Having Counterweight Or Counterbalancing Means Patents (Class 212/195)
  • Patent number: 10350023
    Abstract: The invention relates to a retaining device for an instrument, comprising at least one joint having at least two parts that can be moved relative to each other and at least one drive unit associated with the joint. The drive unit is designed to move the joint by driving at least one of the parts of the joint that can be moved relative to each other. The retaining device also comprises a securing device, which has a locking mechanism associated with the joint and a release unit that can be activated, wherein the locking mechanism interacts with the release unit in such a way that the locking mechanism holds the joint in a locked position as long as the release unit is not activated. The securing device is designed to permit a motion of the joint out of the particular locked position within a specified range of motion even if the release unit is not activated. The invention further relates to a corresponding securing device for a retaining device and to an operating method for said securing device.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: July 16, 2019
    Assignee: SENSODRIVE GMBH
    Inventors: Norbert Sporer, Matthias Haehnle
  • Patent number: 10183848
    Abstract: A lift crane includes a carbody and movable ground engaging members mounted on the carbody. A rotating bed is rotatably connected to the carbody and includes a counterweight support frame including a rack coupled directly to a lower surface of the rotating bed. A boom is pivotally mounted to the rotating bed. A counterweight unit movement device is configured to move the counterweight unit toward and away from the boom. At least one auxiliary member includes a counterweight pad that is configured to not touch the ground during a pick, move, and set operation. A linear actuator is configured to adjust a distance that the counterweight pad is above the ground.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: January 22, 2019
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: Timothy J. Albinger, Jonathan M. Borlee, Derrick L. Geiser, Ingo Noeske, Brian N. Nysse, William J. O'Neil, Brandon D. Resch, David A. Robertson, Joseph R. Rucinski, John W. Taylor, Joel D. Zick
  • Patent number: 10124994
    Abstract: The present invention relates to a ballast apparatus for attaching to the rear of a crane superstructure, in particular of a crawler-mounted crane, having a base plate and a plurality of stackable ballast plates, wherein at least two carrier plates for receiving stacked ballast plates are connected to the base plate in an articulated manner pivotable about vertical pivot axes.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: November 13, 2018
    Assignee: Liebherr-Werk Nenzing GmbH
    Inventor: Richard Torghele
  • Patent number: 10124993
    Abstract: The present disclosure relates to a method for operating a crane with a traversable undercarriage, an uppercarriage rotatably mounted on the same with luffing main boom and derrick boom arranged thereon, wherein an auxiliary crane with telescopic boom as derrick ballast is connected with the crane and via the telescopic boom of the auxiliary crane the derrick ballast radius is adjusted. According to the present disclosure, a suspended ballast is lifted in addition to the auxiliary crane provided as derrick ballast for erecting the main boom, wherein first the auxiliary crane is lifted, before the suspended ballast is lifted, when necessary. The present disclosure also relates to a crane for carrying out the method.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: November 13, 2018
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventor: Hans-Dieter Willim
  • Patent number: 10071888
    Abstract: Systems and methods for preventing improper lifting of tubular members are described, in which sensing devices are used to detect when a tubular reaches a selected position within a lifting device suitable for engagement, and/or to detect when a lifting operation is initiated that would exceed the capacity of a lifting device. Operators are engaged with the tubular member and provided with a preselected force corresponding to the weight of one or more tubular members, such that when the weight of a lifting operation exceeds the preselected force, an audible device may be actuated responsive to sensor output, to immediately alert individuals, such that the improper lifting operation may be halted. Similarly, an audible device may be actuated responsive to sensor output when a tubular member reaches a selected position within the lifting device, such that additional movement may be ceased.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: September 11, 2018
    Assignee: Frank's International, LLC
    Inventor: Mark Guidry
  • Patent number: 9975705
    Abstract: An article transport facility in which the attitude of its support mechanism can be easily corrected to an appropriate attitude. The facility includes an angle sensor configured to detect an angle of a first reference surface of an article supported by a vertically movable member with respect to the horizontal plane, one or more winding mechanisms, one or more second actuators configured to actuate the one or more winding mechanisms, and a controller. Each winding mechanism is configured to selectively take up and feed out a target elongate flexible member. The controller controls one or more second actuators to adjust the angle of the first reference surface to a preset angle with respect to the horizontal plane based on the detected information from the angle sensor.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: May 22, 2018
    Assignee: Daifuku Co., Ltd.
