CN203756619U - Piston type energy storing device for pumping unit - Google Patents
Piston type energy storing device for pumping unit Download PDFInfo
- Publication number
- CN203756619U CN203756619U CN201420095998.3U CN201420095998U CN203756619U CN 203756619 U CN203756619 U CN 203756619U CN 201420095998 U CN201420095998 U CN 201420095998U CN 203756619 U CN203756619 U CN 203756619U
- Authority
- CN
- China
- Prior art keywords
- oil
- piston
- cylinder body
- hydraulic pump
- way valve
- 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.)
- Expired - Fee Related
Links
- 238000005086 pumping Methods 0.000 title abstract 3
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000002828 fuel tank Substances 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 8
- 238000004146 energy storage Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002035 prolonged Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 39
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The utility model relates to equipment for pumping units, in particular to a piston type energy storing device for a pumping unit. According to the technical scheme, a piston is installed in a cylinder, the piston divides the cylinder into an air cavity and a hydraulic cavity, an air injection valve is arranged on the top of the cylinder and communicated with the air cavity, one side of the piston is connected with the top of the cylinder through a reset spring, the other side of the piston is connected with the bottom of the cylinder through a piston rod, the hydraulic cavity is connected with an oil tank and a hydraulic pump through an oil way, an oil suction one-way valve is arranged between the oil tank and the hydraulic pump, an oil discharge one-way valve is arranged between the hydraulic pump and the hydraulic cavity, and a stop valve is arranged between the hydraulic cavity and the oil tank. The piston type energy storing device has the advantages that the service life of the energy storing device is prolonged, production cost is reduced, and work efficiency is improved.
Description
Technical field
The utility model relates to a kind of used for oil extractor equipment, particularly a kind of used for oil extractor piston type energy storage apparatus.
Background technique
At present, the fluid in piston accumulator and gas are separated by the free-piston floating, and piston top is pressurized air, by valve, gas is filled with, and high-voltage oil liquid flows to hydraulic system through oilhole, and piston slidably reciprocates with storage and the release of bottom pressure oil.This accumulator structure is simple, the life-span is long, but has larger frictional force because piston has certain inertia and O-ring seals, so reaction is sensitive not, inflation pressure is limited, and sealing difficulty, may cause gas to mix mutually with liquid, increase cost of production, reduced working efficiency.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, and a kind of used for oil extractor piston type energy storage apparatus is provided, and in the working life that is conducive to improve accumulator, reduces cost of production.
Its technological scheme is: comprise cylinder body, gas injection valve, piston, piston rod, Returnning spring, oil circuit, oil extraction one-way valve, stop valve, fuel tank, oil sucting one-way valve, oil hydraulic pump, piston is installed in the inside of described cylinder body, described piston is divided into air cavity and hydraulic pressure cavity by cylinder body, cylinder body top is provided with gas injection valve, described gas injection valve is communicated with air cavity, one side of piston connects cylinder body top by Returnning spring, the opposite side of piston connects cylinder base by piston rod, hydraulic pressure cavity connects fuel tank and oil hydraulic pump by oil circuit, between fuel tank and oil hydraulic pump, be provided with oil sucting one-way valve, between oil hydraulic pump and hydraulic pressure cavity, be provided with oil extraction one-way valve, between hydraulic pressure cavity and fuel tank, be provided with stop valve.
The side of above-mentioned piston is provided with seal ring, and internal piston is provided with oil suction sponge, and the centre of described seal ring is provided with oil-sucking hole, and described oil-sucking hole is communicated with the oil suction sponge of internal piston.
The beneficial effects of the utility model are: by Returnning spring is set in air cavity, reduce the frictional force of seal ring and cylinder body, make accumulator activity more flexible, avoid the problem of the little underpressure of bringing of inflation pressure, oil-sucking hole in the middle of seal ring and the oil suction sponge of internal piston can avoid the mixing of gas and liquid, improve the working life of accumulator, reduce cost of production, increase work efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is structural representations of piston;
In upper figure: cylinder body 1, gas injection valve 2, piston 3, piston rod 6, Returnning spring 7, oil circuit 8, oil extraction one-way valve 9, stop valve 10, fuel tank 11, oil sucting one-way valve 12, oil hydraulic pump 13, seal ring 3.1, oil-sucking hole 3.2, oil suction sponge 3.3.
Embodiment
1-2 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises cylinder body 1, gas injection valve 2, piston 3, piston rod 6, Returnning spring 7, oil circuit 8, oil extraction one-way valve 9, stop valve 10, fuel tank 11, oil sucting one-way valve 12, oil hydraulic pump 13, piston 3 is installed in the inside of described cylinder body 1, described piston 3 is divided into air cavity 4 and hydraulic pressure cavity 5 by cylinder body 1, cylinder body 1 top is provided with gas injection valve 2, described gas injection valve 2 is communicated with air cavity 4, one side of piston 3 connects the top of cylinder body 1 by Returnning spring 7, the opposite side of piston 3 connects cylinder body 1 bottom by piston rod 6, hydraulic pressure cavity 5 connects fuel tank 11 and oil hydraulic pump 13 by oil circuit 8, between fuel tank 11 and oil hydraulic pump 13, be provided with oil sucting one-way valve 12, between oil hydraulic pump 13 and hydraulic pressure cavity 5, be provided with oil extraction one-way valve 9, between hydraulic pressure cavity 5 and fuel tank 11, be provided with stop valve 10.
Wherein, the side of piston 3 is provided with seal ring 3.1, and piston 3 inside are provided with oil suction sponge 3.3, and the centre of described seal ring 3.1 is provided with oil-sucking hole 3.2, and described oil-sucking hole 3.2 is communicated with the oil suction sponge 3.3 of piston 3 inside.
During hydraulic pump works, oil sucting one-way valve 12 work between fuel tank 11 and oil hydraulic pump 13 suck the hydraulic oil in fuel tank 11, by the oil extraction one-way valve 9 between oil hydraulic pump 13 and hydraulic pressure cavity 5, discharge, hydraulic oil enters hydraulic pressure cavity 5 inside, promote piston rod 6 motions, piston 3 slidably reciprocates with storage and the release of bottom hydraulic oil, piston top is pressurized air, by gas injection valve 2, gas is filled with, hydraulic oil flows to hydraulic system through oilhole, by at the interior Returnning spring 7 that arranges of air cavity 4, reduce the frictional force of seal ring 3.1 and cylinder body 1, make accumulator activity more flexible, avoid the problem of the little underpressure of bringing of inflation pressure, oil-sucking hole 3.2 in the middle of seal ring 3.1 and the oil suction sponge 3.3 of piston 3 inside can avoid the mixing of gas and liquid.
Claims (2)
1. a used for oil extractor piston type energy storage apparatus, comprise cylinder body (1), gas injection valve (2), piston (3), piston rod (6), Returnning spring (7), oil circuit (8), oil extraction one-way valve (9), stop valve (10), fuel tank (11), oil sucting one-way valve (12), oil hydraulic pump (13), piston (3) is installed in the inside of described cylinder body (1), described piston (3) is divided into air cavity (4) and hydraulic pressure cavity (5) by cylinder body (1), cylinder body (1) top is provided with gas injection valve (2), described gas injection valve (2) is communicated with air cavity (4), it is characterized in that: a side of piston (3) connects the top of cylinder body (1) by Returnning spring (7), the opposite side of piston (3) connects cylinder body (1) bottom by piston rod (6), hydraulic pressure cavity (5) connects fuel tank (11) and oil hydraulic pump (13) by oil circuit (8), between fuel tank (11) and oil hydraulic pump (13), be provided with oil sucting one-way valve (12), between oil hydraulic pump (13) and hydraulic pressure cavity (5), be provided with oil extraction one-way valve (9), between hydraulic pressure cavity (5) and fuel tank (11), be provided with stop valve (10).
2. used for oil extractor piston type energy storage apparatus according to claim 1, it is characterized in that: the side of described piston (3) is provided with seal ring (3.1), piston (3) inside is provided with oil suction sponge (3.3), the centre of described seal ring (3.1) is provided with oil-sucking hole (3.2), and described oil-sucking hole (3.2) is communicated with the inner oil suction sponge (3.3) of piston (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095998.3U CN203756619U (en) | 2014-03-05 | 2014-03-05 | Piston type energy storing device for pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095998.3U CN203756619U (en) | 2014-03-05 | 2014-03-05 | Piston type energy storing device for pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756619U true CN203756619U (en) | 2014-08-06 |
Family
ID=51251900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095998.3U Expired - Fee Related CN203756619U (en) | 2014-03-05 | 2014-03-05 | Piston type energy storing device for pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756619U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2544974A (en) * | 2015-12-01 | 2017-06-07 | Delphi Int Operations Luxembourg Sarl | An accumulator for use in a fuel line to attenuate pressure peaks |
| CN108468535A (en) * | 2017-02-23 | 2018-08-31 | 中国石油化工股份有限公司 | Control device |
| CN109441382A (en) * | 2018-12-28 | 2019-03-08 | 易鲁川 | A kind of hydraulic anchor |
-
2014
- 2014-03-05 CN CN201420095998.3U patent/CN203756619U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2544974A (en) * | 2015-12-01 | 2017-06-07 | Delphi Int Operations Luxembourg Sarl | An accumulator for use in a fuel line to attenuate pressure peaks |
| GB2544974B (en) * | 2015-12-01 | 2019-07-10 | Delphi Tech Ip Ltd | An accumulator for use in a fuel line to attenuate pressure peaks |
| CN108468535A (en) * | 2017-02-23 | 2018-08-31 | 中国石油化工股份有限公司 | Control device |
| CN109441382A (en) * | 2018-12-28 | 2019-03-08 | 易鲁川 | A kind of hydraulic anchor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |