阅读说明：本技术 一种便携式自动化设备维修平台 (Portable automatic equipment maintenance platform ) 是由 李赛 于 2021-07-19 设计创作，主要内容包括：本发明涉及设备检修平台技术领域,特别涉及一种便携式自动化设备维修平台,包括底板和升降平台,底板的下表面四角均固定安装有行走轮,底板的上表面中间位置开设有凹槽,凹槽的内部均匀转动安装有气缸,且气缸的上端与升降平台的下表面相转动安装,通过气缸对升降平台进行升降,且控制板位于升降平台上,方便单人独自控制,无需多人合作,通过在升降平台上转动安装有工具板,在进行维修时,便于通过工具板对零部件或工具进行收纳,方便随手拿取,便于进行使用,且在进行收纳时,使得气缸折叠在凹槽的内部,便于进行收纳,且降低本发明的整体高度,通过安装行走轮和支撑杆,增加在携带时的便利性和在固定时的稳定性。(The invention relates to the technical field of equipment maintenance platforms, in particular to a portable automatic equipment maintenance platform, which comprises a bottom plate and a lifting platform, wherein four corners of the lower surface of the bottom plate are fixedly provided with walking wheels, the middle position of the upper surface of the bottom plate is provided with a groove, an air cylinder is uniformly and rotatably arranged in the groove, the upper end of the air cylinder is rotatably arranged on the lower surface of the lifting platform, the lifting platform is lifted through the air cylinder, a control panel is positioned on the lifting platform, so that the lifting platform is conveniently and independently controlled by a single person without cooperation of a plurality of persons, a tool plate is rotatably arranged on the lifting platform, when in maintenance, parts or tools are conveniently stored through the tool plate, the air cylinder is conveniently taken at will and used, and when in storage, the air cylinder is folded in the groove, so that the storage is convenient, the integral height of the portable automatic equipment maintenance platform is reduced, and by arranging the walking wheels and supporting rods, the convenience when carrying and the stability when fixing are increased.)

1. The utility model provides a portable automation equipment maintenance platform, includes bottom plate (1) and lift platform (2), its characterized in that: the four corners of the lower surface of the bottom plate (1) are fixedly provided with walking wheels (3), the walking wheels (3) are driven by a brushless motor, two ends of two sides of the bottom plate (1) are fixedly provided with fixing lugs (4), a supporting rod (5) is connected on the fixing lug (4) in a threaded manner, a threaded hole (6) matched with the supporting rod (5) is formed on the fixing lug (4), and the supporting rod (5) is connected with the inner part of the threaded hole (6) in a threaded way, a traction plate (7) is fixedly arranged in the middle of one side of the bottom plate (1), a groove (8) is formed in the middle of the upper surface of the bottom plate (1), a cylinder (9) is uniformly and rotatably arranged in the groove (8), and the upper end of the cylinder (9) is rotatably arranged with the lower surface of the lifting platform (2), and a control plate (10) is fixedly arranged on one side of the middle position of the upper surface of the lifting platform (2).

2. The portable automation device servicing platform of claim 1, wherein: bottom plate (1) with the length and the width of lift platform (2) are the same, just bottom plate (1) upper surface the both sides of the inside intermediate position of recess (8) are fixed mounting respectively have battery (11) and control box (12), battery (11) with the height of control box (12) all is less than the height of recess (8), cylinder (9) are electric cylinder, control panel (10) electric connection control box (12), just control box (12) electric connection cylinder (9) with walking wheel (3), battery (11) do respectively walking wheel (3) cylinder (9) control panel (10) with control box (12) power supply.

3. The portable automation device servicing platform of claim 1, wherein: bracing piece (5) adopt the threaded rod to make, just the lower extreme of bracing piece (5) is rotated and is installed callus on the sole (13), the upper end fixed mounting of bracing piece (5) has rotation handle (14), callus on the sole (13) with rotation handle (14) are located respectively the upper end and the lower extreme both sides of fixed ear (4), just the length of bracing piece (5) is greater than fixed ear (4) upper surface arrives height between walking wheel (3) lower extreme.

4. The portable automation device servicing platform of claim 1, wherein: the number of the cylinders (9) is three, the cylinders (9) are distributed in the groove (8) in an isosceles triangle structure, two sides in the groove (8) are respectively and fixedly provided with a fixed seat (15), and the fixed seats (15) are respectively positioned in the middle of one side in the groove (8) and at the two ends of the other side in the groove (8), the lower end of the cylinder (9) is fixedly provided with a rotating part (16), the cylinder (9) is rotatably arranged on the fixed seat (15) through the rotating part (16), a pin hole (17) is arranged on one side of the fixed seat (15), a pin rod (18) is inserted in the pin hole (17), a placing groove (19) is formed in one side of the lower surface of the groove (8), and the length of the placing groove (19) is the same as that of the pin rod (18).

5. The portable automation device servicing platform of claim 1, wherein: the upper end fixed mounting of cylinder (9) has T type piece (20), just the upper end of T type piece (20) is rotated and is installed U template (21), the upper end fixed mounting of U template (21) has slider (22), slider (22) are T type structure, just spout (23) have evenly been seted up to the lower surface of lift platform (2), slider (22) slip joint is in the inside of spout (23), just joint groove (24) have been seted up respectively at the inside both ends of spout (23), the width in joint groove (24) with the width of slider (22) is the same.

6. The portable automation device servicing platform of claim 1, wherein: anti-skidding line (25) have evenly been seted up to the upper surface intermediate position of lift platform (2), just lift platform (2) both ends in both sides have seted up respectively groove (26).

7. The portable automation device servicing platform of claim 1, wherein: concave groove (27) have been seted up respectively to the upper surface both sides of lift platform (2), just inside one side fixed mounting of concave groove (27) has axostylus axostyle (28), backup pad (29) are all installed in the rotation in the both ends of axostylus axostyle (28), the opposite side of backup pad (29) is rotated and is installed instrument board (30), just the thickness of instrument board (30) with the height of concave groove (27) is the same.

8. The portable automation device servicing platform of claim 7, wherein: one side of the tool plate (30) is uniformly and fixedly provided with a sailcloth bag (31), the opening of the sailcloth bag (31) is sealed by a zipper, a notch (32) is formed in the middle of the lower surface of the concave groove (27), one side of the tool plate (30) is clamped with the notch (32), and a pull groove (33) is formed in the middle of one side of the tool plate (30).

Technical Field

The invention relates to the technical field of equipment maintenance platforms, in particular to a portable automatic equipment maintenance platform.

Background

The automation technology is widely applied to the aspects of industry, agriculture, military, scientific research, transportation, commerce, medical treatment, service, families and the like, can liberate people from heavy physical labor, partial mental labor and severe and dangerous working environments, can expand the organ functions of people, greatly improves the labor productivity, enhances the capability of human beings to know the world and transform the world, is a high-tech company specially engaged in the research, development, production and sale of intelligent automatic control, digitization and networking controllers and sensors, and can meet the individual requirements of numerous users to the greatest extent by virtue of numerous functional modules and a perfect embedded solution.

In the use of automation equipment, when automation equipment breaks down, need timely maintenance, and some automation equipment fixing position are higher, need use the maintenance platform, maintenance person carries on the maintenance platform and rises to automation equipment trouble area and maintains, and then need the maintenance platform to have raising and lowering functions, and present maintenance platform is when going up and down, mostly adopt to cut formula crane and go up and down, but when descending, it is great to cut formula crane occupation space, make the whole height of maintenance platform when accomodating higher, be not convenient for accomodate and carry, the portability is relatively poor.

When the existing maintenance platform is used, the function is single, the structure of the automatic equipment is complex, parts such as screws, bolts or springs in the parts are precise, tools needed to be used are various during maintenance, the existing maintenance platform is inconvenient to place various precise parts and maintenance tools when in use, and when tools are needed, maintenance personnel need to repeatedly maintain the platform up and down or need assistance of auxiliary personnel, the maintenance platform is inconvenient to use, and the maintenance speed is influenced.

Disclosure of Invention

The invention aims to provide a portable automatic equipment maintenance platform, which solves the problems that the portable automatic equipment maintenance platform in the background art occupies a large space during storage, is inconvenient to store and carry, is inconvenient to place precise parts and tools and is inconvenient for a single person to use during use.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a portable automation equipment maintenance platform, includes bottom plate and lift platform, the equal fixed mounting in lower surface four corners of bottom plate has the walking wheel, just the walking wheel adopts brushless motor to drive, the equal fixed mounting in both ends of bottom plate both sides has fixed ear, just threaded connection has the bracing piece on the fixed ear, set up on the fixed ear with bracing piece assorted screw hole, just bracing piece threaded connection is in the inside of screw hole, one side intermediate position fixed mounting of bottom plate has the traction plate, the upper surface intermediate position of bottom plate is seted up flutedly, the inside of recess is evenly rotated and is installed the cylinder, just the upper end of cylinder with lift platform's lower surface rotates the installation mutually, one side fixed mounting of lift platform's upper surface intermediate position has the control panel.

