Novel pedestrian trestle used for offshore wind power installation platform

Abstract

The utility model discloses a novel pedestrian trestle used for an offshore wind power installation platform. The novel pedestrian trestle comprises a trestle body, wherein the two ends of the trestle body are correspondingly connected to the offshore wind power installation platform and a fan foundation platform in a lap joint mode during installation; and the two step stairs are correspondingly and rotatably mounted at the two ends of the trestle body. After the two ends of the trestle body are correspondingly connected to an offshore wind power installation platform and a draught fan foundation platform in a lap joint mode, the two step stairs rotate to the corresponding adaptive angles at the two ends of the trestle body and are fixed through bolts and nuts, springs are pressed at the moment, the springs provide self-locking force for the bolts and the nuts, and offshore wind power resistance is achieved; the problem that the inclination of the step stair cannot be adjusted to adapt to different installation environments is solved.

Description

Technical Field

[0001] The utility model relates to a novel pedestrian trestle used for an offshore wind power installation platform, belonging to the technical field of trestle bridges. Background Art

[0002] When installing offshore wind turbines, a pedestrian bridge needs to be built between the offshore wind power installation platform and the wind turbine foundation platform for workers to walk around. To protect the safety of workers, there are guardrails on the offshore wind power installation platform. Therefore, inclined steps need to be installed at both ends of the pedestrian bridge for workers to walk up and down.

[0003] The existing pedestrian trestle has a Chinese patent announcement number of CN217997786U. The disclosed technology is to fix the steps and stairs at both ends of the platform plate of the trestle. Although the fixed steps and stairs can be used for workers to walk up and down, the slope of the steps and stairs cannot be adjusted to adapt to different installation environments. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a novel pedestrian trestle used for an offshore wind power installation platform.

[0005] The utility model is realized through the following technical solutions.

[0006] The utility model provides a novel pedestrian trestle for an offshore wind power installation platform, comprising:

[0007] During installation, both ends should be overlapped with the trestle body on the offshore wind power installation platform and the wind turbine foundation platform;

[0008] Step stairs, two step stairs are rotatably installed at both ends of the trestle body.

[0009] The two sides of the trestle body are fixed with columns, and the columns are multiple and distributed at intervals on the two sides of the trestle body.

[0010] The uprights are fixedly connected with diagonal braces, which are symmetrically and relatively distributed in the middle of the trestle body and tilted and tied.

[0011] A square steel cross beam is fixed on the top of the column, and the square steel cross beam strengthens and fixes the tops of adjacent columns. A lifting lug is fixed on the square steel cross beam on the top of the column.

[0012] A trestle railing is fixed to the middle of the column for reinforcing and fixing the middle of the adjacent columns.

[0013] A spring is rotatably hinged at the bottom of the step staircase, and the other end of the spring is rotatably hinged on a mounting column.

[0014] The beneficial effect of the utility model is that after the two ends of the pier body are correspondingly overlapped to the offshore wind power installation platform and the wind turbine foundation platform, the two steps are rotated to the corresponding adaptation angles at the two ends of the pier body and fixed by bolts and nuts. At this time, the springs are pressed, and the springs provide self-locking force for the bolts and nuts, thereby achieving resistance to offshore wind force and solving the problem of not being able to adjust the inclination of the steps to adapt to different installation environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 yes Figure 1 Sectional view along line AA;

[0017] In the figure: 1- trestle body; 2- spring; 3- mounting column; 4- column; 5- diagonal brace; 6- square steel beam; 7- trestle railing; 8- step staircase; 9- lifting ear. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.

[0019] like Figure 1 to Figure 2 described.

[0020] A new type of pedestrian bridge used in an offshore wind power installation platform of the present application includes:

[0021] A trestle body 1 with a lifting lug 9 fixed by welding is installed on the top, and the trestle body 1 is connected to a lifting device through the lifting lug 9 for lifting.

[0022] Columns 4 are welded and fixed on both sides of the trestle body 1, and the columns 4 are multiple and spaced apart on both sides of the trestle body 1; diagonal braces 5 are welded and fixed between the columns 4, and the diagonal braces 5 are symmetrically and relatively distributed in the middle of the trestle body 1 and tilted and tied.

[0023] A square steel crossbeam 6 is welded and fixed to the top of the column 4, and the square steel crossbeam 6 strengthens and fixes the tops of adjacent columns 4. The lifting lug 9 is welded and fixed to the square steel crossbeam 6 at the top of the column 4; a trestle railing 7 is welded and fixed to the middle part of the column 4, and the trestle railing 7 strengthens and fixes the middle parts of adjacent columns 4.

[0024] The two ends of the pier body 1 are rotatably hingedly installed with step stairs 8 through hinge shafts. The two step stairs 8 are rotatably installed at the two ends of the pier body 1. The two step stairs 8 are overlapped on the offshore wind power installation platform and the wind turbine foundation platform at the two ends of the pier body 1 and fixed by bolts and nuts.

[0025] The step staircase 8 has handrails and guardrails on both sides. The step staircase 8 is composed of two parallel steel inclined ladder channels, and a plurality of spaced pedals are welded and fixed between the steel inclined ladder channels for operators to walk and step on.

[0026] The bottom of the step stair 8 is rotatably hinged with a spring 2 through a hinge shaft, and the other end of the spring 2 is rotatably hinged with a mounting column 3 through a hinge shaft. The two mounting columns 3 corresponding to the bottom of the two step staircases 8 are fixed to the offshore wind power installation platform and the wind turbine foundation platform respectively when in use.

[0027] After the two ends of the trestle body 1 are correspondingly overlapped on the offshore wind power installation platform and the wind turbine foundation platform, the two steps 8 are rotated to the corresponding adaptation angles at the two ends of the trestle body 1 and fixed by bolts and nuts, which solves the problem of not being able to adjust the slope of the steps to adapt to different installation environments. At this time, the spring 2 is pressed, and the spring 2 provides a self-locking force to the bolts and nuts to achieve resistance to offshore wind force.

Claims

1. A new type of pedestrian trestle used in offshore wind power installation platform, characterized in that: include: During installation, the two ends of the bridge body (1) are correspondingly overlapped with the offshore wind power installation platform and the wind turbine foundation platform; Step stairs (8), two step stairs (8) are rotatably mounted on both ends of the trestle body (1); The two sides of the trestle body (1) are fixed with columns (4), and the columns (4) are multiple and are distributed at intervals on the two sides of the trestle body (1); The uprights (4) are fixedly connected with diagonal braces (5), which are symmetrically and relatively distributed in a tilted manner in the middle of the trestle body (1); A square steel crossbeam (6) is fixed on the top of the column (4), and the square steel crossbeam (6) strengthens and fixes the tops of adjacent columns (4). A lifting lug (9) is fixed on the square steel crossbeam (6) on the top of the column (4); A trestle railing (7) is fixed to the middle of the column (4) for reinforcing and fixing the middle of the adjacent column (4).

2. The pedestrian trestle used for the new offshore wind power installation platform as claimed in claim 1 is characterized by: The bottom of the step staircase (8) is rotatably hinged with a spring (2), and the other end of the spring (2) is rotatably hinged with a mounting column (3).

Images