Method for hoisting open type groove body with large volume and small rigidity

A hoisting method and bulky technology, applied in the directions of transportation and packaging, load hoisting components, etc., can solve problems such as inconvenience, weld cracking, tank body deformation, etc. Effect

Active Publication Date: 2011-07-20
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The most commonly used hoisting method for the tank body is to set lifting points on the tank body and hoist it directly with wire ropes. Tank body, there are hidden dangers such as tank body deformation and weld cracking when directly hoisted
[0003] Therefore, there are above-mentioned inconveniences and problems in the known conventional method for hoisting the tank body.

Method used

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  • Method for hoisting open type groove body with large volume and small rigidity
  • Method for hoisting open type groove body with large volume and small rigidity
  • Method for hoisting open type groove body with large volume and small rigidity

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with embodiment and accompanying drawing.

[0026] The hoisting method of the large-volume, low-rigidity open tank body of the present invention has been successfully applied in the engineering pickling tank hoisting of Baosteel's stainless steel cold-strip annealing pickling unit. There are 10 pickling tanks in the pickling section of the project. The body is made of pp (plastic) material, the tank body is 9m long, weighs 5 tons, and the tank wall δ=25mm. The tank body is welded by the bottom plate and the side plate. The hoisting method of the large-volume, low-rigidity open tank body of the present invention not only ensures that the 9m-long tank body is evenly stressed during the hoisting process, without deformation and cracking, but also because the sling is easy to disassemble and assemble, the pickling section The 10 tanks were continuously operated, and the hoisting was completed in 3 days, wh...

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Abstract

The invention relates to a method for hoisting an open type groove body with large volume and small rigidity, which is characterized by comprising the following steps of: a, providing a longitudinal beam (1); b, providing two transverse beams (3); c, correspondingly manufacturing four lifting eye plates (2) by using four connecting plates (10) of a base of the groove body per se, and connecting the four lifting eye plates (2) to the connecting plates (10) of the base of the groove body by using bolts, to be used as hoisting points outside the groove body; d, providing four steel wire ropes (7); e, hoisting with a crane, wherein two lifting eyes (5) on the longitudinal beam (1) are used as main hoisting points of the crane and the four lifting eye plates (2) on the base of the groove body are used as auxiliary hoisting points, the main hosting points and the auxiliary hoisting points jointly form a stress system to ensure that the groove body can be uniformly stressed; and f, after thegroove body (9) is hoisted in place, disassembling the longitudinal beam (1), the two transverse beams (3) and the four lifting eye plates (2), and continuing to carry out the hoisting on the next groove body.

Description

technical field [0001] The invention relates to an open tank body, in particular to a hoisting method for an open tank body with large volume and low rigidity, which is suitable for metallurgy, chemical industry and other industries. Background technique [0002] The most commonly used hoisting method for the tank body is to set lifting points on the tank body and hoist it directly with wire ropes. Tank body, there are hidden dangers such as tank body deformation and weld cracking when directly hoisted. [0003] Therefore there are above-mentioned various inconveniences and problems in the known conventional lifting tank body method. Contents of the invention [0004] The object of the present invention is to propose a large-volume, low-rigidity opening that prevents the open tank body from being deformed and damaged due to low rigidity during hoisting, so that the force on the tank body is balanced during hoisting, and the finished tank body is protected. Type tank hois...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C1/12
Inventor 陈建忠李刚李永祥熊利贵杨文勇
Owner MCC5 GROUP CORP SHANGHAI
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