Preferably, in order to facilitate folding, the lifting platform covers the bottom plate and control the folding is characterized in that both sides have the bottom plate and control box, wherein a storage batteries and a control box, a storage batteries and a control boxes are fixedly arranged at two sides, and a storage batteries and a control boxes are respectively, the storage batteries, and a control boxes, the storage batteries, and a control boxes are respectively, and a control boxes, and a control box, and a storage battery, and a control box, the storage battery is respectively, and a control box, the storage battery is electric cylinder, and a control box, the storage battery is electric cylinder, and a control box, and a.

Preferably, when fixing, through it is right to rotate the handle the bracing piece rotates, and is convenient the callus on the sole moves down, improves the stability when using, the bracing piece adopts the threaded rod to make, just the lower extreme of bracing piece rotates installs the callus on the sole, the upper end fixed mounting of bracing piece has the rotation handle, the callus on the sole with it is located respectively to rotate the handle the upper end and the lower extreme both sides of fixed ear, just the length of bracing piece is greater than fixed ear upper surface arrives height between the walking wheel lower extreme.

Preferably, in order to increase the stability of the lifting platform and facilitate the installation of the lifting platform, the number of the cylinders is three, the cylinders are distributed in an isosceles triangle structure in the groove, fixing seats are respectively and fixedly installed on two sides in the groove and are respectively located at the middle position of one side in the groove and two ends of the other side in the groove, a rotating member is fixedly installed at the lower end of the cylinder, the cylinder is rotatably installed on the fixing seat through the rotating member, a pin hole is formed in one side of the fixing seat, a pin rod is inserted into the pin hole, a placing groove is formed in one side of the lower surface of the groove, the length of the placing groove is the same as that of the pin rod, the pin rod is conveniently placed, and when the cylinder is perpendicular to the bottom plate, the pin rod is conveniently used for limiting the cylinder, avoid the cylinder rotates, improves the stability when using.

Preferably, for the convenience of the upper end of cylinder with lift platform carries out sliding connection, the upper end fixed mounting of cylinder has T type piece, just the upper end of T type piece is rotated and is installed the U template, the upper end fixed mounting of U template has the slider, the slider is T type structure, just the spout has evenly been seted up to lift platform's lower surface, the slider slip joint is in the inside of spout, just the joint groove has been seted up respectively at the inside both ends of spout, the width in joint groove with the width of slider is the same, and then works as the cylinder perpendicular or parallel with when the upper surface of bottom plate, the upper end joint of slider is in the inside in joint groove avoids lift platform is in carry out lateral shifting on the slider, improves the stability when using.

Preferably, maintenance personnel can stand on the upper surface of the lifting platform conveniently and can lift the lifting platform conveniently, anti-skid grains are uniformly arranged in the middle of the upper surface of the lifting platform, and the two ends of the two sides of the lifting platform are respectively provided with a handle groove.

Preferably, in order to facilitate the storage of external tools and parts, concave grooves are respectively formed in two sides of the upper surface of the lifting platform, a shaft rod is fixedly mounted on one side of the inner portion of each concave groove, supporting plates are rotatably mounted at two ends of the shaft rod, tool plates are rotatably mounted on the other sides of the supporting plates, and the thickness of each tool plate is equal to the height of each concave groove.

Preferably, in order to facilitate the storage of external tools and parts and avoid the sprinkling, a canvas bag is uniformly and fixedly mounted on one side of the tool plate, the opening of the canvas bag is sealed by a zipper, a notch is formed in the middle position of the lower surface of the concave groove, one side of the tool plate is clamped with the notch, and a pull groove is formed in the middle position of one side of the tool plate.

The invention has the technical effects and advantages that:

1. the lifting platform is rotatably provided with the air cylinder, the lifting platform is lifted through the air cylinder, the control panel is positioned on the lifting platform, and when the lifting platform is lifted, the lifting platform is conveniently controlled by a single person independently, so that the lifting platform can be used by the single person without cooperation of multiple persons.

2. According to the invention, the tool plate is rotatably arranged on the lifting platform, so that when maintenance is carried out, parts or tools can be conveniently stored through the tool plate, and the lifting platform is convenient to take and use.

