CN114366412B - Modular adjustable traction bed - Google Patents

Abstract

The invention relates to the technical field of medical equipment, in particular to a modular adjustable traction bed; the device can be independently fixed, traction operation can be carried out without the help of other people, and the use convenience of the device is improved; comprises two groups of beds and also comprises: two sets of fixing device, fixing device including set up respectively in the two sets of first fixed bands of bed body upside, set up coupling mechanism between two sets of first fixed bands, respectively with two sets of first fixed band bottom left and right sides fixed connection's four groups of second fixed bands and set up in the winding mechanism of first bed body bottom, armpit reinforcing apparatus includes two sets of first fixed plates, second fixed plate, rotary mechanism, slide mechanism and two sets of armpit anchor bars to and foot's reinforcing apparatus, right side bed body right side middle part is provided with the rectangular hole of second, foot's reinforcing apparatus slidable sets up in the elongated hole of second.

Description

A modular adjustable traction bed

technical field

The invention relates to the technical field of medical equipment, in particular to a modular adjustable traction bed.

Background technique

As we all know, the modular adjustable traction bed is a device used for rehabilitation traction on the lumbar spine and other parts during the rehabilitation process of patients. It is widely used; the existing modular adjustable traction bed includes two sets of bed bodies; when the existing modular adjustable traction bed is used, the patient lies flat on the two sets of beds, so that the waist is located in the gap between the two sets of beds. At the place where the traction device is used to move the two groups of beds to each other, the waist is pulled; in the use of the existing modular adjustable traction bed, it is found that when the traction is performed, auxiliary personnel are required to fix the patient, and it is difficult for the patient to train alone. , and at the same time after the training, the help of others is needed, and the convenience of using the equipment is poor.

SUMMARY OF THE INVENTION

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides a modular adjustable traction bed that can be fixed independently and can be pulled without the help of others, thereby improving the convenience of using the equipment.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: a modular adjustable traction bed of the present invention includes two sets of bed bodies; it also includes:

Two sets of fixing devices are respectively arranged on the two sets of beds and are used for fixing the waist and the hips respectively. a connecting mechanism between the fixing belts, four groups of second fixing belts fixedly connected to the left and right sides of the bottom ends of the two sets of first fixing belts respectively, and a winding mechanism arranged at the bottom end of the first bed body. There are four groups of first elongated holes, and the four groups of second fixing belts in one group of fixing devices pass through the four groups of first elongated holes respectively and are connected to the input end of the winding mechanism; the underarm reinforcement device is arranged on the left side On the left side of the bed body, the armpit reinforcement device includes two sets of first fixing plates fixedly arranged on the left side of the bottom end of the left side of the bed body, a second fixing plate slidably arranged on the top of the two sets of first fixing plates, and fixedly arranged The rotating mechanism at the top of the second fixed plate, the sliding mechanism arranged on the left side of the bottom end of the left side of the bed, and the two sets of underarm reinforcement rods connected with the rotating mechanism, the second fixed plate is connected to the two sets of the second fixed plate through the first limit mechanism. A fixed plate is slidably connected, the input end of the rotating mechanism is connected with the left bottom ends of the two sets of underarm reinforcement rods, and the output end of the sliding mechanism is connected with the bottom end of the second fixed plate; and a foot reinforcement device, on the right side of the right bed body The middle part is provided with a second elongated hole, and the foot reinforcement device can be slidably arranged in the second elongated hole.

Preferably, the foot reinforcement device includes a first cylinder fixedly arranged on the right side of the bottom end of the right side of the bed, a first reinforcement plate connected to the output end of the first cylinder, and a first reinforcement plate fixed at the top of the first reinforcement plate The first reinforcement rod and four groups of second reinforcement rods fixedly arranged at the front and rear ends of the first reinforcement rod, the first reinforcement plate is slidably connected to the right side of the bottom end of the right side of the bed through a second limiting mechanism.

