51results about How to "Stable traction" patented technology

The invention discloses a tin bath structure for glass production, which comprises a bath body and an inclined plate, a gear is fixedly arranged on the inclined plate, a rack is fixedly arranged on the bath body, the gear and the rack are in meshing transmission, when the thickness of molten tin is set according to different glass specifications, the inclined plate ascends or descends, and in the ascending and descending process, the thickness of the molten tin is adjusted. Through the meshing effect of a gear and a rack, an inclined plate rotates to adjust the angle of the inclined plate, meanwhile, a rotating rod rotates to enable a first traction roller and a second traction roller to slide through cooperation of a guide groove and a guide column, so that the distance between the traction rollers is adjusted, and the angle between the traction rollers is matched with the inclination angle of the inclined plate; according to the glass plate traction device, the inclined plate is arranged on the traction roller, so that when the traction roller pulls a glass plate, the glass plate can be smoothly pulled to the traction roller from the inclined plate, the deformation phenomenon of the just-formed glass plate in the traction process is reduced, and the glass plate is more stable in the traction process.

A single-roller traction device of a coating machine comprises a rack, a transition roller is installed on the front face of the rack, a traction roller, a tension adjusting roller, a tension detecting roller and a wrap angle adjusting roller are installed in the rack, supporting cross beams are connected to the left side and the right side of the rack, traction roller seats are connected to the supporting cross beams, and the traction roller is arranged between the traction roller seats. A gear motor is installed on the side face of the traction roller base and drives the traction roller to rotate, a first air cylinder is connected to the upper portion of the rack and controls the tension adjusting roller to swing, the two sides of the tension detecting roller are installed at the bottom of the supporting cross beam through pressure sensors, and the wrap angle adjusting roller is located below the traction roller. Glass fiber cloth penetrating out of the traction roller is wound on the wrap angle adjusting roller, and the wrap angle adjusting roller can move front and back. The included angle between the wrap angle adjusting roller and the traction roller is adjustable, the contact area of the glass fiber cloth and the traction roller is changed, the friction force is improved, smooth traction of the glass fiber cloth is ensured, meanwhile, only one traction roller is adopted, and the manufacturing cost is reduced.

The present invention relates to the field of spraying technology, and specifically discloses a high-efficiency spraying device for fabric production, comprising a frame and fabric arranged at the upper end of the frame, a spraying mechanism being arranged at one end of the top of the frame, the spraying mechanism comprising a spraying frame fixedly arranged at the upper end of the frame, the upper end of the spraying frame being hollow, and a spray pipe being movably connected to the inner side of the upper end of the spraying frame along the width direction of the frame, and nozzles being evenly arranged at the bottom of the spray pipe; and also comprising a traction assembly for traction of fabric displacement. The high-efficiency spraying device for fabric production can improve the uniformity of spraying through the mutual cooperation of the spraying mechanism, the traction assembly and the driving mechanism, and can also be pulled by negative pressure adsorption at the bottom of the fabric, so that the fabric and the traction roller are more tightly combined, thereby providing a stable traction force and reducing the slippage and displacement of the fabric during movement.

The utility model discloses a cable tractor convenient to adjust and position, which relates to the technical field of cable traction appliances and comprises a supporting box, limiting mechanisms are symmetrically arranged on two sides of the top of the supporting box, two pressing transmission boxes are symmetrically arranged on the top surface of the supporting box, and transmission motors are arranged at the lower ends of the pressing transmission boxes. According to the utility model, through the arrangement of the limiting mechanism, a cable can be better limited, so that the cable can be better pulled; the limiting mechanism is composed of a supporting frame, a fixed limiting rod and a movable limiting rod, the upper portion of the supporting frame is connected with the fixed limiting rod, a sliding groove is formed in the side end of the supporting frame, the movable limiting rod is arranged on the sliding groove in a sliding mode, and tightening and fixing nuts are arranged at the tail ends of the two sides of the movable limiting rod. And the limiting mechanism can be better adjusted to fix the cable, so that the vibration of the cable in sliding traction is reduced, and the traction of the cable is more stable.

