Tractor for shoulder and neck

By designing a traction device for the neck and shoulders, and utilizing a motor drive and adjustment mechanism to achieve reciprocating traction movements of the neck and arms, the shortcomings of existing equipment are solved, the stability of the neck and shoulders is improved, and the recurrence of the disease is reduced.

CN121818296APending Publication Date: 2026-04-10SECOND AFFILIATED HOSPITAL OF COLLEGE OF MEDICINEOF XIAN JIAOTONG UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-05-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The lack of suitable shoulder and neck traction training equipment in existing community rehabilitation rooms leads to a high recurrence rate and worsening of symptoms in shoulder and neck diseases.

Method used

A neck and shoulder traction device was designed, comprising a base plate, mounting plate, triangular block, neck leather traction strap, drive mechanism, stroke adjustment mechanism, and arm traction mechanism. The device achieves reciprocating traction motion of the neck and arm through motor drive and adjustment mechanism.

Benefits of technology

It enables personalized traction training for the neck and arm of different patients, improves the stability of the neck and shoulder, and reduces the frequency of disease recurrence.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121818296A_ABST
    Figure CN121818296A_ABST
Patent Text Reader

Abstract

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.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rehabilitation training equipment, in particular to a shoulder and neck traction device. BACKGROUND

[0002] With the improvement of people's living standards and the increase of work pressure, most people have neck and shoulder discomfort. Even serious, it is easy to cause periarthritis and cervical spondylosis. Some patients choose to go to the hospital for treatment. However, due to the frequent recurrence of shoulder and neck diseases, if the training is lacking, it will lead to long-term over-relaxation of muscles, making the joints and ligaments very unstable, more prone to dislocation, so the recurrence frequency will also increase, and the symptoms will also be aggravated. However, at present, the types of community rehabilitation room equipment are limited, and the related shoulder and neck traction training equipment is even less, and there are few training devices that can provide rehabilitation treatment training for different patients; therefore, there is an urgent need for a shoulder and neck traction device. SUMMARY

[0003] The present application aims at the defects and deficiencies of the prior art, and provides a shoulder and neck traction device with simple structure, reasonable design and convenient use, which can solve the technical problems in the prior art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: it comprises a bottom plate and a mounting plate, a mounting plate is vertically fixed on the top surface of the bottom plate;

[0005] It also comprises:

[0006] A triangular block is arranged on the front side of the mounting plate, and guide blocks are symmetrically arranged on the back side wall of the triangular block and slidably embedded in the corresponding guide grooves on the front side wall of the mounting plate;

[0007] A neck leather traction belt is fixedly arranged on the front side wall of the triangular block at both ends;

[0008] A driving mechanism is arranged on the middle part of the upper side of the mounting plate, and the driving mechanism is connected to the upper side of the triangular block;

[0009] A stroke adjusting mechanism is arranged in the driving mechanism;

[0010] An arm traction mechanism is arranged on the mounting plate around the driving mechanism.

[0011] As a further improvement of the present application, a reinforcing rib is fixedly arranged at the connection between the mounting plate and the upper side of the bottom plate, one side wall of the reinforcing rib is fixedly connected to the side wall of the mounting plate, and the bottom surface of the reinforcing rib is fixedly arranged on the upper side of the bottom plate; the arrangement of the reinforcing rib ensures the fastening of the connection between the mounting plate and the bottom plate.

[0012] As a further improvement of the application, the driving mechanism comprises:

[0013] The gear plate is provided with a guide ring on the rear side wall, which is slidingly embedded in a limiting ring groove on the mounting plate; the front side wall of the gear plate is connected with the stroke adjusting mechanism through a transmission rod, and the lower end of the transmission rod is rotatably connected with the upper end of the triangular block through a hinged seat;

[0014] A first motor is fixedly arranged on the rear side wall of the mounting plate through a motor support, and the output shaft of the first motor is rotatably arranged through a bearing and fixedly connected with the middle part of the driving gear, which is arranged in mesh with the tooth groove on the outer side of the gear plate; the first motor is connected with an external power source.

[0015] According to the above technical scheme, the first motor is turned on to drive the driving gear to rotate, and the driving gear drives the gear plate and the transmission rod to rotate, so that the triangular block is driven to move up and down.

[0016] As a further improvement of the application, the stroke adjusting mechanism comprises:

[0017] A mounting groove is fixedly arranged on the front side wall of the gear plate, and an adjusting block is slidingly embedded in the mounting groove; and the upper end of the transmission rod is rotatably connected with the front side wall of the adjusting block through a rotating shaft and a bearing.

[0018] A threaded rod is rotatably arranged in the mounting groove through a bearing, and the adjusting block is rotatably arranged on the threaded rod through a threaded rotating sleeve.

[0019] A second motor is fixedly arranged on the rear side wall of the gear plate through a motor support, and the output shaft of the second motor is rotatably arranged through a bearing and drivingly connected with the end of the threaded rod through a bevel gear pair; the second motor is connected with an external power source.

[0020] According to the above technical scheme, the second motor is turned on to drive the threaded rod to rotate through the bevel gear pair, and the adjusting block is driven to move in the mounting groove, and the moving path of the adjusting block is on one radius of the gear plate; by adjusting the distance between the adjusting block and the center of the gear plate, the radius of the circle in which the upper end of the transmission rod rotates is adjusted, and the up-and-down movement stroke of the triangular block is adjusted, so that the device is suitable for people with different needs.

[0021] As a further improvement of the application, the arm traction mechanism comprises:

[0022] The four first guide wheels are arranged on the front side wall of the installation plate through rotating shafts and bearings;

[0023] The third motor is arranged on the rear side wall of the installation plate through a motor support, and the output shaft of the third motor is fixedly connected to the middle part of one of the first guide wheels through a bearing.

[0024] The transmission rope is arranged in the groove on the side wall of the four first guide wheels.

[0025] The two second guide wheels are arranged on the front side wall of the upper side of the installation plate through rotating shafts and bearings, and the second guide wheels are arranged below the first guide wheels on the upper side. The transmission rope is arranged in the groove on the upper side of the second guide wheels.

[0026] The two slide rail pairs are arranged on the left and right sides of the front side wall of the installation plate, and the slide rail pairs are arranged on the rear side of the transmission rope between the first guide wheels on the lower side and the corresponding second guide wheels. The middle part of the transmission rope is fixedly arranged in the sliding block in the slide rail pair. The installation box is fixedly arranged on the front side wall of the sliding block in the slide rail pair. The reel is rotatably arranged in the installation box through a bearing. The connecting belt is arranged on the reel. The lower end of the connecting belt is movably arranged through the bottom surface of the installation box and extends to the lower side of the installation box.

[0027] The two lifting rings are fixedly arranged on the lower end of the connecting belt.

[0028] The two limiting mechanisms are arranged on the reels on the left and right sides.

[0029] According to the above technical scheme, the length of the connecting belt is controlled by the reel. The lifting rings are arranged at the height of the hands of the patient. Then, the third motor is turned on. The third motor is a reversible motor. The first guide wheels and the second guide wheels are rotated to drive the transmission rope to move. The installation box moves up and down on the slide rail pair. The installation boxes on the left and right sides move in opposite directions. The patient holds the lifting rings to perform alternating traction on the arm of the patient.

[0030] As a further improvement of the present application, the limiting mechanism comprises:

[0031] The ratchet gear is fixedly arranged on the end of the reel. The ratchet gear is arranged on the outside of the installation box.

[0032] The limiting clamping teeth are rotatably arranged on the side wall of the installation box through a resilient rotating shaft. The end of the limiting clamping teeth is movably clamped in the tooth groove of the ratchet gear.

[0033] The two adjusting hand twists are fixedly arranged at the other end of the reel.

[0034] According to the technical scheme, when the reel is adjusted, the elastic shaft drives the limiting clamping tooth to be separated from the ratchet gear, and then the reel can be rotated by the adjusting hand twist to adjust the length of the connecting belt.

[0035] According to the further improvement of the present application, the displacement sensor is fixedly arranged on the mounting plate on the upper and lower sides of the slide rail pair, and is arranged in cooperation with the sliding block in the slide rail pair.

[0036] According to the technical scheme, the position of the sliding block on the slide rail pair is detected by the displacement sensor, so that the movement direction of the output shaft of the third motor can be controlled.

[0037] Compared with the prior art, the present application has the following beneficial effects:

[0038] 1. The driving mechanism and the stroke adjusting mechanism drive the triangular block and the neck leather traction belt to move up and down, so as to reciprocally traction the neck of the patient, and the up and down movement stroke of the neck leather traction belt can be controlled.

[0039] 2. The arm traction mechanism is arranged to traction the arm of the patient, and can be suitable for people with different arm lengths for training. DETAILED DESCRIPTION

[0040] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0041] Figure 1 is a structural schematic view of the present application.

[0042] Figure 2 is Figure 1 is an enlarged view of A part in

[0043] Figure 3 is Figure 1 is an enlarged view of B part in

[0044] Figure 4 is a rear view of the present application.

[0045] Figure 5It is the structural schematic view of the gear plate and the guide ring of the application.

[0046] Figure 6 It is the internal structural schematic view of the mounting box of the application.

[0047] Mark explanation:

[0048] Bottom plate 1, mounting plate 2, triangular block 3, guide block 4, guide groove 5, neck leather traction belt 6, reinforcing rib 7, driving mechanism 8, gear plate 8-1, guide ring 8-2, limiting ring groove 8-3, transmission rod 8-4, No. 1 motor 8-5, driving gear 8-6, stroke adjusting mechanism 9, mounting groove 9-1, adjusting block 9-2, threaded rod 9-3, No. 2 motor 9-4, bevel gear pair 9-5, arm traction mechanism 10, No. 1 guide wheel 10-1, No. 3 motor 10-2, transmission rope 10-3, No. 2 guide wheel 10-4, slide rail pair 10-5, mounting box 10-6, reel 10-7, connecting belt 10-8, lifting ring 10-9, limiting mechanism 11, ratchet gear 11-1, limiting click 11-2, adjusting hand screw 11-3, displacement sensor 12. Specific implementation

[0049] The application will be further described below in combination with the drawings.

[0050] Example 1

[0051] Referring to FIG. Figures 1-6 The embodiment includes a bottom plate 1 and a mounting plate 2, the mounting plate 2 is fixedly welded on the top surface of the bottom plate 1, the mounting plate 2 is fixedly welded with a reinforcing rib 7 at the connection with the upper side of the bottom plate 1, one side wall of the reinforcing rib 7 is fixedly connected with the side wall of the mounting plate 2, and the bottom surface of the reinforcing rib 7 is fixedly welded on the upper side of the bottom plate 1; the reinforcing rib 7 ensures the fastening of the connection between the mounting plate 2 and the bottom plate 1.

[0052] It also includes:

[0053] A triangular block 3 is arranged on the front side of the mounting plate 2, and symmetrically arranged on the rear side wall of the triangular block 3 are guide blocks 4 which are slidingly embedded in the corresponding guide grooves 5 arranged on the front side wall of the mounting plate 2;

[0054] A neck leather traction belt 6 is arranged on the front side wall of the triangular block 3 through bolts at both ends, and the neck leather traction belt 6 is convenient for cleaning and has a structure for adjusting the length;

[0055] A driving mechanism 8 is arranged on the middle part of the upper side of the mounting plate 2, and the driving mechanism 8 is connected with the upper side of the triangular block 3;

[0056] A stroke adjusting mechanism 9 is arranged inside the driving mechanism 8.

[0057] An arm pulling mechanism 10 is arranged on the mounting plate 2 around the driving mechanism 8.

[0058] Embodiment 2:

[0059] Referring to FIG. 2, based on the embodiment 1, the driving mechanism 8 comprises: Figures 1-6 A gear plate 8-1 is arranged on the rear wall of the gear plate 8-1 by bolt fixing, and a guide ring 8-2 is arranged on the rear wall of the gear plate 8-1 by bolt fixing. The guide ring 8-2 is slidingly embedded in the limiting ring groove 8-3 opened on the mounting plate 2. The front wall of the gear plate 8-1 is connected with the stroke adjusting mechanism 9 through a transmission rod 8-4. The lower end of the transmission rod 8-4 is rotatably connected with the upper end of the triangular block 3 through a hinged seat.

[0060] A first motor 8-5 is arranged on the rear wall of the mounting plate 2 by bolt fixing through a motor support. The output shaft of the first motor 8-5 is rotatably penetrated through the side wall of the mounting plate 2 and fixedly connected with the middle part of the driving gear 8-6 through a bearing. The driving gear 8-6 is arranged in mesh with the tooth groove on the outer side of the gear plate 8-1. The first motor 8-5 is connected with an external power source.

[0061] The stroke adjusting mechanism 9 comprises:

[0062] A mounting groove 9-1 is arranged on the front wall of the gear plate 8-1 by bolt fixing. The inside of the mounting groove 9-1 is slidingly embedded with an adjusting block 9-2. The upper end of the transmission rod 8-4 is rotatably connected with the front wall of the adjusting block 9-2 through a rotating shaft and a bearing.

