Aerial work platform for nuclear power station

Abstract

The utility model discloses an aerial work platform for a nuclear power station, and belongs to the technical field of constructional engineering. Comprising an embedded part, an embedded supporting part and a connecting supporting assembly. The pre-embedded supporting pieces are correspondingly installed on the pre-embedded pieces, and the four corners of the connecting supporting assembly are correspondingly installed on the pre-embedded supporting pieces; the connecting and supporting assembly comprises a connecting steel plate, a supporting steel bar, a supporting rib, a protective fence and a steel mesh operation plate. According to the aerial work platform for the nuclear power station, the pre-embedded supporting pieces are installed on the pre-embedded pieces to provide a safety foundation for connecting the supporting assemblies, H-shaped steel is adopted, the aerial work platform has higher strength and stability, a welding mode is adopted at the connecting position, and connection is firmer. Constructors work on the steel mesh operation plate, and safety and reliability are high. In order to improve the construction safety, a protective fence is further arranged, and the construction risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to an aerial work platform for a nuclear power plant. Background Art

[0002] During the construction of a nuclear power plant, whether it is the nuclear island sub-item, the conventional island sub-item or other system sub-items, due to the complexity of the system, it is often necessary to reserve a post-construction area (post-pouring area) during the civil construction process to reserve space for the introduction of equipment. Some post-pouring areas have a high reserved height and a large span. During conventional construction, it is necessary to set up a high, span and large scaffolding as an operating platform and support system, which often results in high safety risks, large investment in manpower, materials and machinery, and a long construction period. Utility Model Content

[0003] The utility model aims to provide an aerial work platform for a nuclear power plant to solve the problem of inconvenience in construction of the existing aerial work platform.

[0004] The technical solution of the utility model to solve the above technical problems is as follows:

[0005] A high-altitude work platform for a nuclear power plant, comprising: embedded parts, embedded support parts and connecting support components;

[0006] The embedded support member is correspondingly mounted on the embedded member, and the four corners of the connecting support assembly are correspondingly mounted on the embedded support member;

[0007] The connecting support assembly includes: a connecting steel plate, supporting steel bars, supporting ribs, a guardrail and a steel mesh operating panel; two of the connecting steel plates are horizontally spaced apart, and a plurality of the supporting steel bars are evenly spaced and vertically arranged on the connecting steel plates; supporting ribs are spaced apart on the outer sides of the connecting steel plates, and the guardrails are vertically arranged at the ends of the supporting ribs; a steel mesh operating panel is arranged between the supporting ribs and the guardrails.

[0008] Furthermore, in the aerial work platform for a nuclear power plant, the guardrail is arranged in a U-shape around the supporting ribs.

[0009] Further, in the aerial work platform for a nuclear power plant, the guardrail comprises: a guardrail and a guard post;

[0010] The ends of the plurality of protection poles are respectively arranged vertically at the ends of the corresponding support ribs, and the protection railings are arranged horizontally at the ends of the plurality of protection poles.

[0011] Furthermore, in the aerial work platform for a nuclear power plant, the guardrail is horizontally arranged in the middle of the plurality of guard posts.

[0012] Furthermore, in the aerial work platform for a nuclear power plant, a dense mesh is provided between the guardrail and the upright pole.

[0013] Further, in the aerial work platform for nuclear power plant, the embedded support member comprises: an embedded steel plate, a support steel plate and a shear plate;

[0014] The embedded steel plate is arranged at the lower end of the supporting steel plate, a plurality of shear plates are arranged at intervals below the supporting steel plate, and the ends of the shear plates are arranged on the embedded steel plate;

[0015] The embedded steel plate is installed on the embedded part, and the four corners of the connecting support assembly are correspondingly installed on the support steel plate.

[0016] Furthermore, in the aerial work platform for a nuclear power plant, the cross-section of the shear plate is a right-angled trapezoid, and the right-angled sides of the shear plate are respectively installed on the embedded steel plate and the supporting steel plate.

[0017] Furthermore, in the aerial work platform for a nuclear power plant, the four corners of the connecting support assembly are correspondingly mounted on the supporting steel plate through diagonal braces.

[0018] Furthermore, in the aerial work platform for a nuclear power plant, the number of the shear plates is 3.

[0019] Furthermore, in the aerial work platform for a nuclear power plant, a protective limit block for fixing the steel mesh operating panel is provided on the upper side of the end of the supporting rib.

[0020] The utility model has the following beneficial effects:

[0021] The aerial work platform for nuclear power plants provided by the utility model is installed on the embedded parts by the embedded parts to provide a safe foundation for connecting the support components. H-shaped steel is used, which has higher strength and stability. The connection is welded, and the connection is more firm. The construction personnel work on the steel mesh operation board, which is safe and reliable. In order to improve the construction safety, a guardrail is also set to reduce the construction risk. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

[0023] Figure 1 A schematic diagram of the structure of the aerial work platform for a nuclear power plant provided by the utility model;

[0024] Figure 2 The utility model is a schematic structural diagram of the embedded support components in the aerial work platform for nuclear power plants provided by the utility model.

