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Novel cargo boom mounting mode of boom tower crane

A technology of a boom tower crane and installation method, which is applied to cranes and other directions, can solve the problems of low safety, low installation efficiency, and long time consumption, and achieve the effects of high safety, high installation efficiency, and reduction of work and work time.

Inactive Publication Date: 2020-05-22
XUZHOU CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method needs to thread and wind the hoisting wire rope at high altitude, which has low safety, low installation efficiency and long time-consuming

Method used

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  • Novel cargo boom mounting mode of boom tower crane
  • Novel cargo boom mounting mode of boom tower crane
  • Novel cargo boom mounting mode of boom tower crane

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Embodiment Construction

[0021] like Figure 1 to Figure 5 A new boom installation method of the boom tower crane is shown. After the boom tower crane completes the installation of the slewing platform 1, the counterweight 2, the tower top 3 and the luffing mechanism 4, the boom 5 is installed, which is characterized in that : The installation steps of the boom 5 are:

[0022] Step 1: threading the luffing wire rope 6;

[0023] Step 2: Install the boom 5 and the hoisting wire rope 7;

[0024] Step 3: Install the pulley block 8 of the jib tie rod.

[0025] The above step 1: first use the hoisting mechanism 9 and the auxiliary hemp rope to thread the luffing steel wire rope 6 with the pulley block 10 at the top of the tower and the pulley block 8 of the boom pulley, and then fix the pulley pulley 8 of the boom pulley on the top of the tower 3 on.

[0026] The above step 2: After the structural parts of the boom 5 are assembled, the boom tie rod 11 is assembled, and the pin shaft connection end of th...

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Abstract

The invention relates to a novel cargo boom mounting mode of a boom tower crane and belongs to the technical field of boom tower cranes. After the boom tower crane completes mounting of a rotating platform, a counterweight, a tower top and an amplitude-change mechanism, the cargo boom mounting is carried out, and the cargo boom mounting steps are as follows: winding of an amplitude-change steel wire rope is carried out; a cargo boom and a lifting steel wire rope are mounted; and a cargo boom pull rod pulley block is mounted. The novel cargo boom mounting mode has the beneficial effects that the safety is high, the lifting steel wire rope is wound around the boom, the boom end is fixed by the rope end, the operations are completely completed on the ground, and the high-risk work such as thesituations that an auxiliary crane is adopted for dragging and mounting personnel need to walk back and forth at the high attitude is avoided; the mounting efficiency is high, the lifting steel wirerope winding process is completely completed on the ground, compared with the high-altitude work, by the adoption of the novel cargo boom mounting mode, the time is greatly saved, an auxiliary mechanism is utilized to mount the crane boom pull rod pulley block, the mounting is fast, and the cost is saved; and the humanization design is high, the work high above the ground is reduced greatly, the working time of the work high above the ground is greatly shortened, and the humanization is high.

Description

technical field [0001] The invention relates to a novel boom installation method of a boom tower crane, belonging to the technical field of boom tower cranes. Background technique [0002] The safety and quickness of the installation of luffing jib tower cranes for super high-rise buildings has always been a concern of the industry and customers. After the jib tower crane completes the turntable, counterweight, tower top and mechanism according to the requirements, the boom can be installed, and the luffing wire rope can be threaded and wound. For the installation of luffing jib tower cranes for super high-rise buildings, most of the traditional installation methods are used at home and abroad. The traditional method is to first use a truck crane to install the jib on the turntable; After winding the luffing wire rope, the truck crane can slowly loosen the hook until the boom luffing wire rope is stressed; To the ground, wind the hoisting wire rope over the hook pulley on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/68B66C23/84B66C23/62
CPCB66C23/62B66C23/68B66C23/84
Inventor 王建军米成宏衣磊刘振郑怀鹏孙志起
Owner XUZHOU CONSTR MACHINERY
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