CN101382232A - Positive displacement single-valve lubrication apparatus - Google Patents
Positive displacement single-valve lubrication apparatus Download PDFInfo
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- CN101382232A CN101382232A CNA2008101722419A CN200810172241A CN101382232A CN 101382232 A CN101382232 A CN 101382232A CN A2008101722419 A CNA2008101722419 A CN A2008101722419A CN 200810172241 A CN200810172241 A CN 200810172241A CN 101382232 A CN101382232 A CN 101382232A
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- oil
- transportation mouth
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Abstract
The invention discloses a volume-typed single check lubrication device, which is invented in order to solve the problems that the fuel delivery is difficult to be controlled in the prior art, and the like. The volume-typed single check lubrication device comprises a pump chamber, an electric control reversing valve and a control device, wherein, the left end and the right end of the pump chamber are respectively provided with an oil conveying port; the pump chamber is internally provided with a piston which divides the pump chamber into a left independent chamber and a right independent chamber; the electric control reversing valve is respectively connected with the oil conveying port at the left end of the pump chamber and the oil conveying port at the right end of the pump chamber; the electric control reversing valve is provided with an oil inlet and an oil outlet; the electric control reversing valve acts so as to lead the lubricant to enter the pump chamber through the oil inlet and generates the pressure difference at the left independent chamber and the right independent chamber; the piston reciprocates in the pump chamber by virtue of the pressure difference in the two independent chambers to complete the oil supply to the oil outlet from the oil inlet; the left oil conveying port and the right oil conveying port are respectively used for alternative oil feeding and oil outgoing; the control device is used for controlling the action of the electric control reversing valve; by the control device, the structure of the lubrication device controls the electric control reversing valve to run to drive the piston to reciprocate in the pump chamber, thus completing bidirectional oil supply; as the section area of the pump chamber and the displacement of the piston are constant, the fuel delivery is exact and controllable and the efficiency is high.
Description
Technical field
The present invention relates to a kind of lubricating fitting, particularly positive displacement single-valve lubrication apparatus.
Background technique
In the modern main equipment control, as shown in Figure 3, each the parts action in the equipment all is to realize by long-range man-machine interaction, and this action also comprises increases lubricant oil to equipment.
As shown in Figure 3, little automatically controlled after receiving the instruction that the PLC programmable controller sends, the output automatically controlled signal, driving electrically-controlled valve A, B or X opens, lubricant oil in the lubricant pump is exported by electrically-controlled valve, after the output beginning, the electrically-controlled valve feedback signal, by little automatically controlled calculating output time, with control lubricant oil output quantity.It is bigger that the electrically-controlled valve fuel delivery of this structure is influenced by lubricating oil pressure in the lubricant pump, that is to say that in the identical unit time, lubricating oil pressure is high more in the lubricant pump, and the lubricant oil of output is many more; Otherwise in the identical unit time, lubricating oil pressure is low more in the lubricant pump, and the lubricant oil of output is few more, so the degree of accuracy of lubricant oil output quantity is not high, is unfavorable for telecontrol.
Summary of the invention
In order to overcome above-mentioned defective, the object of the present invention is to provide a kind of fuel delivery positive displacement single-valve lubrication apparatus accurately and efficiently.
In order to achieve the above object, positive displacement single-valve lubrication apparatus of the present invention comprises:
Pump chamber, two ends, the pump chamber left and right sides are respectively equipped with the oil transportation mouth, are provided with piston in described pump chamber, two separate chamber about piston is divided into pump chamber;
Electric control reversing valve, be connected respectively with right-hand member oil transportation mouth with pump chamber left end oil transportation mouth, be provided with filler opening and oil outlet, the electric control reversing valve events makes lubricant oil enter pump chamber from filler opening, about produce pressure reduction in two separate chamber, piston moves back and forth in pump chamber by the pressure reduction of two separate chamber inside and finishes from the outside fuel feeding of oil outlet, and described left end oil transportation mouth and right-hand member oil transportation mouth are respectively applied for alternately oil-feed and fuel-displaced;
Control gear is used to control the electric control reversing valve events.
Wherein, described electric control reversing valve comprises valve body and the guiding valve that is arranged in the valve body, and described guiding valve moves in valve body, and described filler opening and oil outlet are separately positioned on the valve body, and left end oil transportation mouth and right-hand member oil transportation mouth are connected on the described valve body;
Control gear moves back and forth in valve body according to the positioning control guiding valve of piston in the chamber.
