CN221703094U - A scaffold - Google Patents

Abstract

The utility model relates to the technical field of building devices, in particular to a scaffold, which comprises a main frame device, a plurality of horizontal traction devices and a plurality of connecting plate assemblies, wherein the horizontal traction devices and the connecting plate assemblies are sequentially arranged along the height direction, the horizontal traction devices are connected with the main frame device, the connecting plate assemblies are also connected with the main frame device, and the horizontal traction devices are also partially arranged on the connecting plate assemblies. The utility model aims to solve the problem that the traditional scaffold cannot be installed and used in a building with a complex shape, and provides the scaffold which can horizontally move on the basis of having a vertical lifting function, and can be well attached to the outside of the maximum outline of the building in the whole building construction process through horizontal movement, meanwhile, the sealing cost of a scaffold body is reduced to the maximum extent, and safe, convenient and efficient construction operation is realized.

Description

A scaffold

Technical Field

The utility model relates to the technical field of building devices, and more specifically, to a scaffold.

Background Art

Traditional liftable scaffolding can only be lifted vertically, but cannot be moved horizontally. The scaffolding needs to be arranged based on the maximum outer contour size of the floor. This will cause two technical problems: first, for floors with large floating platform sizes, it not only greatly increases the cost of enclosing the frame, but also reduces safety and does not comply with relevant safety regulations for scaffolding; second, when the outer structure of the floor is complex and changeable, such as when the ends of different floors are not flush, traditional scaffolding cannot be installed and used.

Utility Model Content

The purpose of the utility model is to overcome the problem that the existing traditional scaffolding cannot be installed and used in buildings with complex shapes, and to provide a scaffolding that, on the basis of having a vertical lifting function, can also be moved horizontally. Through the horizontal movement, the scaffolding can be well attached to the outside of the maximum outer contour of the building during the entire construction process, while minimizing the sealing cost of the frame and achieving safe, convenient and efficient construction operations.

In order to achieve the above purpose, the technical solution adopted by the utility model is:

A scaffold comprises a main frame device, a plurality of horizontal pulling devices, and a plurality of connecting plate assemblies. The plurality of horizontal pulling devices and the plurality of connecting plate assemblies are arranged in sequence along the height direction. The horizontal pulling devices are connected to the main frame device, and the connecting plate assemblies are also connected to the main frame device. The horizontal pulling devices are also partially installed on the connecting plate assemblies.

In the above scheme, the main frame device is used to realize the functions of a conventional scaffold, including normal vertical lifting, and multiple horizontal pulling devices are installed on building floors at different heights. The horizontal pulling devices are connected to the main frame device, so that the main frame device can achieve horizontal lateral movement; one end of the connecting plate assembly is connected to the building floor, and the other end is connected to the main frame device, so that the horizontal gap between the main frame device and the building floor can be closed, so that the main frame device can be relied on and avoided from being suspended; such an arrangement can, on the one hand, improve the reliability of the scaffolding attached to the building, and on the other hand, increase the safety of use.

Furthermore, the horizontal traction device includes a horizontally movable steel beam, a steel beam transmission device, a power unit group, and a support seat; the horizontally movable steel beam is inserted into the steel beam transmission device and is slidably connected to the steel beam transmission device, one end of the horizontally movable steel beam is connected to the main frame device, and the other end is connected to one end of the power unit group, and the other end of the power unit group is connected to the support seat. The power unit group acts on the horizontally movable steel beam to make it move horizontally relative to the steel beam transmission device, so that the main frame device is horizontally displaced. After reaching the set size requirement, the movement stops, and the horizontally movable steel beam is fixed by the steel beam transmission device to increase the connection reliability between the horizontally movable steel beam and the building floor. The horizontally movable steel beam passes through the steel beam transmission device, and the front end is fixedly connected to the main frame device, and the rear end is connected to the power unit group; the power unit group is connected to the support seat, and the support seat is fixed to the floor with bolts.

