CN112641569B

CN112641569B - Health detection equipment

Info

Publication number: CN112641569B
Application number: CN202011526064.7A
Authority: CN
Inventors: 周叶伟
Original assignee: Chengdu Xifu Aicun Health Management Co ltd
Current assignee: Sichuan Xiangxue Xifu Health Management Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2022-12-20
Anticipated expiration: 2040-12-22
Also published as: CN112641569A

Abstract

The invention discloses health detection equipment, which comprises a first panel, a second panel, a third panel, a movement device, a starting device and a detection device, wherein the first panel is connected with the second panel through a first connecting rod; the starting device comprises a first rotating sleeve, a first rotating shaft, a first starting bin, a starting valve, a second starting bin, a third communication bin, a containing bin, a supporting angle, a first supporting cylinder, a second supporting cylinder, a hinged arm, a hinged column, a starting knob, a starting gear, an unlocking sliding groove, a limiting pin, a limiting rack, a limiting caliper, a limiting groove, a return spring and a fixing groove; the limiting rack is meshed with the starting gear. The invention can realize that the detection device is switched from the single bed state to the wheelchair state through the starting device, thereby facilitating the transfer of patients without interrupting the detection process; meanwhile, the detection device integrates a plurality of detection devices on the detection platform, so that the problem that a plurality of instruments occupy the space is solved.

Description

Health detection equipment

Technical Field

The invention belongs to the technical field of detection, and particularly relates to health detection equipment.

Background

In clinical treatment, it is very important to master various health data of a patient, such as heart rate, blood pressure, blood oxygen saturation, body temperature and the like, so various health detection instruments are arranged in a ward to detect the health data of the patient, and a nurse can regularly measure the body temperature, the blood pressure and other data, the detection mode is very labor-consuming, the detection equipment occupies a large space, and often causes the situation that various electric wires are distributed in a sickbed of the ward, and the monitor is often bulky and difficult to move, when the patient needs to transfer or carry out some trans-regional examinations, the patient must shut down various examination instruments, the health data of the patient during transfer or outgoing is difficult to detect, the possibility of accidents is increased, and the patient is not favorable for controlling the state of an illness; meanwhile, when going out for emergency, various monitors need to be installed in the ambulance, which wastes time and labor.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the health detection equipment which is highly integrated and convenient to transfer.

