CN215254491U

CN215254491U - Improved cantilever scaffold bearing member

Info

Publication number: CN215254491U
Application number: CN202120282515.0U
Authority: CN
Inventors: 林子军; 林守忠; 刘圣阶; 何志钢; 周剑波; 林露; 吕鸣光; 李法青; 王黎峰; 徐向红
Original assignee: Zhejiang Chengjian Construction Group Co ltd
Current assignee: Zhejiang Chengjian Construction Group Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-21
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to a construction technical field, concretely relates to modified scaffold frame load member of encorbelmenting. The novel foldable backboard comprises a backboard body, wherein an extension frame is fixedly arranged on one side of the backboard body, and a reinforcing assembly is arranged between the backboard body and the extension frame. To the load member not light enough under the prerequisite that improves the bearing capacity, the structure is complicated relatively, the higher technical problem of cost, the utility model provides a modified scaffold frame load member that encorbelments, it is mainly formed by bolt hole backplate, horizontal stiffener, vertical stiffener and extension frame connection combination, and each part scientific and reasonable makes up, and the part has formed the rigid domain, has improved the bearing capacity and the security of component greatly.

Description

Improved cantilever scaffold bearing member

Technical Field

The utility model relates to a construction technical field, concretely relates to modified scaffold frame load member of encorbelmenting.

Background

1. The forest keen is described in a paper of development and research of novel bearing members of an external cantilever frame for building construction, and the bearing members of the conventional cantilever scaffold are mainly represented in the aspect of unreasonable reasonability: (1) the installation of the cantilever member of the conventional cantilever frame needs to pass through a structure, no matter the steel section installation holes are pre-buried or reserved at the positions of a shear wall, an upturning beam and the like, the horizontal steel bars need to be cut off, the local structure is damaged, finally, a hole opening needs to be repaired, and cracks and water leakage hidden dangers are easily generated. (2) When the overhanging component can not be supported at the overhanging part of the structure at the balcony, the bay window and the like, the section steel stretches into the interior of the building to be very long, and the overhanging component is fixed by the embedded compression ring and is wedged tightly by adopting a wood wedge, so that the material consumption is large. (3) The conventional cantilever scaffold is inconvenient to arrange at the corner of a building, and in order to meet the requirement, a cantilever member needs to be stretched into the building, so that the material consumption is large, a local structure is damaged, the internal space is occupied, and the construction of the next procedure is hindered; if the cantilever component is arranged by avoiding the corner post, the cantilever component needs to be supported by a complex force transmission mechanism, and the stress is difficult to ensure reasonable. (4) In order to ensure safety, the bottom of the conventional cantilever frame needs to be subjected to full-closed treatment, so that the material consumption is large, the loss rate is high, and the maintenance workload is large.

2. According to the research conclusion of the thesis of forest keen in 'development and research of novel bearing component of cantilever outside construction' the construction, no matter draw materials, connection method with the building, structure, stress performance and the like, the improvement space is provided, the utility model discloses take up the research result of the thesis, combine engineering experience and operation requirement, improve the component more lightly, the structure is simpler, the bearing capacity is higher, and stability is better.

According to the conclusion of relevant tests in the treatise on development and research on novel bearing components of the cantilever frame for building construction, the similar components of the patent CN201420447909.7 lack vertical stiffening steel plates and horizontal stiffening steel plates, belong to brittle components, are not suitable for bearing, and have safety risks.

3. According to the relevant research in the treatise on development and research of novel bearing components of the cantilever frame for building construction, the similar components of patent CN201510510391.6 and the like are proved that because only vertical stiffening steel plates are arranged and horizontal stiffening steel plates are not arranged, the tail ends of the vertical stiffening steel plates connected with the section steel are in point connection, the stress concentration effect can be generated, a rigid domain is difficult to form, the component safety is reduced, and because the horizontal stiffening steel plates are lacked, the out-of-plane stability is the same as that of the common section steel.

The above background shows that the bearing member is not light enough on the premise of improving the bearing capacity, the structure is relatively complex, and the cost is high.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To the load member not light enough under the prerequisite that improves the bearing capacity, the structure is complicated relatively, the higher technical problem of cost, the utility model provides a modified scaffold frame load member that encorbelments, it is mainly formed by bolt hole backplate, horizontal stiffener, vertical stiffener and extension frame connection combination, and each part scientific and reasonable makes up, and the part has formed the rigid domain, has improved the bearing capacity and the security of component greatly.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the utility model provides a modified scaffold frame load member that encorbelments, includes the backplate, backplate one side is fixed to be provided with and extends the frame, be provided with between backplate and the extension frame and strengthen the subassembly.