[0025] Marks and corresponding parts names in the attached drawings:

[0026] In the figure: 1-embedded parts, 2-embedded supporting parts, 21-embedded steel plates, 22-supporting steel plates, 23-shear plates, 3-connecting supporting components, 31-connecting steel plates, 32-supporting steel bars, 33-supporting ribs, 34-guardrails, 341-guardrails, 342-guardposts, 343-dense mesh, 35-steel mesh operating panels, 4-diagonal braces. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The aerial work platform for nuclear power plants provided by the utility model has high safety and reliability, is reusable, and reduces aerial work. It can be prefabricated in advance to reduce the amount of scaffolding used in the construction process, reduce costs, and shorten construction periods. It is particularly suitable for the application of post-casting construction technology in conventional island frame beams and other areas.

[0030] Example

[0031] Please refer to Figure 1 and 2 , an aerial work platform for a nuclear power plant provided by an embodiment of the utility model comprises: an embedded part 1, an embedded support part 2 and a connecting support assembly 3;

[0032] The embedded support member 2 is correspondingly installed on the embedded member 1, and the four corners of the connecting support assembly 3 are correspondingly installed on the embedded support member 2;

[0033] The connecting and supporting component 3 includes: a connecting steel plate 31, supporting steel bars 32, supporting ribs 33, a guardrail 34, and a steel mesh operation plate 35; two connecting steel plates 31 are arranged horizontally at intervals, a plurality of supporting steel bars 32 are vertically arranged at equal intervals on the connecting steel plate 31, and both ends of the supporting steel bars 32 are fixed on the connecting steel plate 31; supporting ribs 33 are arranged at intervals on the outer side of the connecting steel plate 31, and a guardrail 34 is vertically arranged at the end of the supporting ribs 33; a steel mesh operation plate 35 is arranged between the supporting ribs 33 and the guardrail 34.

[0034] For the aerial work platform for nuclear power plants provided by the present utility model, the embedded support member 2 is installed on the embedded part 1 to provide a safety foundation for the connecting and supporting component 3. The connecting steel plate 31, the supporting steel bars 32, and the supporting ribs 33 are all made of H-shaped steel, which has higher strength and stability. The connection part adopts a welding method, and the connection is more firm. Construction workers operate on the steel mesh operation plate 35, and the safety and reliability are high. In order to improve the construction safety, a guardrail 34 is also provided to reduce the construction risk.

[0035] The aerial work platform for nuclear power plants provided by the present utility model has high safety and reliability, can be reused, and reduces aerial work; through advance planning and prefabrication, the amount of scaffolding used during construction can be reduced, the cost can be reduced, and the construction period can be shortened, which is particularly suitable for the construction technology application in the post-cast areas such as the conventional island frame beams.

[0036] For the aerial work platform for nuclear power plants provided by the present utility model, through force analysis software for modeling and calculation, the embedded part 1, the embedded support member 2, and the connecting and supporting component 3 that meet the construction load requirements are obtained. During construction, the embedded part 1 is installed in advance, the embedded support member 2 is installed on the embedded part 1, and the connecting and supporting component 3 is installed during the subsequent post-cast area construction.

[0037] For the aerial work platform for nuclear power plants provided by the present utility model, through the combined use of the embedded part 1, the embedded support member 2, and the connecting and supporting component 3, the safety risk can be greatly reduced, and the safety risk of the erection and dismantling of large-height and large-span scaffolding can be reduced. This aerial work platform can greatly save costs and construction period. The entire platform is simple and safe in construction, and the operation platform is wider, making the construction more convenient.

[0038] In some feasible ways, the guardrail 34 is arranged around the supporting ribs 33 in a U-shape. The U-shaped guardrail 34 surrounds the supporting ribs 33. In order to improve the construction safety and reduce the construction risk.

[0039] In some feasible ways, the guardrail 34 includes: guardrail posts 341 and guardrail uprights 342;

[0040] The ends of the plurality of protection poles 342 are respectively arranged vertically at the ends of the corresponding support ribs 33, and the protection railings 341 are arranged horizontally at the ends of the plurality of protection poles 342. The protection railings 341 and the protection poles 342 constitute the protection railing 34, which has a simple structure, is safe and convenient.

[0041] In some feasible embodiments, the guardrail 341 is horizontally arranged in the middle of the plurality of guardrail posts 342 , which can improve the firmness of the guardrail 34 .

[0042] In some feasible ways, a dense mesh 343 is further provided between the guardrail 341 and the upright pole. The provision of the dense mesh 343 can improve the protection effect and improve the safety.

