CN220485264U - Safety protection device for lifting platform - Google Patents

Abstract

The utility model relates to the technical field of lifting platforms, in particular to a lifting platform safety protection device which can carry out emergency protection on workers when the lifting platform falls down or falls down, so that the safety is improved; the fence comprises a platform and a fence, wherein the fence is arranged on the platform; the folding air bag type automatic opening device comprises a fence, and is characterized by further comprising a plurality of folding air bags, two binding mechanisms, two buffer mechanisms, a power supply and a balance measuring instrument, wherein the folding air bags are respectively arranged at corner upright posts of the fence, the two binding mechanisms are respectively arranged on the front side and the rear side of the platform, the two buffer mechanisms are used for buffering the two binding mechanisms, a first air supply system and a second air supply system are arranged at the bottom of the platform, the first air supply system supplies air to the folding air bags, the second air supply system supplies air to the two buffer mechanisms, the power supply supplies power to the balance measuring instrument, the first air supply system and the second air supply system, and the balance measuring instrument detects the balance state of the platform and controls the first air supply system and the second air supply system to be automatically opened.

Description

Safety protection device for lifting platform

Technical Field

The utility model relates to the technical field of lifting platforms, in particular to a lifting platform safety protection device.

Background

The lifting platform is a lifting machine for vertically transporting personnel or goods. In order to improve the safety of use of the lifting platform, a protection device is usually mounted on the lifting platform.

In the prior art, various lifting platform safety protection devices are proposed, for example, the protection device for the lifting platform is proposed in China patent application No. ZL202222197715.3, the coaming of the device plays a role in enclosing, the coaming changes the height by screwing a screw rod, and the enclosing effect and flexibility are improved.

However, the above devices, like most protection devices, do not have the ability to protect personnel in the event of a fall or fall of the lifting platform, and therefore improvements are needed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the lifting platform safety protection device which can carry out emergency protection on workers when the lifting platform falls down or falls down, and improves the safety.

The lifting platform safety protection device comprises a platform and a fence, wherein the fence is arranged on the platform; the folding air bags are respectively arranged at corner columns of the fence, the two binding mechanisms are respectively arranged on the front side and the rear side of the platform, the two binding mechanisms are used for binding workers, the two buffer mechanisms are respectively arranged at the lower parts of the front side and the rear side of the platform, the two buffer mechanisms are used for buffering the two binding mechanisms, a first air supply system and a second air supply system are arranged at the bottom of the platform, the first air supply system supplies air to the folding air bags, the second air supply system supplies air to the two buffer mechanisms, the power supply and the balance measuring instrument are arranged at the bottom of the platform, the power supply supplies power to the balance measuring instrument, the first air supply system and the second air supply system, the balance measuring instrument detects the balance state of the platform and controls the first air supply system and the second air supply system to be automatically started; when the platform has the danger of toppling over or falling, balance measuring apparatu sends out the alarm, balance measuring apparatu control first air feed system is inflated to a plurality of folding gasbag, make a plurality of folding gasbag inflation block the inboard of rail, the staff is stepped on the binding mechanism and is bound, and spiral the health, balance measuring apparatu detects inclination and direction of platform, thereby control second air feed system is inflated to two buffer gear, make two binding mechanism drive the staff and remove to the opposite direction that the platform toppled over, when the platform topples over ground, binding mechanism's binding effect avoids the staff to be thrown, buffer gear carries out first buffering speed reduction to binding mechanism simultaneously, folding gasbag is blocked the staff elasticity and is carried out second buffering speed reduction, thereby reduce the injury that the staff received, realize carrying out emergent protection to the staff when the lift platform falls over or falls, improve the security.

Preferably, the device further comprises a plurality of film air bags, wherein the inner side walls of the plurality of folding air bags are provided with the film air bags, one-way valves are arranged between the plurality of film air bags and the plurality of folding air bags, and the plurality of film air bags are broken after being impacted by workers; through setting up a plurality of film air bags to the supplementary buffering speed reduction of staff, further improve the protection effect to the staff.