[0063] A threaded rod 9-3 is rotatably arranged in the inside of the mounting groove 9-1 through a bearing. The adjusting block 9-2 is rotatably sleeved on the threaded rod 9-3 through a threaded hole.

[0064] A second motor 9-4 is arranged on the rear wall of the gear plate 8-1 by bolt fixing through a motor support. The output shaft of the second motor 9-4 is rotatably penetrated through the gear plate 8-1 and drivingly connected with the end part of the threaded rod 9-3 through a bevel gear pair 9-5. The second motor 9-4 is connected with an external power source.

[0065] Embodiment 3:

[0066] Referring to FIG. 3, based on the embodiment 1, the arm pulling mechanism 10 comprises:

[0067] Figures 1-6 A first motor 8-5 is arranged on the rear wall of the mounting plate 2 by bolt fixing through a motor support. The output shaft of the first motor 8-5 is rotatably penetrated through the side wall of the mounting plate 2 and fixedly connected with the middle part of the driving gear 8-6 through a bearing. The driving gear 8-6 is arranged in mesh with the tooth groove on the outer side of the gear plate 8-1. The first motor 8-5 is connected with an external power source.

[0068] ​The first guide wheel 10-1 is four, and is rotatably arranged on the front side wall of the mounting plate 2 through the rotating shaft and bearing;

[0069] The third motor 10-2 is rotatably arranged on the rear side wall of the mounting plate 2 through the motor support and bolt, and the output shaft of the third motor 10-2 is rotatably arranged through the bearing and fixedly connected with the middle part of one of the first guide wheels 10-1;

[0070] The transmission rope 10-3 is arranged in the groove on the side wall of the first guide wheel 10-1;

[0071] The second guide wheel 10-4 is two, and is rotatably arranged on the front side wall of the upper side of the mounting plate 2 through the rotating shaft and bearing, and the second guide wheel 10-4 is arranged below the first guide wheel 10-1 on the upper side; The transmission rope 10-3 is arranged in the groove on the upper side of the second guide wheel 10-4;

[0072] The slide rail pair 10-5 is two, and is arranged on the left and right sides of the front side wall of the mounting plate 2, and the slide rail pair 10-5 is arranged on the rear side of the transmission rope 10-3 between the first guide wheel 10-1 on the lower side and the corresponding second guide wheel 10-4, and the transmission rope 10-3 is fixedly arranged in the middle part of the sliding block in the slide rail pair 10-5; The mounting box 10-6 is arranged on the front side wall of the sliding block in the slide rail pair 10-5 through the bolt, the reel 10-7 is rotatably arranged in the mounting box 10-6 through the bearing, the connecting belt 10-8 is arranged on the reel 10-7, the lower end of the connecting belt 10-8 is movably arranged through the bottom surface of the mounting box 10-6, and the lower side of the mounting box 10-6 is arranged, the mounting plate 2 on the upper and lower sides of the slide rail pair 10-5 is arranged through the bolt, and the displacement sensor 12 is arranged on the mounting plate 2, and the displacement sensor 12 is arranged in the slide rail pair 10-5, and the displacement sensor 12 is connected with the external power supply; The position of the sliding block on the slide rail pair 10-5 is detected through the displacement sensor 12, so as to control the movement direction of the output shaft of the third motor 10-2;

[0073] The lifting ring 10-9 is two, and is arranged on the lower end of the connecting belt 10-8 through the bolt;

[0074] The limiting mechanism 11 is two, and is arranged on the reel 10-7 on the left and right sides; The limiting mechanism 11 comprises:

[0075] Ratchet gear 11-1, which is fixedly sleeved at the end of the reel 10-7, is arranged outside the mounting box 10-6;

[0076] Limiting clamping teeth 11-2, which are arranged on the side wall of the mounting box 10-6 through a rebound shaft, are movably clamped in the tooth groove of the ratchet gear 11-1 at the end of the limiting clamping teeth 11-2;

[0077] Adjusting hand knobs 11-3, which are two, are movably arranged at the other end of the reel 10-7 through bolts.

[0078] The specific use types of the first motor 8-5, the second motor 9-4, the third motor 10-2 and the displacement sensor 12 are directly purchased from the market according to the use requirements and are installed and used.

[0079] In use of the application, the patient sits on one side of the mounting plate 2 through the seat, the head of the patient is worn in the middle of the neck leather traction belt 6, and the length thereof is adjusted, and then the stroke adjusting mechanism 9 is adjusted, the second motor 9-4 is turned on, the second motor 9-4 drives the threaded rod 9-3 to rotate through the bevel gear pair 9-5, and then the adjusting block 9-2 is moved in the mounting groove 9-1 through the threaded rod 9-3, the moving path of the adjusting block 9-2 is on one radius of the gear plate 8-1, the radius of the circumference of the upper end of the transmission rod 8-4 is adjusted through the adjustment of the distance between the adjusting block 9-2 and the center of the gear plate 8-1, and then the up-down movement stroke of the triangular block 3 is adjusted, which is convenient for people with different needs to use; after the adjustment is completed, the patient holds the lifting ring 10-9 with the hand, the limiting clamping teeth 11-2 are driven to be separated from the ratchet gear 11-1 through the rebound shaft, at this time, the reel 10-7 can be rotated through the adjusting hand knobs 11-3, the length of the connecting belt 10-8 is adjusted according to the position of the patient's hand, after the adjustment is completed, the limiting clamping teeth 11-2 are clamped on the ratchet gear 11-1, and the ratchet gear 11-1 is limited;

[0080] After all the lengths are adjusted, the first motor 8-5 is turned on to drive the driving gear 8-6 to rotate, and since the driving gear 8-6 is engaged with the tooth grooves on the side wall of the gear plate 8-1, the driving gear 8-6 drives the gear plate 8-1 and the upper end of the transmission rod 8-4 to make a circular motion, thereby driving the triangular block 3 to make up-and-down reciprocating motion through the transmission rod 8-4, and then the triangular block 3 stretches the patient's neck through the neck leather traction belt 6. At the same time, the third motor 10-2 is turned on, which is a forward and reverse motor, and through the rotation of the first guide wheel 10-1 and the second guide wheel 10-4, the transmission rope 10-3 is driven to move, the installation box 10-6 moves up and down on the slide rail pair 10-5, and the movement directions of the installation boxes 10-6 on the left and right sides are opposite, and the patient holds the lifting ring 10-9 to make alternating traction movement on the patient's arm.

[0081] After adopting the above structure, the specific embodiment has the following advantages:

[0082] 1. The driving mechanism 8 and the stroke adjusting mechanism 9 drive the triangular block 3 and the neck leather traction belt 6 to move up and down, which is convenient for reciprocating traction of the patient's neck, and the up-and-down movement stroke of the neck leather traction belt 6 can be controlled.

[0083] 2. The arm traction mechanism 10 is arranged to perform traction training on the patient's arm, which can be suitable for people with different arm lengths for training.

[0084] The above description is only used to illustrate the technical solutions of the present application, not to limit it, and other modifications or equivalent replacements of the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application, as long as they do not deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A shoulder and neck traction device, comprising a base plate (1) and a mounting plate (2), wherein the mounting plate (2) is vertically fixed on the top surface of the base plate (1); Its features are, It also includes: Triangular block (3), the triangular block (3) is set on the front side of the mounting plate (2), and guide blocks (4) are symmetrically arranged on the rear side wall of the triangular block (3). The guide blocks (4) are slidably embedded in the guide groove (5) correspondingly opened on the front side wall of the mounting plate (2). A neck leather traction strap (6), the two ends of which are respectively fixed on the front sidewall of the triangular block (3); The drive mechanism (8) is located in the middle of the upper side of the mounting plate (2) and is connected to the upper side of the triangular block (3). The stroke adjustment mechanism (9) is located inside the drive mechanism (8); The arm traction mechanism (10) is mounted on the mounting plate (2) around the drive mechanism (8).

2. The shoulder and neck traction device according to claim 1, characterized in that: A reinforcing rib (7) is fixedly provided at the connection between the mounting plate (2) and the upper side of the base plate (1). One side wall of the reinforcing rib (7) is fixedly connected to the side wall of the mounting plate (2), and the bottom surface of the reinforcing rib (7) is fixedly provided on the upper side of the base plate (1).