In order to achieve the purpose, the invention adopts the following technical scheme: a health detection device comprises a first panel, a second panel rotatably connected with the first panel, a third panel rotatably connected with the second panel, a movement device arranged on the lower side of the second panel, a starting device arranged on the second panel and a detection device arranged on the first panel; the starting device comprises a central sealed cabin arranged in the second panel, a hydraulic device fixedly connected to the bottom of the central sealed cabin, a hydraulic arm fixedly connected to the hydraulic device, a pressure increasing plate fixedly connected to the hydraulic arm, a first rotating sleeve fixedly connected to the first panel, a first rotating shaft fixedly connected to the second panel and rotatably connected to the first rotating sleeve, a first starting cabin arranged on the second panel, a starting valve slidably connected to the starting cabin, a second starting cabin arranged on the second panel, a third communicating cabin communicating the first starting cabin with the second starting cabin, a plurality of receiving cabins arranged in front of the second panel, a supporting angle fixedly connected to the receiving cabins, a first supporting cylinder rotatably connected to the supporting angle, a second supporting cylinder fixedly connected to the supporting angle, a second rotating shaft fixedly connected to the second panel, a first rotating shaft rotatably connected to the first rotating sleeve, a first starting cabin arranged on the second panel, and a second starting cabin arranged in front of the second panel the second support cylinder is connected with the first support cylinder in a sliding mode, the hinged arm is fixedly connected with the second support cylinder, the hinged column is fixedly connected with the first panel and can be connected with the hinged arm in a rotating mode, the starting knob is fixedly connected with the rotating shaft, the starting gear is fixedly connected with the starting knob, the unlocking sliding groove is formed in the second panel, the limiting pin is connected in the unlocking sliding groove in a sliding mode, the limiting rack is fixedly connected with the limiting pin, the limiting caliper is fixedly connected with the first panel, the limiting groove is formed in the limiting caliper, the return spring is arranged on one side of the limiting pin, the fixing groove is formed in the second panel, the second rotating sleeve is fixedly connected with the second panel, and the second rotating shaft is fixedly connected with the third panel; the limiting rack is meshed with the starting gear; when a patient needs to be transferred, a starting knob is rotated to drive a starting gear to rotate, under the meshing action of gears, a limiting rack rises to drive a limiting pin to rise, further, the limiting pin withdraws from a limiting groove, meanwhile, a hydraulic device is started, a hydraulic arm drives a pressurizing plate to go upwards, the air pressure in a central sealing groove is increased, further, the air pressure in a first starting bin is increased, a starting valve is driven to move outwards, extrusion force is generated on the lower portion of a first panel, the first panel is lifted upwards, the first supporting cylinder drives a second supporting cylinder to withdraw from a containing bin, further, the tail end of the starting valve passes through a third communicating bin, the air pressure in the first starting bin is transmitted to a second starting bin to drive the second supporting cylinder to slide outwards along the first supporting cylinder, the first panel is driven to rotate around a first rotating shaft under the action of a hinged arm and a hinged column, and the third panel rotates downwards along the second rotating shaft, and further, the original flat plate posture of the whole detection equipment is changed into a seat posture; when the starting knob is rotated reversely, the first panel is turned downwards, the third panel is turned upwards, and the detection equipment is restored to a flat plate state; the chair posture and the flat posture can be freely switched by starting the knob without interrupting the detection state, so that the patient can be conveniently subjected to real-time health detection in the transferring process; the starting knob is arranged on the right hand side of the detection equipment, when a patient wants to get up, the patient can easily switch the lying position of the sitting position by starting the knob, the power part is provided with hydraulic pressure, more physical requirements on the patient cannot be made, and the patient does not need to depend on the help of a third person, so that the power-saving and labor-saving effects are achieved; the limit pin can fix the detection equipment in a flat plate state, so that the generation of virtual positions is reduced, and the equipment is prevented from shaking; the gas inlet in third intercommunication storehouse is at the middle part in first start-up storehouse, when hydraulic means starts, can push away a little angle with first panel through promoting the starting valve at first, and release first supporting cylinder and second supporting cylinder from the collecting storage, contact dead angle limit state, afterwards, third intercommunication storehouse and first start-up storehouse, the second supporting cylinder begins to exert oneself, with first panel upset, make deformation work from the area order, can keep the spacing device steadiness that brings in dead angle, again can be when warping, at first contact dead angle state, avoid the device to transship and take place the damage, the mechanism sets up exquisitely, whole journey pneumatic start-up, the noise is little, the fault rate is low.

The movement device comprises a plurality of supporting legs fixedly connected to the second panel, a lifting barrel arranged on the supporting legs, a balance bin arranged on the second panel, a first communication bin communicated with the balance bin and the central sealing bin, a squeezing valve connected to the first communication bin in a sliding manner, a lifting arm arranged at the rear side of the squeezing valve and connected to the lifting barrel in a sliding manner, a roller wheel rotatably connected to the lifting arm and a second communication bin communicated with the lifting barrel and the balance bin; after the flat posture is changed into the wheelchair posture, the air pressure in the central sealing cylinder is further increased, the sequential springs are compressed, the extrusion valve slides along the first communicating bin, the air pressure in the balance bin is increased, further, the air pressure in the lifting cylinder is increased, the lifting arm slides downwards along the lifting cylinder, the roller starts to contact the ground, the whole device is jacked up, and the whole device can move freely; conversely, the knob is started by rotating reversely, the hydraulic device drives the pressurizing plate to press down, the air pressure of the central sealing bin is reduced, the lifting arm is pushed back into the lifting bin, and the whole device cannot move; under the action of the sequence springs, the control of the lifting arm also has the effect of sequence control, the starting pressure of the extrusion bin is higher at the beginning of the increase of the air pressure in the central sealing bin due to the existence of the sequence springs, the air pressure can firstly start the dead angle of the supporting cylinder to be removed, then the panel is turned over, and the lifting arm can start to lift after the completion of the two processes, so that the stability of the detection equipment during deformation is ensured; on the other hand, when the detection equipment is changed into a wheelchair, the lifting arm is put down to unlock and move, when the detection equipment is changed into a flat bed, the lifting arm retracts into the lifting cylinder to lock and move, so that the transfer work of a patient can be conveniently carried out, when the detection equipment is changed into the wheelchair, the size is smaller, the moving speed is higher, the device is also suitable for outgoing first-aid work, particularly when the transportation is not very convenient, the characteristic of small size and convenient movement can be fully exerted, the patient can be quickly collected, the time waste is reduced, and meanwhile, the health data can be synchronously detected; moreover, the lifting arm is driven by air, and when the lifting arm moves, the air has a certain damping effect, so that the bumping feeling is reduced.

The detection framework comprises a spherical bulge fixedly connected to the first panel, a monitoring panel fixedly connected to the spherical bulge, a spherical cover plate rotatably connected to the spherical bulge, a temperature sensor fixedly connected to the spherical cover plate and a blood pressure measuring device arranged on the side edge of the first panel; the monitoring panel is integrated on the head of the first panel, can move along with the detection equipment, checks and records the health data of the patient in real time, does not need to be additionally provided with a display, reduces the use of wires and saves the occupied area; the spherical bulge is obliquely arranged, so that medical personnel can conveniently watch the monitoring panel; temperature sensor on the spherical cover plate can carry out body temperature detection to patient in real time, replaces traditional artifical armpit to measure, has reduced medical personnel's burden to the spherical cover plate can wrap up patient's forehead portion, reduces the influence of environment to patient's facial temperature, has improved the accuracy nature of detection data.

The blood pressure measuring device comprises a storage box arranged on the first panel, a sealing cover plate rotatably connected to the storage box, a first rotary column rotatably connected to the storage box, a cross beam fixedly connected to the first rotary column, a second rotary column fixedly connected to the cross beam, a rotary table rotatably connected to the rotary column, a measuring arm sleeve sleeved on the rotary table and a connecting air pipe connected to the measuring arm sleeve and the rotary table; the first rotary column and the second rotary column ensure the freedom degree of the blood pressure measuring device, so that the measuring arm sleeve has higher flexibility and can adapt to various bed-lying postures of patients; the storage box can store a plurality of measuring devices including the blood pressure measuring device after the use is finished, so that the problem that the measuring devices need to be stored independently after the use is finished is avoided, and meanwhile, the problem that electric wires are disordered on measuring equipment is also avoided.

A medicine containing mechanism is arranged on the side of the second panel; the medicine containing mechanism can store some medicines used by patients, and the medicine can not be lost in the moving process or the stopping process.

In summary, the invention has the following advantages: by the aid of the starting device, the detection equipment can change the postures of the wheelchair and the flat plate, the posture of the patient can be adjusted conveniently, and meanwhile, the patient does not need to be transferred to the wheelchair in an extra manner in the transfer process of the patient, and detection of health data is not interrupted; the motion device can adjust the detection equipment to be in a motion state or a static state, so that the movement of the patient is facilitated; the detection device is highly integrated, and troubles brought to patients by various electric wires are reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a top view of the present invention.

Fig. 4 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A of fig. 3.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is a cross-sectional view taken along line B-B of fig. 3.

