CN204610174U - A kind of regulable speed type emulsion power pack - Google Patents
A kind of regulable speed type emulsion power pack Download PDFInfo
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- CN204610174U CN204610174U CN201520247867.7U CN201520247867U CN204610174U CN 204610174 U CN204610174 U CN 204610174U CN 201520247867 U CN201520247867 U CN 201520247867U CN 204610174 U CN204610174 U CN 204610174U
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Abstract
The utility model discloses a kind of regulable speed type emulsion power pack, comprise motor, emulsion pump, the output shaft of motor and the input shaft of liquid_viscosity regulator device are in transmission connection, the output shaft of liquid_viscosity regulator device and the input shaft of emulsion pump are in transmission connection, emulsion pump is provided with pressure transducer, speed probe, pressure transducer, speed probe and the speed regulating control case for controlling liquid_viscosity regulator device output shaft rotating speed are electrically connected, and speed regulating control case and motor are electrically connected.The automatic speed regulation that the utility model achieves emulsion power pack controls, speed regulating control case realizes the speed automation to liquid_viscosity regulator device output shaft after adopting and carrying out computing to two feedback electrical signal of pressure and rotating speed, the rotating speed achieving emulsion pump controls, and then the Isobarically Control achieved fully mechanized mining face dynamic medium, improve the reliability of pumping plant, system hydraulic pressure stability, reduce energy consumption, decrease pumping plant mechanical wear, extend working life.
Description
Technical field
The utility model relates to a kind of pumping plant, particularly relates to a kind of regulable speed type emulsion power pack.
Background technique
Emulsion power pack is used to the power equipment of the hydraulic prop discharge pressure liquid to the hydraulic support of working face or conventional face.Emulsion power pack needs continuous operation within each manufacture cycle as coal mine fully-mechanized mining key equipment; When starting to produce, in order to obtain required system liquid pressure at short notice, several pumping plants are all in the state of running up; But, because fully mechanized mining face equipment is intermittent for the demand of emulsified liquid, so the pumping plant most of the time is in idle running state, the unnecessary high-pressure emulsion of pumping plant gets back to liquid case by feather valve release, cause a large amount of energy wastes, and the motor of emulsion power pack and the pump housing are in full speed running state always, can mechanical wear be accelerated, feather valve is frequently opened, it is fragile to turn off, and adds the input of the maintenance frequency and cost; In addition, motor adopts direct Starting mode, intrasystem highly pressurised liquid forms very large starting load, inrush current is 4 ~ 7 times of motor rated current, larger impact is caused to electrical network, requirement for net capacity is also higher, and starts the vibration of generation and rub very big to the infringement of the pump housing and valve part.Thus, for these situations above-mentioned, pumping plant is proposed to the requirement of speed governing.
At present, the mode of speed regulation that existing emulsion power pack is main has two kinds: one is variable speed fluid coupling, and another kind is frequency control of motor speed.The former can realize stepless time adjustment, control simple, but its device volume is large, cost is high, maintenance cost is high, and low speed speed adjusting performance is poor, move integrally inconvenience, and transmission efficiency is lower; The latter's regulable speed type can be fine, but the cost of RHVC own is higher, also needs with speed-adjustable motor, and use under high voltage flame proof environment simultaneously and there is potential safety hazard, maintenance cost is high, and rate of fault is high, and there is Harmfulness Caused by Harmonics to electrical network.
Model utility content
The purpose of this utility model is for the problems referred to above, a kind of regulable speed type emulsion power pack is provided, has that speed adjusting performance is good, comprehensive intelligent controls of being convenient to be embodied as complete equipment, energy-conserving and environment-protective, maintenance are simple, reduce comprehensive extraction system total capacitance, pollution-free to electrical network, meet user to features such as the requirements that product renewing is upgraded.
The purpose of this utility model is achieved through the following technical solutions:
A kind of regulable speed type emulsion power pack, comprise motor, emulsion pump, the output shaft of described motor and the input shaft of liquid_viscosity regulator device are in transmission connection, the described output shaft of liquid_viscosity regulator device and the input shaft of emulsion pump are in transmission connection, described emulsion pump is provided with pressure transducer, speed probe, described pressure transducer, speed probe and the speed regulating control case for controlling liquid_viscosity regulator device output shaft rotating speed are electrically connected, and described speed regulating control case and motor are electrically connected.