3. A shoulder and neck traction device according to claim 1, characterized in that: The drive mechanism (8) includes: The gear plate (8-1) has a guide ring (8-2) fixedly installed on its rear side wall. The guide ring (8-2) is slidably embedded in the limiting ring groove (8-3) opened on the mounting plate (2). The front side wall of the gear plate (8-1) is connected to the stroke adjustment mechanism (9) through the transmission rod (8-4). The lower end of the transmission rod (8-4) is rotatably connected to the upper end of the triangular block (3) through the hinge seat. The first motor (8-5) is fixedly mounted on the rear side wall of the mounting plate (2) by a motor bracket. The output shaft of the first motor (8-5) rotates through the side wall of the mounting plate (2) via a bearing and is fixedly connected to the middle of the drive gear (8-6). The drive gear (8-6) meshes with the tooth groove on the outer side of the gear plate (8-1). The first motor (8-5) is connected to an external power source.

4. A shoulder and neck traction device according to claim 3, characterized in that: The stroke adjustment mechanism (9) includes: The mounting groove (9-1) is fixedly installed on the front side wall of the gear plate (8-1). An adjusting block (9-2) is slidably embedded inside the mounting groove (9-1). The upper end of the transmission rod (8-4) is rotatably connected to the front side wall of the adjusting block (9-2) through a rotating shaft and a bearing. A threaded rod (9-3) is rotatably mounted inside a mounting groove (9-1) via a bearing, and an adjusting block (9-2) is rotatably mounted on the threaded rod (9-3) via a thread. The second motor (9-4) is fixedly mounted on the rear side wall of the gear plate (8-1) by a motor bracket. The output shaft of the second motor (9-4) rotates through the gear plate (8-1) via a bearing and is then connected to the end of the threaded rod (9-3) via a bevel gear pair (9-5). The second motor (9-4) is connected to an external power source.

5. A shoulder and neck traction device according to claim 3, characterized in that: The arm traction mechanism (10) includes: The first guide wheel (10-1) consists of four wheels, which are rotatably mounted on the front side wall of the mounting plate (2) around the gear plate (8-1) via a rotating shaft and bearing. The No. 3 motor (10-2) is fixedly mounted on the rear side wall of the mounting plate (2) by a motor bracket. The output shaft of the No. 3 motor (10-2) rotates through the mounting plate (2) via a bearing and is fixedly connected to the middle of one of the No. 1 guide wheels (10-1). The transmission rope (10-3) is wound around the grooves on the side walls of the four guide wheels (10-1); The second guide wheel (10-4) consists of two wheels, which are symmetrically rotated and mounted on the front side wall of the mounting plate (2) via a rotating shaft and bearing. The second guide wheel (10-4) is located below the first guide wheel (10-1) on the upper side. The transmission rope (10-3) is wound around the groove opened on the upper side of the second guide wheel (10-4). There are two slide rail pairs (10-5), which are respectively set on the left and right sides of the front sidewall of the mounting plate (2). The slide rail pairs (10-5) are set on the rear side of the transmission rope (10-3) between the first guide wheel (10-1) and the corresponding second guide wheel (10-4) located on the lower side. The transmission rope (10-3) is fixedly inserted in the middle of the slider inside the slide rail pair (10-5). A mounting box (10-6) is fixedly installed on the front sidewall of the slider inside the slide rail pair (10-5). A roller (10-7) is rotatably installed inside the mounting box (10-6) through a bearing. A connecting belt (10-8) is wound on the roller (10-7). The lower end of the connecting belt (10-8) moves through the bottom surface of the mounting box (10-6) and extends to the lower side of the mounting box (10-6). Two lifting rings (10-9) are provided, and each is fixedly installed at the lower end of the connecting belt (10-8). Limiting mechanisms (11), there are two limiting mechanisms (11), and they are respectively set on the scrolls (10-7) on the left and right sides.

6. A shoulder and neck traction device according to claim 5, characterized in that: The limiting mechanism (11) includes: The ratchet (11-1) is fixedly sleeved on the end of the scroll (10-7) and is located on the outside of the mounting box (10-6). The limiting tooth (11-2) is rotatably mounted on the side wall of the mounting box (10-6) via a spring-loaded shaft, and the end of the limiting tooth (11-2) is movably engaged in the tooth groove of the ratchet gear (11-1). Two adjustment levers (11-3) are fixedly installed at the other end of the scroll (10-7).

7. A shoulder and neck traction device according to claim 6, characterized in that: Displacement sensors (12) are fixedly installed on the mounting plates (2) on both the upper and lower sides of the slide rail pair (10-5), and the displacement sensors (12) are configured to cooperate with the slider inside the slide rail pair (10-5). The displacement sensors (12) are connected to an external power supply.