Preferably, the inflatable bag further comprises a plurality of clamping pieces, wherein the clamping pieces are arranged on the plurality of folding air bags, and the plurality of folding air bags are connected through the plurality of clamping pieces after the plurality of folding air bags are inflated and expanded; the plurality of folding air bags are connected through the plurality of clamping pieces, so that the plurality of folding air bags can be enclosed into a whole, and the stability of the plurality of folding air bags is improved.

Preferably, the first air supply system comprises a first high-pressure air cylinder, an electromagnetic valve, a first pipeline and a first pipeline 13, wherein the first high-pressure air cylinder is arranged at the bottom of the platform, the electromagnetic valve is arranged on an outlet of the first high-pressure air cylinder, an output end of the electromagnetic valve is connected with an input end of the first pipeline, an output end of the first pipeline is connected with a plurality of folding air bags, and the electromagnetic valve is electrically connected with the balance measuring instrument and the power supply; when the balance measuring instrument detects that the platform is inclined, the balance measuring instrument controls the electromagnetic valve to open, compressed air in the first high-pressure air cylinder is inflated to a plurality of folding air bags through the electromagnetic valve and the pipeline, automatic inflation of the folding air bags is achieved, and the practicability is good.

Preferably, the buffer mechanism comprises two piston cylinders and double-head piston rods, the two piston cylinders are symmetrically arranged at the left end and the right end of the bottom of the platform, the double-head piston rods are positioned at the middle parts of the two piston cylinders, the pistons at the two ends of the double-head piston rods are respectively and slidably arranged at the middle parts of the two piston cylinders, the outer ends of the two piston cylinders are respectively connected with the second air supply system, and the middle parts of the double-head piston rods are connected with the binding mechanism; when the balance measuring instrument detects that the platform is inclined, the balance measuring instrument controls the second air supply system to inflate the piston cylinder at the lower position to push the double-end piston rod to drive the binding frame to move towards the opposite direction of the tilting of the platform, when the platform falls on the ground, the binding mechanism drives the double-end piston rod to move downwards under the action of inertia, and the piston of the double-end piston rod compresses air in the piston cylinder below, so that the first buffering and decelerating of the binding mechanism and the staff is realized, the buffering and decelerating distance can be increased as much as possible, and the buffering and decelerating effect is improved.

Preferably, the second air supply system comprises a second air cylinder, a plurality of second electromagnetic valves and a second pipeline, wherein an outlet of the second air cylinder is connected with an input end of the second pipeline, the second electromagnetic valves are installed on an output end of the second pipeline, the output end of the second pipeline is respectively connected with the outer ends of the plurality of piston cylinders and supplies air to the plurality of piston cylinders, and the plurality of second electromagnetic valves are electrically connected with the balance measuring instrument and the power supply; when the balance measuring instrument detects that the platform is inclined, the balance measuring instrument controls the plurality of electromagnetic valves II to be opened in the inclined direction, so that the air bottle II supplies air to the two piston cylinders in the inclined direction through the pipeline, and the two double-headed piston rods are pushed to drive the two binding mechanisms and the staff to move in the direction far away from the platform and topple over, and the practicability is good.

Preferably, the binding mechanism comprises a binding frame, a plurality of foot binding bands and a plurality of handrails, wherein the lower end of the binding frame is connected with the middle part of the double-head piston rod, a pedal is arranged at the lower part of the binding frame, the plurality of foot binding bands are arranged on the pedal and are used for binding the feet of a worker, the upper part of the binding frame is in sliding connection with the cross beam of the fence, the handrails are arranged at the upper part of the binding frame and are used for binding the hands of the worker; the foot binding band and the armrest part bind hands and feet of the staff, so that the staff is prevented from being thrown out of the platform and the fence, meanwhile, the binding frame and the staff can buffer and decelerate, and the binding effect is stable.

Preferably, the balance measuring instrument further comprises a plurality of first switches and a plurality of second switches, wherein the first switches are arranged on pedals of the two binding frames, the first switches are positioned below the plurality of foot binding bands, after the first switches are trampled, the balance measuring instrument starts to control the corresponding second electromagnetic valves to be opened, so that the binding mechanism and the staff are driven to move, the second switches are arranged in the middle of the binding frames, and the second switches are pressed to manually operate the electromagnetic valves to be opened, so that the first high-pressure gas cylinder inflates the plurality of folding airbags; through setting up a plurality of switches one for binding frame and staff remove again after the staff binds, avoid binding frame striking staff, through setting up a plurality of switches two, can manual operation solenoid valve open, aerify a plurality of folding gasbag, the practicality is good.

