CN103867530A - Testing system for hydraulic motor - Google Patents
Testing system for hydraulic motor Download PDFInfo
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- CN103867530A CN103867530A CN201410096253.3A CN201410096253A CN103867530A CN 103867530 A CN103867530 A CN 103867530A CN 201410096253 A CN201410096253 A CN 201410096253A CN 103867530 A CN103867530 A CN 103867530A
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Abstract
The invention discloses a testing system for a hydraulic motor. The testing system for the hydraulic motor comprises a hydraulic power supply and a motor testing unit, wherein the motor testing unit comprises a first three-position four-way electromagnetic directional valve, a second three-position four-way electromagnetic directional valve, a second overflow valve and a third overflow valve; the hydraulic power supply is connected to the port a of the first three-position four-way electromagnetic directional valve; the port c of the first three-position four-way electromagnetic directional valve is communicated with the port a of the second three-position four-way electromagnetic directional valve; the port c of the second three-position four-way electromagnetic directional valve is communicated with the inlet of the second overflow valve, a second hydraulic control one-way valve and a third hydraulic control one-way valve; the second hydraulic control one-way valve is connected with a C6 joint; the third hydraulic control one-way valve is connected with an X5 port. The testing system disclosed by the invention can be specially used for testing the hydraulic motor, and has the advantages that testing is convenient, and the testing efficiency is high.
Description
Technical field
The present invention relates to a kind of hydraulic test bench, relate in particular to a kind of oil hydraulic motor test system.
Background technique
At present, hydraulics is widely used in every field.Whether the hydraulic equipment of producing, as oil hydraulic motor needs test, meet designing requirement and whether have the problems such as fault to detect.But at present, lack the test system that can facilitate testing hydraulic motor.Therefore, have must develop a kind ofly can conveniently test, oil hydraulic motor test system that testing efficiency is high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of hydraulic test motor detecting 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 oil hydraulic motor test system, is characterized in that: comprise hydraulic power supply, motor detecting unit;
Wherein, motor detecting unit comprises the one one 3-position 4-way solenoid directional control valve, the second 3-position 4-way solenoid directional control valve, the second relief valve, the 3rd relief valve;
Described hydraulic power supply is connected to a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; The c hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with a hydraulic fluid port of the second 3-position 4-way solenoid directional control valve, the c hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import, the second Pilot operated check valve and the 3rd Pilot operated check valve of the second relief valve, described the second Pilot operated check valve connects C6 joint, and described the 3rd Pilot operated check valve connects X5 hydraulic fluid port;
The b hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated to fuel tank, the d hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with the b hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve, the d hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import, the 4th one-way valve and the 5th Pilot operated check valve of the 3rd relief valve, described the 4th one-way valve connects C5 joint, and described the 5th Pilot operated check valve connects X6 joint;
The outlet of the outlet of described the second relief valve and described the 3rd relief valve is communicated to fuel tank again.
Described hydraulic power supply comprises 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 a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; 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.
Described the 3rd one-way valve is also communicated to accumulator.
Adopt technique scheme, the present invention can be specifically designed to testing hydraulic motor, has advantages of that convenient test, testing efficiency are high.
Brief description of the drawings
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 jack test system of the present invention comprises hydraulic power supply 100, motor detecting unit 200.
Wherein, motor detecting unit 200 comprises the one one 3-position 4-way solenoid directional control valve 141, the second 3-position 4-way solenoid directional control valve 140, the second relief valve 110.2, the 3rd relief valve 110.3.
The c hydraulic fluid port of the first 3-position 4-way solenoid directional control valve 141 is communicated with a hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140, and the c hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140 is communicated with the import of the second relief valve 110.2, the second Pilot operated check valve 260.2, the 3rd Pilot operated check valve 260.3.The second Pilot operated check valve 260.2 is communicated with C6 joint, and the 3rd Pilot operated check valve 260.3 is communicated with X5 hydraulic fluid port.The d hydraulic fluid port of the first 3-position 4-way solenoid directional control valve 141 is communicated with the b hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140, the d hydraulic fluid port of the second 3-position 4-way solenoid directional control valve 140 is communicated with import, the 4th one-way valve 90.4 and the 5th Pilot operated check valve 260.5 of the 3rd relief valve 110.3, the 4th one-way valve 90.4 is communicated with C5 joint, and the 5th Pilot operated check valve 260.5 is communicated with X6 hydraulic fluid port.
The b hydraulic fluid port of the first 3-position 4-way solenoid directional control valve 141 is communicated to fuel tank 10 through cooler 240, filter 80.
