CN113058228B

CN113058228B - Upper limb training auxiliary device

Info

Publication number: CN113058228B
Application number: CN202110414658.7A
Authority: CN
Inventors: 任杰; 林上众; 张聪; 王淼; 国洪雨; 朱玉龙
Original assignee: Harbin Institute of Physical Education
Current assignee: Harbin Institute of Physical Education
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2022-01-28
Anticipated expiration: 2041-04-17
Also published as: CN113058228A

Abstract

The invention relates to training assistance, in particular to an upper limb training assistance device which comprises a training support, a bottom support, a side pulling mechanism and a leg mechanism, wherein the training support comprises two training support rods, two slots and two training rods, the two training support rods are respectively provided with a plurality of slots, a plurality of training rods are inserted between the corresponding slots, the movement distance of the upper limbs on the training rods can be adjusted by adjusting the number and the distance of the training rods inserted into the slots, the side waist of the trainer is bound by the side pulling mechanism, thereby generating a certain reverse tension to the waist of the trainer and further increasing the difficulty of the trainer in upper limb training, the leg mechanism is also provided with a leg mechanism for supporting the legs of the trainer, and the leg mechanism provides buffer force when the trainer takes off force and falls off while difficulty is generated when the trainer carries out upper limb training.

Description

Upper limb training auxiliary device

Technical Field

The invention relates to training assistance, in particular to an upper limb training auxiliary device.

Background

The pull-up training auxiliary device comprises a sleeve, a pulley, a pull rope, a binding belt and a weight stack capable of adjusting weight, wherein the sleeve is of a hollow structure and is locked with the pull-up training equipment through a locker in use; the pulleys are positioned on two sides of the sleeve, the pull rope penetrates through two ends of the sleeve, and two end parts of the pull rope are hung on the pulleys respectively; one end of the pull rope is connected with the counterweight group, and the other end of the pull rope is connected with the binding band; the pull-up training equipment comprises a horizontal bar and pull-up training auxiliary devices, wherein the two pull-up training auxiliary devices are respectively positioned on two sides of the horizontal bar, and meanwhile, pull ropes on the pull-up training auxiliary devices are connected with the same binding belt; the prior art has the defect that the movement distance of the upper limb on the rod cannot be adjusted according to the use requirement.

Disclosure of Invention

The invention aims to provide an upper limb training auxiliary device which can adjust the movement distance of an upper limb on a rod according to the use requirement.

The purpose of the invention is realized by the following technical scheme:

an upper limb training auxiliary device comprises a training support, a bottom support, a side pulling mechanism and a leg mechanism, wherein the training support comprises two training support rods, slots and training rods, the two training support rods are respectively provided with a plurality of slots, and a plurality of training rods are inserted between the corresponding slots;

the training rod comprises a rod body, limiting blocks, limiting side plates and inserting columns, wherein the limiting blocks are fixedly connected to two ends of the rod body, the limiting side plates are fixedly connected to the outer sides of the two limiting blocks, the inserting columns are connected to the two limiting side plates in a sliding mode, and a compression spring I is fixedly connected between each inserting column and each limiting side plate;

the bottom support comprises two bottom plates, two sliding cylinders I and two sliding columns, the two sliding cylinders I are fixedly connected to the two bottom plates, the sliding columns are fixedly connected between the two bottom plates, and the two training support rods are fixedly connected to the two bottom plates;

the side pulling mechanism comprises a sliding cylinder II, side pulling plates, rotating side plates, jacks, a containing winding drum, rotary tables, inserting nails, a binding band I and elastic ropes, the left side and the right side of each side pulling plate are fixedly connected with the sliding cylinder II, the two rotating side plates are fixedly connected with the side pulling plates, a plurality of jacks are formed in the two rotating side plates, the containing winding drum is rotatably connected between the two rotating side plates, the containing winding drum is fixedly connected with the two rotary tables, the inserting nails are slidably connected with the two rotary tables respectively, the inserting nails can be inserted into the corresponding jacks, compression springs II are fixedly connected between the inserting nails and the rotary tables, the elastic ropes are wound on the containing winding drum, the binding band I is fixedly connected onto the elastic ropes, and two ends of the binding band I are fixedly connected with a sticky plate and a sticky hook respectively; the side pulling mechanism is provided with two sliding cylinders II which are respectively connected in a sliding manner in the four sliding cylinders I, the four sliding cylinders II are fixedly connected with ventilation mechanisms B, and the four sliding cylinders I are fixedly connected with ventilation mechanisms A;

