CN112933506A

CN112933506A - Chest postoperative medical rehabilitation trains and strengthens advanced equipment

Info

Publication number: CN112933506A
Application number: CN202110106261.1A
Authority: CN
Inventors: 刘忠意
Original assignee: Shanghai Farrow Biotechnology Engineering Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-11
Anticipated expiration: 2041-01-26
Also published as: CN112933506B

Abstract

The invention discloses a medical rehabilitation apparatus, and more particularly relates to a chest postoperative medical rehabilitation training and strengthening advanced apparatus, which has the technical scheme key points that: including main support and operating device, operating device includes the operating element, operating device has the platform, is equipped with the resistance mechanism that provides the movement resistance and the straining device of regulation resistance in operating device both sides, still is equipped with the buffer gear of control motion rhythm on the main support, buffer gear is including following the lifting unit that operating device reciprocated and setting up the supporting component on the main support, be equipped with the buffering subassembly of restriction lifting unit velocity of motion on the supporting component. A user lies on the platform, firstly utilizes the muscles of the chest, the shoulders and the upper limbs to overcome resistance to push the operating mechanism away from the user, so as to achieve the effect of muscle engorgement, and then the descending speed of the operating mechanism is limited by the buffer mechanism, so that the muscle is effectively prevented from being pulled and injured by the patient due to the fact that the operating mechanism is put down too fast when exhaustion.

Description

Chest postoperative medical rehabilitation trains and strengthens advanced equipment

Technical Field

The invention relates to the field of medical rehabilitation, in particular to a device suitable for chest medical rehabilitation training and enhancing the progress.

Background

The thoracoscope minimally invasive surgery is mostly used in the clinical chest surgery at present, the surgical wound is small, the time is short, the stress response after the surgery is small, the body stress response caused by the surgical stimulation is reduced to the maximum extent, the postoperative rehabilitation quality of a patient is improved, however, in the surgery process, the thoracoscope influences muscles, fascias and nerves, the completeness of a thorax is damaged, the chest surgery time is long, the requirements on the body position of the patient are met, the limb movement is limited easily, in addition, the general anesthesia muscle is relaxed in the surgery, the general stress is caused after waking, and other factors can cause the symptoms of chest pain weakness, shoulder stiffness and upper limb dysfunction after the surgery of the patient.

Therefore, in order to improve the quality of a postoperative patient, comprehensive postoperative rehabilitation training is very important, and particularly for rehabilitation training of upper limbs and breasts of the patient, the current chinese patent publication No. CN108176004A discloses a chest stretching rehabilitation training device, which comprises a main support, wherein a swing rod, a seat and a counterweight unit are sequentially arranged on the main support, the bottom of the swing rod is rotatably connected with the main support, a steel wire rope is arranged between the counterweight unit and the swing rod for connection, and the swing rod comprises parallel rods respectively extending upwards from two sides of the seat, oblique rods arranged at the tops of the parallel rods in an inclined manner, and a cross rod connected with the oblique rods; the user can hold the swinging rod of the invention at different positions to achieve the aim of stretching different muscles of the chest.

The invention needs the patient to purposefully stretch the muscle of the local chest by grabbing different positions of the swinging rod, needs professional guidance to the patient when necessary, is complex to use, lacks an auxiliary exercise measure for the patient who is weak after operation, and can cause the muscle to be pulled by exhaustion of the patient in the using process.

Disclosure of Invention

The invention aims to provide a chest postoperative medical rehabilitation training and strengthening advanced equipment which has the advantages of being provided with an auxiliary exercise structure and effectively avoiding muscle injury caused by exhaustion of a patient during exercise.

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

a chest postoperative medical rehabilitation training and strengthening advanced equipment comprises a main support and an operating mechanism, wherein the operating mechanism comprises an operating assembly, a platform is arranged below the operating mechanism, a resistance mechanism for providing motion resistance and a tensioning mechanism for adjusting the resistance are arranged on two sides of the operating mechanism, and a buffer mechanism for controlling the motion rhythm is also arranged on the main support;

the buffer mechanism comprises a lifting component moving up and down along with the operating mechanism and a supporting component fixedly arranged on the main support, and the supporting component is provided with a buffer component for limiting the moving speed of the lifting component.

By adopting the technical scheme, when the tension mechanism is used, the tension mechanism acts on the resistance mechanism to enable the resistance mechanism to generate resistance, a user lies on the platform, overcomes the resistance by using the force of the chest, the shoulders and the upper limbs to push the operating mechanism away from the user, the hyperemia effect is achieved, the buffer mechanism limits the movement rate of the operating mechanism, and the situation that the user puts down the operating mechanism too fast to cause strain is avoided.

Further setting: the lifting assembly comprises a rod body fixedly arranged on the operating mechanism, transmission teeth are arranged on the rod body, the supporting assembly comprises a supporting block fixedly arranged on the main support, a shaft sleeve is embedded in the surface of the supporting block, a supporting shaft is connected in the shaft sleeve in a rotating mode, one end, far away from the shaft sleeve, of the supporting shaft is provided with an inner ratchet wheel, a damping pawl is movably connected to the supporting shaft located in the cavity of the inner ratchet wheel, an outer gear is arranged on the outer surface of the inner ratchet wheel, and the.

By adopting the technical scheme, when the lifting device is used, when a user pushes the operating mechanism, the lifting assembly moves upwards along with the operating mechanism, the transmission teeth on the lifting assembly are meshed with the outer gear, at the moment, the damping pawl slides over the back of the teeth of the inner ratchet wheel, so that the outer gear can drive the inner ratchet wheel to rotate anticlockwise on the supporting shaft through the friction force between the outer gear and the inner ratchet wheel, and the resistance can be ignored; when a user puts down the operating mechanism, the damping pawl is inserted into the tooth grooves of the inner ratchet wheel, the position of the inner ratchet wheel on the supporting shaft is limited, the inner ratchet wheel is fixed, the outer gear overcomes the friction force between the outer gear and the inner ratchet wheel to rotate clockwise alone to form damping, and therefore the fact that the operating mechanism is subjected to different resistances of the buffer mechanism in forward and reverse strokes can be achieved.

Further setting: the operating mechanism comprises a tension assembly acted by a resistance mechanism, the tension assembly is arranged on the operating assembly, a limiting assembly for preventing the operating mechanism from shifting is arranged on the platform, and the tension assembly is connected to the limiting assembly in a sliding mode.

By adopting the technical scheme, the resistance mechanism acts on the tension assembly firstly, and the tension assembly transmits resistance to the operation assembly, so that the operation assembly is only under the action of the thrust of a user, and the stability is improved. When the pulling forces of the resistance mechanisms on the two sides of the operating mechanism are unequal, the position of the operating mechanism can be fixed through the matching of the limiting assembly and the operating mechanism, and the deviation of the operating mechanism is prevented.

Further setting: the operation assembly comprises a wide plate positioned right above the platform, a through groove is formed in the surface of the wide plate, a push rod operated by a user is arranged in the through groove, the tension assembly comprises a transmission rod arranged on the upper surface of the wide plate and used for transmitting pressure, a narrow plate is fixedly arranged at one end, away from the wide plate, of the transmission rod, and transverse shafts connected with the resistance mechanisms are arranged on two sides of the narrow plate; the limiting assembly comprises a sliding block arranged on the narrow plate, the sliding block is connected with a sliding rail fixedly arranged on the platform in a sliding mode, and the sliding rail is located on one side, away from the transmission rod, of the sliding block.

By adopting the technical scheme, when a patient can select lying on the back on the platform according to the requirement, the exercise effect is achieved by pushing the push rod, or the patient leans against the wide plate to do push-ups, and the operation modes are multiple. When the two sides of the narrow plate are stressed inequally, the sliding block props against the sliding rail, and the limiting effect is achieved.

Further setting: the resistance mechanism comprises an elastic assembly connected with the operating mechanism, and one end of the elastic assembly, which is far away from the operating mechanism, is connected with a transmission assembly which transmits the acting force of the tensioning mechanism to the elastic assembly.

Through adopting above-mentioned technical scheme, elastic component's quality is far less than the balancing weight, and provides the interval of resistance wider more, and elastic component connects drive assembly can be convenient for straining device indirect pulling elastic component.

