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Boiler hoisting sling in closed factory area and construction method thereof

A boiler and spreader technology, applied in the field of spreaders, can solve problems such as narrow space and complex working environment

Pending Publication Date: 2020-09-18
HUBEI INDAL BUILDING GROUP INSTALLATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The boiler installation of this project is an expansion project in the old factory building. The surrounding and top of the factory building are closed. The steel frame, steam drum and various large equipment need to be carried out in a narrow and restricted confined space. The working environment is complex and the space is narrow.

Method used

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  • Boiler hoisting sling in closed factory area and construction method thereof
  • Boiler hoisting sling in closed factory area and construction method thereof
  • Boiler hoisting sling in closed factory area and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figure 1 ~ Figure 3 As shown, a boiler hoisting sling in a closed factory area includes an underframe 1, a fixed track beam 2, a moving track beam 3, a cat head crane 4 and a hoist 5, the underframe 1 is fixed on the ground, and the top of the underframe 1 A plurality of fixed track beams 2 are arranged, and the moving track beam 3 is suspended below the fixed track beam 2 through the cat head crane 4. The moving track beam 3 is equipped with a gourd 5, and the moving direction of the gourd 5 on the moving track beam 3 is the same as that of the cat head. The moving direction of the head crane 4 on the fixed track beam 2 is perpendicular to each other. During the hoisting operation, the hoist 5 moves on the moving track beam 3 and the moving track beam 3 moves on the fixed track beam 2, so as to meet the requirements in the hoisting operation area. Hoisting requirements.

[0032] Due to other reasons, the roof of the factory building cannot be removed, so it i...

Embodiment 2

[0034] Such as Figure 1 ~ Figure 3 As shown, the present embodiment is a further improvement carried out on the basis of embodiment 1, which is specifically as follows:

[0035] The number of fixed track beams 2 set on the underframe 1 is three.

[0036] Furthermore, the number of cat head cranes 4 is three, and the three cat head cranes 4 are respectively installed on the three fixed track beams 2, and the moving track beam 3 is suspended below the three fixed track beams 2 through the three cat head cranes 4 .

[0037] Certainly, the quantity of fixed track beam 2 also can be many, such as four, five, two etc., and the quantity of cat head crane 4 is then at least two, preferably the quantity of cat head crane 4 and the quantity of fixed track beam 2 equal.

Embodiment 3

[0039] Such as Figure 1 ~ Figure 3 As shown, the present embodiment is a further improvement carried out on the basis of embodiment 1 or 2, which is specifically as follows:

[0040] The fixed track beam 2 adopts HW440*300*11*18 I-beam, and the material is Q235; the moving track beam 3 adopts I45A I-beam; the cat head crane 4 adopts 10T cat head crane 4; the hoist 5 adopts 10T electric hoist, using 10T Electric hoist, electric hoist load 10T, considering factors such as electric hoist self-weight and lifting acceleration, the load of electric hoist on moving track beam 3 is G = 13T = 130KN; it can effectively meet the hoisting requirements, specifically meet the requirements of shear resistance, bending resistance, resistance Pull, maximum load and other hoisting requirements.

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Abstract

The invention relates to a boiler hoisting sling in a closed factory area and a construction method thereof. The boiler hoisting sling comprises an underframe, fixed rail beams, a movable rail beam, cathead cranes and a hoist, wherein the underframe is fixed on the ground; the plurality of fixed rail beams are arranged at the top of the underframe; the movable rail beam is suspended below the fixed rail beams through the cathead cranes; and the hoist is mounted on the movable rail beam. The construction method of the boiler hoisting sling in the closed plant area comprises the following stepsof hardening the ground foundation; leveling the ground foundation, and mounting a bottom frame on the ground foundation after the levelness reaches the requirement; mounting six stand columns on thebottom frame, and calibrating verticality; and mounting the fixed rail beams, and sequentially mounting the cathead cranes, the movable rail beam and the hoist after the fixed rail beams are mounted and qualified. In the hoisting process in a closed factory building, the hoisting process is flexible to rotate, safe and reliable, so that manpower input is effectively reduced, labor production efficiency is improved, and construction progress is accelerated.

Description

technical field [0001] The invention relates to the field of slings, in particular to a hoisting sling for a boiler in a closed factory area and a construction method. Background technique [0002] With the rapid development of my country's construction industry, expansion projects are gradually increasing. Expansion projects refer to the establishment of new major workshops or engineering projects in the original factory area by original enterprises and institutions in order to expand their original production capacity (or efficiency). In the expansion project, it is inevitable to encounter large-scale component hoisting construction inside the building. Due to the closed space, it cannot meet the construction requirements of large-scale lifting equipment such as truck cranes and crawler trucks. Often, it can only be transported and hoisted by a winch with manual assistance. , the construction efficiency is low, and limited by the position of the lifting point of the hoist,...

Claims

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Application Information

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IPC IPC(8): B66C19/00B66C5/02B66C7/08B66C7/04B66C6/00B66C13/08B66D3/18E02D3/00
CPCB66C19/00B66C5/02B66C7/08B66C7/04B66C6/00B66C13/08B66C13/085B66D3/18E02D3/00
Inventor 肖俊杨龙
Owner HUBEI INDAL BUILDING GROUP INSTALLATION ENG
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