CN203384137U - Fast and efficient dual-pump oil circuit - Google Patents
Fast and efficient dual-pump oil circuit Download PDFInfo
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- CN203384137U CN203384137U CN201320322020.1U CN201320322020U CN203384137U CN 203384137 U CN203384137 U CN 203384137U CN 201320322020 U CN201320322020 U CN 201320322020U CN 203384137 U CN203384137 U CN 203384137U
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- oil hydraulic
- hydraulic pump
- pump
- oil
- fast
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Abstract
The utility model provides a fast and efficient dual-pump oil circuit comprising a first hydraulic pump and a second hydraulic pump which are connected to an oil tank. A one-way valve is connected to the second hydraulic pump and forms a connection in parallel with the first hydraulic pump. The first hydraulic pump is connected with the left cavity of a hydraulic cylinder, and the right cavity of the hydraulic cylinder is connected to the oil tank. The fast and efficient dual-pump oil circuit is reasonable in design, compact in structure, convenient to operate, flexible to control, and high in operating efficiency and economic benefits.
Description
Technical field
The utility model relates to the hydraulics field, is specifically related to efficiently double pump oil supply loop fast.
Background technique
Because the hydraulic actuator volume is little, lightweight, compact structure, stable working, reaction is fast, be easy to realize quick startup, braking and the advantage such as commutation frequently, be widely used in machine-building, engineering construction, petrochemical industry, communications and transportation, the All aspects of such as military machine, the pipeline of oil hydraulic pump oil supply loop of the prior art connects very complicated, arrange also cumbersome, work stable not, degree of regulation is not high, can not meet work requirements, because the shortcoming of above-mentioned instrument, it does not reach perfection inventor's thoughts, then exhausting the concentrated research of its intelligence overcomes, be engaged in this industry working experience for many years with it, and then develop efficiently double pump oil supply loop fast, utilize simple design, can make the utility model reach easy to operate and working stability, the effect of quick fuel feeding.
Summary of the invention
Technical problem to be solved in the utility model is to provide efficiently double pump oil supply loop fast, reasonable in design, and compact structure is easy to operate, control flexibly, and high working efficiency, economic benefit is high.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: efficient double pump oil supply loop fast, comprise the first oil hydraulic pump and the second oil hydraulic pump that are connected with fuel tank, on described the second oil hydraulic pump, series connection one-way valve and the first oil hydraulic pump formation are connected in parallel, described the first oil hydraulic pump is connected with the left chamber of oil hydraulic cylinder, and the right chamber of described oil hydraulic cylinder is connected to fuel tank.
As preferably, be connected with relief valve between described the first oil hydraulic pump and oil hydraulic cylinder, described relief valve is connected setting with fuel tank.By adopting this set, there is the pressure regulation effect, can need to set up the pressure of system according to system.
As preferably, be connected with unloading valve on described the second oil hydraulic pump, described unloading valve is connected setting with fuel tank.By adopting this set, when in system, pressure raises, the second oil hydraulic pump can carry out off-load, to tank drainback, plays energy-conservation effect.
Beneficial effect:
The utility model adopts technique scheme that double pump oil supply loop fast is provided efficiently, has made up the deficiencies in the prior art, has improved economic effect, reasonable in design, and compact structure is easy to operate, control flexibly, and high working efficiency, economic benefit is high.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, efficient double pump oil supply loop fast, comprise the first oil hydraulic pump 2 and the second oil hydraulic pump 3 that are connected with fuel tank 1, on described the second oil hydraulic pump 3, series connection one-way valve 4 and the first oil hydraulic pump 2 formations are connected in parallel, described the first oil hydraulic pump 2 is connected with the left chamber 6 of oil hydraulic cylinder 5, and the right chamber 7 of described oil hydraulic cylinder 5 is connected to fuel tank 1.Be connected with relief valve 8 between described the first oil hydraulic pump 2 and oil hydraulic cylinder 5, described relief valve 8 is connected setting with fuel tank 1.Be connected with unloading valve 9 on described the second oil hydraulic pump 3, described unloading valve 9 is connected setting with fuel tank 1.
During real work, relief valve 8 is controlled the charge oil pressure of the first oil hydraulic pump 2, the maximum service pressure required according to system set up, the set pressure of unloading valve 9 is lower than the set pressure of relief valve 8, but the Minimum operating pressure more required than hydraulic system is high, the load that actuator in system overcomes is less and while requiring movement velocity very fast, the first oil hydraulic pump 2 and the second oil hydraulic pump 3 are simultaneously to the hydraulic system fuel feeding, while when outer load increase, requiring actuator's movement velocity slower, system works pressure raises, unloading valve 9 work, the second oil hydraulic pump 3 off-loads, system is by the independent fuel feeding of the first oil hydraulic pump 2, the second oil hydraulic pump 3 will be with very low pressure directly to fuel tank 1 oil return, play energy-conservation effect.Make up the deficiencies in the prior art, improved economic effect, reasonable in design, compact structure, easy to operate, control flexibly, high working efficiency, economic benefit is high.
Specific embodiment described herein is only to the explanation for example of the utility model spirit, the utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (3)
1. efficient double pump oil supply loop fast, it is characterized in that: comprise the first oil hydraulic pump (2) and the second oil hydraulic pump (3) that are connected with fuel tank (1), described the second oil hydraulic pump (3) upper series connection one-way valve (4) forms and is connected in parallel with the first oil hydraulic pump (2), described the first oil hydraulic pump (2) is connected with the left chamber (6) of oil hydraulic cylinder (5), and the right chamber (7) of described oil hydraulic cylinder (5) is connected to fuel tank (1).
2. efficient double pump oil supply loop fast according to claim 1, it is characterized in that: be connected with relief valve (8) between described the first oil hydraulic pump (2) and oil hydraulic cylinder (5), described relief valve (8) is connected setting with fuel tank (1).
3. efficient double pump oil supply loop fast according to claim 1, it is characterized in that: be connected with unloading valve (9) on described the second oil hydraulic pump (3), described unloading valve (9) is connected setting with fuel tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320322020.1U CN203384137U (en) | 2013-06-05 | 2013-06-05 | Fast and efficient dual-pump oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320322020.1U CN203384137U (en) | 2013-06-05 | 2013-06-05 | Fast and efficient dual-pump oil circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384137U true CN203384137U (en) | 2014-01-08 |
Family
ID=49872638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320322020.1U Expired - Fee Related CN203384137U (en) | 2013-06-05 | 2013-06-05 | Fast and efficient dual-pump oil circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443468A (en) * | 2014-09-19 | 2016-03-30 | 福伊特专利有限公司 | Hydraulic drive with rapid stroke and load stroke |
-
2013
- 2013-06-05 CN CN201320322020.1U patent/CN203384137U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443468A (en) * | 2014-09-19 | 2016-03-30 | 福伊特专利有限公司 | Hydraulic drive with rapid stroke and load stroke |
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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: 20140108 Termination date: 20150605 |
|
| EXPY | Termination of patent right or utility model |