CN216552964U

CN216552964U - Movable cantilever frame structure

Info

Publication number: CN216552964U
Application number: CN202123316875.7U
Authority: CN
Inventors: 吴昊; 葛栋栋; 王刚
Original assignee: Shenzhen Building Decoration Group Co ltd
Current assignee: Shenzhen Building Decoration Group Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-17
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a movable cantilever frame structure, which comprises a base layer and a cantilever layer, wherein a base top plate is arranged at the top of the base layer, a counterweight box body is arranged in the base layer, universal wheels are arranged at the bottom of the base layer, the cantilever layer is arranged at the upper part of the base layer, an operation platform exceeding the base layer is arranged in an extending manner along the length direction of the cantilever layer, an operation bottom plate is arranged at the bottom of the operation platform, and guardrails are arranged on the periphery of the operation platform; the foundation layer is including connecting fixed basis pole setting and basis horizontal pole each other to still be connected with basic diagonal brace between the basis pole setting, the layer of encorbelmenting is including connecting fixed pole setting and the horizontal pole of encorbelmenting each other, and still be connected with between pole setting and the basis horizontal pole of encorbelmenting and strengthen the diagonal brace. The structure has the advantages of mobility, small occupied area, strong flexibility, safety, stability and the like.

Description

Movable cantilever frame structure

Technical Field

The utility model relates to a scaffold, in particular to a movable cantilever frame structure.

Background

The overhanging frame is also commonly called as an overhanging type scaffold, generally refers to a construction scaffold for which the load in the vertical direction is transmitted to a main structure through a bottom section steel support frame, and not only can meet the erection requirement of a high-rise external scaffold, but also can be relatively independently turned and erected or dismantled according to the actual requirement of construction.

Currently, with the development of economic society, the number of high-rise buildings is continuously increased, and no matter the construction operation of the external facade of the building or the interior decoration brings more and more problems and challenges to the construction technology. Especially, the method puts forward higher requirements on the overall construction efficiency, economy and safety of high-rise buildings. When decorating construction or other operations to the wall in great region, if adopt traditional console mode scaffold, unable overall movement after a regional construction finishes still need take again at next region and tear the scaffold open, lead to that the operating efficiency is low, the flexibility is poor, work load is big, takes a lot of work and wastes material and time. If the method of erecting a full scaffold is used, the defects of large occupied area and high manufacturing cost exist. Although a relatively automatic cantilever type lifter can be used, the self weight of the lifter is relatively large, the lifter is easy to damage decorative materials such as ground stones and the like, and the lifter is not suitable for in-site maintenance operation in the later construction period.

Therefore, there is a need to develop an overhanging frame structure that is more flexible and suitable for on-site maintenance work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a movable cantilever frame structure which is movable, small in occupied area, strong in flexibility, safe and stable.

In order to achieve the above object, the present invention provides a mobile cantilever structure, which comprises a base layer 1 and a cantilever layer 2; a foundation top plate 11 is arranged at the top of the foundation layer 1, a counterweight box body 12 is arranged in the foundation layer, and universal wheels 13 are arranged at the bottom of the foundation layer; the overhanging layer 2 is arranged at the upper part of the base layer 1, and an operating platform 21 which exceeds the base layer 1 is arranged in an extending way along the length direction; an operation bottom plate 22 is arranged at the bottom of the operation platform 21, and a guardrail 23 is arranged on the periphery of the operation bottom plate; the foundation layer 1 comprises foundation upright posts 14 and foundation cross bars 15 which are fixedly connected with each other, and foundation diagonal braces 16 are connected between the foundation upright posts 14; the overhanging layer 2 comprises an overhanging vertical rod 24 and an overhanging cross rod 25 which are fixedly connected with each other, and a reinforcing inclined supporting rod 26 is also connected between the overhanging vertical rod 24 and the foundation cross rod 15. The number of foundation uprights 14, foundation crossbars 15, overhanging uprights 24, overhanging crossbars 25 and foundation and

