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Integral Lifting Construction Method of Long-span Steel Beam Pulling Rod

A technology of overall improvement and construction method, applied in the direction of construction, building structure, construction material processing, etc., can solve the problem of high cost, and achieve the effect of avoiding site requirements, ensuring welding quality, and avoiding high-altitude operations.

Inactive Publication Date: 2015-11-25
QINGDAO BOHAI CONSTR GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For long-span steel girder steel structures, the traditional construction method is: use multiple large-scale machinery and equipment to coordinate hoisting construction methods. This construction method requires a wide site, and multiple large-scale machinery and equipment cooperate at the same time, and the cost is relatively high.

Method used

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  • Integral Lifting Construction Method of Long-span Steel Beam Pulling Rod

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Embodiment Construction

[0015] Such as figure 1 As shown, the present invention is a construction method for overall lifting of large-span steel girder pulling rods, comprising the following steps:

[0016] (1) To make a simple pole pulling device, first select a steel plate base 1, weld a vertical pole 2 longitudinally on the steel plate base 1, weld the rib plate 3 at the connection part of the steel plate base 1 and the vertical pole 2, and weld the top of the vertical pole 2 A beam 4, a lifting lug 5 is welded at both ends of the beam 4, and two diagonal braces 6 are welded between the vertical bar 2 and the beam 4; the beam 4 is made of 32a I-beam; the lifting lug 5 is made of 200×150×30mm It is made of steel plate with a hole in the center; the vertical rod is made of round steel pipe of 168×8mm; the diagonal brace 6 is made of round steel pipe of 76×4mm; (2) Set anchor bolts on the concrete beams or columns on both sides of the shaped steel beams, and install the simple pull-out rods on the a...

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Abstract

The invention discloses a construction method for integrally lifting a large-span type steel beam pulling bar and particularly discloses a construction method for splicing and welding to manufacture a simple pulling bar in site by using a large-span type steel beam aiming at the characteristics of large span and complex modelling for integral lifting, aiming at overcoming the defects of wide required field, large-size mechanical equipment lifting and high cost of the traditional construction method. The invention provides a novel construction method for a project with a narrow field and a complex peripheral environment. When the construction of a large-span steel structure type steel beam is carried out by adopting the method, a profile steel beam is processed in segments as required in a factory, all segments are spliced and welded in site, therefore overhead working is prevented, welding quality is easy to ensure, site requirement for lifting by adopting multiple large-size mechanical equipment is prevented, project cost is reduced, and a construction period is shortened.

Description

technical field [0001] The invention relates to a construction method for overall lifting of a large-span steel girder pulling rod, which belongs to the field of construction. Background technique [0002] For long-span steel girder steel structures, the traditional construction method is: use multiple large-scale mechanical equipment to coordinate hoisting construction methods. This construction method requires a wide site, and multiple large-scale mechanical equipment cooperates at the same time, and the cost is relatively high. Contents of the invention [0003] Aiming at the deficiencies in the existing technology, the technical problem to be solved by the present invention is to provide a construction method for the overall lifting of large-span steel beam pullers, which avoids high-altitude operations, easily guarantees welding quality, and avoids the use of multiple large-scale mechanical equipment The site requirements for hoisting reduce the engineering cost and s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/14
Inventor 李田俊王贤茂陶官思
Owner QINGDAO BOHAI CONSTR GROUP
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