48 results about "Traction - action" patented technology

The invention discloses a sitting type lumbar traction chair and a matching device thereof, and relates to the field of furniture and the field of health care instruments. The sitting type lumbar traction chair is a conceptual invention and comprises two main parts: one part is a chair with a hanging mechanism, such as double guide rails, and the chair can be a chair in any form; and secondly, the waist support belt is provided with a hook, and the waist support belt part can be in any form, such as a hard type, a soft type and the like. A user wears the waist protecting belt, the hook is hung on a hanging mechanism of a chair, a half-sitting half-hanging state is achieved, and therefore the traction effect on the lumbar vertebra is achieved. The ratio of sitting to hanging can be adjusted by adjusting the distance between the waist support belt and the chair surface, so that the traction force is adjusted. The distance between the waist support belt and the chair surface can be adjusted in four modes; the length of the hook on the waist support belt is changed; a liftable seat surface of the chair; a cushion; a certain angle is formed between the two guide hanging rails of the hanging mechanism, when the position is moved, the waist support belt ascends, and the traction force is increased.

The invention relates to the technical field of medical instrument control, in particular to a massage traction dynamic parameter cooperative control method, which comprises the following steps: S1, collecting real-time three-dimensional motion trails of each segment of a spine and stress distribution and deformation data of soft tissues in a target area; s2, calculating a deviation value between a current traction action and a target state, and generating a cooperative adjustment instruction of traction force, angle and frequency; s3, the traction direction is adjusted according to the traction force adjusting instruction in the S2; s4, modulating and controlling the intermittent frequency of the traction action; s5, if the deformation rate exceeds a preset safety threshold value, triggering a dynamic compensation mechanism; s6, forming a personalized traction scheme for the current patient; according to the spine traction control system and method, personalized spine traction control is achieved by monitoring the spine movement track and soft tissue stress changes in real time and dynamically adjusting traction force, angle and frequency, and therefore the treatment effect is remarkably improved, and the soft tissue injury risk is reduced.

The utility model discloses forming support convex hull forming equipment, and relates to the technical field of stamping equipment, the forming support convex hull forming equipment comprises an equipment body and further comprises a forming mechanism, the forming mechanism comprises a fixing frame, the fixing frame is arranged at the bottom of the equipment body, and an adjusting screw rod is arranged on the inner wall of the bottom of the fixing frame; the outer sides of the two ends of the adjusting screw rod are sleeved with movable seats, traction plates are installed on the tops of the two movable seats, an installation plate is installed on the tops of the two traction plates, a protruding plate is arranged on the top of the installation plate, and a fastening pin is arranged between the installation plate and the protruding plate. The two movable seats can be driven to move oppositely through rotation of the adjusting screw rod, the mounting plate can be driven to move upwards through the traction effect of the traction plate, then the upwards-protruding part of the protruding plate can be adjusted, the height of the convex hull can be conveniently adjusted according to the requirement, and the working efficiency is improved. And the working efficiency of the bracket convex hull forming equipment can be improved.

The invention relates to the technical field of medical apparatus and instruments, and discloses a tissue retractor which comprises a handle part, a first guide rod and a second guide rod, the first traction structure comprises a first traction rod and a first traction claw, a first sliding sleeve is arranged at one end of the first traction rod, the second traction structure comprises a connecting rod, a second guide rod, a second traction rod and a second traction claw, and a first sliding groove extending in the second direction is formed in the top of the first traction rod; the connecting rod is provided with a second sliding groove which extends in the first direction and allows the sliding table to stretch into, the end of the second traction rod is provided with a second sliding sleeve which is connected with the second guide rod in a sleeved mode and is in sliding fit with the second guide rod, the second traction claw is connected to the other end of the second traction rod, and the two second traction structures are arranged on the first traction structure in parallel. The retraction depth of the first retraction claw is the same as or different from that of the second retraction claw, the first retraction claw is used for carrying out traction action in the first direction, and the second retraction claw is used for carrying out traction action in the first direction or the second direction.

The present invention discloses a blank turning hoist for processing aerated building blocks, comprising a fixed frame, a movable frame and a hoisting structure, wherein a traction mechanism is installed on the fixed frame, wherein the traction mechanism is interconnected with a cleaning mechanism, wherein the traction mechanism is interconnected with a protective mechanism, and wherein the protective mechanism is fixed on the movable frame. The blank turning hoist for processing aerated building blocks adopts a pulley traction mechanism, which can realize the hoisting and traction of heavy objects under a relatively small traction force, thereby effectively avoiding damage to the motor, and cooperates with a linked elastic snap-fit ​​protective mechanism, which can realize the locking and positioning protection of the device when the wire rope breaks during the operation of the device, thereby avoiding the occurrence of safety accidents caused by the direct fall of the device, and ensuring the safe operation of the device, and cooperates with a linked cleaning mechanism, which can avoid the adhesion of gravel and foreign matter to the wire rope during the processing process to increase friction, thereby extending the service life of the wire rope.

