CN103723642A - Electric-controlled hydraulic pump station of explosive-proof endless rope winch for mining - Google Patents
Electric-controlled hydraulic pump station of explosive-proof endless rope winch for mining Download PDFInfo
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- CN103723642A CN103723642A CN201410020113.8A CN201410020113A CN103723642A CN 103723642 A CN103723642 A CN 103723642A CN 201410020113 A CN201410020113 A CN 201410020113A CN 103723642 A CN103723642 A CN 103723642A
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Abstract
The invention relates to an electric-controlled hydraulic pump station of an explosive-proof endless rope winch for mining. An explosive-proof motor 2 for mining is connected with a gear oil pump 3; an oil outlet of the gear oil pump 3 is connected with an oil inlet of an electromagnetic reversing valve 5 of a main oil path; a left oil path of the oil outlet of the electromagnetic reversing valve 5 of the main oil path is connected with the oil inlet of an electromagnetic reversing valve 6 of a brake-releasing oil path; a right oil path of the oil outlet of the electromagnetic reversing valve 5 of the main oil path is connected with the oil inlet of an electromagnetic reversing valve 10 of a tightening oil path; the oil outlet of the electromagnetic reversing valve 6 of the brake-releasing oil path is connected with a brake-releasing oil cylinder; the oil outlet of the electromagnetic reversing valve 10 of the tightening oil path is connected with a tightening oil cylinder. The electric-controlled hydraulic pump station is operated in a full-automatic mode, thereby conforming to an explosive-proof requirement for mining. After the pressure of the tightening oil cylinder is set, the pressure of the tightening oil cylinder can be automatically regulated. The electric-controlled hydraulic pump station has the function of automatic braking protection when the oil temperature is too high. The electric-controlled hydraulic pump station is simple and convenient to operate, high in degree of automation and complete in protective functions.
Description
Technical field
The present invention relates to endless rope winch electric-controlled hydraulic pumping plant, relate in particular to mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant.
Background technology
Endless rope haulage is a kind of occurred in recent years novel the development of auxiliary transport in coal mines mode promoted rapidly, and endless-rope system comprises hydraulic power unit and continuous rope continuous drafter two parts.The effect of hydraulic power unit is: one, by the oil cylinder that declutches, control the checking or unclamp of friction roll be wound around continuous rope, two, by tensioning hydro-cylinder, control the tensioning degree of continuous rope.
Conventional hydraulic power unit adopts manual mode, manually controls respectively each change-over valve, switches different oil circuits, realizes the control to brake oil cylinder and continuous rope tensioning hydro-cylinder.Its shortcoming is one, needs the hand change over valve of close-table operation manually, degree of automation, and labour intensity is large, can not remote operation.Two, can not automatically regulate the pressure of tensioning hydro-cylinder, the pressure size of tensioning hydro-cylinder is by the manometric pressure size of manual observation, the pressure of manual regulation tensioning hydro-cylinder.Three, too high without oil temperature, self-actuating brake defencive function.
Summary of the invention
The problems referred to above that exist for overcoming existing hydraulic power unit, the invention provides a kind of mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant, can reach following technical requirements: all-electric operation, meets mine explosion-suppression requirement; After the pressure size of tensioning hydro-cylinder sets, can automatically regulate the pressure of tensioning hydro-cylinder; There is oil temperature too high, self-actuating brake defencive function.
The technical scheme that mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant of the present invention adopts is:
Mine explosion-suppression electrical motor is connected with geared oil pump, the oil outlet of geared oil pump is connected with the oil inlet of working connection solenoid directional control valve, the left oil circuit of the oil outlet of working connection solenoid directional control valve is connected with the oil circuit solenoid directional control valve oil inlet that declutches, and the right oil circuit of the oil outlet of working connection solenoid directional control valve is connected with tensioning oil circuit solenoid directional control valve oil inlet; The oil circuit solenoid directional control valve oil outlet that declutches is connected with the oil cylinder that declutches, and tensioning oil circuit solenoid directional control valve oil outlet is connected with tensioning hydro-cylinder.
The energising of mine explosion-suppression electrical motor, driven gear operation of oil pump, when the right coil of working connection solenoid directional control valve or left coil energising, pump pressure starts to raise; When the right coil of working connection solenoid directional control valve or left coil power-off, pump starts off-load.The pressure size of working connection is regulated by working connection by pass valve, and cw regulates, and pressure raises, and conter clockwise regulates, pressure decreased.
Geared oil pump work, during the energising of working connection solenoid directional control valve left coil, the oil circuit that declutches is connected.While declutching oil circuit solenoid directional control valve coil electricity, the oil cylinder oil inlet that declutches, unclamps brake; While declutching oil circuit solenoid directional control valve coil blackout, the oil cylinder that declutches is drained the oil, and brake is stopped tightly.
Geared oil pump work, during the right coil electricity of working connection solenoid directional control valve, tensioning oil circuit is connected.During the energising of tensioning oil circuit solenoid directional control valve left coil, Hydraulic Pump starts toward energy storage topping up, tensioning cylinder oil-feed, and continuous rope rope starts tensioning; During the right coil electricity of tensioning oil circuit solenoid directional control valve, discharge fluid in energy storage, tensioning cylinder is drained the oil, and continuous rope rope starts slack rope.
Working connection solenoid directional control valve is the two electric control electromagnetic change-over valves of row's formula in flame-proof mine 3-position 4-way.
During the energising of working connection solenoid directional control valve left coil, the oil circuit that declutches is connected.The equal no power of the left and right coil of working connection solenoid directional control valve, when solenoid directional control valve is positioned at meta, is middle row's formula, and spool arrives midway location, and valve is in oil extraction state.During the right coil electricity of working connection solenoid directional control valve, tensioning oil circuit is connected.
The oil circuit solenoid directional control valve that declutches is flame-proof mine two-position three way list electric control electromagnetic change-over valve.
While declutching oil circuit solenoid directional control valve coil blackout, under the effect of spring, the left position of the oil circuit solenoid directional control valve that declutches is connected.The oil cylinder that declutches is drained the oil, the cylinder movement that declutches, and brake is stopped tightly.While declutching oil circuit solenoid directional control valve coil electricity, the right position of the oil circuit solenoid directional control valve that declutches is connected.The oil cylinder that declutches refuels, and promotes to declutch cylinder movement, and brake unclamps.
Tensioning oil circuit solenoid directional control valve is the two electric control electromagnetic change-over valves of flame-proof mine 3-position 4-way center-leakage type.
During the energising of tensioning oil circuit solenoid directional control valve left coil, Hydraulic Pump starts toward energy storage topping up, tensioning cylinder oil-feed, and continuous rope rope starts tensioning.The equal no power of the left and right coil of tensioning oil circuit solenoid directional control valve, when solenoid directional control valve is positioned at meta, is middle pressure type, and spool arrives midway location, and valve is in packing state.During the right coil electricity of tensioning oil circuit solenoid directional control valve, discharge fluid in energy storage, tensioning cylinder is drained the oil, and continuous rope rope starts slack rope.
Declutch in oil path in oil cylinder the large latus rectum proportional pressure control valve of flame-proof mine is housed.
When pressure is excessive, by proportion electro-magnet, driven, electromagnet produces thrust, proportional overflow valve events, oil circuit is connected and is drained the oil.Be used for limiting the oil cylinder working-pressure that declutches, the oil cylinder working-pressure that makes to declutch is unlikely to too high.Adopt large latus rectum proportional pressure control valve, the oil cylinder that guarantees to declutch is drained the oil fast, brake in time.
Flame-proof mine electric contact thermometer is housed in the fuel tank of electric-controlled hydraulic pumping plant.
Flame-proof mine electric contact thermometer is housed in the fuel tank of electric-controlled hydraulic pumping plant, and when oil temperature is too high, the electric contact of electric contact thermometer starts to connect, and makes each electromagnetic valve power-off.
The high point pressure table of flame-proof mine electric contact pressure is housed in tensioning hydro-cylinder oil-feed loop
When in tensioning hydro-cylinder oil-feed loop, oil pressure reaches high point, the high point pressure table of flame-proof mine electric contact pressure electric contact is connected, and energy storage stops supplementing fluid automatically, stops tight rope, and by hydraulic control one-way valve pressurize.
Flame-proof mine electric contact pressure low spot compression indicator is housed in tensioning hydro-cylinder oil-feed loop.
When in tensioning hydro-cylinder oil-feed loop, oil pressure reaches low spot, flame-proof mine electric contact pressure low spot compression indicator electric contact is connected, and hydraulic power unit, to the ftercompction of tensioning hydro-cylinder energy storage, starts tight rope, automatic pressure-maintaining after the high point of arrival.
Three phase asynchronous motor, working connection solenoid directional control valve, the oil circuit solenoid directional control valve that declutches, large latus rectum proportional pressure control valve,, tensioning oil circuit solenoid directional control valve, flame-proof mine electric contact thermometer, the high point pressure table of flame-proof mine electric contact pressure, flame-proof mine electric contact pressure low spot compression indicator be flame-proof mine.
Three phase asynchronous motor, working connection solenoid directional control valve, the oil circuit solenoid directional control valve that declutches, proportional pressure control valve, tensioning oil circuit solenoid directional control valve, flame-proof mine electric contact thermometer, the high point pressure table of flame-proof mine electric contact pressure, flame-proof mine electric contact pressure low spot compression indicator are flame-proof mine, and the colliery that is applicable to flame proof requirement is used.
The invention has the beneficial effects as follows: all-electric operation, meets mine explosion-suppression requirement; After the pressure size of tensioning hydro-cylinder sets, can automatically regulate the pressure of tensioning hydro-cylinder; There is oil temperature too high, self-actuating brake defencive function.This electric-controlled hydraulic pumping plant is easy and simple to handle, degree of automation is high, and defencive function is complete.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is hydraulic power unit hydraulic schematic diagram of the present invention.
In Fig. 1,1, screen filter, 2, flame-proof mine three phase asynchronous motor, 3, geared oil pump, 4, compression indicator, 5, working connection solenoid directional control valve, 6, the oil circuit solenoid directional control valve that declutches, 7, proportional pressure control valve, 8, energy storage, 9, hydraulic control one-way valve, 10, tensioning oil circuit solenoid directional control valve, 11, pilot overflow valve, 12, flame-proof mine electric contact thermometer, 13, the high point pressure table of flame-proof mine electric contact pressure, 14, flame-proof mine electric contact pressure low spot compression indicator.
Fig. 2 is guidance panel figure of the present invention.
Fig. 3 is electric diagram of the present invention.
In Fig. 1,1, SB1 is the button that declutches, 2, SB2 is brake button, 3, SB3 is tight rope button, 4, SB4 is slack rope button, 5, KA1 is temperature relay, 6, KA2 is the high point relay of pressure, 7, KA3 is the low point relay of pressure, 8, KA4 is tight rope relay, 9, KA5 is slack rope relay, 10, KA6 is the relay that declutches, 11, YA1 is temperature relay secondary contact, 12, YA2 is the high point relay secondary contact of pressure, 13, YA3 is pressure low spot relay auxiliary contact, 14, YA4 is tight rope relay auxiliary contact, 15, YA5 is slack rope relay auxiliary contact, 16, YA6 is the relay auxiliary contact that declutches, 17, YA7 is winch forward relay auxiliary contact, 18, YA8 is winch reversion relay auxiliary contact, 19, EL0 is power light, 20, EL1 is the indicator lamp that declutches, 21, EL2 is tight rope indicator lamp, 22, EL3 is slack rope indicator lamp, 23, YA1 is the right coil of working connection electromagnetic valve, 24, YA2 is working connection electromagnetic valve left coil, 25, YA3 is the right coil of tight rope oil circuit electromagnetic valve, 26, YA4 is tight rope oil circuit electromagnetic valve left coil, 27, YA5 is the oil circuit electromagnetic valve coil that declutches, 28, YA6 is proportion magnetic valve coil, 29, J1 is electric contact temp compression indicator open contact, 30, J2 is the high point pressure table of electric contact pressure open contact, 31, J3 is electric contact pressure low spot compression indicator open contact, 32, SB0 is for always stopping button.
