Abstract: A work arm of a work machine includes a box-shaped structure including multiple plate members, a pair of bosses attached to opposing plate members, and a cylindrical boss coupling member coupling the pair of bosses together. Each boss includes a boss body section having a pin insertion hole through which a coupling pin is inserted and extending in an arrangement direction of the plate members, and a flange section extending outward from an outer circumferential portion of the boss body section and joined to a corresponding one of the plate members via a first weld. The boss body section includes a cylindrical outer body portion on an outer surface side of the box-shaped structure and a cylindrical inner body portion on an inner surface side of the box-shaped structure. The boss coupling member is joined, at both axial ends thereof, to respective ends of the inner body portions via second welds.

Abstract: A working machine having a base assembly including a ground engaging structure; an undercarriage connected to the ground engaging structure; a superstructure connected to the undercarriage; a working arm mounted to the superstructure; a connector connecting the undercarriage to the superstructure; and a drive arrangement located in the base assembly for moving the ground engaging structure to propel, in use, the working machine.

Abstract: An arm assembly for a working vehicle, the arm assembly including a material handling implement and an arm including a single plate.

Abstract: Systems, methods, non-transitory computer readable media can be configured to accessing a target sensor log corresponding to a first machine; accessing one or more prior sensor logs corresponding to the first machine and one or more prior sensor logs corresponding to a plurality of second machines which are of the same type as the first machine; accessing a plurality of computer readable logs corresponding to the first machine and the second machines, the computer readable logs for each second machine comprising a maintenance log comprising a plurality of maintenance task objects, each maintenance task object comprising a time and a maintenance task type; determining a set of statistical metrics characterising a difference between the target sensor log and each prior sensor log; selecting a sub-set of the prior sensor logs in dependence upon the statistical metrics; analysing the maintenance logs to correlate each prior sensor log included in the subset to one or more correlated maintenance tasks; selecting a

Abstract: An arm for a construction machine, including an arm top formed by casting, being easily produced with high dimensional accuracy. The arm includes an arm body and an arm top. The arm top is formed of left and right arm top pieces individually formed by casting and joined together. The left and right arm top pieces include first left and right bosses constituting a first connection section, second left and right bosses constituting a second connection portion, and left and right projecting wall portions constituting a connection wall connecting the first and second connection portions to each other, respectively. The left and right arm top pieces are joined together by welding at respective opposing surfaces of the first left and right bosses, those of the second left and right bosses and those of the left and right projecting wall portions, thereby forming the arm top.

Abstract: A signaling system comprises a user device, and a personal computing device separate from the user device and configured to inform a user about the user device based on information received by the personal computing device from a remote server. In accordance with the present invention, the user device has an indicator to alert the user to use the personal computing device to get information relating to the user device.

Abstract: Aspects of the present disclosure relate to display structures for displaying the wear status of reducing elements (e.g., chisels, teeth, etc.) on a reducing component. In certain examples, the display structure can include a matrix that visually depicts all of the reducing elements of the reducing component in a row and column format. The wear status of the reducing elements can be indicated by techniques such as different colors, different numbers, different letters, shapes, bar codes etc. Another aspect of the present disclosure relates to an autonomous system where a remote party can simultaneously monitor the wear status of the reducing elements of multiple machines on the display structure. For each machine, the remote party (e.g., operator, supply source, supervisor, and main office) can each receive a wireless signal indicating when the reducing elements are approaching a need for replacement.

Abstract: A mining shovel with compositional sensors comprises a bucket having various inward looking sensors positioned throughout the bucket. The bucket can also have disposed thereon a control enclosure that houses processing equipment that receives and analyzes the data collected by the inward looking sensors. The mining shovel with compositional sensors can be used as part of a system to manage a mining field, including generating and transmitting instructions directing where to deposit material located in the bucket based on the data collected from the inward looking sensors positioned in the bucket.

Abstract: Embodiments of the invention are directed a data communication system and method for a fleet management system configured to assist with monitoring and managing a fleet of one or more powered machines and one or more human operators.

