Abstract: The present application relates to a tab roll replacing device and a winding apparatus. The tab roll replacing device includes an unwinding mechanism; a roll mechanism, including a transfer plate, a first floating clamping assembly, a second floating clamping assembly, and a first fixed clamping assembly; a cutting mechanism for cutting off a tab material strip clamped by the first floating clamping assembly and the first fixed clamping assembly, or the second floating clamping assembly and the first fixed clamping assembly; and a strip splicing mechanism for connecting the tab material strip output by the unwinding mechanism.

Abstract: A material tracking system is provided for tracking material stored on and drawn from a reel. The material tracking system may include a reel, detection element, digital logic components, battery and power components, transceiver and communication components, location receiver, enclosure, analytic component and interface component. One or more sensors relative to the reel may detect a position indicative of forward or reverse reel rotation. A processor may analyze signals to count rotations of the reel, which is savable in memory. A battery may provide power. The system may also record the time and location associated with rotations. A method to operate a tracking material stored on and drawn from a reel using the material tracking system is also provided.

Abstract: The invention is directed to a partitioned rotor blade for a wind turbine, which, with respect to a longitudinal axis of the rotor blade, is formed by a first rotor blade segment and a second rotor blade segment. The first rotor blade segment has at a first connection end, a first connecting region along the longitudinal axis, and the second rotor blade segment has at a second connection end, which is associated with the first connection end, a second connecting region along the longitudinal axis. The two connecting regions are connected at a partition interface of the rotor blade and form a common segmentation region. In the segmentation region, a common outer contour of the rotor blade is formed by the connection of both rotor blade segments. The outer contour is singly curved.

Abstract: New down-wind horizontal axis turbine (DWHAT) systems or apparatus and methods for making and using same, wherein the DWHAT systems or apparatus include a base structure, a tower assembly or a derrick assembly anchored to the base structure, a drive assembly, a sail assembly, and a generator assembly, wherein the sails of the sail assembly are configured to catch wind downwind of the apparatuses or systems and wherein the drive assembly converts horizontal rotation of the horizontal shaft into vertical rotation of the vertical shaft that turns the generator generating electrical power that is transmitted to a power grid.

Abstract: The invention relates to a brake device for producing a brake torque counter to a torque acting on a rotatably supported member, wherein the brake device has: at least one toothed brake ring which is mechanically actively connected to the rotatably supported or supportable member, a plurality of bending-resistant brake levers which each have at a first lever end at least one stop which engages in the tooth arrangement of the brake ring and which are each rotatably supported on a second lever end opposite the first lever end, wherein each brake lever is connected to a force element for applying a brake force in such a manner that, as a result of the brake force via the stop of the respective brake lever which is in engagement with the tooth arrangement of the brake ring, a brake torque is produced on the brake ring tangentially counter to the active direction of the torque in order to apply a brake torque to the rotatably supported or supportable member, wherein the brake levers are arranged with respect to

Abstract: The invention relates to a tower crane, preferably a rotary tower crane, particularly preferably a top-slewing crane, comprising a jib and a counter-jib. The jib and/or counter-jib is hinged to the tower top and/or rotating platform by means of at least one connection point. A first connection part of the at least one connection point has a concave stop surface, and a second connection part of the connection point comprises a convex counter-stop surface, wherein the counter-stop surface of the second connection part acts on the stop surface of the first connection part by means of a pressure force in order to produce a force-fitting connection between the connection parts.

Abstract: A wind turbine rotor blade element includes a connection section with a front face, an inner and an outer surface. A plurality of connection assemblies each have (i) a metal insert with a longitudinal axis, a circumferential outer surface and a joining portion for connecting the rotor blade to a wind turbine rotor hub; and, (ii) a transition material aligned with the metal insert and having a tapering longitudinal section. The longitudinal section has an axial outer surface parallel to the longitudinal axis of the metal insert and an inclined outer surface at an angle with reference to the longitudinal axis. The connection assemblies are embedded in the connection section such that the joining portions of the metal inserts are accessible. The connection assemblies are arranged in an inner row closer to the inner surface of the connection section and an outer row closer to the outer surface thereof.

Abstract: A replacement insert for the repair of a joint connecting a wind turbine blade to a rotor hub of a wind turbine is disclosed. The replacement insert includes a bushing having a first end, a second end, an outer surface, and an internal passageway. The replacement insert further includes a cover around at least a portion of the outer surface of the bushing. The replacement insert may have a non-circular cross-sectional profile. The cover defines an outer surface, and a plurality of protrusions extending from the outer surface of the cover. The protrusions are configured to operate as spacers when the replacement insert is positioned in a bushing cavity in the wind turbine blade to define a gap between the replacement insert and the walls of the bushing cavity.

Abstract: The present invention discloses a blade root assembly for a wind turbine, the assembly comprising a blade with a root portion and a blade root flange. The blade root portion comprising a plurality of receptacles configured to receive fasteners to couple the blade root portion with a wind turbine rotor hub.

