CN115520255A

CN115520255A - Multifunctional multipurpose rotation transportation hoisting device and using method thereof

Info

Publication number: CN115520255A
Application number: CN202211263821.5A
Authority: CN
Inventors: 柯明; 陶沅凯; 刘方寅; 左炳鹏
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2022-12-27

Abstract

The invention discloses a multifunctional multipurpose hoisting device for rotational transportation and a use method thereof, and relates to the technical field of steel rolling production.

Description

Multifunctional multipurpose rotation transportation hoisting device and using method thereof

Technical Field

The invention relates to the technical field of steel rolling production, in particular to a multifunctional multipurpose hoisting device for rotational transportation and a using method thereof.

Background

At present, the large butterfly valve for the soot pipeline of the high-speed wire heating furnace is replaced, and the design technical conditions are as follows: the butterfly valves of the soot pipelines of the heating furnace are arranged in a narrow space in a factory building, and a large gas butterfly valve is difficult to replace in an environment without any hoisting points around the butterfly valve, and the butterfly valve cannot be transported to a replacement point by using a hydraulic forklift in the narrow space, so that the butterfly valve is difficult to transport. Meanwhile, because the surrounding environment space is insufficient, the gas butterfly valve which is more than DN1000 cannot be transversely transported.

Based on the above, the invention designs a multifunctional multipurpose rotational transportation lifting device and a using method thereof, so as to solve the above mentioned problems.

Disclosure of Invention

The invention aims to provide a multifunctional multipurpose hoisting device for rotational transportation and a using method thereof, and aims to solve the problem that a large-scale gas butterfly valve cannot be hoisted and transported in a narrow space.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a multifunctional multipurpose hoisting device for rotational transportation comprises a multifunctional hoisting mechanism, wherein the multifunctional hoisting mechanism comprises a moving assembly, a fixed frame is arranged inside the moving assembly, the fixed frame comprises four groups of hollow upright columns, and a plurality of groups of connecting rods are connected among the four groups of hollow upright columns;

the movable assembly comprises a bottom frame, directional wheels are installed at four corners of the bottom frame, triangular reinforcing ribs are installed at four corners of the inner side of the bottom frame, and four groups of triangular reinforcing ribs are arranged in the middle of the bottom frame in a penetrating mode and provided with fixing holes.

Based on the technical characteristics, the multifunctional multipurpose rotary transportation hoisting device designed by the scheme is used for carrying and hoisting the butterfly valve of which the pipe diameter of the coal smoke pipeline is greater than DN450 and the distance from the ground is greater than 0.5 m. The safety protection frame is used for preventing the butterfly valve from toppling over in the carrying process, the guardrails on the two sides are fixed with the fixed frame through the first pin hole and the second pin hole, the safety protection frame can be disassembled by sequentially pulling out the second pin hole and the first pin hole after the butterfly valve is carried to a use point, the maximum hoisting height of the hoisting crossbeam in the scheme is two meters, the safety protection frame is suitable for most construction environments, and the first hoisting beam and the second hoisting beam arranged on the two sides of the hoisting crossbeam are fixed with the fixed frame through the first pin hole and the second pin hole, so that the movable assembly can install and disassemble the safety protection frame or the hoisting frame according to the use condition;

through the technical means, the problem that a large butterfly valve cannot be transported by using a common transporting tool due to the influence of the surrounding environment in a narrow space is solved, the butterfly valve can be vertically placed by the technology, the use space required by transportation is reduced, the overhauling problem of the large butterfly valve in a non-hoisting environment is solved, the special tool integrates transportation and hoisting, the overhauling problem of butterfly valve replacement is solved, and the time for replacing the butterfly valve is shortened.

Preferably, in the multifunctional multipurpose hoisting device for rotational transportation, rod grooves are formed in the tops of the four groups of hollow stand columns, fixing screws are connected to the bottoms of the four groups of hollow stand columns, the fixing screws are matched with the fixing hole structures, and fixing nuts are connected to the outer portions of the fixing screws in a threaded mode.

Based on the technical characteristics, the bottom frame can be installed and detached according to the using condition through the fixing holes, the fixing screw rods and the fixing nut components.

Preferably, the hoisting device for multi-functional multipurpose rotation transportation is arranged in, the hollow stand column is provided with first pinholes through penetrating both sides of one end close to the rod groove, and is two sets of first bolts are arranged between the first pinholes, the first bolts are matched with the first pinhole structure, and one end of the first bolts is further connected with a second bolt.

Based on above-mentioned technical characteristics, through first bolt, second pinhole, first pinhole and second bolt structure, fixed frame can connect fixedly to spacing safety protection frame or the hoisting support of connecting at fixed frame top according to in service behavior, simultaneously, can also effectually promote the stability of being connected between fixed frame and safety protection frame or the hoisting support.

Preferably, in the multifunctional multipurpose wheel-type transportation lifting device, a safety protection frame for preventing toppling or a lifting support for lifting is arranged at the top of the fixed frame.

Based on above-mentioned technical characteristics, through at fixed frame's top installation hoisting support, can play the effect of preventing empting to the butterfly valve of transport, through at fixed frame's top installation hoisting support, can be in the work of hoisting and carrying large-scale butterfly valve of narrow and small space.

Preferably, in the multifunctional multipurpose hoisting device for rotational transportation, the safety protection frame comprises a first protective guard, and a second protective guard is mounted on one side of the first protective guard.

Based on the technical characteristics, the situation that the butterfly valve topples over in the carrying process can be effectively prevented by additionally arranging the first guard rail and the second guard rail on the two sides of the top of the moving assembly.

Preferably, the hoisting support comprises a first hoisting beam, a second hoisting beam is arranged on one side of the first hoisting beam, and a hoisting beam is arranged between the second hoisting beam and the top of the first hoisting beam.

Based on above-mentioned technical characteristic, the highest hoist and mount height of hoist and mount crossbeam of installation in this scheme is two meters, the construction environment of applicable most.

Preferably, in the multifunctional multipurpose hoisting device for rotational transportation, second pin holes are formed in two sides of the bottoms of the first hoisting beam, the second hoisting beam, the first guard rail and the second guard rail, and the second pin holes and the first pin holes have the same structure.

Based on the technical characteristics, the safety protection frame or the hoisting bracket which is in limit connection with the top of the fixed frame can be fixedly connected through the second pin hole structure.

Preferably, the hoisting device for the multifunctional multipurpose wheel-type transportation is arranged, a hoisting ring for fixing the chain block is arranged at the bottom of the middle part of the hoisting beam, and two groups of limiting parts are arranged at two ends of the hoisting beam.

Based on the technical characteristics, the chain block for hoisting the large butterfly valve is conveniently and fixedly arranged in the middle of the hoisting beam through the hoisting ring additionally arranged on the hoisting beam.

Preferably, the hoisting device is arranged in multi-functional multipurpose rotation transportation, spacing part includes L type link plate, spacing post is installed to one side of L type link plate, two sets of spacing grooves have all been seted up at the both ends of hoist and mount crossbeam, spacing groove and spacing post structure phase-match, the outside of spacing post still cup joints and is connected with compression spring.

Based on above-mentioned technical characteristics, through cup jointing the compression spring who connects in spacing post outside, the hoist and mount crossbeam can be according to service behavior to the L type link plate at both ends adjust and reset telescopically.

The application method of the rotation transportation hoisting device comprises the following steps:

s1: the four groups of fixing screws additionally arranged at the bottoms of the four groups of hollow upright posts are respectively inserted and connected into the fixing holes formed in the middle parts of the four groups of triangular reinforcing ribs, and then the four groups of fixing nuts are respectively fixed at the bottoms of the four groups of fixing screws through bolts, so that the fixing frame can be fixedly connected to the top of the bottom frame.

S2: through the bracing piece ann with first rail guard and second rail guard bottom insert in the pole groove of hollow stand, then with first bolt through connection in the first pinhole of hollow stand and the second pinhole that first rail guard, second rail guard bottom were seted up, immediately with second bolt ann insert connection in the one end of first bolt, can be used for preventing the top of toppling over safety protection frame fixed connection at removal subassembly.

S3: through the bracing piece ann with first hoist and mount roof beam and second hoist and mount roof beam bottom insert the connection in the pole groove of hollow column, then with first bolt through connection in the first pinhole of hollow column and the second pinhole that first hoist and mount roof beam, second hoist and mount roof beam bottom were seted up, immediately with the one end of second bolt ann plug-in connection at first bolt, realize the top at the removal subassembly with the hoisting support fixed connection who is used for the hoist and mount.

S4: through cup jointing the compression spring who connects in spacing post outside, the hoist and mount crossbeam can stretch out and draw back and adjust and reset according to the L type link plate that the installation to both ends set up, through the two sets of L type link plates at pulling hoist and mount crossbeam both ends, can settle the hoist and mount crossbeam between the top of first hoist and mount roof beam and second hoist and mount roof beam, when loosening two sets of L type link plates at hoist and mount crossbeam both ends, can reset L type link plate under compression spring's effect, make L type link plate hang the top of detaining at first hoist and mount roof beam and second hoist and mount roof beam, with this promote the stability of connecting between the three, and hoisting support can also install and dismantle work to the hoist and mount crossbeam according to the in service behavior.

Compared with the prior art, the invention has the beneficial effects that:

1. the multifunctional multipurpose hoisting device for the rotational transportation is novel in structural design, the butterfly valve can be prevented from toppling over in the transportation process through the structure of the safety protection frame, the safety protection frame is fixed with the fixed frame through the first pin hole and the second pin, after the butterfly valve is transported to a use point, the safety protection frame can be disassembled by sequentially pulling out the second pin hole and the first pin hole, the maximum hoisting height of the hoisting crossbeam in the scheme is two meters, the multifunctional hoisting device is suitable for most construction environments, and the first hoisting beam and the second hoisting beam which are arranged on two sides of the hoisting crossbeam are fixed with the fixed frame through the first pin hole and the second pin hole, so that the movable assembly can mount and dismount the safety protection frame or the hoisting support according to the use condition;

2. through the technical means, the problem that a large butterfly valve cannot be transported by using a common transporting tool due to the influence of the surrounding environment in a narrow space is solved, the butterfly valve can be vertically placed by the technology, the use space required by transportation is reduced, the overhauling problem of the large butterfly valve in a non-hoisting environment is solved, the special tool integrates transportation and hoisting, the overhauling problem of butterfly valve replacement is solved, and the time for replacing the butterfly valve is shortened.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom frame structure of the present invention;

FIG. 3 is a schematic view of a fixing frame according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the safety protection frame of the present invention;

FIG. 6 is a schematic view of the construction of the hoisting support of the present invention;

fig. 7 is a schematic structural view of a limiting component of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a multifunctional hoisting mechanism; 2. a moving assembly; 3. a fixed frame; 4. a bottom frame; 5. a directional wheel; 6. a triangular reinforcing rib; 7. a fixing hole; 8. a hollow upright post; 9. a connecting rod; 10. a rod groove; 11. fixing the screw rod; 12. fixing a nut; 13. a first pin hole; 14. a first bolt; 15. a second bolt; 16. a safety protection frame; 17. hoisting a support; 18. a first guard rail; 19. a second guard rail; 20. a second pin hole; 21. a first hoisting beam; 22. a second hoisting beam; 23. hoisting the beam; 24. hoisting a ring; 25. a limiting component; 26. an L-shaped hanging plate; 27. a limiting column; 28. a limiting groove; 29. compressing the spring.

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. 1-3, a multifunctional multipurpose hoisting device for rotational transportation comprises a multifunctional hoisting mechanism 1, wherein the multifunctional hoisting mechanism 1 comprises a movable assembly 2, a fixed frame 3 is arranged inside the movable assembly 2, the movable assembly 2 comprises a bottom frame 4, four corners of the bottom frame 4 are respectively provided with a directional wheel 5, four corners of the inner side of the bottom frame 4 are respectively provided with a triangular reinforcing rib 6, the middle parts of the four groups of triangular reinforcing ribs 6 are respectively provided with a fixed hole 7 in a penetrating manner, the fixed frame 3 comprises four groups of hollow upright columns 8, and a plurality of groups of connecting rods 9 are connected between the four groups of hollow upright columns 8.