This utility model belongs to the technical field of corrugated cardboard processing equipment, and in particular to a corrugated cardboard flattening device. A flattening roller for flattening the corrugated cardboard is arranged directly above the support roller. Three support rollers and three flattening rollers are provided, and each pair corresponds to one support roller. A geared motor for providing power is installed on the side of the frame. A pulley frame for power transmission is installed between the output shaft of the geared motor and the end of one of the support rollers. A pressure adjusting component is provided between the frame and the flattening roller. This component can be adjusted by telescoping to directly change the pressure of the flattening roller on the corrugated cardboard. The operator can adjust the flattening pressure in real time according to the thickness, flute type, and material hardness of the cardboard: for thicker, harder double / triple corrugated cardboard, the pressure can be increased to ensure a smooth surface; for thinner, easily deformable single / E-flute cardboard, the pressure can be reduced to avoid corrugation crushing.

The application discloses a wave energy power generation device, and belongs to the technical field of wave energy power generation.The device comprises a floating ball shell for floating on the water surface, a wave sail assembly, a power generation assembly arranged in the floating ball shell, and a locking assembly arranged between the floating ball shell and the wave sail unit.The wave sail assembly comprises a plurality of wave sail units arranged around the center plane of the floating ball shell, and the wave sail units are hinged to the floating ball shell.The power generation assembly comprises a plurality of power generation units arranged along the radial direction of the floating ball shell, a heavy ball arranged at the center of the floating ball shell, and a cable.The heavy ball is connected to the plurality of power generation units through the cable, and the heavy ball can be driven by force from different directions to generate power for the corresponding power generation units.The locking assembly can lock the wave sail units on the wave-encountering side to receive the wave energy to the maximum extent.The device can reduce the resistance of the side wings, reduce the loss of wave energy, collect energy from different directions, and improve the utilization rate of wave energy.

The utility model relates to a material receiving device of a bamboo breaking machine, which belongs to the technical field of bamboo breaking machines and comprises a rack, a driving mechanism is fixedly mounted at the top of the rack and comprises a motor, a screw rod, a screw rod screw block, a guide rod and a sliding block, a moving platform is fixedly mounted at the top of the driving mechanism, and a bottom supporting mechanism is fixedly mounted in the center of the top of the moving platform. Elastic clamping mechanisms which are symmetrically distributed are arranged on the two sides of the bottom supporting mechanism. The bamboo strip cutting device has the beneficial effects that after a bamboo tube is broken by a blade, a bamboo strip continues to move forwards to approach the elastic clamping mechanism under the action of driving thrust, and when one end of the bamboo strip extends into the elastic clamping mechanism at the rear end, the elastic clamping mechanism starts to fold and fix the broken bamboo strip towards the middle; the bottom supporting mechanism is used for providing upward supporting force, then the driving mechanism is used for driving the moving platform to move in the horizontal direction, the bamboo chips can be stably pulled out of the bamboo breaking machine in a centering mode, and the breaking and cutting effect is guaranteed.

The invention belongs to the field of textile technology, and particularly relates to a pure cashmere wrapped yarn and a processing technology thereof, wherein the process steps are as follows: S1, preparing two winding wires and a first covered wire and a second covered wire; S2, winding the two winding wires in an 8-shaped manner to form a core wire; S3, arranging the core wire and the first covered wire on a twisting machine, and the first covered wire is spirally wound on the core wire in a clockwise direction to form a first core sleeve; S4, the yarn processed by step S3 is not disassembled, and the first covered wire on the spindle is replaced by the second covered wire, the winding directions of the second covered wire and the first covered wire are opposite, and the second covered wire is spirally wound on the first core sleeve to form the second core sleeve, and the wrapped yarn is thus formed; in the present invention, when transitioning from step S3 to step S4, it is only necessary to replace the first covered wire with the second covered wire, and the wrapping process can be carried out without disassembling and installing the yarn, thereby greatly increasing the processing efficiency of the wrapped yarn.