Fig. 7 is a cross-sectional view taken along line C-C of fig. 3.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-7, a health detection device comprises a first panel 1, a second panel 2, a third panel 3, a movement device 4, an activation device 5, and a detection device 6; the second panel 2 is rotatably connected to the first panel 1; the third panel 3 is rotatably connected to the second panel 2; the motion device 4 is arranged at the lower side of the second panel 2; the starting device 5 is arranged on the second panel 2; the detection device 6 is arranged on the first panel 1; the starting device 5 comprises a central sealing chamber 51, a hydraulic device 52, a hydraulic arm 53, a pressurizing plate 54, a first rotating sleeve 55, a first rotating shaft 56, a first starting chamber 57, a starting valve 58, a second starting chamber 59, a third communicating chamber 510, a containing chamber 511, a supporting angle 512, a first supporting cylinder 513, a second supporting cylinder 514, an articulated arm 515, an articulated column 516, a starting knob 517, a starting gear 518, an unlocking sliding groove 519, a limiting pin 521, a limiting rack, a limiting caliper 523, a limiting groove 524, a return spring 525, a fixing groove 526, a second rotating sleeve 527 and a second rotating shaft 528; the central sealed cabin 51 is arranged in the second panel 2; the hydraulic device 52 is fixedly connected to the bottom of the central sealed cabin 51; the hydraulic arm 53 is fixedly connected to the hydraulic device 52; the pressurizing plate 54 is fixedly connected to the hydraulic arm 53; the first rotating sleeve 55 is fixedly connected to the first panel 1; the first rotating shaft 56 is fixedly connected to the second panel 2 and rotatably connected to the first rotating sleeve 55; the first starting bin 57 is arranged on the second panel 2; the starting valve 58 is slidably connected to the starting bin; the second starting bin 59 is arranged on the second panel 2; the third communicating chamber 510 communicates the first starting chamber 57 with the second starting chamber 59; the four storage bins 511 are arranged in front of the second panel 2; the supporting angle 512 is fixedly connected with the containing bin 511; the first support drum 513 is rotatably connected to the support corner 512; said second support drum 514 is slidably coupled to said first support drum 513; the hinge arm 515 is fixedly connected to the second support cylinder 514; the hinge column 516 is fixedly connected to the first panel 1 and rotatably connected to the hinge arm 515; the starting knob 517 is fixedly connected to the rotating shaft; the starting gear 518 is fixedly connected to the starting knob 517; the unlocking slide groove 519 is provided in the second panel 2; the limiting pin 521 is slidably connected in the unlocking slide groove 519; the limiting rack is fixedly connected to the limiting pin 521; the limiting caliper 523 is fixedly connected to the first panel 1; the limiting groove 524 is arranged on the limiting caliper 523; the return spring 525 is arranged on one side of the limit pin 521; the fixing slots 526 are provided on the second panel 2; the second rotating sleeve 527 is fixedly connected to the second panel 2; the second rotating shaft 528 is fixedly connected to the third panel 3; the limit rack is engaged with the start gear 518.

The movement device 4 comprises a supporting foot 41, a lifting cylinder 42, a balance bin 43, a first communication bin 44, a squeezing valve 45, a sequence spring 46, a lifting arm 47, a roller 48 and a second communication bin 49; the four supporting legs 41 are fixedly connected to the second panel 2; the lifting cylinder 42 is arranged on the supporting leg 41; the balance bin 43 is arranged on the second panel 2; the first communicating cabin 44 communicates the balancing cabin 43 and the central sealing cabin 51; the squeezing valve 45 is slidably connected to the first communicating bin 44; the sequence spring 46 is arranged at the rear side of the extrusion valve 45; the lifting arm 47 is slidably connected to the lifting cylinder 42; the roller 48 is rotatably connected to the lifting arm 47; the second communicating chamber 49 communicates the lifting cylinder 42 and the balancing chamber 43.

The detection framework comprises a spherical bulge 11, a monitoring panel 12, a spherical cover plate 13, a temperature sensor 14 and a blood pressure measuring device 15; the spherical bulge 11 is fixedly connected to the first panel 1; the monitoring panel 12 is fixedly connected to the spherical bulge 11; the spherical cover plate 13 is rotatably connected to the spherical protrusion 11; the temperature sensor 14 is fixedly connected to the spherical cover plate 13; the blood pressure measuring device 15 is arranged on the side of the first panel 1.

The blood pressure measuring device 15 comprises a storage box 16, a sealing cover plate 17, a first rotary column 18, a cross beam 19, a second rotary column 110, a rotary table 111, a measuring arm sleeve 112 and a connecting air pipe 113; the storage box 16 is arranged on the first panel 1; the sealing cover 17 is rotatably connected to the storage box 16; the first swing post 18 is rotatably connected to the storage box 16; the cross beam 19 is fixedly connected to the first swing column 18; the second rotary column 110 is fixedly connected to the beam 19; the rotary table 111 is rotatably connected to the rotary column; the measuring arm sleeve 112 is sleeved on the rotary table 111; the connecting air pipe 113 is connected to the measuring arm sleeve 112 and the rotary table 111.

The second panel 2 is provided with a medicine storage mechanism 114 on its side. .

The specific working process is as follows:

when a patient needs to be transferred, the starting knob 517 is rotated, the starting knob 517 drives the starting gear 518 to rotate, under the meshing action of the gears, the limiting rack ascends to drive the limiting pin 521 to ascend, further, the limiting pin 521 withdraws from the limiting groove 524, meanwhile, the hydraulic device 52 is started, the hydraulic arm 53 drives the pressurizing plate 54 to ascend, the air pressure in the central sealing groove is increased, further, the air pressure in the first starting bin 57 is increased, the starting valve 58 is driven to move outwards, and extrusion force is generated on the lower portion of the first panel 1, the first panel 1 is lifted upwards, the first supporting cylinder 513 drives the second supporting cylinder 514 to withdraw from the storage bin 511, further, the tail end of the starting valve 58 passes through the third communicating bin 510, the air pressure in the first starting bin 57 is transmitted to the second starting bin 59, the second supporting cylinder 514 is driven to slide outwards along the first supporting cylinder 513, the first panel 1 is driven to rotate around the first rotating shaft 56 to rotate reversely under the hinging action of the hinged arms 515 and the columns 516, and the posture of the whole flat plate is changed into the posture of the whole flat plate detection device; when the start knob 517 is rotated reversely, the first panel 1 is turned downwards, the third panel 3 is turned upwards, and the detection device is restored to a flat plate state;

after the flat posture is changed into the wheelchair posture, the air pressure in the central sealing cylinder is further increased, the sequence spring 46 is compressed, the extrusion valve 45 slides along the first communication chamber 44, the air pressure in the balance chamber 43 is increased, further, the air pressure in the lifting cylinder 42 is increased, the lifting arm 47 slides down along the lifting cylinder 42, the roller 48 starts to contact the ground and jack up the whole device, and the whole device can move freely; conversely, when the starting knob 517 is rotated reversely, the hydraulic device 52 drives the pressurizing plate 54 to press down, the air pressure of the central sealed cabin 51 is reduced, the lifting arm 47 is pushed back into the lifting cabin, and the whole device cannot move;

while there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A health detection device, characterized by: comprises a first panel (1), a second panel (2) which is rotatably connected with the first panel (1), a third panel (3) which is rotatably connected with the second panel (2), a movement device (4) which is arranged at the lower side of the second panel (2), a starting device (5) which is arranged at the second panel (2) and a detection device (6) which is arranged at the first panel (1); the starting device (5) comprises a central sealed cabin (51) arranged in the second panel (2), a hydraulic device (52) fixedly connected to the bottom of the central sealed cabin (51), a hydraulic arm (53) fixedly connected to the hydraulic device (52), a pressurizing plate (54) fixedly connected to the hydraulic arm (53), a first rotating sleeve (55) fixedly connected to the first panel (1), a first rotating shaft (56) fixedly connected to the second panel (2) and rotatably connected to the first rotating sleeve (55), a first starting cabin (57) arranged on the second panel (2), a starting valve (58) slidably connected to the first starting cabin (57), a second starting cabin (59) arranged on the second panel (2), a third communicating cabin (510) communicating the first starting cabin (57) with the second starting cabin (59), a plurality of storage cabins (511) arranged in front of the second panel (2), a plurality of hinged arms (511) fixedly connected with the storage cabins (512), a support angle (513) rotatably connected to the storage cabins (514), a second supporting angle (515) connected to the second supporting cylinder (515), and a second supporting arm (515) connected to the second supporting cylinder (515), and a second supporting cylinder (515) connected to the second supporting cylinder (512), the hinge mechanism comprises a hinge column (516) which is fixedly connected to the first panel (1) and is rotatably connected to the hinge arm (515), a starting knob (517) which is fixedly connected to the rotating shaft, a starting gear (518) which is fixedly connected to the starting knob (517), an unlocking sliding groove (519) which is arranged on the second panel (2), a limit pin (521) which is slidably connected to the unlocking sliding groove (519), a limit rack which is fixedly connected to the limit pin (521), a limit caliper (523) which is fixedly connected to the first panel (1), a limit groove (524) which is arranged on the limit caliper (523), a return spring (525) which is arranged on one side of the limit pin (521), a fixing groove (526) which is arranged on the second panel (2), a second rotating sleeve (527) which is fixedly connected to the second panel (2) and a second rotating shaft (528) which is fixedly connected to the third panel (3); the limiting rack is meshed with the starting gear (518);