The utility model discloses a distal radius fracture splint in the technical field of medical equipment, which comprises two groups of palmar dorsal side splints and two groups of ulnar radioulnar side splints, aluminum plates are arranged in the palmar dorsal side splints and the ulnar radioulnar side splints, and the aluminum plates are wrapped by high polymer materials; according to the scheme, by means of the structural arrangement of the ulnar radioulnar side splints, the lengthened bent end is arranged in front of the horizontal end, the horizontal end and the bent end are designed to form an angle, the splints can adapt to palmar flexion position (Colles fracture) or dorsal extension position fixation (Smith fracture) during clinical application, meanwhile, the traction rod is installed between the two ulnar radioulnar side splints, and when a patient makes a fist, the traction rod can be used for traction of the ulnar radioulnar side splints. The traction rod is held by a hand to enable the whole splint to move towards the near end, the front arm is conical, and the muscle of the front arm is raised when a fist is clenched, so that the splint has the tendency of moving towards the far end, and the two groups of forces interact to generate a traction effect to pull a fracture end, so that the fracture end is prevented from overlapping and moving.

The invention relates to the technical field related to medical treatment, in particular to a stroke patient body position auxiliary keeping device which comprises a bed body and a bottom pad arranged on the bed body and further comprises two sets of lifting mechanisms, the two sets of lifting mechanisms are symmetrically arranged on the bed body and connected with the two sides of the bottom pad respectively, the lifting mechanisms can execute traction action on the bottom pad, and the lifting mechanisms are arranged on the bed body and connected with the two sides of the bottom pad respectively. The two sets of lifting mechanisms are respectively connected with a set of filling mechanism, and the filling mechanisms are used for filling a gap between the bottom pad and the back of the patient after the patient finishes leaning on the side; according to the innovative design, the side-leaning assisting function, the supporting assisting function and the inflation function are ingeniously combined into one, a new way is opened up for the field of patient nursing, when healthy side-lying position nursing is carried out on a stroke patient, manual operation of medical staff is not needed completely, and the nursing efficiency is improved. Therefore, the working intensity of medical staff is relieved to a great extent, and the convenience and the high efficiency of medical work are remarkably improved.

The utility model relates to the field of pipe production, in particular to a novel pipe traction machine which comprises a machine body, a first traction structure and a second traction structure, the first traction structure and the second traction structure are sequentially arranged in the middle of the top of the machine body, the first traction structure comprises two conveying structures, and the two conveying structures are symmetrically arranged in the vertical direction. The pipe is clamped between the two conveying structures and moves forwards along with rotation of the conveying belt, the traction effect is achieved, an arc-shaped groove is formed in the middle of the conveying belt, the pipe can be clamped, and the pipe is prevented from slipping and rolling on the conveying belt, the second traction structure comprises a second mounting base and two traction wheels, and the two traction wheels are symmetrically arranged in the horizontal direction. The height of the traction wheel is consistent with the height of the conveying structure located on the machine body, the second traction structure determines the entering height and position of the pipe, and the pipe feeding device is suitable for being used for pipes of different sizes.

The invention discloses a spine repairing bed and a control method, and relates to the technical field of medical rehabilitation equipment. The terahertz physiotherapy assembly realizes longitudinal reciprocating motion through the linear guide rail; the traction and swing assembly transmits the transverse swing and traction effect generated by the swing mechanism to the lower limb and / or shoulder fixing piece; the spine loosening and rolling device is provided with an adjustable rolling component; the vertebra pressing physiotherapy device comprises a telescopic pressure column and a detachable and replaceable pressing block with a concave contact surface. The physiotherapy control system performs closed-loop control on traction force, swing frequency and amplitude, rolling driving force and displacement and terahertz output power and moving speed based on multi-sensor data, constructs a safety index to realize cross-component safety interlocking, and performs automatic linkage to reduce multiple outputs or shutdown when monitoring parameters exceed a threshold value or a change rate exceeds a limit. According to the invention, integration, intellectualization and cooperative safety protection of various physical rehabilitation means are realized, and the system is suitable for systematic rehabilitation treatment of spinal diseases.