3. The air cylinder is rotatably arranged, and when the air cylinder is stored, the air cylinder is folded in the groove, so that the storage is convenient, the overall height of the air cylinder is reduced, and the air cylinder is convenient to carry.

4. The walking wheels and the supporting rods are arranged, so that the walking wheels and the supporting rods are convenient to move and fix, and the convenience in carrying and the stability in fixing are improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention in use.

Fig. 2 is a schematic view of the overall structure of the present invention during storage.

FIG. 3 is a schematic structural diagram of a base plate in the structure of the present invention.

Fig. 4 is a schematic structural view of a top plate in the structure of the present invention.

Fig. 5 is a schematic structural view of the bottom plate in the structure of the present invention when it is stored.

Fig. 6 is a perspective cross-sectional view of a top plate in the inventive structure.

In the figure: 1. a base plate; 2. a lifting platform; 3. a traveling wheel; 4. fixing the ear; 5. a support bar; 6. a threaded hole; 7. a traction plate; 8. a groove; 9. a cylinder; 10. a control panel; 11. a storage battery; 12. a control box; 13. a foot pad; 14. rotating the handle; 15. a fixed seat; 16. a rotating member; 17. a pin hole; 18. a pin rod; 19. a placement groove; 20. a T-shaped block; 21. a U-shaped plate; 22. a slider; 23. a chute; 24. a clamping groove; 25. anti-skid lines; 26. a handle groove; 27. a concave groove; 28. a shaft lever; 29. a support plate; 30. a tool plate; 31. a sailcloth bag; 32. a notch; 33. and (6) groove drawing.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a portable automatic equipment maintenance platform comprises a bottom plate 1 and a lifting platform 2, wherein four corners of the lower surface of the bottom plate 1 are fixedly provided with walking wheels 3, the walking wheels 3 are driven by a brushless motor, two ends of two sides of the bottom plate 1 are fixedly provided with fixing lugs 4, the fixing lugs 4 are in threaded connection with supporting rods 5, the fixing lugs 4 are provided with threaded holes 6 matched with the supporting rods 5, the supporting rods 5 are in threaded connection with the inner parts of the threaded holes 6, a traction plate 7 is fixedly arranged at the middle position of one side of the bottom plate 1, the middle position of the upper surface of the bottom plate 1 is provided with a groove 8, the inner part of the groove 8 is uniformly and rotatably provided with an air cylinder 9, the upper end of the air cylinder 9 is rotatably arranged with the lower surface of the lifting platform 2, one side of the middle position of the upper surface of the lifting platform 2 is fixedly provided with a control plate 10, when the platform is used, the walking wheels 3 are controlled to rotate or pass through the traction plate 7 by the control plate 10, the lifting platform 2 is moved to a proper position so that the lifting platform is convenient to carry, after the lifting platform is moved to the proper position, the supporting rod 5 is rotated through the rotating handle 14, the foot pad 13 is contacted with the ground, the bottom plate 1 is prevented from moving, the stability of the bottom plate 1 is improved, the air cylinder 9 is rotated, the air cylinder 9 is perpendicular to the bottom plate 1, the lifting platform 2 is clamped at the top end of the air cylinder 9 in a sliding mode, a maintenance worker stands on the lifting platform 2, the lifting platform 2 is lifted through the air cylinder 9, and the height of the lifting platform is convenient to control.

As a technical optimization scheme of the invention, as shown in fig. 4, the length and the width of the bottom plate 1 and the lifting platform 2 are the same, a storage battery 11 and a control box 12 are respectively and fixedly installed on two sides of the middle position inside the groove 8 on the upper surface of the bottom plate 1, the heights of the storage battery 11 and the control box 12 are both smaller than the height of the groove 8, the cylinder 9 is an electric cylinder, the control plate 10 is electrically connected with the control box 12, the control box 12 is electrically connected with the cylinder 9 and the travelling wheels 3, the storage battery 11 respectively supplies power to the travelling wheels 3, the cylinder 9, the control plate 10 and the control box 12, so that the lifting platform is convenient to move through the travelling wheels 3, the extending length of the cylinder 9 is convenient to control through the control plate 10, the height of the lifting platform 2 is convenient to adjust, and the lifting platform can be operated by a single person when lifting control is performed.