As preferred version of the present utility model, the input shaft of described liquid_viscosity regulator device is by clutch shaft bearing seat, clutch shaft bearing supports, and it is fixedly connected with connecting cylinder, in described connecting cylinder, bearing pin is installed, described bearing pin is provided with multiple main friction plate, the output shaft of liquid_viscosity regulator device is by the second bearing support, second bearings, and key is connected with multiple secondary friction plate on the output shaft being positioned at the mucus arrangements for speed regulation of connecting cylinder, described multiple main friction plate and described multiple secondary friction plate are alternately arranged and arrange, and be provided with disc spring between adjacent main friction plate, described second bearing support is provided with speed governing oil cylinder, and it has lubricating oil inlet, pressure oil import, described connecting cylinder has lubricating oil outlet, the output shaft of mucus arrangements for speed regulation has the oil inlet hole be connected with lubricating oil inlet, and the output shaft being positioned at the mucus arrangements for speed regulation of connecting cylinder has the oil outlet be connected with oil inlet hole, the output terminal of described speed governing oil cylinder is connected with drive bearing, described drive bearing with for compressing main friction plate, the push pedal of secondary friction plate is connected.
As preferred version of the present utility model, described lubricating oil inlet, lubricating oil outlet, pressure oil import are all connected with fuel tank, lubricating oil temperature sensor, heat exchanger is disposed with between described lubricating oil outlet and fuel tank, be disposed with lubricating pump, lubrication channel relief valve, lubricant pressure sensor between described fuel tank and lubricating oil inlet, between described fuel tank and pressure oil import, be disposed with regulation oil pump, relief valve, electromagnetic proportion relief valve, governor oil pressure sensor.
As preferred version of the present utility model, described lubricating oil temperature sensor, lubricant pressure sensor, governor oil pressure sensor, electromagnetic proportion relief valve are all electrically connected with speed regulating control case.
As preferred version of the present utility model, described lubricating pump, regulation oil pump are driven by same Oil pump electrical machinery, and described Oil pump electrical machinery and speed regulating control case are electrically connected.
As preferred version of the present utility model, the oil outlet place of described fuel tank is provided with filter screen.
As preferred version of the present utility model, described motor is threephase asynchronous.
As preferred version of the present utility model, the output shaft of described motor is in transmission connection by the input shaft of elastic coupling flexible coupling and liquid_viscosity regulator device, and the output shaft of described liquid_viscosity regulator device is in transmission connection by the input shaft of elastic coupling flexible coupling and emulsion pump.
The beneficial effects of the utility model are, the automatic speed regulation that described regulable speed type emulsion power pack achieves emulsion power pack controls, speed regulating control case realizes the speed automation to liquid_viscosity regulator device output shaft after adopting and carrying out computing to two feedback electrical signal of pressure and rotating speed, the rotating speed achieving emulsion pump controls, and then the Isobarically Control achieved fully mechanized mining face dynamic medium, improve the reliability of pumping plant, the stability of system hydraulic pressure, reduce energy consumption, decrease pumping plant mechanical wear, extend working life, control device is provided for fully mechanized mining face realizes intelligent automation, meet the demand that user regenerates to device upgrade.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of regulable speed type emulsion power pack of the utility model;
Fig. 2 is the structural representation of the utility model liquid_viscosity regulator device;
Fig. 3 is the hydraulic schematic diagram of the utility model liquid_viscosity regulator device.
In figure:
1, motor; 2, liquid_viscosity regulator device; 3, emulsion pump; 4, pressure transducer; 5, speed probe; 6, speed regulating control case; 7, clutch shaft bearing seat; 8, clutch shaft bearing; 9, connecting cylinder; 10, bearing pin; 11, main friction plate; 12, the second bearing support; 13, the second bearing; 14, secondary friction plate; 15, disc spring; 16, speed governing oil cylinder; 17, lubricating oil inlet; 18, pressure oil import; 19, drive bearing; 20, push pedal; 21, fuel tank; 22, filter screen; 23, lubricating oil temperature sensor; 24, heat exchanger; 25, lubricating pump; 26, lubrication channel relief valve; 27, lubricant pressure sensor; 28, regulation oil pump; 29, relief valve; 30, electromagnetic proportion relief valve; 31, governor oil pressure sensor; 32, Oil pump electrical machinery.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.Be understandable that, embodiment described herein only for explaining the utility model, but not to restriction of the present utility model.