The utility model relates to a cable mounting device and a robot. The cable mounting device comprises a mounting plate and a traction fixing part, the mounting plate is used for being mounted and fixed to a preset position, the traction fixing part comprises a traction plate, a fixing hole penetrating in the thickness direction of the traction plate is formed in the traction plate, the fixing hole is used for fixing a cable, and the traction plate is used for achieving the traction effect on the cable. According to the cable mounting device and the robot, the cable is fixed through the traction fixing part, cable binding can be achieved in a narrow space in the mechanical arm, the problem that the cable is difficult to fix in the narrow space is solved, the cable is pulled through the arrangement of the traction plate, the risk of cable friction is reduced, and the cable mounting efficiency is improved. Therefore, the cable can be fixed and pulled conveniently.

The application provides a long-stroke synchronous track which can maximize the moving distance of the movable track, so as to completely pull out the drawer, and is convenient for disassembly, maintenance and taking and placing of articles; the long-stroke synchronous track comprises two groups of slide rail assemblies which are oppositely arranged, each group of slide rail assemblies comprises a fixed track, a movable track and a middle track which bridges the fixed track and the movable track, a rack shell is sleeved outside the fixed track, a gear of the rack shell is engaged with a gear wheel, the gear wheels in the two groups of slide rail assemblies are connected through a synchronous rod, the gear wheel is installed on the middle track, a traction transmission mechanism is installed on the middle track, the movable track is connected with the traction transmission mechanism, and the movable track and the middle track can make synchronous and same-direction pushing and pulling movement under the traction of the traction transmission mechanism.

The present application relates to the field of physical therapy equipment, especially to a kind of spinal step quantitative traction physiotherapy control system based on closed-loop force feedback, the system includes: data acquisition module, real-time traction force value, electromyographic signal data, displacement rate of change between traction bed movable bed plate and traction bed fixed bed body are collected;Traction bed drive module, according to the traction force control instruction output by self-learning fuzzy logic controller, execute traction action to traction bed body;Self-learning fuzzy logic controller, according to real-time traction force value, electromyographic signal data, displacement rate of change and the pain level signal feedback by the object to be traction, using step traction strategy, generates traction force control instruction, traction force control instruction is set to use the fuzzy parameter adjustment model pre-constructed based on neural network and fuzzy inference, dynamically generated by updating the shape parameter of membership function of first fuzzy logic rule.The present application effectively improves the self-adaptability and accuracy of traction force regulation.

The utility model relates to the technical field of furniture, in particular to an electric rocking chair frame based on elastic traction, which comprises a base, a seat frame, a rocking component, a leisure driving mechanism and an elastic traction group, the two sides of the seat frame are each movably connected with the base through a swing assembly so that the seat frame can be suspended relative to the base. The leisure driving mechanism is installed on the base, one end of the elastic traction set is connected with the base or the leisure driving mechanism, and the other end of the elastic traction set is connected with the seat frame. The leisure driving mechanism can drive the elastic traction group to generate elastic stretching so as to pull the seat frame to swing relative to the base. The electric rocking chair frame is simpler in structure and lower in manufacturing cost; besides, the elastic traction group generates traction effect on the seat frame when elastic deformation occurs, so that the seat frame can swing more smoothly, is not blocked and is low in noise, and the rebound of the elastic traction group after the elastic deformation also can pull the seat frame to swing.

The invention relates to the technical field of skeleton traction, in particular to a skeleton correction traction device.The skeleton correction traction device comprises a supporting base and a lying plate fixedly installed on the top face of the supporting base, a sliding frame penetrates through the side face of the supporting base, and a traction plate is fixedly installed at the end, located on the outer side of the supporting base, of the sliding frame; a connecting rod is arranged on the side face of the supporting base and located between the sliding frames in a penetrating mode, reciprocating threads are formed in the outer wall, located on the inner side of the supporting base, of the connecting rod, and a driving assembly corresponding to the connecting rod is arranged on the inner side of the supporting base. Compared with the prior art, by means of cooperative work of the driving motor, the transmission conical roller, the transmission wheel, the threaded ring and the connecting rod, reciprocating traction of legs and waist bones of a user is achieved, by means of the design, the traction efficiency is improved, the flexibility of the traction action is ensured, the traction speed can be conveniently adjusted by adjusting the position of the transmission wheel, and the traction effect is improved. The requirements of different users are met, and traction treatment is more personalized and comfortable.

