Method for assembling and disassembling portal crane and auxiliary supporting structure

A gantry crane and auxiliary support technology, which is applied to the bottom support structure, traveling mechanism, hoisting device, etc., can solve the problems of increasing safety risks for operators, difficulty in assembling and dismantling, and large site limitations. Flexible form, safe and reliable assembly and disassembly process, and good stability

Pending Publication Date: 2020-11-10
深圳路桥工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As the span, height, and hoisting weight of the gantry crane become larger and larger, its assembly and dismantling are also more and more difficult. The inherent flexibility of the wind rope (can only be pulled), the structure itself shakes a lot, which increases the safety risk of operators

Method used

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  • Method for assembling and disassembling portal crane and auxiliary supporting structure
  • Method for assembling and disassembling portal crane and auxiliary supporting structure
  • Method for assembling and disassembling portal crane and auxiliary supporting structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] attached Figures 1 to 6 , an auxiliary supporting structure for the assembly and dismantling of the gantry crane, which includes a steel support 1, an upper hinge seat 2, a lower hinge seat 3 and a concrete ground anchor 4, which is poured and buried on the two sides of the gantry crane. Between the door machine legs 10, the lower hinge seat 3 is arranged on the concrete ground anchor 4, the two door machine legs 10 are respectively provided with the upper hinge seat 2, and the steel support 1 There are two groups, which are respectively connected to the door machine legs 10, one end of which is connected to the upper hinge seat 2, and the other end is connected to the lower hinge seat 3, which is composed of the steel support 1 and door machine legs 10 Triangular support structure. Specifically, the lower hinge seat 3 is anchored on the concrete ground anchor by finishing rolled rebar or long bolts 8 . During construction, the reinforced concrete ground anchor 4 is ...

Embodiment 2

[0032] See attached Figure 7 , an auxiliary supporting structure for assembling and dismantling of a gantry crane. The difference between this embodiment 2 and the above-mentioned embodiment 1 is that it also includes an embedded part 9, which is pre-embedded on the concrete ground anchor 4 , the lower hinge seat 3 is welded and fixed to the embedded part 9 .

Embodiment 3

[0034] See attached Figure 8 , an auxiliary support structure for assembling and dismantling of a gantry crane, comprising a steel support 1, an upper hinge seat 2 and an embedded part 9, which is embedded in two legs 10 of the gantry crane Between, the two door machine legs 10 are respectively provided with the upper hinge seat 2, the steel support 1 has two groups, respectively connected with the door machine legs 10, one end of which is connected to the upper The other end of the hinge seat 2 is welded and fixed with the embedded part 9, and the triangular support structure is formed by the steel support part 1 and the door machine leg 10.

[0035] When dismantling, when constructing other structures (such as the bridge body), the embedded parts 9 are arranged in advance. If the dismantling can no longer be carried out at the original position due to construction needs, the upper end of the steel support 1 and the upper hinge seat 2 of the door machine leg 10 will pass thr...

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PUM

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Abstract

The invention provides a method for assembling and disassembling a portal crane and an auxiliary supporting structure. The auxiliary supporting structure for assembling and disassembling the portal crane comprises steel supporting pieces, an upper hinged support, a lower hinged support and a concrete ground anchor, and the concrete ground anchor is poured and buried between two portal crane supporting legs of the portal crane. The lower hinged support is arranged on the concrete ground anchor, the two portal crane supporting legs are respectively provided with the upper hinged support, the twogroups of steel supporting pieces are respectively connected with the portal crane supporting legs, one end of each steel supporting piece is connected with the upper hinged support, the other end ofeach steel supporting piece is connected with the lower hinged support, and the steel supporting pieces and the portal crane supporting legs form a triangular stable structure. A steel supporting structure is adopted, and a steel support has certain rigidity and can be pulled and pressed, so that the steel support and the portal crane supporting legs can form the stable triangular structure without shaking, and the more safety of the portal crane in the assembling and disassembling process is ensured.

Description

technical field [0001] The invention belongs to road and bridge construction equipment, in particular to a method for assembling and dismantling a gantry crane and an auxiliary supporting structure. Background technique [0002] As the span, height, and hoisting weight of the gantry crane become larger and larger, its assembly and dismantling are also more and more difficult. Due to the inherent flexibility of the wind rope (it can only be pulled), the structure itself shakes a lot, which increases the safety risk of operators. Contents of the invention [0003] In order to overcome the problems in the prior art, the present invention proposes a method for assembling and dismantling a gantry crane and an auxiliary support structure, the specific technical contents of which are as follows: [0004] An auxiliary support structure for assembling and dismantling of a gantry crane, comprising a steel support, an upper hinge seat, a lower hinge seat and a concrete ground anchor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C5/02B66C9/18
CPCB66C5/02B66C9/18
Inventor 范大意张帆肖永恒郑成勇肖高东刘学青洪兵张然姚东旭
Owner 深圳路桥工程有限公司
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