reinforcement braces

16, 26 is typically plural and typically symmetrically arranged. The operating platform 21 is located on the upper part of the frame formed by the overhanging uprights 24 and the overhanging crosspieces 25. The overhanging layer 2 can be provided with an overhanging bottom plate below the operating platform 21, and can be used for multiple persons to work on the operating platform 21 and the overhanging bottom plate below the operating platform simultaneously. A foundation bedplate can also be arranged at the bottom of the foundation layer 1 to facilitate the operation of personnel in the foundation layer 1 and to place the counterweight box body 12. In order to facilitate the operation of personnel on the operating platform 21, a ladder or other climbing facilities can be arranged below the operating platform 21. In a similar way, a climbing facility can be arranged below the cantilever layer 2, and the personnel can conveniently implement operation from the foundation layer 1 to the cantilever layer 2. The universal wheel is also called as a movable caster, and means that a bracket of the caster wheel can horizontally rotate for 360 degrees in dynamic load or static load.

The movable cantilever structure of the present invention is a galvanized steel square tube with a dimension of 50 × 50 × 5mm, wherein the foundation upright 14, the foundation cross bar 15, the foundation diagonal brace 16, and the reinforcing diagonal brace 26 are made of galvanized steel. The galvanized steel square tube is also called as hot galvanized steel square tube, and the galvanized steel square tube is a square tube which is obtained by immersing the steel square tube after rust removal into molten zinc at the temperature of about 440-460 ℃ to enable a zinc layer to be attached to the surface of the steel square tube, so that an anti-corrosion effect is achieved.

According to the mobile cantilever structure of the present invention, the cantilever upright 24 and the cantilever cross bar 25 are galvanized steel square tube with a specification of 40 × 40 × 4 mm.

According to the mobile cantilever structure of the present invention, the guardrail 23 of the operation platform 21 is formed by connecting galvanized steel square tubes, and the specification of the guardrail is 20 × 20 × 2 mm. The guard rail 23 may be formed by connecting a plurality of cross bars and a plurality of vertical bars.

The mobile cantilever structure according to the present invention, wherein the base top plate 11 and the operating floor plate 22 are fire-retardant plywood having a thickness of 15-20 mm. The flame-retardant plywood is a three-layer or multi-layer plywood formed by gluing wood chips with an adhesive after flame-retardant treatment, has the characteristics of light volume weight, high strength, beautiful texture, suitability for decoration and the like, and has better flame-retardant, moisture-proof and aging-resistant properties.

According to the movable cantilever frame structure, the wallboard of the counterweight box body 12 is a flame-retardant plywood, and counterweight filler or a counterweight block is arranged inside the wallboard. The counterweight filler can be water, gravel or soil, is convenient for local materials, can be taken out at any time when not used, and is convenient for transporting the counterweight box body.

According to the mobile cantilever structure of the present invention, the thickness of the fire retardant plywood is 18 mm.

According to the mobile cantilever structure of the present invention, the universal wheels 13 are provided in plurality and distributed around the bottom of the foundation layer 1. The installation positions of the universal wheels can be uniformly distributed around the bottom of the base layer according to actual needs, and the number of the universal wheels can be 6 or more.

According to the mobile cantilever structure, the universal wheels 13 are rubber universal wheels, nylon universal wheels or polyurethane universal wheels, and the bearing capacity of the universal wheels is more than or equal to 250 kg.

Based on the technical scheme, the movable cantilever frame structure has the following beneficial effects that:

1. the movable cantilever frame can move through the universal wheels, and can be directly translated to the next area after the work is finished in one area, so that the problem that the traditional scaffold needs to be repeatedly disassembled and assembled in the large-area construction operation is solved, manpower and material resources are saved, and the construction efficiency is improved. And compare in the mode of setting up full hall scaffold, its occupation space obviously reduces, and material turnover speed is faster, and the cost is showing and is reducing, and economic nature is more excellent.

2. The movable cantilever frame structure actually has three-layer structures of the foundation layer, the cantilever layer and the operation platform, and can arrange personnel to carry out simultaneous operation, for example, the cantilever layer can carry out construction operation on a ceiling on the same layer while the cantilever layer carries out construction on a side opening of a atrium on the operation platform, so that the construction efficiency is higher, and the requirement of construction progress is met.