Referring to fig. 3-6, rod grooves 10 are formed in the tops of four groups of hollow columns 8, fixing screws 11 are connected to the bottoms of the four groups of hollow columns 8, the fixing screws 11 are structurally matched with fixing holes 7, fixing nuts 12 are further connected to the outsides of the fixing screws 11 in a threaded manner, the fixing holes 7, the fixing screws 11 and the fixing nuts 12 are used to enable the bottom frame 4 to perform mounting and dismounting operations on the fixing frame 3 according to use conditions, first pin holes 13 are formed in two sides of one end, close to the rod grooves 10, of each hollow column 8 in a penetrating manner, first bolts 14 are arranged between the two groups of first pin holes 13, the first bolts 14 are structurally matched with the first pin holes 13, one ends of the first bolts 14 are further connected with second bolts 15, and the fixing frame 3 can connect and fix a safety protection frame 16 or a hoisting support 17 which is connected to the top of the fixing frame 3 in a limiting manner according to use conditions through the structures of the first bolts 14, the second pin holes 20, the first pin holes 13 and the second bolts 15.

Referring to fig. 5-6, a safety protection frame 16 for preventing the butterfly valve from falling down is installed on the top of the fixed frame 3 or a lifting support 17 for lifting is provided, the lifting support 17 is installed on the top of the fixed frame 3, so that the butterfly valve can be prevented from falling down, the lifting support 17 is installed on the top of the fixed frame 3, so that the large butterfly valve can be lifted and carried in a narrow space, the safety protection frame 16 comprises a first protection fence 18, a second protection fence 19 is installed on one side of the first protection fence 18, and the butterfly valve can be effectively prevented from falling down during the carrying process by the first protection fence 18 and the second protection fence 19 additionally installed on the two sides of the top of the movable assembly 2.

Referring to fig. 6, the hoisting support 17 includes a first hoisting beam 21, a second hoisting beam 22 is disposed on one side of the first hoisting beam 21, a hoisting cross beam 23 is disposed between the second hoisting beam 22 and the top of the first hoisting beam 21, the highest hoisting height of the hoisting cross beam 23 installed in the scheme is two meters, which is applicable to most construction environments, the two sides of the bottom of the first hoisting beam 21, the second hoisting beam 22, the first guard rail 18 and the second guard rail 19 are respectively provided with a second pin hole 20, the second pin hole 20 has the same structure as the first pin hole 13, and the safety protection frame 16 or the hoisting support 17 connected to the top of the fixing frame 3 in a limiting manner can be connected and fixed through the second pin hole 20.

Referring to fig. 6-7, a hoisting ring 24 for fixing a chain block is installed at the bottom of the middle of a hoisting beam 23, two sets of limiting parts 25 are installed at both ends of the hoisting beam 23, the chain block for hoisting a large butterfly valve is conveniently and fixedly installed in the middle of the hoisting beam 23 by the aid of the hoisting ring 24 additionally installed on the hoisting beam 23, each limiting part 25 comprises an L-shaped hanging plate 26, a limiting column 27 is installed on one side of each L-shaped hanging plate 26, two sets of limiting grooves 28 are formed at both ends of the hoisting beam 23, the limiting grooves 28 are structurally matched with the limiting columns 27, compression springs 29 are further connected to the outside of the limiting columns 27 in a sleeved mode, and the hoisting beam 23 can perform telescopic adjustment and resetting on the L-shaped hanging plates 26 at both ends according to use conditions.

The invention also discloses a use method of the multifunctional multipurpose rotational transportation hoisting device, which specifically comprises the following steps:

s1: the fixing screws 11 additionally arranged at the bottoms of the four groups of hollow upright posts 8 are respectively inserted into the fixing holes 7 formed in the middle parts of the four groups of triangular reinforcing ribs 6, and then the four groups of fixing nuts 12 are respectively fixed at the bottoms of the four groups of fixing screws 11 by bolts, so that the fixing frame 3 can be fixedly connected to the top part of the bottom frame 4.

S2: the safety protection frame 16 for preventing falling can be fixedly connected to the top of the moving assembly 2 by inserting and connecting the support rods at the bottoms of the first guard rail 18 and the second guard rail 19 into the rod grooves 10 of the hollow upright 8, then inserting and connecting the first bolt 14 into the first pin hole 13 of the hollow upright 8 and the second pin holes 20 formed at the bottoms of the first guard rail 18 and the second guard rail 19, and then inserting and connecting the second bolt 15 at one end of the first bolt 14.

S3: the supporting rods at the bottoms of the first hoisting beam 21 and the second hoisting beam 22 are inserted into the rod groove 10 of the hollow upright post 8, then the first bolt 14 is connected in the first pin hole 13 of the hollow upright post 8 and the second pin hole 20 formed at the bottoms of the first hoisting beam 21 and the second hoisting beam 22 in a penetrating manner, and the second bolt 15 is inserted into one end of the first bolt 14, so that the hoisting support 17 for hoisting is fixedly connected to the top of the movable assembly 2.

S4: through the compression spring 29 of connecting in spacing post 27 outside cup jointing, hoist and mount crossbeam 23 can stretch out and draw back and adjust and reset according to the L type link plate 26 that the installation condition set up both ends, two sets of L type link plates 26 through pulling hoist and mount crossbeam 23 both ends, can settle hoist and mount crossbeam 23 between the top of first hoist and mount roof beam 21 and second hoist and mount roof beam 22, when two sets of L type link plates 26 of loosening hoist and mount crossbeam 23 both ends, can reset L type link plate 26 under compression spring 29's effect, make L type link plate 26 hang the top of detaining at first hoist and mount roof beam 21 and second hoist and mount roof beam 22, with this promote the stability of being connected between the three, and hoisting support 17 can also install and dismantle work hoisting crossbeam 23 according to the in service behavior.

The working principle is as follows: through the structure of the safety protection frame 16, the butterfly valve can be prevented from falling down in the carrying process, the safety protection frame 16 is fixed with the fixed frame 3 through the first pin hole 13 and the second pin hole 15, after the butterfly valve is carried to a use point, the second pin hole 15 and the first pin hole 13 are sequentially pulled out, so that the safety protection frame 16 can be detached, the highest lifting height of the lifting beam 23 in the scheme is two meters, the butterfly valve lifting frame is suitable for most construction environments, and the first lifting beam 21 and the second lifting beam 22 arranged on two sides of the lifting beam 23 are fixed with the fixed frame 3 through the first pin hole 13 and the second pin hole 15, so that the movable assembly 2 can mount and detach the safety protection frame 16 or the lifting frame 17 according to the use condition;

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a hoist device is transported in turn to multi-functional multipurpose, includes that multi-functional hoisting machine constructs (1), its characterized in that: the multifunctional hoisting mechanism (1) comprises a moving assembly (2), a fixed frame (3) is arranged inside the moving assembly (2), the fixed frame (3) comprises four groups of hollow upright columns (8), and a plurality of groups of connecting rods (9) are connected between the four groups of hollow upright columns (8);

remove subassembly (2) including bottom frame (4), directive wheel (5) are all installed in the bottom four corners of bottom frame (4), triangle strengthening rib (6), four groups are all installed in the inboard four corners of bottom frame (4) the middle part of triangle strengthening rib (6) has all run through and has seted up fixed orifices (7).

2. The multifunctional multipurpose hoisting device for rotational transportation according to claim 1, wherein: rod grooves (10) are formed in the tops of the four groups of hollow upright columns (8), fixing screw rods (11) are connected to the bottoms of the four groups of hollow upright columns (8), the fixing screw rods (11) are structurally matched with the fixing holes (7), and fixing nuts (12) are connected to the outer portions of the fixing screw rods (11) in a threaded mode.

3. The multifunctional multipurpose hoisting device for rotational transportation according to claim 2, wherein: the hollow upright post (8) is close to one end both sides of pole groove (10) and runs through and has seted up first pinhole (13), and is two sets of be provided with first bolt (14) between first pinhole (13), first bolt (14) and first pinhole (13) structure phase-match, the one end of first bolt (14) still is connected with second bolt (15).

4. The multifunctional multipurpose hoisting device for rotational transportation according to claim 1, wherein: the top of the fixed frame (3) is provided with a safety protection frame (16) for preventing toppling or a hoisting support (17) for hoisting.