    Inventors: Tomotaka Kinugawa, Yasushi Morikawa
  • Patent number: 9879403
    Abstract: A hydraulic machine includes an undercarriage; a rotating structure rotatably mounted on the undercarriage and configured to rotate with and with respect to the undercarriage; a first controller configured to receive user input and configured; a user interface configured to accept commands from a user and output a command signal to the controller; and a first gyroscope fixed to the rotating structure and electrically connected to the controller and configured to provide a data signal of rotation information of the rotating structure to the controller. An axis of rotation of the gyroscope is parallel to the axis of rotation of the rotating structure. The controller is configured to generate a control signal to control the rotating structure and cause the rotating structure to rotate with respect to the undercarriage based on the command signal from the user interface and the data signal from the first gyroscope.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: January 30, 2018
    Assignee: Parker-Hannifin Corporation
    Inventors: Nicholas N. White, James Howland, Hao Zhang
  • Patent number: 9873572
    Abstract: A lower portion is formed in a vicinity of an end portion of a bottom member of a storage container. A lift member configured to lift parts kept on standby on the lower portion is arranged in a state of being movable up and down along an inner wall of the storage container. A transport unit configured to transport the part, which is lifted and transferred thereto by the lift member, to a target position is arranged, and a position at which the parts are to be transferred to the transport unit is set in a vicinity of an upper position of the lift member.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: January 23, 2018
    Inventor: Shoji Aoyama
  • Patent number: 9850739
    Abstract: A stabber for assisting in the lifting and installation of a cement head assembly onto a bore hole casing includes a support member comprising a first end opposite a second end. A first connection element is disposed proximate the first end of the support member and a second connection element is disposed proximate the second end of the support member. A first weight is mounted to the support member in closer proximity to the second end of the support member than to the first end of the support member. A second weight is connected to the support member between the first and second ends of the support member.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: December 26, 2017
    Inventors: George Pat Ferguson, Warren J. Diamond
  • Patent number: 9850107
    Abstract: A mobile crane includes: a crane main-body having a lower traveling body and an upper swing body; and a counterweight carrier. The counterweight carrier has a wheel, a wheel driving device, and a steering device. At least one of the crane main-body and the counterweight carrier has a controller which causes the steering device to steer the wheel. The controller causes the steering device to steer the wheel by a steering operation which requires a smaller steering amount of the wheel between one steering operation in which the steering device swivels the wheel in one direction to make the orientation of the wheel correspond to the front-back direction of the lower traveling body and another steering operation in which the steering device swivels the wheel in a direction opposite to the one direction to make the orientation of the wheel correspond to the front-back direction.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: December 26, 2017
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventor: Takahiro Iwazawa
  • Patent number: 9702114
    Abstract: A counterweight system for an industrial machine includes a body having a front end and a back end, the body defining a cavity, and a plurality of walls defining a plurality of discrete sections within the body, each discrete section having an aperture for inserting a counterweight into the cavity.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: July 11, 2017
    Assignee: Harnischfeger Technologies, Inc.
    Inventors: Christopher T. Larson, Joseph Colwell, James Hutsick, Daniel Schlegel
  • Patent number: 9341028
    Abstract: Improvements to base beams and self-propelled derrick rigs are described. The base beam can have two or more stabilizer arms which can be deployed. The base beam is also designed to support the derrick rig. An optional counterweight assembly can be connected to the front of the rig. The self-propelled derrick rig can be easily and quickly mounted to the base beam, and when mounted, the assembly will be able to withstand high hook loads and wind loading without the danger of the rig coming off of its wheels or falling over.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: May 17, 2016
    Assignee: Black Hawk Energy Services Ltd.
