CN112294516A - Traditional Chinese medicine orthopedic lumbar vertebra traction device - Google Patents
Traditional Chinese medicine orthopedic lumbar vertebra traction device Download PDFInfo
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- CN112294516A CN112294516A CN202011186769.9A CN202011186769A CN112294516A CN 112294516 A CN112294516 A CN 112294516A CN 202011186769 A CN202011186769 A CN 202011186769A CN 112294516 A CN112294516 A CN 112294516A
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- 239000003814 drug Substances 0.000 title claims abstract description 14
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 13
- 210000003205 muscle Anatomy 0.000 abstract description 10
- 210000003423 ankle Anatomy 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 208000007101 Muscle Cramp Diseases 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 208000005392 Spasm Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 206010050296 Intervertebral disc protrusion Diseases 0.000 description 1
- 208000008930 Low Back Pain Diseases 0.000 description 1
- 206010050031 Muscle strain Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 210000004446 longitudinal ligament Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices ; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. long-term immobilising or pressure directing devices for treating broken or deformed bones such as splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The traditional Chinese medicine orthopedics lumbar traction device effectively solves the problems that the existing lumbar traction device cannot perform traction treatment in a single traction mode, cannot perform massage and relaxation on muscles of the back and the waist of a patient before traction treatment, cannot perform good fixation on limbs of the patient in the traction process, and cannot perform continuous traction on the lumbar of the patient in the traction process through the design, and comprises a base, wherein the upper end of the front part of the base is slidably connected with a traction plate capable of moving forwards intermittently, the upper end of the middle part of the base is provided with a movable frame capable of moving leftwards and rightwards, the upper end of the movable frame is slidably connected with a movable box capable of moving forwards and backwards, the movable box can move forwards and backwards along with the left and right of the movable frame, a massage plate capable of rotating along with the front and backwards movement of the movable box is arranged in the movable box, and the massage plate can move forwards and backwards while rotating, the lower end of the rear part of the base is connected with a support frame which can move towards the right side in a sliding mode.
Description
Technical Field
The invention relates to the technical field of medical assistance, in particular to a traditional Chinese medicine orthopedic lumbar vertebra traction device.
Background
The lumbar traction is to utilize the traction force and the counter-traction force to act on the lumbar, the aim of treating the lumbar disc herniation is achieved by traction in the opposite direction, the lumbar traction can enlarge the lumbar intervertebral space, the increase of the intervertebral space can enable the interior of the intervertebral space to become negative pressure, in addition, the tension of the longitudinal ligament is beneficial to the protruded nucleus pulposus part to still accommodate or change the relationship between the protruded nucleus pulposus part and the nerve root, the enlargement of the intervertebral space and the pulling of the zygopophysis joint are realized, the normal appearance of the intervertebral foramen is restored, thereby the extrusion to the nerve root is relieved, the lumbar can be fully rested by traction, the stimulation of movement is reduced, the absorption and the elimination of tissue congestion and edema are beneficial, the muscle spasm can be relieved, the intervertebral pressure is relieved, some preparation work is needed before the lumbar traction, the muscle at the affected part is necessarily relaxed, if the lumbar traction is in an acute tension state, the lumbar, local massage can be used, if the muscles of the back and the waist are extremely stiff, the muscles can be torn, the lumbar of a patient cannot be continuously dragged in the dragging process, the body of the patient cannot be well fixed in the dragging process, the lumbago is aggravated in the dragging process, the traction is stopped immediately at this time, the existing traction device has a single traction mode, but due to individual difference, the tissue compliance is poor, a standardized traction scheme is still lacked, the traction duration and the frequency are greatly different, the dead-weight traction can be used for a special patient, the traction force depends on the self-weight of the patient, the traction force can be effectively controlled, the traction force is changed according to the weight of the patient, and the device obviously cannot meet the existing requirements.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides the traditional Chinese medicine orthopedics lumbar traction device, and the traditional Chinese medicine orthopedics lumbar traction device effectively solves the problems that the traditional lumbar traction device cannot perform single traction mode, cannot perform traction treatment on patients with different physical qualities, cannot massage and relax the muscles of the back and the waist of the patient before the traction treatment, cannot well fix the limbs of the patient in the traction process, and cannot perform continuous traction on the lumbar of the patient in the traction process through the design.
In order to achieve the purpose, the invention provides the following technical scheme: the invention comprises a base, wherein the upper end of the front part of the base is connected with a traction plate capable of intermittently moving forwards in a sliding way, the upper end of the middle part of the base is provided with a movable frame capable of moving left and right, the upper end of the movable frame is connected with a movable box capable of moving front and back in a sliding way, the movable box can move front and back along with the left and right movement of the movable frame, a massage plate capable of rotating along with the front and back movement of the movable box is arranged in the movable box, and the massage plate can;
the utility model discloses a support frame, including base, support frame, regulating plate, stopper front side, first slider and second slider, the rear portion lower extreme sliding connection of base has the support frame that can remove to the right side, remove the frame and can remove downwards along with the support frame removes to the right side, and the inboard rotation in upper end of support frame is connected with angularly adjustable regulating plate, and the rear end left and right sides of regulating plate is fixedly connected with fixed block respectively, fixedly connected with stopper in the fixed block, the inside sliding connection of stopper rear side has two first sliders, and the inside sliding connection of stopper front side has two second sliders, first.
Preferably, the rear end internal rotation of base is connected with the third threaded rod, the left end and the base of third threaded rod rotate to be connected, the lower extreme threaded connection of third threaded rod and support frame, the upper end left side of support frame rotates and is connected with first worm, the front side meshing of first worm has first worm wheel, first worm wheel and support frame upper end left side wall rotate to be connected, the coaxial rigid coupling in upper end of first worm wheel has first bevel gear, the upper end meshing of first bevel gear has second bevel gear, the coaxial rigid coupling in middle part of second bevel gear and regulating plate.
Preferably, the inside lower extreme of fixed block rotates and is connected with first threaded rod, the lower extreme threaded connection of first threaded rod has the screw thread piece, screw thread piece and fixed block sliding connection, the rear end of screw thread piece rotates and is connected with the connecting rod, the right side of connecting rod articulates there is first connecting rod, the upper end of first connecting rod articulates there is first rotor plate, the stopper of first rotor plate and front side rotates and connects, first rotor plate and two first slider sliding connection, the left side of connecting rod articulates there is the second connecting rod, the upper end of second connecting rod articulates there is the second rotor plate, the stopper of second rotor plate and rear side rotates and connects, second rotor plate and two second slider sliding connection, first rotor plate and second rotor plate upwards rotate simultaneously and form the structure that first slider and second slider moved to the inboard simultaneously.
Preferably, the lower extreme right side fixedly connected with pull rod of support frame, the left end fixedly connected with little piston of pull rod, the surface sliding connection of little piston has long cylinder, the lower extreme of long cylinder and the upper end fixed connection of base, the left end fixedly connected with connecting pipe of long cylinder, the short cylinder of right-hand member fixedly connected with of connecting pipe, the lower extreme of short cylinder and the upper end fixed connection of base, sliding connection has big piston in the short cylinder.
Preferably, the fixed frame of the upper end fixedly connected with of big piston, the upper end fixedly connected with fixed plate of fixed frame, the first motor of inside fixedly connected with of fixed frame, the upper end fixedly connected with disc of first motor, the upper end sliding connection of disc has the guide bar, the upper end of guide bar and the lower extreme sliding connection of fixed plate, the upper end of fixed plate and the lower extreme sliding connection of removal frame, the disc rotates and to form the structure that the fixed plate moved about.
Preferably, the left side inside the moving frame is fixedly connected with a first rack, the left side of the first rack is meshed with a first gear, the first gear is rotatably connected to the lower end of the moving box, a second worm is fixedly connected inside the first gear, the second worm is rotatably connected to the bottom surface inside the moving box, the lower end of the second worm is respectively connected with the moving frame, the fixed plate and the guide rod in a sliding manner, and the moving frame reciprocates left and right to form a structure that the moving box moves left and right and simultaneously moves back and forth;
a second worm wheel is meshed with the front side of the second worm, the right end of the second worm wheel is rotatably connected with the movable box, the left end of the second worm wheel is fixedly connected with a rotating disc, the left side of the rotating disc is matched with a third connecting rod, the middle part of the third connecting rod is rotatably connected with the right side wall of the interior of the movable box, the upper end of the third connecting rod is hinged with a fourth connecting rod, the rear end of the fourth connecting rod is hinged with a limiting plate, and the limiting plate is rotatably connected with the lower end of the massage plate;
the upper end of the second worm is fixedly connected with a transmission plate, the upper end of the transmission plate is connected with a connecting piece in a sliding mode, and the upper end of the connecting piece is connected with the lower end of the massage plate in a sliding mode.
Preferably, the front end left and right sides of the traction plate are fixedly connected with springs respectively, the front ends of the two springs are fixedly connected with the front portion of the upper end of the base, the middle front end of the traction plate is fixedly connected with a second rack, the left side of the second rack is meshed with a second gear, the lower end of the second gear is rotatably connected with a clutch plate, the rear end of the clutch plate is slidably connected with the front end of the base, the lower end of the second gear is coaxially and fixedly connected with a third worm wheel, the left end of the third worm wheel is meshed with a third worm, the rear end of the third worm is rotatably connected with the front end of the clutch plate, and the front end of the third worm is fixedly connected with a ratchet wheel.
Preferably, the front end right side fixedly connected with second motor of clutch plate, the front end fixedly connected with fifth connecting rod of second motor, the right-hand member of fifth connecting rod articulates there is the sixth connecting rod, the right-hand member of sixth connecting rod articulates there is the second quarter butt, the upper end of second quarter butt articulates there is first quarter butt, the upper end of first quarter butt articulates there is the hinge bar, the lower extreme of hinge bar and the front end of clutch plate rotate to be connected, the middle part sliding connection of hinge bar has the driving lever, the upper end of driving lever and the lower extreme of second quarter butt are articulated mutually, the lower extreme and the ratchet of driving lever mesh mutually, the upper end left side fixedly connected with second gag lever post of hinge bar, the upper end right side fixedly connected with first gag lever post of hinge bar.
The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:
1. this device can be fixed the patient firmly on this device through first fixed band, second fixed band and two fixed blocks, makes things convenient for subsequent massage, operation such as pull to can prevent that the patient from falling and take place danger.
2. The device realizes massage and relaxation of the muscles of the back and the waist of a patient by reciprocating the massage plates in the movable box back and forth and left and right, and prevents the muscles of the patient from being pulled during the mechanical traction of the patient.
3. The intermittent forward movement of this device through the traction plate can carry out the traction of continuation to patient's lumbar vertebrae, can make the lumbar vertebrae obtain abundant rest, reduces the stimulation of motion, is favorable to tissue congestion, the absorption of edema, subsides, still can alleviate muscle spasm, alleviate intervertebral pressure.
4. The device realizes the control of the traction plate through the left and right movement of the clutch plate, and can quickly stop the traction of a patient through controlling the movement of the clutch plate if an accident occurs in the traction process, thereby preventing the accident.
5. This device is through the angle modulation who realizes the regulating plate, comes to carry out gravity to the patient and pulls, uses this mode to some special patients, has increased the towed variety of this device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention in a self-gravity traction state.
Fig. 3 is a schematic view of the fitting structure of the first worm and the adjusting plate according to the present invention.
Fig. 4 is an exploded view of the first rotating plate, the second rotating plate and the limiting block.
FIG. 5 is an exploded view of the stopper of the present invention in cooperation with the first and second slide plates.
Fig. 6 is a schematic view of the fitting structure of the large piston and the pull rod of the invention.
Fig. 7 is a schematic view of the structure of the disc and the massage plate.