Compared with the prior art, the utility model has the beneficial effects that: when the platform has the danger of toppling over or falling, balance measuring apparatu sends out the alarm, balance measuring apparatu control first air feed system is inflated to a plurality of folding gasbag, make a plurality of folding gasbag inflation block the inboard of rail, the staff is stepped on the binding mechanism and is bound, and spiral the health, balance measuring apparatu detects inclination and direction of platform, thereby control second air feed system is inflated to two buffer gear, make two binding mechanism drive the staff and remove to the opposite direction that the platform toppled over, when the platform topples over ground, binding mechanism's binding effect avoids the staff to be thrown, buffer gear carries out first buffering speed reduction to binding mechanism simultaneously, folding gasbag is blocked the staff elasticity and is carried out second buffering speed reduction, thereby reduce the injury that the staff received, realize carrying out emergent protection to the staff when the lift platform falls over or falls, improve the security.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic view of the bottom construction of the present utility model;

FIG. 4 is a schematic view of a bottom isometric construction of the present utility model;

FIG. 5 is a schematic structural view of a folded airbag and a first air supply system;

FIG. 6 is a schematic diagram of the structure of the binding mechanism and the second air supply system;

FIG. 7 is a schematic structural view of the binding mechanism and dual-headed piston rod, etc.;

the reference numerals in the drawings: 1. a platform; 2. a fence; 3. folding the air bag; 4. a binding mechanism; 5. a buffer mechanism; 6. a power supply; 7. a balance measuring instrument; 8. a membrane balloon; 9. a clamping piece; 10. a first high-pressure gas cylinder; 11. an electromagnetic valve; 12. a first pipeline; 14. a second gas cylinder; 15. a second electromagnetic valve; 16. a second pipeline; 17. a piston cylinder; 18. a double-headed piston rod; 20. a binding frame; 21. a foot strap; 22. a handrail part; 23. a first switch; 24. and a second switch.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 5, the lifting platform safety protection device comprises a platform 1 and a fence 2, wherein the fence 2 is arranged on the platform 1; the folding air bags 3 are respectively arranged at corner columns of the fence 2, the two binding mechanisms 4 are respectively arranged on the front side and the rear side of the platform 1, the two binding mechanisms 4 are used for binding workers, the two buffer mechanisms 5 are respectively arranged at the lower parts of the front side and the rear side of the platform 1, the two buffer mechanisms 5 are used for buffering the two binding mechanisms 4, a first air supply system and a second air supply system are arranged at the bottom of the platform 1, the first air supply system supplies air to the folding air bags 3, the second air supply system supplies air to the two buffer mechanisms 5, the power supply 6 and the balance measuring instrument 7 are arranged at the bottom of the platform 1, the power supply 6 supplies power to the balance measuring instrument 7, the first air supply system and the second air supply system, and the balance measuring instrument 7 detects the balance state of the platform 1 and controls the first air supply system and the second air supply system to be automatically started; the device also comprises a plurality of film air bags 8, wherein the film air bags 8 are arranged on the inner side walls of the plurality of folding air bags 3, one-way valves are arranged between the plurality of film air bags 8 and the plurality of folding air bags 3, and the plurality of film air bags 8 are broken after being impacted by staff; the inflatable folding device further comprises a plurality of clamping pieces 9, wherein the clamping pieces 9 are arranged on the plurality of folding air bags 3, and the plurality of folding air bags 3 are connected through the plurality of clamping pieces 9 after the plurality of folding air bags 3 are inflated; the first air supply system comprises a first high-pressure air cylinder 10, an electromagnetic valve 11 and pipelines 12 and 13, wherein the first high-pressure air cylinder 10 is arranged at the bottom of the platform 1, the electromagnetic valve 11 is arranged on the outlet of the first high-pressure air cylinder 10, the output end of the electromagnetic valve 11 is connected with the input end of the pipeline 12, the output end of the pipeline 12 is connected with the plurality of folding air bags 3, and the electromagnetic valve 11 is electrically connected with the balance measuring instrument 7 and the power supply 6.