Particularly, described electric control reversing valve is a solenoid valve, described control gear comprise be arranged near first the pump chamber left end oil transportation mouth near switch and be provided with near the pump chamber right-hand member oil transportation mouth second near switch, by near the action of switch control electromagnetic valve and then control guiding valve and move back and forth about in valve body.Electromagnetic valve, breakout pressure is lower, and is simple to operate, and rate of fault is low.
Wherein, described piston is near first during near switch, and solenoid valve gets electric, and guiding valve moves to right; Piston is near second during near switch, the solenoid valve dead electricity, and guiding valve moves to left.Increased being quick on the draw property of piston action near being provided with of switch, reduced switching time, controllability is strong.
Particularly, described valve body in its heart position be provided with center-aisle, along being arranged at intervals with a plurality of cavitys respectively on the described center-aisle sidewall, described guiding valve is arranged in the center-aisle, described guiding valve is by valve rod and be disposed on the spool that is sealed and matched with the center-aisle sidewall on the valve rod and constitute, and slides in center-aisle, is respectively arranged with opening on the described cavity sidewalls, wherein, described opening respectively with pump chamber left end oil transportation mouth, right oil transportation mouth, solenoid valve filler opening and the corresponding UNICOM of oil outlet.This kind valve body structure is simple, and cost is lower.
Further, described solenoid valve is respectively arranged with six cavitys, along direction from left to right be respectively first, second, third and fourth, five, six cavitys, described second cavity and the 4th cavity are respectively through opening and filler opening UNICOM, the 6th cavity is through opening and oil outlet UNICOM, described first cavity and the 3rd cavity are respectively through opening and pump chamber left end oil transportation mouth UNICOM, and described the 5th cavity is through opening and pump chamber right-hand member oil transportation mouth UNICOM; Described guiding valve inside is provided with connecting passage; Guiding valve moves to right, by gap conducting second cavity and the 3rd cavity, the 5th cavity and the 6th cavity of valve rod and center-aisle; Guiding valve moves to left, by connecting passage conducting first cavity and the 6th cavity, by gap conducting the 4th cavity and the 5th cavity of valve rod and center-aisle.
The positive displacement lubricating fitting of said structure is controlled electronic selector valve and then control piston round action in pump chamber by control gear, finishes two-way fuel feeding, because the pump chamber sectional area is certain, piston displacement is certain, so fuel delivery is accurately controlled.And the present invention adopts an electric control reversing valve to realize piston two-way mobile fuel feeding in pump chamber, has improved working efficiency greatly, has reduced manufacture cost.
Description of drawings
Fig. 1 is specific embodiment of the invention state 1 structural representation.
Fig. 2 is specific embodiment of the invention state 2 structural representations.
Fig. 3 is the background technique structural representation.
Embodiment
Below in conjunction with drawings and Examples positive displacement single-valve lubrication apparatus of the present invention is described in further detail.
As shown in Figure 1 and Figure 2, positive displacement single-valve lubrication apparatus of the present invention comprises pump chamber 1, is a container, and described container left end is provided with oil transportation mouth 11, and right-hand member is provided with oil transportation mouth 12, is provided with piston 3 in the described container, two separate chamber about piston 3 is divided into container; Electric control reversing valve 2 is connected respectively with right-hand member oil transportation mouth 12 with pump chamber left end oil transportation mouth 11; Be provided with filler opening 4 and oil outlet 5; Electric control reversing valve 2 actions make lubricant oil enter pump chamber 1 from filler opening 4, about produce pressure reduction in two separate chamber, piston 3 moves back and forth in pump chamber 1 by the pressure reduction of two separate chamber inside and finishes from oil outlet 5 outside fuel feeding, and left end oil transportation mouth 11 and right-hand member oil transportation mouth 12 are respectively applied for alternately oil-feed and fuel-displaced; Control gear, 2 actions of control electric control reversing valve.
The positive displacement single-valve lubrication apparatus of said structure, in 2 actions of control gear control electric control reversing valve, lubricant oil enters pump chamber 1 by filler opening 4, when left end oil transportation mouth 11 is communicated with oil-feed, left side separate chamber internal pressure increases, piston 3 moves to right-hand member in pump chamber 1, and right separate chamber internal pressure increases, and lubricant oil is supplied with lubricating point by right oil transportation mouth 12 through oil outlet 5 outputs; When piston 3 moves to specified position, control gear control electric control reversing valve 2 counteragents, right oil transportation mouth 12 is communicated with oil-feed, left side separate chamber internal pressure increases, piston 3 moves to left end in pump chamber 1, left side separate chamber internal pressure increases, and lubricant oil is supplied with lubricating point by left end oil transportation mouth 11 through oil outlet 5 outputs; So perseveration is finished lasting fuel feeding.By the 2 action oil transportations in pump chamber 1 of control gear control electric control reversing valve, piston 3 by about two separate chamber internal pressure differences in pump chamber 1, come and go to move, finish fuel feeding, because pump chamber 1 sectional area is certain, piston 3 displacements are certain, so fuel delivery is accurately controlled, oil pressure actuated piston 3, breakout pressure is lower, is quick on the draw, and controllability is strong.And, move in pump chamber 1 by an electric control reversing valve 2 control pistons 3, realize two-way mobile fuel feeding, improved working efficiency, simplified the fuel feeding control flow, reduced cost of production.
Wherein, described electric control reversing valve 2 comprises valve body 21 and the guiding valve 22 that is arranged in the valve body 21, and described guiding valve 22 moves in valve body 21, and described filler opening 4 and oil outlet 5 are separately positioned on the valve body 21; Left end oil transportation mouth 11 and right-hand member oil transportation mouth 12 are connected on the described valve body 21; Control gear is according to piston 3 positioning control guiding valve 22 reciprocating action in valve body 21 of 1 in pump chamber.Move back and forth in pump chamber 1 by guiding valve 22 reciprocating action switching controls piston 3 in valve body 21.
Particularly, described electric control reversing valve 2 is solenoid valves, described control gear comprise be arranged near first the pump chamber 1 left end oil transportation mouth 11 near switch 110 and be provided with near the pump chamber right-hand member oil transportation mouth 12 second near switch 120, by about 2 actions of switch control electromagnetic valve and then control guiding valve 22 are in valve body 21, moving back and forth.Solenoid valve 2 controls, breakout pressure is lower, and is simple to operate, and rate of fault is low.
Wherein, described piston 3 is near first during near switch 110, solenoid valve 3 electric, guiding valve 22 moves to right; Piston 3 is near second during near switch 120, solenoid valve 2 dead electricity, and guiding valve 22 moves to left.Increased piston 3 motor reaction sensitivitys near being provided with of switch, reduced switching time, controllability is strong.Certainly,, concrete link position near switch and solenoid valve can corresponding be set, be not limited to above-mentioned working state according to solenoid valve 2 structures and concrete mounting type as long as can satisfy usage requirement.
Particularly, described valve body 21 central positions are provided with center-aisle 210, along being arranged at intervals with a plurality of cavitys respectively on described center-aisle 210 sidewalls, described guiding valve 22 is arranged in the center-aisle 210, described guiding valve 22 is by valve rod 221 and be disposed on the spool 222 that is sealed and matched with center-aisle 210 sidewalls on the valve rod 221 and constitute, and in center-aisle 210, slide, be respectively arranged with opening on the described cavity sidewalls, wherein, described opening respectively with pump chamber left end oil transportation mouth 11, right oil transportation mouth 12, solenoid valve filler opening 4 and oil outlet 5 corresponding UNICOMs.This kind valve body 21 is simple in structure, makes easily, and cost is lower.
Further, described solenoid valve 2 is respectively arranged with six cavitys, edge from left to right direction is respectively first cavity 10, second cavity 20, the 3rd cavity 30, the 4th cavity 40, the 5th cavity 50, the 6th cavity 60, described second cavity 20 and the 4th cavity 40 are respectively through opening and filler opening 4 UNICOMs, the 6th cavity 60 is through opening and oil outlet 5 UNICOMs, described first cavity 10 and the 3rd cavity 30 are respectively through opening and pump chamber left end oil transportation mouth 11 UNICOMs, and described the 5th cavity 50 is through opening and pump chamber right-hand member oil transportation mouth 12 UNICOMs; Described guiding valve 22 inside are provided with connecting passage 220; Guiding valve 22 moves to right, gap conducting second cavity 20 and the 3rd cavity 30, the 5th cavity 50 and the 6th cavity 60 by valve rod 221 and center-aisle 210, lubricant oil enters second cavity 20 by filler opening 4, enter pump chamber left end separate chamber through the 3rd cavity 30 openings from pump chamber left end oil transportation mouth 11, oil pressure promotes piston 3 and moves to right, lubricant oil in the right-hand member separate chamber enters the 5th cavity 50 through right oil transportation mouth 12 and the 5th cavity opening, outwards supplies with lubricating point through the 6th cavity 60 openings from oil outlet 5 again; Guiding valve 22 moves to left, by connecting passage 220 conductings, first cavity 10 and the 6th cavity 60, gap conducting the 4th cavity 40 and the 5th cavity 50 by valve rod 221 and center-aisle 210, lubricant oil enters the 4th cavity 40 by filler opening 4, enter pump chamber right-hand member separate chamber through the 5th cavity 50 openings from pump chamber right-hand member oil transportation mouth 12, oil pressure promotes piston 3 and moves to left, lubricant oil in the left end separate chamber enters guiding valve connecting passage 220 through the left end oil transportation mouth 11 and the first cavity opening, outwards supplies with lubricating point through the 6th cavity 60 openings from oil outlet 5 again.
Certainly, structure of the present invention is not limited to above-mentioned concrete form, can also realize the two-way control fuel feeding of single valve by valve body or guiding valve that different concrete structures is set, such as the number of cavities in the valve body and cavity opening and filler opening, oil outlet, the concrete annexation of left end oil transportation mouth and right-hand member oil transportation mouth, the valve rod of guiding valve, spool and inner connecting passage are taked other concrete structural type according to the concrete effect that is play in the fuel feeding process, be connected the center-aisle that replaces being arranged on inner conducting first cavity of guiding valve and the 6th cavity such as can also passage being set with the 6th cavity with first cavity, do not limit at this at valve inner.
Can different container section be set according to different lubricating point needs and satisfy a fuel delivery demand, can also reduce or increase the fuel delivery of each lubricating point at any time by adjusting the oiling number of times simultaneously, oil meter is calculated accuracy rate more than 96%, can realize the storage of historical oil-filling data, so that it is carried out analysis optimization, can be used for dried thin oil lubricant, easy to operate, can realize intelligent control, effectively reduce the grease waste.
The present invention is not limited to above-mentioned mode of execution, no matter do any variation on its shape or structure, every to utilize the positive displacement single-valve lubrication apparatus of said structure all be a kind of distortion of the present invention, all should think and drop within the protection domain of the present invention.
Claims (6)
1, a kind of positive displacement single-valve lubrication apparatus is characterized in that, comprising:
Pump chamber, two ends, the pump chamber left and right sides are respectively equipped with the oil transportation mouth, are provided with piston in described pump chamber, two separate chamber about piston is divided into pump chamber;
Electric control reversing valve, be connected respectively with right-hand member oil transportation mouth with pump chamber left end oil transportation mouth, be provided with filler opening and oil outlet, the electric control reversing valve events makes lubricant oil enter pump chamber from filler opening, about produce pressure reduction in two separate chamber, piston moves back and forth in pump chamber by the pressure reduction of two separate chamber inside and finishes from the outside fuel feeding of oil outlet, and described left end oil transportation mouth and right-hand member oil transportation mouth are respectively applied for alternately oil-feed and fuel-displaced;
Control gear is used to control the electric control reversing valve events.
2, positive displacement single-valve lubrication apparatus as claimed in claim 1 is characterized in that, described electric control reversing valve comprises valve body and the guiding valve that is arranged in the valve body, and described guiding valve moves in valve body, and described filler opening and oil outlet are separately positioned on the valve body; Left end oil transportation mouth and right-hand member oil transportation mouth are connected on the described valve body;
Control gear moves back and forth in valve body according to the positioning control guiding valve of piston in the chamber.
3, positive displacement single-valve lubrication apparatus as claimed in claim 2, it is characterized in that, described electric control reversing valve is a solenoid valve, described control gear comprise be arranged near first the pump chamber left end oil transportation mouth near switch and be provided with near the pump chamber right-hand member oil transportation mouth second near switch, by near the action of switch control electromagnetic valve and then control guiding valve and move back and forth about in valve body.
4, positive displacement single-valve lubrication apparatus as claimed in claim 3 is characterized in that, described piston is near first during near switch, and solenoid valve gets electric, and guiding valve moves to right; Piston is near second during near switch, the solenoid valve dead electricity, and guiding valve moves to left.
5, positive displacement single-valve lubrication apparatus as claimed in claim 4, it is characterized in that, described valve body is provided with center-aisle in heart position therein, described guiding valve is arranged in the center-aisle and in center-aisle and moves, along being arranged at intervals with a plurality of cavitys respectively on the described center-aisle sidewall, be respectively arranged with opening on the described cavity sidewalls, described guiding valve is by valve rod and be disposed on the spool that is sealed and matched with the center-aisle sidewall on the valve rod and constitute, wherein, described opening respectively with pump chamber left end oil transportation mouth, right-hand member oil transportation mouth, the corresponding UNICOM of solenoid valve filler opening and oil outlet.
6, positive displacement single-valve lubrication apparatus as claimed in claim 5, it is characterized in that, described solenoid valve is respectively arranged with six cavitys, along direction from left to right be respectively first, second, third and fourth, five, six cavitys, described second cavity and the 4th cavity are respectively through opening and filler opening UNICOM, the 6th cavity is through opening and oil outlet UNICOM, and described first cavity and the 3rd cavity are respectively through opening and pump chamber left end oil transportation mouth UNICOM, and described the 5th cavity is through opening and pump chamber right-hand member oil transportation mouth UNICOM; Described guiding valve inside is provided with connecting passage; Guiding valve moves to right, by gap conducting second cavity and the 3rd cavity, the 5th cavity and the 6th cavity of valve rod and center-aisle; Guiding valve moves to left, by connecting passage conducting first cavity and the 6th cavity, by gap conducting the 4th cavity and the 5th cavity of valve rod and center-aisle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101722419A CN101382232A (en) | 2008-10-31 | 2008-10-31 | Positive displacement single-valve lubrication apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101722419A CN101382232A (en) | 2008-10-31 | 2008-10-31 | Positive displacement single-valve lubrication apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN101382232A true CN101382232A (en) | 2009-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101722419A Pending CN101382232A (en) | 2008-10-31 | 2008-10-31 | Positive displacement single-valve lubrication apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103459780A (en) * | 2010-10-20 | 2013-12-18 | 涡轮梅坎公司 | Lubricating device having a bypass valve |
| CN105697441A (en) * | 2016-01-08 | 2016-06-22 | 洪子云 | Hydraulic travel automatic reversing valve and hydraulic control system of rotating pump hole forming pile machine |
| CN108757248A (en) * | 2018-07-09 | 2018-11-06 | 郑州航空工业管理学院 | Variable position adaptively switches the energy saving reciprocal fueller of two-way |
| CN108843473A (en) * | 2018-07-09 | 2018-11-20 | 郑州航空工业管理学院 | More check valve combinations are adaptive mutually to open the reciprocal fueller of energy conservation in advance |
-
2008
- 2008-10-31 CN CNA2008101722419A patent/CN101382232A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103459780A (en) * | 2010-10-20 | 2013-12-18 | 涡轮梅坎公司 | Lubricating device having a bypass valve |
| CN103459780B (en) * | 2010-10-20 | 2015-07-08 | 涡轮梅坎公司 | Lubricating device having a bypass valve |
| CN105697441A (en) * | 2016-01-08 | 2016-06-22 | 洪子云 | Hydraulic travel automatic reversing valve and hydraulic control system of rotating pump hole forming pile machine |
| CN108757248A (en) * | 2018-07-09 | 2018-11-06 | 郑州航空工业管理学院 | Variable position adaptively switches the energy saving reciprocal fueller of two-way |
| CN108843473A (en) * | 2018-07-09 | 2018-11-20 | 郑州航空工业管理学院 | More check valve combinations are adaptive mutually to open the reciprocal fueller of energy conservation in advance |
| CN108757248B (en) * | 2018-07-09 | 2023-09-05 | 郑州航空工业管理学院 | Variable position self-adaptive switching double-path energy-saving reciprocating oil supply device |
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Open date: 20090311 |