Fig. 8 is a schematic view of the structure of the first motor and the guide rod.
Fig. 9 is a schematic view of the exploded structure of the guide bar and the massage plate of the present invention.
Fig. 10 is a schematic view of the structure of the first rack and the massage plate of the present invention.
Fig. 11 is a schematic view of the structure of the second worm and the massage plate of the present invention.
Fig. 12 is an exploded view of the second worm and the massage plate of the present invention.
Fig. 13 is a schematic view of the structure of the traction plate and the second gear.
Fig. 14 is a schematic view of a second motor and a second gear matching structure of the present invention.
Fig. 15 is a schematic view of the second connecting rod and the second gear matching structure of the present invention.
FIG. 16 is a schematic view of the hinge rod and lever assembly of the present invention.
Reference numbers in the figures: 1-base, 2-traction plate, 3-first fixing belt, 4-second fixing belt, 5-adjusting plate, 6-support frame, 7-long cylinder, 8-connecting pipe, 9-short cylinder, 10-telescopic rod, 11-fixing frame, 12-first worm, 13-first worm gear, 14-first bevel gear, 15-second bevel gear, 16-connecting rod, 17-first connecting rod, 18-first threaded rod, 19-second connecting rod, 20-fixing block, 21-second rotating plate, 22-limiting block, 23-first rotating plate, 24-first sliding block, 25-second sliding block, 26-large piston, 27-small piston, 28-pull rod, 29-first motor, 30-disc, 31-guide rod, 32-fixing plate, 33-moving rack, 34-moving box, 35-first rack, 36-first gear, 37-rotating disc, 38-third connecting rod, 39-fourth connecting rod, 40-massage plate, 41-limiting plate, 42-connecting piece, 43-transmission plate, 44-second worm, 45-spring, 46-second rack, 47-second gear, 48-second threaded rod, 49-second motor, 50-fifth connecting rod, 51-first short rod, 52-sixth connecting rod, 53-hinged rod, 54-first limiting rod, 55-second limiting rod, 56-driving rod, 57-ratchet wheel, 58-third worm, 59-third worm wheel, 60-clutch plate, 61-thread block, 61-first limiting rod, 55-second limiting rod, 56-driving rod, 57-ratchet wheel, 58-third worm, 59-third worm wheel, 60-clutch plate, 61-thread block, 62-second worm wheel, 63-third threaded rod and 64-second short rod.
Detailed Description
The following description of the present invention will be made in further detail with reference to the accompanying fig. 1 to 16.
The invention comprises a base 1, wherein the upper end of the front part of the base 1 is connected with a traction plate 2 which can intermittently move forward in a sliding way, the upper end of the middle part of the base 1 is provided with a movable frame 33 which can move left and right, the upper end of the movable frame 33 is connected with a movable box 34 which can move front and back in a sliding way, the movable box 34 can move front and back along with the left and right movement of the movable frame 33, a massage plate 40 which can rotate along with the front and back movement of the movable box 34 is arranged in the movable box 34, and the massage plate 40 can;
the rear portion lower extreme sliding connection of base 1 has support frame 6 that can remove to the right side, remove frame 33 and can remove downwards along with support frame 6 removes to the right side, and the inboard rotation in upper end of support frame 6 is connected with angularly adjustable regulating plate 5, and the rear end left and right sides of regulating plate 5 is fixedly connected with fixed block 20 respectively, fixedly connected with stopper 22 in the fixed block 20, and the inside sliding connection of stopper 22 rear side has two first sliders 24, and the inside sliding connection of stopper 22 front side has two second sliders 25, first slider 24 and second slider 25 can be simultaneously to the inside slip of stopper 22.
When traction treatment is required for a patient as shown in fig. 1, 2 and 3, the device is in the state shown in fig. 1, the patient lies on the upper end surface of the adjusting plate 5, then the second fixing band 4 is wound around the waist of the patient to fix the waist of the patient, then the patient passes both legs through the inside of the fixing block 20, at this time, the two second sliding plates and the two first sliding plates inside the fixing block 20 move to the center of the inside of the fixing block 20 at the same time, so as to clamp both ankles of the patient, so that the lower limbs of the patient can be firmly fixed when the patient is mechanically pulled, at this time, the head and the upper back of the patient are above the traction plate 2, then the shoulder of the patient is fixed above the traction plate 2 by the first fixing band 3, at this time, the moving frame 33 at the lower end of the adjusting plate 5 starts to move left and right, and left, so as to drive the moving box 34 slidably connected to the upper end of the moving frame 33 to start, along with the reciprocating movement of the moving box 34, the massage plate 40 in the moving box 34 starts to rotate along with the moving box, and simultaneously performs small-amplitude back and forth movement while rotating, so that the back and waist muscles of a patient can be fully massaged, the back and waist muscles are fully relaxed, muscle strain caused in the traction process is prevented, then the traction plate 2 starts to gradually move towards the front side, and then traction treatment is performed on the patient, due to individual difference, the tissue compliance is poor, a standardized traction scheme is still lacked, and great difference exists in the aspects of traction duration and frequency, gravity traction can be used for special patients, at the moment, the support frame 6 moves towards the right side, the adjusting plate 5 which is rotatably connected with the upper end is driven to move towards the right side, meanwhile, the moving frame 33 can move downwards along with the moving frame, and the adjusting plate 5 can be prevented from being blocked by the massage plate 40 when moving towards the right side, meanwhile, the restraint of the upper end of the base 1 on the front part of the adjusting plate 5 is also released, then the adjusting plate 5 can be adjusted to the state shown in figure 2, the lumbar of a patient is pulled by the component force of the gravity of the patient, the size of the traction force can be adjusted by the inclined angle of the adjusting plate 5, and the lumbar of different patients can be conveniently pulled.
The rear end internal rotation of base 1 is connected with third threaded rod 63, the left end of third threaded rod 63 rotates with base 1 and is connected, the lower extreme threaded connection of third threaded rod 63 and support frame 6, the upper end left side of support frame 6 rotates and is connected with first worm 12, the front side meshing of first worm 12 has first worm wheel 13, first worm wheel 13 rotates with support frame 6 upper end left side wall and connects, the coaxial rigid coupling in upper end of first worm wheel 13 has first bevel gear 14, the meshing of the upper end of first bevel gear 14 has second bevel gear 15, second bevel gear 15 and the coaxial rigid coupling in middle part of regulating plate 5.
As shown in fig. 2 and 3, rotating the third threaded rod 63 can drive the support frame 6 of the threaded connection to start moving to the right side, after the movement is completed, the first worm 12 can be rotated to drive the first worm wheel 13 of the meshing to rotate, the first worm wheel 13 drives the first bevel gear 14 of the upper end fixed connection to rotate, the first bevel gear 14 can drive the second bevel gear 15 of the meshing to rotate, and then the angle adjustment of the adjustment plate 5 is realized, and the characteristic of the worm wheel and the worm can ensure that the adjustment plate 5 can not change the angle by itself along with the action of gravity.
The inner lower end of the fixed block 20 is rotatably connected with a first threaded rod 18, the lower end of the first threaded rod 18 is in threaded connection with a threaded block 61, the threaded block 61 is in sliding connection with the fixed block 20, the rear end of the threaded block 61 is rotatably connected with a connecting rod 16, the right side of the connecting rod 16 is hinged with a first connecting rod 17, the upper end of the first connecting rod 17 is hinged with a first rotating plate 23, the first rotating plate 23 is rotatably connected with a front limiting block 22, the first rotating plate 23 is slidably connected with two first sliders 24, the left side of the connecting rod 16 is hinged with a second connecting rod 19, the upper end of the second connecting rod 19 is hinged with a second rotating plate 21, the second rotating plate 21 is rotatably connected with a rear limiting block 22, the second rotating plate 21 is slidably connected with two second sliders 25, and the first rotating plate 23 and the second rotating plate 21 simultaneously rotate upwards to form a structure that the first slider 24 and the second.
As shown in fig. 1, 3, 4 and 5, when the ankle of the patient needs to be fixed, only two feet of the patient need to pass through the upper end of the fixing ring, then the first threaded rod 18 is rotated to drive the threaded block 61 of the threaded connection to move upwards, and further drive the hinged connecting rod 16 to move upwards, the connecting rod 16 will simultaneously jack up the first connecting rod 17 and the second connecting rod 19 upwards, when the first connecting rod 17 moves upwards, the first rotating plate 23 hinged at the upper end will be driven to rotate upwards, two inclined sliding grooves are arranged inside the first rotating plate 23, and can be slidably connected with the cylindrical protrusions of the two first sliding blocks 24, the first rotating plate 23 will continue to rotate to realize that the two first sliding blocks 24 move inwards at the same time, so as to clamp the ankle of the patient, and when the second connecting rod 19 moves upwards, the second rotating plate 21 hinged at the upper end will be driven to rotate upwards, the second rotating plate 21 is provided with two inclined sliding grooves inside, and can be slidably connected with the cylindrical protrusions of the two second sliding blocks 25, when the second rotating plate 21 continues to rotate, the two second sliding blocks 25 can move inwards at the same time, and the ankles of most patients are not in a perfect circle shape, when the two first sliding blocks 24 clamp the ankles of the patients, and the two second sliding blocks 25 do not clamp the ankles, the first threaded rod 18 continues to rotate at the moment, the threaded block 61 continues to move upwards, and at the moment, because the two first sliding blocks 24 do not continue to move any more, and further, the position of the right end of the connecting rod 16 does not change any more, the threaded block 61 continues to move upwards, at the moment, the left end of the connecting rod 16 starts to deflect upwards, and further continues to push the second connecting rod 19 to move upwards, and drives the two second sliding.
The lower extreme right side fixedly connected with pull rod 28 of support frame 6, the left end fixedly connected with little piston 27 of pull rod 28, the surface sliding connection of little piston 27 has long cylinder 7, the lower extreme of long cylinder 7 and the upper end fixed connection of base 1, the left end fixedly connected with connecting pipe 8 of long cylinder 7, the right-hand member fixedly connected with short cylinder 9 of connecting pipe 8, the lower extreme of short cylinder 9 and the upper end fixed connection of base 1, sliding connection has big piston 26 in the short cylinder 9.
As shown in fig. 1, 2, and 6, when the supporting frame 6 moves to the right, the supporting frame drives the pull rod 28 to move to the right, and further drives the small piston 27 fixedly connected to the supporting frame to move to the right, at this time, a negative pressure is generated in the long cylinder 7, the negative pressure pumps the gas in the short cylinder 9 into the long cylinder 7 through the connecting pipe 8, the large piston 26 in the long cylinder 7 descends, and the gas volumes in the long cylinder 7 and the short cylinder 9 are the same.
The utility model discloses a big piston 26, including big piston 26, the fixed frame 11 of upper end fixedly connected with, the upper end fixedly connected with fixed plate 32 of fixed frame 11, the first motor 29 of inside fixedly connected with of fixed frame 11, the upper end fixedly connected with disc 30 of first motor 29, the upper end sliding connection of disc 30 has guide bar 31, the upper end of guide bar 31 and the lower extreme sliding connection of fixed plate 32, the upper end of fixed plate 32 and the lower extreme sliding connection of removal frame 33, disc 30 rotates and to form the structure that removes about fixed plate 32.
As shown in fig. 1, fig. 2 and fig. 6, when the large piston 26 moves downward, the fixed frame 11 is driven to move downward, and the four telescopic rods 10 fixedly connected between the base 1 and the fixed frame 11 can limit the fixed frame 11 to lift vertically only, when the first motor 29 in the fixed frame 11 rotates, the disc 30 at the upper end is driven to rotate, the pin rod is fixedly connected to the upper end of the disc 30 and can slide in the guide rod 31, the disc 30 continuously rotates, and the guide rod 31 can be constrained to move left and right reciprocally due to the sliding connection of the limiting rod at the lower end of the fixed plate 32.
A first rack 35 is fixedly connected to the left side inside the moving frame 33, a first gear 36 is meshed with the left side of the first rack 35, the first gear 36 is rotatably connected to the lower end of the moving box 34, a second worm 44 is fixedly connected inside the first gear 36, the second worm 44 is rotatably connected to the bottom surface inside the moving box 34, the lower end of the second worm 44 is respectively connected with the moving frame 33, the fixed plate 32 and the guide rod 31 in a sliding manner, and the moving frame 33 reciprocates left and right to form a structure that the moving box 34 moves left and right and moves back and forth;
a second worm wheel 62 is meshed with the front side of the second worm 44, the right end of the second worm wheel 62 is rotatably connected with the movable box 34, the left end of the second worm wheel 62 is fixedly connected with a rotating disc 37, the left side of the rotating disc 37 is matched with a third connecting rod 38, the middle part of the third connecting rod 38 is rotatably connected with the inner right side wall of the movable box 34, the upper end of the third connecting rod 38 is hinged with a fourth connecting rod 39, the rear end of the fourth connecting rod 39 is hinged with a limiting plate 41, and the limiting plate 41 is rotatably connected with the lower end of the massage plate 40;
the upper end of the second worm 44 is fixedly connected with a transmission plate 43, the upper end of the transmission plate 43 is slidably connected with a connecting piece 42, and the upper end of the connecting piece 42 is slidably connected with the lower end of the massage plate 40.
As shown in fig. 1, 7, 9, 10, 11 and 12, since the lower end of the second worm 44 passes through the fixed plate 32, the moving frame 33 and the guide rod 31 at the same time, and the fixed plate 32 is internally provided with an arc-shaped chute, when the guide rod 31 reciprocates, the lower end of the second worm 44 is driven to reciprocate, and when the guide rod 31 reciprocates and is constrained by the arc-shaped chute, the moving box 34 is driven to reciprocate back and forth in the moving frame 33, and the first rack 35 is fixedly connected to the inside of the moving frame 33, the engaged first gear 36 is driven to rotate, so as to realize the rotation of the second worm 44, when the second worm 44 rotates, the driving plate 43 at the upper end is driven to rotate, the driving plate 43 drives the connecting piece 42 slidably connected at the upper end to rotate, the connecting piece 42 drives the massaging plate 40 slidably connected at the upper end to rotate synchronously, and the second worm 44 will drive the meshed second worm wheel 62 to rotate, and further drive the fixedly connected rotating disc 37 to rotate, the inside of the rotating wheel is provided with an eccentric chute, the lower end of the third connecting rod 38 is connected in the eccentric chute in a sliding manner, when the rotating disc 37 rotates, the lower end of the third connecting rod 38 will be driven to move forwards, so that the upper end of the third connecting rod 38 drives the limit plate 41 to move backwards through the fourth connecting rod 39, because the lower end of the massage plate 40 is connected with the connecting piece 42 in a sliding manner and rotates, when the limit block 22 moves backwards, the lower end of the massage plate 40 will be driven to move backwards, the lower end of the massage plate 40 will slide in the upper end of the connecting piece 42, at this time, the massage plate 40 will be continuously driven to rotate, the moving box 34 will move forwards and backwards while reciprocating left and right at the lower end of the adjusting plate 5, and massage the back and forth of the patient's back, preventing the occurrence of pulling injury during traction.
The front end left and right sides of traction plate 2 is fixedly connected with spring 45 respectively, the front end of two springs 45 and the front portion of upper end of base 1 are fixedly connected, middle part front end fixedly connected with second rack 46 of traction plate 2, the left side meshing of second rack 46 has second gear 47, the lower extreme rotation of second gear 47 is connected with clutch plate 60, the rear end of clutch plate 60 and the front end sliding connection of base 1, the coaxial rigid coupling of lower extreme of second gear 47 has third worm wheel 59, the left end meshing of third worm wheel 59 has third worm 58, the rear end of third worm 58 and the front end rotation of clutch plate 60 are connected, the front end fixedly connected with ratchet 57 of third worm 58.
As shown in fig. 1, fig. 13, fig. 14, fig. 15 and fig. 16, when the ratchet wheel 57 rotates intermittently, the third worm 58 at the rear end is driven to rotate, the third worm 58 drives the meshed third worm wheel 59 to rotate, the third worm wheel 59 drives the second gear 47 with the upper end coaxially and fixedly connected to rotate intermittently, the second gear 47 drives the meshed second rack 46 to move intermittently to the front side, so as to drive the traction plate 2 to move to the front side, so as to drag the patient, the left end of the traction plate 2 is in threaded connection with the second threaded rod 48, the left end of the second threaded rod 48 is in rotational connection with the left side of the upper end of the base 1, if the patient body is uncomfortable during the patient dragging process, the second threaded rod 48 can be rotated to drive the clutch plate 60 to move to the left side, so as to disengage the second gear 47 and the second rack 46, then under the action of the two springs 45, the traction plate 2 can be reset quickly, and the excessive injury to the patient is prevented.
The front end right side fixedly connected with second motor 49 of clutch plate 60, the front end fixedly connected with fifth connecting rod 50 of second motor 49, the right-hand member of fifth connecting rod 50 articulates there is sixth connecting rod 52, the right-hand member of sixth connecting rod 52 articulates there is second quarter butt 64, the upper end of second quarter butt 64 articulates there is first quarter butt 51, the upper end of first quarter butt 51 articulates there is articulated rod 53, the lower extreme of articulated rod 53 and the front end of clutch plate 60 rotate to be connected, the middle part sliding connection of articulated rod 53 has driving lever 56, the upper end of driving lever 56 and the lower extreme of second quarter butt 64 are articulated mutually, the lower extreme and the ratchet 57 of driving lever 56 intermesh, the upper end left side fixedly connected with second gag lever post 55 of articulated rod 53, the upper end right side fixedly connected with first gag lever 54 of articulated rod 53.
As shown in fig. 14, 15 and 16, when the second motor 49 rotates, the fixedly connected fifth link 50 is driven to rotate, the team link drives the hinged sixth link 52 to shift back and forth, when the sixth link 52 moves to the left, the lower end of the first short rod 51 and the upper end of the second short rod 64 are pulled to move to the left, the second short rod 64 pulls the shift lever 56 slidably connected to the hinge rod 53 upward, the engagement with the ratchet 57 is released, when the sixth link 52 moves to the left, the first short rod 51 touches the first limit rod 54, the hinge rod 53 is driven to turn to the left, the friction between the hinge rod 53 and the clutch plate 60 is large, the hinge rod 53 rotates only by pulling, when the hinge rod 53 rotates by a certain angle, the sixth link 52 pushes the lower end of the first short rod 51 and the upper end of the second short rod 64 to move to the right, at this time, the pen holder is driven to move downwards to be engaged with the ratchet 57, the sixth connecting rod 52 continues to move towards the right side, at this time, the first short rod 51 and the second limiting rod 55 start to touch, the hinge rod 53 is driven to reset, the driving lever 56 drives the ratchet 57 to rotate, and the sixth connecting rod 52 reciprocates to realize the intermittent rotation of the ratchet 57.
When the invention is used, when a patient needs traction treatment, the state of the device is as shown in figure 1, the patient lies on the upper end surface of the adjusting plate 5, then the second fixing belt 4 is wound on the waist of the patient, so as to fix the waist of the patient, then the patient passes through the inside of the fixing block 20 with both legs, then the first threaded rod 18 is rotated, the threaded block 61 connected with the threads is driven to move upwards, the hinged connecting rod 16 is driven to move upwards, the connecting rod 16 can simultaneously jack up the first connecting rod 17 and the second connecting rod 19, when the first connecting rod 17 moves upwards, the first rotating plate 23 hinged with the upper end is driven to start to rotate upwards, the inside of the first rotating plate 23 is provided with two inclined sliding grooves which can be in sliding connection with the cylindrical bulges of the two first sliding blocks 24, the first rotating plate 23 rotates continuously, so as to realize that the two first sliding blocks 24 move inwards simultaneously, thereby clamping the ankle of the patient, and when the second connecting rod 19 moves upwards, driving the second rotating plate 21 with the hinged upper end to start to rotate upwards, the second rotating plate 21 is provided with two inclined sliding grooves inside, which can be slidably connected with the cylindrical protrusions of the two second sliding blocks 25, and the second rotating plate 21 continues to rotate, so that the two second sliding blocks 25 simultaneously move inwards, and most of the ankles of the patient are not in a perfect circle shape, when the two first sliding blocks 24 clamp the ankle of the patient, and the two second sliding blocks 25 do not clamp the ankle, the first threaded rod 18 continues to rotate, driving the threaded block 61 to continue to move upwards, and at this time, because the two first sliding blocks 24 do not continue to move, the position of the connecting rod 16 does not change any more, the threaded block 61 continues to move upwards, and at this time, the left end of the connecting rod 16 starts to deflect upwards, and then continues to push the second connecting rod 19 to, the two second sliding blocks 25 are driven to move inwards continuously until the ankle of the patient is clamped, when the first motor 29 in the fixed frame 11 rotates, the disc 30 at the upper end is driven to rotate, the pin rod is fixedly connected to the upper end of the disc 30 and can slide in the guide rod 31, the disc 30 can rotate continuously, the guide rod 31 can be restrained to move back and forth left and right due to the sliding connection of the limiting rod at the lower end of the fixed plate 32, the lower end of the second worm 44 penetrates through the fixed plate 32, the movable frame 33 and the guide rod 31 simultaneously, the arc-shaped sliding groove is formed in the fixed plate 32, when the guide rod 31 moves back and forth, the lower end of the second worm 44 is driven to move back and forth, when the guide rod 31 moves back and forth, the movable box 34 is driven to move back and forth in the movable frame 33 under the restraint of the arc-shaped sliding groove, and the first rack 35 is fixedly connected in the, at this time, the meshed first gear 36 is driven to rotate, so as to realize the rotation of the second worm 44, when the second worm 44 rotates, the upper end transmission plate 43 is driven to rotate, the transmission plate 43 drives the upper end sliding connection connecting piece 42 to rotate, the connecting piece 42 drives the upper end sliding connection massage plate 40 to synchronously rotate, and the second worm 44 drives the meshed second worm wheel 62 to rotate, so as to drive the fixedly connected rotating disc 37 to rotate, an eccentric chute is arranged inside the rotating wheel, the lower end of the third connecting rod 38 is connected in the eccentric chute in a sliding manner, when the rotating disc 37 rotates, the lower end of the third connecting rod 38 is driven to move forwards, so as to realize that the upper end of the third connecting rod 38 drives the limit plate 41 to move backwards through the fourth connecting rod 39, because the lower end of the massage plate 40 is connected with the connecting piece 42 in a sliding manner and rotates, when the limit block 22 moves backwards, the lower end of the massage plate 40 is driven to move backwards at the moment, the lower end of the massage plate 40 slides in the upper end of the connecting piece 42, the massage plate 40 is continuously driven to rotate at the moment, the moving box 34 is formed to move back and forth while the lower end of the adjusting plate 5 moves back and forth in a reciprocating manner, the back and the waist of the patient are fully relaxed and massaged, the patient is prevented from being injured by pulling when being pulled, then the patient is mechanically pulled, the fixedly connected fifth connecting rod 50 is driven to rotate when the two motors rotate, the team connecting rod drives the hinged sixth connecting rod 52 to perform reciprocating offset, the lower end of the first short rod 51 and the upper end of the second short rod 64 are pulled to move leftwards when the sixth connecting rod 52 moves leftwards, the second short rod 64 pulls the shifting lever 56 which is connected with the hinged rod 53 in a sliding manner upwards to release the meshing effect of the ratchet 57, and the first short rod 51 touches the first limiting rod 54 when the sixth connecting rod 52 continues to move leftwards, at this time, the hinge rod 53 is driven to start to turn to the left, the friction between the hinge rod 53 and the clutch plate 60 is large, the hinge rod 53 can be rotated only by pulling, after the hinge rod 53 is driven to rotate by a certain angle, the sixth connecting rod 52 starts to move to the right at this time, the lower end of the first short rod 51 and the upper end of the second short rod 64 are pushed to move to the right, the pen holder is driven to move downwards to start to be meshed with the ratchet 57 at this time, the sixth connecting rod 52 continues to move to the right, at this time, the first short rod 51 and the second limiting rod 55 start to touch, the hinge rod 53 is driven to reset, the poking rod 56 drives the ratchet 57 to rotate, the sixth connecting rod 52 reciprocates to realize the intermittent rotation of the ratchet 57, the rear third worm 58 is driven to rotate when the ratchet 57 rotates intermittently, the third worm 58 drives the meshed third worm wheel 59 to rotate, the third worm wheel 59 drives a second gear 47 with the upper end coaxially and fixedly connected to rotate intermittently, the second gear 47 can drive a meshed second rack 46 to move intermittently to the front side, so as to drive the traction plate 2 to move to the front side and drag a patient, the left end of the traction plate 2 is in threaded connection with a second threaded rod 48, the left end of the second threaded rod 48 is in rotational connection with the left side of the upper end of the base 1, if discomfort occurs to the body of the patient during the process of dragging the patient, the second threaded rod 48 can be rotated to drive the clutch plate 60 to move to the left side, so that the second gear 47 and the second rack 46 are disengaged, and then under the action of the two springs 45, the traction plate 2 can be reset rapidly, so that excessive injury to the patient is prevented;
because of individual difference and poor tissue compliance, a standardized traction scheme is still lacked, and the traction duration and frequency are greatly different, the self-gravity traction can be used for special patients, at the moment, the support frame 6 moves towards the right side to drive the adjusting plate 5 with the upper end rotatably connected to the right side to move, when the support frame 6 moves towards the right side, the right side of the pull rod 28 box is driven to move, and further the small piston 27 fixedly connected to the right side is driven to move towards the right side, at the moment, negative pressure is generated in the long cylinder 7, the negative pressure pumps the gas in the short cylinder 9 into the long cylinder 7 through the connecting pipe 8, the large piston 26 in the long cylinder 7 descends along with the negative pressure, the gas capacity in the long cylinder 7 and the gas capacity in the short cylinder 9 are consistent, when the large piston 26 moves downwards, the fixed connecting fixed frame 11 is driven to move downwards, and the four telescopic rods 10 fixedly connected between the base 1 and the fixed frame 11 can limit that the fixed frame 11 can only, can prevent that adjusting plate 5 can be blockked by massage board 40 when moving to the right side, also remove the anterior restraint of base 1 upper end to adjusting plate 5 simultaneously, then can adjust adjusting plate 5 to the state as shown in fig. 2, after removing the completion, can rotate first worm 12 and drive the first worm wheel 13 of meshing and rotate, first worm wheel 13 drives upper end fixed connection's first bevel gear 14 and rotates, first bevel gear 14 can drive the second bevel gear 15 of meshing and rotate, and then realize adjusting plate 5's angle modulation, and can guarantee that adjusting plate 5 can not change the angle along with the effect of gravity by oneself because the characteristic of worm gear.
The lumbar traction device is novel in structure, ingenious in conception and simple and convenient to operate, and effectively solves the problems that the existing lumbar traction device cannot perform traction treatment in a single traction mode, cannot perform traction treatment on patients with different physical qualities, cannot massage and relax the muscles of the back and the waist of the patient before the traction treatment, cannot perform good fixation on the limbs of the patient in the traction process, and cannot perform continuous traction on the lumbar of the patient in the traction process.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The traditional Chinese medicine orthopedics lumbar traction device comprises a base (1) and is characterized in that the upper end of the front part of the base (1) is connected with a traction plate (2) capable of moving forwards intermittently in a sliding mode, the upper end of the middle part of the base (1) is provided with a moving frame (33) capable of moving left and right, the upper end of the moving frame (33) is connected with a moving box (34) capable of moving back and forth in a sliding mode, the moving box (34) can move back and forth along with the left and right movement of the moving frame (33), a massage plate (40) capable of rotating along with the back and forth movement of the moving box (34) is arranged in the moving box (34), and the;
the utility model discloses a support frame, including base (1), removal frame (33), regulation board (5), regulation board (22), stopper (22) rear side inside sliding connection has two first sliders (24), stopper (22) front side inside sliding connection has two second sliders (25), first slider (24) and second slider (25) can be simultaneously to stopper (22) inside slip, the rear portion lower extreme sliding connection of base (1) has support frame (6) that can remove to the right side, removal frame (33) can be along with support frame (6) remove to the right side and move down, the inboard rotation in upper end of support frame (6) is connected with angularly adjustable regulation board (5), the rear end left and right sides difference fixedly connected with fixed block (20) of regulation board (5), fixed block (20) interior fixedly connected with stopper (22).
2. The traditional Chinese medicine orthopedics lumbar traction device according to claim 1, characterized in that a third threaded rod (63) is rotatably connected to the inside of the rear end of the base (1), the left end of the third threaded rod (63) is rotatably connected with the base (1), the third threaded rod (63) is in threaded connection with the lower end of the support frame (6), the left side of the upper end of the support frame (6) is rotatably connected with a first worm (12), the front side of the first worm (12) is engaged with a first worm wheel (13), the first worm wheel (13) is rotatably connected with the left side wall of the upper end of the support frame (6), a first bevel gear (14) is coaxially fixedly connected to the upper end of the first worm wheel (13), a second bevel gear (15) is engaged to the upper end of the first bevel gear (14), and the second bevel gear (15) is coaxially fixedly connected with the middle of.