    Inventors: Stuart Buckingham, Matt J. Michel
  • Patent number: 9102507
    Abstract: The present invention relates to a method of operating a crane having a movable undercarriage and a superstructure rotatably supported thereon with a luffable main boom and derrick boom arranged thereon, wherein an auxiliary crane having a telescopic boom is connected to the crane as derrick ballast and the derrick ballast radius is set via the telescopic boom of the auxiliary crane.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: August 11, 2015
    Assignee: LIEBHERR-WERK EHINGEN GMBH
    Inventor: Hans-Dieter Willim
  • Patent number: 8960460
    Abstract: A counterweight block apparatus includes a pair of interconnecting counterweight blocks having top and bottom surfaces, the counterweight blocks forming a plane of interconnection along adjacent sides thereof; and a shear bar releasably secured between the adjacent sides of the interconnecting counterweight blocks, generally perpendicular to the plane of interconnection, to provide resistance to relative vertical movement of the interconnecting counterweight blocks along the plane of interconnection. In another aspect, each counterweight block includes in at least one side thereof an indentation from a top of the counterweight block to a depth more shallow than the thickness of the counterweight block, the indentation defining a lip for hand grabbing. An aperture may be formed through the rest of the thickness of the counterweigh block at each indentation, wherein a securing strap can be run through each aperture of a stacked plurality of counterweight blocks to secure them to each other.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: February 24, 2015
    Assignee: Manitowoc Crane Companies, LLC
    Inventors: Trevor D. Mentink, William J. O'Neil
  • Patent number: 8960461
    Abstract: Disclosed is a crane comprising: a lower body; an upper slewing body; a counterweight unit including a plurality of wheels to travel on the ground in a turning direction equal to a slewing direction of the upper slewing body while being suspended from the upper slewing body; a steering actuator for rotating each of the wheels around a steering-rotation center axis to change the steering angle; and a steering control device for controlling the steering actuator. The steering control device includes: a slewing-identification-signal receiving section which receives a slewing identification signal for identification of the slewing direction of the upper slewing body; and an actuator operating section operates the steering actuator to orient each of the wheels to the inside of a tangent line to an orbit of the wheel at the steering-rotation center axis, based on the identified slewing direction identified from the slewing identification signal.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: February 24, 2015
    Assignee: Kobelco Cranes Co., Ltd.
    Inventors: Mitsuo Kakeya, Kazuyuki Miyazaki
  • Patent number: 8925964
    Abstract: A ballast assembly for a work vehicle includes a ballast weight having a central groove. Two pairs of coupling pins extend across the central groove. A pair of support rods are attached to an underside of a frame part of the vehicle. The assembly also includes a pair of ballast bracket, each of which is releasably coupled to a corresponding pair of the coupling pins. The assembly also includes a pair of links, each having an end pivotally coupled to a corresponding ballast bracket, and having a body with a slot which slidably receives a corresponding support rod. A hydraulic cylinder has a first end pivotally coupled to one of the links and a second end pivotally coupled to the frame part. Each ballast bracket includes a latch member which releasably holds the ballast bracket to the corresponding pair of coupling pins.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: January 6, 2015
    Assignee: Deere & Company
    Inventors: Steven A. Duppong, Bryan K. Buerkle, Robert David Andrew Wolsky, Lucas Aaron Laudenbach, James Gregory Johnson
  • Publication number: 20140299563
    Abstract: Counterweight fixing device (1) for a crane, which is comparatively easy to install and can also be used in particular for cranes with a derricking jib, in which the derricking jib is rigidly connected to the mast (3), and at the same time provides a safe design without generating a high noise level during operation. The core principle of the design of the counterweight fixing device (1) is that the counterweight blocks (4) are simply suspended on a carrier bar (2), but the generation of noise is kept to a low level due to the suppression of the freedom of movement of the counterweight blocks (4).
    Type: Application
    Filed: November 20, 2012
    Publication date: October 9, 2014
    Applicant: WOLFFKRAN HOLDING AG
    Inventors: Ulrich Dorzbach, Johannes Kleinknecht, Jochen Ziegler
  • Publication number: 20140263144
    Abstract: A portable lifting system includes a moveable base component including a scissors lift assembly, and a crane assembly coupled the movable base component, the crane assembly including a support member and a boom coupled to the support member.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: THE TIMKEN COMPANY
    Inventors: Billy Ray Crain, Wayne E. Wilson, Christopher D. Huskey
  • Publication number: 20140175038
    Abstract: The wind turbine assembly system of the present invention comprises a lifting structure comprising at least first structural support elements configured to transmit stresses to the wind turbine tower during the hoisting of a wind turbine component and a crane configured to displace the wind turbine component towards the tower axis, the system further comprising a displaceable climbing element with respect to the lifting structure by means of guiding mechanisms, the displaceable climbing element incorporating second structural support elements dimensioned to at least partly support the weight of the lifting structure, where the first structural support elements are displaceable so that their relative position can vary with respect to the lifting structure.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 26, 2014
    Applicant: ACCIONA WINDPOWER, S.A.