Abstract: A system for repositioning at least one crane superposed on a tower positioned within a bay of a building structure includes a supporting structure positioned within the bay of the building structure arranged surrounding the tower having a plurality of a repositionable support braces, at least one supporting platform reversibly mounted to the tower by a plurality of support hooks, a ladder vertically suspended from the supporting platform adapted as a track and a main platform adapted to carry and reposition the tower comprises at least one first lifting means configured to reversibly extend the main platform, at least a first climbing means and a second climbing means reversibly engageable to the ladder.

Abstract: In accordance with example embodiments a hose reel system including a layout guide is provided.

Abstract: An adjustable spooling apparatus for storing and unwinding a cable formed into a coil and having a coil diameter, the adjustable spooling apparatus comprising a central hub, a pair of adjustable arms movably engaged with the central hub, and a rotating handle. The adjustable arms each have a coil retention member, and can be selectively extended or retracted to increase or decrease a retention member distance measured between the coil retention members of the two adjustable arms to match the coil diameter. The rotating handle is attached to the central hub, and allows the adjustable spooling apparatus to rotate when the cable is pulled to facilitate unwinding of the coil. The adjustable spooling apparatus further comprises a pair of pivoting arms to prevent the coil from being dislodged, and an engagement point for a power tool to facilitate rapid winding of the cable by rotating the adjustable spooling apparatus.

Abstract: A retractable tow reel assembly for an off-road vehicle, the assembly comprising: a) a bracket having a pair of opposing uprights and mountable to an off-road vehicle; b) a reel adapted to be held by the bracket when mounted to the vehicle and effective for holding a tow rope, the reel including a shaft and a pair of opposing drum ends having a diameter greater than the diameter of the connecting shaft, and c) a tow rope having an eye end and a free end, wherein the eye end is threaded around the shaft; wherein the shaft has a first end and a second end, and wherein the first end of the shaft may be released from the first drum end and exposed to facilitate threading of the rope eye over the shaft without releasing the second end of the shaft from the second drum end.

Abstract: A load orienting device and method of operating the load orienting device are disclosed. The load orienting device includes a frame, first and second posts disposed on the frame, and first and second propellers disposed on the first and second posts, respectively. The first and second posts are movable to adjust a distance between the first and second propellers and a controller operates the first and second propellers to adjust an orientation of the load orienting device relative to a vertical axis of the load orienting device.

Abstract: A turbine blade and a method of manufacturing the wind turbine, wherein the wind turbine blade comprises a composite structure and a surrounding layer. The composite structure comprises a stack of pultruded elements where an infusion-promoting layer is arranged between adjacent pairs of pultruded elements (18). The infusion-promoting layers have a higher permeability than the surrounding layer so that the resin flows at a higher speed within the stacked structure than in the surrounding layer.

Abstract: Self-tailing winch with a release function, where said winch comprises: a stator body adapted to be fastened on a surface; a drum body arranged concentrically and rotatable around said stator body; a self-tailing device arranged concentrically to said drum body, where said self-tailing device comprises: two self-tailing jaws defining an opening suitable to receive a rope, sheet or halyard; a self-tailing cover which is rotatable relative to the drum body and the self-tailing jaws; a releasable coupling arranged between the self-tailing cover and the self-tailing jaws, said coupling being able to couple the self-tailing jaws to the drum body and by manipulating the self-tailing cover completely releasing the self-tailing jaws from their engagement with the drum body, allowing the self-tailing jaws to rotate relative to the drum.

Abstract: An anti-rotation device for suspending a load under a machine for lifting and moving this load includes a sling system provided with a fastener to the machine. It further includes a spreader beam, having a main longitudinal axis and a yaw rotation vertical transverse axis, including: a system for upper fastening to the sling system so it can be suspended in a substantially horizontal arrangement of its main longitudinal axis and free about its vertical transverse axis under the machine using the sling system; a system for lower fastening to the load, allowing driving of the load by the spreader beam about its vertical transverse axis. The spreader beam includes a propulsion unig disposed in such a way as to engage its rotation, selectively in one direction or in the other, about its vertical transverse axis when it is suspended from the machine via the sling system.

Abstract: A cable puller is provided to pull rope or cable where the cable puller includes a puller frame, a capstan rotatably mounted on the puller frame around a first axis of rotation, an output shaft rotatably mounted to the puller frame and coupled to the capstan, The capstan is configured to rotate when the output shaft is driven. A shift motor is configured to drive a cam to engage gearing coupled to the output shaft to a gear position comprising a low speed position, a medium speed position, and a high-speed position.

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 drive assembly for a tool with a rotatable crank and a reel may include a carrier operably coupled to the reel, a stress relief plate interposed between the carrier and the crank and configured to operably couple the carrier to the crank, and mating surfaces disposed on the carrier, the stress relief plate, and the crank in a stacked arrangement to distribute stresses and increase maximum torque capacity of the drive assembly.