When the platform 1 has the danger of toppling over or falling, balance measuring instrument 7 sends out the alarm, when balance measuring instrument 7 detects that platform 1 inclines, balance measuring instrument 7 control solenoid valve 11 opens, compressed air in high-pressure gas bottle one 10 is through solenoid valve 11 and pipeline one 12 to a plurality of folding gasbag 3 aerifys, realize the automatic inflation to folding gasbag 3, a plurality of joint piece 9 connect a plurality of folding gasbag 3, make a plurality of folding gasbag 3 can enclose into an entirety, thereby make a plurality of folding gasbag 3 inflation block the inboard of rail 2, the staff is on binding mechanism 4 and bind, and spiral the body, balance measuring instrument 7 detects inclination and the direction of platform 1, thereby control second air feed system to two buffer gear 5 inflates, make two binding mechanism 4 drive the staff to the opposite direction removal that platform 1 toppled over, when platform 1 emptys to the ground, the binding effect of binding mechanism 4 avoids the staff to be gone out, buffer mechanism 5 carries out first buffering speed reduction to binding mechanism 4, gasbag 3 carries out the elasticity to block the staff and second buffering speed reduction, thereby reduce the staff's the inboard of rail 2 and shelter from falling staff, the protection film takes place when the emergency work personnel is fallen down, the protection film is realized, the safety protection is passed through the protection film is further to the protection personnel and is toppled over to the platform is improved.

As shown in fig. 6 to 7, the buffer mechanism 5 includes two piston cylinders 17 and double-headed piston rods 18, the two piston cylinders 17 are symmetrically mounted at the left and right ends of the bottom of the platform 1, the double-headed piston rods 18 are located at the middle parts of the two piston cylinders 17, the pistons at the two ends of the double-headed piston rods 18 are respectively slidably mounted at the middle parts of the two piston cylinders 17, the outer ends of the two piston cylinders 17 are respectively connected with the second air supply system, and the middle parts of the double-headed piston rods 18 are connected with the binding mechanism 4; the second air supply system comprises a second air cylinder 14, a plurality of second electromagnetic valves 15 and a second pipeline 16, wherein an outlet of the second air cylinder 14 is connected with an input end of the second pipeline 16, the second electromagnetic valves 15 are arranged on an output end of the second pipeline 16, the output end of the second pipeline 16 is respectively connected with the outer ends of a plurality of piston cylinders 17 and supplies air to the plurality of piston cylinders 17, and the plurality of second electromagnetic valves 15 are electrically connected with the balance measuring instrument 7 and the power supply 6; the binding mechanism 4 comprises a binding frame 20, a plurality of foot binding bands 21 and a plurality of handrails 22, wherein the lower end of the binding frame 20 is connected with the middle part of the double-headed piston rod 18, the lower part of the binding frame 20 is provided with a pedal, the pedal is provided with the plurality of foot binding bands 21, the plurality of foot binding bands 21 are used for binding the feet of a worker, the upper part of the binding frame 20 is in sliding connection with the cross beam of the fence 2, the upper part of the binding frame 20 is provided with the handrails 22, and the handrails 22 are used for binding the hands of the worker; the balance measuring instrument 7 starts to control the corresponding electromagnetic valve II 15 to be opened after the plurality of switches I23 are trampled, so that the binding mechanism 4 and the staff are driven to move, the switch II 24 is arranged in the middle of the binding frame 20, the electromagnetic valve 11 is manually operated to be opened by pressing the switch II 24, and the high-pressure gas cylinder I10 inflates the plurality of folding airbags 3.