    Inventors: Teresa ARLABAN GABEIRAS, Jose Miguel GARCIA SAYES, Ivan GARCIA MAESTRE, Alfonso RUIZ ALDAMA, Asier GOMEZ ANDUEZA, Jose Luis ARISTEGUI LANTERO, Ander GASTON LUJAMBIO, Miguel NUNEZ POLO
  • Patent number: 8739989
    Abstract: A counterweight loading and unloading device and a movable crane have a freestanding pallet (10) with two ends whose upper end faces are used for holding a counterweight (61). The two ends of the freestanding pallet (10) are both equipped with a cavity, and at least one telescopic oil cylinder (11, 12, 13, and 14) is provided in the cavity. A fixed end of the telescopic oil cylinder is fixed with the freestanding pallet (10), and a telescopic end of the telescopic oil cylinder is coupled with a pallet lifting mechanism for lifting the freestanding pallet. The device is not limited by a planar space of a vehicle frame and a turntable height of the movable crane. An integral dimension of the movable crane is not increased, thus preventing integral dimension of the movable crane from exceeding a road traveling standard. The structure of the device is more compact, and the telescopic oil cylinder plays a role of the counterweight, thus enabling stress of the turntable to be more reasonable.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: June 3, 2014
    Assignees: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Automobile Manufacture Co., Ltd.
    Inventors: Huimin Liu, Munan Liu, Xin Zhang
  • Publication number: 20140144860
    Abstract: A telescopic tower crane system has several tower layers of different outer diameters. Tower layers of smaller outer diameters are put inside the tower layers of larger outer diameters. Each of the tower layers consists of upstanding tower masts and crossbars connecting in between. The lower end of each of the tower masts has a lifting mechanism. Hoists are combined with the lifting mechanisms to lift the tower layers upward one by one from inside outward. The positioning mechanism at the lower end of each of the tower masts is positioned to the upper end of the adjacent tower mast. The crane tower is thus lifted to an extreme height and can lift heavy or long objects.
    Type: Application
    Filed: November 27, 2012
    Publication date: May 29, 2014
    Applicants: SEA ENERGY TECHNOLOGY CO., LTD.
    Inventors: KUO FANG SHENG, KUO PO HSUAN, KUO CHUNG HSUAN
  • Publication number: 20130334158
    Abstract: An unloading and loading crane arrangement (35) with a boom (37), in particular a projecting boom, for loading and unloading a ship using a gripper (7) attached to the boom, which boom is hingedly connected to an arm (43) via a hinge point, wherein the arm is placed on at least one landside guide (59) and one waterside guide (61), wherein the waterside guide is placed at a higher level than the landside guide. An assembly of two or more such unloading and loading crane arrangements is also described.
    Type: Application
    Filed: February 3, 2012
    Publication date: December 19, 2013
    Applicant: RAADGEVEND INGENIEURSBURO F. KOCH B.V.
    Inventor: Franciscus Koch
  • Patent number: 8550266
    Abstract: A ring derrick includes a carriage which moves on a fixed circular track around a stationary counterweight. A tension and compression column assembled from transportable tubular segments is affixed to the counterweight by a universal swivel joint. The back mast of the derrick is secured at its upper end to the tension column, while the main boom of the derrick extends radially away from the tension column. The main boom and back mast are hinged directly together at the carriage by massive hinge pins which pass through spherical bearings mounted on the carriage. The carriage's suspension distributes the load from the boom and mast to an array of trucks and has an automatic stabilizing system that compensates for uneven track.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: October 8, 2013
    Assignee: Bigge Crane & Rigging Co.
    Inventors: Weston J. Settlemier, Vaughn L. Hersey
  • Patent number: 8523226
    Abstract: Disclosed is a counterweight which is filled with a heavy-weight concrete containing, instead of currently used iron ores, a heavy-weight aggregate that scarcely causes the material segregation from cement paste and which can be produced at a low cost and is effectively enhanced in the filling factor of heavy-weight concrete into a case. A counterweight 6 comprises a case 62 and heavy-weight concrete filled therein, wherein the heavy-weight concrete contains a heavy-weight fine aggregate containing 20 mass % or more of aggregate particles having particle diameters of less than 0.15 mm and 20 mass % or more of aggregate particles having particle diameters of 2.5 mm to less than 5 mm.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: September 3, 2013
    Assignee: Komatsu Ltd.
    Inventors: Minoru Yoshimoto, Yasuhide Higo, Eichi Manabe, Wataru Kataoka, Kazuya Kuriyama
  • Patent number: 8511489
    Abstract: A mobile lift crane includes a carbody; a rotating bed; a boom; a moveable counterweight unit; at least one linear actuation device; and at least one arm pivotally connected at a first end to the rotating bed and at a second end to the linear actuation device. The arm and linear actuation device are connected between the rotating bed and the counterweight unit such that extension and retraction of the linear actuation device changes the position of the counterweight unit compared to the rotating bed.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: August 20, 2013
    Assignee: Manitowoc Cranes, LLC
    Inventors: David J. Pech, Kenneth J. Porubcansky, John M. Lanning
  • Patent number: 8430427
    Abstract: An improved counterweight apparatus for vehicles includes a counterweight support structure, a set of separately installable and removable counterweights and a retaining plate. Each counterweight is shaped to be received by the counterweight support structure and each counterweight has at least one retaining plate surface. The retaining plate is retained adjacent to the counterweight support structure and can be moved between a retracted position and an advanced position. The retaining plate has a first surface located to register with the retaining plate surface of each counterweight. When a counterweight is placed in the counterweight support structure and the retaining plate is moved to the advanced position, the first surface of the retaining plate engages the retaining plate surface of the counterweight to secure the counterweight support structure. A counterweight can be removed from the counterweight support structure if the retaining plate is moved to the retracted position.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: April 30, 2013
    Assignee: Excel Industries, Inc.
    Inventors: Thomas J. Gaeddert, Derek Jordan Christophel
  • Patent number: 8403486
    Abstract: A telescopically extendible camera crane arm includes a second section telescopically movable within a first section. A first actuator extends the second section and a second actuator retracts the second section. A control valve has first and second ports connected to provide pressurized fluid to the first and second actuators. An inlet port of the control valve is connected to a pressurized fluid source, such as a pump or accumulator of a hydraulic system. The control valve has extend, off, and retract positions. The control valve provides a threshold amount of fluid pressure to the first and second actuators when in the off position, and provides a greater than the threshold amount of fluid pressure to the first and second actuators, when in the extend or retract positions.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: March 26, 2013
    Inventor: Leonard T. Chapman
  • Publication number: 20130001182
    Abstract: The present invention relates to a method of operating a crane having a movable undercarriage and a superstructure rotatably supported thereon with a luffable main boom and derrick boom arranged thereon, wherein an auxiliary crane having a telescopic boom is connected to the crane as derrick ballast and the derrick ballast radius is set via the telescopic boom of the auxiliary crane.
    Type: Application
    Filed: June 28, 2012
    Publication date: January 3, 2013
    Applicant: Liebherr-Werk Ehingen GmbH
    Inventor: Hans-Dieter Willim
  • Patent number: 8201849
    Abstract: A balancing system for an agricultural vehicle includes a balance weight which has take-up pins at its sides. The pins are oriented coaxially to a common pivot axis so that the balancing weight can be taken up by the lower links of a three point implement hitch. When the balance weight has been taken up, it can be moved from a position of the center of gravity (S) of the balance weight close to the vehicle to a position distant from the vehicle. In order to attain a balance as optimal as possible, the position of the center of gravity of the balance weight in its position close to the vehicle is located below the pivot axis. Pivoting devices are provided so that the balance weight can be pivoted about the pivot axis so that it can also be brought from a position close to the vehicle to a position distant from the vehicle, where the balance weight occupies a lower position of the center of gravity in the position close to the vehicle than in the position distant from the vehicle.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: June 19, 2012
    Assignee: Deere & Company
    Inventors: Wolfgang Bauer, Paul R. Smith
  • Patent number: 8172497
    Abstract: An apparatus for pivoting a boom relative to a frame of a pipe handling system between a first position and a second position has a hydraulic actuator assembly connected to the boom and to the skid, and a pneumatic spring connected to the boom and to the skid. The pneumatic spring has a cylinder with an end pivotally connected to the boom, and a piston with an end pivotally connected to the skid. The hydraulic actuator assembly has a cylinder pivotally connected to the skid, and a piston with an end pivotally connected to the boom. The pneumatic spring urges the boom from the first position toward the second position while resisting movement of the boom from the second position toward the second position.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: May 8, 2012
    Assignee: T & T Engineering Services
    Inventors: Keith J. Orgeron, Axel M. Sigmar
  • Patent number: 8100227
    Abstract: A portable worker safety frame provides many of the benefits of a loading dock while enhancing worker safety. In one implementation, the safety frame provides a walking surface of adjustable height that may be placed adjacent to an arbitrary work surface of a transportation vehicle. The safety frame can provide a walking platform that has a similar length as the cargo bed itself, yet is portable by such conventional means as the forks of a lift truck. The portable worker safety frame also provides an overhead safety rail to which each worker may attach a safety harness cord.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: January 24, 2012
    Assignee: Jim-N-I, Inc.
