CN109806095B - A kind of double-leg flexion attitude drive auxiliary device - Google Patents

Abstract

The invention discloses a double-leg buckling posture driving auxiliary device which comprises a leg placing bed, a pedal type driving device and two thigh massaging devices, wherein the two thigh massaging devices are arranged on the front side and the rear side of the left end of the leg placing bed, and the pedal type driving device is arranged at the right end of the leg placing bed. The invention can solve the problems that a caregiver usually uses two hands to fix two legs of a person, needs another caregiver to massage the person, feels sour and painful when the caregiver fixes the two legs of the person for a long time, feels uncomfortable when the person keeps one posture for a long time and the like, and has the advantages that the caregiver can help the legs of the person to keep a buckling posture only by stepping on the feet, so that the sour and painful feeling caused by the work of the caregiver is reduced, and the two hands of the caregiver can massage the person.

Description

A kind of double-leg flexion attitude drive auxiliary device

technical field

The invention relates to the technical field of rehabilitation training, in particular to a double-leg flexion posture driving auxiliary device.

Background technique

Rehabilitation training is a kind of training that uses appropriate, directional, or targeted body movements to help the body return to a normal state and maximize the recovery or improvement of people's functions. In some early rehabilitation training, caregivers usually help The person's legs are kept in a flexed position to speed up recovery, however, caregivers today help people maintain the flexed position with the following problems: 1. The caregiver usually uses both hands to immobilize the person's legs, requiring another caregiver to massage the person; 2. Caregivers will feel soreness in their hands when they fix the person's legs for a long time, and the person will feel uncomfortable if they keep one position for a long time.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides an auxiliary device for driving the flexion posture of the legs, which can solve the problem that the caregiver usually uses both hands to fix the legs of the person, and another caregiver is needed to massage the person, and the caregiver can fix the legs of the person for a long time. Hands will feel sore, and people will feel uncomfortable if they keep one position for a long time.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a double-leg flexion posture drive auxiliary device, comprising a leg placement bed, a pedal-type drive device and two thigh massage devices, the legs are placed on the left side of the bed at the front and rear of the bed. Two thigh massage devices are installed on both sides, and a foot-operated drive device is installed on the right end of the leg placement bed.

The right end of the leg placement bed is provided with an empty slot, and the front and rear sides of the middle part of the leg placement bed are provided with two inlet and outlet slots; the leg placement bed is provided with two through slots, and each through slot is connected with an inlet and outlet slot grooves are connected;

The foot-operated driving device includes two foot fixing mechanisms, two placing mechanisms, two auxiliary mechanisms, a clamping mechanism and a driving mechanism. The right end of each foot fixing mechanism is provided with a placing mechanism, each entry and exit slot is provided with an auxiliary mechanism, the upper end of the leg placement bed is equipped with a clamping mechanism, and the front end of the clamping mechanism is equipped with a driving mechanism. The caregiver can move the person's feet in a flexion posture through the pedal-operated driving device, and the caregiver's hands can massage the person, which improves the work efficiency of a single caregiver;

The drive mechanism includes a connecting rope, a foot stand, an auxiliary rack plate, a combined gear rack, a limit ring and a steering plate. The right end of the connecting rope is connected with the sliding plate, and the middle part of the connecting rope is connected with the auxiliary rack plate. The rack plate is connected to the lateral sliding frame by sliding fit, the left end of the connecting rope is connected to the foot frame, the auxiliary rack plate is engaged with a combined gear frame, and a limit ring is installed in the middle of the front end of the bed, and the legs are placed A steering plate is installed on the left side of the upper end of the bed, and the connecting rope is placed in the bed from right to left through the transverse sliding frame, the limit ring, the steering plate and the legs;

The thigh massage device includes two fixed plates, a telescopic rod, two buffer plates and a rolling massage stick. The two fixed plates are installed on the leg placement bed. The fixed plate is evenly installed with a telescopic rod, and the top of the telescopic rod is installed On the buffer plate, there are massage grooves evenly on the buffer plate, rolling massage sticks are installed in the massage grooves through pins, and protruding massage blocks are evenly arranged on the rolling massage sticks along its circumference. When the body changes from straight to flexed posture, the rolling massage sticks on both sides perform rolling massage on both sides of the person's thigh, which improves the comfort of the person;

The foot fixing mechanism includes a lifting plate, a lifting slider, a moving plate, a placing frame, two straight plates, a card position frame, a card slot frame, a main spring and a lifting control branch chain, and the left end of the lifting plate is provided with a lifting slider. , the lifting slider is connected with the empty groove by sliding fit, the lifting control branch chain is installed on the outer end of the lifting board, the inside of the lifting board is connected with the moving board by sliding fit, and the main spring is connected between the moving board and the lifting board The upper end of the moving plate is provided with an L-shaped groove, and the L-shaped groove is connected with the right end of the placing frame through a pin shaft. The upper end of the placing frame is installed with two straight plates, and a clamping frame is arranged between the two straight plates. The right end of the lifting plate A card slot frame is installed;

The upper end of the card slot frame is provided with a pulley through the pin shaft, and the left end of the card slot frame is provided with a card slot block;

The lifting control branch chain includes an upper plate, a lower plate and a threaded rod, the lower plate is installed on the leg bed, the lower plate is connected with the lower end of the threaded rod through a bearing, and the middle of the threaded rod is connected with the upper plate through a threaded transmission mode. , the upper plate is installed on the lifting plate;

The placement mechanism includes a foot placing platform, an L frame, a connecting spring, a pin and a connecting slider. The connecting slider is installed on the side wall of the foot placing platform, and the connecting slider is placed with the leg by sliding fit. The bed is connected, the right end of the foot placement platform is installed with a post, the right end of the leg placed bed is installed with an L frame, a connecting spring is connected between the L frame and the foot placement platform, and the lower end of the foot placement platform is from left to right. is a gradually downward sloping structure;

The auxiliary mechanism includes a positioning frame, a lateral U frame, a solid block, an auxiliary spring, a clamping block, a jacking block, a lifting rack plate, a placing ring and a top spring, and the lateral U frame is connected with the inlet and outlet grooves by sliding fit. , A top spring is connected between the horizontal U frame and the inlet and outlet grooves, and a solid block is installed at the rear end of the horizontal U frame. The solid block is connected to the clamping block through an auxiliary spring. It is connected with the lifting rack plate by sliding fit, the upper end of the lifting rack plate is connected with the placing ring through the pin shaft, the lower end of the leg placement bed is installed with a positioning frame, and the positioning frame corresponds to the lifting rack plate;

The clamping mechanism includes two lateral sliding frames, connecting springs, sliding plates, two triangular blocks, pushing links and fixing springs. The sliding frame is connected with the sliding plate by means of sliding fit, and the sliding plate and the lateral sliding frame are connected by connecting springs. A push link is connected between the triangular blocks;

The combined gear rack includes a main shaft, two matching gears and a main gear, the main shaft is installed in the inlet and outlet grooves through bearings, two matching gears are installed on the main shaft, the front end of the main shaft is installed with a main gear, the main gear and the auxiliary rack plate. connected;

The said post includes a cylinder, a return spring and a clamping block, and the middle of the cylinder is connected with the clamping block through the return spring;

The front end of the clamping frame is provided with two in-out blocks, and the in-out blocks are connected with the clamping frame through built-in springs, and the rear end of the clamping frame is connected with the straight plate through a pin shaft.

Beneficial effects of the present invention:

1. The present invention has the advantages that the caregiver can help the person's leg to maintain a flexed posture only by stepping on the foot, which reduces the soreness caused by the caregiver's work, and the caregiver can massage the personnel with both hands without the cooperation of multiple caregivers. Work, the present invention is suitable for the rehabilitation training of one leg or both legs, when the person's leg is flexed, the rolling massage sticks on both sides perform rolling massage on both sides of the thigh, which improves the comfort of the person and the like;

2. The present invention is provided with a pedal-type driving device, which can help the staff to maintain the flexed posture of the legs only by stepping on the feet, reducing the soreness caused by the caregiver's work, and the caregiver can massage the personnel with both hands without the need for Multiple caregivers work together, and the present invention is suitable for the rehabilitation training of one leg or both legs;

3. The present invention is provided with a thigh massage device. When a person's leg changes from a straightened to a flexed posture, the rolling massage sticks on both sides perform rolling massage on both sides of the person's thigh, which improves the comfort of the person.

Description of drawings

FIG. 1 is a schematic diagram of the first structure of the present invention.

FIG. 2 is a schematic diagram of the second structure of the present invention.

3 is a schematic diagram of the structure between the leg placement bed and the foot fixing mechanism of the present invention.

4 is a schematic diagram of the structure between the leg placement bed, the placement mechanism and the clamping mechanism of the present invention.

FIG. 5 is a schematic view of the structure between the leg placement bed and the auxiliary mechanism of the present invention.

FIG. 6 is a partial enlarged view of FIG. 5 in the X direction of the present invention.

Detailed ways

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a double-leg flexion posture driving auxiliary device, including a leg placing bed 1, a foot-operated driving device 2 and two thigh massagers Device 3, two thigh massage devices 3 are installed on the front and rear sides of the left end of the leg placement bed 1, and a pedal drive device 2 is installed at the right end of the leg placement bed 1;

The right end of the leg placement bed 1 is provided with an empty slot, and the front and rear sides of the middle part of the leg placement bed 1 are provided with two in and out slots; the leg placement bed 1 is provided with two through slots, and each through slot is provided. Both communicate with an inlet and outlet slot;

The pedal-type driving device 2 includes two foot fixing mechanisms 21, two placing mechanisms 22, two auxiliary mechanisms 23, a clamping mechanism 24 and a driving mechanism 25. The foot fixing mechanism 21, the right end of each foot fixing mechanism 21 is provided with a placing mechanism 22, each entry and exit groove is provided with an auxiliary mechanism 23, the upper end of the leg placing bed 1 is provided with a clamping mechanism 24, A driving mechanism 25 is installed at the front end of the clamping mechanism 24. During specific work, the caregiver can move the person's feet in a flexed posture through the pedal-operated driving device 2, and the caregiver's hands can massage the person. the productivity of individual caregivers;

The driving mechanism 25 includes a connecting rope 251, a foot stand 252, an auxiliary rack plate 253, a combined gear rack 254, a limit ring 255 and a steering plate 256. The right end of the connecting rope 251 is connected to the sliding plate 243, and the connecting rope 251 The middle part is connected with the auxiliary rack plate 253, the auxiliary rack plate 253 is connected with the lateral sliding frame 241 by sliding fit, the left end of the connecting rope 251 is connected with the foot frame 252, and the auxiliary rack plate 253 is meshed with a combined gear frame 254, a limit ring 255 is installed in the middle of the front end of the leg bed 1, a turning plate 256 is installed on the left side of the upper end of the leg bed 1, and the connecting rope 251 passes through the lateral sliding frame 241, the limit ring 255, The turning plate 256 and the legs are placed in the bed 1;

The foot fixing mechanism 21 includes a lifting plate 211 , a lifting slider 212 , a shifting plate 213 , a placing frame 214 , two straight plates 215 , a card position frame 216 , a card slot frame 217 , a main spring 218 and a lifting control chain 219 . , the left end of the lifting plate 211 is provided with a lifting slider 212, the lifting slider 212 is connected with the empty groove by sliding fit, the outer end of the lifting plate 211 is installed with a lifting control branch 219, and the inner part of the lifting plate 211 is connected by sliding fit It is connected with the moving plate 213. A main spring 218 is connected between the moving plate 213 and the lifting plate 211. The upper end of the moving plate 213 is provided with an L-shaped groove. Two straight plates 215 are installed on the upper end of the lift plate 215 , a card slot frame 216 is installed between the two straight plates 215 , and a card slot frame 217 is installed on the right end of the lifting plate 211 ;

During specific work, according to the position of the leg that the personnel needs to train, the personnel controls the branch chain 219 to raise the lifting plate 211, and the lifting plate 211 drives the placing mechanism 22 to move to the right. The clamping frame 216 is clamped into the two straight plates 215 to limit the position of the ankle. When the caregiver controls the present invention to drive the flexion of the leg, since the shifting plate 213 and the placing frame 214 are connected by a pin shaft, the foot of the person can follow the movement. Adjust the angle according to the flexion movement of the leg to avoid injury to the foot, and the foot fixing mechanism 21 limits the foot of the person and assists the flexion movement of the leg;

The upper end of the card slot frame 217 is provided with a pulley through the pin shaft, and the pulley reduces the friction with the lower end surface of the foot placing platform 221. The left end of the card slot frame 217 is provided with a card slot block, which is connected to the The clamping mechanism 24 cooperates with the corresponding card;

The lift control branch chain 219 includes an upper plate 2191, a lower plate 2192 and a threaded rod 2193. The lower plate 2192 is installed on the leg bed 1, and the lower plate 2192 is connected to the lower end of the threaded rod 2193 through a bearing. The middle part is connected to the upper plate 2191 by means of threaded transmission, and the upper plate 2191 is installed on the lifting plate 211. During specific work, the caregiver rotates the threaded rod 2193 to drive the upper plate 2191 to rise and fall, the lifting plate 211 rises, and the personnel control the branch chain through the lifting and lowering. 219 to control the rise of the lift plate 211;

The placing mechanism 22 includes a foot placing platform 221, an L frame 222, a connecting spring 223, a post 224 and a connecting slider 225. The connecting slider 225 is installed on the side wall of the foot placing platform 221, and the connecting slider 225 It is connected to the leg-placement bed 1 by sliding fit, the right end of the foot-placement platform 221 is installed with a post 224 , and the right end of the leg-placement bed 1 is installed with an L frame 222 , between the L frame 222 and the footrest platform 221 Connected with the connecting spring 223, the lower end surface of the foot placement platform 221 is a structure that gradually slopes downward from left to right. During specific work, the foot placement platform 221 is the initial placement position of the personnel's feet. When the personnel's legs need to be trained When the lifting plate 211 rises, the lifting plate 211 squeezes the foot placing platform 221 to move to the right, and when the lifting plate 211 rises to the highest position, the pin 224 is inserted into the L frame 222 to limit the foot placing platform 221. The lifting plate 211 is lowered, the post 224 is pressed, the foot placing platform 221 is reset, and the placing mechanism 22 is used for the usual placement of the feet of the personnel;

The auxiliary mechanism 23 includes a positioning frame 231, a horizontal U frame 232, a fixing block 235, an auxiliary spring 236, a clamping block 233, a jacking block 234, a lifting rack plate 237, a placing ring 238 and a top spring 239. The frame 232 is connected with the inlet and outlet slots by sliding fit, a top spring 239 is connected between the horizontal U frame 232 and the inlet and outlet slots, and a solid block 235 is installed at the rear end of the horizontal U frame 232. The connecting block 233 is connected, the through groove is provided with a jacking block 234, the horizontal U frame 232 is connected with the lifting rack plate 237 by sliding fit, and the upper end of the lifting rack plate 237 is connected with the placing ring 238 through the pin shaft, and the legs A positioning frame 231 is installed on the lower end of the bed 1, and the positioning frame 231 corresponds to the lifting rack plate 237. During specific work, when the leg of the person placed on the auxiliary mechanism 23 does not need to be trained, the horizontal U frame 232 Moving to the right makes the engaging block 233 snap into the through slot, and the jacking block 234 rises. When the leg of the person placed on the auxiliary mechanism 23 needs to be trained, the lifting rack plate 237 is assisted by the top spring 239 and the combined gear The frame 254 is engaged, and the auxiliary mechanism 23 assists the lifting and bending of the knee joint of the personnel, which increases the comfort of the personnel;

The clamping mechanism 24 includes two lateral sliding frames 241, connecting springs 242, sliding plates 243, two triangular blocks 244, pushing links 245 and fixing springs 246, and the two lateral sliding frames 241 are installed on the legs to place the bed. At the front and rear ends of 1, the two lateral sliding frames 241 are connected with the sliding plate 243 by means of sliding fit, and the sliding plate 243 and the lateral sliding frame 241 are connected by connecting springs 242. The sliding plate 243 is provided with two operation slot, the operation slot is connected with the triangular block 244 through the fixed spring 246, and a push link 245 is connected between the two triangular blocks 244;

During specific work, when the legs of the personnel need to be trained, the lifting plate 211 rises so that the triangular block 244 is inserted into the slot frame 217, the sliding plate 243 and the slot frame 217 are limited, and then the feet are fixed. Step down on the foot stand 252, the connecting rope 251 drives the sliding plate 243 and the auxiliary rack plate 253 to move left, the sliding plate 243 drives the foot of the person to move to the left, so that the person's leg gradually bends, and the auxiliary rack plate 253 passes through the combined gear rack 254. The lifting rack plate 237 is driven to rise, and the placement ring 238 assists the lifting and bending of the knee joint of the personnel, thereby reducing the discomfort of the personnel;

The combined gear rack 254 includes a main shaft 2541, two matching gears 2542 and a main gear 2543. The main shaft 2541 is installed in the inlet and outlet grooves through bearings, and two matching gears 2542 are installed on the main shaft 2541. 2543, the main gear 2543 is connected with the auxiliary rack plate 253, the main gear 2543 cooperates with the auxiliary rack plate 253 to drive the matching gear 2542 to rotate, and the matching gear 2542 drives the placement ring 238 to rise and fall;

The post 224 includes a cylinder 2241, a return spring 2242 and a blocking block 2243. The middle of the cylinder 2241 is connected to the blocking block 2243 through a restoring spring 2242. 223 assisted reset;

The front end of the card position frame 216 is provided with two in and out blocks, and the in and out blocks are connected with the card position frame 216 through a built-in spring, the rear end of the card position frame 216 is connected with the straight plate 215 through a pin, and the in and out block is connected with the straight plate 215. To limit the foot of the person, when the foot fixing mechanism 21 does not need to limit the foot of the person, the caregiver presses the in-out block to separate the in-out block from the interior of the straight plate 215;

The thigh massage device 3 includes two fixed plates 31, a telescopic rod 32, two buffer plates 33 and a rolling massage stick 34. The two fixed plates 31 are installed on the leg bed 1, and the fixed plates 31 are evenly installed. There is a telescopic rod 32, the top of the telescopic rod 32 is installed on the buffer plate 33, the buffer plate 33 is evenly provided with massage grooves, and a rolling massage rod 34 is installed in the massage groove through a pin shaft, and the rolling massage rod 34 is along its circumference. The protruding massage blocks are evenly arranged in the direction. When the person's legs are changed from straight to flexed, the rolling massage sticks 34 on both sides perform rolling massage on both sides of the person's thigh, which improves the comfort of the person.

The installation position of the present invention: connect the left end of the present invention with the right end of the existing bed body, so that the personnel can lie on the existing bed body and place their legs on the two foot placement platforms 221;

Pre-preparation: The caregiver rotates the threaded rod 2193 to drive the upper plate 2191 up and down, the lift plate 211 rises, the lift plate 211 squeezes the foot and the platform 221 moves to the right, when the lift plate 211 rises to the highest position, the pin 224 is inserted into the L frame 222 The foot placing platform 221 is limited, at this time, the person's feet are on the placing frame 214, and the caregiver clips the clamping frame 216 into the two straight plates 215 to limit the position of the ankle;