3. The traditional Chinese medicine orthopedics lumbar traction device according to claim 1, characterized in that a first threaded rod (18) is rotatably connected to the lower end inside the fixed block (20), a threaded block (61) is connected to the lower end of the first threaded rod (18) in a threaded manner, the threaded block (61) is slidably connected to the fixed block (20), a connecting rod (16) is rotatably connected to the rear end of the threaded block (61), a first connecting rod (17) is hinged to the right side of the connecting rod (16), a first rotating plate (23) is hinged to the upper end of the first connecting rod (17), the first rotating plate (23) is rotatably connected to the front stopper (22), the first rotating plate (23) is slidably connected to the two first sliders (24), a second connecting rod (19) is hinged to the left side of the connecting rod (16), a second rotating plate (21) is hinged to the upper end of the second connecting rod (19), and the second rotating plate (21) is rotatably connected to the rear stopper (, the second rotating plate (21) is connected with the two second sliding blocks (25) in a sliding mode, and the first rotating plate (23) and the second rotating plate (21) rotate upwards simultaneously to form a structure that the first sliding blocks (24) and the second sliding blocks (25) move inwards simultaneously.
4. The traditional Chinese medicine orthopedics lumbar traction device according to claim 1, characterized in that the lower end right side of support frame (6) is fixedly connected with pull rod (28), the left end fixedly connected with of pull rod (28) has little piston (27), the surface sliding connection of little piston (27) has long cylinder (7), the lower extreme of long cylinder (7) and the upper end fixed connection of base (1), the left end fixedly connected with connecting pipe (8) of long cylinder (7), the right-hand member fixedly connected with short cylinder (9) of connecting pipe (8), the lower extreme of short cylinder (9) and the upper end fixed connection of base (1), sliding connection has big piston (26) in short cylinder (9).
5. The traditional Chinese medicine orthopedics lumbar traction device according to claim 4, characterized in that the upper end of big piston (26) is fixedly connected with fixed frame (11), the upper end of fixed frame (11) is fixedly connected with fixed plate (32), the inside of fixed frame (11) is fixedly connected with first motor (29), the upper end of first motor (29) is fixedly connected with disc (30), the upper end sliding connection of disc (30) has guide bar (31), the upper end of guide bar (31) and the lower extreme sliding connection of fixed plate (32), the upper end of fixed plate (32) and the lower extreme sliding connection of removal frame (33), disc (30) rotate and can form the structure that fixed plate (32) moves left and right.
6. The traditional Chinese medicine orthopedics lumbar traction device according to claim 4, characterized in that a first rack (35) is fixedly connected to the left side of the interior of the moving frame (33), a first gear (36) is meshed to the left side of the first rack (35), the first gear (36) is rotatably connected to the lower end of the moving box (34), a second worm (44) is fixedly connected to the interior of the first gear (36), the second worm (44) is rotatably connected to the bottom surface of the interior of the moving box (34), the lower end of the second worm (44) is respectively slidably connected with the moving frame (33), the fixed plate (32) and the guide rod (31), and the moving frame (33) reciprocates left and right to form a structure that the moving box (34) moves left and right and moves back and forth;
a second worm wheel (62) is meshed with the front side of the second worm (44), the right end of the second worm wheel (62) is rotatably connected with the movable box (34), a rotating disc (37) is fixedly connected with the left end of the second worm wheel (62), a third connecting rod (38) is matched with the left side of the rotating disc (37), the middle of the third connecting rod (38) is rotatably connected with the right side wall of the inner part of the movable box (34), a fourth connecting rod (39) is hinged to the upper end of the third connecting rod (38), a limiting plate (41) is hinged to the rear end of the fourth connecting rod (39), and the limiting plate (41) is rotatably connected with the lower end of the massage plate (40);
the upper end of the second worm (44) is fixedly connected with a transmission plate (43), the upper end of the transmission plate (43) is connected with a connecting piece (42) in a sliding mode, and the upper end of the connecting piece (42) is connected with the lower end of the massage plate (40) in a sliding mode.
7. The traditional Chinese medicine orthopedics lumbar traction device according to claim 1, characterized in that springs (45) are fixedly connected to the left and right sides of the front end of the traction plate (2) respectively, the front ends of the two springs (45) are fixedly connected to the front portion of the upper end of the base (1), the front end of the middle portion of the traction plate (2) is fixedly connected to a second rack (46), a second gear (47) is meshed to the left side of the second rack (46), the lower end of the second gear (47) is rotatably connected to a clutch plate (60), the rear end of the clutch plate (60) is slidably connected to the front end of the base (1), a third worm wheel (59) is coaxially and fixedly connected to the lower end of the second gear (47), a third worm (58) is meshed to the left end of the third worm wheel (59), the rear end of the third worm (58) is rotatably connected to the front end of the clutch plate (60), and a ratchet (57) is fixedly connected to the front end of the.
8. The traditional Chinese medicine orthopedics lumbar traction device according to claim 7, characterized in that a second motor (49) is fixedly connected to the right side of the front end of the clutch plate (60), a fifth connecting rod (50) is fixedly connected to the front end of the second motor (49), a sixth connecting rod (52) is hinged to the right end of the fifth connecting rod (50), a second short rod (64) is hinged to the right end of the sixth connecting rod (52), a first short rod (51) is hinged to the upper end of the second short rod (64), a hinge rod (53) is hinged to the upper end of the first short rod (51), the lower end of the hinge rod (53) is rotatably connected to the front end of the clutch plate (60), a shift lever (56) is slidably connected to the middle of the hinge rod (53), the upper end of the shift lever (56) is hinged to the lower end of the second short rod (64), the lower end of the shift lever (56) is meshed with a ratchet wheel (57), a second limit rod (55) is fixedly connected to the left side of, the right side of the upper end of the hinged rod (53) is fixedly connected with a first limiting rod (54).
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