CN103867531A - Hydraulic power supply providing system - Google Patents
Hydraulic power supply providing system Download PDFInfo
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- CN103867531A CN103867531A CN201410096341.3A CN201410096341A CN103867531A CN 103867531 A CN103867531 A CN 103867531A CN 201410096341 A CN201410096341 A CN 201410096341A CN 103867531 A CN103867531 A CN 103867531A
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- way valve
- valve
- power supply
- hydraulic power
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a hydraulic power supply providing system, which comprises an electric motor driven oil pump, a first one-way valve, a second throttle valve and a third one-way valve, wherein the oil inlet of the oil pump is communicated with an oil tank; the oil outlet of the oil pump is connected to the third one-way valve through the first one-way valve and the second throttle valve; the third one-way valve is connected to an X1 main transport oil outlet; a first throttle valve and a first overflow valve which are connected in parallel are also connected between the first one-way valve and the oil tank. The hydraulic power supply providing system disclosed by the invention can be used for providing a hydraulic power supply for a hydraulic test bed, and has the advantages of being simple in structure, convenient in operation and multifunctional.
Description
Technical field
The present invention relates to a kind of hydraulic test bench, relate in particular to the required hydraulic power supply of a kind of hydraulic test bench system is provided.
Background technique
At present, hydraulics is widely used in every field.Hydraulic element, the equipment produced all need to test, and need test such as oil cylinder needs test, oil hydraulic motor, comprise that some hydraulically powered wind power equipments also need test.The test of these hydraulic element, equipment all needs to have hydraulic power supply.But there is complex structure, use inconvenience, the defects such as function singleness in hydraulic power supply of the prior art.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of simple in structure, easy to use=hydraulic power supply provides system, the deficiency existing to overcome prior art.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of hydraulic power supply provides system, it is characterized in that: comprise electric motor driven oil pump, the first one-way valve, the second throttle valve and the 3rd one-way valve; The filler opening of described oil pump is communicated with fuel tank, and the oil outlet of described oil pump is connected to the 3rd one-way valve through the first one-way valve, the second throttle valve, and described the 3rd one-way valve is connected to the main output oil port of X1; Between described the first one-way valve and fuel tank, be also connected with first throttle valve in parallel and the first relief valve.
Described hydraulic power supply comprises that oil pump also includes the first Pilot operated check valve, X9 oil outlet, return opening, cooler and filter; Described the first one-way valve is communicated with described the first Pilot operated check valve, and described the first Pilot operated check valve is communicated with X9 oil outlet, and described return opening is communicated with fuel tank through described cooler and filter successively;
Described hydraulic power supply also includes hand oil pump, the second one-way valve, described fuel tank and is communicated with described the first Pilot operated check valve through hand oil pump, the second one-way valve.So both increase manual mode, and also can carry out pressurize by hand oil pump.
Described the 3rd one-way valve is also communicated to accumulator.
Adopt technique scheme, the present invention can provide hydraulic power supply for hydraulic test test stand, and this hydraulic power supply provides system to have advantages of simple in structure, easy to operate and function is many.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, hydraulic power supply of the present invention provides system to comprise oil pump 70, the first one-way valve 90.1, the second throttle valve 100.2, the 3rd one-way valve 90.3 and return opening 101 that motor 80 drives.
Wherein, the filler opening of oil pump 70 is communicated with fuel tank 10, and the oil outlet of oil pump 70 is connected to the 3rd one-way valve 90.3 through the first one-way valve 90.1, the second throttle valve 100.2.The 3rd one-way valve 90.3 is connected to the main output oil port of X1.Between the outlet of the first one-way valve 90.1 and fuel tank 10, be also connected with first throttle valve 100.1 in parallel and the first relief valve 110.1.The outlet of the first one-way valve 90.1 is also connected respectively to the first Pilot operated check valve 260.1, the 9th one-way valve 90.9 and pressure gauge 120, and this first Pilot operated check valve 260.1 is connected to X9 oil outlet, and the 9th one-way valve 90.9 is connected to C7 joint.
This hydraulic power supply provides system also to include hand oil pump 150, the second one-way valve 90.2.Fuel tank 10 is communicated with the first Pilot operated check valve 260.1 through hand oil pump 150, the second one-way valve 90.2.The 3rd one-way valve 90.3 is also communicated to accumulator 160.
Be exactly more than that hydraulic power supply of the present invention provides system, this portable hydraulic power source can be connected to tested hydraulic element, system or equipment by quick release coupling, and it is 350bar that pressure maximum is provided, and flow is 55L/min(low-pressure state to the maximum); Also can use as required hand pump to pressurize, maximum to 180bar, concrete method is:
First method: directly main X1 output oil port 101 connected to tested equipment, open the second throttle valve 100.2 and test.
Second method: the second throttle valve 100.2 cuts out, regulate the first relief valve 110.1 to select the pressure needing, then X9 oil outlet is connected with tested pipeline or system, actuating motor 60 uses.While testing airtight experiment, also X9 oil outlet can be connected with tested pipeline or system, use separately hand pump to carry out pressurize, while test, be up to 180bar.
By foregoing detailed description, can find out, the present invention can provide hydraulic power supply for hydraulic test test stand, and this hydraulic power supply provides system to have advantages of simple in structure, easy to operate and function is many.