    Inventor: Patrick Southworth
  • Patent number: 8083458
    Abstract: A hoist system hoists a flat screen television or a heavy object in a room for attachment to a wall mounted attachment fixture. The hoist system has a wheel-supported base, and a central pillar with a raising and lowering element. The central pillar has a counter weight projection arm with a plurality of notches for carrying a counterbalance weight. A projection arm extends from the movable element in the direction opposite to the counterbalance weight arm with a downward pointing extension that carries a plurality of adjustable L-shaped brackets. The hoist system is brought close to a television or heavy weight at ground level and the L-shaped brackets are inserted therebelow. Weight balance is checked and a counterweight is placed on an appropriate notch in the counterbalance weight arm. The flat screen television or heavy object is then lifted to the correct height for wall attachment.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: December 27, 2011
    Inventor: Susan J. Wilkie
  • Publication number: 20110084043
    Abstract: The within invention relates to a crane with a boom slewable in a vertical pivoting plane and a bracing boom arrangement, particularly a derrick boom arrangement in which a luffing cable is arranged between the boom and the bracing boom arrangement, in which the luffing cable has at least two guying cables that run from two guying points arranged on the opposite side of the pivoting plane, which cables belong to the bracing cable arrangement, to the boom, in which the two guying cables are each movable by means of a winch and in which a mechanical coupling is provided between the two winches by means of which the movement of the two winches can be force coupled.
    Type: Application
    Filed: October 7, 2010
    Publication date: April 14, 2011
    Applicant: Liebherr-Werk Ehingen GmbH
    Inventor: Hans-Dieter Willim
  • Publication number: 20110017695
    Abstract: A jack-up offshore platform, on which is provided a lifting crane for lifting a load, which lifting crane includes structure connectable to the platform for counterbalancing the load. The counterbalancing structure may include at least one counterbalancing cable for operably connecting to the platform. A lifting crane provided with counterbalancing structure connectable to a jack-up offshore platform, and to a method of repositioning a load from a platform.
    Type: Application
    Filed: July 29, 2010
    Publication date: January 27, 2011
    Applicant: GeoSea N.V.
    Inventors: Luc VANDENBULCKE, Koen Vanderbeke
  • Publication number: 20100307999
    Abstract: The invention relates to a method and device for changing the position of large-area glass plates which are stationary or moving, having the following features: one or more devices located on a level plane, each having a plurality of suction devices (12), are connected to the glass plates (10) to be re-positioned by means of a vacuum, b) the devices are connected to a lifting column (4) in a rotatable and pivotable manner, c) the devices can travel horizontally in the gripping area of the glass plates (10), d) the lifting column (4) has a counterweight (5) supplied with compressed air to compensate for the moving weight of the devices, e) the suction device (12) disk caps are spring-loaded in their holders, can be tilted in every direction, and are provided with a filter element (27), a controllable vacuum can be applied to each of the suction devices (12) individually, with a computer program as the controller.
    Type: Application
    Filed: January 27, 2009
    Publication date: December 9, 2010
    Inventor: Roland Franz
  • Publication number: 20100264105
    Abstract: A ring derrick includes a carriage which moves on a fixed circular track around a stationary counterweight. A tension and compression column assembled from transportable tubular segments is affixed to the counterweight by a universal swivel joint. The back mast of the derrick is secured at its upper end to the tension column, while the main boom of the derrick extends radially away from the tension column. The main boom and back mast are hinged directly together at the carriage by massive hinge pins which pass through spherical bearings mounted on the carriage. The carriage's suspension distributes the load from the boom and mast to an array of trucks and has an automatic stabilizing system that compensates for uneven track.
    Type: Application
    Filed: April 16, 2010
    Publication date: October 21, 2010
    Applicant: BIGGE CRANE & RIGGING CO.
    Inventors: Weston J. Settlemier, Vaughn Hersey
  • Publication number: 20100224583
    Abstract: A counterweight block apparatus includes a pair of interconnecting counterweight blocks having top and bottom surfaces, the counterweight blocks forming a plane of interconnection along adjacent sides thereof; and a shear bar releasably secured between the adjacent sides of the interconnecting counterweight blocks, generally perpendicular to the plane of interconnection, to provide resistance to relative vertical movement of the interconnecting counterweight blocks along the plane of interconnection. In another aspect, each counterweight block includes in at least one side thereof an indentation from a top of the counterweight block to a depth more shallow than the thickness of the counterweight block, the indentation defining a lip for hand grabbing. An aperture may be formed through the rest of the thickness of the counterweigh block at each indentation, wherein a securing strap can be run through each aperture of a stacked plurality of counterweight blocks to secure them to each other.
