CN103899524A - Horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station - Google Patents
Horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station Download PDFInfo
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- CN103899524A CN103899524A CN201310699341.8A CN201310699341A CN103899524A CN 103899524 A CN103899524 A CN 103899524A CN 201310699341 A CN201310699341 A CN 201310699341A CN 103899524 A CN103899524 A CN 103899524A
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Abstract
The invention provides a horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station. The horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station is characterized in that a crankshaft is provided with multiple bellcranks, each bellcrank is sleeved with a crank, the two sides of the outer wall of each crank are connected with connecting rods and sliding blocks respectively, and plungers are connected with the sliding blocks. The horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station further comprises a programmable logic controller, a pressure sensor connected with the programmable logic controller and located on a main liquid supply pipe, an oil temperature and oil level sensor located in a crank case, a liquid level and liquid temperature sensor located in an emulsion box, and a mining control device connected with an electric motor, wherein the control device is connected with the programmable logic controller. According to the horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station, the permanent magnet speed regulation technology is introduced to control the electric motor, two crank type sextuple-connection reciprocating dual-output emulsion pumps are connected to the two sides of each bellcrank, the rotating speed of the emulsion pump station is lowered on the premise that the pressure and flow are not changed, and the service life of equipment is prolonged; the horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station has the advantages of being compact in structure, low in weight, low in rotating speed and the like.
Description
Technical field
The present invention relates to a kind of emulsion power pack, especially a kind of horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs.
Background technique
Emulsion pump, as a kind of universal machine, is all widely used in national economy every field.It is the power producer of down-hole performing comprehensive coal mining face timbering equipment, its working state quality is closely related with safety in production, realize coal mine downhole safety operation, improve coal work efficiency, prevent substantial equipment security incident, ensure that the operation of emulsion pump downhole safety is a very necessary link.Emulsion pump is important equipment and the instrument of supporting operation and safety in production under coal mine, its kind of drive is simple and reliable, has a large capacity and a wide range, and has efficient low-consume, safe and reliable, mobile light, simple to operate flexibly, free of contamination feature, is subject to numerous coalmans author's welcome deeply.These products have been filled up domestic blank, have multinomial national patent, have complete independent intellectual property right in its core technology, locate domestically leading level.Emulsion pump is also widely used in other industry, and the demand in market is large especially.
Traditional emulsion pump is three crank throw reciprocating plunger pumps, select three-phase and quadrupole permissible motor to drive, through primary gear speed reducing, drive three crank throw crankshaft rotating, then drive plunger through connecting rod slider, make plunger reciprocating, realize imbibition and discharge opeing by changing inside cavity space, make working solution suck and discharge through suction, liquid discharging valve in hyperbaric chamber, thereby make electric energy change into hydraulic energy, output highly pressurised liquid is for working surface work.
Conventional operation mode is: emulsion power pack starts rear motor rotation can confess emulsified liquid, no matter whether support equipment needs fluid injection, emulsion power pack all turns round with rated speed.The emulsified liquid of confessing when not fluid injection turns back to emulsion box by feather valve.What this process was done is that idle work has been wasted electric energy, has increased the mechanical wear of pump, has shortened the working life of pump.And the temperature of emulsified liquid is raise.Reduce the safety coefficient of support equipment.
Emulsion power pack class Three on the one need to have special messenger to keep an eye in turn, is responsible for when the water level of emulsified liquid water tank is low adding water, and adds water for cooling when temperature is high.Concentration of emulsion used is chemically examined, when concentration is low, need to be added oil emulsion, check emulsified liquid liquid level, check oil level, oil temperature, the oil pressure of emulsion pump lubricant oil, prevent the too low or undesired emulsion pump that damages of oil pressure of oil level because of lubricant oil.
The control mode that these are traditional, can not meet the requirement of Modern coal mines mechanical mining, particularly market economy crisis, and coal industry is depressed, and coal price is low, and wage for workmen is high.The many potential safety hazards of device for underground man car strengthen.So must colliery downhole equipment intellectuality, automation, energy-conservation, minimizing personnel could reduce cost of winning, improves safety coefficient.Be enterprise step into health, in order, the track of sustainable development, this cover system has played material impact for building energy-saving and environmental protection type mining equiment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs, these innovation and creation are controlled motor in introducing permanent magnetic speed-adjusting technology, and each crank throw both sides connect two reciprocating dual output emulsion pumps of crank form six, ensureing in the immovable situation of pressure and flow, reduce the rotating speed of emulsion power pack, extend the working life of equipment, there is the advantages such as compact structure, lightweight, rotating speed is low.
For achieving the above object, the technical program is as follows:
A kind of horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs, comprise emulsion pump, be connected with emulsion box with emulsion pump, emulsion pump comprises motor and crankcase, in crankcase, be provided with the bent axle being connected with motor, described bent axle is many crank throws form, is arranged with a crank on each crank throw, the outer wall both sides of crank are respectively connected with connecting rod and slide block, are connected with plunger with slide block; Also include programmable controller, be connected with and be positioned at main feed pipe upward pressure sensor, the oil temperature that is positioned at crankcase, fuel level sensor, the liquid level that is positioned at emulsion box, liquid temperature sensor with programmable controller; Be connected with mining control apparatus with motor, control apparatus connects programmable controller.
Further, described crank throw is many three crank throw forms, and along the projecting direction of bent axle, three described crank throws are 120 ° evenly respectively taking crankshaft center as the center of circle.
Further, the movement locus of the connecting rod slider at described crank two ends is on same straight line.
Further, two described connecting rod correspondences are provided with connecting rod screw, and two connecting rods connect by connecting rod nut.
Further, described control apparatus is permanent magnetic speed-adjusting controller.
Further, be connected with alarm with programmable controller.
Further, described emulsion pump is two, is set up in parallel.
Working principle and the working procedure of the invention are as follows:
This plunger pump adopts horizontal opposed type pumping plant, between emulsion pump and flameproof motor, connected by permanent magnetic coupling, permanent magnetic coupling: be to realize by motor the device to the torque transfer of load by the air gap between conductor and permanent magnet, can realize the kind of drive that between motor and load, machinery-free is connected, its working principle is in the time of relative movement between the two, conductor assembly cutting magnetic line, in conductor, produce foucault current, foucault current and then generation dislike magnetic field, with the magnetic field interaction effect of permanent magnet generation, thereby realize moment of torsion transmission between the two.
At the other pressure transducer in parallel of main feed pipe, according to the pressure signal transmission detecting, to permanent magnetic speed-adjusting controller, by DCS system, permanent magnetic speed-adjusting control box---gap of permanent magnetic coupling---is controlled rotating speed.
When not fluid injection for a long time, according to the decision-making of permanent magnetic speed-adjusting controller, can stop the operation of motor, realize energy-conservation and extend equipment working life;
The signal detecting according to pressure transducer, by the decision-making of permanent magnetic speed-adjusting control box, realizes the various operating conditionss of emulsion pump, ensures reliable feed flow;
By the adjustment to systematic parameter, can realize the quick response of system, shorten support time, improve supporting Security.
Permanent magnetic speed-adjusting controller, as a part for Integrated Automation System of Coal-mine, carries out effective monitoring of working condition by emulsion power pack, meets the long-time normal requirement of producing in colliery.
Temperature protection: utilize sensor to carry out the inner oil temperature of Real-Time Monitoring crankcase; when oil temperature is during higher than control system setting value; sensor can be by signal feed back to control system; system is sent warning; automatically cutting-off controlling circuit; this pump shuts down, and automatically opens another pump, to ensure the normal feed flow of pumping plant.
Oil level control protection: this sensor utilization is controlled oil level at the suffered oil pressure of crankcase bottom; in the time that oil level is too low, suffered oil pressure is less than preset lower limit, and bent axle, connecting rod slider, bearing shell all can not get lubricating; very easily tile kilning; seriously cause bent axle to be scrapped, this sensor can be by the signal feed back of experiencing to automatic controller, and this device judges; automatically stop this pump; in order to avoid pump is caused to damage, open another platform pump and be switched to, to ensure that working surface normally works.
Lubrication pressure protection: carry out oil suction with gear pump and carry out pressure lubrication to taking away; lubricated in order to ensure that gear pump can continue oil suction; on gear pump liquid-separating block, increase oil pressure sensor; experience the oil pressure of gear pump by oil pressure sensor; in the time of not oil suction of gear pump, oil pressure is lower than preset lower limit, and system can be sent warning; control gear adjusts pump by the feedback signal receiving, and stops this pump and removes to open another platform pump.
The invention connects two cranks at each crank throw place of bent axle, each crank is connected with separately again one and connects and slide block, like this, the every rotation of crank throw once can complete suction, discharge opeing (is that the connecting rod slider of crank throw in the time rotating forward carrying out discharge opeing each twice, and now opposed the other end connecting rod slider is carrying out imbibition), one times of efficiengy-increasing, make working solution suck and discharge through suction, liquid discharging valve in hyperbaric chamber, thereby make electric energy change into hydraulic energy, output highly pressurised liquid is done for hydraulic pressure timberer.
This crankshaft designs becomes the form of three crank throws, form six and connect structures, and three crank throws is 120 ° of distributions taking the center of bent axle as the center of circle, be evenly distributed, and effectively reduce vibration.
The linkage rod slide block mechanism of the invention becomes opposed type to arrange, has changed the situation of the monolateral layout of connecting rod slider in the past, the in the situation that of equal flow and pressure, and compact structure, noise is low, and boundary dimension and weight reduce greatly.
After above structure, this pumping plant has been realized the possibility that uses big speed ratio reducing gear, and pumping plant rotating speed had reduced by 1/3rd more in the past, had alleviated wearing and tearing and impact to component in pumping plant operation process, had extended working life.
This control system adopts permanent magnetic speed-adjusting controller to control emulsion power pack, has reflected in real time pumping station operation state.The inrush current of motor when permanent magnetic speed-adjusting controller has not only reduced device start, thermal shock load and the impact on electrical network of motor are reduced, thereby saving power the operating life that extends motor, and the impact of transmission system to emulsion pump key components and parts while very effectively having reduced to start, ensured the safe and reliable operation of equipment, effectively reduced device maintenance and fault time cost.
To sum up, the application of these six reciprocating dual output emulsion power pack invention technology, has possessed low, the intelligent features such as protection of controlling of rotating speed, has overcome the shortcoming that legacy equipment exists, and has greatly extended service life of equipment.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiments that record in the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing;
Fig. 1 is innovation and creation structural representations;
Fig. 2 is crankcase structure longitudinal section;
Fig. 3 is crankcase structure structure plan view.
Embodiment
The correlation technique content of not addressing below all can adopt or use for reference prior art.
In order to make those skilled in the art person understand better the technological scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all should belong to the scope of the application's protection.
As shown in Figure 1, a kind of horizontal six reciprocating dual output emulsion power packs, mainly by forming below 1, horizontal six reciprocating dual output emulsion pumps, 2, emulsion box, 3, permanent magnetic speed-adjusting controller.
Also include programmable controller, be connected with and be positioned at main feed pipe upward pressure sensor, the oil temperature that is positioned at crankcase, fuel level sensor, the liquid level that is positioned at emulsion box, liquid temperature sensor with programmable controller; Being connected with mining control apparatus with motor---permanent magnetic speed-adjusting controller 3, permanent magnetic speed-adjusting controller 3 connects programmable controller.
Programmable controller is realized:
The signal detecting according to pressure transducer, by the decision-making of permanent magnetic speed-adjusting control box, realizes the various operating conditionss of emulsion pump, ensures reliable feed flow;
Temperature protection: utilize sensor to carry out the inner oil temperature of Real-Time Monitoring crankcase; when oil temperature is during higher than control system setting value; sensor can be by signal feed back to control system; system is sent warning; automatically cutting-off controlling circuit; this pump shuts down, and automatically opens another pump, to ensure the normal feed flow of pumping plant.
Oil level control protection: this sensor utilization is controlled oil level at the suffered oil pressure of crankcase bottom; in the time that oil level is too low, suffered oil pressure is less than preset lower limit, and bent axle, connecting rod slider, bearing shell all can not get lubricating; very easily tile kilning; seriously cause bent axle to be scrapped, this sensor can be by the signal feed back of experiencing to automatic controller, and this device judges; automatically stop this pump; in order to avoid pump is caused to damage, open another platform pump and be switched to, to ensure that working surface normally works.
Lubrication pressure protection: carry out oil suction with pump and carry out pressure lubrication to taking away; lubricated in order to ensure that pump can continue oil suction; on pump liquid-separating block, increase oil pressure sensor; experience the oil pressure of pump by oil pressure sensor; in the time of not oil suction of pump, oil pressure is lower than preset lower limit, and system can be sent warning; control gear adjusts pump by the feedback signal receiving, and stops this pump and removes to open another platform pump.
When not fluid injection for a long time, according to the decision-making of permanent magnetic speed-adjusting controller, can stop the operation of motor, realize energy-conservation and extend equipment working life;
Wherein horizontal six reciprocating dual output emulsion pumps 1 are provided with two, and every comprises: motor, pump, crankcase, pump head component, safety valve, feather valve.
In the present embodiment:
Motor adopts under coal mine and adopts permissible motor.
Pump adopts plunger pump, and this plunger pump is mainly made up of parts such as crankcase, high pressure cylinder sleeve, pump head components.
Crankcase is the pedestal that bent axle, reduction gear, connecting rod, slide block, high pressure cylinder sleeve, pump head are installed, and is again main stressed member, and the present embodiment crankcase adopts high strength cast iron entirety box-structure, has enough intensity and rigidity.
Crankcase as Figure 2-3, is provided with bent axle 21 in it, bent axle 21 selects high-quality forged steel to make, and bearing shell is steel backing high tin-aluminum alloy watt.Gear adopts superior alloy steel, and the hard flank of tooth, has higher transmission accuracy.Connnecting rod big end is selected split type structure to install and remove, and microcephaly selects straight pin to connect, reliable operation.
Described bent axle 21 is many crank throws form, and the present embodiment is three crank throw forms, and along the projecting direction of bent axle, three described crank throws 22 are 120 ° taking crankshaft center as the center of circle and are uniformly distributed.
Can certainly select as required the number of crank throw, for ensureing the smoothness of operation, crank throw is uniformly distributed as the center of circle taking crankshaft center.
In three crank throws 22, be arranged with a crank 23 on each crank throw 22, the elongation line that is positioned at the connecting rod axis at crank two ends in the present embodiment is located along the same line, and the outer wall both sides of crank are respectively connected with connecting rod and slide block, are connected with plunger with slide block; Two described connecting rod correspondences are provided with connecting rod screw, and two connecting rods connect by connecting rod nut.
After adopting above structure, plunger pump adopts horizontal opposed type pumping plant, motor rotates and drives primary gear speed reducing to drive, band dynamic crankshaft rotates, crankshaft & connecting adopts six formula structures, that is: bent axle adopts three reciprocating mechanisms, each crank holds 120 ° and is uniformly distributed, two of symmetric type installing connecting rods slide blocks on each crank, crankshaft rotating drives plunger through connecting rod slider, make plunger reciprocating, the every rotation of crank throw once can complete suction, each twice of discharge opeing, make working solution in hyperbaric chamber through inhale, liquid discharging valve sucks and discharges, thereby make electric energy change into hydraulic energy, output highly pressurised liquid is done for hydraulic pressure timberer.
Below casing, be provided with magnetic filter, with the Ferromagnetic Impurities in adsorpting lubrication oil.Above admission chamber lid, be provided with vent hole, to drain air in chamber.
This kind of structure can increase flow by the connection number (connecting rod slider number) that increases pumping plant, makes up thus rotating speed low and bring the phenomenon that flow is low.
This pumping plant has used big speed ratio reducing gear, and pumping plant rotating speed had reduced by 1/3rd more in the past, has alleviated wearing and tearing and impact to component in pumping plant operation process, has extended working life;
Linkage rod slide block mechanism becomes opposed type to arrange, has changed the situation of the monolateral layout of connecting rod slider in the past, the in the situation that of equal flow and pressure, and compact structure, noise is low, and boundary dimension and weight reduce greatly.
The horizontal six Double-action reciprocating formula plunger pumps that the invention provides, have solved the shortcomings such as existing plunger pump rotating speed is high, service cycle is short, working life is low.
The above is only the application's preferred implementation, makes those skilled in the art can understand or realize the application.To be apparent to one skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs, comprise emulsion pump, be connected with emulsion box with emulsion pump, emulsion pump comprises motor and crankcase, in crankcase, be provided with the bent axle being connected with motor, it is characterized in that: described bent axle is many crank throws form, on each crank throw, be arranged with a crank, the outer wall both sides of crank are respectively connected with connecting rod and slide block, are connected with plunger with slide block; Also include programmable controller, be connected with and be positioned at main feed pipe upward pressure sensor, the oil temperature that is positioned at crankcase, fuel level sensor, the liquid level that is positioned at emulsion box, liquid temperature sensor with programmable controller; Be connected with mining control apparatus with motor, control apparatus connects programmable controller.
2. according to the horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs described in claims 1, it is characterized in that: described crank throw is many three crank throw forms, along the projecting direction of bent axle, three described crank throws are 120 ° evenly respectively taking crankshaft center as the center of circle.
3. according to the horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs described in claims 1 or 2, it is characterized in that: the movement locus of the connecting rod slider at described crank two ends is on same straight line.
4. according to the horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs described in claims 3, it is characterized in that: two described connecting rod correspondences are provided with connecting rod screw, and two connecting rods connect by connecting rod nut.
5. according to the horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs described in claims 1, it is characterized in that: described control apparatus is permanent magnetic speed-adjusting controller.
6. according to the horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs described in claims 1, it is characterized in that: be connected with alarm with programmable controller.
7. according to the horizontal six reciprocating dual output permanent magnetic speed-adjusting type emulsion power packs described in claims 1, it is characterized in that: described emulsion pump is two, is set up in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699341.8A CN103899524A (en) | 2013-12-19 | 2013-12-19 | Horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699341.8A CN103899524A (en) | 2013-12-19 | 2013-12-19 | Horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station |
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| CN103899524A true CN103899524A (en) | 2014-07-02 |
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| CN201310699341.8A Pending CN103899524A (en) | 2013-12-19 | 2013-12-19 | Horizontal type sextuple-connection reciprocating dual-output permanent magnet speed-regulating emulsion pump station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649908A (en) * | 2014-11-28 | 2016-06-08 | 北京创新通恒科技有限公司 | Multi-pump-head radial plunger pump |
-
2013
- 2013-12-19 CN CN201310699341.8A patent/CN103899524A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649908A (en) * | 2014-11-28 | 2016-06-08 | 北京创新通恒科技有限公司 | Multi-pump-head radial plunger pump |
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Application publication date: 20140702 |
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