Special lifting appliance for pit type heat treatment furnace

A heat treatment furnace and spreader technology, applied in the field of tubular billets, can solve the problems of time-consuming and laborious tightening and separation process, inability to use multiple pit furnaces together, etc. Effect

Active Publication Date: 2011-11-23
XINXING DUCTILE IRON PIPES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fastening and separation process is time-consuming and laborious, an

Method used

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  • Special lifting appliance for pit type heat treatment furnace
  • Special lifting appliance for pit type heat treatment furnace

Examples

Experimental program
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Embodiment Construction

[0009] As shown in the accompanying drawings, the upper ends of the two poles 6 that are fixed together fix the pole suspension ring 1 through the upper chain, the lower ends of the poles 6 are hinged with the hook head 8, and the guide cylinder 5 is fixed between the two poles 6, and the guide cylinder Pull bar 4 is slipped through in 5, and the upper end of pull bar 4 fixes pull bar suspension ring 3, and the lower end of pull bar 4 is hinged the upper end of hook head slide chain 7, and the lower end of hook head slide chain 7 is hinged with described hook head 8.

[0010] During use, hang the pole suspension ring 1 on the main hook of the crane, and hang the pull rod suspension ring 3 on the auxiliary hook of the crane. The auxiliary hook of the crane pulls the pull rod ring 3, so that the hook head 8 is retracted between the two support rods 6. The present invention is inserted into the tubular blank to be heat treated, the hook head 8 hooks the bottom end of the tubular ...

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PUM

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Abstract

The invention relates to special lifting appliance for a pit type heat treatment furnace which is especially suitable for tubular blanks. A fulcrum bar hoisting ring is fixed on the upper ends of fulcrum bars through an upper chain, and the lower ends of the fulcrum bars are hinged to hook heads. A guide cylinder is fixed between the fulcrum bars, and a pull bar passes through the inside of the guide cylinder slidingly. The upper end of the pull bar fixes another fulcrum bar hoisting ring, while the lower end of the pull bar is hinged to the upper ends of hook-headed zippers, the lower ends of which are hinged to the hook heads. With simple structure and rapid loading and unloading speed, the lifting appliance of the invention is multipurpose.

Description

technical field [0001] The invention relates to a hoist for a well-type heat treatment furnace, which is especially suitable for a tubular billet. Background technique [0002] At present, when the pit furnace heat-treats the tubular billet, the tubular billet is mostly fastened to the sling in advance, and the sling and the tubular billet are put into the pit furnace for heat treatment. After the treatment, the sling and the tubular billet are hoisted out of the pit furnace together. Then separate the spreader from the blank. The fastening and separation process is time-consuming and labor-intensive, and one spreader cannot be used with multiple pit furnaces at the same time. Contents of the invention [0003] In order to overcome the disadvantages of the prior art, the present invention provides a special spreader for well-type heat treatment furnaces, which has a simple structure, fast loading and unloading speed, and one tool with multiple functions. [0004] The tec...

Claims

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Application Information

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IPC IPC(8): C21D9/08
Inventor 张新兵张建民于海周刘焕龙郭广社郭现伟程宇陈荣军
Owner XINXING DUCTILE IRON PIPES CO LTD
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