The utility model relates to the technical field of wreckers, in particular to a multi-angle traction device and a wrecker, the multi-angle traction device is installed on the wrecker, and the multi-angle traction device comprises a flat plate and a multi-angle traction mechanism arranged at one end of the flat plate; the multi-angle traction mechanism comprises a power system, a traction winch, a traction support, a plurality of guide wheels, a plurality of pulleys and a steel wire rope. According to the multi-angle traction device and the wrecker, the multi-angle traction device is installed at the position close to the wrecker head of the wrecker, so that accident vehicles which turn on one side and slide off the two sides of a road can be pulled laterally, and the field occupied by the wrecker during traction is greatly reduced; through mutual cooperation of the guide wheels and the pulleys, traction force can be greatly improved, the position can be flexibly adjusted, traction actions under various complex conditions are met, and traction efficiency is greatly improved; the stability of the wrecker during traction can be greatly improved through the adjustable supporting mechanism, and the safety during traction is guaranteed.

The utility model provides a traction telescopic greenhouse folding heat preservation quilt which comprises a supporting layer playing a role in supporting and traction, a heat preservation layer made of heat preservation materials and a clamping layer used for clamping the heat preservation layer together with the supporting layer. The heat preservation quilt is of an organ type folding structure, and traction parts facilitating traction and crease parts used for folding are arranged on the heat preservation quilt at intervals. The traction part comprises a plurality of traction rope belts which are arranged in the supporting layer and used for traction, and the traction rope belts are arranged in parallel at equal intervals; the supporting layer is a woven net cloth cover with traction ropes, and the traction ropes are woven on the net cloth cover and are parallel to the direction of narrow edges; the middle main body part of the traction rope belt and the woven belt are woven in the supporting layer together, and the two ends of the traction rope belt extend out of the supporting layer and are connected to a traction device. The whole supporting layer, the heat preservation layer and the clamping layer can be shrunk and unfolded through traction of the traction rope belts, the traction rope belts are arranged in parallel at equal intervals, and the heat preservation quilt can be shrunk and folded more evenly.

The invention discloses a trailer traction test device, which belongs to the technical field of vehicle traction test, and comprises a base, a mounting frame, and a traction drive frame. The mounting frame and the traction drive frame suspend and support a traction device on the base. The traction drive frame is used to provide traction force to the traction device. In actual operation, traction forces in different directions can be generated according to needs through the coordinated action of left and right, traction and up and down drive components, thereby comprehensively simulating the complex loads such as horizontal, turning and climbing that the traction device of the trailer is subjected to during operation, overcoming the limitations of traditional field tests on sites, vehicles and safety, and being able to efficiently and accurately evaluate the performance of the traction device without relying on real scenes.

The application relates to the field of a transport locomotive traction device, in particular to a traction device and a transport locomotive with the traction device; the traction device comprises a traction frame body, a power assembly and a fixing assembly; the traction frame body is connected with a traction object, the fixing assembly is arranged on the traction frame body, and the fixing assembly is used for fixing the traction object and the traction frame body; the power assembly is arranged on the traction frame body, and the power assembly is used for driving the traction frame body to move, so as to realize the traction effect of driving the traction object on a track. The traction frame body is close to the traction object, the fixing assembly is adjusted, the fixing assembly is fixedly connected between the traction object and the traction frame body, the power assembly is adjusted, the power assembly moves, the power assembly drives the traction frame body to move, the movement of the traction frame body drives the movement of the traction object, the power assembly provides power for the traction object, and the purpose of realizing the movement of the traction object on a larger slope is achieved.

The utility model provides a traction swing loosening rehabilitation training device. The traction swing loosening rehabilitation training device comprises a rack, a traction mechanism and a motion platform, the traction mechanism is located above the motion platform and used for pulling a human body; the motion platform is arranged at the bottom of the rack and used for achieving composite motion of rotation and inclination of the human body supporting face. During use, a human body stands or sits on the motion platform, the human body is dragged through the traction mechanism, the motion platform does composite motion of rotation and inclination, the human body can be driven to swing in a reciprocating mode, meanwhile, the human body is subjected to the traction effect of the upper portion, the position height changes when the human body swings in a reciprocating mode, and the traction effect is weakened when the position rises; when the position is lowered, the traction effect is enhanced, so that the effects of skeleton and muscle traction loosening and tension are achieved; through the combined action of the traction mechanism and the motion platform, traction loosening and tension functions are introduced into dynamic balance training, the expandability of the device can be improved, and the rehabilitation training effect can be enhanced.

The invention discloses a sleeve of a traction bolt, and relates to the technical field of bolt sleeves, the sleeve comprises a bolt and a sleeve which sleeves the head of the bolt and is used for rotating and pulling the bolt, the lower end of the sleeve is provided with a sleeve cavity extending upwards from the lower end face of a sleeve body, and a telescopic column is arranged in the cavity wall of the sleeve cavity; the column head of the telescopic column extends into the sleeve cavity from the cavity wall; the bolt comprises a stud and a stud head arranged at one end of the stud, and a groove allowing the stud head of the telescopic column to be clamped in is formed in the position, corresponding to the telescopic column, of the outer side face of the stud head. When the bolt is screwed out, the bolt can be dragged, it is ensured that the bolt is screwed out along with the sleeve, after the bolt reaches a limited position, the bolt does not continue to move, and at the moment, the sleeve can continue to retreat; and the opening work of the end mold of the mold is prevented from being influenced because the bolt is not completely withdrawn and reaches a limiting position.

The utility model relates to the field of mine ventilation, especially to the air door air leakage prevention device suitable for underground rail transport lane, including traction rope, sealing rubber and the buffer assembly for controlling the moving speed of sealing rubber, the traction rope one end fixed mounting in the air door door frame top, the other end connects sealing rubber, the air door closing state time, sealing rubber will the gap between the air door bottom and the bottom plate and the rail shelter, the buffer assembly includes fixed end and telescopic end, and the fixed end fixed mounting is in the air door top, and the telescopic end connects sealing rubber. In the air door closing state process, sealing rubber is affected by the force of buffer assembly and extends out of the air door, and the gap between the air door bottom and the lane bottom plate, the rail is blocked, can effectively prevent the emergence of the air door air leakage problem, in the air door opening process, the air door in the baffle and sealing rubber are retracted under the traction effect of traction rope, when the air door is closed, sealing rubber lags behind and extends out of the air door, effectively avoids the scratch of sealing rubber.

The invention discloses an integrated laparoscopic gastrointestinal surgery auxiliary positioning and traction integrated device, and belongs to the technical field of laparoscopic surgery auxiliary instruments, the integrated laparoscopic gastrointestinal surgery auxiliary positioning and traction integrated device comprises a base frame, and further comprises a three-dimensional free hovering control mechanism, a synchronous traction mechanism and a spatial position auxiliary positioning mechanism, and the spatial position auxiliary positioning mechanism is installed on the upper side of the front end of the base frame; the three-dimensional free hovering control mechanism comprises a supporting frame, a transverse moving assembly, a vertical moving assembly, a transverse horizontal control assembly, a vertical horizontal control assembly and a movable assembly. By means of the mode, the spatial position of the clamping assembly is accurately controlled, and the clamping assembly is made to have the traction effect on the abdomens of patients of different body types; therefore, the laparoscope instrument is kept at a rotating angle, and extra workload of manually fixing the laparoscope instrument for a long time by medical staff is reduced.

The application discloses a kind of spinal repair beds and control method, it is related to medical rehabilitation equipment technical field.The terahertz physiotherapy component is realized longitudinal reciprocating movement by linear guide rail;Traction and swing component transmits the transverse swing generated by swing mechanism and traction effect to lower limb and / or shoulder fixing piece;Loosen the rolling device of ridge and set adjustable rolling component;Vertebra compression physiotherapy device includes telescopic pressure column and detachable pressure block with concave contact surface;Physiotherapy control system implements closed-loop control to traction, swing frequency and amplitude, rolling driving force and displacement and terahertz output power and moving speed based on multi-sensor data, and constructs safety index to realize cross-component safety interlock, when monitoring parameter exceeds threshold value or change rate is over limit, automatically link to reduce multiple outputs or shutdown.The application realizes the integration of multiple physical rehabilitation means, intelligentization and collaborative safety protection, and is suitable for systematic rehabilitation treatment of spinal disease.

The invention relates to the technical field of medical instruments, and discloses wearable pain relieving equipment which comprises an elastic stretching seat, the two ends of the elastic stretching seat are movably installed in a connecting shell, and second pin holes are formed in the positions, close to the two ends, of the two sides of the outer surface of the elastic stretching seat; side plates are fixedly installed at the positions, close to the two ends, of an inner cavity of the elastic stretching base, connecting shaft bases are fixedly installed on the front faces of the side plates, connecting rods are movably arranged in the connecting shaft bases in a sleeved mode, the number of the connecting rods is two, and one ends of the connecting rods are movably sleeved with stroke shaft bases. The two adjacent stretching devices are far away, meanwhile, under the traction effect of the connecting rod, the stroke shaft bases get close to drive the second stroke frame to be far away, the clamping effect of the second clamping plate on the rubber water pipe is reduced, the rubber water pipe is reset, the sectional area of an internal channel is increased, and the flow speed of heat conduction liquid is decreased. The effect that the flow speed of the heat conduction liquid in the rubber water pipe is inversely proportional to the pull-up length of the rubber water pipe is achieved, and the practicability of the device is improved.

The invention discloses a paddy field straw returning and burying machine, which relates to the technical field of agricultural instruments and comprises a frame body, a cutting and burying assembly and a slicking device, the frame body is used for being connected with traction equipment and can be dragged by the traction equipment to walk. The cutting and burying assembly is arranged on the frame body, and the cutting and burying assembly can cut straw and press the straw into soil under the traction effect of the traction equipment; the slicking device is arranged on the frame body and located behind the cutting and burying assembly, and the slicking device can slick soil under the traction effect of the traction equipment. The paddy field straw returning and burying machine is low in operation power consumption, high in pressing and burying rate and capable of achieving the purpose of straw returning.

The utility model discloses a scaffold convenient to disassemble and assemble, which comprises two vertical frames and a pedal, and the pedal is placed on the two vertical frames. By designing the connecting rods, the middle blocks, the connectors, the pin shafts, the locking blocks, the push plates and the locking grooves, the two connecting rods are rotationally connected through the middle blocks and the pin shafts in a matched mode, the connecting rods and the corresponding vertical frames are rotationally connected through the pin shafts, the two vertical frames can be assembled together in a foldable mode, and when the foldable vertical frame is unfolded, only the two vertical frames need to be pulled, and the foldable vertical frame can be unfolded. The connecting rods rotate under the traction effect, then the locking blocks are clamped in the locking grooves, the connecting rods and the middle blocks are rotationally locked, the two vertical frames are quickly assembled and connected, the two connecting rods can be unlocked only by pushing the locking blocks through the push plates to be separated from the locking grooves in the disassembling process, the connecting rods can rotate, and the connecting rods can be conveniently disassembled. At the moment, the two connecting rods can be folded when the two vertical frames are pushed inwards, so that the two vertical frames are folded and disassembled, and the folding and disassembling device is convenient and rapid to disassemble and assemble, and time-saving and labor-saving.

The invention discloses a climbing assisting net blocking external device and an operation method thereof.The climbing assisting net blocking external device comprises a mounting plate used for being mounted on the front side of a net blocking device, a translation module and a camera are arranged on the front side of the mounting plate, and a first traction gripper assembly and a second traction gripper assembly are arranged on the translation module in the horizontal direction at intervals; the first traction gripper assembly and the second traction gripper assembly each comprise a linear driving piece and an electric clamping jaw, the first traction gripper assembly and the second traction gripper assembly are arranged in a front-back staggered mode in the extending direction of the wire, and the electric clamping jaws of the first traction gripper assembly and the second traction gripper assembly are both aligned with the wire. During operation, the first traction gripper assembly and the second traction gripper assembly alternately execute clamping and traction actions in the extending direction of the wire, so that continuous traction force is provided for the net blocking device, and the operation speed is guaranteed. The blocking device can effectively solve the problems that an existing blocking device slips and is insufficient in power when facing lines with large slopes and high gradients.

The invention discloses a threading traction device for building electrical engineering, and the device comprises a vehicle body which is used for stretching into a pipeline; the traction head is rotationally arranged at the front end of the vehicle body through a horizontal shaft, and a traction wheel is rotationally connected to the traction head; the boosting head is rotationally arranged at the tail end of the vehicle body through a horizontal shaft, and a boosting wheel is rotationally connected to the boosting head; and the dragging head is arranged at the tail end of the boosting head and is used for fixing a cable line. Compared with the prior art, the cable laying device has the following advantages and effects that by arranging the threading traction device capable of automatically advancing in the pipeline, a cable line is dragged to be automatically arranged in the pipeline, automatic laying of the cable line is completed, meanwhile, under the dual traction action of the traction head and the boosting head, stable dragging of the cable line is guaranteed, and the cable laying efficiency is improved. And the traction head and the boosting head are rotationally connected, so that automatic turning of the vertical bent section of the pipeline can be realized, and efficient and stable laying of a cable line is ensured.