The specific embodiment
In Fig. 1, flame-proof mine three phase asynchronous motor 2 for the model of flame-proof type be Y100L1-4-B35, its rotating speed is 1450rpm, power is 2.2kW, geared oil pump 3 models are CBW-F310, working connection solenoid directional control valve 5 models are FB34QDF10KE24-M, oil circuit solenoid directional control valve 6 models that declutch are FB23QDF110BE24, proportional pressure control valve 7 models are DBEME-20-3X, tensioning oil circuit solenoid directional control valve 10 models are FB34QDF10KE24-Y, flame-proof mine electric contact thermometer 12 models are YBW-1800D (0-100 ℃), the model of flame-proof mine electric contact pressure high point pressure table 13 and flame-proof mine electric contact pressure low spot compression indicator 14 is YBY-1800 (0-10MPa), the model of energy storage 8 is NXQL-40, the model of hydraulic control one-way valve 9 is Z2S10A1-20, the model of pilot overflow valve 11 is DBDH10P10.
The sequence of operation table of hydraulic power unit electromagnetic valve and motor is as follows:
In Fig. 3, power supply voltage is mining interchange 127V voltage, and constant voltage power suspply model is CSTI-I, is output as direct current 24V.The pick-up voltage of the high point relay 6 of temperature relay 5, pressure used, the low point relay 7 of pressure, tight rope relay 8, slack rope relay 9 and the relay 10 that declutches is direct current 24V.The operating voltage of the coil of working connection solenoid directional control valve 5 coils used, declutch oil circuit solenoid directional control valve 6 coils, tensioning oil circuit solenoid directional control valve 10 coils and proportional pressure control valve 7 is direct current 24V.
Mine explosion-suppression electrical motor 2 is connected with geared oil pump 3, the oil outlet of geared oil pump 3 is connected with the oil inlet of working connection solenoid directional control valve 5, the left oil circuit of the oil outlet of working connection solenoid directional control valve 5 is connected with oil circuit solenoid directional control valve 6 oil inlets that declutch, and the right oil circuit of the oil outlet of working connection solenoid directional control valve 5 is connected with tensioning oil circuit solenoid directional control valve 10 oil inlets; Oil circuit solenoid directional control valve 6 oil outlets that declutch are connected with the oil cylinder that declutches, and tensioning oil circuit solenoid directional control valve 10 oil outlets are connected with tensioning hydro-cylinder.
Working connection solenoid directional control valve 5 is the two electric control electromagnetic change-over valves of row's formula in flame-proof mine 3-position 4-way, declutch oil circuit solenoid directional control valve 6 for flame-proof mine two-position three way list electric control electromagnetic change-over valve, tensioning oil circuit solenoid directional control valve 10 is the two electric control electromagnetic change-over valves of flame-proof mine 3-position 4-way center-leakage type, declutch in oil path in oil cylinder the large latus rectum proportional pressure control valve 7 of flame-proof mine is housed, flame-proof mine electric contact thermometer 12 is housed in the fuel tank of electric-controlled hydraulic pumping plant, the high point pressure of flame-proof mine electric contact pressure table 13 is housed in tensioning hydro-cylinder oil-feed loop, flame-proof mine electric contact pressure low spot compression indicator 14 is housed in tensioning hydro-cylinder oil-feed loop.
Three phase asynchronous motor 2, working connection solenoid directional control valve 5, the oil circuit solenoid directional control valve 6 that declutches, large latus rectum proportional pressure control valve 7, tensioning oil circuit solenoid directional control valve 10, flame-proof mine electric contact thermometer 12, the high point pressure of flame-proof mine electric contact pressure table 13, flame-proof mine electric contact pressure low spot compression indicator 14 are flame-proof mine.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (9)
1. a mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant, it is characterized in that: mine explosion-suppression electrical motor (2) is connected with geared oil pump (3), the oil outlet of geared oil pump (3) is connected with the oil inlet of working connection solenoid directional control valve (5), the left oil circuit of the oil outlet of working connection solenoid directional control valve (5) is connected with oil circuit solenoid directional control valve (6) oil inlet that declutches, and the right oil circuit of the oil outlet of working connection solenoid directional control valve (5) is connected with tensioning oil circuit solenoid directional control valve (10) oil inlet; Oil circuit solenoid directional control valve (6) oil outlet that declutches is connected with the oil cylinder that declutches, and tensioning oil circuit solenoid directional control valve (10) oil outlet is connected with tensioning hydro-cylinder.
2. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: working connection solenoid directional control valve (5) is the two electric control electromagnetic change-over valves of row's formula in flame-proof mine 3-position 4-way.
3. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: the oil circuit solenoid directional control valve (6) that declutches is flame-proof mine two-position three way list electric control electromagnetic change-over valve.
4. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: tensioning oil circuit solenoid directional control valve (10) is the two electric control electromagnetic change-over valves of flame-proof mine 3-position 4-way center-leakage type.
5. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: the large latus rectum proportional pressure control valve of flame-proof mine (7) is housed in the oil path in oil cylinder that declutches.
6. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: flame-proof mine electric contact thermometer (12) is housed in the fuel tank of electric-controlled hydraulic pumping plant.
7. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: the high point pressure table of flame-proof mine electric contact pressure (13) is housed in tensioning hydro-cylinder oil-feed loop.
8. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: flame-proof mine electric contact pressure low spot compression indicator (14) is housed in tensioning hydro-cylinder oil-feed loop.
9. mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant according to claim 1, is characterized in that: three phase asynchronous motor (2), working connection solenoid directional control valve (5), the oil circuit solenoid directional control valve (6) that declutches, large latus rectum proportional pressure control valve (7), tensioning oil circuit solenoid directional control valve (10), flame-proof mine electric contact thermometer (12), the high point pressure table of flame-proof mine electric contact pressure (13), flame-proof mine electric contact pressure low spot compression indicator (14) are flame-proof mine.
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| CN201410020113.8A CN103723642B (en) | 2014-01-16 | 2014-01-16 | Mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant |
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| CN201410020113.8A CN103723642B (en) | 2014-01-16 | 2014-01-16 | Mine flame-proof electrodeless rope winch electric-controlled hydraulic pumping plant |
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| CN103723642B CN103723642B (en) | 2016-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570479A (en) * | 2018-12-24 | 2019-04-05 | 常州卡斯特铝精密铸造科技有限公司 | Oil sump casting machine |
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| CN203667875U (en) * | 2014-01-16 | 2014-06-25 | 安徽理工大学 | Electronic control hydraulic pump station of mining explosion-proof type promise rope winch |
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2014
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| CN2825534Y (en) * | 2005-09-23 | 2006-10-11 | 徐州五洋科技有限公司 | Full-automatic hydraulic tension device of belt conveyer |
| CN200954989Y (en) * | 2006-10-10 | 2007-10-03 | 中国海洋石油总公司 | Logging hoist-engine tension overload protection system |
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| CN109570479A (en) * | 2018-12-24 | 2019-04-05 | 常州卡斯特铝精密铸造科技有限公司 | Oil sump casting machine |
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Effective date of registration: 20191205 Address after: 239000 Jinshan Road Electronic Commerce Industrial Park, Jingkai District, Dingyuan County, Chuzhou City, Anhui Province Patentee after: Anhui Creative Technology Transfer Service Co., Ltd. Address before: 232001 Anhui Province, Huainan city Shungeng Road No. 168 Patentee before: Anhui University Of Science And Technology |
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