404results about "Apparatus for feeding conductors/cables" patented technology

A method of compensating for thermal contraction of superconducting and cryo-resistive cables. The method includes the steps of determining a compensation length for a cable such that when the cable is subjected to an operating temperature, the cable is in or near a stress-free state, and installing the cable into a pipe such that portions of the cable extend outwardly past ends of the pipe. The method further includes the steps of marking each end of the cable such that the determined compensation length is visibly shown, forcing the cable into the pipe at an ambient installation temperature such that a cable pattern is formed therein, and maintaining the cable in the pipe to prevent the cable from being pushed out of the pipe.

A process for manufacturing finished wire and cable having reduced coefficient of friction and pulling force during installation, includes providing a payoff reel containing at least one internal conductor wire; supplying the at least one internal conductor wire from the reel to at least one extruder; providing the least one extruder, wherein the at least one extruder applies an insulating material and a polymerized jacket composition over the at least one internal conductor wire, wherein the polymerized jacket composition comprises a predetermined amount by weight of nylon; and at least 3% by weight of a silica; providing a cooling device for lowering the temperature of the extruded insulating material and the polymerized jacket composition and cooling the insulating material and the polymerized jacket composition in the cooling device; and, reeling onto a storage reel the finished, cooled, wire and cable for storage and distribution.

A hybrid cord formed from a plurality of component plies wherein at least one of the plies has a length that is from 1 to 50 percent longer than the other plies and a method of providing a cord with predetermined twist and component ply lengths.

The invention discloses a device for producing a special-shaped superconducting cable for a magnet. The device comprises an inner supporting core fixing frame, a stranding cage, a compression mould, a cable straightening machine, an insulated strip winding machine, a crawler traction machine, a pay-off and take-up control machine and a take-up reel, wherein the above parts are arranged in sequence. The stranding cage comprises a stranding cage main shaft, and a stranding cage pay-off rack is arranged on the stranding cage main shaft. The stranding cage pay-off rack is provided with a stranding cage pay-off reel. An inner supporting core is arranged in the stranding cage main shaft. The rear end of the inner supporting core is connected with the inner supporting core fixing frame. In the front end area of the inner supporting core, a fixing region, a small branching ring mounting region, a superconducting compound yarn stranding region, a superconducting compound yarn stabilizing region, a superconducting compound yarn deformation transition region and a superconducting compound yarn deformation stabilizing and forming region are sequentially arranged from back to front. According to the technical scheme of the invention, the gradual and stable transition of each superconducting strand during the stranding process can be ensured, so that each superconducting strand can sequentially enter the compression mold to be subjected to compression molding in the regular and bounce-free manner. Therefore, the problem that each superconducting strand can not regularly enter the compression mold to be damaged can be solved.

The invention discloses a multifunctional horizontal type aluminum wire enamelling machine. The multifunctional horizontal type aluminum wire enamelling machine comprises a pay-off apparatus, a wiredrawing apparatus, a cleaning apparatus, an annealing furnace, a painting apparatus, a baking furnace, a cooling apparatus and a take-up apparatus. The multifunctional horizontal type aluminum wire enamelling machine provided by the invention is applicable to painting and processing of metal wires of various different core materials, particularly the aluminum wire; online wiredrawing is realized, so that aluminum wire wiredrawing and enamelling can be carried out at the same time; the pay-off apparatus tightly compresses and brakes the wire through soft wheels, so that a bare wire is in a tensioned state; after the aluminum wire is subjected to online wiredrawing, the aluminum wire is cleaned by an ultrasonic cleaning machine first to remove aluminum powder and lubricating grease on the surface; a wire supporting roller is arranged between the baking furnace and the cooling apparatus, so that friction between the aluminum wire and the pipe wall can be prevented; the cooling apparatus is used for forcedly cooling a high-temperature wire coming out of the baking furnace; the air flow direction in an air channel is opposite to the marching direction of the wire; the air is large in air volume and high in air speed, so that a sufficient cooling effect can be ensured; in addition, the take-up apparatus is provided with a constant-speed apparatus; a constant-speed wheel is equipped with a wire pressing wheel, so that the take-up speed is stable.

The invention provides an aluminum armored power cable as well as production equipment and a production technology of the cable. The production equipment is a twisting and wrapping device of the cable, wherein the twisting and wrapping device twists an insulated wire core of forming the cable and sequentially wraps the twisted cable core with a refractory layer and an aluminum armored layer; the twisting and wrapping device comprises a conveying mechanism, a twisting mechanism, a refractory layer wrapping mechanism and an aluminum armored layer wrapping mechanism; the conveying mechanism drags the cable core, so that the cable core sequentially passes through the twisting mechanism, the refractory layer wrapping mechanism and the aluminum armored layer wrapping mechanism; the aluminum armored power cable is sequentially provided with the cable core, the refractory layer and a self-locking aluminum armored layer from inside to outside; the cable core is formed by twisting the insulated wire core and a filling rope; the refractory layer is formed by multiple groups of refractory strips wrapping the cable core; and the self-locking aluminum armored layer is formed by multiple groups of aluminum strips wrapping the cable core refractory layer. According to the produced aluminum armored power cable, the fire resistance, the corrosion resistance and the flexibility of the cable can be strengthened and the bending radius value of the cable can be reduced.

The inventive superconducting wire comprises a substrate and a continuous layer of atomically ordered superconducting material. The inventive wire has a length greater than 10 meters.

The invention discloses production equipment for new energy transformer cables. The production equipment includes a pedestal. A cable holding device, a cable winding device, a rubber extrusion deviceand a drying device are sequentially arranged on the pedestal in a horizontal direction. The cable holding device includes a fixing support fixedly connected on the pedestal. The fixing support is provided with multiple first cable holding buckets at equal intervals in a vertical direction. The cable winding device includes a supporting rod fixed on the pedestal. The upper end of the supporting rod is fixedly connected with a cable winding disc. The cable winding disc is circumferentially provided with cable holes that are arranged at equal intervals and correspond to the first cable holding buckets in quantity. The sidewall of the cable winding disc is circumferentially provided with damping devices that are arranged at equal intervals and face the cable holes. The production equipment isreasonable in structural design and low in cost and is easy to operate. Cables are low in cost and are quite easy to obtain. The production equipment, easy to operate, needs no quite professional technicians and can be quite easily promoted and used on production lines. Moreover, extra training costs and manpower costs are not needed.

The invention provides a device for cable covering. The equipment for cable coating includes a frame, a wire releasing device, a removal device, a guide device, a coating device and a wire take-up device, the wire release device, the removal device, the guide device, Both the coating device and the wire take-up device are arranged on the frame, and the frame is configured to be composed of a bracket and a bottom plate, the bracket is set as a door-shaped structure, and the bracket is vertically arranged across the bottom plate , one side of the upper surface of the bottom plate is provided with the line release device, the impurity removal device and the guide device in sequence, and the line release device, the impurity removal device and the guide device are all arranged under the bracket The cladding device is arranged horizontally across the two vertical arms of the bracket, and the wire take-up device is arranged on the beam of the bracket. The present invention adopts the coating machine, which has a simple structure, can effectively level and clean the surface of the cable to be processed, makes the shielding layer and the surface of the cable close to each other, and ensures good coating quality of the cable.

The invention relates to a twisting device for electrical conductors. The twisting device has at least one twisting head that rotates about an axis of rotation and a clamping device. The twisting head is movable in the direction of its axis of rotation toward the clamping device and is mounted on a first, motorised length compensation carriage, while the clamping device is mounted on a travel compensation carriage that is movable towards the length compensation carriage parallel to the axis of rotation of the twisting head. After the conductors have been cut to size and transferred to the twisting head and the clamping device, they are placed under tension. Then, the twisting head is activated to rotate about an axis of rotation parallel to the conductors while simultaneously moving towards the clamping device. Simultaneously, the clamping device is subjected to a force directed away from the twisting head and the travel/force profile for the clamping device is evaluated.

The invention relates to a device for drawing, spraying, cleaning, drying, and collecting a cable. The device comprises a cleaning drying box, a cleaning brush, a guiding device, an air heating device, a collecting roller, a drying cylinder and a plurality of spraying pipes. The cleaning drying box is welded on the upper ends of four support frames. The guiding device is welded on the lower end ofthe left sidewall of the cleaning drying box. The collecting roller sleeves the right end of a collecting reel. The drying cylinder is welded on the upper end of a connecting support rod. The air heating device is fixedly disposed on the upper end face of a fixed bottom plate. The air heating device is disposed on the left side of a first motor. The cleaning brush sleeves a rotating shaft. Fastening is performed by screwing a fastening nut on an end of the rotating shaft having external threads. The plurality of spraying pipes are fixedly disposed in the lower end wall of a spraying box. Thedevice is reasonable in design and convenient to use, can clean the dust and the dirt on the cable, and can immediately dry and coil the cable after the cleaning, thereby improving the cable processing efficiency.

A method for forming a multilayer composite structure comprises providing a first sheet comprising a copper-comprising layer sandwiched by first and second graphene layers, wrapping the first sheet to form a first rod, and compacting the first rod to form a first multilayer composite structure.

The invention relates to a self-damping double-reel pay-off device and an application method thereof. The self-damping double-reel pay-off device comprises an installation shaft and pay-off reels, wherein the two sets of pay-off reels with wire cores winding in opposite directions are assembled on the installation shaft in a manner of pressing against each other, the pressing end surfaces of the two sets of pay-off reels are each provided with a friction plate correspondingly; the installation shaft is connected on an installation bracket correspondingly, and the installation shaft is provided with a pressure adjusting structure corresponding to one pay-off reel. By arranging the friction plates, the resistance of the adjacent pay-off reels can be increased, thereby increasing twisting tension; and by utilizing the principle that forces of friction interact with each other, the adjacent pay-off reels have the same resistance, thereby effectively improving the wire core twisting quality.

The invention provides a cable producing device for improving cable safety performance and a using method thereof. The cable producing device comprises a wire conveying box and a first support, wherein the first support is arranged at the bottom of the wire conveying box; a servo motor is arranged on one side of the wire conveying box; the servo motor is rotationally connected with a first connecting shaft through a motor shaft; the first connecting shaft is rotationally connected with a wire discharging roll; a conductor wire inside a cable is suitably conveyed, so that processing of the periphery of the conductor wire inside the cable is facilitated, and cable production is facilitated; a first conductor wire pipe is arranged at one end of the wire conveying box; coating boxes are connected to one end of the first conductor wire pipe; the first supports are arranged at the bottoms of the coating boxes. Through arrangement of five mixing hoppers, the outer side of the conductor wire is sequentially coated with an insulating material, a composite material, a shielding material, a flame-retardant material and a wear-resistant material, so that the strength, the fire resistance and the wear resistance of the cable are improved, the service life of the cable is prolonged, and the working efficiency of the cable is improved.

The invention relates to an electric appliance enameled wire manufacturing and processing system. The system comprises a box body, a lead unit, a painting unit and a baking unit. The lead unit is arranged in the box body, and the painting unit and the baking unit are successively arranged on an inner wall of an upper end of the box body from left to right. Through guiding of the lead unit to an enameled wire and a structural design of the painting unit, the painting unit and the baking unit carry out repeated painting treatment and baking treatment on the enameled wire so that the repeated painting treatment and baking treatment are completed by one device. A paint liquid is more uniform through repeated smearing, and wastes of the paint liquid is reduced. In the invention, through the arranged lead unit, a problem that a plurality of devices are needed to paint and bake the enameled wire is solved; a lead wheel guides the enameled wire to go in and out of the painting unit and the baking unit, a tensioning guide wheel and a wire return wheel guide the enameled wire, the enameled wire enters into a next wire inlet column, and meanwhile, the tensioning guide wheel further tensions the enameled wire.

The invention discloses a paying-off device for enameled wire production. The paying-off device for the enameled wire production comprises an installation block, a feeding mechanism, a wire roller clamping structure and a wire roller height adjusting mechanism. The upper end of the mounting block is provided with a feeding mechanism, and a supporting frame is fixed to one side of the mounting block. A first servo motor is disposed at the top end of the supporting frame. A first belt pulley is disposed on an output shaft of the first servo motor. A first belt pulley is in transmission connection with second belt pulleys. The second belt pulleys are in key connection to the top ends of first lead screws. The first lead screws are in transmission connection with first transmission nuts, and the first transmission nut are embedded in first fixing blocks. A second mounting box is fixed between the two first fixing blocks. A second servo motor is fixed to the bottom end in the second mounting box through a bolt, and an output shaft end of the second servo motor is in key connecting portion with a connecting sleeve. The outer side of the connecting sleeve is sleeved with the wire roller. Through the above structure, the replacement of the wire roller is convenient during paying off. The paying-off device for enameled wire production is simple in structure, convenient to operate and low in labor intensity.