Preferably, the rewinding mechanism includes two sets of rewinding shafts rotatably arranged at the bottom end of the left bed body, a first gear fixedly sleeved on the middle of the outer sidewall of the two sets of rewinding shafts, and a second gear arranged between the two sets of first gears The gear and the first motor connected with the second gear, the first gear on the front side is in meshing contact with the second gear on the front side, the first gear on the rear side is in meshing contact with the second gear on the rear side, the two sets of second gears are in meshing contact, and the first gear is in meshing contact with the second gear on the rear side. The output end of the motor is connected with the left end of the second gear on the front side, and four sets of second fixing belts are fixedly wound around the outer side walls of the two sets of winding shafts.

Preferably, the connection mechanism comprises a front split body of the buckle fixedly arranged on the rear side of the first fixing belt on the front side and a rear split body of the buckle fixed on the front side of the first fixing strap on the rear side.

Preferably, the sliding mechanism includes a second cylinder fixedly arranged on the left side of the bottom end of the left bed body, and the output end of the second cylinder is connected to the middle of the bottom end of the second fixing plate.

Preferably, the rotating mechanism includes a rotating shaft fixedly arranged on the lower side between the two sets of underarm reinforcement rods, a third gear fixedly sleeved on the middle of the outer side wall of the rotating shaft, a fourth gear in meshing contact with the third gear, The second motor is fixedly arranged at the front end of the fourth gear, the rotating shaft is connected with the top end of the second fixed plate through two sets of first auxiliary plates, and the rotating shaft is rotatably connected with the two sets of first auxiliary plates.

Preferably, the first limiting mechanism includes first slides disposed at the top ends of the two sets of first fixing plates and first sliders respectively disposed inside the two sets of first slides, and the tops of the two sets of first slides are respectively It is connected with the front and rear sides of the bottom end of the second fixing plate.

Preferably, the second limiting mechanism includes second slideways arranged on the front and rear sides of the bottom end of the right side of the bed, and second sliders arranged in two sets of second slideways, and the bottom ends of the two sets of second slides They are respectively connected with the front and rear sides of the top of the first reinforcing plate.

Preferably, it also includes a sponge cover fixedly arranged on the lower side of the outer side wall of the armpit reinforcement rod and fixedly sleeved on the outer side wall of the two sets of second reinforcement rods.

Preferably, it also includes a limit ring set that is fixedly sleeved on the outer side wall of the rotating shaft.

(3) Beneficial effects

Compared with the prior art, the present invention provides a modular adjustable traction bed, which has the following beneficial effects: two sets of fixing devices can respectively fix the waist and the hip, and first the patient lies flat on the two sets of beds, The waist is located at the gap between the two sets of beds. At this time, the connecting mechanism is used to connect and fix the two sets of first fixed belts, and the winding device rolls up the four sets of second fixed belts. The straps are tightened so that the patient can be immobilized (the fixation operation is the same for both sets of immobilization devices).

After the waist and hip are fixed, the rotating mechanism drives the two groups of underarm reinforcement rods to rotate, so that the right bottom ends of the two groups of underarm reinforcement rods are located under the patient's arm. At this time, according to the actual height of the patient, use The sliding mechanism moves the second fixing plate, the rotating mechanism and the two groups of underarm reinforcement rods in the left and right directions, so that the two groups of underarm reinforcement rods can reinforce the patient's underarms and reduce the phenomenon of sliding during the traction process.

When the patient's foot is reinforced, the foot fixing device is first moved to a suitable position and then the patient's foot is fixed, so as to reduce the phenomenon that the foot does not slip during the traction process.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram of the fixing device in the present invention;

Fig. 3 is the three-dimensional structure schematic diagram of the armpit reinforcement device in the present invention;

Fig. 4 is the three-dimensional structure schematic diagram of the foot reinforcement device and the sponge cover in the present invention;

Fig. 5 is the enlarged view of A part in Fig. 2;

Marked in the accompanying drawings: 1. Bed body;

2. Fixing device; 21. The first fixing belt; 22. The connecting mechanism; ; 242, the first gear; 243, the second gear; 244, the first motor;

3. Underarm reinforcement device; 31. First fixing plate; 32. Second fixing plate; 33. Rotating mechanism; 331. Rotating shaft; 332, third gear; 333, fourth gear; 334, second motor; 34 , sliding mechanism; 35, armpit reinforcement rod; 36, the first limit mechanism; 361, the first slide;

4. Foot reinforcement device; 41, First cylinder; 42, First reinforcement plate; 43, First reinforcement rod; 44, Second reinforcement rod; 45, Second limit mechanism; 451, Second slider;

5. Sponge cover;

6. Limit circle group.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-5, a modular adjustable traction bed of the present invention includes two sets of bed bodies 1; it also includes:

The two sets of fixing devices 2 are respectively arranged on the two sets of bed bodies 1 and are respectively used for fixing the waist and the hips. The fixing devices 2 comprise two sets of first fixing belts 21, The connecting mechanism 22 arranged between the two sets of first fixing belts 21 , the four groups of second fixing belts 23 fixedly connected to the left and right sides of the bottom ends of the two sets of first fixing belts 21 respectively, and the second fixing belts 23 arranged at the bottom end of the first bed body 1 . The winding mechanism 24, the two sets of bed bodies 1 are provided with four sets of first elongated holes, and the four sets of second fixing belts 23 in one set of fixing devices 2 pass through the four sets of first elongated holes respectively and are wound up. Mechanism 24 input terminal connection;

The underarm reinforcement device 3 is arranged on the left side of the left bed body 1, and the underarm reinforcement device 3 includes two sets of first fixing plates 31 that are fixedly arranged on the left side of the bottom end of the left side bed body 1, and are slidably arranged on the two sides. A second fixed plate 32 at the top of the first fixed plate 31 , a rotating mechanism 33 fixed on the top of the second fixed plate 32 , a sliding mechanism 34 located on the left side of the bottom end of the left side bed 1 , and a rotating mechanism 33 . Two sets of underarm reinforcement rods 35 , the second fixing plate 32 is slidably connected to the two sets of first fixing boards 31 through the first limiting mechanism 36 , and the input end of the rotating mechanism 33 is connected to the left bottom end of the two sets of underarm reinforcement rods 35 , the output end of the sliding mechanism 34 is connected with the bottom end of the second fixing plate 32; and

The foot reinforcement device 4 is provided with a second elongated hole in the middle of the right side of the right bed body 1 , and the foot reinforcement device 4 is slidably arranged in the second elongated hole.

In the present application, the two sets of fixing devices 2 can fix the waist and the hip respectively. First, the patient lies on the two sets of beds 1 so that the waist is located at the gap between the two sets of beds 1. At this time, the connecting mechanism 22 is used to The two sets of first fixing belts 21 are connected and fixed, and the winding mechanism 24 is used to wind up four groups of second fixing belts 23. During the winding process, the four groups of second fixing belts 23 are tightened, so that the patient can be fixed. The fixing operations of the two sets of fixing devices 2 are the same.

Specifically, the first fixing belt 21 is made of a mesh material, which can improve the air permeability and improve the comfort of the patient in summer.

In the present application, after fixing the waist and the hip, the rotating mechanism 33 drives the two groups of underarm reinforcement rods 35 to rotate, so that the right bottom ends of the two groups of underarm reinforcement rods 35 are located under the patient's arm. According to the actual height of the patient, the sliding mechanism 34 is used to move the second fixing plate 32, the rotating mechanism 33 and the two groups of underarm reinforcement rods 35 in the left and right directions, so that the two groups of underarm reinforcement rods 35 can reinforce the patient's underarms. , to reduce the phenomenon of slippage during traction.

Specifically, the first limiting mechanism 36 can ensure the sliding stability of the second fixing plate 32 from the top of the two sets of first fixing plates 31 , and reduce the shaking phenomenon of the rotating mechanism 33 and the underarm reinforcement rod 35 .

In the present application, when reinforcing the patient's foot, first move the foot fixing device 2 to an appropriate position and then fix the patient's foot, so as to reduce the phenomenon that the foot does not slip during the traction process.

In the embodiment of the present application, the foot reinforcement device 4 includes a first air cylinder 41 fixedly disposed on the right side of the bottom end of the right bed body 1 , a first reinforcement plate 42 connected to the output end of the first air cylinder 41 , The first reinforcement rod 43 fixedly arranged at the top of the first reinforcement plate 42 and the four sets of second reinforcement rods 44 fixedly arranged at the front and rear ends of the first reinforcement rod 43 , the first reinforcement plate 42 passing through the second limit mechanism 45 It is slidably connected to the right side of the bottom end of the right bed body 1.

