CN101865317A - Electromagnetic unloading valve of emulsion pump station - Google Patents
Electromagnetic unloading valve of emulsion pump station Download PDFInfo
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- CN101865317A CN101865317A CN201010179721A CN201010179721A CN101865317A CN 101865317 A CN101865317 A CN 101865317A CN 201010179721 A CN201010179721 A CN 201010179721A CN 201010179721 A CN201010179721 A CN 201010179721A CN 101865317 A CN101865317 A CN 101865317A
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Abstract
The invention relates to an electromagnetic unloading valve of an emulsion pump station, which mainly and structurally consists of a main valve body, a main valve, a pilot valve, an electromagnetic valve, an electromagnet, a filter, a transition plate, a joint assembly and a liquid hole. The electromagnetic unloading valve is controlled by a microcomputer, the design of combining the main valve, the pilot valve and the electromagnetic valve is adopted, and the problems of unstable hydraulic unloading pressure and difficult pressure regulation of a coal mine underground emulsion pump station and a support protection support frame are effectively solved. The device of the invention has the advantages of advanced design, compact structure, convenient installation and use, safety, stability, reliability, good unloading effect, high response speed and stable liquid supply pressure, and belongs to the ideal electromagnetic unloading valve of the emulsion pump station.
Description
Technical field
The present invention relates to a kind of electromagnetic unloading valve of emulsion power pack, belong to the technical field of coal mine support corollary equipment.
Background technique
Modern colliery requires more and more higher to the automation of supporting, extractive equipment, the hydraulic prop support is one of capital equipment of comprehensive mechanical coal mining, its power source is provided by emulsion power pack, the continuous output liquid of emulsion power pack, by the flow of feather valve controlling liquid, make it stable liquid supply pressure.
Present feather valve has mechanical type and electronic type, and mechanical type can only manual tune, the pressure regulation difficulty; Electronic type adopts microcomputer, pressure switch to regulate, can realize control automatically, but the electronics feather valve must connect with the flame proof electric interfaces, there are shortcomings such as volume is big, quality heavy, power consumption is high, bad dynamic performance, installation and maintenance inconvenience, external intrinsic safety type electric feather valve price height, exist explosion-proof criteria can not compatibility etc. shortcoming, do not meet the safety standard of China.
Summary of the invention
Goal of the invention
Purpose of the present invention is exactly at disadvantages of background technology, design a kind of electromagnetic unloading valve of novel colliery emulsion power pack, unload current carrying capacity and speed of response with what increase substantially emulsion power pack, make liquid supply pressure stable, with Security and the efficient requirement that improves feather valve.
Technological scheme
Main structure of the present invention by: main valve body, main valve, pilot valve, solenoid valve, electromagnet, filter, transition plate, adapter assembly are formed; Main valve body is a cuboid, is main valve in the main valve body; Main valve top connects pilot valve, and by liquid hole UNICOM; The main valve left part connects solenoid valve, and the solenoid valve left part connects electromagnet, and the solenoid valve bottom connects transition plate, and the transition plate left part connects filter; Filter interior is led to liquid pass hole connecting joint assembly, adapter assembly UNICOM pilot valve, pilot valve UNICOM main valve; The right outside logical liquid pass hole of main valve is blocked by screw plug; The logical liquid pass hole UNICOM of solenoid valve main valve, pilot valve; Solenoid valve is controlled after connecting electrical-controller by electromagnet; The interior emulsion power pack of the liquid entering hole of filter by main valve body and coal mine roadway connects.
Described main valve body is cuboid, and the centre is a main valve chamber, is provided with back sap cavity, admission chamber, active chamber in the main valve chamber from top to bottom, returns sap cavity right part UNICOM liquid return hole, admission chamber left part UNICOM liquid entering hole, active chamber right part UNICOM working hole; The inner main valve of installing of main liquid cavity, main valve chamber top connects pilot valve; The main valve chamber bottom is blind chamber.
Described main valve, in main valve body inside is sap cavity, the liquid mouth of sap cavity middle part for connecting, the sap cavity right part is provided with liquid pass hole, and inside, a sap cavity left side is provided with main valve plug, and is located by spring, the right inside of sap cavity is provided with nonreturn valve core, and, being provided with ring washer, seal ring about part in the main valve by the spring location, ring washer, sealing enclose the sealing and fixing effect.
Described pilot valve, in pilot valve inside is middle sap cavity, top is last sap cavity, the bottom is following sap cavity, in piston seat, piston sleeve, piston, valve seat, ceramic ball, cone valve, spring, spring seat, screw rod, feed screw nut are housed in the middle of in the sap cavity, and by fixed by nut, about portion block by piston seat, dust cap, last sap cavity top connects with adapter assembly, and connects with filter by pipeline; Following sap cavity gos deep in the main valve body, connects with main valve; Following sap cavity outside is provided with seal ring; The piston seat bottom is provided with seal ring; Be provided with seal ring between piston sleeve, valve seat and the middle valve pocket.
Described solenoid valve, the valve body inside middle is a valve pocket, left guide sleeve, middle guide sleeve, valve seat, right guide sleeve are housed in valve pocket from left to right successively, left ceramic ball, left piston bar are housed in left, the middle guide sleeve, right ceramic ball, right piston rod are housed in the right guide sleeve; And fix by spring housing, spring, by push rod middle ceramic ball, right ceramic ball are kept at a distance about the valve seat at middle part; A ceramic ball left side, a left side is outside to contact connection with controlling rod, and controlling rod is fixed by bolt mother, fixing pin, roller and regulated; Portion is blocked by screw plug about valve body; In the valve body, valve pocket top is provided with liquid pass hole, and with valve pocket UNICOM, be provided with damping block, liquid pass hole about the bottom in the valve body, the interior liquid hole of liquid pass hole and main valve body connects.
Beneficial effect
The present invention compares with background technique has tangible advance, electromagnetic unloading valve by microcomputer, pressure switch control, the design of adopting main valve, pilot valve, solenoid valve to combine, effectively solved under the coal mine, emulsion power pack, the hydraulic pressure unloading of support frame, underfed, pressure regulation problem of difficult, this device advanced design, compact structure, easy to install, safety and stability is reliable, unload effective, speed of response is fast, is the electromagnetic unloading valve of very good emulsion power pack.
Description of drawings
Fig. 1 is the overall structure plan view
Fig. 2 is the main valve body structural drawing
Fig. 3 is the main valve structural drawing
Fig. 4 is the pilot valve structural drawing
Fig. 5 is electromagnetic valve structure figure
Shown in the figure, list of numerals is as follows:
1, main valve body, 2, main valve, 3, pilot valve, 4, solenoid valve, 5, electromagnet, 6, filter, 7, transition plate, 8, adapter assembly, 9, screw plug, 10, main valve chamber, 11, cross sap cavity, 12, return sap cavity, 13, active chamber, 14, liquid entering hole, 15, liquid return hole, 16, working hole, 17, sap cavity, 18, the liquid mouth, 19, main valve plug, 20, nonreturn valve core, 21, liquid pass hole, 22, liquid pass hole, 23, spring, 24, spring, 25, ring washer, 26, seal ring, 27, the liquid hole, 28, the liquid hole, 29, the liquid hole, 30, lower valve chamber, 31, last sap cavity, 32, middle valve pocket, 33, piston, 34, piston seat, 35, piston sleeve, 36, the feed screw nut, 37, screw rod, 38, nut, 39, spring, 40, cone valve, 41, ceramic ball, 42, valve seat, 43, guide sleeve, 44, seal ring, 45, dust cover, 46, seal ring, 47, seal ring, 48, seal ring, 49, seal ring, 50, valve pocket, 51, spring seat, 52, spring, 53, valve seat, 54, left side guide sleeve, 55, middle guide sleeve, 56, right spring seat, 57, controlling rod, 58, the bolt mother, 59, roller, 60, liquid pass hole, 61, damping block, 62, damping block, 63, filtering hole, 64, left side ceramic ball, 65, middle ceramic ball, 66, right ceramic ball, 67, screw plug, 68, screw plug, 69, the liquid hole, 70, the liquid hole, 71, fixing pin, 72, following sap cavity, 73, liquid pass hole, 74, piston rod, 75, push rod, 76, right piston rod, 77, seal ring, 78, ring washer.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Figure 1, be overall structure figure, each position, it is correct that connecting relation is wanted, and installs firmly.
The inside of main valve body 1 is main valve 2, and the top of main valve body 1, main valve 2 is pilot valve 3, and the left part of main valve body 1 is a solenoid valve 4, and the left part of solenoid valve 4 is an electromagnet 5; The bottom of solenoid valve 4 is a transition plate 7, and the left part of transition plate 7 is a filter 6; The logical liquid pass hole 70 of main valve 2 right parts is blocked by screw plug 9; The logical liquid pass hole 27 in main valve 2 tops connects with pilot valve 3; Filter 6 connects with adapter assembly 8, pilot valve 3 by transition plate 7, liquid hole 28, and logical liquid pass hole 29 connects with main valve 2; Solenoid valve 4 inner logical liquid pass holes 69 connect liquid entering hole 14 UNICOMs on filter 6 and the main valve body 1, and UNICOM's emulsion power pack with main valve 2.
Shown in Figure 2, be main valve body 1 structural drawing, main valve body 1 is a cuboid, inside is main valve chamber 10, and sap cavity 12, admission chamber 11, active chamber 13 return in main valve chamber 10 UNICOMs, returns sap cavity 12 UNICOM's liquid return holes 15, admission chamber 11 UNICOM's liquid entering holes 14, active chamber 13 UNICOM's working holes 16, each chamber is UNICOM each other.
Shown in Figure 3, be main valve 2 structural drawing, be sap cavity 17 in the main valve 2, sap cavity 17 left parts are provided with main valve plug 19, and by spring 23 stationary positioned, sap cavity 17 right parts are provided with nonreturn valve core 20, and by spring 24 and guide sleeve 43 stationary positioned, about hold and block by seal ring 77, ring washer 78; In the middle of the main valve 2 is liquid mouth 18, and both sides were liquid mouth 21,22; Main valve 2 middle parts are provided with ring washer 25, seal ring 26.
Shown in Figure 4, be pilot valve 3 structural drawing, pilot valve 3 inside are middle valve pocket 32, top is uuper valve chamber 31, the bottom is a lower valve chamber 30, being provided with piston seat 34, piston sleeve 35, piston 33, valve seat 42, ceramic ball 41, cone valve 40, spring 39, spring seat 51, screw rod 37, feed screw nut 36, nut 38 from left to right in the middle valve pocket 32, is piston 33 in the piston sleeve 35, and two end part are blocked by piston seat 34, dust cover 45; Pilot valve 3 lower left quarters are seal ring 44; Be provided with seal ring 46,47,48 between piston sleeve 35, valve seat 42, piston seat 34 and the middle sap cavity 32; Following sap cavity 30 outsides are provided with seal ring 49.
Shown in Figure 5, be solenoid valve 4 structural drawing, in the solenoid valve 4 is valve pocket 50, is provided with left ceramic ball 64, left guide sleeve 54, middle guide sleeve 55, left piston bar 74, middle ceramic ball 65, valve seat 53, push rod 75, right ceramic ball 66, right spring seat 56, right piston rod 76, spring 52 in the valve pocket 50 from left to right successively; Left side ceramic ball 64 contacts with controlling rod 57, and by bolt mother 58, fixing pin 71, roller 59 stationary positioned, valve pocket about 50 ends are blocked by screw plug 67,68; Valve pocket 50 tops are provided with and are provided with damping block 61,62 and liquid pass hole 63,73 about liquid pass hole 60, bottom.
Claims (5)
1. the electromagnetic unloading valve of an emulsion power pack is characterized in that: main structure by: main valve body, main valve, pilot valve, solenoid valve, electromagnet, filter, transition plate, adapter assembly are formed; Main valve body is a cuboid, is main valve in the main valve body; Main valve top connects pilot valve, and by liquid hole UNICOM; The main valve left part connects solenoid valve, and the solenoid valve left part connects electromagnet, and the solenoid valve bottom connects transition plate, and the transition plate left part connects filter; Filter interior is led to liquid pass hole connecting joint assembly, adapter assembly UNICOM pilot valve, pilot valve UNICOM main valve; The right outside logical liquid pass hole of main valve is blocked by screw plug; The logical liquid pass hole UNICOM of solenoid valve main valve, pilot valve; Solenoid valve is controlled after connecting electrical-controller by electromagnet; The interior emulsion power pack of the liquid entering hole of filter by main valve body and coal mine roadway connects.
2. the electromagnetic unloading valve of emulsion power pack according to claim 1, it is characterized in that: described main valve body, be cuboid, the centre is a main valve chamber, be provided with back sap cavity, admission chamber, active chamber in the main valve chamber from top to bottom, return sap cavity right part UNICOM liquid return hole, admission chamber left part UNICOM liquid entering hole, active chamber right part UNICOM working hole; The inner main valve of installing of main liquid cavity, main valve chamber top connects pilot valve; The main valve chamber bottom is blind chamber.
3. the electromagnetic unloading valve of emulsion power pack according to claim 1, it is characterized in that: described main valve, in main valve body inside is sap cavity, the liquid mouth of sap cavity middle part for connecting, and the sap cavity right part is provided with liquid pass hole, inside, a sap cavity left side is provided with main valve plug, and by the spring location, the right inside of sap cavity is provided with nonreturn valve core, and is located by spring, be provided with ring washer, seal ring about part in the main valve, ring washer, sealing enclose the sealing and fixing effect.
4. the electromagnetic unloading valve of emulsion power pack according to claim 1, it is characterized in that: described pilot valve, in pilot valve inside is middle sap cavity, top is last sap cavity, and the bottom is following sap cavity, and piston seat, piston sleeve, piston, valve seat, ceramic ball, cone valve, spring, spring seat, screw rod, feed screw nut are equipped with in the centre in the middle sap cavity, and by fixed by nut, about portion block by piston seat, dust cap, last sap cavity top connects with adapter assembly, and connects with filter by pipeline; Following sap cavity gos deep in the main valve body, connects with main valve; Following sap cavity outside is provided with seal ring; The piston seat bottom is provided with seal ring; Be provided with seal ring between piston sleeve, valve seat and the middle valve pocket.
5. the electromagnetic unloading valve of emulsion power pack according to claim 1, it is characterized in that: described solenoid valve, the valve body inside middle is a valve pocket, left guide sleeve, middle guide sleeve, valve seat, right guide sleeve are housed in valve pocket from left to right successively, left ceramic ball, left piston bar are housed in left, the middle guide sleeve, right ceramic ball, right piston rod are housed in the right guide sleeve; And fix by spring housing, spring, by push rod middle ceramic ball, right ceramic ball are kept at a distance about the valve seat at middle part; A ceramic ball left side, a left side is outside to contact connection with controlling rod, and controlling rod is fixed by bolt mother, fixing pin, roller and regulated; Portion is blocked by screw plug about valve body; In the valve body, valve pocket top is provided with liquid pass hole, and with valve pocket UNICOM, be provided with damping block, liquid pass hole about the bottom in the valve body, the interior liquid hole of liquid pass hole and main valve body connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101797215A CN101865317B (en) | 2010-05-19 | 2010-05-19 | Electromagnetic unloading valve of emulsion pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101797215A CN101865317B (en) | 2010-05-19 | 2010-05-19 | Electromagnetic unloading valve of emulsion pump station |