The invention discloses a manufacture apparatus for an enameled wire, and relates to the technical field of enamelled wire production equipment, The main points of the technical scheme include an annealing mechanism, a painting mechanism, a plating mechanism;, the electroplating mechanism comprises a nickel plating bath, a silver plating bath, a first cleaning bath, a second cleaning tank, a thirdcleaning tank; a plurality of rows of first wire transmission mechanisms are arranged in a first cleaning tank, the second cleaning tank and the third cleaning tank; the first wire conveying mechanism includes a plurality of first wire conveying rollers, a first wire transmission gap is arranged between two adjacent first wire transmission rollers, a plurality of rows of second wire transmissionmechanisms are arranged in the nickel plating bath and the silver plating bath, the second wire transmission mechanism comprises a plurality of second wire transmission rollers, a second wire transmission gap is arranged between the two adjacent second wire transmission rollers, the nickel plating bath is further provided with a nickel plate, and the silver plate is also arranged in the silver plating bath; By annealing, electroplating and painting on the same production line, the loss of electroplated metal on the conductor surface can be reduced and the production quality of enamelled wire can be improved.

An automatic winding and labeling machine for cable reels, including a machine platform and a wire feeding mechanism, the machine platform on the right side of the wire feeding mechanism is provided with a frame, a wire cutting device, a wire arranging device, and a labeling device in sequence , a winding device and a blanking mechanism; the labeling device includes a labeling guide column, a cross bar, a labeling press cylinder, a labeling bottom plate, a label feeding component, a labeling bottom, a label cutting component, a labeling Roller, clipping assembly and wire assembly, the position of the clipping assembly corresponds to the position of the label feeding assembly; the middle position of the labeling bottom plate is provided with a first opening and a second opening; the labeling The sticking rollers are arranged on both sides of the second opening. The invention has a high degree of automation and strong practicability, and can process two cable reels at one time, realizing the feeding of cables, winding of cables into cable reels, labeling, cable cutting and cable reels Fully automated production and processing of blanking improves the efficiency of cable processing into cable reels.

The invention relates to a paying-off device with hysteresis tension and a feedback device. The paying-off device with the hysteresis tension and the feedback device comprises a base (1). The base (1) is connected with a rotation cylinder by a support seat (2). The rotation cylinder (3) is internally provided with a group of bobbin loaders (4). One side of the rotation cylinder is connected with a pre-torsion device (5), and the other side is connected with a main conduction ring (6). The rotation cylinder is internally provided with an assistant conduction ring (7) connected with the main conduction ring. Each bobbin loader (4) is connected with a bobbin (8), a hysteresis brake (9) and a tension detecting device (11). The hysteresis brake is connected with the bobbin (8). Guide wires (12) on each bobbin are connected to the pre-torsion device (5) through the transmission of the corresponding tension detecting device, and twisted to form a cable. The paying-off device is capable of using the hysteresis tension brake to realize the closed-loop control, guaranteeing the uniform tension of each bobbin without the manual intervention, improving the automation degree and the production efficiency of the device, and guaranteeing the stability and reliability of the twisting quality of a product.

The invention discloses an electric cable traction forming system. The electric cable traction forming system comprises an electric cable straightening machine, a guide wheel device, an annealing cooling device, a roundness correction mold rack, an electric cable support, a traction device, a spray bin, a cooling blow-dryer and a transportable take-up gantry stand. The subsequent vertical operation for electric cable forming is transformed into horizontal operation, cost is reduced, and the operation difficulty is simplified; in the traction take-up process, an electric cable is subjected to annealing, roundness correction, oxidation layer elimination and cable diameter adjustment, while the quality of the electric cable is ensured, the shape of the electric cable can be round and attractive, and the electric cable is not prone to deformation. The electric cable obtained after annealing is subjected to air cooling, water cooling and wind cooling drying many times in sequence, which isunprecedented, the quality of the electric cable is ensured, and the appearance of the electric cable keeps attractive.

A process for manufacturing an electric cable. In particular, the process includes the steps of: a) feeding a conductor at a predetermined feeding speed; b) extruding a thermoplastic insulating layer in a radially outer position with respect to the conductor; c) cooling the extruded insulating layer at a temperature not higher than 70° C.; and d) forming a circumferentially closed metallic screen around the extruded insulating layer. The process is carried out continuously, i.e., the time occurring between the end of the cooling step and the beginning of the screen forming step is inversely proportional to the feeding speed of the conductor.