Method for hoisting four-beam bridge crane in workshop

A hoisting method and crane technology, which are applied in the directions of walking bridge cranes, cranes, transportation and packaging, can solve the problems of high risk, normal production impact, and difficulty in dismantling, and reduce the hoisting height and hoisting radius. Progress, solve the effect of difficult hoisting

Pending Publication Date: 2022-08-09
CHINA MCC17 GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method, in addition to requiring a large-tonnage crane to meet the hoisting requirements, also requires the demolition of a large area of ​​roof, which is difficult and risky, and has a great impact on the normal production of the original industrial plant

Method used

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  • Method for hoisting four-beam bridge crane in workshop
  • Method for hoisting four-beam bridge crane in workshop
  • Method for hoisting four-beam bridge crane in workshop

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Embodiment Construction

[0043] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0044] see figure 1 , the present invention is a four-girder bridge crane hoisting method in the workshop, the dismantling method is carried out according to the following steps:

[0045] Step 1. Main beam A hoisting

[0046] 1.1) Assemble the main beam A1 and a pair of walking wheels on the ground into a whole, and wear the pin shaft;

[0047] 1.2) Use a crane to hoist the main beam A1 and the walking wheels in place as a whole;

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Abstract

The invention discloses a method for hoisting a four-beam bridge crane in a plant, which relates to a building hoisting technology and comprises the following steps of: 1, hoisting a main beam A; 2, hoisting an auxiliary beam and an end beam; 3, hoisting the auxiliary trolley; fourthly, a main trolley supporting device is installed; 5, hoisting the main trolley; 6, hoisting a main beam B; wherein the temporary walking wheel at one end of the auxiliary beam is slightly lower than the normal installation elevation, so that the main beam B can be conveniently connected with the combination body of the end beam and the auxiliary beam by using a jack; and the elevation of the main trolley supporting device is slightly lower than the normal installation elevation, so that the main trolley supporting device can be conveniently disassembled after the main beam B is installed. According to the invention, the characteristics of the four-beam bridge crane are fully utilized, the hoisting difficulty of the combination of the end beam and the auxiliary beam which are easy to block and the main trolley is solved, no aerial connecting point exists, the construction is safe and reliable, the hoisting work of the crane can be completed in a smaller space, the requirement on the hoisting capacity of the crane is relatively low, and the cost is saved.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a hoisting method in a workshop of a four-girder bridge crane. Background technique [0002] With the increasing demand for industrial plant capacity upgrades, plant renovations, and equipment replacements, projects such as renovation, addition, and displacement of large cranes in the plant are becoming more and more common. Due to the limited space in the workshop, the distance between the top of the crane rail and the lower chord of the roof truss is short, and the volume and weight of bridge cranes are large, especially the four-girder bridge crane, whose bridge width is large, which leads to the hoisting of the four-girder crane. The hoisting radius and hoisting height are very large. For conventional installation and removal, it is necessary to remove the roof and extend the mast of the large crane out of the roof to meet the hoisting radius and hoisting height of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C17/00
CPCB66C17/00B66C2700/01
Inventor 叶亮张鸿羽崔世杰周霖李磊
Owner CHINA MCC17 GRP
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