Abstract: A variable-diameter adsorption winding needle mechanism and a winding machine are provided. The variable-diameter adsorption winding needle mechanism includes a winding needle assembly, a first adsorption winding needle, a second adsorption winding needle and a pin assembly. A plurality of adsorption holes are provided on the outer peripheral surfaces of the first adsorption winding needle and the second adsorption winding needle. At the same time, the winding needle assembly is also used to drive, under the driving of the pin assembly, the first adsorption winding needle and the second adsorption winding needle to move close to or away from each other.

Abstract: A flexible layer support structure and a retractable device is disclosed. The flexible layer support structure includes a first thin sheet and a second thin sheet arranged in parallel with each other, as well as and a folding spring group sandwiched between the first thin sheet and the second thin sheet and arranged in parallel. The curved elastic pieces in the folding spring group are smoothly overlapped and connected with the thin sheets, so as to enclose a hollow thin-walled elastic structure that can be overlapped and rolled up, can be automatically straightened and has a flat surface. The retractable device includes a winding shaft, a pressure roller, and a flexible layer support structure installed on the winding shaft. The flexible layer support structure of the present disclosure has the advantages in lightweight, high storage ratio, large unfolded area, simple winding, large load bearing capacity, and less damage.

Abstract: An automatic line reel includes a flexible line wound onto a motor-driven reel assembly. A processor controlling the motor detects contact pressure between the flexible line and a triangular pressure transducer, automatically extending the flexible line when the contact pressure exceeds a preset threshold. Line extension stops when contact pressure falls below a second preset threshold. The flexible line may be retracted and rewound around the reel assembly by activation of a switch on a wireless remoted control, by a switch on the automatic line reel, or by activation of a smart phone application program in data communication with the processor controlling the reel assembly. A reel assembly is optionally configured to maintain uninterrupted fluid communications through the automatic line reel as the reel assembly rotates. The reel assembly may optionally be configured to maintain uninterrupted electrical signal communication through the automatic line reel.

Abstract: A roll tape 1 is held by a tip end portion of an arm 3 connected by a pivot shaft 4 fixed to a rotating body 5, and an enlarged diameter curved surface portion 6 is provided that comes into contact with the arm 3 that pivots at a time of rotation. In an angle range in which the arm 3 is in contact with the enlarged diameter curved surface portion 6, the arm 3 is pushed in a rotation outward direction at the time of rotation such that the tape stretched from the roll tape 1 to an object 9 is wound around the object 9 while being pulled out. In an angle range in which the arm 3 is not in contact with the enlarged diameter curved surface portion 6, the tape previously pulled out from the roll tape 1 is wound around the object 9 while being wound up on the object 9. By repeating this alternately, displacement of the object from the rotation axis is suppressed, and proper winding is performed.

Abstract: Disclosed are a winch, a rope guide, and a transmission device having a clutch function. The winch includes a base seat, a reel, a rope guide, a transmission assembly, and a motor. The reel is rotatably provided to the base seat. The rope guide is provided to the base seat. The transmission assembly is connected with the rope guide. The motor is connected with the reel to drive the reel to rotate, and the motor drives the rope guide through the transmission assembly. In the winch according to embodiments of the present disclosure, the rope guide is an active rope guide, bringing about a good rope guiding effect. Moreover, the reel and the rope guide are driven by the same motor, which reduces the number of components and parts, simplifies the structure and control, and lowers costs.

Abstract: A gas turbine engine component includes a component wall that has an exterior core gaspath side and an opposed interior side. The component wall is formed of a ceramic matrix composite that includes a plurality of fiber plies disposed in a ceramic matrix. The component wall includes a corner that connects first and second wall sections. The fiber plies extend continuously through the first wall section, the corner, and the second wall section. The fiber plies are in a stacked contiguous arrangement in the first and second wall sections and at least some of the fiber plies separate from one another in the corner to define one or more void pockets there between.

Abstract: The vehicle for transporting objects includes a body which is intended to contain these objects, and the body comprises at least one opening and at least one door. Each door closes such an opening, and which, depending on the circumstances, prohibits or permits entry inside the body. The vehicle also includes a winch which is located inside the body and includes a hook, a cable having a free end that is provided with this hook, a drum for winding the cable, and a motor for driving this drum. The vehicle also includes a securing device for fixedly securing the winch to the body, at least one attaching device which the at least one door includes, while the hook of the winch engages directly or indirectly with the at least one attaching device, and remote controller for the motor of the winch.

Abstract: An overhead transport vehicle includes: a winding drum configured to be driven by one driving motor, and to cause a holding unit to be lifted and lowered by winding and paying out a plurality of belts; at least one second idler roller around which the belt paid out from the winding drum is wound; a base provided on a traveling unit, and configured to support the winding drum and the second idler roller; and a linear motion mechanism configured to move a position of the at least one second idler roller so that a connecting portion of the belt to the holding unit moves in a lifting direction.

Abstract: Disclosed is a switching structure for pet pulling piece. The switching structure includes a shell, a string roller is provided inside the shell, a pulling belt is coiled with the string roller, a plurality of protruding stop portions are provided on the string roller in a circle, a switch locking structure is provided on the shell, the string roller is locked through the switch locking structure; an elastic switch structure used in the disclosure is more comfortable in hand when used, can be locked by a pressing down and pulling action, can be unlocked by pushing forward a small switch, and has a more convenient operation.

Abstract: A belt retractor having an electrically actuatable locking device comprising a housing with a base plate and an upright first limb, a locking lever mounted pivotably on the upright first limb with a steel plate which is spring-loaded, and an electromagnet arranged in the housing and having a coil with a through opening, a first iron core which is arranged in the through opening, when a voltage is applied to the coil, exerts a magnetic force on the locking lever via the steel plate and actuates the locking lever for triggering a locking or unlocking movement against the force of the spring. The movement of the locking lever is enforced by a first magnetic circuit formed by the first iron core, the upright first limb and the portions of the base plate and of the locking lever between the first iron core and the upright first limb.

Abstract: A shrouded fluid turbine comprises annular airfoils (called shrouds) that are coaxial with and surround a rotor of a fluid turbine. A Mixer Ejector Wind Turbine consists of a turbine shroud that is engaged with a rotor. The rotor is rotationally engaged with a nacelle that houses electrical-generation equipment. The turbine shroud is engaged with support members that are engaged with an ejector shroud. At least one inflated annular tube is surrounded by an annular array of support members, which in turn is covered by a membrane, forming the annular airfoils that make up the turbine shroud and ejector shroud.

Abstract: A method for installing an add-on device onto a blade of a wind turbine includes configuring a plurality of tag lines to a wrap, the tag lines having a length to extend to a ground location when the add-on device is positioned on the blade. With the rotor, positioning the blade to a first rotated position. The add-on device is located at a desired span-wise location on the blade such that the wrap forms an open-sleeve configuration draped around the leading edge of the blade and span-wise sides of the wrap extend along pressure and suction sides of the blade adjacent a trailing edge of the blade. With the tag lines, the wrap is tensioned against the blade. Attachment devices configured with the wrap are affixed to the trailing edge of the blade.

Abstract: The invention describes a sleeve for sliding onto and removing from a winding shaft, which comprises a one-piece workpiece defining a cylinder, which workpiece comprises two edge regions each having an edge, the edge regions overlapping one another, the sleeve having a first diameter in a relaxed state, the sleeve in a clamped state having a second diameter which is different from the first diameter, the sleeve in the clamped state experiencing an elastic deformation as compared to the relaxed state.

Abstract: The invention relates to an apparatus for assembling and disassembling a mobile crane boom, in particular a telescopic boom, that comprises a support device that is attached or attachable to the mobile crane and/or to a transport vehicle on which the boom can be placed and fixed or locked, a roller cart on which the boom can be placed and that is movably stored or storable on the transport vehicle, and a guide mechanism that is attached or attachable to the transport vehicle and by means of which the roller cart is actively movable in parallel with the longitudinal axis of the boom. The invention further relates to a mobile crane having an apparatus in accordance with the invention and to a method of assembling a boom stored on a transport vehicle to a mobile crane using the apparatus in accordance with the invention.

Abstract: A stage hoist motor assembly includes a first electric motor including a first brake and a second electric motor including a second brake. The first electric motor and the second electric motor are stacked one atop the other within a common plane. A cable winch is rotatable about a winch axis and includes a cable winch shaft that is driven by the first and second electric motors through respective ones of a first drive coupling and a second drive coupling. A width of the motors is less than a width of the winch. Moreover, the motors are stacked one atop the other within a common plane to provide a compact foot print that is favorable to use in performance venue environments.

Abstract: This application discloses a water pump with a suspension function, including: a pump casing, a pump cover, a motor, a pressing ring, a volute and a base. In this way, the water pump with the suspension function disclosed in this application has an upper part suspended on a water surface to clarify the position of the water pump, thus preventing the problem of being buried by underwater mud and sucking in underwater impurities, and protecting a sealing structure at the upper part of the pump casing.

Abstract: Disclosed are a winch, a rope guide, and a transmission device having a clutch function. The winch includes a base seat, a reel, a rope guide, a transmission assembly, and a motor. The reel is rotatably provided to the base seat. The rope guide is provided to the base seat. The transmission assembly is connected with the rope guide. The motor is connected with the reel to drive the reel to rotate, and the motor drives the rope guide through the transmission assembly. In the winch according to embodiments of the present disclosure, the rope guide is an active rope guide, bringing about a good rope guiding effect. Moreover, the reel and the rope guide are driven by the same motor, which reduces the number of components and parts, simplifies the structure and control, and lowers costs.

Abstract: A cable holder for the long-term storage and the rapid transport of high-voltage cables, is storable for long periods with little outlay. The cable holder includes a rotatable cable reel which has a winding cylinder and side limits which are connected for conjoint rotation with the winding cylinder and protrude over the circumference of the winding cylinder. A holding frame is provided for rotatably mounting the cable reel. A high-voltage cable is wound onto the cable reel. The winding cylinder has a diameter of over 1300 mm.

Abstract: A footwear lacing apparatus can comprise a housing structure, a spool and a drive mechanism. The housing structure can comprise a first inlet, a second inlet, and a lacing channel extending between the first and second inlets. The lacing channel can comprise a spool receptacle located between the first and second inlets, a first relief area located between the spool receptacle and the first inlet, and a second relief area located between the spool receptacle and the second inlet. The first and second relief areas can be linearly tapered between the spool receptacle and the first and second inlets, respectively. The spool can be disposed in the spool receptacle of the lacing channel. The drive mechanism can be coupled with the spool and adapted to rotate the spool to wind or unwind a lace cable extending through the lacing channel and through the spool.

Abstract: The present disclosure relates to devices (300) for wind turbine blades (22) and methods for reducing vibrations in wind turbines (10). More particularly, the present disclosure relates to devices (300) for mitigating vortex induced vibrations and stall induced vibrations, wind turbine blades (22) comprising such devices (300), and methods for reducing wind turbine vibrations when the wind turbine (10) is parked, especially during wind turbine installation and/or maintenance. A device (300) comprises a proximal support (310) configured to be arranged around a first portion (221) of a wind turbine blade (22), a distal support (320) configured to be arranged around a second portion (222) of the wind turbine blade (22), and a barrier (330) extending between the proximal support (310) and the distal support (320). The first portion (221) of the wind turbine blade (22) is at a different longitudinal position along the blade (22) than the second portion (222).