The outlet of the outlet of the second relief valve 110.2 and the 3rd relief valve 110.3 is communicated to fuel tank 10 again.
Be exactly more than oil hydraulic motor test system of the present invention, its working method is as follows:
This oil hydraulic motor test system can be tested low torque motor and the load of maximum 350bar is provided, and flow is 55L/min(low-pressure state to the maximum); Can test out the real-time pressure situation of motor, concrete test method is as follows:
Open the second throttle valve 100.2, the oil inlet and outlet of tested motor is connected respectively to X5 hydraulic fluid port and X6 hydraulic fluid port, and the upper revolution instrument of motor connection, select suitable pressure transducer to be connected to respectively C5 joint and C6 joint.Actuating motor 60, changes pressure by changing the first relief valve 110.1, obtains concrete revolution by revolution instrument, uses measuring cup to be placed on it simultaneously and leaks oil port, tests its leakage rate.
By foregoing detailed description, can find out, the present invention can be specifically designed to testing hydraulic motor, has advantages of that convenient test, testing efficiency are high.
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 (5)
1. an oil hydraulic motor test system, is characterized in that: comprise hydraulic power supply, motor detecting unit;
Wherein, motor detecting unit comprises the one one 3-position 4-way solenoid directional control valve, the second 3-position 4-way solenoid directional control valve, the second relief valve, the 3rd relief valve;
Described hydraulic power supply is connected to a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; The c hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with a hydraulic fluid port of the second 3-position 4-way solenoid directional control valve, the c hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import, the second Pilot operated check valve and the 3rd Pilot operated check valve of the second relief valve, described the second Pilot operated check valve connects C6 joint, and described the 3rd Pilot operated check valve connects X5 hydraulic fluid port;
The b hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated to fuel tank, the d hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve is communicated with the b hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve, the d hydraulic fluid port of described the second 3-position 4-way solenoid directional control valve is communicated with import, the 4th one-way valve and the 5th Pilot operated check valve of the 3rd relief valve, described the 4th one-way valve connects C5 joint, and described the 5th Pilot operated check valve connects X6 joint;
The outlet of the outlet of described the second relief valve and described the 3rd relief valve is communicated to fuel tank again.
2. oil hydraulic motor test system according to claim 1, is characterized in that: described hydraulic power supply comprises 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 a hydraulic fluid port of described the first 3-position 4-way solenoid directional control valve; Between described the first one-way valve and fuel tank, be also connected with first throttle valve in parallel and the first relief valve.
3. oil hydraulic motor test system according to claim 2, is characterized in that: 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.
4. oil hydraulic motor test system according to claim 3, is characterized in that: 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.
5. oil hydraulic motor test system according to claim 4, is characterized in that: described the 3rd one-way valve is also communicated to accumulator.
Priority Applications (1)
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CN201410096253.3A CN103867530A (en) | 2014-03-14 | 2014-03-14 | Testing system for hydraulic motor |
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CN201410096253.3A CN103867530A (en) | 2014-03-14 | 2014-03-14 | Testing system for hydraulic motor |
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CN201410096253.3A Pending CN103867530A (en) | 2014-03-14 | 2014-03-14 | Testing system for hydraulic motor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314921A (en) * | 2014-07-09 | 2015-01-28 | 镇江四联机电科技有限公司 | Multifunctional hydraulic servovalve testing device |
CN110796916A (en) * | 2019-12-04 | 2020-02-14 | 天津格特斯检测设备技术开发有限公司 | Tail anchor simulation training system for warships |
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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 |
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 |
CN202402393U (en) * | 2011-11-11 | 2012-08-29 | 宁波保税区天扬机械电子科技有限公司 | Intelligent hydraulic test bench |
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 |
CN203809419U (en) * | 2014-03-14 | 2014-09-03 | 上海电气液压气动有限公司 | Hydraulic motor testing system |
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2014
- 2014-03-14 CN CN201410096253.3A patent/CN103867530A/en active Pending
Patent Citations (8)
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 |
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 |
CN202402393U (en) * | 2011-11-11 | 2012-08-29 | 宁波保税区天扬机械电子科技有限公司 | Intelligent hydraulic test bench |
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 |
CN203809419U (en) * | 2014-03-14 | 2014-09-03 | 上海电气液压气动有限公司 | Hydraulic motor testing system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314921A (en) * | 2014-07-09 | 2015-01-28 | 镇江四联机电科技有限公司 | Multifunctional hydraulic servovalve testing device |
CN110796916A (en) * | 2019-12-04 | 2020-02-14 | 天津格特斯检测设备技术开发有限公司 | Tail anchor simulation training system for warships |
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Application publication date: 20140618 |