Abstract: An undercarriage frame is supported by driven tracks. An upper frame is pivotally connected to the carriage frame for pivotal movement about a vertical axis. Left and right booms are attached to the carriage frame for pivotal movement about a horizontal axis. The operator's enclosure is mounted on the carriage frame between rear boom portions. Front portions of the booms are offset toward each other to enter a trench. A forked stick includes a tube coaxial with a stick pivot axis. A stick tine is attached to each end of the tube. A stick portion fixed to the tube between the tines extends away from the tines. Left and right trunnions with center passages are journaled in boom bores and received in the tube. A stick shaft passes through the central passages and fix the trunnions to the tube. Stick and boom cylinders pivot the booms and the stick.

Abstract: A database management system may be operated by a third-party provider that hosts the system in a datacenter and provides access to the system to end users on behalf of various entities. Limits on total capacity consumption may be imposed, but may result in service outages when capacity consumption exceeds those limits. Requests to perform operations on the system may be classified. The request classifications may be associated with policies for admitting or rejecting the request. One or more token buckets representative of capacity available to the request to perform the operation may be used to determine to admit the request and updated based on the cost of performing the operation.

Abstract: A ditch digger for removing earth from the ground to dig a ditch, the ditch digger comprising: a body; a substantially elongated blade mounted to the body, the blade defining a blade front end and a substantially longitudinally opposed blade rear end, the blade defining a blade bottom section and a pair of laterally opposed blade side sections extending generally upwardly therefrom. When the ditch digger is in an operational configuration, the blade bottom section is lower adjacent the blade front end than adjacent the blade rear end. Moving the ditch digger along the ground with the blade front end inserted in the ground and the blade rear end provided above the ground removes the earth from the ground to dig the ditch.

Abstract: A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails.

Abstract: A working machine swing control system is provided with an actual rotation speed sensor and a controller. The actual rotation speed sensor senses an actual rotation speed of a swing motor. The controller controls a drive torque of a drive unit, which drives the swing motor, such that a difference between a target rotation speed outputted from a swing control device and the actual rotation speed outputted from the actual rotation speed sensor is reduced to zero. The swing control system includes a correction device for correcting the target rotation speed outputted from the swing control device according to a work posture of working equipment and a work load on the working equipment.

Abstract: A method of optimizing machine performance in a plurality of load cases may involve the steps of: Determining a maximum load case for the machine, the maximum load case involving the application of a maximum force to at least one member of the machine; determining, for each of a plurality of member joints of the machine, a maximum member joint load for the maximum load case for the machine; and operating the machine by applying a force to the at least one member of the machine in each of the plurality of load cases so as not to exceed the maximum member joint load, the applied force exceeding the maximum force during at least one of the plurality of load cases.

Abstract: A shovel includes an engine; a hydraulic pump driven by the engine; an attachment including a boom, the attachment being driven with hydraulic fluid discharged by the hydraulic pump; a motor generator configured to assist driving by the engine; an electric power accumulating part configured to accumulate electric power generated by the motor generator; a motion state detecting part configured to detect the motion state of the attachment; and an assist control part configured to control the execution of an assist by the motor generator using the electric power accumulated in the electric power accumulating part. The assist control part is configured to cause the motor generator to assist the engine during a boom raising motion after an excavation motion.

Abstract: Provided is a method and a system for preemptively determining a load weight for mining excavation equipment. Specifically, provided is a method in which an excavation surface is scanned to generate an excavation surface profile, an excavation plan is selected for the excavation surface profile, the excavation plan for the excavation surface profile is executed on the excavation surface utilizing a pre-emptive load weighing algorithm based on a plurality of drive signals of the mining excavation equipment, and a volume of a material to be excavated by the mining excavation equipment is determined based at least on the plurality of drive signals, the plurality of derivatives of drive signals, and the excavation surface profile.

Abstract: An excavator bucket including containment portion and associated attachment means in order to attach the bucket to a piece of earthmoving equipment, the containment portion defined by a base wall, an opposed top wall, and a pair of opposed sidewalls located between the base wall and top wall, each of these walls having a forward edge together defining an opening to the containment portion, and a rear wall wherein the base wall, top wall and each side wall taper rearwardly to the rear wall.

Abstract: A simulation system for a machine is disclosed. The simulation system has a user interface configured to display a simulated environment, and a controller in communication with the user interface. The controller is configured to receive historical information related to performance of a machine, and recreate a past operation of the machine from the received historical information. The controller is also configured to provide to the user interface the recreated past operation for display in the simulated environment.

Abstract: A ditch digger for removing earth from the ground to dig a ditch, the ditch digger comprising: a body; a substantially elongated blade mounted to the body, the blade defining a blade front end and a substantially longitudinally opposed blade rear end, the blade defining a blade bottom section and a pair of laterally opposed blade side sections extending generally upwardly therefrom. When the ditch digger is in an operational configuration, the blade bottom section is lower adjacent the blade front end than adjacent the blade rear end. Moving the ditch digger along the ground with the blade front end inserted in the ground and the blade rear end provided above the ground removes the earth from the ground to dig the ditch.

Abstract: Certain exemplary embodiments can include obtaining and analyzing data from at least one discrete machine, automatically determining relationships related to the data, taking corrective action to improve machine operation and/or maintenance, automatically and heuristically predicting a failure associated with the machine and/or recommending preventative maintenance in advance of the failure, and/or automating and analyzing mining shovels, etc.

Abstract: A machine bucket may include a wrapper. The wrapper may form a portion of a receptacle for holding material. The wrapper may include a curved upper portion defining an arc. The curved upper portion may have a central angle value (?U) of between approximately 129.5° and 130.5°. The wrapper may also include a curved lower portion defining an arc. The curved lower portion may have a central angle value (?L) of between approximately 29.5° and 30.5°.

Abstract: A data acquisition system for an excavation machine having a power source configured to drive a tool through a work cycle is disclosed. The data acquisition system may have a first sensor associated with the power source to generate a first signal indicative of a performance of the power source, and a second sensor associated with the tool to generate a second signal indicative of a performance of the tool. The data acquisition system may also have a controller in communication with the first and second sensors. The controller may be configured to record the first and second signals, and partition the work cycle into a plurality of segments. The controller may be further configured to link the performance of the power source and the performance of the tool together with one of the plurality of segments during which the associated first and second signals were recorded.

Abstract: Disclosed is a multi-configurable bucket for screening material comprising a blade having a bottom edge, a top edge and a connector therebetween for securing to a distal end of the arm of a earth moving equipment. The bucket has a bottom screen having front and rear edges being rotatable about the top edge of the blade section. The bottom screen is positionable so as to extend angled away from the bottom edge of the blade. The bucket further comprises a front screen rotatable relative to the bottom screen having a main screen portion and an angled end screen portion. The front screen is positionable to a closed position proximate the front edge of the bottom screen such that the front edge of the bottom screen extends past the angled bottom portion of the front screen.

Abstract: A resilient excavation bucket for use with a piece of machinery having an articulated arm. The excavation bucket comprises a resilient member and a rigid member. The resilient member has a digging edge adapted to deflect in response to pressure from impact with a material at least as rigid as the digging edge and to return to a substantially non-deflected condition upon release of the pressure. The rigid member is cooperatively associated with the resilient member and has a connection member adapted to pivotally engage a portion of the articulated arm of the piece of machinery. At least one of the resilient member and the rigid member at least partially defines a bucket cavity disposed at least partially between the digging edge and the connection member. Additionally, an excavation apparatus comprising a backhoe having an articulated arm and the resilient excavation bucket operatively associated with the articulated arm.

Abstract: A single pointed ripper bucket excavation tool (SPRB) for use mounted to an arm of an excavation machine has a body mounted for rotation from the arm and a pair of generally flat, side plates mounted to the body and narrowing from a first width in a region of the body to a second, relatively smaller width at a tip region spaced from the body. A single ripper tooth is mounted in the tip region of the ripper bucket. One or more plates are mounted to span a region between the side plates, rearward of the ripper tooth in a direction of ripping motion, to define, with the side plates, a ripper bucket volume for receiving material ripped from the substrate during ripping motion.

Abstract: A control system for use with an excavation machine is disclosed. The control system may have a boom member, a linear actuator connected to pivot the boom member in a first direction, a rotary actuator connected to swing the boom member in a second direction substantially orthogonal to the first direction, and an operator input device configured to generate a command signal indicative of a desired movement of the boom member. The control system may also have a tilt sensor configured to detect an inclination of the excavation machine, and a controller in communication with the rotary actuator, the operator input device, and the tilt sensor. The controller may be configured to receive a swing end stop for the boom member, to control the rotary actuator to move the boom member based on the command signal, and to modify the command signal to inhibit movement of the boom member past the swing end stop based on the detected inclination of the excavation machine.

Abstract: A resilient excavation bucket for use with a piece of machinery having an articulated arm. The excavation bucket comprises a resilient member and a rigid member. The resilient member has a digging edge adapted to deflect in response to pressure from impact with a material at least as rigid as the digging edge and to return to a substantially non-deflected condition upon release of the pressure. The rigid member is cooperatively associated with the resilient member and has a connection member adapted to pivotally engage a portion of the articulated arm of the piece of machinery. At least one of the resilient member and the rigid connection member at least partially defines a bucket cavity disposed at least partially between the digging edge and the connection member. Additionally, an excavation apparatus comprising a backhoe having an articulated arm and the resilient excavation bucket operatively associated with the articulated arm.

Abstract: Handrail mounts are provided in a bottom portion of a cast upper frame, and lower ends of side supports of a handrail are attached to the above handrail mounts. A base plate for attaching a floor plate is hanged and fixed between the side supports at a higher position than the attachment position, and a front end part of the floor plate is attached to the above base plate.

Abstract: A one-pass bucket includes a top wall, a bottom wall, a rear wall and a pair of side walls diverging forwardly from the rear wall to an open front end of the bucket, wherein the curved end walls extend convexly from the bottom wall to the top of the end wall at a forward edge thereof, and extending substantially diagonally upwardly from the bottom at a rearward edge so that the forward edge of the curved end wall curves upwardly towards the plane of the top wall so as to intersect the plane of the top wall non-tangentially and the rearward edge extends diagonally to intersect the plane of the top wall whereby a round bottom ditch is formed by rotating one of the curved end walls down and dragging that curved end wall through the soil longitudinally of the proposed ditch in a single pass.

Abstract: Another embodiment of the invention relates to a vehicle. The vehicle includes a chassis supported by a plurality of wheels; an electronically controlled load handler supported by the chassis; a first transceiver located on the vehicle and configured to receive control signals configured to control the load handler; and a second transceiver located on the vehicle and coupled to the load handler. The first and second transceivers are configured transmit signals there between wirelessly and the second is further configured to transmit signals representative of the control signals to the load handler.

Abstract: A resilient excavation bucket for use with a piece of machinery having an articulated arm. The excavation bucket comprises a resilient member and a rigid member. The resilient member has a digging edge adapted to deflect in response to pressure from impact with a material at least as rigid as the digging edge and to return to a substantially non-deflected condition upon release of the pressure. The rigid member is cooperatively associated with the resilient member and has a connection member adapted to pivotally engage a portion of the articulated arm of the piece of machinery. At least one of the resilient member and the rigid connection member at least partially defines a bucket cavity disposed at least partially between the digging edge and the connection member. Additionally, an excavation apparatus comprising a backhoe having an articulated arm and the resilient excavation bucket operatively associated with the articulated arm.

Abstract: There is provided a telescoping boom system for an excavating apparatus which includes a linkage member having a pivot segment and lever segment pivoted about a rotating fixed boom. A first hydraulic cylinder is coupled from the fixed boom to the pivot segment. A second hydraulic cylinder is coupled from the lever segment to a retractable outer boom. The first hydraulic cylinder extends to rotate the pivot segment away from a proximate end of the fixed boom, thus forcing the lever segment to rotate towards the proximate end of the fixed boom. The second hydraulic cylinder retracts and combines with the extension force of the first hydraulic cylinder across the linkage member to provide a retraction force to the outer boom.

Abstract: An attachment system to fasten a power system to a frame of a loader is discussed. The frame has a proximal end, a distal end, and first and second opposing sides. The power system has an engine, and an arrangement of one or more hydraulic pumps attached to the engine. The attachment system has first and second connection points positioned in close proximity to a center of gravity of the power system relative to the direction between the proximal and distal ends of the loader. The attachment system also has a third connection point positioned distally from the first and second connection points, wherein the positions of the first, second and third connection points connect the power system to the frame to allow most of the weight of the power system to be loaded onto the first and second connection points.

Abstract: The invention relates to a soil stripping device, in particular a trench wall grab, comprising a base body, which can be connected to a carrier implement, a work unit, on which soil working tools are arranged and which is supported on the base body in a rotatable manner by means of a bearing device, and a rotary device for rotating the work unit with respect to the base body. The rotary device has at least one linear drive and a rope or chain transmission, through which a linear movement generated by the linear drive can be translated into a rotating movement.

Abstract: An excavation tool having a lever with an end adapted for receiving force from a user's foot, an excavation head mounted to the other end of the lever, and a fulcrum mounted on the lever at the upper end of the excavation head for resting against the soil surface. The excavation tool may also have an excavation head for insertion into the soil with an upper end adapted for receiving a user's foot along the centerline of the excavation head, and a lever fixedly mounted to the excavation head, having an end adapted for receiving force from a user's foot. The excavation tool may have an opening above the upper end of the excavation head for receiving a user's foot on the upper end of the excavation head along the centerline of the excavation head. A fulcrum may be mounted on the lever at the upper end of the excavation head for resting against the soil surface.

Abstract: An operator display system for a material handling vehicle, the material handing vehicle having a material handling device comprising an arm and a material handling implement mounted on the arm, the operator display system being operable to receive input information comprising information relating to the orientation of the arm and of the material handling implement and calculate the position of the material handling implement, the operator display system further having a head-up display, the operator display system being operable to generate an output in accordance with the input information and display the output on the head-up display.

Abstract: The invention is directed to an articulated joint between the back boom and the main boom of a multiple boom for an excavator so that it: permits a sufficiently wide angle of movement between both parts of the boom, permits maximum boom reach, and is in a position to accept high forces, all while also providing a cost-saving design.

Abstract: A control system for a machine operating at a excavation site is disclosed. The control system may have a positioning device configured to determine a position of the machine, and a controller in communication with the positioning device. The controller may be configured to receive information regarding a predetermined task for the machine, receive the machine's position, and receive a location of an obstacle at the excavation site. The control system may also be configured to recommend placement of the machine to accomplish the predetermined task based on the received machine position and obstacle location.

Abstract: Apparatus for moving associated material which includes a mounting and a blade carried on the mounting, the blade having an edge for engaging a quantity of material to be moved, the edge having a bead extending along the edge, the bead having a cross-section that has a curvilinear contour whereby the blade will be deflected away from interfering obstacles within the associated material. In some embodiments the apparatus may be a shovel. In some of these embodiments, the bead has a circular cross-section. Some embodiments have the circular cross-section and others have a curvilinear cross-section. The invention also includes the method for moving material which includes providing a mounting and providing a blade carried on the mounting that has an edge for engaging a quantity of material to be moved, providing an bead extending along the edge that has a cross-section that has a curvilinear contour whereby the blade will be deflected away from interfering obstacles within the associated material.

Abstract: An integrated mechanical transmission system of an excavator (91), equipped with a diesel engine (140), and comprising an undercarriage (110) carrying a mounted rotary table (104) carrying a tower (95), comprises: an electric generator (142) coupled with the diesel engine (140); a first linear electric motor (100) for commanding the rotation of the rotary table (104); at least a second high torque reversible electric motor (121) with innovative technology for commanding the translation of the vehicle; at least one voltage and current intensity regulating group (144) connected to the electric generator (142); a rotary distributor with contacts (147) provided on the rotary table (104) and electrically connected to the first linear motor (100) and to the second high torque reversible motor (121) with innovative technology; a battery group (145) connected to the regulation group (144).

Abstract: Certain exemplary embodiments can include obtaining and analyzing data from at least one discrete machine, automatically determining relationships related to the data, taking corrective action to improve machine operation and/or maintenance, automatically and heuristically predicting a failure associated with the machine and/or recommending preventative maintenance in advance of the failure, and/or automating and analyzing mining shovels, etc.

Abstract: The present disclosure relates to a system for detecting axle loads of a vehicle, in particular of a wheel loader, comprising a sensor for determining the torque of a drivetrain and a second sensor for detecting the load of an axle, wherein the second sensor is arranged on a non-rotating component of the axle.

Abstract: In a hydraulic excavator, in a rear part of an upper rotating body mounted on a lower traveling body is disposed an engine room, and in a front surface of a partition wall for partitioning the front surface side of the engine room from the exterior is provided a step serving as a foothold for opening and closing a bonnet and performing maintenance work. On the lower side of the step, a duct for exhausting the air within the engine room to the exterior is formed in a state that the step serves as an upper surface wall of the duct.

Abstract: A sizing bucket for use in excavation and particularly trench padding. Embodiments of the invention include an angled sizing member extending between a base plate and a back plate of the sizing bucket. An aperture extends through the base plate beneath the sizing member. The bucket further includes an extended scoop portion to assist in transporting material to be sized and a pre-sized material portion behind the sizing member for transporting pre-sized material. A particular embodiment of the invention includes a sizing member with graded mesh sizes. The sizing bucket of embodiments of the invention allow an excavator operator to lower and tie-in pipe in a trench, transport material to the trench, size the material, pad the trench, backfill the trench and clean-up the area around the trench without the need to change buckets or excavating equipment.

Abstract: A one-pass bucket for digging a ditch by moving the bucket with its curved end down longitudinally of the proposed ditch, wherein the bucket includes a top wall, a bottom wall, a rear wall and a side wall diverging forwardly from the rear wall to an open front end of the bucket, the side wall being planar and defining a sharp acutely-angled corner with the bottom wall, the curved end wall, opposite the first side wall, extends convexly from the bottom wall to said top end at a forward edge thereof, and extending substantially diagonally upwardly therefrom at a rearward edge so that the forward edge of the curved end wall curves upwardly towards the plane of the top wall so as to intersect it non-tangentially and the rearward edge extends diagonally to intersect the plane of the top wall whereby a round bottom ditch is formed by rotating said curved end wall downwardly relative to the acutely angled corner and dragging the curved end wall through the soil longitudinally of the proposed ditch in a single pass.

Abstract: A sizing bucket for use in excavation and particularly trench padding. Embodiments of the invention include an angled sizing member extending between a base plate and a back plate of the sizing bucket. An aperture extends through the base plate beneath the sizing member. The bucket further includes an extended scoop portion to assist in transporting material to be sized and a pre-sized material portion behind the sizing member for transporting pre-sized material. A particular embodiment of the invention includes a sizing member with graded mesh sizes. The sizing bucket of embodiments of the invention allow an excavator operator to lower and tie-in pipe in a trench, transport material to the trench, size the material, pad the trench, backfill the trench and clean-up the area around the trench without the need to change buckets or excavating equipment.

Abstract: For the breaking-up and removal of ground outer layers there serves an device that is constructed as a dredge shovel. On its rear side lying opposite the receiving opening it is provided with a milling and cutting arrangement that has a predetermined milling (or cutting) depth and that serves for the penetration of pavement layers or similar outer layers, as well as for their breakdown into a workable recycling material.

Abstract: A swivel type working vehicle having a turntable (3) with a rear hood (28) covering an engine (11) and a side hood (42) covering hydraulic equipment. The rear hood (28) includes a pivot device (30) disposed in an upper front end region thereof and having a pivot axis extending transversely of a vehicle body. The rear hood is pivotable by the pivot device between a closed position covering the engine and an open position exposing the engine. The side hood (42) includes a pivot mechanism (50) disposed in a lower front end region thereof and having a pivot axis extending transversely of the vehicle body. The side hood being pivotable by the pivot mechanism between a closed position covering the hydraulic equipment and an open position exposing the hydraulic equipment.

Abstract: A mining shovel including a frame having an upwardly support member. A boom extends upwardly and forwardly from the frame from a connecting end toward a distal end along a boom longitudinal axis. At least one first suspension cable has one end attached to the boom proximal the boom distal end and an opposing end attached to the support member. The at least one first suspension cable defines an angle relative to the boom longitudinal axis, wherein in tension, the at least one first suspension cable resists a first side load imposed on the boom.