5. The multifunctional multipurpose hoisting device for the rotational transportation according to claim 4, wherein the hoisting device comprises: the safety protection frame (16) comprises a first protective guard (18), and a second protective guard (19) is installed on one side of the first protective guard (18).

6. The multifunctional multipurpose hoisting device for the rotational transportation according to claim 4, wherein the hoisting device comprises: the hoisting support (17) comprises a first hoisting beam (21), a second hoisting beam (22) is arranged on one side of the first hoisting beam (21), and a hoisting cross beam (23) is arranged between the second hoisting beam (22) and the top of the first hoisting beam (21).

7. The multifunctional multipurpose hoisting device for the rotational transportation according to claim 6, wherein: and second pin holes (20) are formed in two sides of the bottoms of the first hoisting beam (21), the second hoisting beam (22), the first guard rail (18) and the second guard rail (19), and the second pin holes (20) and the first pin holes (13) have the same structure.

8. The multifunctional multipurpose hoisting device for rotational transportation according to claim 6, wherein: the middle bottom of hoist and mount crossbeam (23) is installed and is used for fixed chain block's hoist and mount ring (24), two sets of stop part (25) are all installed at the both ends of hoist and mount crossbeam (23).

9. The multifunctional multipurpose hoisting device for rotational transportation according to claim 8, wherein: spacing part (25) include L type link plate (26), spacing post (27) are installed to one side of L type link plate (26), two sets of spacing grooves (28) have all been seted up at the both ends of hoist and mount crossbeam (23), spacing groove (28) and spacing post (27) structure phase-match, the outside of spacing post (27) still cup joints and is connected with compression spring (29).

10. The multifunctional multipurpose rotational transportation lifting device as claimed in any one of claims 1 to 9, wherein: the application method of the rotation transportation hoisting device comprises the following steps:

s1: the fixing screw rods (11) additionally arranged at the bottoms of the four groups of hollow upright posts (8) are respectively inserted into the fixing holes (7) formed in the middle parts of the four groups of triangular reinforcing ribs (6), then the four groups of fixing nuts (12) are respectively fixed at the bottoms of the four groups of fixing screw rods (11) through bolts, and the fixing frame (3) can be fixedly connected to the top of the bottom frame (4);

s2: the supporting rods at the bottoms of the first protective guard (18) and the second protective guard (19) are inserted into the rod grooves (10) of the hollow upright posts (8), then the first bolt (14) is connected into a first pin hole (13) of the hollow upright posts (8), the first protective guard (18) and a second pin hole (20) formed in the bottom of the second protective guard (19) in a penetrating manner, the second bolt (15) is inserted into one end of the first bolt (14), and the safety protection frame (16) for preventing toppling can be fixedly connected to the top of the moving assembly (2);

s3: the support rods at the bottoms of the first hoisting beam (21) and the second hoisting beam (22) are inserted into the rod groove (10) of the hollow upright (8), then the first bolt (14) is connected in a first pin hole (13) of the hollow upright (8), a second pin hole (20) formed at the bottoms of the first hoisting beam (21) and the second hoisting beam (22) in a penetrating manner, and then the second bolt (15) is inserted into one end of the first bolt (14), so that the hoisting bracket (17) for hoisting is fixedly connected to the top of the movable assembly (2);

s4: through compression spring (29) of connecting cup jointing in spacing post (27) outside, hoist and mount crossbeam (23) can stretch out and draw back and adjust and reset according to the L type link plate (26) that the installation to both ends setting, through two sets of L type link plate (26) at pulling hoist and mount crossbeam (23) both ends, can settle hoist and mount crossbeam (23) between the top of first hoist and mount roof beam (21) and second hoist and mount roof beam (22), when two sets of L type link plate (26) at hoist and mount crossbeam (23) both ends are loosened, can reset L type link plate (26) under compression spring's (29) effect, make L type link plate (26) hang the top of detaining at first hoist and mount roof beam (21) and second hoist and mount roof beam (22), with this promote the stability of connecting between the three, and hoisting support (17) can also install and dismantle work hoisting crossbeam (23) according to the in service behavior.