the moving device (4) comprises a plurality of supporting legs (41) fixedly connected to the second panel (2), a lifting barrel (42) arranged on the supporting legs (41), a balance bin (43) arranged on the second panel (2), a first communicating bin (44) communicated with the balance bin (43) and the central sealing bin (51), a squeezing valve (45) slidably connected to the first communicating bin (44), a sequence spring (46) arranged on the rear side of the squeezing valve (45), a lifting arm (47) slidably connected to the lifting barrel (42), a roller (48) rotatably connected to the lifting arm (47) and a second communicating bin (49) communicated with the lifting barrel (42) and the balance bin (43);

the detection device (6) comprises a spherical bulge (11) fixedly connected to the first panel (1), a monitoring panel (12) fixedly connected to the spherical bulge (11), a spherical cover plate (13) rotatably connected to the spherical bulge (11), a temperature sensor (14) fixedly connected to the spherical cover plate (13) and a blood pressure measuring device (15) arranged on the side edge of the first panel (1);

the blood pressure measuring device (15) comprises a storage box (16) arranged on the first panel (1), a sealing cover plate (17) rotatably connected to the storage box (16), a first rotary column (18) rotatably connected to the storage box (16), a cross beam (19) fixedly connected to the first rotary column (18), a second rotary column (110) fixedly connected to the cross beam (19), a rotary table (111) rotatably connected to the second rotary column (110), a measuring arm sleeve (112) sleeved on the rotary table (111) and a connecting air pipe (113) connected to the measuring arm sleeve (112) and the rotary table (111);

a medicine containing mechanism (114) is arranged on the side edge of the second panel (2);

when a patient needs to be transferred, a starting knob (517) is rotated, the starting knob (517) drives a starting gear (518) to rotate, under the meshing action of the gears, a limiting rack (522) rises to drive a limiting pin (521) to rise, the limiting pin (521) exits from a limiting groove (524), meanwhile, a hydraulic device (52) is started, a hydraulic arm (53) drives a pressurizing plate (54) to ascend, air pressure in a central sealing groove increases, air pressure in a first starting bin (57) increases to drive a starting valve (58) to move outwards and generate extrusion force on the lower portion of a first panel (1), the first panel (1) rises upwards, a first supporting cylinder (513) drives a second supporting cylinder (514) to exit from a containing bin (511), the tail end of the starting valve (58) passes through a third communicating bin (510), air pressure in the first starting bin (57) is transmitted to a second starting bin (59) to drive the second supporting cylinder (514) to slide outwards along the first supporting cylinder (513), the hinged column (515) and the hinged arm (516) and rotates around a second hinged arm (528) to detect the posture of the whole flat panel (516) which is changed into a reverse rotation posture; when the knob (517) is started by reverse rotation, the first panel (1) is turned downwards, the third panel (3) is turned upwards, and the detection equipment is restored to a flat plate state;

after the flat posture is changed into the wheelchair posture, the air pressure in the central sealing cylinder is further increased, the sequence spring (46) is compressed, the extrusion valve (45) slides along the first communication bin (44), the air pressure in the balance bin (43) is increased, the air pressure in the lifting cylinder (42) is increased, the lifting arm (47) slides downwards along the lifting cylinder (42), the roller (48) starts to contact the ground and jacks up the whole device, and the whole device can move freely; conversely, when the starting knob (517) is rotated reversely, the hydraulic device (52) drives the pressurizing plate (54) to press down, the air pressure of the central sealing bin (51) is reduced, the lifting arm (47) is pushed back into the lifting bin, and the whole device cannot move.