CN101871537A - Mining intrinsic safety electro-hydraulic control reversing valve core component - Google Patents
Mining intrinsic safety electro-hydraulic control reversing valve core component Download PDFInfo
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- CN101871537A CN101871537A CN 201010210032 CN201010210032A CN101871537A CN 101871537 A CN101871537 A CN 101871537A CN 201010210032 CN201010210032 CN 201010210032 CN 201010210032 A CN201010210032 A CN 201010210032A CN 101871537 A CN101871537 A CN 101871537A
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Abstract
The invention discloses a mining intrinsic safety electro-hydraulic control reversing valve core component which comprises a control port (1), a liquid return hole (2), a liquid inlet (3), a work port (4), a screw plug (5), a valve sleeve (6), a piston (7), a valve core (8), a valve seat (9), a steel wire key (10), a spring (11) and a pressure oil hole valve sleeve (12), wherein the valve sleeve (6) is provided with the control port (1), the liquid return hole (2) and the liquid inlet (3); a groove is arranged between the valve sleeve (6) and the screw plug (5), and is internally provided with a 6-phi 3 steel ball; the valve sleeve (6) is internally provided with the piston (7) which is internally provided with the valve core (8); the spring (11) which is arranged between the valve core (8) and the pressure oil hole valve sleeve (12) is sheathed outside the valve core (8); the valve sleeve (6) is connected with the pressure oil hole valve sleeve (12) by the steel wire key (10) of 0.3-0.8mm; one end of the pressure oil hole valve sleeve (12) is provided with the work port (4); and the valve seat (9) is positioned between the pressure oil hole valve sleeve (12) and the valve sleeve (6). The mining intrinsic safety electro-hydraulic control reversing valve core component solves the affiliation phenomenon of a valve core component with the existing structure caused by the same material state when the valve core component is screwed into a main valve body.
Description
Technical field:
The invention belongs to modern coal comprehensive mining outfit.Be specifically related to a kind of mining intrinsic safety electro-hydraulic control reversing valve core assembly.
Background technique
When hydraulic support uses in the down-hole, by mining intrinsic safety electro liquid valve the direction of liquid stream in the support hydraulic system is controlled, realize lifting, oil cylinder or jack flexible of column, and then finish hydraulic support stand, move frame, various feature operations such as pushing and sliding, anti-down, discharge top coal, thereby guarantee the proper functioning of support apparatus.Mining intrinsic safety electro-hydraulic control reversing valve is made up of electromagnetic priority valve and pilot operated directional control valve two-part, and a plurality of selector valves are formed a selector valve group, are modular construction, and each unit comprises a pair of hydraulic control main control valve and corresponding a pair of electromagnetic priority valve.Oil hydraulic cylinder of each unit may command of selector valve group.The mangetic core assembly of existing structure is when screwing in main valve body, because the identical affinity phenomenon that causes of material state, and making valve pocket and valve body inner bore grind extremely, mangetic core assembly can not normally be dismantled, and influences a whole set of selector valve and normally uses.
Summary of the invention:
The mangetic core assembly that the invention solves existing structure is when screwing in main valve body, because the identical affinity phenomenon that causes of material state, and making valve pocket and valve body inner bore grind extremely, mangetic core assembly can not normally be dismantled, and influences the normal problem of using of a whole set of selector valve.
The present invention can be achieved through the following technical solutions: a kind of mining intrinsic safety electro-hydraulic control reversing valve core assembly, comprise control mouth 1, liquid return hole 2, liquid entering hole 3, working hole 4, screw plug 5, valve pocket 6, piston 7, spool 8, valve seat 9, steel wire key 10, spring 11, press hydraulic fluid port valve pocket 12, on valve pocket 6, be provided with control mouth 1, liquid return hole 2, liquid entering hole 3, be provided with groove between valve pocket 6 and the screw plug 5, be provided with 6-φ 3 steel balls in the groove, be provided with piston 7 in the valve pocket 6, be provided with spool 8 in the piston 7, the spool 8 outer springs 11 that place between spool 8 and the pressure hydraulic fluid port valve pocket 12 that are with, valve pocket 6 is connected with the steel wire key 10 of pressing hydraulic fluid port valve pocket 12 by 0.3-0.8mm, be provided with working hole 4 at an end of pressing hydraulic fluid port valve pocket 12, press between hydraulic fluid port valve pocket 12 and the valve pocket 6 and be provided with valve seat 9.Screw plug 5 is selected Cu alloy material for use, and valve pocket 6, piston 7, spool 8, pressure hydraulic fluid port valve pocket 12, steel wire 10 are selected stainless steel material for use, and valve seat 9 is selected polyether-ether-ketone for use.The slotted eye of spool 8 is shaped as rectangle.
The present invention compared with prior art has following beneficial effect: the modular construction compactness, in light weight, good seal, easy accessibility, guaranteeing that the commutation flexible movements are reliable, satisfying under the prerequisite of working pressure and flow, effectively reduce manufacture cost, have long working life and good maintainability.Be suitable for using in, the situation complex operating environment abominable in the down-hole, operation.Be applicable to modernized coal comprehensive mining electrohydraulic control system as executive component, drive hydraulic support and finish exercises.
Four, description of drawings
Fig. 1 is a structural representation of the present invention
Five, embodiment
A kind of mining intrinsic safety electro-hydraulic control reversing valve core assembly, comprise control mouth 1, liquid return hole 2, liquid entering hole 3, working hole 4, screw plug 5, valve pocket 6, piston 7, spool 8, valve seat 9, steel wire key 10, spring 11, press hydraulic fluid port valve pocket 12, on valve pocket 6, be provided with control mouth 1, liquid return hole 2, liquid entering hole 3, be provided with groove between valve pocket 6 and the screw plug 5, be provided with 6-φ 3 steel balls in the groove, be provided with piston 7 in the valve pocket 6, be provided with spool 8 in the piston 7, the slotted eye of spool 8 is shaped as rectangle, the spool 8 outer springs 11 that place between spool 8 and the pressure hydraulic fluid port valve pocket 12 that are with, valve pocket 6 is connected with the steel wire key 10 of pressing hydraulic fluid port valve pocket 12 by 0.6mm, be provided with working hole 4 at an end of pressing hydraulic fluid port valve pocket 12, press between hydraulic fluid port valve pocket 12 and the valve pocket 6 and be provided with valve seat 9.Screw plug 5 is selected brass for use, and valve pocket 6, piston 7, spool 8, pressure hydraulic fluid port valve pocket 12, steel wire 10 are selected stainless steel material for use, and valve seat 9 is selected polyether-ether-ketone for use.
Pilot operated directional control valve and the electromagnetic priority valve be made up of the mining intrinsic safety electro-hydraulic control reversing valve core assembly have constituted mining intrinsic safety electro-hydraulic control reversing valve jointly, a plurality of selector valves are formed a selector valve group, be modular construction, each unit comprises a pair of hydraulic control main control valve and one group of corresponding electromagnetic priority valve.One of each unit may command of selector valve group, or pair of hydraulic cylinders.Behind the electromagnetic pilot valve events, make system liquid stream by pilot operated directional control valve, and the spool in the actuating valve core assembly or piston make it change the position, come opening and closing of Control work mouth, thereby realize the commutation function of electric-hydraulic control reversing valve.The mangetic core assembly of mining intrinsic safety electro-hydraulic control reversing valve is a two position three-way valve, forms three-position four-way valve by a unit in two two position three-way valves and the main valve body.
Claims (3)
1. mining intrinsic safety electro-hydraulic control reversing valve core assembly, comprise control mouthful (1), liquid return hole (2), liquid entering hole (3), working hole (4), screw plug (5), valve pocket (6), piston (7), spool (8), valve seat (9), steel wire key (10), spring (11), press hydraulic fluid port valve pocket (12), it is characterized in that: on valve pocket (6), be provided with control mouthful (1), liquid return hole (2), liquid entering hole (3), be provided with groove between valve pocket (6) and the screw plug (5), be provided with 6-φ 3 steel balls in the groove, be provided with piston (7) in the valve pocket (6), be provided with spool (8) in the piston (7), the outer spring (11) that places between spool (8) and the pressure hydraulic fluid port valve pocket (12) that is with of spool (8), valve pocket (6) is connected with the steel wire key (10) of pressing hydraulic fluid port valve pocket (12) by 0.3-0.8mm, be provided with working hole (4) at an end of pressing hydraulic fluid port valve pocket (12), press between hydraulic fluid port valve pocket (12) and the valve pocket (6) and be provided with valve seat (9).
2. according to the described a kind of mining intrinsic safety electro-hydraulic control reversing valve core assembly of claim 1, it is characterized in that: screw plug (5) is selected Cu alloy material for use, valve pocket (6), piston (7), spool (8), pressure hydraulic fluid port valve pocket (12), steel wire (10) are selected stainless steel material for use, and valve seat (9) is selected polyether-ether-ketone for use.
3. according to claim 1 or 2 described a kind of mining intrinsic safety electro-hydraulic control reversing valve core assemblies, it is characterized in that: the slotted eye of spool (8) is shaped as rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010210032 CN101871537A (en) | 2010-06-21 | 2010-06-21 | Mining intrinsic safety electro-hydraulic control reversing valve core component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010210032 CN101871537A (en) | 2010-06-21 | 2010-06-21 | Mining intrinsic safety electro-hydraulic control reversing valve core component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101871537A true CN101871537A (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010210032 Pending CN101871537A (en) | 2010-06-21 | 2010-06-21 | Mining intrinsic safety electro-hydraulic control reversing valve core component |
Country Status (1)
| Country | Link |
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| CN (1) | CN101871537A (en) |
Cited By (9)
| 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 |
| CN103334776A (en) * | 2013-05-28 | 2013-10-02 | 山西平阳广日机电有限公司 | Integral plug-in valve core assembly for hand-operated direction valve |
| CN103807484A (en) * | 2012-11-12 | 2014-05-21 | 四维增压科技(苏州)有限公司 | Pneumatic high-pressure electromagnetic valve |
| CN106194232A (en) * | 2016-08-30 | 2016-12-07 | 山西平阳广日机电有限公司 | A kind of hand-operated valve core assembly |
| CN107606289A (en) * | 2017-10-11 | 2018-01-19 | 中国航发西安动力控制科技有限公司 | A kind of displacement is from centering valve mechanism |
| CN109538567A (en) * | 2019-01-04 | 2019-03-29 | 天津华宁电子有限公司 | A kind of insert type change-over valve core |
| CN111236998A (en) * | 2019-10-29 | 2020-06-05 | 北京天地玛珂电液控制***有限公司 | Intrinsically safe electro-hydraulic control reversing valve for aqueous medium mine |
| CN111336148A (en) * | 2020-03-24 | 2020-06-26 | 北京天地玛珂电液控制***有限公司 | Valve sleeve, valve core assembly and reversing valve |
| CN114508518A (en) * | 2021-07-20 | 2022-05-17 | 上海大屯能源股份有限公司江苏分公司 | Split type hydraulic reversing valve thread plug |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002206659A (en) * | 2001-01-11 | 2002-07-26 | Denso Corp | Spool valve type hydraulic control valve |
| CN1587720A (en) * | 2004-08-04 | 2005-03-02 | 浙江大学 | Leakless plane type pure water electrohydraulic change valve |
| JP3903675B2 (en) * | 1999-12-28 | 2007-04-11 | アイシン・エィ・ダブリュ株式会社 | Hydraulic valve and hydraulic control device for continuously variable transmission |
| CN201460924U (en) * | 2009-04-30 | 2010-05-12 | 山西平阳重工机械有限责任公司 | Intrinsic safety type electric pilot operated directional control valve for mine |
-
2010
- 2010-06-21 CN CN 201010210032 patent/CN101871537A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3903675B2 (en) * | 1999-12-28 | 2007-04-11 | アイシン・エィ・ダブリュ株式会社 | Hydraulic valve and hydraulic control device for continuously variable transmission |
| JP2002206659A (en) * | 2001-01-11 | 2002-07-26 | Denso Corp | Spool valve type hydraulic control valve |
| CN1587720A (en) * | 2004-08-04 | 2005-03-02 | 浙江大学 | Leakless plane type pure water electrohydraulic change valve |
| CN201460924U (en) * | 2009-04-30 | 2010-05-12 | 山西平阳重工机械有限责任公司 | Intrinsic safety type electric pilot operated directional control valve for mine |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807484A (en) * | 2012-11-12 | 2014-05-21 | 四维增压科技(苏州)有限公司 | Pneumatic high-pressure electromagnetic valve |
| CN103334776A (en) * | 2013-05-28 | 2013-10-02 | 山西平阳广日机电有限公司 | Integral plug-in valve core assembly for hand-operated direction valve |
| 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 |
| CN106194232A (en) * | 2016-08-30 | 2016-12-07 | 山西平阳广日机电有限公司 | A kind of hand-operated valve core assembly |
| CN107606289A (en) * | 2017-10-11 | 2018-01-19 | 中国航发西安动力控制科技有限公司 | A kind of displacement is from centering valve mechanism |
| CN109538567A (en) * | 2019-01-04 | 2019-03-29 | 天津华宁电子有限公司 | A kind of insert type change-over valve core |
| CN109538567B (en) * | 2019-01-04 | 2024-04-05 | 天津华宁电子有限公司 | Plug-in type reversing valve core |
| CN111236998A (en) * | 2019-10-29 | 2020-06-05 | 北京天地玛珂电液控制***有限公司 | Intrinsically safe electro-hydraulic control reversing valve for aqueous medium mine |
| CN111336148A (en) * | 2020-03-24 | 2020-06-26 | 北京天地玛珂电液控制***有限公司 | Valve sleeve, valve core assembly and reversing valve |
| CN114508518A (en) * | 2021-07-20 | 2022-05-17 | 上海大屯能源股份有限公司江苏分公司 | Split type hydraulic reversing valve thread plug |
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| PB01 | Publication | ||
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Application publication date: 20101027 |