Optionally, the back plate is provided with a plurality of pairs of back plate bolt holes.

Optionally, the backplate bolt holes are provided at a minimum allowable range from the backplate edge.

Optionally, the extension frame is centrally disposed on the back plate, and the flange of the extension frame is connected with one end of the back plate in a flush manner.

Optionally, the reinforcing assembly includes a vertical stiffening plate, one end of the vertical stiffening plate is centrally fixed on the back plate, the other end of the vertical stiffening plate is fixedly arranged at a position on the extending frame aligned with the web, and the vertical stiffening plate is mounted on the back plate in a forward direction or is mounted on the back plate in a reverse direction.

Optionally, when the vertical stiffener is positively installed on the back plate, the vertical stiffener is disposed on the upper side of the extension frame.

Optionally, when the vertical stiffener is reversely mounted on the back plate, the vertical stiffener is disposed at the lower side of the extension frame.

Optionally, a horizontal stiffening plate is fixedly arranged on one side, away from the extension frame, of the vertical stiffening plate, the vertical stiffening plate is aligned with the central axis of the horizontal stiffening plate, the upper end of the horizontal stiffening plate is connected with the back plate, and the lower end of the horizontal stiffening plate is connected with the flange of the extension frame.

Optionally, the back plate, the vertical stiffening plate, the horizontal stiffening plate and the extension frame are made of metal materials, polymer materials or composite materials.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

this scheme backplate and extend and rationally combine fixedly through strengthening the subassembly between the frame for the part has formed the rigid domain, makes the component have higher bearing capacity and security.

Drawings

Fig. 1 is a schematic front view of a force-bearing member of an improved overhanging scaffold according to an embodiment of the present invention;

fig. 2 is a schematic top view of a force-bearing member of an improved cantilever scaffold according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line 1-1 of FIG. 1;

fig. 4 is a schematic view of reverse installation of an improved overhanging scaffold load-bearing member according to an embodiment of the present invention;

fig. 5 is a schematic view of forward installation of an improved overhanging scaffold load-bearing member according to an embodiment of the present invention.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.

Example 1

With reference to fig. 1-5, the embodiment provides an improved overhanging scaffold load-bearing member, which includes a back plate 100, an extension frame 103 fixedly disposed on one side of the back plate 100, and a reinforcing assembly 10 disposed between the back plate 100 and the extension frame 103.

The extension frame 103 can be made of section steel, and the back plate 100 and the extension frame 103 are reasonably combined and fixed through the reinforcing assembly 10, so that a rigid domain is formed locally, and the member has high bearing capacity and safety.

As an alternative embodiment of the present embodiment, the back plate 100 is provided with several pairs of back plate bolt holes 104. Through set up a plurality of pairs of backplate bolt hole 104 on backplate 100 for backplate 100 can be fixed in on the wall body through backplate bolt hole 104 by the bolt, backplate bolt hole 104 is provided with a plurality of pairs, makes fixed effect better.

As an alternative embodiment of the present embodiment, the back plate bolt holes 104 are disposed at the minimum allowable range from the edge of the back plate 100. The relevant specifications require that the bolt holes have an allowable size requirement from the edge of the plane, and the backboard bolt holes 104 are arranged at the minimum allowable range from the edge of the backboard 100, so that after the backboard 100 is installed through the bolt pair, the maximum bearing capacity is ensured under the same size, that is, under the same bearing capacity requirement, the backboard 100 can be designed to be smaller.

As an alternative embodiment of this embodiment, the extension frame 103 is centrally disposed on the backboard 100, and the flange of the extension frame 103 is connected flush with one end of the backboard 100. The extension frame 103 is arranged on the back plate 100 in the middle, and the flange of the extension frame 103 is connected with one end of the back plate 100 in a flush manner, so that the structure formed by the extension frame 103 and the back plate 100 has better bearing capacity, and the integral bearing capacity and stability of the component are improved.

Example 2

The embodiment provides an improved overhanging scaffold bearing member, and the following improvements can be made on the basis of the embodiment 1: the reinforcing assembly 10 comprises a vertical stiffening plate 101, one end of the vertical stiffening plate 101 is centrally fixed on the back plate 100, the other end of the vertical stiffening plate 101 is fixedly arranged at the position, aligned with the web, of the extending frame 103, the vertical stiffening plate 101 is installed on the back plate 100 in the forward direction, or the vertical stiffening plate 101 is installed on the back plate 100 in the reverse direction.

One end of the vertical stiffening plate 101 is fixed on the back plate 100 in the middle, the other end of the vertical stiffening plate is fixedly arranged at the position, aligned with the web, of the extension frame 103, so that the reinforcing assembly 10 is formed, a rigid domain is formed locally by utilizing the vertical stiffening plate 101, the bearing capacity and the safety of the component are greatly improved, and the vertical stiffening plate 101 can be selected to be installed on the back plate 100 in a positive mode or in a reverse mode according to actual construction requirements.

As an optional implementation manner of this embodiment, when the vertical stiffener 101 is installed on the back plate 100 in the forward direction, the vertical stiffener 101 is disposed on the upper side of the extension frame 103. The vertical stiffening plate 101 is arranged on the upper side of the extension frame 103, so that the vertical stiffening plate 101 is suitable for occasions needing to provide tension for the extension frame 103.

As an optional implementation manner of this embodiment, when the vertical stiffener 101 is reversely installed on the back plate 100, the vertical stiffener 101 is disposed at the lower side of the extension frame 103. The vertical stiffening plate 101 is arranged at the lower side of the extension frame 103, and is suitable for occasions where the vertical stiffening plate 101 is required to provide supporting force for the extension frame 103.

As an optional implementation manner of this embodiment, a horizontal stiffening plate 102 is fixedly disposed on one side of the vertical stiffening plate 101, which is far away from the extension frame 103, the central axis of the vertical stiffening plate 101 is aligned with the central axis of the horizontal stiffening plate 102, the upper end of the horizontal stiffening plate 102 is connected to the back plate 100, and the lower end of the horizontal stiffening plate 102 is connected to the flange of the extension frame 103. The horizontal stiffening plate 102 is fixedly arranged on one side of the vertical stiffening plate 101, and the stress concentration effect at the tail end of the vertical stiffening plate is eliminated by the horizontal stiffening plate 102, so that the unstable unfavorable cross section of the extension frame extends outwards, and the out-of-plane stability of the component is increased.

As an optional implementation manner of this embodiment, the back plate 100, the vertical stiffener plate 101, the horizontal stiffener plate 102, and the extension frame 103 are made of metal materials, polymer materials, or composite materials, such as metal materials of steel, aluminum, or the like, or polymer materials of plastic, rubber, or the like, or composite materials such as glass fiber reinforced plastics and the like. The corresponding back plate 100, the vertical stiffening plate 101, the horizontal stiffening plate 102 and the extension frame 103 are manufactured according to the properties of different materials, and a single material can be selected to form an integrated structure, or different materials can be combined with each other to match the actual construction requirements.

As an optional implementation manner of this embodiment, the extension frame 103 may be made of i-shaped steel, H-shaped steel, or the like, and in the face of different usage scenarios, the extension frame 103 is made of section steel with different sections, so as to meet actual construction requirements.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. An improved force bearing component of an overhanging scaffold is characterized by comprising a back plate, wherein an extension frame is fixedly arranged on one side of the back plate, and a reinforcing assembly is arranged between the back plate and the extension frame; the reinforcing component is sized to match the size of the extension frame,

the reinforcing assembly comprises a vertical reinforcing plate, one end of the vertical reinforcing plate is centrally fixed on the back plate, the other end of the vertical reinforcing plate is fixedly arranged on the extending frame and aligned with the web plate, and the vertical reinforcing plate is arranged on the back plate in the forward direction or is arranged on the back plate in the reverse direction;

one side, far away from the extension frame, of each vertical stiffening plate is fixedly provided with a horizontal stiffening plate, the vertical stiffening plate is aligned to the central axis of the horizontal stiffening plate, the upper end of the horizontal stiffening plate is connected with the back plate, and the lower end of the horizontal stiffening plate is connected with the flange of the extension frame.

2. An improved cantilevered scaffold strength member as claimed in claim 1 wherein said back plate is provided with pairs of back plate bolt holes.

3. An improved cantilevered scaffold messenger according to claim 2 wherein the back plate bolt holes are provided at a minimum allowable range from the back plate edge.

4. The improved outrigger scaffold strength member as claimed in claim 1 wherein the extension frame is centrally located on the back plate and the flange of the extension frame is flush attached to one end of the back plate.

5. The improved overhanging scaffold strength member as claimed in claim 1, wherein the vertical stiffener is disposed on the upper side of the extension frame when the vertical stiffener is positively mounted on the back plate.

6. The improved overhanging scaffold strength member as claimed in claim 1 wherein the vertical stiffener is disposed on the underside of the extension frame when the vertical stiffener is mounted in reverse on the back plate.

7. The improved cantilever scaffold force-bearing component of claim 1, wherein the back plate, the vertical stiffening plate, the horizontal stiffening plate and the extension frame are made of metal materials, high polymer materials or composite materials.