But; those skilled in the art will recognize that; above-mentioned embodiment is exemplary; in order better to make those skilled in the art can understand this patent; can not be interpreted as it is the restriction to this patent protection domain; as long as any being equal to done according to spirit that this patent discloses changes or modify, all fall into the scope of this patent protection.
Claims (4)
1. hydraulic power supply provides a system, it is characterized in that: comprise electric motor driven oil pump, the first one-way valve, the second throttle valve and the 3rd one-way valve; The filler opening of described oil pump is communicated with fuel tank, and the oil outlet of described oil pump is connected to the 3rd one-way valve through the first one-way valve, the second throttle valve, and described the 3rd one-way valve is connected to the main output oil port of X1; Between described the first one-way valve and fuel tank, be also connected with first throttle valve in parallel and the first relief valve.
2. hydraulic power supply according to claim 1 provides system, it is characterized in that: also include the first Pilot operated check valve, X9 oil outlet, return opening, cooler and filter; Described the first one-way valve is communicated with described the first Pilot operated check valve, and described the first Pilot operated check valve is communicated with X9 oil outlet, and described return opening is communicated with fuel tank through described cooler and filter successively.
3. hydraulic power supply according to claim 2 provides system, it is characterized in that: also include hand oil pump, the second one-way valve, described fuel tank and be communicated with described the first Pilot operated check valve through hand oil pump, the second one-way valve.
4. hydraulic power supply according to claim 3 provides system, it is characterized in that: described the 3rd one-way valve is also communicated to accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096341.3A CN103867531A (en) | 2014-03-14 | 2014-03-14 | Hydraulic power supply providing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096341.3A CN103867531A (en) | 2014-03-14 | 2014-03-14 | Hydraulic power supply providing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103867531A true CN103867531A (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410096341.3A Pending CN103867531A (en) | 2014-03-14 | 2014-03-14 | Hydraulic power supply providing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867531A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514412A (en) * | 2016-06-15 | 2017-12-26 | 李洪明 | A kind of energy-saving hydraulic system power source and work system for batch (-type) acting |
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| JP2001241384A (en) * | 2000-02-28 | 2001-09-07 | Hitachi Constr Mach Co Ltd | Pump monitoring device for hydraulic work machine |
| CN2646688Y (en) * | 2002-12-20 | 2004-10-06 | 长沙北站科技开发服务部 | Hydraulic test bench for storage battery forklift truck |
| CN2651492Y (en) * | 2003-06-23 | 2004-10-27 | 宝钢集团上海梅山有限公司 | Hydraulic test stand |
| CN2672344Y (en) * | 2003-12-10 | 2005-01-19 | 天津市精研工程机械传动有限公司 | Liquid control throttle oil changing valve |
| RU2329414C1 (en) * | 2007-01-10 | 2008-07-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский Государственный политехнический университет" (ГОУ "СПбГПУ") | Testing stand for hydraulic machines of fluid power drive |
| CN202351032U (en) * | 2011-12-14 | 2012-07-25 | 上海天合石油工程股份有限公司 | Hydraulic test bed |
| CN102900730A (en) * | 2012-11-06 | 2013-01-30 | 哈尔滨工业大学 | Test experiment system for revolving speed and pressure property of hydraulic transformer |
| CN203384139U (en) * | 2013-06-05 | 2014-01-08 | 浙江工商职业技术学院 | Inlet speed regulating loop |
| CN203809416U (en) * | 2014-03-14 | 2014-09-03 | 上海电气液压气动有限公司 | Hydraulic power source supply system |
-
2014
- 2014-03-14 CN CN201410096341.3A patent/CN103867531A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001241384A (en) * | 2000-02-28 | 2001-09-07 | Hitachi Constr Mach Co Ltd | Pump monitoring device for hydraulic work machine |
| CN2646688Y (en) * | 2002-12-20 | 2004-10-06 | 长沙北站科技开发服务部 | Hydraulic test bench for storage battery forklift truck |
| CN2651492Y (en) * | 2003-06-23 | 2004-10-27 | 宝钢集团上海梅山有限公司 | Hydraulic test stand |
| CN2672344Y (en) * | 2003-12-10 | 2005-01-19 | 天津市精研工程机械传动有限公司 | Liquid control throttle oil changing valve |
| RU2329414C1 (en) * | 2007-01-10 | 2008-07-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский Государственный политехнический университет" (ГОУ "СПбГПУ") | Testing stand for hydraulic machines of fluid power drive |
| CN202351032U (en) * | 2011-12-14 | 2012-07-25 | 上海天合石油工程股份有限公司 | Hydraulic test bed |
| CN102900730A (en) * | 2012-11-06 | 2013-01-30 | 哈尔滨工业大学 | Test experiment system for revolving speed and pressure property of hydraulic transformer |
| CN203384139U (en) * | 2013-06-05 | 2014-01-08 | 浙江工商职业技术学院 | Inlet speed regulating loop |
| CN203809416U (en) * | 2014-03-14 | 2014-09-03 | 上海电气液压气动有限公司 | Hydraulic power source supply system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514412A (en) * | 2016-06-15 | 2017-12-26 | 李洪明 | A kind of energy-saving hydraulic system power source and work system for batch (-type) acting |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |