CN103277540B - Mining intrinsically safe electric hydraulic control reversing valve - Google Patents
Mining intrinsically safe electric hydraulic control reversing valve Download PDFInfo
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- CN103277540B CN103277540B CN201310250880.3A CN201310250880A CN103277540B CN 103277540 B CN103277540 B CN 103277540B CN 201310250880 A CN201310250880 A CN 201310250880A CN 103277540 B CN103277540 B CN 103277540B
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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 coal mine hydraulic supporting electrohydraulic control system, is the core component that in electrohydraulic control system, electrical signal is converted into control signal.There is maintenance inconvenience in existing electric-hydraulic control reversing valve, sealing is poor, volume is large, from the problem such as great, topmost problem be with electric liquid main control valve on be arranged on the adapter assembly of the liquid in-out mouth on valve body and valve body is not integrative-structure, adapter assembly is rotationally connected to be fixed on by internal interface and has been exposed to outside valve body, and sealing is poor, structure is not managed entirely, easily damages in the rugged environment of down-hole, maintenance trouble, produces downhole safety and easily causes certain influence.
Summary of the invention
The problem that the present invention solves is to provide a kind of adapter assembly of liquid in-out mouth and valve body is integral type structural design, and volume is little, cost is low, lightweight, 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 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 jiont treatment chamber; Described integral plugged formula changeover valve core 4, filter 5, one-way valve 6 and valve body 3 become one, composition main control valve 2; The inlet opening of described electromagnetic priority valve 1 is communicated with back flow channel with the feed pathway in valve body 3 respectively with hole for back flow, the liquid entering hole 7 of valve body 3 is communicated with back flow channel with feed pathway respectively with liquid return hole 8, filter 5 is communicated with feed pathway, and one-way valve 6 is communicated with back flow channel; Described jiont treatment chamber is communicated with integral plugged formula changeover valve core 4, it is characterized in that described jiont treatment chamber 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 liquid return hole 8 inner, liquid inlet joint chamber 9 and return the feed liquor U-shaped that offers with valve body 3 side respectively of liquid joint chamber 10 and link interface 11 and return liquid U-shaped and link interface 12 and be communicated with, for being connected with the high-pressure rubber pipe of confession 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 product function demand.
Beneficial effect of the present invention: (1) the present invention is by being arranged on liquid inlet joint chamber and time liquid joint chamber in valve body, avoid because the rugged environment under ore deposit cause selector valve poor sealing, and volume is little, easy for installation; (2) the present invention is simple and reasonable for structure, compact, easy installation and removal, is convenient to safeguard, be suitable for severe in down-hole, use in the working environment of situation complexity, operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional view along A-A in Fig. 1;
Fig. 3 is the sectional view along B-B in Fig. 1;
Fig. 4 is the sectional view along D-D in 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 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 jiont treatment chamber; Described integral plugged formula changeover valve core 4, filter 5, one-way valve 6 and valve body 3 become one, composition main control valve 2; The inlet opening of described electromagnetic priority valve 1 is communicated with back flow channel with the feed pathway in valve body 3 respectively with hole for back flow, the liquid entering hole 7 of valve body 3 is communicated with back flow channel with feed pathway respectively with liquid return hole 8, filter 5 is communicated with feed pathway, and one-way valve 6 is communicated with back flow channel; Described jiont treatment chamber is communicated with integral plugged formula changeover valve core 4, it is characterized in that described jiont treatment chamber 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 liquid return hole 8 inner, liquid inlet joint chamber 9 and return the feed liquor U-shaped that offers with valve body 3 side respectively of liquid joint chamber 10 and link interface 11 and return liquid U-shaped and link interface 12 and be communicated with, for being connected with the high-pressure rubber pipe of confession 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 product function demand.
Claims (3)
1. a mining intrinsic safety electro-hydraulic control reversing valve, it is made up of electromagnetic priority valve (1) and main control valve (2), electromagnetic priority valve (1) is arranged on 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 jiont treatment chamber; Described integral plugged formula changeover valve core (4), filter (5), one-way valve (6) and valve body (3) become one, composition main control valve (2); The inlet opening of described electromagnetic priority valve (1) is communicated with back flow channel with the feed pathway in valve body (3) respectively with hole for back flow, the liquid entering hole (7) of valve body (3) is communicated with back flow channel with feed pathway respectively with liquid return hole (8), filter (5) is communicated with feed pathway, and one-way valve (6) is communicated with back flow channel; Described jiont treatment chamber is communicated with integral plugged formula changeover valve core (4), it is characterized in that described jiont treatment chamber 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 liquid return hole (8) inner, liquid inlet joint chamber (9) and return the feed liquor U-shaped that offers with valve body (3) side respectively of liquid joint chamber (10) and link interface (11) and return liquid U-shaped and link interface (12) and be communicated with, for being connected with the high-pressure rubber pipe of confession emulsion.
2. a kind of mining intrinsic safety electro-hydraulic control reversing valve according to claim 1, it is characterized in that described one-way valve (6) is arranged in the installation cavity of valve body (3) of main control valve (2), 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 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 CN103277540A (en) | 2013-09-04 |
| CN103277540B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
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| CN103277540A (en) | 2013-09-04 |
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