Aerial work platform for nuclear power station

Abstract

The aerial work platform for the nuclear power station comprises a plurality of pairs of embedded supports, a supporting base body and an operation platform, the tops of the embedded supports are provided with connecting planes, and the connecting planes of all the embedded supports are located on the same horizontal plane. The bottom of the supporting base body is attached to and connected with all the connecting planes, and the side wall of the supporting base body is provided with a [-shaped connecting groove in a horizontally-inwards-dug mode so that a horizontally-arranged groove top wall and a vertically-arranged groove bottom wall can be formed; the operation platform comprises a plurality of steel angles, a plurality of supporting rods and a platform plate, the steel angles are perpendicular to the groove bottom wall, and the first side walls of the steel angles are attached to and connected with the groove top wall; one ends of the supporting rods are connected with the second side walls of the angle steel, the other ends of the supporting rods are connected with the groove bottom wall, the first side walls of all the angle steel are located on the same plane to form a working face, and the platform plate is laid and connected to the top of the working face. The operating platform and the supporting system can solve the problems that an existing operating platform and a supporting system for the post-pouring area are high in safety risk, large in cost investment and long in construction period.

Description

Technical Field

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

[0002] During the construction of a nuclear power plant, whether it is a nuclear island sub-item, a conventional island sub-item or other system sub-items, due to the complexity of the system, it is often necessary to leave a post-construction area (cast-in-later area) during the civil engineering construction to reserve space for equipment introduction. For some cast-in-later areas, due to their high setting height and large span, it is necessary to erect a scaffold with a large height and span as an operation platform and support system during conventional construction. This type of scaffold has high safety risks, large cost investment and long construction period. Content of the Utility Model

[0003] The purpose of the utility model is to provide an aerial work platform for a nuclear power plant, so as to solve the problems of high safety risks, large cost investment and long construction period of the existing operation platform and support system for the cast-in-later area.

[0004] The utility model is realized through the following technical solutions:

[0005] An aerial work platform for a nuclear power plant includes multiple pairs of embedded supports, and the embedded supports are used for connecting with the side walls of support columns. A connecting plane is arranged at the top of the embedded supports, and the connecting planes of all the embedded supports are located on the same horizontal plane; a support base, the bottom of the support base is attached to and connected with all the connecting planes, and a U-shaped connecting groove is horizontally dug inwards on the side wall of the support base to form a horizontally arranged groove top wall and a vertically arranged groove bottom wall; an operation platform, the operation platform includes multiple angle steels, multiple struts and a platform plate, the angle steels are vertically arranged with respect to the groove bottom wall, and the first side wall of the angle steel is attached to and connected with the groove top wall; the struts correspond to the angle steels one by one, one end of the strut is connected with the second side wall of the angle steel, and the other end is connected with the groove bottom wall, so that the angle steel, the strut and the groove bottom wall enclose a triangle. The first side walls of all the angle steels are located on the same plane to form a working surface, and the platform plate is laid and connected on the top of the working surface.

[0006] Optionally, the support base includes a pair of main beams and multiple auxiliary beams; the two main beams are horizontally and parallelly arranged, and the two ends of the auxiliary beam are respectively connected with the two main beams to form the cuboid plate-shaped support base; the main beam is a channel steel to form the U-shaped connecting groove horizontally dug inwards.

[0007] Optionally, all the auxiliary beams are arranged in parallel at intervals; the end of the auxiliary beam is fixedly connected with the top surface of the main beam.

[0008] Optionally, the main beam and the auxiliary beam are both H-shaped steels; the bottom surface of the main beam is constructed and fixedly connected to the connecting plane; the bottom surface of the auxiliary beam is constructed and fixedly connected to the top surface of the main beam; and the auxiliary beam is arranged perpendicular to the main beam.

[0009] Optionally, the embedded supports are in two pairs, and each pair of the embedded supports is respectively constructed and fixedly connected to both ends of each main beam.

[0010] Optionally, the operating platform is surrounded by a guardrail.

[0011] Optionally, the guardrail includes multiple longitudinal railings and multiple transverse railings, the longitudinal railings correspond to the angle steels one by one, the bottom ends of the longitudinal railings are vertically connected to the outer ends of the corresponding angle steels, and the transverse railings are connected to the multiple longitudinal railings.

