CN103277540A - Mining intrinsically safe electric hydraulic control reversing valve - Google Patents
Mining intrinsically safe electric hydraulic control reversing valve Download PDFInfo
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- CN103277540A CN103277540A CN2013102508803A CN201310250880A CN103277540A CN 103277540 A CN103277540 A CN 103277540A CN 2013102508803 A CN2013102508803 A CN 2013102508803A CN 201310250880 A CN201310250880 A CN 201310250880A CN 103277540 A CN103277540 A CN 103277540A
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Abstract
The invention relates to a mining intrinsically safe electric hydraulic control reversing valve which is composed of an electromagnetic pilot valve (1) and a main control valve (2). The electromagnetic pilot valve (1) is arranged on the main control valve (2). The main control valve (2) comprises a valve body (3), an integral plug-in installing type reversing valve core (4), a filter (5) and a check valve (6). The valve body (3) is provided with a liquid inlet (7), a liquid return port (8), a liquid inlet channel, a liquid return channel, a working cavity and a connector installation cavity. The integral plug-in installing type reversing valve core (4), the filter (5), the check valve (6) and the valve body (3) are integrated to form the main control valve (2). The hydraulic control reversing valve is simple, reasonable and compact in structure, convenient to install and dismount, convenient to maintain and suitable to be used and operated in underground severe working environment with complex conditions.
Description
Technical field
The present invention relates to the corollary equipment of the electrohydraulic control system of hydraulic support, be specifically related to a kind of mining intrinsic safety electro-hydraulic control reversing valve.
Background technique
Electric-hydraulic control reversing valve is the technology emphasis in the coal mine hydraulic supporting electrohydraulic control system, is the core component that electrical signal is converted into control signal in the electrohydraulic control system.Existing electric-hydraulic control reversing valve existence maintenance is inconvenient, sealing is poor, volume is big, from problem such as great, topmost problem be with electric liquid main control valve on be installed in the liquid in-out mouth on the valve body adapter assembly and valve body be not integrative-structure, adapter assembly is rotationally connected to be fixed on by internal interface and has been exposed to the valve body outside, and sealing is poor, structure is not managed entirely, damages easily in the rugged environment of down-hole, the maintenance trouble easily causes certain influence to downhole safety production.
Summary of the invention
Adapter assembly and valve body that the problem that the present invention solves provides a kind of liquid in-out mouth design for integral structure, and volume is little, cost is low, and is in light weight, good airproof performance, mining intrinsic safety electro-hydraulic control reversing valve easy for installation.
Technological scheme of the present invention: a kind of mining intrinsic safety electro-hydraulic control reversing valve, it is by electromagnetic priority valve 1 and main control valve 2, and electromagnetic priority valve 1 is arranged on the main control valve 2, and main control valve 2 comprises valve body 3, integral plugged formula changeover valve core 4, filter 5 and one-way valve 6; Valve body 3 is provided with liquid entering hole 7, liquid return hole 8, feed pathway, back flow channel, active chamber and joint installation cavity; Described integral plugged formula changeover valve core 4, filter 5, one-way valve 6 and valve body 3 become one, and form main control valve 2; The inlet opening of described electromagnetic priority valve 1 and hole for back flow are communicated with feed pathway and back flow channel in the valve body 3 respectively, the liquid entering hole 7 of valve body 3 and liquid return hole 8 are communicated with feed pathway and back flow channel respectively, filter 5 is communicated with feed pathway, and one-way valve 6 is communicated with back flow channel; Described joint installation cavity is communicated with integral plugged formula changeover valve core 4, it is characterized in that described joint installation cavity comprises liquid inlet joint chamber 9 and goes back to liquid joint chamber 10, wherein liquid inlet joint chamber 9 is arranged on liquid entering hole 7 inside, going back to liquid joint chamber 10 is arranged on and liquid return hole 8 inside, liquid inlet joint chamber 9 and go back to liquid joint chamber 10 and link interface 11 with feed liquor U-shaped that valve body 3 one sides offer respectively and return the liquid U-shaped and link interface 12 and is communicated with is used for being connected with the high-pressure rubber pipe that supplies emulsion.
Described one-way valve 6 is arranged in the installation cavity of valve body 3 of main control valve 2, and one-way valve 6 is communicated with the hole for back flow of electromagnetic priority valve 1.
Described mining intrinsic safety electro-hydraulic control reversing valve is of a size of wide 161mm, and height is 273mm, and length can be prepared according to the product function demand.
Beneficial effect of the present invention: ⑴ the present invention avoided because the rugged environment under the ore deposit cause the selector valve poor sealing, and volume is little by liquid inlet joint chamber and time liquid joint chamber are arranged in the valve body, and is easy for installation; ⑵ the present invention is simple and reasonable for structure, compact, and easy installation and removal is convenient to safeguard, be suitable for abominable in the down-hole, use in the situation complex operating environment, operation.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is along the sectional view of A-A among Fig. 1;
Fig. 3 is along the sectional view of B-B among Fig. 1;
Fig. 4 is along the sectional view of D-D among Fig. 1.
Embodiment
A kind of mining intrinsic safety electro-hydraulic control reversing valve, it is by electromagnetic priority valve 1 and main control valve 2, and electromagnetic priority valve 1 is arranged on the main control valve 2, and main control valve 2 comprises valve body 3, integral plugged formula changeover valve core 4, filter 5 and one-way valve 6; Valve body 3 is provided with liquid entering hole 7, liquid return hole 8, feed pathway, back flow channel, active chamber and joint installation cavity; Described integral plugged formula changeover valve core 4, filter 5, one-way valve 6 and valve body 3 become one, and form main control valve 2; The inlet opening of described electromagnetic priority valve 1 and hole for back flow are communicated with feed pathway and back flow channel in the valve body 3 respectively, the liquid entering hole 7 of valve body 3 and liquid return hole 8 are communicated with feed pathway and back flow channel respectively, filter 5 is communicated with feed pathway, and one-way valve 6 is communicated with back flow channel; Described joint installation cavity is communicated with integral plugged formula changeover valve core 4, it is characterized in that described joint installation cavity comprises liquid inlet joint chamber 9 and goes back to liquid joint chamber 10, wherein liquid inlet joint chamber 9 is arranged on liquid entering hole 7 inside, going back to liquid joint chamber 10 is arranged on and liquid return hole 8 inside, liquid inlet joint chamber 9 and go back to liquid joint chamber 10 and link interface 11 with feed liquor U-shaped that valve body 3 one sides offer respectively and return the liquid U-shaped and link interface 12 and is communicated with is used for being connected with the high-pressure rubber pipe that supplies emulsion.
Described one-way valve 6 is arranged in the installation cavity of valve body 3 of main control valve 2, and one-way valve 6 is communicated with the hole for back flow of electromagnetic priority valve 1.
Described mining intrinsic safety electro-hydraulic control reversing valve is of a size of wide 161mm, and height is 273mm, and length can be prepared according to the product function demand.
Claims (2)
1. mining intrinsic safety electro-hydraulic control reversing valve, it is by electromagnetic priority valve (1) and main control valve (2), electromagnetic priority valve (1) is arranged on the main control valve (2), and main control valve (2) comprises valve body (3), integral plugged formula changeover valve core (4), filter (5) and one-way valve (6); Valve body (3) is provided with liquid entering hole (7), liquid return hole (8), feed pathway, back flow channel, active chamber and joint installation cavity; Described integral plugged formula changeover valve core (4), filter (5), one-way valve (6) and valve body (3) become one, and form main control valve (2); The inlet opening of described electromagnetic priority valve (1) and hole for back flow are communicated with feed pathway and back flow channel in the valve body (3) respectively, liquid entering hole (7) and the liquid return hole (8) of valve body (3) are communicated with feed pathway and back flow channel respectively, filter (5) is communicated with feed pathway, and one-way valve (6) is communicated with back flow channel; Described joint installation cavity is communicated with integral plugged formula changeover valve core (4), it is characterized in that described joint installation cavity comprises liquid inlet joint chamber (9) and goes back to liquid joint chamber (10), wherein liquid inlet joint chamber (9) are arranged on liquid entering hole (7) inside, going back to liquid joint chamber (10) is arranged on and liquid return hole (8) inside, liquid inlet joint chamber (9) and go back to liquid joint chamber (10) and link interface (11) with feed liquor U-shaped that valve body (3) one sides offer respectively and return the liquid U-shaped and link interface (12) and is communicated with is connected for the high-pressure rubber pipe with the confession emulsion.
2. a kind of mining intrinsic safety electro-hydraulic control reversing valve according to claim 1 is characterized in that described one-way valve (6) is arranged in the installation cavity of valve body (3) of main control valve (2), and one-way valve (6) is communicated with the hole for back flow of electromagnetic priority valve (1).
3. a kind of mining intrinsic safety electro-hydraulic control reversing valve according to claim 1 is characterized in that described mining intrinsic safety electro-hydraulic control reversing valve is of a size of wide 161mm, and height is 273mm, and length can be prepared according to the product function demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310250880.3A CN103277540B (en) | 2013-06-24 | 2013-06-24 | Mining intrinsically safe electric hydraulic control reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310250880.3A CN103277540B (en) | 2013-06-24 | 2013-06-24 | Mining intrinsically safe electric hydraulic control reversing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103277540A true CN103277540A (en) | 2013-09-04 |
| CN103277540B CN103277540B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310250880.3A Active CN103277540B (en) | 2013-06-24 | 2013-06-24 | Mining intrinsically safe electric hydraulic control reversing valve |
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| Country | Link |
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| CN (1) | CN103277540B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513510A (en) * | 2019-09-24 | 2019-11-29 | 郑州煤机液压电控有限公司 | Automatic backwashing type electro-hydraulic reversing valve for hydraulic support for low coal seam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002206659A (en) * | 2001-01-11 | 2002-07-26 | Denso Corp | Spool valve type hydraulic control valve |
| CN101865317A (en) * | 2010-05-19 | 2010-10-20 | 煤炭科学研究总院太原研究院 | Electromagnetic unloading valve of emulsion pump station |
| CN101871537A (en) * | 2010-06-21 | 2010-10-27 | 山西平阳广日机电有限公司 | Mining intrinsic safety electro-hydraulic control reversing valve core component |
| CN201934110U (en) * | 2010-12-29 | 2011-08-17 | 北京中科林重科技有限公司 | Electro-hydraulic control reversing valve |
| CN203463120U (en) * | 2013-06-24 | 2014-03-05 | 山西平阳广日机电有限公司 | Mining intrinsically-safe electric-hydraulic control reversing valve |
-
2013
- 2013-06-24 CN CN201310250880.3A patent/CN103277540B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002206659A (en) * | 2001-01-11 | 2002-07-26 | Denso Corp | Spool valve type hydraulic control valve |
| CN101865317A (en) * | 2010-05-19 | 2010-10-20 | 煤炭科学研究总院太原研究院 | Electromagnetic unloading valve of emulsion pump station |
| CN101871537A (en) * | 2010-06-21 | 2010-10-27 | 山西平阳广日机电有限公司 | Mining intrinsic safety electro-hydraulic control reversing valve core component |
| CN201934110U (en) * | 2010-12-29 | 2011-08-17 | 北京中科林重科技有限公司 | Electro-hydraulic control reversing valve |
| CN203463120U (en) * | 2013-06-24 | 2014-03-05 | 山西平阳广日机电有限公司 | Mining intrinsically-safe electric-hydraulic control reversing valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513510A (en) * | 2019-09-24 | 2019-11-29 | 郑州煤机液压电控有限公司 | Automatic backwashing type electro-hydraulic reversing valve for hydraulic support for low coal seam |
| CN110513510B (en) * | 2019-09-24 | 2024-04-30 | 郑州恒达智控科技股份有限公司 | Automatic back flushing type electrohydraulic reversing valve for hydraulic support of thin coal seam |
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| Publication number | Publication date |
|---|---|
| CN103277540B (en) | 2015-04-08 |
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