In the present application, when fixing the patient's foot, the positions of the four groups of second reinforcement rods 44 are first adjusted according to the actual height of the patient. The first air cylinder 41 drives the first reinforcement plate 42 and the first reinforcement rod 43 And the four groups of second reinforcement rods 44 move left and right, and after moving to a suitable position, the patient stretches the ankle between the upper two groups of second reinforcement rods 44 and the lower two groups of second reinforcement rods 44, so that the fourth group of The two reinforcing rods 44 can reinforce the foot and increase the force point of the foot. When the first reinforcing plate 42 moves, the second limiting mechanism 45 can limit the first reinforcing plate 42 to increase the movement stability.

In the embodiment of the present application, the rewinding mechanism 24 includes two sets of rewinding shafts 241 rotatably arranged at the bottom end of the left bed body 1 , a first gear 242 fixedly sleeved on the middle of the outer side walls of the two sets of rewinding shafts 241 , and arranged in the two sets of rewinding shafts 241 The second gear 243 between the first gears 242 and the first motor 244 connected to the second gear 243, the front first gear 242 is in meshing contact with the front second gear 243, and the rear first gear 242 is in contact with the rear first gear 242. Two gears 243 are in meshing contact, two sets of second gears 243 are in meshing contact, the output end of the first motor 244 is connected to the left end of the second gear 243 on the front side, and four sets of second fixing belts 23 are fixedly wound around the outer walls of the two sets of winding shafts 241 .

In this application, the winding mechanism 24 at the bottom end of the left reinforcement device is taken as an example for description. When winding the second fixing belt 23, the first motor 244 drives the front second gear 243 to rotate. Under the meshing setting , the second gear 243 on the rear side rotates accordingly. Under the meshing contact of the teeth, the two sets of first gears 242 rotate accordingly. Then, the two sets of rewinding shafts 241 rotate accordingly, so as to tighten the second fixing belt 23 fixedly wound around the outer side walls of the two sets of reeling shafts 241, so as to realize the fixing effect on the patient.

Specifically, the two sets of rewinding shafts 241 and the two sets of second gears 243 are connected to the bottom end of the bed 1 through the setting plate, and the two sets of winding shafts 241 and the two sets of second gears 243 are respectively rotatably connected to the connected setting plates.

Specifically, the first motor 244 can rotate in the reverse direction, and at the same time the first motor 244 rotates in the reverse direction, the tightened second fixing belt 23 can be unrolled, and the patient can unwind the first fixing belt 21 at this time.

In the embodiment of the present application, the connection mechanism 22 includes a front snap body 221 fixedly disposed on the rear side of the first fixing belt 21 on the front side, and a rear snap snap body fixed on the front side of the first fixing belt 21 on the rear side. 222.

In this application, the above-mentioned connecting mechanism 22 is described by taking the left fixing device 2 as an example. The buckle is purchased in the market, and the usage method is relatively simple, so it will not be repeated. When fixing the position of the patient's waist and hip, first use The two sets of front split bodies 221 and the two sets of rear split bodies 222 are inserted and connected, and at this time, the second fixing belt 23 can be tightened.

Specifically, the front split body 221 of the buckle and the rear split body 222 of the buckle are sewn together with the first fixing belt 21 through a connecting belt.

In the embodiment of the present application, the sliding mechanism 34 includes a second cylinder fixedly disposed on the left side of the bottom end of the left bed body 1 , and the output end of the second cylinder is connected to the middle of the bottom end of the second fixing plate 32 .

In the present application, when the second fixing plate 32 , the rotating mechanism 33 and the two sets of underarm reinforcement rods 35 are moved, the second air cylinder can drive the second fixing plate 32 to move.

In the embodiment of the present application, the rotating mechanism 33 includes a rotating shaft 331 fixedly disposed on the lower side between the two sets of underarm reinforcement rods 35 , a third gear 332 fixedly sleeved on the middle of the outer side wall of the rotating shaft 331 , and a third gear 332 . The fourth gear 333 in meshing contact with the gear 332, the second motor 334 fixedly arranged at the front end of the fourth gear 333, the rotating shaft 331 is connected to the top of the second fixed plate 32 through two sets of first auxiliary plates, and the rotating shaft 331 is connected to the two sets of The first auxiliary plate is rotatably connected.

