CN203463120U - Mining intrinsically-safe electric-hydraulic control reversing valve - Google Patents
Mining intrinsically-safe electric-hydraulic control reversing valve Download PDFInfo
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- CN203463120U CN203463120U CN201320361403.XU CN201320361403U CN203463120U CN 203463120 U CN203463120 U CN 203463120U CN 201320361403 U CN201320361403 U CN 201320361403U CN 203463120 U CN203463120 U CN 203463120U
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Abstract
The utility model relates to a mining intrinsically-safe electric-hydraulic control reversing valve. The mining intrinsically-safe electric-hydraulic control reversing valve 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 type reversing valve core (4), a filter (5) and a one-way 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 type reversing valve core (4), the filter (5), the one-way valve (6) and the valve body (3) are integrated to form the main control valve (2). The mining intrinsically-safe electric-hydraulic control reversing valve is simple, reasonable and compact in structure, convenient to mount and dismount, convenient to maintain and suitable to be used and operated in underground severe working environment with complex conditions.
Description
Technical field
The utility model relates to the corollary equipment of the electrohydraulic control system of hydraulic support, is specifically related to a kind of mining intrinsic safety electro-hydraulic control reversing valve.
Background technology
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, the signal of telecommunication is converted into control signal.Existing electric-hydraulic control reversing valve exists and keeps in repair inconvenience, 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 liquid in-out mouth on 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 valve body outside, and sealing is poor, structure is not managed entirely, in the rugged environment of down-hole, easily damages, maintenance trouble, produces and easily causes certain influence downhole safety.
Summary of the invention
Adapter assembly and valve body that the problem that the utility model solves is to provide a kind of liquid in-out mouth are integral type structure design, and volume is little, cost is low, lightweight, good airproof performance, mining intrinsic safety electro-hydraulic control reversing valve easy for installation.
The technical solution of the utility model: a kind of 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 main control valve 2, and main control valve 2 comprises valve body 3, integral plugged formula reversing valve core 4, strainer 5 and one way valve 6; On valve body 3, be provided with inlet 7, liquid return hole 8, feed pathway, back flow channel, working chamber and jiont treatment chamber; Described integral plugged formula reversing valve core 4, strainer 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 is communicated with feed pathway and back flow channel in valve body 3 respectively with hole for back flow, the inlet 7 of valve body 3 and liquid return hole 8 are communicated with feed pathway and back flow channel respectively, strainer 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 reversing 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 inlet 7 inside, going back to liquid joint chamber 10 is arranged on and liquid return hole 8 inside, liquid inlet joint chamber 9 and return feed liquor U-shaped that liquid joint chamber 10 offers with valve body 3 one sides respectively and link interface 11 and return liquid U-shaped and link interface 12 and is communicated with, for being connected with supplying the high-pressure rubber pipe of 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.
The beneficial effects of the utility model: (1) the utility model, by liquid inlet joint chamber and time liquid joint chamber are arranged in valve body, avoided because the adverse circumstances under ore deposit cause reversal valve poor sealing, and volume is little, easy for installation; (2) the utility model is simple and reasonable for structure, compact, and easy installation and removal is convenient to safeguard, is suitable in the working environment severe, situation complexity of down-hole, using, operating.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is along the sectional view of A-A in Fig. 1;
Fig. 3 is along the sectional view of B-B in Fig. 1;
Fig. 4 is along the sectional view of D-D in Fig. 1.
The specific embodiment
A 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 reversing valve core 4, strainer 5 and one way valve 6; On valve body 3, be provided with inlet 7, liquid return hole 8, feed pathway, back flow channel, working chamber and jiont treatment chamber; Described integral plugged formula reversing valve core 4, strainer 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 is communicated with feed pathway and back flow channel in valve body 3 respectively with hole for back flow, the inlet 7 of valve body 3 and liquid return hole 8 are communicated with feed pathway and back flow channel respectively, strainer 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 reversing 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 inlet 7 inside, going back to liquid joint chamber 10 is arranged on and liquid return hole 8 inside, liquid inlet joint chamber 9 and return feed liquor U-shaped that liquid joint chamber 10 offers with valve body 3 one sides respectively and link interface 11 and return liquid U-shaped and link interface 12 and is communicated with, for being connected with supplying the high-pressure rubber pipe of 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 by electromagnetic priority valve (1) and main control valve (2), it is upper that electromagnetic priority valve (1) is arranged on main control valve (2), and main control valve (2) comprises valve body (3), integral plugged formula reversing valve core (4), strainer (5) and one way valve (6); On valve body (3), be provided with inlet (7), liquid return hole (8), feed pathway, back flow channel, working chamber and jiont treatment chamber; Described integral plugged formula reversing valve core (4), strainer (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) is communicated with feed pathway and back flow channel in valve body (3) respectively with hole for back flow, inlet (7) and the liquid return hole (8) of valve body (3) are communicated with feed pathway and back flow channel respectively, strainer (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 reversing 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 inlet (7) inside, going back to liquid joint chamber (10) is arranged on and liquid return hole (8) inside, liquid inlet joint chamber (9) and return feed liquor U-shaped that liquid joint chamber (10) offers with valve body (3) one sides respectively 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, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320361403.XU CN203463120U (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 |
|---|---|---|---|
| CN201320361403.XU CN203463120U (en) | 2013-06-24 | 2013-06-24 | Mining intrinsically-safe electric-hydraulic control reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463120U true CN203463120U (en) | 2014-03-05 |
Family
ID=50175492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320361403.XU Withdrawn - After Issue CN203463120U (en) | 2013-06-24 | 2013-06-24 | Mining intrinsically-safe electric-hydraulic control reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277540A (en) * | 2013-06-24 | 2013-09-04 | 山西平阳广日机电有限公司 | Mining intrinsically safe electric hydraulic control reversing valve |
| CN107917120A (en) * | 2017-11-03 | 2018-04-17 | 北京天地玛珂电液控制系统有限公司 | A kind of type pilot solenoid directional control valve |
-
2013
- 2013-06-24 CN CN201320361403.XU patent/CN203463120U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277540A (en) * | 2013-06-24 | 2013-09-04 | 山西平阳广日机电有限公司 | Mining intrinsically safe electric hydraulic control reversing valve |
| CN103277540B (en) * | 2013-06-24 | 2015-04-08 | 山西平阳广日机电有限公司 | Mining intrinsically safe electric hydraulic control reversing valve |
| CN107917120A (en) * | 2017-11-03 | 2018-04-17 | 北京天地玛珂电液控制系统有限公司 | A kind of type pilot solenoid directional control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20150408 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |