54results about How to "Stable pay-off" patented technology

The invention discloses a system for automatically controlling the tension of stranded cables of a superconducting cable conductor. The system comprises a stranded wire frame, wherein a pay-off disk is arranged in the stranded wire frame through a rotating shaft; wire guiding wheels are arranged behind the stranded wire frame; a take-up disk is arranged behind the wire guiding wheels; and the take-up disk is connected with a take-up motor. The system also comprises a pay-off motor connected with the pay-off disk; a tension sensor is connected with the wire guiding wheels; signals of the tension sensor are switched in a control circuit in a control cabinet; and a frequency converter of the take-up motor and a frequency converter of the pay-off motor are respectively connected with the control circuit. By adoption of the system, the tension can be accurately controlled, so that wires can be paid off stably, the problem that a tension value cannot be accurately controlled during stranding of superconductive wires is solved, and the problems that the superconductive wires are loosen and nonuniform, are easily snapped and the like during stranding are solved.

Disclosed is an adjustable cable coiler apparatus, which consists of two symmetrical triangular supports that match a cable drum. In terms of each triangular support, a vertical adjustable shaft rod is fixedly disposed in the middle of a triangular body formed by a T-shaped pedestal and multiple inclined struts, the vertical adjustable shaft rod is embedded into a vertical sleeve pipe, the lower segment of the vertical adjustable shaft rod is joint with a screw, a handle is fixedly disposed outside the adjustable shaft rod, a supporting plate is disposed at the top of the vertical adjustable shaft rod, and a horizontal shaft supporting the cable drum is placed inside the supporting plate. The height of each horizontal shaft at the top of one corresponding adjustable shaft rod is adjusted by the adjustable shaft rod disposed in the middle of one corresponding triangular support. In this way, the adjustable cable coiler apparatus can fit cable drums with different diameters, thereby solving the problem that the construction investment is high since different cable coilers need to be manufactured for cable drums with different diameters. Moreover, the adjustable cable coiler apparatus is flexible to configure, practical, and convenient to install and transport.

The invention discloses a multi-strand special conductor twisting and back-twisting cage wire stranding machine, belonging to the field of a cage wire stranding machine. The cage stranding machine ofthe invention comprises a power transmission mechanism, a conductor twisting mechanism, a conductor winding mechanism and a conductor take-up mechanism, wherein the power transmission mechanism is connected with the conductor twisting mechanism and the conductor winding mechanism, and a twisted conductor formed by the unwinding of the conductor twisting mechanism is coiled and winded in the conductor winding mechanism after being shaped by the conductor take-up mechanism. A multi-stage back-twisting gear set is utilized to always ensure that unwinding positions are fixed, and an infinitely variable transmission is cooperated to drive coiling and shaping of the conductor. In this way, the wire stranding machine effectively avoids problems of a broken stranded conductor, strand jumping, twisting, roundness of the cross section of the conductor and the like caused by unwinding instability of a conventional cage wire stranding machine, can accurately control the roundness of the cross section, the pitch and the stranding direction of the twisted conductor, is easy to operate, is high in safety factor, and is suitable for large-scale and high-efficiency stranding production of special conductors.

The invention relates to the technical field of spinning, in particular to a plastic coating production line. The plastic coating production line comprises a pay-off machine for winding raw wires, a wire collecting machine for changing the directions of the raw wires and gathering the raw wires, a coating machine for coating molten plastic on the raw wires to form composite wires, a cooling tank for cooling the composite wires and penetrating through the composite wires, a drawing machine for drawing the composite wires to deform, a detector for detecting the diameter sizes of the composite wires, and a wire rewinding machine for storing the composite wires; and the pay-off machine, the wire collecting machine, the coating machine, the cooling tank, the drawing machine, the detector and the wire rewinding machine are arranged as a production line in sequence. The plastic coating production line integrates paying-off, wire collection, coating, cooling, drawing, detection and wire rewinding production processes on one production line, and is high in production efficiency.