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| CN101865317A true CN101865317A (en) | 2010-10-20 |
| CN101865317B CN101865317B (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101797215A Active CN101865317B (en) | 2010-05-19 | 2010-05-19 | Electromagnetic unloading valve of emulsion pump station |
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| CN (1) | CN101865317B (en) |
Cited By (6)
| 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 |
| CN104314923A (en) * | 2014-08-20 | 2015-01-28 | 北京天地玛珂电液控制系统有限公司 | Safety valve liquid return system and integrated safety valve liquid return valve block |
| CN110285244A (en) * | 2019-07-23 | 2019-09-27 | 天津新科成套仪表有限公司 | A kind of unload-type pilot valve |
| CN114087249A (en) * | 2021-11-18 | 2022-02-25 | 国能神东煤炭集团有限责任公司 | Electro-hydraulic pressure control system and control method |
| CN117989380A (en) * | 2024-04-02 | 2024-05-07 | 常州克劳诺斯特种轴承制造有限公司 | Valve body for quantitative discharge and quantitative discharge method thereof |
| CN117989380B (en) * | 2024-04-02 | 2024-05-31 | 常州克劳诺斯特种轴承制造有限公司 | Valve body for quantitative discharge and quantitative discharge method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000144813A (en) * | 1998-11-13 | 2000-05-26 | Hitachi Constr Mach Co Ltd | Hydraulic circuit for hydraulic shovel |
| CN2799862Y (en) * | 2005-02-05 | 2006-07-26 | 浙江中煤矿业有限公司 | Flow control valve |
| CN2906159Y (en) * | 2006-02-11 | 2007-05-30 | 中国矿业大学 | Electrohydraulic unloading valve with hydraulic control and electrohydraulic control operation modes |
| CN201184207Y (en) * | 2008-03-10 | 2009-01-21 | 江苏朝阳液压机械集团有限公司 | Main control valve of hydraulic support electrohydraulic control system |
| CN201671900U (en) * | 2010-05-19 | 2010-12-15 | 煤炭科学研究总院太原研究院 | Electromagnetic unloading valve of emulsion pump station |
-
2010
- 2010-05-19 CN CN2010101797215A patent/CN101865317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000144813A (en) * | 1998-11-13 | 2000-05-26 | Hitachi Constr Mach Co Ltd | Hydraulic circuit for hydraulic shovel |
| CN2799862Y (en) * | 2005-02-05 | 2006-07-26 | 浙江中煤矿业有限公司 | Flow control valve |
| CN2906159Y (en) * | 2006-02-11 | 2007-05-30 | 中国矿业大学 | Electrohydraulic unloading valve with hydraulic control and electrohydraulic control operation modes |
| CN201184207Y (en) * | 2008-03-10 | 2009-01-21 | 江苏朝阳液压机械集团有限公司 | Main control valve of hydraulic support electrohydraulic control system |
| CN201671900U (en) * | 2010-05-19 | 2010-12-15 | 煤炭科学研究总院太原研究院 | Electromagnetic unloading valve of emulsion pump station |
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 |
| 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 |
| CN104314923A (en) * | 2014-08-20 | 2015-01-28 | 北京天地玛珂电液控制系统有限公司 | Safety valve liquid return system and integrated safety valve liquid return valve block |
| CN110285244A (en) * | 2019-07-23 | 2019-09-27 | 天津新科成套仪表有限公司 | A kind of unload-type pilot valve |
| CN110285244B (en) * | 2019-07-23 | 2024-01-26 | 天津新科成套仪表有限公司 | Unloading director |
| CN114087249A (en) * | 2021-11-18 | 2022-02-25 | 国能神东煤炭集团有限责任公司 | Electro-hydraulic pressure control system and control method |
| CN114087249B (en) * | 2021-11-18 | 2023-05-26 | 国能神东煤炭集团有限责任公司 | Electrohydraulic pressure control system and control method |
| CN117989380A (en) * | 2024-04-02 | 2024-05-07 | 常州克劳诺斯特种轴承制造有限公司 | Valve body for quantitative discharge and quantitative discharge method thereof |
| CN117989380B (en) * | 2024-04-02 | 2024-05-31 | 常州克劳诺斯特种轴承制造有限公司 | Valve body for quantitative discharge and quantitative discharge method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865317B (en) | 2011-11-16 |
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