This utility model relates to the technical field, specifically to an HDPE pipe traction device, including a U-shaped base. Movable plates are slidably connected to the top two ends of the U-shaped base, and a clamp is provided on the top of the movable plate. Crossbars are fixed to both sides of the movable plate. This utility model supports the bottom of the pipe by setting up the support plate, while the clamp on the support plate can fix the middle or the other end of the pipe. This restricts pipe displacement, ensuring the pipe remains straight during connection and improving connection accuracy. It also reduces the pulling force on clamp one, distributing some of the pulling force and reducing the load on clamp one, thereby reducing the chance of slippage and ensuring smooth traction. This eliminates the need for repeated pipe tightening by personnel, improving convenience during use. Furthermore, since the sliding plate can slide on the crossbars, the positions of the support plate and clamp two can be adaptively adjusted according to the pipe length.

The invention relates to the technical field of engineering machinery, and discloses a self-walking insulation lifting platform which comprises a chassis serving as a supporting carrier of the whole device, two special tracks are installed at the bottom of the chassis, and the special tracks are used for providing excellent traction force and ensuring stable walking of the whole platform on various complex grounds; the lifting assembly is installed at the top of the chassis and used for adjusting the height of the platform, a top plate is installed at the top of the lifting assembly, and fixing rods are installed at the four corners of the top of the top plate; the adjusting assembly is installed on the inner side of the fixing rod, and the adjusting assembly is used for adjusting the height of the handrail; and the control box is mounted on one side of the chassis. By additionally arranging the automatic leveling module, the inclination angle of the platform can be monitored in real time, the height and posture of the platform can be automatically adjusted according to the ground condition, and it is ensured that the platform can be kept in the horizontal state under any ground condition.

The device comprises a base, a fixed frame and a movable frame are arranged at the left end and the right end of the top of the base respectively, a fabric winding drum is arranged between the opposite sides of the fixed frame and the movable frame, and a positioning mechanism is arranged at the bottom of the movable frame. A first connecting piece is arranged on the right side of the fixed frame, a second connecting piece is arranged on the left side of the movable frame, and guide assemblies are arranged in the first connecting piece and the second connecting piece. The two guide assemblies each comprise an installation groove, the inner top walls and the inner bottom walls of the first connecting piece and the second connecting piece are each provided with an installation groove, and the left inner wall and the right inner wall of each installation groove are each provided with a sliding groove. According to the device capable of conveniently collecting the textile printing fabric, by arranging the first connecting piece, the second connecting piece and the positioning mechanism, disassembling and fixing of the fabric winding drum can be achieved, another fabric winding drum can be conveniently replaced, and the fabric winding drum is easy and rapid to install and replace.

The utility model relates to a traction mechanism for transporting a semitrailer, which belongs to the technical field of trailer traction buffering and comprises a trailer bottom plate, a buffering and damping mechanism is arranged on the front side of the trailer bottom plate, the buffering and damping mechanism comprises two sliding rails which are fixedly mounted on the front side of the trailer bottom plate, and pulleys are movably connected to the outer sides of the sliding rails. According to the traction mechanism for transporting the semitrailer, when the trailer stops normally, the trailer can collide and impact the inner wall of the bottom plate of the trailer, when a connecting plate collides with a buffer pad, the buffer pad is stressed and collapses, so that the impact force of the buffer pad on stopping is reduced to a certain degree, meanwhile, a buffer rod is stressed to drive a movable plate to move, and therefore the trailer can stop normally. And the buffer springs are compressed, so that the acting force of the buffer springs on impact is further reduced, the trailer can be prevented from directly impacting the inner wall of the trailer bottom plate body, damage caused by too large inertia is avoided, the safety of the device is greatly improved, and the practicability of the device is improved.

