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Chain tensioning gear and method for slag removing machine

A technology of chain tensioning device and slag scraper, which is applied in the direction of transmission device, belt/chain/gear, mechanical equipment, etc. The effect of alleviating shock loads, improving service life and operating reliability

Active Publication Date: 2013-12-18
ANGANG STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far, there is no tensioning device that is completely suitable for the frequent reversing chain drive of the slag scraper.

Method used

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  • Chain tensioning gear and method for slag removing machine
  • Chain tensioning gear and method for slag removing machine

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Experimental program
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Effect test

Embodiment Construction

[0020] Depend on figure 1 It can be seen that the chain tensioning device of the slag removal machine of the present invention is mainly composed of a support cross arm 1, a fixed seat 2, a support screw 3, a chain 4, a spring 6, an adjustment nut 7, a slideway support 8, a bearing 9, and a tensioning sprocket 10. It is composed of sprocket shaft 11, screw connecting plate 12, support connecting plate 13, slide block 15 and related connectors.

[0021] Slide block 15 is two, is processed with circular end hole in the inner end of slide block 15, is provided with a limit stop 16 in the middle, and the outside has the screw rod hole that supports screw rod 3 is installed. The fixed seat 2 is in the shape of a "U" as a whole, and a horizontal plate protruding outward is welded on the upper end of the "U" shape. A slideway support 8 is respectively fixed on the inner side of the horizontal plate, and the two slideway support 8 The upper ends are fixed together by the support conn...

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Abstract

The invention provides a chain tensioning gear and a chain tensioning method for a slag removing machine. The chain tensioning gear is formed by a fixing seat, supporting screw rods, springs, adjusting nuts, slideway supports, a chain, tension sprockets, a sprocket shaft, slide blocks, bearings, a support connecting plate and a screw rod connecting plate. When the stretching and retracting action of a telescopic boom of the slag removing machine is finished, the tension sprockets move downwards under the action of the springs, and are in a free tension state; when the telescopic boom is retracted or stretched, the vertical vibration of the chain can be restrained by the tension sprockets and the meshed chain; when the chain is stretched, the nuts can be adjusted so as to change the precompression of the springs; when a transverse force is caused by the chain, a reserved gap can enable the tension sprockets to move transversely, and transverse floating supporting guide is realized; when a pull force of the chain is changed, the chain does vertical movement along with the tension sprockets, and partial momentary tension is relieved or eliminated. The chain tensioning gear and the method provided by the invention can be used for effectively relieving impact load caused by frequent reversing, the chain transmission stress state can be improved, the service life of the chain can be prolonged, and the running reliability of the chain can be improved.

Description

technical field [0001] The invention belongs to the field of transmission devices, and in particular relates to a tensioning device and a tensioning method for a chain of a slag picker. Background technique [0002] The traditional slag removal machine uses a slag removal board to remove slag, and the slag removal board is fixed on the telescopic arm of the slag removal machine, and moves with the telescopic arm in front and back, left and right, up and down, etc., to remove sulfur-containing slag into the slag tank below. The telescopic action of the telescopic arm is driven by a hydraulic motor and driven by a chain and a sprocket. Due to frequent telescopic movements, the impact of hydraulic motor commutation on the chain is very large, the life of the chain is low, and abnormal damage seriously affects the smooth progress of production. [0003] Chain transmission is a meshing transmission with intermediate flexible parts, which has some characteristics of gear transmis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/08
Inventor 吴丙恒
Owner ANGANG STEEL CO LTD
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