the leg mechanism comprises a sliding frame, a lifting screw rod, a sliding cylinder III and a sliding cylinder IV, support a section of thick bamboo I, the running-board, bandage II and a support section of thick bamboo II, sliding frame sliding connection is on the slip post, the left and right sides of sliding frame all rotates and is connected with the lift lead screw, all there is a sliding cylinder III through threaded connection on two lift lead screws, two equal sliding connection of sliding cylinder III are on the sliding frame, equal sliding connection has a sliding cylinder IV in two sliding cylinders III, equal fixedly connected with supports section of thick bamboo I on two sliding cylinder IV, two equal sliding connection in inboard that supports section of thick bamboo I has the running-board, sliding connection has a support section of thick bamboo II between two running-boards, two equal two bandages II of fixedly connected with on two running-boards, the both ends difference fixedly connected with sticky plate and the sticky hook of bandage II, equal fixedly connected with ventilation mechanism C in two sliding cylinders III, equal fixedly connected with ventilation mechanism D in two sliding cylinders IV.

The upper limb training auxiliary device has the beneficial effects that:

the upper limb training auxiliary device can adjust the movement distance of upper limbs on the training rods by adjusting the number and the distance of the training rods inserted into the plurality of slots, and can restrain the side waist of a trainer by the side pulling mechanism so as to generate a certain reverse pulling force on the waist of the trainer, thereby increasing the difficulty of the trainer in upper limb training.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the connection of the training stand and the bottom stand of the present invention;

FIG. 2 is a schematic view of the exercise bar of the present invention;

FIG. 3 is a schematic cross-sectional view of a training pole of the present invention;

FIG. 4 is a schematic view of the connection of the training support, bottom support and side pull mechanism of the present invention;

FIG. 5 is a schematic view of the bottom bracket and side pull mechanism attachment configuration of the present invention;

FIG. 6 is a schematic view of the bottom bracket, side pull mechanism, vent mechanism A and vent mechanism B connection of the present invention;

FIG. 7 is a schematic structural view of the side pulling mechanism of the present invention;

FIG. 8 is a schematic view of the bottom bracket and leg mechanism attachment of the present invention;

FIG. 9 is a schematic view of the leg mechanism of the present invention;

fig. 10 is a schematic view showing a connection structure of the leg mechanism, the ventilation mechanism C and the ventilation mechanism D of the present invention.

In the figure: a training strut 11; a slot 12; a training rod 13; a rod body 14; a stopper 15; a limit side plate 16; the insert column 17; a bottom plate 21; a sliding cylinder I22; a slide post 23; a sliding cylinder II 31; side pull plates 32; the side plates 33 are rotated; a receptacle 34; a storage reel 35; a turntable 36; the insert pins 37; a binding band I38; an elastic cord 39; a vent mechanism a 40; a vent mechanism B41; a slide frame 51; a lifting screw 52; a sliding cylinder III 53; a sliding cylinder IV 54; a support cylinder I55; a foot pedal 56; a binding band II 57; a support cylinder II 58; a venting mechanism C60; and a vent mechanism D61.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is described below with reference to fig. 1 to 3, and an upper limb training auxiliary device includes a training support, a bottom support, a side pulling mechanism, and a leg mechanism, where the training support includes two training support rods 11, two slots 12, and two training rods 13, where the two training support rods 11 are each provided with a plurality of slots 12, and a plurality of training rods 13 are inserted between the corresponding slots 12;

the training rod 13 comprises a rod body 14, limiting blocks 15, limiting side plates 16 and inserting columns 17, wherein the limiting blocks 15 are fixedly connected to two ends of the rod body 14, the limiting side plates 16 are fixedly connected to the outer sides of the two limiting blocks 15, the inserting columns 17 are connected to the two limiting side plates 16 in a sliding mode, and a compression spring I is fixedly connected between each inserting column 17 and each limiting side plate 16;

when the training rod device is used, a specified number of training rods 13 are inserted into the slots 12 according to use requirements, the number in fig. 1 is used for illustration, seven training rods 13 are arranged in the figure, seven training rods 13 are distributed at equal intervals, when training is performed, a trainer takes off, two hands of the trainer are respectively held on different rod bodies 14, the two feet of the trainer lift off from the ground, the two hands alternately advance, so that the strength of the upper limbs of the trainer is exercised, a plurality of training rods 13 are respectively inserted into different slots 12 according to different uses, and the number of the training rods 13 and the distance between the adjacent training rods 13 are set according to requirements, so that different training requirements are met;

furthermore, the limiting blocks 15 are inserted into the corresponding slots 12, the limiting blocks 15 are rectangular, so that the training rod 13 is prevented from being pushed to rotate by a transverse thrust possibly generated by alternate motion of the hands of a trainer during training of the training rod 13, the stability of the training rod 13 is further ensured, meanwhile, the two limiting side plates 16 perform side limiting on the training rod 13, the training rod 13 is prevented from sliding in the left-right direction, and the stability of the training rod 13 is further ensured;

further be provided with and insert post 17, as shown in fig. 3, when training pole 13 is inserted in corresponding slot 12, insert the downside of post 17 joint at training branch 11, it is spacing to training pole 13, the last thrust that prevents that training person's both hands alternate motion probably from producing promotes training pole 13 and moves, and then further guarantee training pole 13's stability, fixedly connected with compression spring I between post 17 and the spacing curb plate 16 that corresponds is inserted simultaneously, make things convenient for the installation and the dismantlement of training pole 13, guarantee device convenient to use.

The embodiment is described below with reference to fig. 1 to 7, the bottom bracket includes two bottom plates 21, two sliding cylinders i 22 and two sliding columns 23, the two bottom plates 21 are fixedly connected to the two bottom plates 21, the two sliding cylinders i 22 are fixedly connected to the two bottom plates 21, the sliding columns 23 are fixedly connected between the two bottom plates 21, and the two training support rods 11 are fixedly connected to the two bottom plates 21;

the side pulling mechanism comprises a sliding cylinder II 31, a side pulling plate 32, rotating side plates 33, jacks 34, a storage reel 35, rotary discs 36, inserting nails 37, binding bands I38 and elastic ropes 39, the left side and the right side of the side pulling plate 32 are fixedly connected with the sliding cylinder II 31, the side pulling plate 32 is fixedly connected with the two rotating side plates 33, the two rotating side plates 33 are respectively provided with the plurality of jacks 34, the storage reel 35 is rotatably connected between the two rotating side plates 33, the storage reel 35 is fixedly connected with the two rotary discs 36, the two rotary discs 36 are respectively and slidably connected with the inserting nails 37, the inserting nails 37 can be inserted into the corresponding jacks 34, compression springs II are fixedly connected between the inserting nails 37 and the rotary discs 36, the storage reel 35 is wound with the elastic ropes 39, the binding bands I38 are fixedly connected onto the elastic ropes 39, and two ends of the binding bands I38 are respectively and fixedly connected with a sticky plate and a sticky hook; the two side pulling mechanisms are arranged, the four sliding cylinders II 31 are respectively connected in the four sliding cylinders I22 in a sliding manner, the four sliding cylinders II 31 are fixedly connected with ventilation mechanisms B41, and the four sliding cylinders I22 are fixedly connected with ventilation mechanisms A40;

the side pulling mechanism is used according to use requirements, when a trainer prepares for training, the bandage I38 is bound on the waist of the trainer, the two ends of the bandage I38 are fixedly connected with the sticky plate and the sticky hook respectively, the bandage I38 can be bound on the waist of the trainer by attaching the sticky hook and the sticky plate, and when the trainer trains, the elastic rope 39 generates certain counterforce pulling force, so that the training difficulty of the trainer is increased when the trainer trains;

the training device is further provided with a storage reel 35, one end of the elastic rope 39 is stored on the storage reel 35, the storage reel 35 is rotated, the elastic rope 39 is stored when the storage reel 35 rotates, the extending length of the elastic rope 39 is further adjusted, the pre-tightening force of the binding belt I38 during movement is further adjusted, the reaction force of a trainer during training is further adjusted, and different training requirements are further met;