The utility model discloses a composite fiber multi-thread-end stretching traction device, and relates to the technical field of composite fibers. The composite fiber multi-thread-end stretching traction device comprises a fixing frame and an adjusting assembly, U-shaped plates are fixedly installed on the inner walls of the two sides of the fixing frame, the adjusting assembly is arranged on the U-shaped plates, the adjusting assembly comprises a movable plate, upper traction rollers, fixing frames, stand columns and sliding blocks, the fixing frames are arranged on the two sides of the movable plate, and the stand columns are arranged on the upper traction rollers. Stand columns are fixedly installed at the top and the bottom of the inner side of the fixed frame, sliding blocks are slidably installed on the stand columns, one sides of the sliding blocks and one sides of movable plates are fixedly installed, and upper traction rollers are rotationally installed on the inner walls of the two sides of the movable plates. Through the arrangement of the adjusting assembly and the elastic design of the spring, the upper traction roller can automatically adjust the clamping force according to the thickness of a composite fiber thread end, so that the upper traction roller adapts to thread ends of different sizes, clamping stability is ensured, vibration and impact in the traction process can be reduced through the buffering effect of the stand column, and it is ensured that the traction process is stable.

The utility model provides a kind of flat foot hallux valgus correction shoes for correcting hallux valgus and limiting foot sole simultaneously, to solve above technical problem, the utility model provides following technical scheme, including the shoe sole for supporting foot and the upper for limiting foot position, shoe sole includes heel support part, foot sole support part and toe support part, the heel support part is downward concave structure, and the toe support part is provided with the traction piece that protrudes upwards at the position corresponding with the inside of big toe, traction rope for the traction of big toe outward is connected to the upper end of traction piece, the winding device for winding traction rope is equipped on the outside of upper, and the side of foot sole support part and the position corresponding with big toe is provided with the guide boss that protrudes upwards for limiting the inside of foot sole.

The utility model discloses a kind of dredging and transporting tugboats for water conservancy project, including bucket structure, the bucket structure is provided with two, traction rope is installed between two the bucket structure, the head of the traction rope meets the tail;Support device, the support device is installed between two the bucket structure, hull, the hull is elastically installed by the support device;The most core advantage of the utility model is in that the cooperation design of closed loop traction rope and hollow shaft tube with head meeting tail is adopted.This makes the tugboat in operation without needing to carry out any steering operation, i.e. can receive traction from any end.In narrow, serpentine river, this design completely solves the pain point of traditional tugboat steering difficult, time-consuming, realizes "with tow with go", and the round trip operation efficiency is improved several times.

The utility model relates to the technical field of goods elevator car accessory production, in particular to a punching tool for goods elevator car anti-collision strip production, which comprises an unwinding mechanism, an anti-breaking clamping mechanism, a pressure bearing mechanism and a punching mechanism, the anti-breaking clamping mechanism is arranged between the unwinding mechanism and the pressure bearing mechanism, and the punching mechanism is arranged above the pressure bearing mechanism; the pressure bearing mechanism comprises a pressure bearing seat and conveying seats arranged on the two sides of the pressure bearing seat, a row of conveying transverse grooves are jointly formed in the pressure bearing seat and the conveying seats, a punching longitudinal groove is formed in the pressure bearing seat, driven rotating shafts are movably supported in two lug seats on the upper sides of the conveying seats, and a row of friction rolling wheels are installed on the driven rotating shafts. The anti-breaking clamping mechanism is used for clamping and conveying the anti-collision strip pulled out from the unwinding mechanism to the pressure-bearing mechanism, and after the punching mechanism cuts off the anti-collision strip in the pressure-bearing mechanism, broken materials can be smoothly pulled forwards under the pushing of friction rollers of the anti-breaking clamping mechanism and the pressure-bearing mechanism. And smooth continuous punching is guaranteed.

The utility model relates to the technical field of industrial gate driving auxiliary structures, in particular to an industrial gate sliding contact line traction floating seat, which comprises a traction seat and a floating seat, the traction seat comprises a vertical mounting rod and a polished shaft, the floating seat comprises a guide rod, a guide wheel, a floating sleeve and a floating wheel, the floating sleeve is sleeved on the polished shaft, and the floating wheel is sleeved on the vertical mounting rod. One side of the floating sleeve is fixedly connected with a guide rod, two guide wheels are arranged on the side, away from the floating sleeve, of the guide rod at a certain distance, the two guide wheels are distributed on the upper side and the lower side of a guide rail on an industrial gate, and the upper end of the guide rod is connected with a sliding contact line current collector pulley through a steel wire rope. And the two floating wheels in the pair of floating wheels are distributed on the two sides of the vertical mounting rod. According to the utility model, in the operation process of the industrial gate, the sliding contact line traction seat does not drag the sliding contact line current collector pulley due to the floating of the upper guide rail, so that the sliding contact line traction seat provides a stable traction force for the sliding contact line current collector pulley.