In the present application, when the two sets of armpit reinforcement rods 35 are rotated, the second motor 334 drives the fourth gear 333 to rotate. Under the meshing setting of the teeth, the third gear 332 rotates accordingly. The rotation shaft 331 rotates accordingly, and the two groups of underarm reinforcement rods 35 connected to the rotation shaft 331 rotate accordingly, so that the two groups of underarm reinforcement rods 35 move to the patient's underarm position, and at the same time, the two groups of first auxiliary plates can be The rotating shaft 331 is reinforced to improve stability.

Specifically, the rotating shaft 331 is rotatably connected with the two sets of first auxiliary plates through bearings, so as to improve the rotational stability.

The second motor 334 can be rotated in the reverse direction. When the second motor 334 is rotated in the reverse direction, the armpit reinforcement rod 35 can be moved away from the patient's armpit, and the patient can stand up.

In the embodiment of the present application, the first limiting mechanism 36 includes first slideways 361 disposed at the top ends of the two sets of first fixing plates 31 and first sliders respectively disposed inside the two sets of first slideways 361 . The top ends of the first sliding blocks of the group are respectively connected to the front and rear sides of the bottom end of the second fixing plate 32 .

In the present application, when the second fixing plate 32 moves from the top of the two sets of first fixing plates 31 , the two sets of first sliding blocks connected to the second fixing plates 32 can slide from the two sets of first slideways 361 respectively. The stability of the movement of the second fixing plate 32 , the rotating mechanism 33 and the underarm reinforcement rod 35 is improved.

In the embodiment of the present application, the second limiting mechanism 45 includes second slideways disposed on the front and rear sides of the bottom end of the right bed body 1 and second sliders 451 disposed in two sets of second slideways. The bottom end of the second sliding block 451 is connected to the front and rear sides of the top end of the first reinforcing plate 42 respectively.

In the present application, when the first reinforcement plate 42 in the foot reinforcement device 4 moves left and right, the second sliders 451 move from the two sets of second slideways, respectively, to raise the first reinforcement plate 42 and the first reinforcement plate 42 and the stability of the movement of the four sets of second reinforcement rods 44 .

In the embodiment of the present application, it also includes a sponge cover 5 fixedly disposed on the lower side of the outer side wall of the armpit reinforcement rod 35 and fixedly sleeved on the outer side wall of the two sets of second reinforcement rods 44 .

In the present application, the provision of the sponge cover 5 can improve the softness of the positions where the armpit reinforcement rods 35 and the four groups of second reinforcement rods 44 respectively contact the patient, thereby improving the comfort of the patient.

In the embodiment of the present application, a limit ring group 6 is also included that is fixedly sleeved on the outer side wall of the rotating shaft 331 .

In the present application, the limiting ring groups 6 are arranged on both sides of the second fixing belt 23 , and the setting of the limiting rings can limit the position of the second fixing belt 23 and reduce the phenomenon of displacement of the second fixing belt 23 during winding.

During use, the two sets of fixing devices 2 can fix the waist and the hip respectively. First, the patient lies on the two sets of beds 1 so that the waist is located at the gap between the two sets of beds 1. First, two sets of buckles are used. The front split body 221 and the two sets of buckle rear split bodies 222 are inserted and connected. After the two sets of first fixing straps 21 are connected, two sets of winding devices are used to fix the waist and hips. The left fixing device 2 is used as an example. For illustration, the same is true for the right fixing device 2. The first motor 244 drives the front second gear 243 to rotate. Under the meshing setting, the rear second gear 243 rotates accordingly. Under the meshing contact of the teeth, the two groups of The first gear 242 rotates accordingly. Under the meshing action of the teeth, the two sets of first gears 242 turn in opposite directions. Under the connection action, the two sets of winding shafts 241 rotate accordingly. The second fixing band 23 on the outer side wall of the rewinding shaft 241 is tightened, so that the patient can be fixed.