The invention relates to a pneumatic damping high-capacity pay-off device for a flat wire. The device comprises a frame which is provided with a sliding shaft. Supporting devices are arranged on the group on one side of the displacement frame at intervals. The device further comprises a rotary arm. One end of the rotary arm is sleeved on the sliding shaft while the other end of the rotary arm is connected with the supporting devices. The supporting device is structured by comprising a supporting base, wherein an idle wheel is installed at the bottom of the supporting base, a compression spring is installed on the idle wheel, a screw is connected to the supporting base, the screw is sleeved with a supporting rod, and the supporting rod is provided with a plurality of holes connected with one end of the rotary arm. An eccentric shaft is further installed on the rotary arm connected with the supporting device. A handle and a brake wheel which operate the eccentric shaft to rote are installed on the eccentric shaft. A pay-off disc is installed between a pair of supporting devices and is connected with the eccentric shaft. The rotary arm is further provided with a pneumatic control element, an air cylinder is further installed on the rotary arm on one side of the pneumatic control element, and an air cylinder head is connected with a brake belt matched in use with the brake wheel. The production efficiency is high.

The invention discloses an electric power overhaul equipment hoisting device. The electric power overhaul equipment hoisting device structurally comprises an intelligent lifting-fixing-adjusting device, a telescopic rod, a rotary seat, a device shell, a fixing bracket, a rotary seat adjusting cabin, moveable wheels, a control cabin and hydraulic pressure rods. The intelligent lifting-fixing-adjusting device is located on the upper surface of the telescopic rod and connected with the telescopic rod to an integrated structure in a welding mode. The telescopic rod is arranged on the upper surfaceof the rotary seat and movably connected with the rotary seat synchronously. The rotary seat is connected to the right side of the upper surface of the device shell in a clearance fit mode. The rotary seat adjusting cabin is parallel to the rotary seat located on the rear side of the rotary seat adjusting cabin and electrically connected with the rotary seat. According to the electric power overhaul equipment hoisting device, the purpose that displacement-limited with fixation of the device can be carried out during hoisting equipment working to enable the declining speed to be limited, at the same time, the device is more stable during paying off, and thus the hoisting equipment is more improved is achieved.

Provided in the invention is a pay-off device of a tubular strander. With the pay-off device, a wire breaking phenomenon can be avoided. The pay-off device comprises a pay-off cradle support, a pay-off plate, and an auxiliary guiding device. To be specific, the pay-off cradle support in a frame shape has a front wall, a rear wall, two side walls that are arranged at the two sides of the front wall and the rear wall and connect the front wall and the rear wall together; and a wire through hole is formed in the front wall. The pay-off plate includes a winding shaft wound with a lead and baffle plates arranged at the two sides of the winding shaft; and the pay-off plate is erected on the two side walls of the pay-off cradle support in a rotating mode. The auxiliary guiding device includes a guide roller support arranged at the rear wall of the pay-off cradle support vertically and a guide roller; the two ends of the guide roller are supported by the guide roller support and the guide roller can rotate freely; and the axial direction of the guide roller is identical with that of the winding shaft of the pay-off plate. A lead extends into the wire through hole by the guide roller from the pay-off plate.

The invention discloses a new type electric wire pay-off vehicle, which comprises a vehicle frame and a support column. The vehicle frame is arranged on one side of the support column. The vehicle frame is vertically arranged on the side wall of the support column and passes through the support column. Screws are fixed, a pay-off shaft is arranged between the support columns, one end of the pay-off shaft is arranged on the side wall of the support column, and is movably connected with the support column, and a shock absorber is provided on one side of the support column , the shock absorber is arranged horizontally on the side of the support column, and is closely attached to the support column. When the wire car is unwound, it has the effect of shock absorption and protects the construction personnel on site. The hook can be hung on the transport vehicle to drive the pay-off car and bring it to the construction site.

The invention discloses an OPGW optical fiber stainless steel welded pipe production line, which comprises a tape unwinding device, an optical fiber pay-off cabinet, forming equipment, a primary drawing die, a crawler tractor, a secondary drawing die, an excess length control device, and a main traction device arranged in sequence. Equipment, flaw detection equipment, tension control device and winding machine, the optical fiber pay-off cabinet is equipped with a pay-off motor, and the output shaft of the pay-off motor is equipped with an optical fiber pay-off reel. In the present invention, the optical fiber pay-off reel is directly set on the output shaft of the pay-off motor, the motor shaft is the pay-off shaft, the runout of the pay-off shaft is reduced, the optical fiber pay-off is stable, and the product cost is also reduced.

