CN111188981A - Oil supply system suitable for plunger pump pressure oil source - Google Patents
Oil supply system suitable for plunger pump pressure oil source Download PDFInfo
- Publication number
- CN111188981A CN111188981A CN202010086825.5A CN202010086825A CN111188981A CN 111188981 A CN111188981 A CN 111188981A CN 202010086825 A CN202010086825 A CN 202010086825A CN 111188981 A CN111188981 A CN 111188981A
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- China
- Prior art keywords
- oil
- plunger pump
- supply system
- overflow
- pump pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003921 oil Substances 0.000 claims abstract description 172
- 239000010687 lubricating oil Substances 0.000 claims abstract description 13
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/28—Dip lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention provides an oil supply system suitable for a plunger pump pressure oil source, which comprises an oil guide pipe, a plunger pump, a throttling plug, an overflow transfer joint block, an oil outlet pipe and a pressure oil source, wherein the plunger pump is connected with the oil guide pipe through the oil guide pipe; the overflow transfer connecting block is provided with a throttling plug; the overflow transfer connecting block is connected with the plunger pump through an oil outlet pipe, one end of the oil guide pipe is installed on the throttle plug, and the other end of the oil guide pipe is connected with a pressure oil source. Under the condition that an oil source has certain pressure, the throttling plug and the overflow connection block are additionally arranged in front of the plunger pump, so that lubricating oil meeting the use requirement of the plunger pump can be obtained, the plunger pump can normally work and meet the target performance requirement, the current situation that the plunger pump uses an oil barrel in the prior art is solved, the environmental adaptability is improved, the oil source selection is not limited, the oil source with guaranteed cleanliness can be selected, and the working stability and reliability of a system and parts are improved; compact structure, flexible arrangement and low cost.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to an oil supply system suitable for a plunger pump pressure oil source.
Background
The plunger pump belongs to a positive displacement pump, and the volume of a working cavity is changed periodically by utilizing the reciprocating motion of a plunger in a cylinder body, so that the aim of conveying liquid is fulfilled. If the plunger pump uses an oil pressure oil source, the pressure oil source pushes away an outlet check valve in the plunger falling process (the stage that the plunger does not block an oil inlet), so that the pump continuously discharges lubricating oil, the oil discharge amount is uncontrollable, and the functionality and the reliability of a system and parts are influenced. Therefore, the plunger pump is usually equipped with a normal pressure oil source (the pressure of the oil source is equivalent to the atmospheric pressure, and the pump port check valve is not pushed open).
Looking up patent documents and scientific periodicals, an oil supply system of a plunger pump with a similar structure is not found at present; in combination with the investigation of the service conditions of the plunger pump, the oil supply system for the low-flow plunger pump at the present stage is mainly an oil drum type oil supply system: the plunger pump can be provided with an oil barrel at the top end of the pump body, so that lubricating oil is injected into the plunger pump in advance. The oil drum enables the pump body to be large in shape, high in overall height and high in space requirements for installation and use; in order to facilitate observation of the liquid level in the barrel, the barrel body is made of transparent materials such as organic glass and resin materials, the use environment is limited, and the barrel cannot be used in severe use environments with large impact and vibration; the lubricating oil is required to be injected into the barrel regularly, the risk that the pump continues to work when the lubricating oil is exhausted exists, and the maintainability and the safety are to be optimized.
The oil supply scheme aiming at the existing small-flow plunger pump is large in pump body type, high in installation and use space requirements, and risk exists when barrel body materials are used in severe use environments such as high temperature, impact and vibration, so that the maintenance is not facilitated, and the safety is poor.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide an oil supply system suitable for a plunger pump pressure oil source.
The oil supply system suitable for the plunger pump pressure oil source comprises a plunger pump, a throttle plug 2, an overflow adapter block 3 and an oil outlet pipe 4;
the overflow transfer connecting block 3 is provided with a throttling plug 2;
the overflow transfer joint block 3 is connected with the plunger pump through an oil outlet pipe 4.
Preferably, the overflow connecting block 3 is provided with an oil path inlet 31, an oil storage space 32 and an oil path outlet 34;
the oil storage space 32 is respectively communicated with the oil path inlet 31 and the oil path outlet 34;
the throttle plug 2 is arranged on the oil path inlet 31;
the oil outlet pipe 4 is installed on the oil outlet 34.
