CN202165100U - Three-position four-way reversing valve for coal mine hydraulic bracket - Google Patents
Three-position four-way reversing valve for coal mine hydraulic bracket Download PDFInfo
- Publication number
- CN202165100U CN202165100U CN2011201047134U CN201120104713U CN202165100U CN 202165100 U CN202165100 U CN 202165100U CN 2011201047134 U CN2011201047134 U CN 2011201047134U CN 201120104713 U CN201120104713 U CN 201120104713U CN 202165100 U CN202165100 U CN 202165100U
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- valve
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Abstract
A three-position four-way reversing valve for a coal mine hydraulic bracket comprises an operating mechanism, a valve body and valve core components, wherein two symmetrical long holes are vertically formed at the upper part of the valve body; two sets of valve core components are respectively mounted in the two long holes; circular holes perpendicular to the axial lines of the two long holes are formed on the symmetric lines of the two long holes, and are respectively served as a liquid inlet and a liquid outlet; two threaded holes are formed at the lower part of the valve body in a manner of downwardly-extending along the two long holes; and joints are respectively installed on the two threaded holes and serve as work liquid outlets. Each set of valve core component comprises a rod sleeve, a liquid return sleeve, a liquid inlet sleeve, a jacking rod, a valve rod, a valve gasket and a spring, wherein the lower ends of the valve sleeves and the upper ends of the liquid return sleeves are connected by adopting axial bearing structures; the lower ends of the liquid return sleeves and the upper ends of the liquid inlet sleeves are connected via closely-pitched left-hand threads; and the jacking rods, the valve rods, the valve gaskets, the springs and the like are arranged at the centers of valve sleeve strings formed by connecting the rod sleeves, the liquid return sleeves and the liquid inlet sleeves, so that the valve core components can form a mechanically-connected whole body, can be conveniently mounted into or dismounted from the valve body, can be quickly maintained, and can effectively ensure that the normal production is carried out.
Description
Technical field
The utility model relates to a kind of hydraulic directio control valve, refers in particular to a kind of coal mine hydraulic supporting and uses three position four-way directional control valve.
Background technology
Reversal valve is that operating personnel control the essential Hydraulic Elements of mine hydraulic bracket; The high-pressure emulsion that it sends emulsion power pack here is transported to the corresponding executing agency of mine hydraulic bracket according to the requirement of pre-determined coal winning technology, to guarantee orderly normally the carrying out of coal mining production safety.Because the special nature of producing; Make the coal work field environmental condition comparatively abominable, the frequency of utilization of reversal valve is high simultaneously, and the sealing that is directed in the reversal valve is easy to damage; And common reversal valve dismounting is difficult; Maintenance time is long, and repair quality can not be fully guaranteed, and has a strong impact on normally carrying out of production.
The utility model content
The purpose of the utility model is to provide a kind of dependable performance, and a kind of mine hydraulic bracket that is easy to the quickly dismantled maintenance is used three position four-way directional control valve.
For achieving the above object, the solution that the utility model is taked is: a kind of coal mine hydraulic supporting is used three position four-way directional control valve, and it comprises operating mechanism, valve body and core assembly.Valve body top vertically offers the slotted hole of two symmetries; One cover core assembly respectively is housed in two slotted holes; Offer two circular holes perpendicular to two slotted hole axis on the line of symmetry of two slotted holes, this two circular hole is respectively as inlet and liquid return hole, and valve body lower portion two slotted holes of postponing offer two screwed holes; Respectively adorn a joint, export as working solution.Every cover core assembly is made up of bar cover, time liquid cover, feed liquor cover, push rod, valve rod, valve pad and spring etc.; Bar cover lower end is connected with the mode of returning liquid set upper side employing journal bearing structure; Going back to liquid cover lower end is connected with closely-pitched left hand thread with the feed liquor set upper side; The center that push rod, valve rod, valve pad and spring etc. place by the bar cover, return the valve pocket string that liquid cover and feed liquor cover connect into makes core assembly become an integral body of mechanical connection, in the valve body of can packing into convenient, fast, reliably or from valve body, split out.Operating mechanism comprises valve gap, cam, camshaft, briquetting, handle and screw; Cam, camshaft and briquetting place the inside groove of said valve gap; Handle is installed in two outsides that place valve gap, and can rotate a certain angle along the circular arc of valve gap, and valve gap is screwed the upper surface in valve body.
Description of drawings
Fig. 1 is the structure sectional view of the utility model.
Fig. 2 is the half sectional view of core assembly in the utility model.
Fig. 3 is the half sectional view of operating mechanism in the utility model.
Among the figure: operating mechanism 1, valve body 2, core assembly 3, screw 4, two slotted holes 5,6, line of symmetry 7, axis 8; Inlet 9, liquid return hole 10, joint 11,12, working solution outlet 13,14, bar cover 15 returns liquid cover 16, feed liquor cover 17; Push rod 18, valve rod 19, valve pad 20,21, spring 22,23, valve gap 24, cam 25; Camshaft 26, briquetting 27,28, handle 29, inside groove 30, the outside 31. circular arcs 32, bearing arrangement 33.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is remake description.
Referring to Fig. 1, a kind of coal mine hydraulic supporting is used three position four-way directional control valve, and it comprises operating mechanism (1), valve body (2) and core assembly (3).
