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Integral inserting handle cover of hand-operated direction valve

A manual reversing valve, plug-in technology, applied in mining equipment, earthwork drilling, pillars/brackets, etc., can solve the problems of poor sealing performance, inconvenient replacement and maintenance, and poor anti-pollution performance of manual reversing valves, and achieve sealing Good performance, easy maintenance and simple structure

Active Publication Date: 2013-09-18
SHANXI PINGYANG GUANGRI ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The handle cover and valve body of the existing manual reversing valve are fixed by square bolts, which is troublesome to install, inconvenient to replace and maintain, and the sealing performance of the manual reversing valve is poor during maintenance, resulting in poor anti-pollution performance and endangering underground safety. Production brings a lot of trouble

Method used

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  • Integral inserting handle cover of hand-operated direction valve
  • Integral inserting handle cover of hand-operated direction valve

Examples

Experimental program
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Embodiment Construction

[0008] Such as figure 1 , figure 2 As shown, an integral plug-in manual reversing valve handle cover includes an upper ear plate 1 and a lower mounting plate 2, the upper ear plate 1 and the lower mounting plate 2 are cast as one, and the upper ear plate 1 is set on the lower mounting plate 2 The middle position of the upper ear plate 1 and the lower mounting plate 2 is a cavity, which is characterized in that the left end of the lower mounting plate 2 is provided with a cylindrical through hole 3 that plays a role in rotating connection, and the middle part of the through hole 3 has a groove , The middle part of the right end of the lower mounting plate 2 is provided with a semicircular head groove 4.

[0009] The handle cover of the present invention is matched with the handle cover of the manual reversing valve. When in use, only the handle cover needs to be connected with the valve body through the pin rotation, and the other end can be fixed by using the open semic...

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PUM

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Abstract

The invention relates to an integral inserting handle cover of a hand-operated direction valve, which comprises an upper lug plate (1) and a lower mounting plate (2), wherein the upper lug plate (1) and the lower mounting plate (2) are cast into a whole; the upper lug plate (1) is arranged in the middle of the lower mounting plate (2); the upper lug plate (1) and the lower mounting plate (2) are internally provided with cavities; a cylindrical through hole (3) having a rotational connection effect is formed at the left end of the lower mounting plate (2); a groove is formed in the middle of the through hole (3); and a semi-spherical head groove (4) is formed in the middle of the right end of the lower mounting plate (2). The handle cover is simple in structure, convenient to mount and repair, good in sealability and very convenient to maintain under a mine with a severe environment.

Description

technical field [0001] The invention belongs to the field of manual reversing valves, and in particular relates to an integral plug-in type manual reversing valve handle cover. Background technique [0002] At present, in the coal mine industry in China, the manual reversing valve is one of the important hydraulic control components of the hydraulic support for coal mines. In the hydraulic control system of the hydraulic support, the direction of the liquid flow is controlled to realize the lifting of the column, the expansion and contraction of the oil cylinder or the jack, and then complete various functions such as hydraulic support support, frame shifting, pushing, anti-falling, and top coal caving. operate. The handle cover and valve body of the existing manual reversing valve are fixed by square bolts, which is troublesome to install, inconvenient to replace and maintain, and the sealing performance of the manual reversing valve is poor during maintenance, resulting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D15/51
Inventor 姜晓红张家德吴俊闫献国李健宏李瑞李志奇安高成
Owner SHANXI PINGYANG GUANGRI ELECTROMECHANICAL