After fixing the waist and hips, firstly adjust the position of the second fixing plate 32 according to the actual height of the patient, the second air cylinder drives the second fixing plate 32 to move, and then the rotating mechanism 33 drives the two groups of armpits The reinforcement rod 35 rotates, and the second motor 334 drives the fourth gear 333 to rotate. Under the meshing setting of the teeth, the third gear 332 rotates accordingly. Under the action of the connection, the rotating shaft 331 rotates along with the rotating shaft. The two groups of underarm reinforcement rods 35 connected by 331 are rotated accordingly, so that the two groups of underarm reinforcement rods 35 can be moved to the patient's underarm position. The two sets of first sliders can slide respectively from the two sets of first slideways 361 to improve the movement stability of the second fixing plate 32 , the rotating mechanism 33 and the armpit reinforcement rod 35 and reduce the sliding phenomenon during traction.

When reinforcing the patient's foot, the positions of the four groups of second reinforcing rods 44 are first adjusted according to the position of the patient's foot, and the first air cylinder 41 drives the first reinforcing plate 42 , the first reinforcing rod 43 and the four groups of The second reinforcement rods 44 move left and right, and after moving to an appropriate position, the patient extends the ankle between the upper two sets of second reinforcement rods 44 and the lower two sets of second reinforcement rods 44, so that the four sets of second reinforcement rods 44 can reinforce the foot, increase the force point of the foot, and reduce the phenomenon that the foot has no force point to slide during the traction process. The movement is carried out in the two slideways to improve the stability of the movement of the first reinforcement plate 42 , the first reinforcement plate 42 and the four groups of second reinforcement rods 44 .

It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiment," "some embodiments," etc. mean that the described embodiment may include a particular feature, structure, or characteristic, but not necessarily Each embodiment includes the particular feature, structure or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure or characteristic is described in conjunction with one embodiment, it is within the knowledge of those skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments, expressly or not expressly described.

It should be readily understood that "on", "over" and "on" in this disclosure should be interpreted in the broadest possible manner, such that "on" does not only mean "on" Directly on something" also includes the meaning of "on something" with intervening features or layers, and "above" or "over" includes not only "above something" or " The meaning of "over" can also include "above" or "over" without intervening features or layers (ie, directly on something).

In addition, spatially relative terms such as "below," "below," "below," "above," "above," etc. may be used herein for ease of description, to describe one element or feature relative to other elements or features as shown in the drawings. relationship shown. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein may likewise be interpreted accordingly.