    Type: Application
    Filed: March 5, 2010
    Publication date: September 9, 2010
    Inventors: Trevor D. Mentink, William J. O'Neil
  • Publication number: 20100193457
    Abstract: An articulated jib for moving a load is supported on a base and comprises a first jib arm pivotably connected to a base. The first jib arm functions as a bascule and is pivotable about a first axis. There is a first counterweight disposed on the first jib arm. A second jib arm is pivotably connected to the first jib arm and is pivotable about a second axis. A linking rod connects the second jib arm to a lever arm which is also pivotably connected to the base. There is a second counterweight disposed on the lever arm.
    Type: Application
    Filed: January 30, 2009
    Publication date: August 5, 2010
    Inventor: Randy Rotheisler
  • Publication number: 20100116766
    Abstract: A mobile lift crane includes a central crane unit, a boom unit and a counterweight unit. The central crane unit has a carbody, moveable ground engaging members and a rotating bed mounted to the ground engaging members with a rotatable connection such that the rotating bed can swing with respect to the ground engaging members. The boom unit has a support member, at least one moveable ground engaging member, and a boom pivotally mounted on the support member. The counterweight unit has counterweight on a support member. Rigging connects the boom and counterweight unit such that a load lifted by the boom can be counterbalanced by the counterweight. The boom unit and counterweight unit are connected to the central crane unit by structural members that carry compressive loads and maintain the boom unit, the rotating bed and the counterweight unit in lateral alignment with each other, but allow relative vertical movement between the boom unit, the rotating bed and the counterweight unit.
    Type: Application
    Filed: November 11, 2008
    Publication date: May 13, 2010
    Inventor: David J. Pech
  • Patent number: 7658293
    Abstract: A counterweight installation device includes: a weight support unit provided on a rear end of a body frame of a construction machine; a weight mounting unit disposed on a counterweight; a pin member for mounting the counterweight adapted to move between a first position at which the weight mounting unit is mounted on the weight support unit and a second position at which the weight mounting unit is dismounted from the weight support unit; and a rod device, one end of which is linked with the pin member and an other end of which extends so as to project to an outside of the counterweight, adapted to move the pin member between the first position and the second position by operation at the other end thereof.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: February 9, 2010
    Assignee: Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd.
    Inventors: Kazunori Yamamoto, Koji Yamagata, Yoshimasa Sugiura
  • Publication number: 20090289495
    Abstract: The object of the invention is to reduce the amount of investment required for the usage-optimized configuration and installation of large cranes. This object is achieved by a large mobile crane having an undercarriage, a drive unit (16), a revolving superstructure (18), one or more control stations (17), at least two jibs (3), at least one counter-jib (4), at least two lifting arrangements (22) and counterwvejghts arranged separately or on the basic structure, characterized in that the load-bearing parts of the crane (3, 4, 20) and the mobility-specific parts (5, 6, 7) are of modular design and can be supplemented by exchangeable and/or supplementary parts, wherein the structural units (modules) used essentially correspond, or are similar, to existing standard-crane components, and an increase in load-bearing capacity can be achieved by arranging a number of these in the large crane.
    Type: Application
    Filed: October 12, 2006
    Publication date: November 26, 2009
    Applicant: Terex-Demag GmbH & LG
    Inventors: Rüdiger Zollondz, Alfons Weckbecker, Fritz-Botho Köster, Günter Karp, Hans-Peter Franzen
  • Patent number: 7611021
    Abstract: The present invention relates to a crane vehicle having a base plate fastenable to its undercarriage to receive ballast and two hoisting means vertically fastened to the part of the superstructure projecting outwardly in the opposite direction to the boom, said hoisting means having first load receiving points which can be moved into cut-outs of connection rods arranged at the base plate and engage there into matched recesses, wherein in accordance with the invention both hoisting means are extended beyond the first load receiving points and are provided at their extended ends with second load receiving points which engage into corresponding shape-matched recesses of the connection rods.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: November 3, 2009
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventor: Hans-Dieter Willim
  • Publication number: 20090159548
    Abstract: An overhead crane adapted to be supported by at least one main support beam includes a bridge adapted to travel in a substantially horizontal direction along the at least one main support beam, a trolley adapted to travel in a substantially horizontal direction along the bridge, a jib rotatably coupled to a bottom surface of the trolley, and a hoist adapted to travel in a substantially horizontal direction along the jib.