Furthermore, the steel beam transmission device includes a support shell, a plurality of rotating shafts, and a plurality of fixings. The support shell is provided with a hollow cavity, and a horizontal hole is opened on the support shell to allow the horizontally movable steel beam to pass through. The rotating shaft is rotatably connected to the support shell and is located at the bottom of the hollow cavity. The plurality of fixings are respectively located at the top and bottom of the support shell and are all detachably connected to the support shell. The horizontally movable steel beam passes through the hollow cavity of the support shell and is located on the rotating shaft. The setting of the rotating shaft can facilitate the sliding connection between the horizontally movable steel beam and the steel beam transmission device. In addition to the transmission function, the steel beam transmission device also has the function of fixing the horizontally movable steel beam. Specifically, the steel beam transmission device is fixed on the floor slab by using some fixings. After adjusting the position of the horizontally movable steel beam and the steel beam transmission device, the horizontally movable steel beam is locked and fixed by using some fixings, thereby increasing the connection reliability between the horizontally movable steel beam and the floor slab and avoiding accidental horizontal sliding of the main frame device during use. Preferably, the fixings can be bolts.

Furthermore, the support shell includes a top plate, a support plate, and a base. There are two support plates, which are symmetrically arranged on both sides of the top plate and are both connected to the top plate. The base is connected to the bottom of the support plate. Some fixings are detachably connected to the top plate, and some fixings are detachably connected to the base. The rotating shaft is arranged between the two support plates and close to the base. The base is fixed to the building floor by the fixings, and the support plate and the top plate form a hollow cavity to form a storage space for the horizontally movable steel beam, and can also be used to provide support for it.

Furthermore, the support shell also includes two connecting plates, the two connecting plates are respectively located at the two ends of the top plate, and the two ends of the connecting plate are respectively connected to the two support plates, and a connecting block is provided on the outside of the connecting plate, and some fixings are threadedly connected to the connecting block. On the one hand, the connecting plate is used to improve the supporting capacity of the support shell and improve its anti-deformation performance; on the other hand, the connecting plate is used to provide a fixing space for the fixing, so that the fixing can directly act on the horizontally movable steel beam to lock and fix it.

Furthermore, the horizontal pulling device also includes a rigid pull rod and an inclined suspension seat, one end of the rigid pull rod is hinged to the horizontal movable steel beam, and the other end is connected to the inclined suspension seat. The rigid pull rod is connected to the horizontal movable steel beam, one end is fixed to the building floor through the inclined suspension seat and bolts, and the other end is fixed to the horizontal movable steel beam through bolts, which plays a role in unloading the cantilever end steel beam.

Furthermore, the main frame device includes a main frame, a wall-mounted support, a guide rail, a lifting support, and an electric hoist. The wall-mounted support is installed between the main frame and the horizontal pulling device, the wall-mounted support can be plugged into the guide rail, the electric hoist is connected to the lifting support and the main frame, and the main frame is also slidably connected to the guide rail. The main frame is a construction operation and protection platform; the wall-mounted support plays a role in lifting guidance and anti-overturning, and the wall-mounted support also plays a role in unloading and preventing falling; the lifting support is fixed to the building floor with a screw rod, and is connected to the main frame through an electric hoist, and the electric hoist is used as the power to complete the vertical lifting.

Furthermore, the main frame includes a main frame and a plurality of pedals, and the plurality of pedals are arranged inside the main frame and arranged in order from top to bottom along the height. The main frame is used for overall support, and the pedals are used for construction workers to step on to perform construction work.

Furthermore, the main frame also includes a flap arranged at the bottom of the frame, and the flap is rotatably connected to the frame. The flap is a flip structure, and after the construction of the main frame is completed, the cavity is fully sealed.

Furthermore, the wall-attached support is provided with a conical guide wheel, a V-shaped adjustment top support, and a rotary pendulum block. The conical guide wheel is arranged on the side of the wall-attached support and is assembled with the channel steel of the guide rail. The V-shaped adjustment top support is arranged at the lower part of the wall-attached support, and the rotary pendulum block is arranged at the lower part of the wall-attached support. Both the V-shaped adjustment top support and the rotary pendulum block can be clamped with the round steel of the guide rail. The wall-attached support is assembled with the channel steel of the guide rail through the conical guide wheel to start the lifting and guiding and anti-overturning functions. In addition, the V-shaped adjustment top support is arranged at the upper part of the wall-attached support, and the rotary pendulum block is arranged at the lower part of the wall-attached support. The V-shaped adjustment top support and the rotary pendulum block are respectively in contact with the round steel of the guide rail to play the role of unloading and anti-falling.

Furthermore, the connecting plate assembly includes a sealing plate, a sealing frame cross bar, and a sealing frame. The sealing frame cross bar is connected to the main frame device, the sealing frame is connected to the sealing frame cross bar, the sealing plate is mounted on the sealing frame, and the end of the sealing plate is connected to the main frame device. The sealing frame cross bar is connected to the main frame body by bolts, the front end of the sealing frame is connected and fixed to the sealing frame cross bar by bolts, the end of the sealing frame is fixed to the building floor, the sealing plate is fixed to the sealing frame by self-tapping screws, and is connected to the main frame body through one end of the sealing plate and connected to the floor board at the other end, so as to fill the gap between the main frame body and the floor board and complete the closure.

Principle of the utility model:

The scaffolding of the utility model can realize vertical lifting, horizontal transverse movement, and variable cross-section space closure. The vertical lifting is achieved through two guide rails installed vertically and parallel to the main frame, so that the main frame can realize vertical lifting through the guide rails with the wall-attached support as the fulcrum; the horizontal transverse movement is connected to the main frame through the horizontal moving steel beam, and is supported and constrained by the steel beam transmission device, and the horizontal movement of the main frame is achieved under the drive of the power unit group; and the variable cross-section means that after the scaffolding completes the horizontal movement and vertical lifting, the space between the working platform of the main frame and the building floor is closed by using the connecting plate assembly.

The beneficial effects of the utility model are as follows:

(1) The horizontal pulling device is used in conjunction with the main frame device, which enables the scaffold of the utility model to simultaneously realize horizontal and vertical intelligent spatial movement, and can complete the scaffold lifting operation more safely and efficiently;

(2) It solves the problem that traditional lifting scaffolding cannot avoid the external structure for lifting on complex and changeable building floors (floors with large external expansion), fills the gap that the lifting scaffolding on such floors cannot continue construction; and expands the applicable occasions of traditional scaffolding.

(3) It solves the problem of high sealing cost of traditional lifting scaffolding frames in building floors with complex and changeable exteriors (floors with large external expansion changes), greatly reducing construction costs.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a structural diagram of a scaffold in the first direction of the present invention.

FIG. 2 is a structural diagram of a scaffold in the second direction of the present invention.

FIG. 3 is a schematic diagram of the installation of the wall-mounted support and the guide rail of the utility model.

FIG. 4 is a schematic diagram of the installation of the wall-mounted support and the guide rail at another angle of the present invention.

FIG. 5 is a structural diagram of a lifting support of the utility model.

FIG. 6 is a structural diagram of the support seat of the utility model.

FIG. 7 is a structural diagram of the steel beam transmission device of the present invention.

FIG8 is a structural diagram of the power unit group of the utility model.

FIG. 9 is a structural diagram of a horizontally movable steel beam of the present invention.

10 is a structural diagram of the sealing frame cross bar and the sealing frame of the utility model.

FIG. 11 is a structural diagram of a rigid pull rod of the present utility model.

FIG. 12 is a structural diagram of the utility model inclined-stayed suspension seat.

FIG. 13 is a diagram showing a usage scenario of the present utility model.

The graphic symbols are explained as follows:

1. Main frame device; 11. Main frame body; 111. Main frame; 112. Pedal; 113. Folding plate; 12. Wall support; 121. Conical guide wheel; 122. V-shaped adjustable top support; 123. Rotary swing block; 13. Guide rail; 14. Lifting support; 15. Electric hoist; 2. Horizontal traction device; 21. Horizontally movable steel beam; 22. Steel beam transmission device; 221. Support shell; 2211. Top plate; 2212. Support plate; 2213. Base; 2214. Connecting plate; 2215. Connecting block; 222. Rotating shaft; 223. Fixing piece; 23. Power unit group; 24. Support seat; 25. Rigid pull rod; 26. Inclined suspension seat; 3. Connecting plate assembly; 31. Sealing plate; 32. Sealing frame cross bar; 33. Sealing frame; 101. Scaffolding; 102. Variable section structure building.

DETAILED DESCRIPTION

The drawings are only for illustrative purposes and cannot be construed as limiting the present invention. To better illustrate the present embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are only for illustrative purposes and cannot be construed as limiting the present invention.

The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "long", "short" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

The technical solution of the utility model is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

Example 1

As shown in Figures 1 to 13, an embodiment 1 of a scaffold 101 of the utility model comprises a main frame device 1, a plurality of horizontal pulling devices 2, and a plurality of connecting plate assemblies 3. The plurality of horizontal pulling devices 2 and the plurality of connecting plate assemblies 3 are arranged in sequence along the height direction. The horizontal pulling devices 2 are connected to the main frame device 1, and the connecting plate assemblies 3 are also connected to the main frame device 1. The horizontal pulling devices 2 are also partially installed on the connecting plate assemblies 3.

In the above scheme, the main frame device 1 is used to realize the functions of the conventional scaffolding 101, including normal vertical lifting, and multiple horizontal pulling devices 2 are installed on the building floors at different heights, and the horizontal pulling devices 2 are connected to the main frame device 1, so that the main frame device 1 can realize horizontal lateral movement; one end of the connecting plate assembly 3 is connected to the building floor, and the other end is connected to the main frame device 1, so that the horizontal gap between the main frame device 1 and the building floor can be closed, so that the main frame device 1 can be relied on and avoid being suspended; such a setting can improve the reliability of the scaffolding 101 attached to the building on the one hand, and increase the safety of use on the other hand. The scaffolding 101 of the utility model is built in a variable-section structure building 102. On the basis of having the vertical lifting function, it can also move horizontally. Through horizontal movement, the scaffolding 101 can be well attached to the maximum outer contour of the variable-section structure building 102 during the entire construction process, while minimizing the sealing cost of the frame body and realizing safe, convenient and efficient construction operations.

Specifically, the horizontal traction device 2 includes a horizontally movable steel beam 21, a steel beam transmission device 22, a power unit group 23, and a support seat 24; the horizontally movable steel beam 21 is inserted into the steel beam transmission device 22 and is slidably connected to the steel beam transmission device 22, one end of the horizontally movable steel beam is connected to the main frame device 1, and the other end is connected to one end of the power unit group 23, and the other end of the power unit group 23 is connected to the support seat 24. The power unit group 23 acts on the horizontally movable steel beam 21 to make it move horizontally relative to the steel beam transmission device 22, so that the main frame body 11 device is horizontally displaced, and stops moving after reaching the set size requirements, and fixes the horizontally movable steel beam 21 through the steel beam transmission device 22, thereby increasing the connection reliability between the horizontally movable steel beam 21 and the building floor. The horizontally movable steel beam 21 passes through the steel beam transmission device 22, the front end is fixedly connected to the main frame device 1, and the rear end is connected to the power unit group 23; the power unit group 23 is connected to the support seat 24, and the support seat 24 is fixed to the floor with bolts. Preferably, the power group unit can be a telescopic cylinder or an electric cylinder.

Among them, the steel beam transmission device 22 includes a supporting shell 221, a plurality of rotating shafts 222, and a plurality of fixing parts 223. The supporting shell 221 is provided with a hollow cavity, and a horizontal hole is opened on the supporting shell 221 to accommodate the horizontally movable steel beam 21 to pass through. The rotating shaft 222 is rotatably connected to the supporting shell 221 and is located at the bottom of the hollow cavity. The plurality of fixing parts 223 are respectively located at the top and bottom of the supporting shell 221 and are all detachably connected to the supporting shell 221. The horizontally movable steel beam 21 passes through the hollow cavity of the supporting shell 221 and is located on the rotating shaft 222. The setting of the rotating shaft 222 can facilitate the sliding connection between the horizontally movable steel beam 21 and the steel beam transmission device 22. In addition to the transmission function, the steel beam transmission device 22 also has the function of fixing the horizontally movable steel beam 21. Specifically, the steel beam transmission device 22 is fixed on the floor slab by using part of the fixing member 223. After adjusting the position of the horizontally movable steel beam 21 and the steel beam transmission device 22, the horizontally movable steel beam 21 is locked and fixed by using part of the fixing member 223, thereby increasing the connection reliability between the horizontally movable steel beam 21 and the floor slab and avoiding accidental horizontal sliding of the main frame device 1 during use. Preferably, the fixing member 223 can be a bolt.

Further, the support shell 221 includes a top plate 2211, a support plate 2212, and a base 2213. There are two support plates 2212, which are symmetrically arranged on both sides of the top plate 2211 and are both connected to the top plate 2211. The base 2213 is connected to the bottom of the support plate 2212. Some fixing members 223 are detachably connected to the top plate 2211, and some fixing members 223 are detachably connected to the base 2213. The rotating shaft 222 is arranged between the two support plates 2212 and close to the base 2213. The base 2213 is fixed to the building floor by the fixing members 223, and the support plates 2212 and the top plate 2211 form a hollow cavity, which is used to form a storage space for the horizontally movable steel beam 21 and can also be used to provide support for it.

Moreover, the support shell 221 also includes two connecting plates 2214, which are respectively located at the two ends of the top plate 2211, and the two ends of the connecting plates 2214 are respectively connected to the two support plates 2212, and a connecting block 2215 is provided on the outside of the connecting plate 2214, and some fixing members 223 are threadedly connected to the connecting block 2215. The connecting plates 2214 are used to improve the supporting capacity of the support shell 221 on the one hand and improve its anti-deformation performance; on the other hand, the connecting plates 2214 are used to provide a fixing space for the fixing members 223, so that the fixing members 223 can directly act on the horizontally movable steel beam 21 to lock and fix it.

Furthermore, the horizontal pulling device 2 also includes a rigid tie rod 25 and an inclined suspension seat 26. One end of the rigid tie rod 25 is hinged to the horizontal movable steel beam 21, and the other end is connected to the inclined suspension seat 26. The rigid tie rod 25 is connected to the horizontal movable steel beam 21, one end of which is fixed to the building floor through the inclined suspension seat 26 and bolts, and the other end is fixed to the horizontal movable steel beam 21 through bolts, which plays a role in unloading the cantilever end steel beam.

Example 2

This embodiment is a second embodiment of a scaffold 101. This embodiment is similar to the first embodiment, except that this embodiment is a specific development of the main frame device 1. The main frame device 1 includes a main frame body 11, a wall-mounted support 12, a guide rail 13, a lifting support 14, and an electric hoist 15. The wall-mounted support 12 is installed between the main frame body 11 and the horizontal pulling device 2. The wall-mounted support 12 can be plugged into the guide rail 13. The electric hoist 15 is connected to the lifting support 14 and the main frame body 11. The main frame body 11 is also slidably connected to the guide rail 13. The main frame body 11 is a construction operation and protection platform; the wall-mounted support 12 plays the role of lifting guidance and anti-overturning, and the wall-mounted support 12 also plays the role of unloading and anti-falling; the lifting support 14 is fixed to the building floor with a screw rod, and is connected to the main frame body 11 through the electric hoist 15. The electric hoist 15 is used as the power to complete the vertical lifting. One end of the horizontally movable steel beam 21 is connected to the wall-mounted support 12 , and further indirectly connected to the main frame 11 , and the other end is connected to the power unit group 23 .