The utility model discloses a transfer device for composite fiber preparation, including rotating car, the top fixed connection of rotating car has installation sleeve, the inside splicing of installation sleeve has the limit support, the one side fixed connection of limit support has the installation support board, and the one side fixed connection of installation support board away from limit support has the limit spring, and the other end fixed connection of limit spring has the fixed support board, and the one side fixed connection of fixed support board close to limit support has the limit clamp, and the inside of limit clamp stretches to the product position limiting of limit support, and the surface fixed connection of fixed support board has the damper rod, and the surface sliding connection of damper rod has the damper sleeve, and the outer wall of damper sleeve is equipped with limit spring. The utility model discloses through pulling fixed support board cooperation limit spring's telescopic to drive limit clamp to place the product between rotating car and limit support and carry out left and right position's position limiting and fixed, has increased the flexibility and the flexibility of moving when the flexibility of the whole use of equipment.

The present application relates to the technical field of traction device, in particular to a simple and detachable traction device in fracture surgery, which comprises a folding mechanism installed at one end of a patient's bed for adjusting the length of traction according to the length of the patient's lower limbs, an adjusting mechanism installed on the folding mechanism for self-adaptive adjustment according to the angle of traction of the patient's lower limbs, and a traction mechanism installed on the folding mechanism for improving the stability of the traction weight. The device is composed of the folding mechanism, the adjusting mechanism and the traction mechanism, and is unfolded or recovered through mutual folding and sliding. Compared with the traditional traction device which is assembled separately by taking a large number of connecting pieces off the placing rack, the device has the effects of convenient and quick disassembly and small floor area. Meanwhile, the setting of the traction mechanism further improves the stability of the traction weight, reduces the influence of external force on the traction weight, and enhances the stability of the device in traction angle.

The present invention provides a catwalk pipe column transportation system. During the transportation process, the tail end of the pipe column is placed on the pulley device; the driver is started to drive the movable pulley group to move away from the first fixed pulley group. Since the first pull rope is sequentially wound around the movable pulley group and the first fixed pulley group and fixed on the pulley device, the first pull rope will pull the pulley device under the action of the fixed pulley group to make it move on the slideway body. When the pulley device moves to one end of the slideway body, the tail end of the pipe column is unloaded through the pulley device, so that the pipe column slides out of the slideway body. The pipe column transportation system is provided with a pulley device on the slideway body to avoid dry grinding of the pipe column directly on the slideway body, effectively protect the thread of the pipe column, extend the life of the thread, and reduce the cost of drilling and repairing. At the same time, the traction of the pulley device is completed by the cooperation of the first pull rope, the first fixed pulley group and the movable pulley group, ensuring that the traction action of the pulley device on the slideway body is more stable, so that the pipe column is stably transported.

The invention relates to the technical field of pay-off equipment with a wire shifting mechanism, in particular to a pay-off device with a wire shifting mechanism, which comprises a first support mechanism, a driving pay-off mechanism, a second support mechanism, a third support mechanism, a wire rod mechanism and a wire shifting mechanism, the driving pay-off mechanism is provided with a pay-off motor, a rotating shaft, a connecting frame and a guide wheel; the pay-off motor is fixedly connected with the first supporting mechanism, one end of the rotating shaft is connected with the first supporting mechanism in a rotating mode, the connecting frame is fixed to the outer wall of the rotating shaft, the wire rod mechanism is provided with a pay-off frame, and the wire shifting mechanism is fixedly connected with the pay-off frame and provided with a wire shifting block. Through cooperation of the active pay-off mechanism and the wire rod mechanism, synchronous pay-off of wire rods is achieved, the wire rods can be conveniently hoisted and placed for feeding, meanwhile, the additionally arranged wire shifting mechanism enables the wire rods to move along with the wire drawing speed, the traction force of the wire rods is more stable, deformation caused by excessive traction of the wire rods is reduced, and the wire rod drawing quality is improved. And the wire drawing quality of the wire drawing machine is ensured.

The invention relates to the technical field of power equipment, and discloses a stringing construction device for power equipment installation, which comprises a base, a pay-off mechanism and a stringing platform. The pay-off mechanism is used for paying off a cable; the adjusting assembly comprises an arc-shaped guide rail, a swing seat, a transmission mechanism and a first bearing plate installed on the swing seat. The arc-shaped guide rail and the arc-shaped rack extend to the stringing platform in the circumferential direction of the paying-off mechanism. The swing seat is in sliding fit with the guide rail and can circumferentially slide in a reciprocating manner around the pay-off mechanism; a first driving motor of the transmission mechanism drives a first gear to drive a swing seat to move through meshing with an arc-shaped rack; the clamping mechanism on the first bearing plate is used for clamping and assisting in dragging the cable, and directional adjustment and erection of the cable are achieved. According to the device, the range of stringing operation can cover more installation areas, and the applicability of stringing operation is improved.

This utility model discloses a spine dam with a rinsing structure, belonging to the field of dam technology. This spine dam with a rinsing structure includes a spine dam body, a moving mechanism, and a cleaning mechanism. The moving mechanism includes a pair of support frames, the bottom ends of which are respectively connected to the upper sides of the spine dam body. A slide rail is fixedly installed between the pair of support frames, and a moving block is slidably installed inside the slide rail. The cleaning mechanism includes a fixed frame, with slide rods installed on both sides of the upper end of the fixed frame. A pair of slide rods are slidably connected to the sides of the moving block. A first guide rail is fixedly installed on one side of the fixed frame, and a power box is slidably installed on the first guide rail. One end of the power box is rotatably connected to a mounting frame. A first waterproof electric telescopic rod is fixedly installed on one side of the mounting frame, and a connecting frame is fixedly installed on one end of the first waterproof electric telescopic rod. A cleaning roller is rotatably connected to the bottom end of the connecting frame. This utility model can effectively improve the practicality of the spine dam.

The application discloses a cable processing threading machine, and relates to the technical field of cable processing, which comprises a workbench, a traction assembly, a touch panel, a fixed rack and a movable rack, and further comprises two groups of threading assemblies, each of which comprises a top plate, a limiting piece, a flexible rope and a plurality of threading blocks. Through the improved combination state of the threading blocks and the cooperation of the flexible rope, all the drooping threading blocks can be quickly and synchronously reset to a horizontal linear type through the "pulling" action of the flexible rope. For multi-core gray cable, the original scheme needs to be manually pushed back block by block, while the present scheme only needs to be pulled once, and the operation time is shortened from minutes to seconds. The flexible rope allows the threading blocks to freely find the lowest energy state under the action of gravity, and even if the gap between the plug-in surfaces changes due to slight wear, the V-shaped state can still be naturally formed, reducing the operation difficulty of the user.

The present invention relates to the technical field of tree cutting and baling, and specifically discloses a felling and baling device for forest tending, including a gathering and baling mechanism, a traction mechanism and a cutting mechanism; the gathering and baling mechanism includes a first support seat, and two groups of symmetrical clamping frames are respectively hinged on the top of the first support seat; the two groups of clamping frames are used to clamp and fix the trees; the traction mechanism includes a second support seat, and the second support seat is arranged on one side of the adjacent first support seat, and the top of the second support seat is fixedly connected to a first drive motor, and the output shaft of the first drive motor is connected to a drive disk, and a traction rope is wound around the drive disk, and the end of the traction rope away from the drive disk is fixedly connected to a clamping disk for fixing the tree. The purpose of the present invention is to provide a felling and baling device for forest tending to solve the technical problem of low baling efficiency when facing trees with longer and thicker trunks.