    Type: Application
    Filed: July 21, 2005
    Publication date: June 25, 2009
    Inventor: Steven K. Waisanen
  • Publication number: 20090152226
    Abstract: The present disclosure relates to a lifting assembly such as a jib crane or similar apparatus having an articulated arm assembly and a flexible means for connecting a load to an actuator. The lift arm assembly forms an articulated cantilever boom, which is extensible so as to traverse a suspended load within a work cell area. The lift arm assembly further includes a first and second member pivotally connected to one another whereby an inclined plane (e.g., a cam) at the pivot point of the articulating arms provides a vertical displacement of the secondary arms thereby moving the distal end of the secondary arm to counterbalance inherent forces acting thereon.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 18, 2009
    Applicant: Gorbel, Inc.
    Inventor: James M. Alday
  • Patent number: 7533779
    Abstract: The present invention relates to a lattice mast crane having a traveling gear, a swiveling crown arranged on the traveling gear and a revolving deck which is rotatable via the swiveling crown and on which a main boom and a derrick boom are arranged and having a ballast box, with the revolving deck being mounted on the swiveling crown via a spacer tube and with the guide frame forming the track of the derrick ballast projecting outwardly beyond the ballast box.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: May 19, 2009
    Assignee: Liebherr-Werk Ehingen
    Inventor: Hans-Dieter Willim
  • Patent number: 7467722
    Abstract: An adjustable counterweight for use on construction vehicles that includes a body having a first section, a central section adjacent to the first section and a second section adjacent to the central section, wherein the first section and the second section each define a cavity therein. At least one weight plate, preferably a plurality of weight plates, is mounted in a predetermined position within each of the cavities and secured to the body of the counterweight. Each weight plate is shaped to fit the contour of each cavity, such that the amount of weight contained within each cavity is maximized.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: December 23, 2008
    Inventor: John R. Ramun
  • Publication number: 20080295756
    Abstract: Vessel including a hull of a substantially closed surface has at deck level a lifting crane, ballast tanks within the hull and a ballast control unit for admitting water to the ballast tanks for changing the draft of the vessel. The hull has a narrow lower section having first width over a height from keel level to a widening level, and a top section having a larger width than the lower section, extending from the widening level upwards towards deck level. The control unit is adapted to ballast the vessel to have a relatively shallow draft level in a transit mode, so that the wide top section is above water level, while the vessel is traveling, and to ballast the vessel to a relatively deep draft level in a lifting mode so that the widening level is below water level, at least when the vessel is substantially stationary and the crane is in its lifting position.
    Type: Application
    Filed: December 14, 2006
    Publication date: December 4, 2008
    Applicants: GUSTO B.V.
    Inventors: Willem Jacob van der Velde, Willem Johannes Alain Wassink, Johan Albert Commandeur
  • Publication number: 20080173606
    Abstract: The present invention relates to a crane vehicle having a base plate fastenable to its undercarriage to receive ballast and two hoisting means vertically fastened to the part of the superstructure projecting outwardly in the opposite direction to the boom, said hoisting means having first load receiving points which can be moved into cut-outs of connection rods arranged at the base plate and engage there into matched recesses, wherein in accordance with the invention both hoisting means are extended beyond the first load receiving points and are provided at their extended ends with second load receiving points which engage into corresponding shape-matched recesses of the connection rods.
    Type: Application
    Filed: December 26, 2007
    Publication date: July 24, 2008
    Inventor: Hans-Dieter Willim
  • Patent number: 7389888
    Abstract: The present disclosure relates to a mobile crane comprising an undercarriage and a superstructure arranged in a revolving manner thereon with a device for the reception of ballast. In accordance with the present disclosure, the device for the reception of ballast comprising at least three pulling means which can be moved up and down vertically and which can be connected to a pallet or base plate carrying the ballast and located beneath the total center of gravity of the ballast to pull the pallet or base plate toward the superstructure and to connect it to it or to let it down from it.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: June 24, 2008
    Assignee: Liebherr Werk Ehingen GmbH
    Inventor: Hans-Dieter Willim
  • Publication number: 20080053944
    Abstract: An adjustable counterweight for use on construction vehicles that includes a body having a first section, a central section adjacent to the first section and a second section adjacent to the central section, wherein the first section and the second section each define a cavity therein. At least one weight plate, preferably a plurality of weight plates, is mounted in a predetermined position within each of the cavities and secured to the body of the counterweight. Each weight plate is shaped to fit the contour of each cavity, such that the amount of weight contained within each cavity is maximized.
    Type: Application
    Filed: August 31, 2006
    Publication date: March 6, 2008
    Inventor: John R. Ramun