When the balance measuring instrument 7 detects that the platform 1 is inclined, the foot binding belt 21 and the armrest part 22 bind hands and feet of a worker, so that the worker is prevented from being thrown out of the platform 1 and the fence 2, meanwhile, the binding frame 20 and the worker can buffer and decelerate, the binding frame 20 and the worker move again after the worker is bound by arranging the plurality of first switches 23, the binding frame 20 is prevented from striking the worker, the balance measuring instrument 7 controls the plurality of second electromagnetic valves 15 to be opened in the inclined direction, the gas cylinder 14 supplies gas to the two piston cylinders 17 in the inclined direction through the second switches 16, the double-end piston rod 18 is pushed to drive the binding frame 20 to move towards the opposite direction of the tilting of the platform 1, when the platform 1 falls down, the binding frame 20 and the worker drive the double-end piston rod 18 to move downwards under the action of inertia, the piston of the double-end piston rod 18 compresses air in the piston cylinder 17, the first buffer and decelerate of the worker can be increased as much as possible, the buffer and decelerate effect is improved, the binding effect is stable, the plurality of second switches 24 are arranged, the electromagnetic valves 11 can be operated manually, and the air bag is folded 3 is good, and practical.

As shown in fig. 1 to 7, in the lifting platform safety protection device of the utility model, when the platform 1 is in danger of toppling or falling, firstly, the balance measuring instrument 7 gives an alarm, a worker climbs the pedal of the binding frame 20, binds the feet through the plurality of foot binding bands 21, binds the hands through the armrest portion 22, and contracts the body, then the balance measuring instrument 7 controls the electromagnetic valve 11 to open, the high-pressure gas cylinder 10 inflates the plurality of folding airbags 3 through the first pipeline 12, the plurality of folding airbags 3 expand and are connected and enclosed into a circle through the plurality of clamping pieces 9 to block the inner side of the fence 2, then the balance measuring instrument 7 detects the inclination angle and the direction of the platform 1, the worker tramples the first switch 23, the balance measuring instrument 7 controls the plurality of electromagnetic valves II 15 positioned in the inclination direction to open, the gas cylinder II 14 supplies gas to the two piston cylinders 17 positioned in the inclination direction through the second pipeline 16, thereby pushing the two double-headed piston rods 18 to drive the two binding mechanisms 4 and the worker to move in the direction far away from the platform 1, finally, the foot binding bands 21 and the second piston rods 18 serve as the buffer the piston rods 18 to buffer the first piston rods 18 to reduce the impact the first piston rods and the first piston rods 17 and the buffer the piston rods 8 to reduce the impact the first piston rods and the second piston rods to reduce the impact the first piston rods and the second piston rods to the worker to reduce the impact the first piston rods and the impact the first buffer the worker to the worker and the second piston rods 18 and the worker to reduce the impact the first buffer the piston membrane 18.

The main functions realized by the utility model are as follows:

1. the emergency protection can be carried out on the staff when the lifting platform falls down or falls down, so that the safety is improved;

2. automatically detecting the inclination direction of the platform and automatically running;

3. the multi-stage buffering speed reduction is realized, and the injury to workers is reduced.

The lifting platform safety protection device has the advantages that the installation mode, the connection mode or the setting mode of the lifting platform safety protection device are common mechanical modes, and the lifting platform safety protection device can be implemented as long as the beneficial effects of the lifting platform safety protection device can be achieved; the platform 1, the fence 2, the folding air bag 3, the power supply 6, the balance measuring instrument 7, the film air bag 8, the clamping piece 9, the first high-pressure air cylinder 10, the electromagnetic valve 11, the first pipeline 12, the second air cylinder 14, the second electromagnetic valve 15, the second pipeline 16, the first switch 23 and the second switch 24 of the lifting platform safety protection device are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction, and does not need to carry out creative labor by the person skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. The lifting platform safety protection device comprises a platform (1) and a fence (2), wherein the fence (2) is arranged on the platform (1); the automatic balance measuring device is characterized by further comprising a plurality of folding airbags (3), two binding mechanisms (4), two buffer mechanisms (5), a power supply (6) and a balance measuring instrument (7), wherein the folding airbags (3) are respectively arranged at corner upright posts of the fence (2), the two binding mechanisms (4) are respectively arranged on the front side and the rear side of the platform (1), the two binding mechanisms (4) are used for binding workers, the two buffer mechanisms (5) are respectively arranged at the lower parts of the front side and the rear side of the platform (1), the two buffer mechanisms (5) are used for buffering the two binding mechanisms (4), a first air supply system and a second air supply system are arranged at the bottom of the platform (1), the first air supply system supplies air to the folding airbags (3), the second air supply system supplies air to the two buffer mechanisms (5), the power supply (6) and the balance measuring instrument (7) are arranged at the bottom of the platform (1), and the power supply (6) supplies air to the balance measuring instrument (7), the first air supply system and the second air supply system, and the balance measuring instrument (7) detects the state of the platform (1) and controls the first air supply system and the second air supply system to be started.

2. The lifting platform safety protection device according to claim 1, further comprising a plurality of film air bags (8), wherein the film air bags (8) are arranged on the inner side walls of the plurality of folding air bags (3), one-way valves are arranged between the plurality of film air bags (8) and the plurality of folding air bags (3), and the plurality of film air bags (8) are broken after being impacted by workers.

3. The lifting platform safety protection device according to claim 1, further comprising a plurality of clamping pieces (9), wherein the clamping pieces (9) are arranged on the plurality of folding airbags (3), and the plurality of folding airbags (3) are connected through the plurality of clamping pieces (9) after the plurality of folding airbags (3) are inflated.

4. The lifting platform safety protection device according to claim 1, wherein the first air supply system comprises a first high-pressure air cylinder (10), an electromagnetic valve (11) and pipelines (12) and 13, the first high-pressure air cylinder (10) is arranged at the bottom of the platform (1), the electromagnetic valve (11) is arranged on the outlet of the first high-pressure air cylinder (10), the output end of the electromagnetic valve (11) is connected with the input end of the pipeline (12), the output end of the pipeline (12) is connected with the plurality of folding air bags (3), and the electromagnetic valve (11) is electrically connected with the balance measuring instrument (7) and the power supply (6).

5. The lifting platform safety protection device according to claim 1, wherein the buffer mechanism (5) comprises two piston cylinders (17) and double-head piston rods (18), the two piston cylinders (17) are symmetrically arranged at the left end and the right end of the bottom of the platform (1), the double-head piston rods (18) are positioned at the middle parts of the two piston cylinders (17), the pistons at the two ends of the double-head piston rods (18) are respectively and slidably arranged at the middle parts of the two piston cylinders (17), the outer ends of the two piston cylinders (17) are respectively connected with the second air supply system, and the middle parts of the double-head piston rods (18) are connected with the binding mechanism (4).

6. The lifting platform safety protection device according to claim 5, wherein the second air supply system comprises a second air cylinder (14), a plurality of second electromagnetic valves (15) and a second pipeline (16), an outlet of the second air cylinder (14) is connected with an input end of the second pipeline (16), the second electromagnetic valves (15) are installed on an output end of the second pipeline (16), the output ends of the second pipeline (16) are respectively connected with outer ends of a plurality of piston cylinders (17) and supply air to the plurality of piston cylinders (17), and the second electromagnetic valves (15) are electrically connected with the balance measuring instrument (7) and the power supply (6).

7. The lifting platform safety protection device according to claim 5, wherein the binding mechanism (4) comprises a binding frame (20), a plurality of foot binding bands (21) and a plurality of handrails (22), the lower end of the binding frame (20) is connected with the middle part of the double-headed piston rod (18), the lower part of the binding frame (20) is provided with a pedal, the pedal is provided with the plurality of foot binding bands (21), the plurality of foot binding bands (21) are used for binding the feet of a worker, the upper part of the binding frame (20) is in sliding connection with the cross beam of the fence (2), the upper part of the binding frame (20) is provided with the handrails (22), and the handrails (22) are used for binding the hands of the worker.

8. The lifting platform safety protection device according to claim 7, further comprising a plurality of first switches (23) and a plurality of second switches (24), wherein the plurality of first switches (23) are arranged on pedals of the two binding frames (20), the plurality of first switches (23) are positioned below the plurality of foot binding bands (21), after the plurality of first switches (23) are trampled, the balance measuring instrument (7) starts to control the corresponding second solenoid valves (15) to open so as to drive the binding mechanism (4) and the staff to move, the second switches (24) are arranged in the middle of the binding frames (20), and the second switches (24) are pressed to manually operate the solenoid valves (11) to open so that the first high-pressure air cylinders (10) inflate the plurality of folding air bags (3).