the storage drum 35 is further provided with an insert pin 37, when the storage drum 35 needs to be rotated, the insert pin 37 is pulled to move, so that the insert pin 37 overcomes the pressure of the compression spring I, the insert pin 37 is pulled out of the insertion hole 34, and then the storage drum 35 can be rotated, when the storage drum 35 rotates to adjust the length of the elastic rope 39 extending out, the storage drum 35 drives the turntable 36 to rotate, the turntable 36 drives the insert pin 37 to rotate, and further the relative position of the insert pin 37 is adjusted, so that the insert pin 37 can be inserted into different insertion holes 34, and further the rotating position of the storage drum 35 is fixed, under the action of the compression spring I, the insert pin 37 can be conveniently moved, after the insert pin 37 is inserted into the insertion hole 34, the turntable 36 cannot rotate, and further the storage drum 35 is fixed, the accommodating winding drum 35 fixes the extending length of the elastic rope 39, the elastic force of the elastic rope 39 is fixed in advance, the pretightening force of the elastic rope 39 is adjusted according to the use requirement, the reacting force of a trainer during training is adjusted, different training requirements are met, and the pretightening force of the elastic rope 39 is generated by the tension of the elastic rope 39 on the binding band I38 and the support of the side pull plate 32 on the binding band I38;

further, ventilation mechanisms B41 are fixedly connected in the four sliding cylinders II 31, ventilation mechanisms A40 are fixedly connected in the four sliding cylinders I22, as shown in FIG. 6, the ventilation mechanisms B41 and the ventilation mechanisms A40 are the same in structure and direction, the structure is similar to a one-way air valve, the ventilation mechanisms B41 comprise hole bottom plates, spheres and one-way plates, a through arc groove is formed in the one-way plates, the spheres are propped in the arc groove to further block the one-way plates, compression springs III are fixedly connected between the spheres and the hole bottom plates, when the sliding cylinders II 31 move upwards, the space between the sliding cylinders I22 and the sliding cylinders II 31 is enlarged, the ventilation mechanisms B41 on the upper side are opened by external air pressure, the ventilation mechanisms A40 are closed, air is introduced between the sliding cylinders I22 and the sliding cylinders II 31, when the sliding cylinders II 31 move downwards, the space between the sliding cylinders I22 and the sliding cylinders II 31 is reduced, the ventilation mechanism B41 on the upper side is closed by external air pressure, the ventilation mechanism A40 on the lower side is opened, so that air is exhausted from the sliding cylinder I22 and the sliding cylinder II 31, but no matter the air is exhausted or introduced, a large force is required to continuously pull the sliding cylinder II 31 and the sliding cylinder I22 to generate relative motion, and further the ventilation mechanism B41 and the ventilation mechanism A40 are opened, so that the ventilation mechanism B41 and the ventilation mechanism A40 provide certain damping for the motion between the sliding cylinder I22 and the sliding cylinder II 31, after the extending height of the sliding cylinder II 31 is adjusted according to the heights of different people, the sliding cylinder II 31 cannot be easily changed, but can also move according to the large-amplitude motion of the people in the training process, and further the damage of the trainers due to the rigid support of the device during the motion of the people is prevented;

the present embodiment is described below with reference to fig. 1 to 10, the leg mechanism includes a sliding frame 51, a lifting screw 52, sliding cylinders iii 53, sliding cylinders iv 54, a supporting cylinder i 55, a pedal plate 56, a binding band ii 57 and a supporting cylinder ii 58, the sliding frame 51 is slidably connected to the sliding column 23, the lifting screw 52 is rotatably connected to both left and right sides of the sliding frame 51, the sliding cylinders iii 53 are connected to both lifting screw 52 through threads, both sliding cylinders iii 53 are slidably connected to the sliding frame 51, the sliding cylinders iv 54 are slidably connected to both inside of the two sliding cylinders iii 53, the supporting cylinder i 55 is fixedly connected to both sliding cylinders iv 54, the pedal plate 56 is slidably connected to inside of both supporting cylinders i 55, the supporting cylinder ii 58 is slidably connected between both pedal plates 56, both binding bands ii 57 are fixedly connected to both pedal plates 56, both ends of the binding bands ii 57 are fixedly connected to a sticky plate and a sticky hook respectively, the two sliding cylinders III 53 are fixedly connected with a ventilation mechanism C60, and the two sliding cylinders IV 54 are fixedly connected with a ventilation mechanism D61;

the leg mechanism is used according to the use requirement, when a trainer prepares for training, two feet of the trainer step on the two foot pedals 56 respectively, the second bandage 57 is bound on the legs of the trainer, two ends of the second bandage 57 are fixedly connected with the sticky plate and the sticky hook respectively, the sticky hook and the sticky plate are bound, so that the second bandage 57 can be bound on the legs of the trainer, when the trainer performs training, the trainer jumps, relative sliding is generated between the sliding cylinder IV 54 and the sliding cylinder III 53, the ventilation mechanism C60 and the ventilation mechanism D61 generate damping action to provide resistance to the relative movement of the sliding cylinder IV 54 and the sliding cylinder III 53, so as to increase the training difficulty, meanwhile, when two hands perform alternate movement, the leg structure slides on the sliding column 23, the leg structure generates certain reaction force, so that the trainer increases the training difficulty during the training;

the lifting screw rod 52 is further arranged, the lifting screw rod 52 is rotated, the height of the sliding cylinder III 53 can be adjusted through threads when the lifting screw rod 52 rotates, and then the sliding distance between the sliding cylinder IV 54 and the sliding cylinder III 53 is adjusted, namely when a trainer takes off and needs to reach the training rod 13, the sliding distance between the sliding cylinder IV 54 and the sliding cylinder III 53 is adjusted, and then the distance between the air mechanism C60 and the air mechanism D61 for generating damping effect is adjusted, and further the training difficulty is adjusted;

further, a support cylinder II 58 is arranged, the support cylinder II 58 is slidably connected between the two foot pedals 56, the inner sides of the two support cylinders I55 are slidably connected with the foot pedals 56, so that when a person trains, the irregular movement of legs can be generated, the two legs can move transversely left and right, and the foot pedals 56 are slidably connected between the two support cylinders I55 and the two sides of the support cylinder II 58, and a specific cross-sectional view is shown in FIG. 10, it should be noted that the two foot pedals 56 cannot be separated from the two support cylinders I55 no matter how the two foot pedals 56 slide left and right, namely, the distance between the two support cylinders I55 and the length of the support cylinder II 58 need to be reasonably set, so that the two foot pedals 56 can slide left and right, and cannot be separated from the two support cylinders I55 due to excessive movement;

further, the two sliding cylinders iii 53 are fixedly connected with a ventilation mechanism C60, the two sliding cylinders iv 54 are fixedly connected with a ventilation mechanism D61, as shown in fig. 10, the ventilation mechanism C60 and the ventilation mechanism D61 have the same structure and the same orientation, the structure is similar to a one-way air valve, the ventilation mechanism C60 comprises a hole bottom plate, a ball body and a one-way plate, the one-way plate is provided with a through arc groove, the ball body is supported in the arc groove to block the one-way plate, a compression spring iv is fixedly connected between the ball body and the hole bottom plate, when the sliding cylinder iv 54 moves upwards, the space between the sliding cylinder iii 53 and the sliding cylinder iv 54 becomes larger, the ventilation mechanism D61 on the upper side is opened by external air pressure, the ventilation mechanism C60 is closed, so that air is introduced between the sliding cylinder iii 53 and the sliding cylinder iv 54, when the sliding cylinder iv 54 moves downwards, the space between the sliding cylinder iii 53 and the sliding cylinder iv 54 becomes smaller, the upper ventilation mechanism D61 is closed by external air pressure, the lower ventilation mechanism C60 is opened, so that air is exhausted between the sliding cylinder III 53 and the sliding cylinder IV 54, but no matter the air is exhausted or introduced, a large force is required to continuously pull the sliding cylinder III 53 and the sliding cylinder IV 54 to generate relative movement, and further the ventilation mechanism C60 and the ventilation mechanism D61 are opened, so that the arrangement of the ventilation mechanism C60 and the ventilation mechanism D61 provides certain damping for the movement between the sliding cylinder III 53 and the sliding cylinder IV 54, after the heights of the sliding cylinder III 53 and the sliding cylinder IV 54 are adjusted according to the requirement of the user, the sliding cylinder III 53 and the sliding cylinder IV 54 cannot be easily changed, but can also move according to the large-amplitude movement of a person in the training process, and further the person is prevented from being damaged by rigid support of the device during the movement, meanwhile, a reaction force is provided for the up-and-down movement possibly generated by the legs during training, and the mode of training in water is simulated, so that the trainer can be under the action of resistance no matter what action is done, and the training effect is improved;

meanwhile, after the trainee finishes training, the training rod 13 is released by two hands, and when the body falls, the ventilation mechanism C60 and the ventilation mechanism D61 provide certain damping for the movement between the sliding cylinder III 53 and the sliding cylinder IV 54, so that the trainee can not land on the ground firmly, and a certain buffering effect is achieved, and the leg injury is prevented.

