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Valve element suitable for novel mining manual-automatic integrated reversing valve and reversing valve

A reversing valve and manual automatic technology, which is applied in the field of mining hydraulic control, can solve the problems that the new manual and automatic reversing valve cannot be directly applied, and achieve the effect of convenient installation and disassembly

Inactive Publication Date: 2016-12-07
TIANJIN HUANING ELECTRONICS
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The new type of mine-use automatic manual reversing valve can realize both electro-hydraulic control and manual control, which makes mining automatic and improves production efficiency. However, the existing mining reversing valve core, whether it is manual reversing valve None of the controlled reversing spools can be directly applied to the new type of manual reversing valve, so it is necessary to design a new type of reversing spool to achieve the required functions

Method used

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  • Valve element suitable for novel mining manual-automatic integrated reversing valve and reversing valve
  • Valve element suitable for novel mining manual-automatic integrated reversing valve and reversing valve

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Embodiment Construction

[0030] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0032] Such as figure 1 As shown, the reversing valve spool proposed by the present invention includes a valve stem assembly provided with a working fluid chamber 16, a middle sleeve 4 which is slidably fitted with one end of the valve stem assembly, and a mandrel sleeve 9 fixedly connected to the middle sleeve 4, And the ejector rod assembly corresponding to the valve stem assembly is slidingly sleeved in the ejector rod sleeve 9;

[0033] Wherein, the valve stem assembly includes a valve stem 1, a screw sleeve 2 sleeved on the valve stem 1, and a sealing ring 3 corresponding to the position of the middle sleeve 4, and the valve stem 1 and the screw sleeve 2 are threaded. The connecti...

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Abstract

The invention provides a valve element suitable for a novel mining manual-automatic integrated reversing valve. The valve element comprises a valve rod assembly provided with a working liquid cavity, an intermediate bushing in sliding connection with one end of the valve rod assembly in a sleeving mode, an ejector rod sleeve fixedly connected with the intermediate bushing, and an ejector rod assembly sleeved with the ejector rod sleeve in a sliding mode and corresponding to the valve rod assembly. A piston sleeve is arranged between the ejector rod assembly and the ejector rod sleeve, and a control cavity is formed between the piston sleeve and the ejector rod sleeve. The valve element meets the requirement of the manual-automatic integrated reversing valve, not only can achieve electric hydraulic control, but also can carry out manual control when an electromagnetic pilot operated valve does not work.

Description

technical field [0001] The invention belongs to the field of hydraulic control for mines, and in particular relates to a spool of a manual-automatic integrated reversing valve for mines and a reversing valve using the spool. Background technique [0002] The new type of mine-use automatic manual reversing valve can realize both electro-hydraulic control and manual control, which makes mining automatic and improves production efficiency. However, the existing mining reversing valve core, whether it is manual reversing valve None of the controlled reversing spools can be directly applied to the new type of manual reversing valve, so it is necessary to design a new type of reversing spool to realize the required functions. Contents of the invention [0003] In view of this, the present invention proposes a spool suitable for a new type of automatic manual reversing valve for mines to meet the needs of the new type of automatic manual reversing valve for mines. [0004] In or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B13/02F16K31/60
CPCF15B13/02F16K31/60
Inventor 郑金文杜云岗金猛
Owner TIANJIN HUANING ELECTRONICS
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