CN203809419U - Hydraulic motor testing system - Google Patents

Hydraulic motor testing system Download PDF

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Publication number
CN203809419U
CN203809419U CN201420117930.0U CN201420117930U CN203809419U CN 203809419 U CN203809419 U CN 203809419U CN 201420117930 U CN201420117930 U CN 201420117930U CN 203809419 U CN203809419 U CN 203809419U
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China
Prior art keywords
valve
way
communicated
directional control
hydraulic
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CN201420117930.0U
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Chinese (zh)
Inventor
付瑜
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Shanghai Electric Hydraulics and Pneumatics Co Ltd
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Shanghai Electric Hydraulics and Pneumatics Co Ltd
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Priority to CN201420117930.0U priority Critical patent/CN203809419U/en
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Abstract

The utility model discloses a hydraulic motor testing system. The hydraulic motor testing system comprises a hydraulic motor source and a motor testing unit; 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 source is connected with an a oil port of the first three-position four-way electromagnetic directional valve; a c oil port of the first three-position four-way electromagnetic directional valve is communicated with an a oil port of the second three-position four-way electromagnetic directional valve; a c oil port of the second three-position four-way electromagnetic directional valve is communicated with an 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 connector; the third hydraulic one-way is connected with an X5 oil port. The hydraulic motor testing system has the advantages of being especially applicable to testing of hydraulic motors, convenient to test and high in testing efficiency.

Description

Oil hydraulic motor test system
Technical field
The utility model relates to a kind of hydraulic test bench, relates 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.
Model utility content
Technical problem to be solved in the utility model 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 utility model adopts following technological scheme:
An oil hydraulic motor test system, is characterized in that: comprise hydraulic power supply, motor detecting unit;
Wherein, motor detecting unit comprises the first 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 utility model can be specifically designed to testing hydraulic motor, has advantages of that convenient test, testing efficiency are high.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, hydraulic jack test system of the present utility model comprises hydraulic power supply 100, motor detecting unit 200.
Wherein, motor detecting unit 200 comprises the first 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.
Hydraulic power supply 100 comprises oil pump 70, the first one-way valve 90.1, the second throttle valve 100.2 and the 3rd one-way valve 90.3 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 a hydraulic fluid port of the first 3-position 4-way solenoid directional control valve 141; 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.
Hydraulic power supply 100 also includes 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.
Return opening 101 is communicated with fuel tank 10 through cooler 240, filter 80.
Be exactly more than oil hydraulic motor test system of the present utility model, 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, by revolution instrument, obtains concrete revolution, 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 utility model 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; so long as according to spirit that this patent discloses do be anyly equal to change 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 first 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.
CN201420117930.0U 2014-03-14 2014-03-14 Hydraulic motor testing system Active CN203809419U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420117930.0U CN203809419U (en) 2014-03-14 2014-03-14 Hydraulic motor testing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420117930.0U CN203809419U (en) 2014-03-14 2014-03-14 Hydraulic motor testing system

Publications (1)

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CN203809419U true CN203809419U (en) 2014-09-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103867530A (en) * 2014-03-14 2014-06-18 上海电气液压气动有限公司 Testing system for hydraulic motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103867530A (en) * 2014-03-14 2014-06-18 上海电气液压气动有限公司 Testing system for hydraulic motor

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