As a technical optimization scheme of the present invention, as shown in fig. 1, the support rod 5 is made of a threaded rod, the lower end of the support rod 5 is rotatably provided with a foot pad 13, the upper end of the support rod 5 is fixedly provided with a rotating handle 14, the foot pad 13 and the rotating handle 14 are respectively located at two sides of the upper end and the lower end of the fixed lug 4, and the length of the support rod 5 is greater than the height between the upper surface of the fixed lug 4 and the lower end of the traveling wheel 3, so that the stability of the present invention is improved by adjusting the height of the foot pad 13, and when the adjustment is performed, the support rod 5 is rotated by rotating the rotating handle 14, so that the foot pad 13 is in contact with the ground, thereby preventing the bottom plate 1 from moving, and improving the stability of the bottom plate 1.

As a technical optimization scheme of the present invention, as shown in fig. 4, the number of the cylinders 9 is three, the cylinders 9 are distributed in an isosceles triangle structure inside the groove 8, the two sides inside the groove 8 are respectively and fixedly provided with the fixing bases 15, the fixing bases 15 are respectively located at the middle position of one side inside the groove 8 and at the two ends of the other side inside the groove 8, the lower end of the cylinder 9 is fixedly provided with the rotating member 16, the cylinder 9 is rotatably mounted on the fixing base 15 through the rotating member 16, one side of the fixing base 15 is provided with the pin hole 17, the pin rod 18 is inserted into the pin hole 17, one side of the lower surface of the groove 8 is provided with the placing groove 19, the length of the placing groove 19 is the same as the length of the pin rod 18, so as to facilitate adjustment of the direction of the cylinder 9, facilitate lifting of the lifting platform 2 and convenient storage of the cylinder 9, facilitate folding, and through the pin rod 18, when the cylinder 9 is vertical, be convenient for carry on spacingly to cylinder 9, avoid cylinder 9 to rotate, and when cylinder 9 rotated, the lower extreme of cylinder 9 rotated on fixing base 15 through rotating piece 16, the mountain upper end of cylinder 9 rotated on U type piece 21 through T type piece 20, make cylinder 9 in the pivoted, make slider 22 remove in the inside of spout 23, and after cylinder 9 rotated to the vertical condition, peg graft pin 18 behind the pinhole 17 inside on fixing base 15, pin 18 spacing rotating piece 16, avoid rotating piece 16 and rotate on fixing base 15, and then guarantee the stability of cylinder 9 when vertical.

As a technical optimization scheme of the invention, as shown in fig. 4, a T-shaped block 20 is fixedly installed at the upper end of an air cylinder 9, a U-shaped plate 21 is rotatably installed at the upper end of the T-shaped block 20, a slider 22 is fixedly installed at the upper end of the U-shaped plate 21, the slider 22 is of a T-shaped structure, a chute 23 is uniformly formed in the lower surface of a lifting platform 2, the slider 22 is slidably clamped in the chute 23, clamping grooves 24 are respectively formed at two ends of the interior of the chute 23, the width of each clamping groove 24 is the same as that of the slider 22, when the air cylinder 9 is vertical to or horizontal to a base plate 1, the slider 22 is moved to one end of the chute 23, and the lifting platform 2 is pressed, so that the upper end of the slider 22 is clamped in the clamping groove 24, the stability of the lifting platform 2 during lifting or storage is improved, when the air cylinder 9 is vertical, the slider 22 is clamped in the clamping groove 24 at one end of the chute 23, when the air cylinder 9 is horizontal, inside the joint groove 24 of the slider 22 joint at the spout 23 other end, avoid lift platform 2 to carry out horizontal migration along slider 22, improve lift platform 2's stability.

As a technical optimization scheme of the invention, as shown in fig. 2, anti-skid grains 25 are uniformly arranged at the middle position of the upper surface of the lifting platform 2, and handle grooves 26 are respectively arranged at the two ends of the lifting platform 2, so that the lifting platform 2 can be conveniently lifted by the handle grooves 26, and the anti-skid grains 25 are arranged, so that the anti-skid effect of personnel on the lifting platform 2 is improved.

As a technical optimization scheme of the present invention, as shown in fig. 1, two sides of the upper surface of the lifting platform 2 are respectively provided with a concave groove 27, one side inside the concave groove 27 is fixedly provided with a shaft rod 28, two ends of the shaft rod 28 are respectively rotatably provided with a support plate 29, the other side of the support plate 29 is rotatably provided with a tool plate 30, and the thickness of the tool plate 30 is the same as the height of the concave groove 27, so that the tool plate 30 can be conveniently folded and stored, and the portability during carrying is improved.