The main frame 11 includes a main frame 111 and a plurality of pedals 112. The pedals 112 are arranged inside the main frame 111 and arranged in order from top to bottom along the height. The main frame 111 is used for overall support, and the pedals 112 are used for construction workers to step on to perform construction work.

Further, the main frame 11 also includes a flap arranged at the bottom of the main frame 111, and the flap is rotatably connected to the main frame 111. The flap is a flip structure, and after the construction of the main frame 11 is completed, the cavity is fully sealed.

Moreover, the wall-attached support 12 is provided with a conical guide wheel 121, a V-shaped adjustment top support 122, and a rotary swing block 123. The conical guide wheel 121 is arranged at the side of the wall-attached support 12 and is assembled with the channel steel of the guide rail 13. The V-shaped adjustment top support 122 is arranged at the lower part of the wall-attached support 12. The rotary swing block 123 is arranged at the lower part of the wall-attached support 12. Both the V-shaped adjustment top support 122 and the rotary swing block 123 can be clamped with the round steel of the guide rail 13. The wall-attached support 12 is assembled with the channel steel of the guide rail 13 through the conical guide wheel 121, so as to start the lifting and guiding and anti-overturning functions. In addition, the V-shaped adjustment top support 122 is arranged at the upper part of the wall-attached support 12, and the rotary swing block 123 is arranged at the lower part of the wall-attached support 12. The V-shaped adjustment top support 122 and the rotary swing block 123 are respectively in contact with the round steel of the guide rail 13 to play the role of unloading and anti-falling.

Example 3

This embodiment is an embodiment 3 of a scaffold 101. This embodiment is similar to the embodiment 1, except that this embodiment is a specific development of the connection plate assembly 3. The connection plate assembly 3 includes a sealing plate 31, a sealing frame crossbar 32, and a sealing frame 33. The sealing frame crossbar 32 is connected to the main frame device 1, and the sealing frame 33 is connected to the sealing frame crossbar 32. The sealing plate 31 is mounted on the sealing frame 33, and the end of the sealing plate 31 is connected to the main frame device 1. The sealing frame crossbar 32 is connected to the main frame body 11 by bolts, the front end of the sealing frame 33 is connected and fixed to the sealing frame crossbar 32 by bolts, and the end of the sealing frame 33 is fixed to the building floor. The sealing plate 31 is fixed to the sealing frame 33 by self-tapping screws, and is connected to the main frame body 11 through one end of the sealing plate 31 and connected to the floor through the other end, so as to fill the gap between the main frame body 11 and the floor to complete the closure. The two ends of the sealing plate 31 can be respectively attached to the building floor and the main frame 11, or one end of the sealing plate 31 can be attached to the main frame 11, and the other end can partially cover the building floor.

Furthermore, the sealing plate 31 is a retractable structure. The size of the sealing plate 31 is adjusted according to the size of the gap between the building floor and the main frame 11, so that the two ends of the sealing plate 31 just fit with the building floor and the main frame 11 to perfectly cover the gap between the building floor and the main frame 11 to form a seal.

Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims (10)