It should be noted that the above embodiments may be spliced with each other or may be combined together for use; it is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides an upper limbs training auxiliary device, includes two training branch poles (11), its characterized in that: a plurality of slots (12) are formed in each of the two training support rods (11), and a plurality of training rods (13) are inserted between the corresponding slots (12);

the leg mechanism comprises a sliding frame (51), a lifting screw rod (52), a sliding cylinder III (53), a sliding cylinder IV (54), a supporting cylinder I (55), foot pedals (56), a binding band II (57) and a supporting cylinder II (58), wherein the sliding frame (51) is connected to a sliding column (23) in a sliding manner, the left side and the right side of the sliding frame (51) are respectively and rotatably connected with the lifting screw rod (52), the two lifting screw rods (52) are respectively connected with the sliding cylinder III (53) through threads, the two sliding cylinders III (53) are respectively and slidably connected to the sliding frame (51), the sliding cylinders IV (54) are respectively and slidably connected to the two sliding cylinders IV (54), the supporting cylinders I (55) are respectively and fixedly connected to the inner sides of the two supporting cylinders I (55), the foot pedals (56) are respectively and slidably connected to the inner sides of the two supporting cylinders I (55), and the supporting cylinder II (58) is slidably connected between the two foot pedals (56), two bandages II (57) are fixedly connected to the two pedals (56), two ends of each bandage II (57) are fixedly connected with a sticky plate and a sticky hook respectively, ventilation mechanisms C (60) are fixedly connected to the two sliding cylinders III (53), and ventilation mechanisms D (61) are fixedly connected to the two sliding cylinders IV (54).

2. An upper limb training aid as claimed in claim 1, wherein: the training rod (13) comprises a rod body (14), limiting blocks (15) and limiting side plates (16), the limiting blocks (15) are fixedly connected to the two ends of the rod body (14), and the limiting side plates (16) are fixedly connected to the outer sides of the two limiting blocks (15).

3. An upper limb training aid as claimed in claim 2 wherein: the two limiting blocks (15) are respectively inserted into the two corresponding slots (12), and the inner sides of the two limiting side plates (16) are respectively contacted with the two training support rods (11).

4. An upper limb training aid as claimed in claim 2 wherein: equal sliding connection has inserted post (17) on two spacing curb plate (16), and every inserts equal fixedly connected with compression spring I between post (17) and spacing curb plate (16), inserts the downside that post (17) can the joint at training branch (11).

5. An upper limb training aid as claimed in claim 1, wherein: the training support rod also comprises a bottom bracket used for fixedly supporting the training support rod (11).

6. An upper limb training aid as claimed in claim 5 wherein: the bottom support comprises a bottom plate (21), two sliding cylinders I (22) and two sliding columns (23), the two bottom plates (21) are fixedly connected with the two sliding cylinders I (22) on the two bottom plates (21), the sliding columns (23) are fixedly connected between the two bottom plates (21), and the two training support rods (11) are fixedly connected to the two bottom plates (21).

7. An upper limb training aid as claimed in claim 6 wherein: still draw the mechanism including the side, the side is drawn the mechanism and is included sliding cylinder II (31) and side arm-tie (32), the equal fixedly connected with sliding cylinder II (31) in both sides of side arm-tie (32), be connected with elasticity rope (39) on side arm-tie (32), fixedly connected with bandage I (38) on elasticity rope (39), equal sliding connection has sliding cylinder II (31) in four sliding cylinder I (22), equal fixedly connected with air-breather B (41) in four sliding cylinder II (31), equal fixedly connected with air-breather A (40) in four sliding cylinder I (22).

8. An upper limb training aid as claimed in claim 7 wherein: the side pulling mechanism further comprises a storage winding drum (35), the sliding drum II (31) is fixedly connected with two side pulling plates (32), the storage winding drum (35) is rotatably connected between the two side pulling plates (32), and the elastic rope (39) is wound on the storage winding drum (35).

9. An upper limb training aid as claimed in claim 8 wherein: all be provided with a plurality of jacks (34) on two rotation curb plate (33), two carousel (36) of fixedly connected with on storage reel (35), equal sliding connection inserted pin (37) on two carousel (36), inserted pin (37) can insert in jack (34) that correspond, fixedly connected with compression spring II between inserted pin (37) and carousel (36).