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Foldable hanging cage for hole operation in limited space

A technology of limited space and holes, applied in the direction of lifting devices, etc., can solve the problems of the cage being too large and inaccessible, and achieve the effects of novel design, safety assurance, and firm and reliable connection

Active Publication Date: 2019-11-15
MCC BAOSTEEL TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitation of the size of the manhole door of the absorption tower, the hanging cage suitable for working in the Venturi tube is too large to enter

Method used

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  • Foldable hanging cage for hole operation in limited space
  • Foldable hanging cage for hole operation in limited space
  • Foldable hanging cage for hole operation in limited space

Examples

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Embodiment Construction

[0036] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0037] It should be noted that the structure, ratio, size, etc. shown in the accompanying drawings in this specification are only used to match the content disclosed in the specification for the understanding and reading of those familiar with this technology, and are not intended to limit the implementation of the present invention Limited conditions, so it has no technical significance. Any structural modification, proportional relationship change or size adjustment should still fall under the present invention without affecting the effects and objectives that can be achieved by the present invention. The disclosed technical content must be within the scope of coverage. At the same time, the terms such as "upper", "lower", "left", "ri...

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Abstract

The invention provides a foldable hanging cage for hole operation in a limited space. The cage comprises a first side plate and a second side plate which are parallel with each other, the first side plate and the second side plate are of frame structures, the first side plate and the second side plate are connected through a plurality of connecting rods distributed in parallel, one end of each connecting rod is provided with a first connecting piece, the other end of each connecting rod is provided with a second connecting piece, each first connecting piece is connected to the first side platethrough at least two first bolts, each second connecting piece is connected to the second side plate through at least two second bolts, the cage further comprises a bottom plate, and the bottom plateis connected to the connecting rod located at the bottommost part. According to the cage, the structure is simple, the design is novel, a worker can conveniently enter and get out from a manhole doorof an absorption tower by folding the hanging cage, the assembly is simple and convenient, the maintenance operation time is greatly shortened, the connection mode is firm and reliable, and the safety of the maintenance operation worker is ensured.

Description

Technical field [0001] The invention relates to the field of inspection and repair operations for holes in confined spaces, in particular to a folding cage for hole operations in confined spaces. Background technique [0002] The dry circulating fluidized bed desulfurization process is widely used in the field of flue gas desulfurization in iron and steel enterprises. The circulating fluidized bed desulfurization process uses the desulfurizing agent slaked lime powder to be recycled in a bag-ash hopper-absorption tower-cloth bag system. The sulfur dioxide in the reaction produces desulfurization ash dust. [0003] One of the most important equipment in the circulating fluidized bed process is the absorption tower system. The untreated flue gas discharged from the boiler enters from the bottom of the absorption tower. At the bottom of the absorption tower is a venturi device. The flue gas flow speeds up after passing through the venturi tube and mixes with the very fine absorbent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F13/00
CPCB66F13/00
Inventor 蔡兴锋陈华何红博潘中华
Owner MCC BAOSTEEL TECH SERVICE
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