The invention discloses a cable winch with a hysteresis tension cradle frame. Both ends of the cradle frame body are rotatably connected to the winch frame through rotating shafts, and a collector ring is arranged on one of the rotating shafts. A hysteresis brake is provided, the collector ring is electrically connected to the hysteresis brake, a large synchronous wheel is connected to the coil, and the hysteresis brake drives the large synchronous wheel to rotate synchronously. The advantages of the present invention are: using the hysteresis brake to provide a stable damping method, to realize the constant and stable pay-off tension of the cable on the reel, the tension of each cable on each cradle frame remains consistent, and the cost of the hysteresis brake is one-time The investment and maintenance cost are almost zero; the trouble of manual adjustment in the later stage is eliminated; the tension adjustment is convenient, saves time and labor, and is intuitive and easy to understand. The tension on each cable is digitally displayed and can be adjusted in real time, which can meet Stranding requirements for highly flexible cables.

The invention relates to a passive pay-off rack. The technical problem that for a traditional passive pay-off rack, tension adjustment is inconvenient, and paying off is unstable can be solved. The passive pay-off rack comprises a pay-off rack main body which comprises a bearing frame, a bearing rod and a tension adapter, and a pay-off shaft is arranged under the tension adapter; the tension adapter comprises a transversely arranged threading plate and a longitudinally arranged swing rod, a cycloid gear is arranged on the top of the swing rod, the bottom of the swing rod is fixed to an elliptic bearing which is fixed in a shell, a circular bearing is fixed to the threading plate, the elliptic bearing and the circular bearing are tangently arranged, and the elliptic bearing is arranged above the circular bearing; the passive pay-off rack further comprises a vertical screw rod which is fixedly connected with the threading plate, the bottom of the vertical screw rod is fixedly connected with one end of a brake strap, the other end of the brake strap is fixed to the bearing rod, and a brake wheel is arranged on the upper portion of the brake strap and connected with the pay-off shaft.The passive pay-off rack is firm in structure, very small in abrasion loss and stable in pay-off tension.

The invention discloses a portable movable cable reel. The portable movable cable reel comprises hydraulic pumps, a left fixing seat, a hook, a right fixing seat, a connecting rod, starters, rolling wheels, a clamping strip and an oil injection hole, a left fixing seat is arranged on one end of the connecting rod, a right fixing seat is arranged on the other end of the connecting rod, the clamping strip is arranged on one side of a groove, the oil injection hole is embedded in the position, close to the upper end of the left fixing seat, of the other side of the groove, starters are arranged on one ends of the hydraulic pumps, and rolling wheels are arranged on the lower ends of the hydraulic pumps. The portable movable cable reel is scientific and reasonable in structure, safe and convenient to use; the left fixing seat and the right fixing seat are arranged so that a user can conveniently place a heavier cable reel, and the stability and the safety of the cable reel in the moving process are improved; the rolling wheels are arranged, so that the user can conveniently move the cable reel; and the oil injection hole is formed, so that the user can inject the engine oil into the oil injection hole to lubricate the groove, and the lubricating degree between a first rotating shaft and the groove is increased.

The invention discloses a coil tool unwinding cradle. The coil tool unwinding cradle comprises a left supporting device, a right supporting device and a limiting device. The left supporting device isarranged on a left arm of a cradle, and comprises an air cylinder and a left supporting shaft. The piston end of the air cylinder is fixedly connected with a fixing block, the fixing block is arrangedon a left arm of the cradle in a left-and-right slide mode, and the left supporting shaft is installed on the fixing block in a rotating mode. The right supporting device is arranged on a right arm of the cradle, and comprises a fixing plate, a magnetic powder brake and a right supporting shaft. The middle of the right supporting shaft is installed on a right arm of the cradle in a rotating mode,the left portion of the right supporting shaft stretches out of the right arm of the cradle and is located on the left side, the fixing plate is fixedly installed on the left portion of the right supporting shaft, and the right end of the right supporting shaft is connected with the magnetic powder brake. The limiting device is installed on the portion, close to the center, of the fixing plate, and comprises a sleeve, a compression spring and a locating rod. The axis of the right supporting shaft and the axis of the left supporting shaft are consistent, and a coil tool is arranged between theright supporting shaft and the left supporting shaft in a clamped mode. By the adoption of the coil tool unwinding cradle, unwinding operation of the coil tool is achieved, rapid installation of thecoil tool is achieved, unwinding tension adjustment is facilitated, and the efficiency is higher.

The invention relates to the technical field of communication, and provides a cable pay-off device for communication engineering. The cable pay-off device comprises a bearing plate, a first roller seat is fixed to the bearing plate, a driving roller is mounted on the first roller seat, a driving assembly for driving the driving roller to operate is arranged on the bearing plate, a second roller seat is arranged on the upper side of the bearing plate, a driven roller is mounted on the second roller seat, and an adjusting assembly for adjusting the position of the driven roller is further arranged on the bearing plate. According to the cable pay-off device for the communication engineering, the driving roller is driven to operate through a second motor, and the driving roller drives a winding reel to rotate so that a cable on the winding reel can be released; by moving a sliding block on a guide rod, the position of the driven roller can be adjusted, and the distance between the drivingroller and the driven roller is adjusted according to the specific size of the winding reel so as to be suitable for the winding reels of different sizes, and the application range is wide; and afterthe position is adjusted, a locking bolt is screwed to abut against the guide rod to fix the position of the sliding block.

The invention relates to a constant tension paying-off brake device and a using method thereof, and belongs to the technical field of production of enamel-cover winding wires for large-sized power transformers. According to the technical scheme, a height-adjustable supporting column (2) is provided with one or more placement holes, and a twistable nut (4) is arranged in the position holes of the height-adjustable supporting column (2); one end of an adjusting screw (5) is connected with the twistable nut (4) through a thread, the other end of the adjusting screw (5) is opened, the adjusting screw (5) is internally provided with a slide way communicated with the opening, one end of a slide rod (7) is slidably arranged in the slide way, the other end of the slide rod is hinged to a brake rod(8), and a spring (6) sleeves the adjusting screw and the slide rod; a brake sheet (10) is arranged at the top of the brake rod, the tops of two connecting rods are hinged to the brake rod, and the bottom of the two connecting rods are hinged to a base (1). According to the constant tension paying-off brake device, there is no need to provide compressed air for an air compressor, meanwhile, the requirement for the precision of a paying-off bobbin tool is not high, and a large amount of expenditure is reduced.

The invention discloses a setting out device for textile equipment with good damping effect. The setting out device for the textile equipment with the good damping effect comprises a base and a substrate fixedly arranged on one side of the top end of the base, a setting out mechanism is fixedly arranged at the top of one side of the substrate, the setting out mechanism is composed of a damping structure and a winding structure, the winding structure is located on the inner side of the damping structure and is movably connected with the damping structure, the damping structure is composed of two damping plates and a rotating shaft, one end of the rotating shaft is located in the middle part of one end face of one of the damping plates and is fixedly connected with the damping plate, and theother end of the rotating shaft penetrates through the middle part of the end face of the other damping plate and is connected with the other damping plate in a threaded mode. According to the setting out device for the textile equipment with the good damping effect, the winding structure rotates when the winding structure works, the damping effect of left side and the right side of the winding structure can be enhanced by arranging a damping assembly, a second damping spring can be arranged between the relative end faces of the hollow winding shaft by arranging a winding shaft with a hollowstructure, and when the winding shaft rotates, the anti-collision ability of the winding shaft can be enhanced.

The invention discloses an extrusion forming machine pay-off stand comprising a body (1), a driven wheel (2), a driving unit (3) and a transmission shaft (4). The transmission shaft (4) penetrates through the body (1), and the driven wheel (2) and the driving unit (3) are respectively arranged on the two ends of the transmission shaft (4). The end surfaces of the two sides of the driven wheel (2) are respectively provided with clump weights (5). The driving unit (3) can drive the driven wheel (2) to rotate in an axial direction around the transmission shaft (4) through the transmission shaft (4).

The invention belongs to the technical field of knitted fabrics, and in particular relates to a weft-knitted cotton and linen fabric and a production process thereof. The present invention has a small amount of high-denier cotton yarn and a relatively large amount of low-denier hemp yarn after blending, the fabric has sufficient softness, good air permeability and moisture permeability, good antistatic effect, and the respective advantages of cotton and hemp yarn are properly combined, and The circular weft knitting machine used in the weft knitting process has the advantages of stable pay-off of the upper bobbin, the bobbin is not easy to fall, the rotation is stable, the bobbin is easy to replace, the pay-off degree of the working bobbin is easy to check, and the whole weft knitting process has the advantages of high efficiency and convenient operation .