Latticed column welding device and method

A lattice column and construction device technology, which is applied in the direction of building structure, construction, and building material processing, can solve the problems of inability to use large-scale hoisting equipment, unfavorable steel lattice column positioning, construction quality control, and material waste, etc., to achieve The structure is simple, the construction period is shortened, and the effect of reducing the cost

Inactive Publication Date: 2016-11-16
CHINA CONSTR SECOND ENG BUREAU LTD
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  • Claims
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Problems solved by technology

This practice will result in waste of materials, and is not conducive to the quality control of steel lattice column positioning construction
If the lattice column is located on a steep slope, it is not advisable to use large hoisting equipment due to the influence of the construction operation surface

Method used

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  • Latticed column welding device and method

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] The lattice column is made of L200*20 angle steel, which is assembled by patch panels. The outer dimension is 560mm*560mm. The total length of a single lattice column is 37m, and the total weight of a single lattice column is about 12T. Affected by the lifting weight of the tower crane, the weight of the segmented lattice column shall not exceed 2.0T. According to the weight per meter of the lattice column, the length of the segmented lattice column shal...

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Abstract

The invention discloses a welding lattice column device and a welding method, comprising a sleeve frame (100), the sleeve frame (100) including four upright columns (9) and a beam (4) detachably connecting the upright columns (9) ), the beam (4) is divided into several layers from top to bottom, the bottom of the column (9) is fixed on the concrete base (2) by the steel plate (3), the upper part of the sleeve frame (100) and A chain block (6) is provided on the corresponding crossbeam (4) at the bottom, and a shaft (1) is provided at the bottom of the casing (10), and the center of gravity line of the casing (100) is aligned with the center of the shaft (1). Lines overlap. It solves the problem of material waste caused by the direct lengthening of the lattice column in the traditional method and is not conducive to the quality control of the positioning construction of the steel lattice column. The invention adopts the method of supporting by the sleeve frame (100), controlling by the chain hoist (6) and segmentally welding at the wellhead, so that super-long and super-heavy lattice columns can be connected and installed in segments by means of a small tower crane on steep slopes.

Description

technical field [0001] The invention relates to a welding lattice column device and a welding method, in particular to a lattice column welding construction device and a welding method when there is no large hoisting equipment on a steep slope. Background technique [0002] In recent years, with the transformation of old commercial areas in cities, more and more deep foundation pit projects have appeared in prosperous areas with complex surrounding environments. As a result, foundation pit construction is often affected by external factors, such as surrounding high-rise foundations, subways, etc. In order to ensure the stability of surrounding buildings and structures during the construction process, as well as limited by the site, the reverse method is widely used in engineering support forms. Commonly used columns: lattice columns, steel pipe columns, etc. are also increasingly used in reverse construction. In the construction process of the reverse method, there are two ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24E04G21/16
CPCE04B1/24E04G21/162
Inventor 邓江权王亮胡栋良徐璐瑶马德龙
Owner CHINA CONSTR SECOND ENG BUREAU LTD
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