The person maintains a flexed posture: when the lifting plate 211 rises to the highest position, the triangular block 244 is stuck into the slot frame 217, and the sliding plate 243 and the slot frame 217 are limited. The connecting rope 251 drives the sliding plate 243 and the auxiliary rack plate 253 to move to the left. The sliding plate 243 drives the foot of the person to move to the left so that the leg of the person gradually bends. The auxiliary rack plate 253 drives the lifting rack plate 237 to rise through the combination gear rack 254. The placement ring 238 rises synchronously to assist the lifting and bending of the knee joint of the person;

Massage: When the person's legs are changed from straight to flexed, the rolling massage sticks 34 on both sides perform rolling massage on both sides of the person's thigh, which improves the comfort of the person, and the caregiver massages the person as a whole with both hands.

Claims (7)

1. A double-leg flexion attitude drive auxiliary device, comprising a leg placement bed (1), a foot-operated drive device (2) and two thigh massage devices (3), it is characterized in that: the described leg placement bed (1) Two thigh massage devices (3) are installed on the front and rear sides of the left end, and a pedal drive device (2) is installed on the right end of the leg bed (1); The right end of the leg placement bed (1) is provided with an empty slot, the front and rear sides of the middle part of the leg placement bed (1) are provided with two in and out slots; the leg placement bed (1) is provided with two through slots , and each through slot communicates with an inlet and outlet slot; The pedal-type driving device (2) includes two foot fixing mechanisms (21), two placing mechanisms (22), two auxiliary mechanisms (23), a clamping mechanism (24) and a driving mechanism (25) , two foot fixing mechanisms (21) are arranged at the front and rear ends of the empty slot, the right end of each foot fixing mechanism (21) is provided with a placing mechanism (22), and each entry and exit slot is provided with a an auxiliary mechanism (23), a clamping mechanism (24) is installed on the upper end of the leg placement bed (1), and a driving mechanism (25) is installed at the front end of the clamping mechanism (24); The drive mechanism (25) includes a connecting rope (251), a foot stand (252), an auxiliary rack plate (253), a combined gear rack (254), a limit ring (255) and a steering plate (256), The right end of the connecting rope (251) is connected with the sliding plate (243), the middle part of the connecting rope (251) is connected with the auxiliary rack plate (253), and the auxiliary rack plate (253) is slidingly fitted with the lateral sliding frame (241). ) is connected, the left end of the connecting rope (251) is connected with the foot frame (252), the auxiliary rack plate (253) is engaged with a combined gear frame (254), and a limit ring is installed in the middle of the front end of the leg rest bed (1). (255), a steering plate (256) is installed on the left side of the upper end of the leg rest bed (1), and the connecting rope (251) passes through the lateral sliding frame (241), the limit ring (255), the steering plate from right to left (256) and the legs are placed in the bed (1); The thigh massage device (3) includes two fixed plates (31), a telescopic rod (32), two buffer plates (33) and a rolling massage stick (34), and the two fixed plates (31) are installed on the legs. A telescopic rod (32) is evenly installed on the fixed plate (31), the top of the telescopic rod (32) is installed on the buffer plate (33), and massage grooves are evenly arranged on the buffer plate (33). , a rolling massage stick (34) is installed in the massage tank through a pin shaft, and protruding massage blocks are evenly arranged on the rolling massage stick (34) along its circumferential direction; The auxiliary mechanism (23) includes a positioning frame (231), a transverse U frame (232), a solid block (235), an auxiliary spring (236), a clamping block (233), a jacking block (234), a lifting tooth The strip (237), the placing ring (238) and the top spring (239), the transverse U frame (232) is connected with the inlet and outlet grooves by sliding fit, and a top spring (232) is connected between the transverse U frame (232) and the inlet and outlet grooves. 