[0012] Optionally, the embedded support includes an embedded plate, a top plate and multiple support plates; the embedded plate is vertically embedded in the support column; the top plate is horizontally arranged and fixedly connected to the top of the embedded plate, and the top surface of the top plate is the connecting plane; the support plate is vertically arranged in the right-angle space between the embedded plate and the top plate, and is respectively arranged perpendicular to the embedded plate and the top plate, and the adjacent two sides of the support plate are respectively fixedly connected to the embedded plate and the top plate.

[0013] Optionally, the support plate is in the shape of a right-angled trapezoidal plate, and the side walls where the two right-angled sides of the support plate are located are fixedly connected to the embedded plate and the top plate respectively, so that the two ends of the hypotenuse of the support plate point to the embedded plate and the top plate respectively.

[0014] Optionally, the platform plate is a metal mesh plate with holes.

[0015] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0016] The aerial work platform for nuclear power plants provided by the utility model forms a fixed platform support point by setting pre-embedded supports, which is convenient for loading and unloading. By setting a support matrix as the main structural support of the work platform, it is erected and connected with the pre-embedded supports. On this basis, a U-shaped connecting groove is dug horizontally inward on its side wall to form a groove top wall and a groove bottom wall, and an operating platform is set. It includes multiple angle steels, multiple struts and a platform plate. The angle steels are connected to the groove top wall to form the framework of the operating platform, and then the outer ends of the angle steels are connected to the groove bottom wall by struts to form a triangular structure. On the one hand, it provides structural support for the angle steels, and on the other hand, it decomposes the pressure generated by the slight bending of the angle steels in both vertical and horizontal directions. On the one hand, the groove top wall pulls the angle steels, and on the other hand, the groove bottom wall supports the angle steels, thus effectively ensuring the support performance of the angle steels. By setting the platform plate to be erected on the working surface formed by the angle steels, an operating platform is formed. Through the mutual cooperation of the above features, the aerial work platform for nuclear power plants has high support performance and structural performance, effectively avoiding safety risks, and the materials used are all conventional building materials. It is not necessary to build layer by layer in the vertical direction, effectively reducing costs, and only needs to erect and fix the support matrix on the pre-embedded supports during construction, effectively shortening the construction period. Description of the Drawings

[0017] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model and form a part of this application, and do not constitute a limitation to the embodiments of the present utility model. In the drawings:

[0018] Figure 1 is a schematic diagram of the aerial work platform for nuclear power plants provided by the embodiments of the present utility model;

[0019] Figure 2 is a schematic diagram of the pre-embedded support of the aerial work platform for nuclear power plants provided by the embodiments of the present utility model.

[0020] Marks in the drawings and corresponding component names:

[0021] 10 - Pre-embedded support; 101 - Pre-embedded plate; 102 - Top plate; 103 - Support plate; 11 - Connection plane; 20 - Support matrix; 201 - Main beam; 202 - Auxiliary beam; 21 - Connection groove; 211 - Groove top wall; 212 - Groove bottom wall; 30 - Angle steel; 31 - Strut; 32 - Platform plate; 40 - Longitudinal railing; 41 - Transverse railing. Detailed Embodiments

[0022] To make the objectives, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to embodiments and the accompanying drawings. The illustrative embodiments and descriptions thereof of the present utility model are only used to explain the present utility model and shall not be construed as limiting the present utility model.

[0023] Embodiment

[0024] Please refer to Figure 1 and Figure 2 , this embodiment provides an aerial work platform for a nuclear power plant, which includes multiple pairs of embedded supports 10. The embedded supports 10 are used to connect with the side wall of the support column. A connection plane 11 is provided at the top of the embedded support 10, and the connection planes 11 of all the embedded supports 10 are located on the same horizontal plane. Secondly, it includes a support base 20. The bottom of the support base 20 is attached to and connected with all the connection planes 11. A U-shaped connection groove 21 is horizontally dug inward on the side wall of the support base 20 to form a horizontally arranged groove top wall 211 and a vertically arranged groove bottom wall 212. Thirdly, it includes an operation platform. The operation platform includes multiple angle steels 30, multiple struts 31 and a platform plate 32. The angle steels 30 are vertically arranged with respect to the groove bottom wall 212, and the first side wall of the angle steels 30 is attached to and connected with the groove top wall 211. The struts 31 correspond to the angle steels 30 one by one. One end of the strut 31 is connected with the second side wall of the angle steel 30, and the other end is connected with the groove bottom wall 212, so that the angle steel 30, the strut 31 and the groove bottom wall 212 enclose to form a triangle. The first side walls of all the angle steels 30 are located on the same plane to form a working surface, and the platform plate 32 is laid and connected on the top of the working surface.