1. A scaffold, characterized in that it comprises a main frame device (1), a plurality of horizontal pulling devices (2), and a plurality of connecting plate assemblies (3), wherein the plurality of horizontal pulling devices (2) and the plurality of connecting plate assemblies (3) are arranged in sequence along the height direction, the horizontal pulling devices (2) are connected to the main frame device (1), the connecting plate assemblies (3) are also connected to the main frame device (1), and the horizontal pulling devices (2) are also partially installed on the connecting plate assemblies (3). 2. The scaffolding according to claim 1 is characterized in that the horizontal pulling device (2) includes a horizontally movable steel beam (21), a steel beam transmission device (22), a power unit group (23), and a support seat (24); the horizontally movable steel beam (21) is penetrated by the steel beam transmission device (22) and is slidably connected to the steel beam transmission device (22), one end of the horizontally movable steel beam is connected to the main frame device (1), and the other end is connected to one end of the power unit group (23), and the other end of the power unit group (23) is connected to the support seat (24). 3. The scaffolding according to claim 2 is characterized in that the steel beam transmission device (22) includes a support shell (221), a plurality of rotating shafts (222), and a plurality of fixing parts (223); the support shell (221) is provided with a hollow cavity, and a horizontal hole is opened on the support shell (221) for accommodating the horizontally movable steel beam (21) to pass through; the rotating shaft (222) is rotatably connected to the support shell (221) and is located at the bottom of the hollow cavity; the plurality of fixing parts (223) are respectively located at the top and bottom of the support shell (221) and are all detachably connected to the support shell (221). 4. The scaffold according to claim 3 is characterized in that the support shell (221) includes a top plate (2211), a support plate (2212), and a base (2213), wherein there are two support plates (2212), the two support plates (2212) are symmetrically arranged on both sides of the top plate (2211) and are both connected to the top plate (2211), the base (2213) is connected to the bottom of the support plate (2212), part of the fixing member (223) is detachably connected to the top plate (2211), part of the fixing member (223) is detachably connected to the base (2213), and the rotating shaft (222) is arranged between the two support plates (2212) and close to the base (2213). 5. The scaffolding according to claim 4 is characterized in that the supporting shell (221) also includes a connecting plate (2214), and the connecting plates (2214) are two, and the two connecting plates (2214) are respectively located at the two ends of the top plate (2211), and the two ends of the connecting plate (2214) are respectively connected to the two supporting plates (2212), and a connecting block (2215) is provided on the outside of the connecting plate (2214), and a part of the fixing member (223) is threadedly connected to the connecting block (2215). 6. The scaffolding according to claim 4 is characterized in that the horizontal pulling device (2) also includes a rigid pull rod (25) and an oblique suspension seat (26), one end of the rigid pull rod (25) is hinged to the horizontal movable steel beam (21), and the other end is connected to the oblique suspension seat (26). 7. The scaffolding according to any one of claims 1 to 6 is characterized in that the main frame device (1) includes a main frame body (11), a wall-mounted support (12), a guide rail (13), a lifting support (14), and an electric hoist (15); the wall-mounted support (12) is installed between the main frame body (11) and the horizontal pulling device (2); the wall-mounted support (12) can be plugged into the guide rail (13); the electric hoist (15) is connected to the lifting support (14) and to the main frame body (11); and the main frame body (11) is also slidably connected to the guide rail (13). 8. The scaffolding according to claim 7 is characterized in that the main frame (11) includes a main frame (111) and a plurality of pedals (112), and the plurality of pedals (112) are all arranged inside the main frame (111) and are arranged in sequence from top to bottom along the height. 9. The scaffolding according to claim 8 is characterized in that the wall-mounted support (12) is provided with a conical guide wheel (121), a V-shaped adjustment top support (122), and a rotary pendulum block (123); the conical guide wheel (121) is arranged on the side of the wall-mounted support (12) and is assembled with the channel steel of the guide rail (13); the V-shaped adjustment top support (122) is arranged at the lower part of the wall-mounted support (12); the rotary pendulum block (123) is arranged at the lower part of the wall-mounted support (12); and both the V-shaped adjustment top support (122) and the rotary pendulum block (123) can be clamped with the round steel of the guide rail (13). 10. The scaffolding according to claim 1 is characterized in that the connecting plate assembly (3) comprises a sealing plate (31), a sealing frame cross bar (32), and a sealing frame (33), wherein the sealing frame cross bar (32) is connected to the main frame device (1), the sealing frame (33) is connected to the sealing frame cross bar (32), the sealing plate (31) is mounted on the sealing frame (33), and the end of the sealing plate (31) is connected to the main frame device (1).