Device and method thereof for constructing a large-sized spherical tank construction platform

A construction platform and spherical tank technology, which is applied in construction, building structure, housing structure support, etc., can solve the problems of small internal space, large workload, waste of construction materials, etc. Small space and low cost effect

Inactive Publication Date: 2009-11-04
WUHAN YIYE STEEL STRUCTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] for 1000m 3 The interior space of the following spherical tanks is small, and the low utilization rate of scaffolding in this central part is not obvious
For volume over 2000m 3 The large-scale spherical tank with an inner diameter of more than 15m, during construction, if the interior is filled with scaffolding, it will take a long time to build it once, and the steel pipe scaffolding must be built from the bottom to the top, which will cause a lot of waste of construction materials
In addition, because the spherical tank needs to remove the scaffolding during welding, non-destructive testing, heat treatment, pressure testing and other processes, it needs to be rebuilt in the next process.
In this way, it will be repeatedly disassembled and assembled, and the workload will be large.

Method used

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  • Device and method thereof for constructing a large-sized spherical tank construction platform

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Effect test

Embodiment 1

[0020] see figure 1 , a large-scale spherical tank construction platform construction device, which includes a hanging nose 1 arranged on a spherical tank shell plate 4, a triangular support frame 2 is arranged on the hanging nose, one of the right-angled sides is fixed on the hanging nose, and the other right-angled The sides are vertically supported on the shell of the spherical tank, and the arc-shaped ladder 3 vertically arranged with the shell of the spherical tank is connected to the support frame through the hook on the ladder, and a platform plate is laid on the same height of the adjacent ladder. The tripod arc ladder device is easy to disassemble, and the arc ladder can be used repeatedly as long as the inner diameters of the shell plates of the spherical tank are similar. According to actual needs during construction, arc ladders can be built in sections at different heights to lay steel platform slabs, instead of fully covering them from the bottom to the top.

Embodiment 2

[0022] The construction method of the large-scale spherical tank construction platform construction device includes (1) before the spherical shell plate is hoisted, fixing the nose hanger 1 on the spherical tank shell plate 4, fixing the triangular support frame 2 on the hanger nose, one of which is at a right angle One side is fixedly connected to the hanging nose, and the other right-angle side is vertically supported on the shell of the spherical tank; (2) Assemble the shell of the spherical tank, and hang an arc-shaped ladder 3 perpendicular to the shell of the spherical tank on the support frame; (3) Lay the platform plate on the adjacent support frame at the same height; (4) connect the platform plate on the shell plate of the spherical tank to form a complete circle through the aforementioned (1), (2), and (3), and use the same method on the spherical tank shell to form a complete circle. The tank shell plate can build a multi-layer construction work platform, which can ...

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Abstract

The invention relates to a device and a method thereof for constructing a large-sized spherical tank construction platform. The device comprises a hanging nose arranged on a spherical tank shell slab, the hanging nose is provided with a support frame on which a climbing ladder is articulated, and a platform plate is paved between two adjacent climbing ladders on the same height. The work platform only needs to be constructed around weld joints on the inner wall of a spherical tank, then the construction requirement can be met, the occupied space is small, the detachment is convenient, and the device can be reutilized.

Description

technical field [0001] The invention relates to a large-scale spherical tank construction platform construction device and a construction method thereof. Background technique [0002] When assembling and welding spherical tanks on site, for the convenience of internal construction, it is necessary to build work platforms around the longitudinal and circumferential welds. The method of building internal scaffolding is usually adopted, that is, the interior of the spherical tank is filled with multi-layer scaffolding, and each layer is covered with steel platform plates, which are called "full-bore scaffolding" to meet the needs of workers going up and down and working. This method can ensure that the inner wall of the spherical tank has a working platform near the weld, but due to the need for mutual support and connection, the position farther away from the inner wall of the spherical tank does not need a working platform. No practical value. [0003] for 1000m 3 The inte...

Claims

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Application Information

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IPC IPC(8): E04G3/24
Inventor 唐谱洪祝旭斌易昶黄金祥马宁王候阮桂勇董达
Owner WUHAN YIYE STEEL STRUCTURE
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