As a technical optimization scheme of the invention, as shown in fig. 1, a canvas bag 31 is uniformly and fixedly installed on one side of a tool plate 30, an opening of the canvas bag 31 is sealed by adopting a zipper, a notch 32 is formed in the middle of the lower surface of a concave groove 27, one side of the tool plate 30 is clamped with the notch 32, and a pull groove 33 is formed in the middle of one side of the tool plate 30, so that external tools and parts can be conveniently placed, and mess can be avoided.

In the first embodiment, when the present invention is used, the traveling wheels 3 are controlled by the control board 10 to rotate or the traction plate 7 is used to pull the present invention, so that the present invention is moved to a proper position, so that the present invention is convenient to carry, and after the present invention is moved to a proper position, the support rod 5 is rotated by the rotating handle 14, so that the foot pad 13 is in contact with the ground, so that the bottom plate 1 is prevented from moving, and the stability of the bottom plate 1 is improved, the lifting platform 2 is lifted by the groove 26, and when the lifting platform 2 is lifted, the slide block 22 is moved downward from the inside of the clamping groove 24 due to the gravity, and moved to the inside of the sliding groove 23, and the lifting platform 2 is continuously lifted, so that the slide block 22 slides in the inside of the sliding groove 23, and the cylinder 9 is rotated along the fixed seat 15 in the vertical direction, when the cylinder 9 is perpendicular to the bottom plate 1, the pin rod 18 is taken out from the inside of the placing groove 19, and peg graft pin 18 in the inside of pinhole 17 for pin 18 limits cylinder 9, avoids cylinder 9 to rotate on fixing base 15 through the rotation piece 16 of lower extreme, and when cylinder 9 was perpendicular, slider 22 joint was inside the joint groove 24 of the 23 other ends of spout, avoided lift platform 2 to carry out horizontal migration along slider 22, improved lift platform 2's stability.

Maintenance personal moves to lift platform 2 on, and anti-skidding line 25 has been seted up on lift platform 2, play anti-skidding effect, pull up instrument board 30 through kerve 33, make instrument board 30 rotate along the one end of backup pad 29, and rotate to the tilt state after, with the inside of instrument board 30 one end joint at breach 32, make instrument board 30 keep the tilt state, and then be convenient for take along with the instrument or the spare part of sailcloth bag 31 inside, and through the long end that stretches out of control panel 10 control cylinder 9, be convenient for highly adjust lift platform 2, make things convenient for maintenance personal to maintain the automation equipment of eminence, and when going up and down, it is single can operate, facilitate the use.

In the second embodiment, when the present invention is stored and carried, the tool plate 30 is pulled by the pull groove 33, the tool plate 30 is rotated, the tool plate 30 is parallel to the lifting platform 2, the support plate 29 is rotated, the tool plate 30 is lowered into the concave groove 27, the sailcloth bag 31 is in contact with the lower surface of the concave groove 27, the tool plate 30 is stored, the sailcloth bag 31 is covered, tools and parts are stored, the cylinder 9 is closed by the control plate 10, the cylinder 9 is lowered to the lowest state, a person gets off the lifting platform 2, pulls the pin rod 18 out of the pin hole 17 and places the pin rod in the placement groove 19, the pin rod 18 is stored, the lifting platform 2 is lifted by the groove 26, the slide block 22 is separated from the clamping groove 24 at one end in the chute 23, and pushes the cylinder 9, the air cylinder 9 is inclined on the fixed seat 15 through the rotating part 16, the sliding block 22 slides in the sliding groove 23, the T-shaped block 20 at one end of the air cylinder 9 rotates in the U-shaped block 21, the air cylinder 9 is accommodated in the groove 8 when the air cylinder 9 rotates to be in a horizontal state, the sliding block 22 is clamped in the clamping groove 24 at the other end of the sliding groove 23, the lifting platform 2 is prevented from moving along the sliding block 22, the lower surface of the lifting platform 2 is attached to the upper surface of the bottom plate 1 when the sliding block 22 is clamped in the clamping groove 24, the height of the lifting platform is effectively reduced, the supporting rod 5 is rotated through the rotating handle 14, the foot pad 13 is lifted, the lower surface of the foot pad 13 is enabled to be horizontal to the lower surface of the bottom plate 1, the lifting platform is convenient to move, and the lifting platform is enabled to move through the travelling wheels 3 or the traction plate 7, the portability of the present invention is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.