A closed series anti-skid running hydraulic system for railway engineering machinery includes a running oil pump, an oil replenishment valve group, a hydraulic motor 1 and a hydraulic motor 2; the hydraulic motor 1 and the hydraulic motor 2 are connected in series to the running oil pump through an oil supply pipeline and an oil return pipeline; the hydraulic motor 1 and the hydraulic motor 2 are connected to the running wheel pair; the oil replenishment valve group is an integrated valve group, the X1 port on the valve seat of the oil replenishment valve group is connected to the A2 port of the hydraulic motor 1, the X2 port on the valve seat of the oil replenishment valve group is connected to the B3 port of the hydraulic motor 2, and the X3 port on the valve seat of the oil replenishment valve group is connected to the A3 port of the hydraulic motor 2; the oil replenishment valve group includes a three-way flow valve and a control valve group, the output port A10 of the three-way flow valve is connected to the X3 port on the valve seat of the oil replenishment valve group, and the input port A8 and the control port A9 of the three-way flow valve are respectively connected to the control valve group. The oil replenishment valve group provides a certain amount of oil replenishment flow between the series motors to prevent the hydraulic motor from being pulled and slipping due to air suction.

The present invention discloses a superconducting magnet system and method for esophageal atresia traction, wherein the system includes: a superconducting magnet device, a movable plate, a bracket and a ferromagnetic core; the movable plate is movably arranged inside the center hole of the superconducting magnet device, the bracket is fixedly connected to the superconducting magnet device, the ferromagnetic core is placed inside the center hole of the superconducting magnet device and inside the esophageal atresia target; the superconducting magnet device is used to generate a uniform magnetic field and a gradient magnetic field inside the center hole; the ferromagnetic core is used to provide traction for the esophageal atresia target under the uniform magnetic field and the gradient magnetic field. The present application combines a uniform magnetic field and a gradient magnetic field through a superconducting magnet device, so that the traction direction and size provided by the ferromagnetic core to the esophageal atresia target are adjustable, thereby improving the traction strength, control flexibility and control accuracy of the ferromagnetic core.

The utility model discloses a plate traction machine, relates to the technical field of plate production, and solves the problems that in the plate conveying process of an existing plate traction machine, due to the fact that the sizes of plates conveyed by the traction machine are inconsistent, and the plates are prone to slipping off in the traction process, a traction machine body cannot conduct normal traction on the plates, the traction effect is poor, and the traction efficiency is high. And the plate conveying working efficiency is reduced. Comprising a body and a conveying mechanism; the conveying mechanism comprises a lifting rack arranged in the machine body and a conveying belt arranged in the lifting rack. The adjusting structure comprises a pair of limiting side baffles arranged on the conveying belt, an adjusting plate arranged on the back faces of the limiting side baffles and an adjusting seat arranged on the lifting rack; according to the utility model, the synchronous servo motor is used for driving the guide rollers to rotate, so that limiting conveying is realized, plates can be effectively prevented from slipping off in the traction process, and the plates can be stably pulled, thereby improving the conveying and traction working efficiency of the plates.

The utility model relates to a adjustable speed electric type threading device belongs to electric wire threading equipment technical field, including winding frame, reel, towrope, driving part, guide pipe and butt joint hose, the reel rotation sets up on winding frame, and the extension of one end of its pivot, and drive part transmission connection, the guide pipe sets up as the arc shape that bends from top to bottom, and guide pipe is fixed on winding frame, and the outgoing line of reel corresponds with the adaptation of guide pipe upper end, and guide pipe lower end extends to the outside, and the lower end of guide pipe is connected with butt joint hose, the towrope winding sets up on reel, and one end of towrope passes through guide pipe and butt joint hose and extends to the outside, the utility model solves the problem that the construction personnel cannot grasp the pulling strength, leads to the abrasion of electric wire pipe to electric wire, and the towrope will shake, leads to the abrasion of electric wire pipe to electric wire, cannot guarantee the construction quality problem.