34 results about "Traction - action" patented technology

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 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 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 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 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 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.

The present invention discloses a traction device for a walking tractor, which includes a mounting frame, a traction frame, a rotating frame, a connecting frame and a tow hook. The mounting frame is installed on the vehicle body, the traction frame is installed on the mounting frame, a fixed shaft is installed on the traction frame, one end of the rotating frame is rotatably installed on the fixed shaft, the connecting frame can be sleeved outside the rotating frame, and the tow hook is installed at one end of the connecting frame. By setting the mounting frame, the traction frame, the rotating frame, the connecting frame and the tow hook, and the connecting frame is connected between the rotating frame and the tow hook and can be sleeved outside the rotating frame, the change of the position of the tow hook is realized. In the case of no traction rope, the change of the position of the tow hook can be skillfully realized, so that the tow hook and the goods can also realize the traction function of the tractor without a pulling rope, expanding the applicable range of the tractor, and being beneficial to the popularization and application of the above traction device on the walking tractor.

The invention discloses a reset device for eliminating equipment clamping stagnation workpieces and an eliminating method. The reset device comprises an outer frame, a movement assembly, a traction drag hook and a ratchet wheel and ratchet mechanism. A front-clamping and rear-hanging type mounting structure is arranged on the outer frame and is used for limiting the outer frame in the horizontal direction, the vertical direction and the rotating direction; the moving assembly is slidably arranged on the outer frame and comprises a mounting frame and a traction pin seat; the traction hook is detachably connected with an extension body at the tail part of the execution mechanism through a pin; the ratchet wheel and ratchet mechanism comprises a ratchet bar, a ratchet wheel, stop teeth and a rocker. When the outer frame is installed in place, a pin shaft of the traction pin seat falls into a hook groove of the traction drag hook to form traction fit, the rocker is swung in a reciprocating mode, and through the one-way stepping traction effect of the ratchet wheel and ratchet mechanism, the execution mechanism is driven to overcome spring resistance to move backwards to a standby position, and clamping stagnation of workpieces is eliminated. The device has the advantages of being safe and labor-saving in operation and compact in structure, and resetting operation can be completed in a narrow space.

The utility model discloses a multiple traction type elevator which comprises a lift car, a sliding rail set and at least one pair of traction mechanisms, the sliding rail set comprises a set of first sliding rails, the first sliding rails are vertically installed on an elevator shaft, the lift car is installed on the first sliding rails in an up-and-down sliding mode, and the traction mechanisms are installed on the lift car in an up-and-down sliding mode. Each traction mechanism comprises a set of traction ropes and a traction component, each traction component comprises a traction wheel and a driving assembly, the traction ropes are wound around the traction wheels and connected to the lift car, and the traction ropes of each pair of traction mechanisms are symmetrically distributed with the central axis of the lift car as the reference. The traction wheel is installed on the driving assembly and can be driven by the driving assembly to rotate so as to drive the lift car to ascend and descend by driving the traction rope. In the process, the lift car is subjected to multiple traction effects, stable lifting of the lift car is ensured, the overall service life is prolonged, and the use safety is improved.

The present application relates to a kind of soft tissue clamps with traction function, comprising traction component and operating assembly connection composition;Two symmetrical elastic metal claw pairs are provided at the front end of traction component, and the rear end of traction component is provided with sleeve, metal claw rear end is inserted into sleeve after closure and is connected with metal claw connecting piece, metal claw connecting piece is located in sleeve and is connected with unhooking device;Card protrusion is provided at the end of metal claw, metal claw card hole is provided at the rear end of sleeve, and card protrusion is matched with metal claw card hole;Ring is connected on one of metal claw, and the outer circumference of ring is tangent to metal claw by clamping portion;Operating assembly includes flexible tube, flexible wire and handle assembly.The soft tissue clamp is accurate in positioning, and the ring with traction effect is convenient for positioning and traction when endoscopic surgical treatment is carried out, provides open view for treatment, increases the safety of operation, and improves the efficiency of operation.

An embodiment of the present specification provides a locking device for a seat belt retractor, which includes a housing, an armature, a spring, coil A and coil B. The housing includes a bottom plate, a vertical arm and an installation cavity. The armature is pivotally supported above the vertical arm and includes a first leg extending above the installation cavity and a second leg extending below the bottom plate. One end of the spring is fixed to the armature and the other end is fixed to the housing. After coil A is energized, a magnetic field is generated to adsorb the first leg and overcome the traction of the spring to move from the locking position to the release position; coil B is installed on the housing, and after being energized, a magnetic field is generated to attract or repel the second leg, thereby controlling the resilience force of the first leg between the release position and the locking position. By adding coil B to the housing, when the retractor locks, coil B is energized to generate a magnetic field to repel the second leg of the armature, so that the noise generated by the spring hitting the iron sheet during spring resilience can be reduced without affecting the rapid resilience of the armature.

The invention discloses a shoulder and neck tractor, and relates to the technical field of rehabilitation training instruments. The triangular block is arranged on the front side of the mounting plate, guide blocks are symmetrically arranged on the rear side wall of the triangular block, and the guide blocks are slidably embedded in guide grooves correspondingly formed in the front side wall of the mounting plate; the two ends of the neck leather traction belt are fixedly arranged on the front side wall of the triangular block respectively; the driving mechanism is arranged in the middle of the upper side of the mounting plate and is connected with the upper side of the triangular block; the stroke adjusting mechanism is arranged in the driving mechanism; the arm traction mechanism is arranged on the mounting plate around the driving mechanism; a reciprocating traction effect can be conveniently performed on the neck of the patient, and meanwhile, the up-and-down movement stroke of the neck leather traction belt can be controlled; through the arrangement of the arm traction mechanism, traction training is conducted on the arms of the patient, and training can be conducted by being suitable for people with different arm lengths.

The invention relates to the technical field of lumbar surgery instruments.The instrument comprises two pulling legs with the middle ends rotationally connected with each other, two switching legs and two retractor assemblies, each switching leg comprises a switching sleeve, the side wall of the upper end of each switching sleeve is fixedly connected to the end of the corresponding pulling leg, and the side wall of the lower end of each switching sleeve is fixedly connected to the end of the corresponding pulling leg; a stepped hole is formed in the lower end; the upper ends of the transfer rods coaxially abut against the lower ends of the corresponding transfer sleeves, and the upper ends of the drag hook assemblies are fixedly connected to the lower ends of the corresponding transfer rods; the upper end of the adapter shaft extends into the stepped hole, the lower end of the adapter shaft is fixedly connected to the adapter rod, and the adapter shaft is rotationally and slidably connected to the adapter sleeve; the spring is located in the stepped hole and arranged on the adapter shaft in a sleeving mode, the lower end of the spring abuts against a hole shoulder of the stepped hole, and the upper end of the spring abuts against the end of the adapter shaft. The technical problems that in the prior art, a drag hook can only conduct the traction action and cannot achieve the distraction action, and the function is relatively single can be solved.

The invention discloses a rehabilitation training nursing device for the cardiovascular medicine department, and relates to the technical field of rehabilitation treatment equipment. The two rockers correspondingly drive the foot pad base to do reciprocating linear movement, so that traction force is provided for walking or jogging of a patient, the patient can adapt to and recover quickly, muscle recovery can be accelerated, the flexibility of joints can be improved, the recovery speed of the patient is increased, and the recovery rate of the patient is increased. Rocker traction encourages a patient to actively participate in rehabilitation training and helps the patient to recover a normal walking posture and coordination, continuous traction training can promote re-adaptation of a nervous system to lower limb muscles, the stability and smoothness of gaits are improved, the risk of cardiovascular diseases is reduced, and the rehabilitation effect is improved. Muscle movement under the traction action can promote blood circulation of the lower limbs, formation of venous thrombosis is reduced, and tissue rehabilitation is accelerated.