It should be noted that, in this document, relational terms such as "first" and "second" etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is no such actual relationship or sequence between entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A modular adjustable traction bed, comprising two sets of bed bodies (1); characterized in that, further comprising: Two sets of fixing devices (2) are respectively arranged on the two sets of bed bodies (1) and are respectively used for fixing the waist and the hips, and the fixing devices (2) comprise two sets of fixing devices (2) respectively arranged on the upper side of the bed bodies (1). Two sets of first fixing straps (21), a connecting mechanism (22) arranged between the two sets of first fixing straps (21), and four sets of first fixing straps (21) that are fixedly connected to the left and right sides of the bottom ends of the two sets of first fixing straps (21) respectively. A set of second fixing belts (23) and a winding mechanism (24) arranged at the bottom end of the first bed body (1), the two sets of bed bodies (1) are provided with four sets of first elongated holes, and a set of fixing devices The four groups of second fixing belts (23) in (2) are respectively connected to the input end of the winding mechanism (24) after passing through the four groups of first elongated holes; The armpit reinforcement device (3) is arranged on the left side of the left bed body (1), and the armpit reinforcement device (3) comprises two sets of first fixing devices fixedly arranged on the left side of the bottom end of the left bed body (1). a plate (31), a second fixing plate (32) slidably arranged at the top of the two sets of first fixing plates (31), a rotating mechanism (33) fixedly arranged at the top of the second fixing plate (32), and arranged on the left side The sliding mechanism (34) on the left side of the bottom end of the bed body (1) and two sets of underarm reinforcement rods (35) connected with the rotating mechanism (33), the second fixing plate (32) passes through the first limiting mechanism (36) It is slidably connected with the two sets of first fixing plates (31), the input end of the rotating mechanism (33) is connected with the left bottom ends of the two sets of underarm reinforcement rods (35), and the output end of the sliding mechanism (34) is connected with the second fixing plate (32) Bottom connections; and In the foot reinforcement device (4), a second elongated hole is provided in the middle of the right side of the right bed body (1), and the foot reinforcement device (4) is slidably arranged in the second elongated hole. 2 . The modular adjustable traction bed according to claim 1 , wherein the foot reinforcement device ( 4 ) comprises a first air cylinder fixedly arranged on the right side of the bottom end of the right bed body ( 1 ). 3 . (41), a first reinforcing plate (42) connected to the output end of the first air cylinder (41), a first reinforcing rod (43) fixedly arranged on the top end of the first reinforcing plate (42), and a first reinforcing rod (43) fixedly arranged on the first reinforcing plate (42); Four groups of second reinforcement rods (44) at the front and rear ends of a reinforcement rod (43), the first reinforcement plate (42) is connected to the right side of the bottom end of the right bed body (1) through the second limiting mechanism (45). Sliding connection. 3. A modular adjustable traction bed according to claim 2, characterized in that the winding mechanism (24) comprises two sets of winding shafts (241) rotatably arranged at the bottom end of the left bed body (1), A first gear (242) fixedly sleeved on the middle of the outer side walls of the two sets of winding shafts (241), a second gear (243) arranged between the two sets of first gears (242), and connected with the second gear (243) The first motor (244) on the front side is in meshing contact with the second gear (243) on the front side, and the first gear (242) on the rear side is in meshing contact with the second gear (243) on the rear side. The second gear (243) is in meshing contact, the output end of the first motor (244) is connected to the left end of the second gear (243) on the front side, and four sets of second fixing belts (23) are fixedly wound around the outside of the two sets of winding shafts (241). wall. 4. A modular adjustable traction bed according to claim 3, characterized in that, the connecting mechanism (22) comprises a front split body of a buckle that is fixedly arranged on the rear side of the first fixing belt (21) on the front side (221) and a rear snap-in body (222) that is fixedly arranged on the front side of the first fixing belt (21) on the rear side. 5. A modular adjustable traction bed according to claim 4, characterized in that the sliding mechanism (34) comprises a second air cylinder fixedly arranged on the left side of the bottom end of the left bed body (1), The output end of the two cylinders is connected to the middle of the bottom end of the second fixing plate (32). 6. A modular adjustable traction bed according to any one of claims 1-5, characterized in that the rotating mechanism (33) comprises a fixed arrangement between two sets of underarm reinforcement bars (35) The rotating shaft (331) on the lower side, the third gear (332) fixedly sleeved on the middle of the outer side wall of the rotating shaft (331), the fourth gear (333) in meshing contact with the third gear (332), The second motor (334) at the front end of the four gears (333), the rotating shaft (331) is connected to the top end of the second fixed plate (32) through two sets of first auxiliary plates, and the rotating shaft (331) is connected to the two sets of first auxiliary plates Swivel connection. 7. The modular adjustable traction bed according to any one of claims 1-5, wherein the first limiting mechanism (36) comprises two sets of first fixing plates (31) The first slideway (361) at the top and the first sliders respectively arranged inside the two sets of first slideways (361), the tops of the two sets of first slides are respectively connected to the front and rear sides of the bottom end of the second fixing plate (32). connect. 8 . The modular adjustable traction bed according to claim 7 , wherein the second limiting mechanism ( 45 ) comprises a second limiting mechanism ( 45 ) disposed on the front and rear sides of the bottom end of the right bed body ( 1 ). 9 . The slideway and the second sliders (451) arranged in the two sets of second slideways, the bottom ends of the two sets of second slides (451) are respectively connected with the front and rear sides of the top of the first reinforcing plate (42). 9. A modular adjustable traction bed according to claim 8, characterized in that it further comprises a reinforcing rod (35) fixedly arranged on the lower side of the outer side wall of the armpit, and a second reinforcing rod (35) fixedly sleeved on the two groups. 44) Sponge cover (5) on the outer side wall. 10 . The modular adjustable traction bed according to claim 9 , further comprising a limiting ring group ( 6 ) fixedly sleeved on the outer side wall of the rotating shaft ( 331 ). 11 .

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