Preferably, the oil inlet 31, the oil storage space 32 and the oil outlet 34 are in non-linear communication.
Preferably, the overflow connecting block 3 is further provided with an overflow port 33;
the overflow port 33 is communicated with the oil storage space 32;
when the level of the oil in the oil storage space 32 reaches the position of the overflow port 33, the oil in the oil storage space 32 can flow out through the overflow port 33.
Preferably, the system also comprises an oil guide pipe 1 and a pressure oil source;
one end of the oil guide pipe 1 is arranged on the throttle plug 2, and the other end of the oil guide pipe 1 is connected with a pressure oil source.
Preferably, the flow rate of the plunger pump is 1-20 ml/min.
Preferably, the number of the throttle plugs 2 is one or more.
Preferably, the throttle plug 2 is provided with a throttle hole 21.
Preferably, the throttle plug 2 comprises a throttle plug with orifices of different diameters.
Preferably, the number of the oil outlet 34 is one or more.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the throttling plug 2 and the overflow connection block 3 are added in front of the plunger pump, so that lubricating oil meeting the use requirement of the plunger pump can be obtained, the plunger pump can normally work and meet the target performance requirement, the oil source selection is not limited, the oil source with guaranteed cleanliness can be selected, and the working stability and reliability of the system and parts are improved; compact structure, flexible arrangement and low cost.
2. Possess the automatic oil supplementing function of plunger pump, solved the current situation that the plunger pump used the oil drum among the prior art, need not to observe the operation such as oil drum liquid level, regular addition lubricating oil, reduced the use risk, reduced the cost of maintaining and patrolling and examining, improved environmental suitability.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the oil supply system of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention.
The figures show that:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
According to the oil supply system suitable for the plunger pump pressure oil source, as shown in fig. 1, the oil supply system comprises the pressure oil source, an oil guide pipe 1, a throttle plug 2, an overflow adapter block 3, an oil outlet pipe 4 and a plunger pump; the overflow transfer connecting block 3 is provided with a throttling plug 2; the overflow transfer connecting block 3 is connected with the plunger pump through an oil outlet pipe 4, one end of the oil guide pipe 1 is installed on the throttling plug 2, and the other end of the oil guide pipe 1 is connected with a pressure oil source. Under the condition that an oil source has certain pressure, the throttling plug 2 and the overflow transfer block 3 are additionally arranged in front of the plunger pump, so that lubricating oil meeting the use requirement of the plunger pump can be obtained, the plunger pump can normally work and meet the target performance requirement, the current situation that the plunger pump uses an oil barrel in the prior art is solved, the environmental adaptability is improved, the oil source is not limited in selection, the oil source with guaranteed cleanliness can be selected, and the working stability and reliability of a system and parts are improved; compact structure, flexible arrangement and low cost.
Specifically, as shown in fig. 3, the throttle plug 2 is provided with an orifice 21 for the purpose of preliminarily depressurizing and restricting the flow rate, and the oil pressure can be reduced by the orifice 21. The arrangement position of the throttle plug 1 can be flexibly adjusted, and the requirements of pressure and flow regulation under different pressure oil sources can be met by arranging throttle plugs with different quantities and different apertures. The oil supply flow of the system can be verified through a platform test.
Specifically, as shown in fig. 3, in a specific application, the orifice 21 includes orifices with different diameters, and the diameter of the orifice 21 can be adjusted according to the pressure of the pressure oil source, so as to achieve the purpose of controlling the pressure. The oil supply system has compact structure, flexible arrangement, high reliability and simple and convenient use and maintenance.
Further, the number of the throttle plugs 2 is one or more; the oil pressure can also be adjusted by adjusting the number of the throttle plugs 2, and the more the throttle plugs 2 are installed, the smaller the oil pressure passing through the throttle plugs 2 is, and the purpose of controlling the pressure can also be achieved.
Specifically, as shown in fig. 2 and 3, the overflow connecting block 3 is provided with an oil path inlet 31, an oil storage space 32, an overflow port 33 and an oil path outlet 34, and the overflow port 33 is communicated with the oil storage space 32; when the level of the oil in the oil storage space 32 reaches the position of the overflow port 33, the oil in the oil storage space 32 can flow out to the oil tank through the overflow port 33, which contributes to the stabilization of the internal pressure of the oil storage space 32.
Specifically, when specifically using, for the stability of assurance equipment, can design and be suitable for the fixed mounting panel of excessive flow splice block 3, as shown in fig. 3, with excessive flow splice block 3 through the detachable mode install the mounting panel on, be favorable to the stable and reliable of excessive flow splice block 3 oil supply, simple structure, it is convenient to use.
Further, the overflow switching block 3 has the functions of stabilizing pressure and ensuring that the oil pressure supplied to the inlet of the plunger pump is normal pressure, wherein the oil storage space 32 on the overflow switching block 3 plays a role in stabilizing pressure; the oil inlet 31, the oil storage space 32 and the oil outlet 34 are in non-linear communication. The oil way inlet 31 and the oil way outlet 34 on the overflow transfer joint block 3 are staggered, so that the influence of the fluid medium on the working stability of the system is avoided, the structure is simple, and the stability of oil supply is improved.
Further, when the level of the lubricant in the oil storage space 32 in the overflow adaptor block 3 is higher than the overflow port 33, the lubricant flows back to the oil tank, and the pressure in the oil storage space 32 is equal to the atmospheric pressure.
Specifically, the quantity of oil path export 34 on overflow circulation splice block 3 is one or more, and in specifically using, when the quantity of oil path export 34 on overflow circulation splice block 3 was a plurality of, can connect a plurality of plunger pumps simultaneously and for a plurality of plunger pump fuel feeding, the practicality is strong.
Specifically, the invention is suitable for supplying small-flow and normal-pressure lubricating oil to the plunger pump, and in a preferred example, the flow rate of the plunger pump is 1-20 ml/min.
Specifically, the oil guide pipe 1 is a common oil guide pipe, and guides the lubricating oil from an oil taking point to an oil supply system. Because the plunger pump comprises a plunger matching part, in order to avoid plunger clamping stagnation, lubricating oil filtered by a filter can be used; the oil pick-up point can be selected to be in accordance with cleanliness near the position of the plunger pump. The structure of the pump is simplified, the volume of the pump is reduced,
in a specific embodiment, the structure of an oil supply system actually used on a certain type of diesel engine is shown in fig. 1, two throttling plugs 2 and one overflow connection block 3 are used, and a flow test is carried out on an oil guide pipe 1, and a test result shows that the structure achieves the purpose of reducing the flow. The invention can realize the automatic oil supply of the plunger pump, the oil supply amount meets the design requirement, the long-term and reliable oil supply can be realized, the system structure is compact, the pump structure can be simplified, and the system can also be used for the machine matching of a diesel engine.
The invention provides the pressure oil source oil supply system which has the advantages of compact structure, flexible arrangement, good environmental adaptability, clean oil source and stable work, the pressure oil source can be selected, the pump emptying can be avoided, and the arrangement position of the pump is not limited; possess the automatic oil supplementing function of plunger pump, reduce the use risk, simplify and maintain. Through this structural scheme, realized carrying out the continuous fuel feeding through the pressure oil source.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An oil supply system suitable for a plunger pump pressure oil source is characterized by comprising a plunger pump, a throttling plug (2), an overflow adapter block (3) and an oil outlet pipe (4);
the overflow transfer connecting block (3) is provided with a throttle plug (2);
the overflow transfer joint block (3) is connected with the plunger pump through an oil outlet pipe (4).
2. The oil supply system for a plunger pump pressure oil source according to claim 1, wherein the overflow connection block (3) is provided with an oil path inlet (31), an oil storage space (32) and an oil path outlet (34);
the oil storage space (32) is respectively communicated with the oil path inlet (31) and the oil path outlet (34);
the throttle plug (2) is arranged on the oil path inlet (31);
the oil outlet pipe (4) is arranged on the oil path outlet (34).
3. The oil supply system for a plunger pump pressure oil source according to claim 2, wherein the oil path inlet (31), the oil storage space (32), and the oil path outlet (34) are in non-linear communication.
4. The oil supply system for a plunger pump pressure oil source according to claim 2, wherein the overflow transfer block (3) is further provided with an overflow port (33);
the overflow port (33) is communicated with the oil storage space (32);
when the height of the lubricating oil in the oil storage space (32) reaches the position of the overflow port (33), the lubricating oil in the oil storage space (32) can flow out through the overflow port (33).