Please refer to shown in Fig. 1, Fig. 1 is the structural representation of a kind of regulable speed type emulsion power pack of the utility model, in the present embodiment, a kind of regulable speed type emulsion power pack, comprise motor 1, liquid_viscosity regulator device 2 and emulsion pump 3, described motor 1 is threephase asynchronous, the output shaft of motor 1 is in transmission connection by the input shaft of elastic coupling flexible coupling and liquid_viscosity regulator device 2, the output shaft of described liquid_viscosity regulator device 2 is in transmission connection by the input shaft of elastic coupling flexible coupling and emulsion pump 3, described emulsion pump 3 is provided with pressure transducer 4, speed probe 5, described pressure transducer 4, speed probe 5 be electrically connected for the speed regulating control case 6 controlling liquid_viscosity regulator device 2 output shaft rotating speed, described speed regulating control case 6 is electrically connected with motor 1.
Please refer to shown in Fig. 2 and Fig. 3, Fig. 2 is the structural representation that the utility model glues arrangements for speed regulation, Fig. 3 is the hydraulic schematic diagram of the utility model liquid_viscosity regulator device, the input shaft of described liquid_viscosity regulator device 2 is by clutch shaft bearing seat 7, clutch shaft bearing 8 supports, and it is fixedly connected with connecting cylinder 9, in described connecting cylinder 9, bearing pin 10 is installed, described bearing pin 10 is provided with multiple main friction plate 11, the output shaft of liquid_viscosity regulator device 2 is by the second bearing support 12, second bearing 13 supports, and key is connected with multiple secondary friction plate 14 on the output shaft being positioned at the mucus arrangements for speed regulation 2 of connecting cylinder 9, described multiple main friction plate 11 is alternately arranged with described multiple secondary friction plate 14 and arranges, and be provided with disc spring 15 between adjacent main friction plate 11, described second bearing support 12 is provided with speed governing oil cylinder 16, and it has lubricating oil inlet 17, pressure oil import 18, described connecting cylinder 9 has lubricating oil outlet, described lubricating oil inlet 17, lubricating oil outlet, pressure oil import 18 is all connected with fuel tank 21, the oil outlet place of described fuel tank 21 is provided with filter screen 22, lubricating oil temperature sensor 23 is disposed with between described lubricating oil outlet and fuel tank 21, heat exchanger 24, lubricating pump 25 is disposed with between described fuel tank 21 and lubricating oil inlet 17, play the lubrication channel relief valve 26 of pressure protect effect, lubricant pressure sensor 27, regulation oil pump 28 is disposed with between described fuel tank 21 and pressure oil import 18, play the relief valve 29 of pressure protect effect, electromagnetic proportion relief valve 30, governor oil pressure sensor 31, described lubricating oil temperature sensor 23, lubricant pressure sensor 27, governor oil pressure sensor 31, electromagnetic proportion relief valve 30 is all electrically connected with speed regulating control case 6, described lubricating pump 25, regulation oil pump 28 is driven by same Oil pump electrical machinery 32, described Oil pump electrical machinery 32 is electrically connected with speed regulating control case 6, the output shaft of described mucus arrangements for speed regulation 2 has the oil inlet hole be connected with lubricating oil inlet 17, and the output shaft being positioned at the mucus arrangements for speed regulation 2 of connecting cylinder 9 has the oil outlet be connected with oil inlet hole, the output terminal of described speed governing oil cylinder 16 is connected with drive bearing 19, described drive bearing 19 with for compressing main friction plate 11, the push pedal 20 of secondary friction plate 14 is connected.
Utility model works principle is: when preparing to start, and main friction plate 11 and the secondary friction plate 14 of the liquid_viscosity regulator device 2 that motor 1 is connected with emulsion pump 3 are in separated state, secondary friction plate 14 not transmitting torque, and motor 1 realizes No Load Start, after No Load Start completes, speed regulating control case 6 sends Oil pump electrical machinery 32 operation instruction, Oil pump electrical machinery 32 drives regulation oil pump 28 and lubricating pump 25 to work, the lubricant oil that lubricating pump 25 extracts from fuel tank 21 flows into lubricating oil inlet 17 after filter screen 22 filters, entered by the oil inlet hole on the output shaft of mucus arrangements for speed regulation 2 again, the centrifugal force during output shaft rotation of liquid_viscosity regulator device 2 is relied on to throw away to main friction plate 11 by lubricant oil by the oil outlet on the output shaft of liquid_viscosity regulator device 2, on secondary friction plate 14, this part lubricant oil plays the main friction plate 11 of cooling, the effect of secondary friction plate 14, form the shearing oil film required for transmitting torque simultaneously, last lubricant oil is back in fuel tank 21 by the lubricating oil outlet on connecting cylinder 9 to heat exchanger 24 after cooling, meanwhile, the working oil that regulation oil pump 28 extracts from fuel tank 21 is feed pressure oil inlet 18 after filter screen 22 filters, the oil pressure relief of the electromagnetic proportion relief valve 30 in this fluid path is controlled by speed regulating control case 6, the opening degree of electromagnetic proportion relief valve 30 is larger, i.e. overflow setting value is lower, then the pressure of speed governing oil cylinder 16 is less, speed regulating control case 6 is the rotating speeds of the emulsion pump 3 that the speed probe 5 on emulsion pump 3 outlet pressures and emulsion pump 3 measured according to the pressure transducer 4 on emulsion pump 3 is measured, in conjunction with the lubricating loop pressure that lubricant pressure sensor 27 is measured, the lubricating oil temperature that lubricating oil temperature sensor 23 is measured, the numerical value that governor oil pressure sensor 31 is measured exports electrical quantity to control the aperture of electromagnetic proportion relief valve 30 after comprehensive computing, achieve the Stress control to speed governing oil cylinder 16, and then the main friction plate 11 achieved liquid_viscosity regulator device 2, Stress control between secondary friction plate 14, when the thrust of speed governing oil cylinder 16 is greater than the tension force of disc spring 15 between main friction plate 11, speed governing oil cylinder 16 promotes drive bearing 19 and moves to left, and then promotion pressing plate 20 completes the Stress control to main friction plate 11, secondary friction plate 14, wherein, pressure between main friction plate 11, secondary friction plate 14 is larger, and friction spacing is less, and internal fluid friction power is thereupon larger, transmitting torque raises, and slippage reduces, output speed increases, when the pressure of emulsion pump 3 outlet end lower than rated working pressure time, speed regulating control case 6 controls electromagnetic proportion relief valve 30 and improves overflow value, namely aperture is reduced, now, the pressure increase of speed governing oil cylinder 16, the spacing promoted between main friction plate 11, secondary friction plate 14 reduces, and transmitting torque increases, the rotating speed of emulsion pump 3 also improves thereupon, and the pressure of emulsion pump 3 outlet end also just increases, when the pressure of emulsion pump 3 outlet end higher than rated working pressure time, speed regulating control case 6 controls electromagnetic proportion relief valve 30 and reduces overflow value, and now, the pressure of speed governing oil cylinder 16 reduces, the rotating speed of emulsion pump 3 declines, the pressure drop of emulsion pump 3 outlet end.The present invention can regulate by Real-time Feedback, the pressure of emulsion pump 3 outlet end can be remained on steady state value.Especially, when starting, the No Load Start of motor 1 can be realized by controlling electromagnetic proportion relief valve 30.
Above embodiment has just set forth basic principle of the present utility model and characteristic; the utility model does not limit by above-described embodiment; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various change and change, and these changes and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a regulable speed type emulsion power pack, it is characterized in that: comprise motor, emulsion pump, the output shaft of described motor and the input shaft of liquid_viscosity regulator device are in transmission connection, the described output shaft of liquid_viscosity regulator device and the input shaft of emulsion pump are in transmission connection, described emulsion pump is provided with pressure transducer, speed probe, described pressure transducer, speed probe and the speed regulating control case for controlling liquid_viscosity regulator device output shaft rotating speed are electrically connected, and described speed regulating control case and motor are electrically connected.
2. a kind of regulable speed type emulsion power pack according to claim 1, it is characterized in that: the input shaft of described liquid_viscosity regulator device is by clutch shaft bearing seat, clutch shaft bearing supports, and it is fixedly connected with connecting cylinder, in described connecting cylinder, bearing pin is installed, described bearing pin is provided with multiple main friction plate, the output shaft of liquid_viscosity regulator device is by the second bearing support, second bearings, and key is connected with multiple secondary friction plate on the output shaft being positioned at the mucus arrangements for speed regulation of connecting cylinder, described multiple main friction plate and described multiple secondary friction plate are alternately arranged and arrange, and be provided with disc spring between adjacent main friction plate, described second bearing support is provided with speed governing oil cylinder, and it has lubricating oil inlet, pressure oil import, described connecting cylinder has lubricating oil outlet, the output shaft of mucus arrangements for speed regulation has the oil inlet hole be connected with lubricating oil inlet, and the output shaft being positioned at the mucus arrangements for speed regulation of connecting cylinder has the oil outlet be connected with oil inlet hole, the output terminal of described speed governing oil cylinder is connected with drive bearing, described drive bearing with for compressing main friction plate, the push pedal of secondary friction plate is connected.
3. a kind of regulable speed type emulsion power pack according to claim 2, it is characterized in that: described lubricating oil inlet, lubricating oil outlet, pressure oil import are all connected with fuel tank, lubricating oil temperature sensor, heat exchanger is disposed with between described lubricating oil outlet and fuel tank, be disposed with lubricating pump, lubrication channel relief valve, lubricant pressure sensor between described fuel tank and lubricating oil inlet, between described fuel tank and pressure oil import, be disposed with regulation oil pump, relief valve, electromagnetic proportion relief valve, governor oil pressure sensor.
4. a kind of regulable speed type emulsion power pack according to claim 3, is characterized in that: described lubricating oil temperature sensor, lubricant pressure sensor, governor oil pressure sensor, electromagnetic proportion relief valve are all electrically connected with speed regulating control case.
5. a kind of regulable speed type emulsion power pack according to claim 3, is characterized in that: described lubricating pump, regulation oil pump are driven by same Oil pump electrical machinery, and described Oil pump electrical machinery and speed regulating control case are electrically connected.
6. a kind of regulable speed type emulsion power pack according to claim 3, is characterized in that: the oil outlet place of described fuel tank is provided with filter screen.
7. a kind of regulable speed type emulsion power pack according to claim 1, is characterized in that: described motor is threephase asynchronous.
8. a kind of regulable speed type emulsion power pack according to claim 1, it is characterized in that: the output shaft of described motor is in transmission connection by the input shaft of elastic coupling flexible coupling and liquid_viscosity regulator device, and the output shaft of described liquid_viscosity regulator device is in transmission connection by the input shaft of elastic coupling flexible coupling and emulsion pump.
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CN201520247867.7U CN204610174U (en) | 2015-04-22 | 2015-04-22 | A kind of regulable speed type emulsion power pack |
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CN201520247867.7U CN204610174U (en) | 2015-04-22 | 2015-04-22 | A kind of regulable speed type emulsion power pack |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105587650A (en) * | 2015-12-22 | 2016-05-18 | 佛山市威灵洗涤电机制造有限公司 | Output voltage control method and device for booster pump |
CN107781331A (en) * | 2016-08-30 | 2018-03-09 | 力博重工科技股份有限公司 | Intellectualized visual hydro viscous variable speed drive experimental rig |
CN108894966A (en) * | 2018-08-09 | 2018-11-27 | 武汉长江科创科技发展有限公司 | A kind of chemical grouting pump control system of invariable pressure and method |
CN112377394A (en) * | 2020-11-11 | 2021-02-19 | 黑龙江工业学院 | Frequency conversion energy-saving device for mining emulsion pump station |
-
2015
- 2015-04-22 CN CN201520247867.7U patent/CN204610174U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105587650A (en) * | 2015-12-22 | 2016-05-18 | 佛山市威灵洗涤电机制造有限公司 | Output voltage control method and device for booster pump |
CN107781331A (en) * | 2016-08-30 | 2018-03-09 | 力博重工科技股份有限公司 | Intellectualized visual hydro viscous variable speed drive experimental rig |
CN108894966A (en) * | 2018-08-09 | 2018-11-27 | 武汉长江科创科技发展有限公司 | A kind of chemical grouting pump control system of invariable pressure and method |
CN108894966B (en) * | 2018-08-09 | 2024-01-02 | 武汉长江科创科技发展有限公司 | Constant pressure control system and method for chemical grouting pump |
CN112377394A (en) * | 2020-11-11 | 2021-02-19 | 黑龙江工业学院 | Frequency conversion energy-saving device for mining emulsion pump station |
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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: 20150902 |