[0043] In some feasible embodiments, the embedded support member 2 includes: an embedded steel plate 21, a support steel plate 22 and a shear plate 23;

[0044] The embedded steel plate 21 is arranged at the lower end of the supporting steel plate 22, and a plurality of shear plates 23 are arranged at intervals below the supporting steel plate 22, and the ends of the shear plates 23 are arranged on the embedded steel plate 21;

[0045] The embedded steel plate 21 is installed on the embedded part 1, and the four corners of the connecting support assembly 3 are correspondingly installed on the supporting steel plate 22. The provision of the embedded support member 2 can improve the installation firmness on the embedded part 1 and improve the connection firmness with the connecting support assembly 3.

[0046] In some feasible embodiments, the cross section of the shear plate 23 is a right-angled trapezoid, and the right-angled sides of the shear plate 23 are respectively installed on the embedded steel plate 21 and the supporting steel plate 22. The right-angled trapezoidal shear plate 23 has higher strength and rigidity and better shear resistance.

[0047] In some feasible ways, the four corners of the connecting support assembly 3 are correspondingly installed on the supporting steel plate 22 through the diagonal brace 4. The diagonal brace 4 is made of I-shaped steel with high strength. The diagonal brace 4 is connected and installed more conveniently.

[0048] In some feasible embodiments, the number of the shear plates 23 is 3. The three shear plates 23 are evenly arranged below the supporting steel plate 22, so that the force is more evenly applied.

[0049] In some feasible embodiments, a protective stopper for fixing the steel mesh operating plate 35 is provided on the upper side of the end of the support rib 33. The protective stopper is used to fix the steel mesh operating plate 35 to prevent the steel mesh operating plate 35 from moving, thereby further improving construction safety.

[0050] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-altitude work platform for a nuclear power plant, characterized in that: include: Embedded parts (1), embedded support parts (2) and connecting support components (3); The embedded support component (2) is correspondingly mounted on the embedded component (1), and the four corners of the connecting support assembly (3) are correspondingly mounted on the embedded support component (2); The connection support assembly (3) comprises: a connection steel plate (31), a support steel bar (32), a support rib (33), a guardrail (34) and a steel mesh operating panel (35); the two connection steel plates (31) are arranged in parallel and at intervals, and a plurality of the support steel bars (32) are evenly and vertically arranged on the connection steel plates (31); support ribs (33) are arranged at intervals on the outer sides of the connection steel plates (31), and the guardrail (34) is vertically arranged at the end of the support rib (33); and the steel mesh operating panel (35) is arranged between the support rib (33) and the guardrail (34).

2. The aerial work platform for a nuclear power plant according to claim 1, characterized in that: The guardrail (34) is arranged in a U-shape around the supporting rib (33).

3. The aerial work platform for a nuclear power plant according to claim 2, characterized in that: The guardrail (34) comprises: a guardrail (341) and a guard upright (342); The ends of the plurality of protective upright poles (342) are respectively arranged vertically at the ends of the corresponding supporting ribs (33), and the protective railing (341) is arranged horizontally at the ends of the plurality of protective upright poles (342).

4. The aerial work platform for a nuclear power plant according to claim 3, characterized in that: The protective railing (341) is horizontally arranged in the middle of the plurality of protective upright poles (342).

5. The aerial work platform for a nuclear power plant according to claim 3, characterized in that: A dense mesh (343) is also provided between the guardrail (341) and the upright pole.

6. The aerial work platform for a nuclear power plant according to claim 1, characterized in that: The embedded support member (2) comprises: an embedded steel plate (21), a support steel plate (22) and a shear plate (23); The embedded steel plate (21) is arranged at the lower end of the supporting steel plate (22), a plurality of shear plates (23) are arranged at intervals below the supporting steel plate (22), and the ends of the shear plates (23) are arranged on the embedded steel plate (21); The embedded steel plate (21) is mounted on the embedded component (1), and the four corners of the connecting support assembly (3) are correspondingly mounted on the supporting steel plate (22).

7. The aerial work platform for a nuclear power plant according to claim 6, characterized in that: The cross section of the shear plate (23) is a right-angled trapezoid, and the right-angled sides of the shear plate (23) are respectively mounted on the embedded steel plate (21) and the supporting steel plate (22).

8. The aerial work platform for a nuclear power plant according to claim 6, characterized in that: The four corners of the connecting support assembly (3) are correspondingly mounted on the supporting steel plate (22) via diagonal braces (4).

9. The aerial work platform for a nuclear power plant according to claim 6, characterized in that: The number of the shear plates (23) is 3.

10. The aerial work platform for a nuclear power plant according to claim 1, characterized in that: A protective limit block for fixing the steel mesh operating plate (35) is provided on the upper side of the end of the supporting rib (33).

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