5. The oil supply system for a plunger pump pressure oil source according to claim 1, further comprising an oil introduction pipe (1) and a pressure oil source;
one end of the oil guide pipe (1) is arranged on the throttling plug (2), and the other end of the oil guide pipe (1) is connected with a pressure oil source.
6. The oil supply system for a plunger pump pressure oil source as claimed in claim 1, wherein the plunger pump has a flow rate of 1 to 20 ml/min.
7. The oil supply system for a plunger pump pressure oil source according to claim 1, characterized in that the number of the throttle plugs (2) is one or more.
8. The oil supply system for a plunger pump pressure oil source according to claim 1, wherein the throttle plug (2) is provided with a throttle hole (21).
9. The oil supply system for a plunger pump pressure oil source according to claim 8, wherein the throttle plug (2) comprises a throttle plug with throttle holes having different diameters.
10. The oil supply system for a plunger pump pressure oil source according to claim 2, wherein the number of the oil path outlet (34) is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010086825.5A CN111188981A (en) | 2020-02-11 | 2020-02-11 | Oil supply system suitable for plunger pump pressure oil source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010086825.5A CN111188981A (en) | 2020-02-11 | 2020-02-11 | Oil supply system suitable for plunger pump pressure oil source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188981A true CN111188981A (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010086825.5A Pending CN111188981A (en) | 2020-02-11 | 2020-02-11 | Oil supply system suitable for plunger pump pressure oil source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188981A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200955652Y (en) * | 2006-02-28 | 2007-10-03 | 郑锡洲 | Multi-point grease pump |
| CN201339595Y (en) * | 2009-01-19 | 2009-11-04 | 无锡杰尔压缩机有限公司 | Combination valve for oil supply system of high-speed centrifugal blower |
| CN203019150U (en) * | 2012-12-31 | 2013-06-26 | 宁波天瑞精工机械有限公司 | Branching device for lubricating oil on machine tool |
| CN203823412U (en) * | 2013-11-04 | 2014-09-10 | 飞翼股份有限公司 | Valve set and thin oil station |
| CN203868656U (en) * | 2014-04-17 | 2014-10-08 | 江苏东方印务有限公司 | Lubricating device of laminating machine conveying box |
| CN107420726A (en) * | 2017-06-13 | 2017-12-01 | 皇氏集团股份有限公司 | A kind of intelligent automatic fuelling device |
| CN209146702U (en) * | 2018-09-21 | 2019-07-23 | 江苏五洲机械有限公司 | A kind of multiple spot adjustable type oil lubricating system |
| CN110307462A (en) * | 2019-06-17 | 2019-10-08 | 山东华宇工学院 | A kind of farm machinery Multi-way lubricating oil syringe |
| CN211853480U (en) * | 2020-02-11 | 2020-11-03 | 中国船舶重工集团公司第七一一研究所 | Oil supply system suitable for plunger pump pressure oil source |
-
2020
- 2020-02-11 CN CN202010086825.5A patent/CN111188981A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200955652Y (en) * | 2006-02-28 | 2007-10-03 | 郑锡洲 | Multi-point grease pump |
| CN201339595Y (en) * | 2009-01-19 | 2009-11-04 | 无锡杰尔压缩机有限公司 | Combination valve for oil supply system of high-speed centrifugal blower |
| CN203019150U (en) * | 2012-12-31 | 2013-06-26 | 宁波天瑞精工机械有限公司 | Branching device for lubricating oil on machine tool |
| CN203823412U (en) * | 2013-11-04 | 2014-09-10 | 飞翼股份有限公司 | Valve set and thin oil station |
| CN203868656U (en) * | 2014-04-17 | 2014-10-08 | 江苏东方印务有限公司 | Lubricating device of laminating machine conveying box |
| CN107420726A (en) * | 2017-06-13 | 2017-12-01 | 皇氏集团股份有限公司 | A kind of intelligent automatic fuelling device |
| CN209146702U (en) * | 2018-09-21 | 2019-07-23 | 江苏五洲机械有限公司 | A kind of multiple spot adjustable type oil lubricating system |
| CN110307462A (en) * | 2019-06-17 | 2019-10-08 | 山东华宇工学院 | A kind of farm machinery Multi-way lubricating oil syringe |
| CN211853480U (en) * | 2020-02-11 | 2020-11-03 | 中国船舶重工集团公司第七一一研究所 | Oil supply system suitable for plunger pump pressure oil source |
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