239), a solid block (235) is installed at the rear end of the horizontal U frame (232), and the solid block (235) is connected with the clamping block (233) through an auxiliary spring (236), and a jacking block ( 234), the transverse U frame (232) is connected with the lifting rack plate (237) by sliding fit, the upper end of the lifting rack The lower end of 1) is installed with a positioning frame (231); The clamping mechanism (24) includes two lateral sliding frames (241), a connecting spring (242), a sliding plate (243), two triangular blocks (244), a push link (245) and a fixing spring (246) ), two lateral sliding frames (241) are installed on the front and rear ends of the leg bed (1), and the two lateral sliding frames (241) are connected to the sliding plate (243) by sliding fit, and the sliding plate ( 243) and the lateral sliding frame (241) are connected by connecting springs (242), two operating grooves are provided on the sliding plate (243), and the operating grooves are connected with the triangular block (244) by a fixing spring (246), and the two operating grooves are connected with each other. A push link (245) is connected between the three triangular blocks (244). 2 . The auxiliary device for driving the flexion posture of both legs according to claim 1 , wherein the foot fixing mechanism ( 21 ) comprises a lift plate ( 211 ), a lift slide block ( 212 ), a shift plate ( 213), a placing frame (214), two straight plates (215), a card position frame (216), a card slot frame (217), a main spring (218) and a lift control branch chain (219), the The left end is provided with a lifting slider (212), and the lifting slider (212) is connected with the empty groove by sliding fit; A lift control branch chain (219) is installed on the outer end of the lift plate (211), the inside of the lift plate (211) is connected with the shift plate (213) by means of sliding fit, and the space between the shift plate (213) and the lift plate (211) is The main spring (218) is connected, the upper end of the moving plate (213) is provided with an L-shaped groove, and the L-shaped groove is connected with the right end of the placing frame (214) through a pin shaft, and two straight plates are installed on the upper end of the placing frame (214). (215), a clamping frame (216) is arranged between the two straight plates (215), and a clamping slot frame (217) is installed on the right end of the lifting plate (211). 3. A double-legged flexion attitude driving auxiliary device according to claim 2, characterized in that: the lift control branch chain (219) comprises an upper plate (2191), a lower plate (2192) and a threaded rod (2193) ), the lower plate (2192) is installed on the leg bed (1), the lower plate (2192) is connected to the lower end of the threaded rod (2193) through a bearing, and the middle of the threaded rod (2193) is connected to the upper plate by means of thread transmission (2191) are connected, and the upper plate (2191) is mounted on the lift plate (211). 4. A double-legged flexion posture driving auxiliary device according to claim 1, characterized in that: the placing mechanism (22) comprises a foot placing platform (221), an L frame (222), a connecting spring (223) ), the post (224) and the connecting block (225), the connecting block (225) is installed on the side wall of the foot placing platform (221), and the connecting block (225) is placed on the leg by sliding fit The bed (1) is connected, a post (224) is installed on the right end of the foot placing platform (221), an L frame (222) is installed on the right end of the leg placing bed (1), and the L frame (222) is connected with the foot placing platform A connecting spring (223) is connected between (221). 5. A double-legged flexion attitude driving auxiliary device according to claim 1, characterized in that: the combined gear frame (254) comprises a main shaft (2541), two matching gears (2542) and a main gear (2543) ), the main shaft (2541) is installed in the inlet and outlet grooves through bearings, two mating gears (2542) are installed on the main shaft (2541), and the front end of the main shaft (2541) is installed with a main gear (2543), the main gear (2543) and the auxiliary gear (2543) The rack plate (253) is connected. 6. A double-legged flexion attitude driving auxiliary device according to claim 4, characterized in that: the post (224) comprises a cylinder (2241), a return spring (2242) and a block (2243), and the cylinder The middle part of (2241) is connected with the block (2243) through the return spring (2242). 7. A double-legged flexion attitude driving auxiliary device according to claim 2, characterized in that: the front end of the clamping frame (216) is provided with two in-out blocks, and the in-out blocks pass through the built-in spring and the clamping position The frame (216) is connected, and the rear end of the clamping frame (216) is connected with the straight plate (215) through a pin shaft.

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