Referring to Fig. 1, valve body top vertically offers the slotted hole (5,6) of two symmetries, two slotted holes (5; One cover core assembly (3) respectively is housed 6), offers two circular holes perpendicular to two slotted hole axis (8) on the line of symmetry (7) of two slotted holes (5,6), this two circular hole is respectively as inlet (9) and liquid return hole (10); Valve body (4) bottom two slotted holes (5,6) of postponing offer two screwed holes, respectively adorn a joint (11; 12), as working solution outlet (13,14).
Referring to Fig. 2; Core assembly (3) is made up of bar cover (15), time liquid cover (16), feed liquor cover (17), push rod (18), valve rod (19), valve pad (20,21) and spring (22,23); Bar cover (15) lower end is connected with the mode of returning liquid cover (16) upper end employing journal bearing structural formula (33); Go back to liquid cover (16) lower end and be connected push rod (18), valve rod (19), valve pad (20,21) and spring (22 with closely-pitched left hand thread with feed liquor cover (17) upper end; 23) center of etc. place by bar cover (15), returning the valve pocket string that liquid cover (16) and feed liquor cover (17) connect into makes core assembly (3) become an integral body of mechanical connection; Can pack in the valve body easily or from valve body, split out, maintenance ensures normally carrying out of producing rapidly effectively.
Referring to Fig. 3, operating mechanism (1) comprises valve gap (24), cam (25), camshaft (26), briquetting (27,28), handle (29) and screw (4).Cam (25), camshaft (26) and briquetting (27; 28) place the inside groove of said valve gap; Handle (29) is installed in two outsides that place valve gap (24), and can rotate a certain angle along the circular arc of valve gap (24), and valve gap (24) is fixed in the upper surface of valve body with screw (4).
Claims (4)
1. a coal mine hydraulic supporting is used three position four-way directional control valve, and it comprises operating mechanism (1), valve body (2) and core assembly (3).
2. mine hydraulic bracket according to claim 1 is used three position four-way directional control valve; It is characterized in that: said operating mechanism (1) comprises valve gap (24), cam (25), camshaft (26), briquetting (27; 28), handle (29) and screw (4); Said cam (25), camshaft (26) and briquetting (27,28) place the inside groove (30) of said valve gap (24), and said handle (29) is installed in two outsides (31) of said valve gap (24); And can rotate a certain angle along the circular arc (32) of said valve gap, said valve gap (24) is fixed in the upper surface of said valve body (2) with said screw (4).
3. mine hydraulic bracket according to claim 1 is used three position four-way directional control valve, it is characterized in that: described valve body (2) top vertically offers the slotted hole (5,6) of two symmetries; One cover core assembly (3) respectively is housed, two slotted holes (5 in two slotted holes (5,6); 6) offer two circular holes perpendicular to two slotted hole axis (8) on the line of symmetry (7), this two circular hole is respectively as inlet (9) and liquid return hole (10), and valve body (2) bottom two slotted holes (6) of postponing offer two screwed holes; Respectively adorn a joint (11; 12), as working solution outlet (13,14).
4. mine hydraulic bracket according to claim 1 is used three position four-way directional control valve; It is characterized in that: described core assembly (3) comprises bar cover (15), returns liquid cover (16), feed liquor cover (17), push rod (18), valve rod (19), valve pad (20; 21) and spring (22; 23), bar cover (15) lower end adopts the mode of journal bearing structure (33) to be connected with going back to liquid cover (16) upper end, goes back to liquid cover (16) lower end and is connected with closely-pitched left hand thread with feed liquor cover (17) upper end; Push rod (18), valve rod (19), valve pad (20; 21) and spring (22,23) etc. places by bar cover (15), the center of returning the valve pocket string that liquid cover (16) and feed liquor cover (17) connect into makes core assembly (3) become an integral body of mechanical connection, whole core assembly (3) is connected with internal thread on the valve body by the external screw thread of bar cover (15) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201047134U CN202165100U (en) | 2011-08-22 | 2011-08-22 | Three-position four-way reversing valve for coal mine hydraulic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201047134U CN202165100U (en) | 2011-08-22 | 2011-08-22 | Three-position four-way reversing valve for coal mine hydraulic bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202165100U true CN202165100U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201047134U Expired - Fee Related CN202165100U (en) | 2011-08-22 | 2011-08-22 | Three-position four-way reversing valve for coal mine hydraulic bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202165100U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470282A (en) * | 2013-09-16 | 2013-12-25 | 丰隆液压有限公司 | Integrally-inserted conical sealing reversal valve |
| CN107725081A (en) * | 2017-11-20 | 2018-02-23 | 鸿大智能机械有限公司 | Soft seal high flow directional control valve |
| CN107725082A (en) * | 2017-11-20 | 2018-02-23 | 鸿大智能机械有限公司 | The depression bar assembly of soft seal high flow directional control valve |
| CN110500329A (en) * | 2019-08-24 | 2019-11-26 | 浙江创越矿业科技有限公司 | A kind of mining reversal valve |
-
2011
- 2011-08-22 CN CN2011201047134U patent/CN202165100U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470282A (en) * | 2013-09-16 | 2013-12-25 | 丰隆液压有限公司 | Integrally-inserted conical sealing reversal valve |
| CN107725081A (en) * | 2017-11-20 | 2018-02-23 | 鸿大智能机械有限公司 | Soft seal high flow directional control valve |
| CN107725082A (en) * | 2017-11-20 | 2018-02-23 | 鸿大智能机械有限公司 | The depression bar assembly of soft seal high flow directional control valve |
| CN110500329A (en) * | 2019-08-24 | 2019-11-26 | 浙江创越矿业科技有限公司 | A kind of mining reversal valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20170822 |