Further setting: the elastic assembly comprises a connecting plate for connecting the operating mechanism and the transmission assembly, a plurality of elastic members with different elastic strengths are arranged on the connecting plate, a plurality of standby shafts are fixedly arranged on the side surface of the platform, the same end of each elastic member is fixedly connected to the connecting plate, and the other end of each elastic member is detachably connected with a transverse shaft or a standby shaft; the transmission assembly comprises a support fixedly arranged on the main support, the support is hinged with a roller, the roller is connected with a rope in a sliding mode, one end of the rope is fixedly connected to one end, far away from the operating mechanism, of the connecting plate, and the other end of the rope is fixedly connected with the tensioning mechanism.

Through adopting above-mentioned technical scheme, during the use, select the elastic component of suitable pound and quantity, let its one end fix on operating device, the other end is connected on connecting the plate, and the elastic component that remains unused then fixes on reserve axle, by straining device pulling rope again, through the gyro wheel with pulling force transfer on the elastic component, stretch the length of elastic component, consequently can reach the effect of nimble resistance that changes.

Further setting: the tensioning mechanism comprises a rope winding assembly which is fixedly arranged on the main support and used for being connected with the resistance mechanism, and the rope winding assembly is provided with a tensioning assembly which transmits the acting force of the tensioning mechanism to the elastic assembly.

Through adopting above-mentioned technical scheme, straining device pulling resistance mechanism's last rope, with the rope receipts rope subassembly of taking in, shorten rope length, make resistance mechanism take place to deform, produce the resistance.

Further setting: the rope collecting assembly comprises a rope collecting seat fixedly arranged on the main support, a rope collecting shaft is hinged to the rope collecting seat, a rope collecting wheel is fixedly arranged on the rope collecting shaft, and one end of a rope is fixedly connected to the rope collecting wheel; the tensioning assembly comprises a tensioning ratchet wheel fixedly arranged at one end, far away from the rope retracting seat, of the rope retracting shaft, the tensioning assembly further comprises a handle hinged to the rope retracting shaft, and a tensioning pawl is movably connected to the handle.

By adopting the technical scheme, when the rope take-up device is used, the handle is rotated, the tensioning pawl on the handle is clamped into the tooth groove of the tensioning ratchet wheel, the tensioning ratchet wheel is driven to rotate intermittently, the tensioning ratchet wheel drives the rope take-up shaft to rotate, and then the coaxial rope take-up wheel is driven to rotate, so that the stepped resistance adjustment is realized.

Further setting: the tensioning mechanism further comprises a fixing assembly used for fixing the tensioning assembly, the fixing assembly comprises a movable rod movably connected to the main support, and a baffle used for limiting is arranged on the movable rod.

Through adopting above-mentioned technical scheme, when the rope has pulled to suitable position, when need not to rotate the handle, rotate the movable rod to suitable position, let the baffle support the handle to make the tensioning ratchet motionless.

Further setting: the resistance mechanism is provided with a tension sensor for measuring resistance, and the tension sensor is fixedly arranged between the connecting plate and the roller through a rope.

Through adopting above-mentioned technical scheme, the user can observe tension sensor's data, knows the pulling force size of operating device both sides to in time make the adjustment.

In conclusion, the invention has the following beneficial effects:

1. the patient lies on the platform, pushes the operating mechanism and performs simple pushing actions, so that the effect of rehabilitation muscle increasing can be achieved;

2. the self-contained buffer mechanism limits the speed of a user when putting down the operating mechanism and avoids the user from pulling muscle due to the fact that the user puts down the operating mechanism too quickly due to exhaustion;

3. the elastic pieces with different elastic strengths and numbers are used, and the deformation condition of the elastic pieces is changed through the tensioning mechanism, so that the resistance can be flexibly adjusted, and the resistance interval is larger;

drawings

FIG. 1 is an overall schematic view of a first preferred embodiment;

FIG. 2 is a schematic structural view of the first preferred embodiment;

FIG. 3 is an enlarged view at A in FIG. 1;

fig. 4 is an enlarged view at B in fig. 1.

1. A platform; 2. a main support; 3. an operating mechanism; 4. a resistance mechanism; 5. a tensioning mechanism; 6. a buffer mechanism; 31. an operating component; 32. a tension assembly; 33. a limiting component; 311. a wide plate; 312. a through groove; 313. a push rod; 321. a narrow plate; 322. a horizontal axis; 323. a transfer lever; 331. a slider; 332. a slide rail; 41. an elastic component; 42. a transmission assembly; 411. connecting the plate members; 412. a standby shaft; 413. an elastomer; 421. a support; 422. a roller; 423. a rope; 424. a tension sensor; 51. a rope retracting assembly; 52. a tension assembly; 53. a fixing assembly; 511. a rope retracting seat; 512. a rope retracting shaft; 513. a rope collecting wheel; 521. tensioning the ratchet wheel; 522. a handle; 523. tensioning the pawl; 531. a movable rod; 532. a baffle plate; 61. a lifting assembly; 62. a support assembly; 63. a buffer assembly; 611. a rod body; 612. a transmission gear; 621. a support block; 622. a shaft sleeve; 623. a support shaft; 631. an inner ratchet wheel; 632. a damping pawl; 633. and an outer gear.

Detailed Description

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

Preferred example 1: referring to fig. 1, a chest postoperative medical rehabilitation training and strengthening advanced equipment comprises a platform 1 and a main support 2, an operating mechanism 3 operated by a user is arranged between the platform 1 and the main support 2, a resistance mechanism 4 for providing movement resistance and a tensioning mechanism 5 for adjusting the resistance are arranged on both sides of the operating mechanism, and a buffer mechanism 6 for limiting the movement speed of the operating mechanism is further arranged on the main support 2.

During postoperative rehabilitation, a user can lie on the platform 1 facing the operating mechanism 3, hold the operating mechanism 3 with two hands, overcome resistance generated by the action of the tensioning mechanism 5 on the resistance mechanism 4, push the operating mechanism 3 away from the user, slowly replace the operating mechanism 3 with the help of the buffer mechanism 6, and reciprocate the actions, so that the effect of stimulating the chest, the shoulders and the upper limbs is achieved.

The user still can be according to taking exercise the demand under daily condition, increases the repeated above-mentioned motion of intensity through straining device 5, also can lean on operating device 3 by back, and both hands prop platform 1, overcome the resistance and carry out the push-up, further strengthen the pectoral muscle.

Referring to fig. 2, the operating mechanism 3 includes an operating assembly 31 for a user to act on, a tension assembly 32 acting on the operating assembly 31 by the resisting mechanism 4, and a limiting assembly 33 disposed on the platform 1, wherein the tension assembly 32 is slidably connected to the limiting assembly 33.

The operating component 31 comprises a wide plate 311 positioned right above the platform 1, a through groove 312 is arranged on the surface of the wide plate 311, and a push rod 313 for a user to operate is arranged in the through groove 312; the tension assembly 32 comprises a transmission rod 323 which is arranged on the upper surface of the wide plate 311 and is used for transmitting pressure, one end of the transmission rod 323, which is far away from the wide plate 311, is fixedly provided with a narrow plate 321, and two sides of the narrow plate 321 are provided with a transverse shaft 322 connected with the resistance mechanism 4; the limiting component 33 comprises a sliding block 331 arranged on the narrow plate 321, the sliding block 331 is slidably connected to a sliding rail 332 fixedly arranged on the platform 1, and the sliding rail 332 is located on one side of the sliding block 331 away from the transmission rod 323.

In the preferred embodiment, the wide plate 311 is provided with a through groove 312, the push rod 313 in the through groove 312 is a cylindrical rod, and the lower surface of the wide plate 311 is further provided with a cushion pad for protecting the back when a user performs push-up; the slider 331 is hingedly connected to the narrow plate 321. The cushion 314 is made of rubber or other elastic materials, the former is to avoid the situation that the minimum exercise weight of the equipment is too large to increase the exercise threshold because the mass of the operating mechanism 3 is large, and the latter is to avoid the situation that the user damages the back muscles when the user uses the push-up exercise at the later stage. During rehabilitation, a user lies on the platform 1 flatly, holds the push rod 313 with both hands and pushes the push rod up, the resistance of the resistance mechanism 4 acting on the tension component 32 is overcome, so that the operating mechanism 3 is pushed away from the user along the rail, and when the tension on the two sides of the operating mechanism 3 is different, the sliding rail 332 can play a limiting role by propping against the sliding block 331.

Referring to fig. 2, the resistance mechanism 4 includes an elastic member 41 connected to the operating mechanism 3, and a transmission member 42 for transmitting the force of the tension mechanism 5 to the elastic member 41 is connected to an end of the elastic member 41 remote from the operating mechanism 3.

The elastic component 41 comprises a connecting plate 411 connected with the transmission component 42 and a spare shaft 412 fixedly arranged on the platform 1, a plurality of elastic bodies 413 with different elastic strengths are arranged on the connecting plate 411, the same ends of the elastic bodies 413 are fixedly connected on the connecting plate 411, and the other ends of the elastic bodies are detachably connected with the transverse shaft 322 or the spare shaft 412. The transmission assembly 42 comprises a support 421 fixedly arranged on the main support 2, the support 421 is hinged with a roller 422, the roller 422 is connected with a rope 423 in a sliding manner, one end of the rope 423 is fixedly connected with one end of the connecting plate 411 far away from the transverse shaft 322, the other end of the rope 423 is fixedly connected with the tensioning mechanism 5, and a tension sensor 424 is connected between the connecting plate 411 and the roller 422 through the rope 423.

In the preferred embodiment, the elastic body 413 is selected from all the components conforming to hooke's law, such as elastic bands, elastic ropes, springs, and the like. During the use, elastomer 413 also is for dismantling the connection with connecting plate 411, can dismantle the connection and can adopt connection modes such as buckle, couple, aim at lets medical personnel according to user's health, changes the elastomer 413 of using suitable pound number and suitable quantity, lets the user overcome suitable resistance and recovers, has surplus when elastomer 413 uses, can connect the one end of surplus elastomer 413 at reserve axle 412, in the use, has also played the effect of adjusting the arm of force.

Referring to fig. 3, the tensioning mechanism 5 includes a rope retracting assembly 51 disposed on the main support 2, a tensioning assembly 52 for applying a pulling force to the resistance mechanism 4 is disposed on the rope retracting assembly 51, and the tensioning mechanism 5 further includes a fixing assembly 53 for fixing the tensioning assembly 52.

The rope winding assembly 51 comprises a rope winding seat 511 fixedly arranged on the main support 2, a rope winding shaft 512 is hinged on the rope winding seat 511, a rope winding wheel 513 is fixedly arranged on the rope winding shaft 512, and one end of a rope 423 is fixedly connected on the rope winding wheel 513. The tensioning assembly 52 comprises a tensioning ratchet wheel 521 fixedly arranged at one end of the rope collecting shaft 512 far away from the rope collecting seat 511, the tensioning assembly 52 further comprises a handle 522 hinged on the rope collecting shaft 512, and a tensioning pawl 523 is movably connected on the handle 522. The fixing component 53 comprises a movable rod 531 movably connected to the main support 2, and a baffle 532 for limiting is arranged on the movable rod 531.

When the tension rope is used, the tension pawl 523 is adjusted to enable the tension pawl 523 to be clamped into the tension ratchet wheel 521, the handle 522 is rotated, the tension ratchet wheel 521 is rotated through the tension pawl 523, the rope take-up wheel 513 rotates along with the rope take-up shaft 512 due to the fact that the tension ratchet wheel 521 and the rope take-up wheel 513 are coaxial, the rope 423 is taken into the rope take-up wheel 513, the elastic body 413 is stretched to generate a tensile force, when the proper tensile force is adjusted, the movable rod 531 is rotated, the baffle 532 is located on the other side of the tension direction of the handle 522, the handle 522 is prevented from returning, and the rope 423.

Referring to fig. 4, the buffer mechanism 6 includes a lifting member 61 moving up and down along with the operating mechanism 3 and a support member 62 fixedly provided on the main stand 2, and the support member 62 is provided with a buffer member 63 limiting a lowering speed of the lifting member 61.

The lifting component 61 comprises a rod body 611 fixedly arranged on the operating mechanism 3, a transmission gear 612 is arranged on the rod body 611, the supporting component 62 comprises a supporting block 621 fixedly arranged on the main support 2, a shaft sleeve 622 is embedded on the surface of the supporting block 621, a supporting shaft 623 is rotatably connected in the shaft sleeve 622, one end, far away from the shaft sleeve 622, of the supporting shaft 623 is provided with an inner ratchet wheel 631 which coaxially rotates, a damping pawl 632 used for fixing the inner ratchet wheel 631 is movably connected on the supporting shaft 623 in a cavity of the inner ratchet wheel 631, an outer gear 633 playing a buffering role is arranged on the outer surface of the inner ratchet wheel 631, the outer gear 633 is meshed with the transmission gear 612, the outer gear 633 is in.

In the preferred embodiment, the external gear 633 is in clearance fit with the internal ratchet wheel 631, the internal ratchet wheel 631 is in interference fit with the support shaft 623, when the lifting assembly 61 moves upwards, the transmission teeth 612 drive the external gear 633 to rotate in the forward direction, at this time, the ratchet teeth of the internal ratchet wheel 631 are not matched with the damping pawl 632, and the external gear 633 drives the internal ratchet wheel 631 to rotate on the support shaft 623; when the lifting assembly 61 descends, the transmission teeth 612 drive the outer gear 633 to rotate reversely, at this time, the damping pawl 632 is embedded into the ratchet teeth of the inner ratchet wheel 631, the inner ratchet wheel 631 is locked, and the outer gear 633 overcomes the resistance between the inner ratchet wheel 631 and the outer gear 633 to rotate independently, so that damping is generated, and the lifting speed of the lifting assembly 61 is limited.

The method comprises the following steps: firstly, selecting the physical condition of a patient, and rotating elastic bodies with proper quantity and elastic strength to connect an operating mechanism and a connecting plate; secondly, pulling the handle, and driving the tensioning ratchet wheel to rotate by the tensioning clamping jaw, so that the rope is collected into the rope collecting wheel, and the elastic body is pulled to obtain proper resistance; then the fixing component is rotated to enable the baffle plate to block the handle and prevent the rope collecting wheel from rotating; the user lies on the platform flatly, holds the push rod with both hands, pushes away operating device from self, at last under buffer gear's effect, slowly puts operating device back in the original place, repeats above-mentioned action, reaches the effect of tempering and tensile chest and upper limbs muscle.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. The utility model provides a chest postoperative medical rehabilitation trains and strengthens advanced equipment, includes main support (2) and operating device (3), operating device (3) are including operating element (31), its characterized in that: a platform (1) is arranged below the operating mechanism (3), a resistance mechanism (4) for providing motion resistance and a tensioning mechanism (5) for adjusting the resistance are arranged on two sides of the operating mechanism (3), and a buffer mechanism (6) for limiting the motion rate of the operating mechanism is also arranged on the main support (2);

the buffer mechanism (6) comprises a lifting component (61) moving up and down along with the operating mechanism (3) and a supporting component (62) fixedly arranged on the main support (2), and a buffer component (63) limiting the descending speed of the lifting component (61) is arranged on the supporting component (62).

2. The chest postoperative medical rehabilitation training and strengthening advanced device of claim 1, wherein: lifting unit (61) is including body of rod (611) of connecting operating device (3), body of rod (611) is equipped with driving gear (612), and supporting unit (62) is including establishing supporting shoe (621) on main support (2), be equipped with back shaft (623) on supporting shoe (621), back shaft (623) one end is equipped with coaxial pivoted inner ratchet wheel (631), is equipped with damping pawl (632) that are used for fixing inner ratchet wheel (631) on back shaft (623) that is located inner ratchet wheel (631) cavity, and inner ratchet wheel (631) surface is equipped with outer gear (633) that play the cushioning effect, outer gear (633) and driving gear (612) meshing, outer gear (633) and inner ratchet wheel (612) interference fit exist frictional force between the two.

3. The chest postoperative medical rehabilitation training and enhancement advance device of claim 1 or 2, wherein: the operating mechanism (3) comprises a tension assembly (32) acted by a resistance mechanism (4), the tension assembly (32) is arranged on the operating assembly (31), a limiting assembly (33) for preventing the operating mechanism (3) from deviating is arranged on the platform (1), and the tension assembly (32) is connected to the limiting assembly (33) in a sliding mode.

4. The chest postoperative medical rehabilitation training and enhancement advance device of claim 3, wherein: the operation assembly (31) comprises a wide plate (311) positioned right above the platform (1), a through groove (312) is formed in the surface of the wide plate (311), a push rod (313) operated by a user is arranged in the through groove (312), the tension assembly (32) comprises a transmission rod (323) which is arranged on the upper surface of the wide plate (311) and used for transmitting pressure, a narrow plate (321) is fixedly arranged at one end, far away from the wide plate (311), of the transmission rod (323), and a transverse shaft (322) connected with the resistance mechanism (4) is arranged on two sides of the narrow plate (321); the limiting assembly (33) comprises a sliding block (331) arranged on the narrow plate (321), the sliding block (331) is connected with a sliding rail (332) fixedly arranged on the platform (1) in a sliding mode, and the sliding rail (332) is located on one side, far away from the transmission rod (323), of the sliding block (331).

5. The chest postoperative medical rehabilitation training and strengthening advanced device of claim 1, wherein: the resistance mechanism (4) comprises an elastic component (41) connected with the operating mechanism (3), and one end, far away from the operating mechanism (3), of the elastic component (41) is connected with a transmission component (42) which transmits the acting force of the tensioning mechanism (5) to the elastic component (41).

6. The chest postoperative medical rehabilitation training and enhancement advance device of claim 5, wherein: the elastic assembly (41) comprises a connecting plate (411) for connecting the operating mechanism (3) and the transmission assembly (42), a plurality of elastic bodies (413) with different elastic strengths are arranged on the connecting plate (411), a plurality of standby shafts (412) are fixedly arranged on the side surface of the platform (1), the same end of each elastic body is fixedly connected to the connecting plate (411), and the other end of each elastic body is detachably connected with the transverse shaft (322) or the standby shaft (412); the transmission assembly (42) comprises a support (421) fixedly arranged on the main support (2), a roller (422) is hinged to the support (421), a rope (423) is slidably connected to the roller (422), one end of the rope (423) is fixedly connected to one end of the connecting plate (411) far away from the operating mechanism (3), and the other end of the rope (423) is fixedly connected to the tensioning mechanism (5).

7. The chest postoperative medical rehabilitation training and strengthening advanced device of claim 1, wherein: the tensioning mechanism (5) comprises a rope retracting component (51) which is fixedly arranged on the main support (2) and is used for being connected with the resistance mechanism (4), and a tensioning component (52) which is used for applying pulling force to the resistance mechanism (4) is arranged on the rope retracting component (51).

8. The chest postoperative medical rehabilitation training and enhancement advance device of claim 7, wherein: the rope collecting assembly (51) comprises a rope collecting seat (511) fixedly arranged on the main support (2), a rope collecting shaft (512) is hinged to the rope collecting seat (511), a rope collecting wheel (513) is fixedly arranged on the rope collecting shaft (512), and one end of a rope (423) is fixedly connected to the rope collecting wheel (513); the tensioning assembly (52) comprises a tensioning ratchet wheel (521) fixedly arranged at one end, far away from the rope retracting seat (511), of the rope retracting shaft (512), the tensioning assembly (52) further comprises a handle (522) hinged to the rope retracting shaft (512), and a tensioning pawl (523) is movably connected to the handle (522).

9. The chest postoperative medical rehabilitation training and enhancement advance device of claim 8, wherein: the tensioning mechanism (5) further comprises a fixing component (53) for fixing the tensioning component (52), the fixing component (53) comprises a movable rod (531) movably connected to the main support (2), and a baffle (532) used for limiting is arranged on the movable rod (531).

10. The chest postoperative medical rehabilitation training and enhancement advance device of claim 6, wherein: the resistance mechanism (4) is provided with a tension sensor (424) for measuring resistance, and the tension sensor (424) is fixedly arranged between the connecting plate (411) and the roller (422) through a rope (423).