[0025] The aerial work platform for nuclear power plants provided in this embodiment forms a fixed platform support point by setting the embedded support 10, which is convenient for loading and unloading. By setting the support base body 20 as the main structure support of the work platform, it is erected and connected with the embedded support 10. On this basis, a U-shaped connecting groove 21 is dug horizontally inward on its side wall to form a groove top wall 211 and a groove bottom wall 212, and an operation platform is set. It is set to include multiple angle steels 30, multiple struts 31 and a platform board 32. The angle steels 30 are connected with the groove top wall 211 to form the framework of the operation platform, and then the outer ends of the angle steels 30 are connected with the groove bottom wall 212 by using the struts 31 to form a triangular structure. On the one hand, it structurally supports the angle steels 30, and on the other hand, it decomposes the pressure generated by the slight bending of the angle steels 30 in both vertical and horizontal directions. On the one hand, the groove top wall 211 pulls the angle steels 30, and on the other hand, the groove bottom wall 212 supports the angle steels 30, so as to effectively ensure the support performance of the angle steels 30. By setting the platform board 32, it is erected on the working surface formed by the angle steels 30 to form an operation platform. Through the mutual cooperation of the above features, the aerial work platform for nuclear power plants has high support performance and structural performance, effectively avoids safety risks, and the materials used are all conventional building materials. It is not necessary to build layer by layer in the vertical direction, effectively reducing costs, and only needs to erect and fix the support base body on the embedded support during construction, effectively shortening the construction period.

[0026] In order to further explain the specific structure of the support base body 20, the support base body 20 includes a pair of main beams 201 and multiple auxiliary beams 202; the two main beams 201 are arranged horizontally and parallelly, and the two ends of the auxiliary beams 202 are respectively connected with the two main beams 201 to form the cuboid plate-shaped support base body 20; the main beams 201 are channel steels to form the U-shaped connecting groove 21 dug horizontally inward.

[0027] In order to further improve the stability of the structure, all the auxiliary beams 202 are arranged in parallel at intervals; the ends of the auxiliary beams 202 are fixedly connected with the top surfaces of the main beams 201.

[0028] In order to further improve the structural performance and support performance of the main beams 201 and the auxiliary beams 202, the main beams 201 and the auxiliary beams 202 are both H-shaped steels; the bottom surfaces of the main beams 201 are erected and fixedly connected with the connecting plane 11; the bottom surfaces of the auxiliary beams 202 are erected and fixedly connected with the top surfaces of the main beams 201; the auxiliary beams 202 are perpendicular to the main beams 201.

[0029] In order to facilitate erection, there are two pairs of the embedded supports 10, and each pair of the embedded supports 10 is respectively erected and fixedly connected with the two ends of each main beam 201.

[0030] In order to protect the operating personnel, the operating platform is surrounded by guardrails.

[0031] In order to further explain the specific structure of the guardrail, the guardrail includes a plurality of longitudinal rails 40 and a plurality of transverse rails 41, the longitudinal rails 40 correspond one to one with the angle steels 30, the bottom ends of the longitudinal rails 40 are vertically connected to the outer ends of the corresponding angle steels 30, and the transverse rails 41 are connected to the plurality of longitudinal rails 40.

[0032] In order to further explain the specific structure of the embedded support 10, the embedded support 10 includes an embedded plate 101, a top plate 102 and a plurality of support plates 103; the embedded plate 101 is vertically embedded in the support column; the top plate 102 is horizontally arranged and fixedly connected to the top of the embedded plate 101, and the top surface of the top plate 102 is the connecting plane 11; the support plate 103 is vertically arranged in the right angle space between the embedded plate 101 and the top plate 102, and is respectively perpendicularly arranged to the embedded plate 101 and the top plate 102, and the adjacent two sides of the support plate 103 are respectively fixedly connected to the embedded plate 101 and the top plate 102.

[0033] In order to further explain the specific structure of the support plate 103, the support plate 103 is in the shape of a right-angled trapezoidal plate, and the side walls where the two right-angled sides of the support plate 103 are located are fixedly connected to the embedded plate 101 and the top plate 102 respectively, so that the two ends of the hypotenuse of the support plate 103 point to the embedded plate 101 and the top plate 102 respectively.

[0034] Preferably, the platform plate 32 is a metal mesh plate with holes.

[0035] 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. An aerial work platform for a nuclear power plant, characterized in that: Comprising: Multiple pairs of embedded supports (10), the embedded supports (10) being used for connecting to the side wall of a support column, a connecting plane (11) being provided at the top of the embedded supports (10), and the connecting planes (11) of all the embedded supports (10) being located on the same horizontal plane; A support base body (20), the bottom of the support base body (20) being attached to and connected to all the connecting planes (11), and a U-shaped connecting groove (21) being horizontally and inwardly dug in the side wall of the support base body (20) to form a horizontally arranged groove top wall (211) and a vertically arranged groove bottom wall (212); An operating platform, the operating platform comprising multiple angle steels (30), multiple struts (31) and a platform plate (32), the angle steels (30) being vertically arranged with respect to the groove bottom wall (212), and a first side wall of the angle steels (30) being attached to and connected to the groove top wall (211); the struts (31) corresponding to the angle steels (30) one by one, one end of the struts (31) being connected to a second side wall of the angle steels (30), and the other end being connected to the groove bottom wall (212), so that the angle steels (30), the struts (31) and the groove bottom wall (212) enclose a triangle, and the first side walls of all the angle steels (30) being located on the same plane to form a working surface, and the platform plate (32) being laid and connected to the top of the working surface.

2. The aerial work platform for a nuclear power plant according to claim 1, characterized in that: The support base body (20) comprises a pair of main beams (201) and multiple auxiliary beams (202); The two main beams (201) are horizontally and parallelly arranged, and the two ends of the auxiliary beams (202) are respectively connected to the two main beams (201) to form the cuboid plate-shaped support base body (20); The main beams (201) are channel steels to form the U-shaped connecting groove (21) dug horizontally and inwardly.

3. The aerial work platform for a nuclear power plant according to claim 2, characterized in that: All the auxiliary beams (202) are arranged in parallel at intervals; The ends of the auxiliary beams (202) are fixedly connected to the top surfaces of the main beams (201).

4. The aerial work platform for a nuclear power plant according to claim 3, characterized in that: Both the main beams (201) and the auxiliary beams (202) are H-shaped steels; The bottom surface of the main beam (201) is erected and fixedly connected to the connecting plane (11); The bottom surface of the auxiliary beam (202) is erected and fixedly connected to the top surface of the main beam (201); The auxiliary beam (202) is vertically arranged with respect to the main beam (201).

5. The aerial work platform for a nuclear power plant according to claim 4, characterized in that: There are two pairs of the embedded supports (10), and each pair of the embedded supports (10) is respectively erected and fixedly connected to the two ends of each main beam (201).

6. The aerial work platform for a nuclear power plant according to claim 1, characterized in that: The operating platform is surrounded by a guardrail.

7. The aerial work platform for a nuclear power plant according to claim 6, characterized in that: The guardrail comprises multiple longitudinal railings (40) and multiple transverse railings (41), the longitudinal railings (40) corresponding to the angle steels (30) one by one, the bottom ends of the longitudinal railings (40) being vertically connected to the outer ends of the corresponding angle steels (30), and the transverse railings (41) being connected to the multiple longitudinal railings (40).

8. The aerial work platform for a nuclear power plant according to any one of claims 1 to 7, characterized in that: The embedded support (10) comprises an embedded plate (101), a top plate (102) and multiple support plates (103); The embedded plate (101) is vertically embedded in the support column; The top plate (102) is arranged horizontally and is fixedly connected to the top of the embedded plate (101), and the top surface of the top plate (102) is the connection plane (11); The support plate (103) is vertically arranged in a right angle space between the embedded plate (101) and the top plate (102), and is respectively arranged perpendicularly to the embedded plate (101) and the top plate (102); and adjacent two sides of the support plate (103) are respectively fixedly connected to the embedded plate (101) and the top plate (102).

9. The aerial work platform for a nuclear power plant according to claim 8, characterized in that: The support plate (103) is in the shape of a right-angled trapezoidal plate, and the side walls where the two right-angled sides of the support plate (103) are located are respectively fixedly connected to the embedded plate (101) and the top plate (102), so that the two ends of the oblique side of the support plate (103) point to the embedded plate (101) and the top plate (102), respectively.

10. The aerial work platform for a nuclear power plant according to claim 1, characterized in that: The platform plate (32) is a metal mesh plate with holes.

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