3. The movable cantilever frame is simple in structure and convenient to disassemble, and the heights of the base layer, the cantilever layer and the operating platform can be adjusted as required by using the base upright rods and the cantilever upright rods with different lengths. After the relevant operation of operation platform finishes, layer of encorbelmenting and operation platform can demolish, and the foundation bed that leaves can regard as ordinary activity scaffold frame to use, so has stronger flexibility.

4. The movable cantilever frame structure of the utility model enhances the stability of the whole structure through the basic inclined supporting rod and the reinforced inclined supporting rod with specific connection relation, and can realize good safety. Compared with a cantilever type lifter, the cantilever type lifter has the advantages of less material consumption, small dead weight, difficult damage to ground base layers and decorative materials, and is more suitable for large-scale spaces such as commercial complexes and the like and in-site maintenance operation in the later construction period.

Drawings

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, wherein:

figure 1 shows a schematic side view of a mobile cantilever structure of the present invention.

Description of reference numerals:

1. a base layer; 11. a base top plate; 12. a counterweight box body; 13. a universal wheel; 14. a base upright stanchion; 15. a base rail; 16. a foundation diagonal brace;

2. a cantilever layer; 21. an operating platform; 22. operating the bottom plate; 23. a guardrail; 24. a vertical rod is cantilevered; 25. a cross bar is cantilevered; 26. the diagonal brace is strengthened.

Detailed Description

The utility model is further illustrated by the following specific examples, which, however, are to be construed as merely illustrative, and not limitative of the remainder of the disclosure in any way whatsoever. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood as specific cases by those skilled in the art.

An embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, the mobile cantilever structure of the present embodiment includes a base layer and a cantilever layer.

The top of foundation layer 1 is provided with basic roof 11, and inside is provided with counter weight box 12, and the bottom is provided with universal wheel 13.

The foundation layer 1 comprises foundation uprights 14 and foundation crossbars 15 which are fixedly connected with each other, and foundation diagonal braces 16 are connected between the foundation uprights 14. The foundation uprights 14, the foundation cross bars 15 and the foundation diagonal braces 16 can be in plurality and are generally symmetrically arranged. In one embodiment, the base uprights 14, base crossbars 15 and base diagonal braces 16 may be made of galvanized steel square tube, which may have a gauge of 50 × 50 × 5 mm. In a preferred embodiment, the base top panel 11 may be a fire retardant plywood panel, which may have a thickness of 15-20mm, and may preferably be 18 mm. The bottom of the foundation layer 1 can be provided with a foundation bottom plate for facilitating the operation of personnel and placing the counterweight box body 12.

The wallboard of the counterweight box body 12 can adopt flame-retardant plywood, and counterweight filler or counterweight block is arranged in the wallboard. In one embodiment, the thickness of the fire retardant plywood used for the counterweight housing 12 may be 15-20mm, and may preferably be 18 mm.

The universal wheels 13 may be distributed around the bottom of the base layer 1, for example, 6 universal wheels may be arranged at the four corners of the base layer 1 and at the centers of the two long sides. In one embodiment, the caster wheel 13 may be a rubber caster wheel, a nylon caster wheel, or a polyurethane caster wheel, which typically bears a weight of greater than or equal to 250 kg.

The overhanging layer 2 is arranged on the upper part of the foundation layer 1, and an operation platform 21 which exceeds the foundation layer 1 is arranged in the length direction in an extending way. The overhanging layer 2 comprises an overhanging vertical rod 24 and an overhanging cross rod 25 which are fixedly connected with each other, and a reinforced inclined supporting rod 26 is also connected between the overhanging vertical rod 24 and the foundation cross rod 15. In one embodiment, the overhanging rail 24, the overhanging rail 25 and the reinforcing diagonal 26 may be made of galvanized steel square tube, wherein the size of the overhanging rail 24 and the overhanging rail 25 may be 40 × 40 × 4mm and the size of the reinforcing diagonal 26 may be 50 × 50 × 5 mm. In a preferred embodiment, the overhanging layer 2 may also be provided with an overhanging floor below the operation platform 21, so as to be used for multiple persons working simultaneously on the operation platform 21 and the overhanging floor below it.

The bottom of the operation platform 21 is provided with an operation bottom plate 22, and a guardrail 23 is installed on the periphery of the operation bottom plate. The guardrail 23 can be made of galvanized steel square tube, and the specification can be 20 × 20 × 2 mm. In one embodiment, the operating floor 22 may be a fire retardant plywood panel, which may have a thickness of 15 to 20mm, and may preferably be 18 mm. In order to enhance the safety, a guard plate surrounded by a plurality of flame-retardant plywood plates can be arranged on the upper part of the operation bottom plate 22.

The main components of the mobile cantilever structure can be prefabricated in batches in a factory. Those skilled in the art can select an appropriate production flow and installation flow according to the structure of the present invention.

As an example, the manufacturing and installation method thereof may comprise the steps of:

1. prefabricating steel parts and plates. The method comprises the steps of firstly surveying a site, and designing the heights and other relevant sizes of a foundation layer, an overhanging layer and an operating platform according to the height required by construction. And customizing steel members such as a foundation upright rod, a foundation cross rod, a foundation diagonal brace rod, an overhanging upright rod, an overhanging cross rod and a reinforced diagonal brace rod and plates such as a foundation top plate and an operation bottom plate according to the design in a factory.

2. And (5) transporting to a field for installation. The steel parts and the plates are transported to the field for installation, the structure of a foundation layer can be installed firstly, universal wheels are installed at the bottom of the foundation layer, then the structures of the overhanging layer and the operation platform are installed, then guardrails, ladders and the like can be installed, and a counterweight box body is arranged in the foundation layer and filled with counterweight fillers or counterweights, so that the movable overhanging frame structure is obtained.

Although the present invention has been described to a certain extent, it is apparent that appropriate changes in the respective conditions may be made without departing from the spirit and scope of the present invention. It will be understood that the embodiments described above are exemplary and non-limiting, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Furthermore, any reference signs in the claims shall not be construed as limiting the claim concerned.

Claims

1. A movable cantilever structure is characterized in that the movable cantilever structure comprises a base layer (1) and a cantilever layer (2); a foundation top plate (11) is arranged at the top of the foundation layer (1), a counterweight box body (12) is arranged in the foundation layer, and universal wheels (13) are arranged at the bottom of the foundation layer; the overhanging layer (2) is arranged at the upper part of the basic layer (1), and an operation platform (21) which exceeds the basic layer (1) is arranged in an extending way along the length direction; an operation bottom plate (22) is arranged at the bottom of the operation platform (21), and a guardrail (23) is arranged on the periphery of the operation bottom plate; the foundation layer (1) comprises foundation upright posts (14) and foundation cross bars (15) which are fixedly connected with each other, and foundation diagonal braces (16) are connected between the foundation upright posts (14); the overhanging layer (2) comprises an overhanging vertical rod (24) and an overhanging cross rod (25) which are fixedly connected with each other, and a reinforcing inclined supporting rod (26) is further connected between the overhanging vertical rod (24) and the foundation cross rod (15).

2. The mobile cantilever structure of claim 1, wherein the base uprights (14), the base crossbars (15), the base diagonal braces (16) and the reinforcing diagonal braces (26) are galvanized steel square tubes with a dimension of 50 x 5 mm.

3. The mobile cantilever structure of claim 2, wherein the cantilever uprights (24) and the cantilever crossbars (25) are galvanized steel square tubes with a gauge of 40 x 4 mm.

4. A mobile cantilever structure according to claim 3, wherein the guard rails (23) of the operation platform (21) are made of galvanized steel square tube with a specification of 20 x 2 mm.

5. Mobile cantilever structure according to claim 4, characterized in that the foundation ceiling (11) and the operating floor (22) are fire-retardant plywood, with a thickness of 15-20 mm.

6. A mobile cantilever structure according to claim 5, wherein the wall of the counterweight housing (12) is fire retardant plywood with counterweight filler or counterweight disposed therein.

7. The mobile cantilever structure of claim 6, wherein the fire retardant plywood layer has a thickness of 18 mm.

8. The mobile cantilever structure of any one of claims 1 to 7, wherein the universal wheels (13) are plural and distributed around the bottom of the foundation layer (1).

9. A mobile cantilever structure according to claim 8, wherein the universal wheels (13) are rubber, nylon or polyurethane universal wheels bearing a weight of 250kg or more.