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Steel beam moving-in-place limiting method

Inactive Publication Date: 2017-12-08
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the long length, large size and heavy weight of a single steel girder, the hoisting and translation positioning either crosses the positioning line or fails to move in place, resulting in the inaccurate positioning of the steel girder, which brings great difficulties to the accurate installation of the steel girder
[0004] Therefore, there are above-mentioned inconveniences and problems in the known steel beam moving in place limit mode.

Method used

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  • Steel beam moving-in-place limiting method

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Embodiment 1

[0030] The construction process of the steel beam moving in place and limiting the position of the present invention is: installation of the load-bearing steel plate at the top of the concrete column → assembly of the steel structure beam → measurement of the size of the steel beam support base → lofting and marking of the steel beam support base on the load-bearing steel plate → upper limit of the load-bearing steel plate Position angle steel positioning welding → steel beam hoisting in place → steel beam support base bolt hole alignment → steel beam precision adjustment → anchor bolt fastening.

[0031] The steel girder moving in-position limiting method of the present invention comprises the following steps:

[0032] a. Welding of steel beam support base

[0033] During the assembly process of the steel beam, the center line of the base must be aligned with the center line of the steel beam when the support base is welded, so as to avoid the distortion of the support base a...

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Abstract

A steel beam moving-in-place limiting method is characterized by comprising the following steps of a, welding of a steel beam supporting base; b, laying-off and scribing of the steel beam supporting base on a force bearing steel plate; c, positioning welding of limiting steel angles on the force bearing steel plate; d, steel beam moving limiting and e, steel beam foundation bolt hole alignment. The steel beam moving-in-place limiting method has the advantages that the limiting steel angles are used, the method is simple, manufacturing is convenient, and the one-time-in-place pass percent of a steel beam is increased.

Description

technical field [0001] The invention relates to a position limiting method, in particular to a position limiting method for moving a steel beam. Background technique [0002] With the continuous development of the domestic steel structure field, more and more large-span steel structures are adopted in the design, and a single steel beam has a large weight and a long length, which brings great difficulties to the hoisting, translation, and positioning of the steel structure beam. The greater difficulty makes the installation accuracy of the anchor bolts at the bottom of the steel beam more problematic. [0003] The span of the steel structure beams in the project is 42m, and the weight of a single beam is 52t. Both ends of the steel beams are located on the load-bearing steel plates at the top of the concrete columns. Due to the long length, large size and heavy weight of a single steel beam, it either crosses the positioning line or fails to move in place during hoisting an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/16E04G21/18
CPCE04G21/162E04G21/1841
Inventor 王亚刚秦凯范振雷易图军
Owner MCC5 GROUP CORP SHANGHAI
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