CN214837527U - Hydraulic system of hydraulic motor test stand - Google Patents
Hydraulic system of hydraulic motor test stand Download PDFInfo
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- CN214837527U CN214837527U CN202121045811.5U CN202121045811U CN214837527U CN 214837527 U CN214837527 U CN 214837527U CN 202121045811 U CN202121045811 U CN 202121045811U CN 214837527 U CN214837527 U CN 214837527U
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 239000002828 fuel tank Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 64
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
液压马达试车台的液压系统，涉及测试机械的领域，包括被测马达、工作马达、扭矩测速仪、动力油路和负载油路；动力油路包括三位四通换向阀，三位四通换向阀的两个工作油口均连接调速阀，两个调速阀与被测马达的两个油口连接，两个调速阀还连接调压阀，两个调压阀、三位四通换向阀的回油口并联后与油箱连接；工作马达的一个工作油口、第一单向阀的进油口并联后与第二单向阀的出油口相连；工作马达的另一个工作油口、第三单向阀的进油口并联后与第四单向阀的出油口相连，第二单向阀和第四单向阀的进油口与油箱相连；第一单向阀与第三单向阀的出油口并联后连接第一溢流阀，第一溢流阀经散热器与油箱连接。本实用新型用于检测液压马达的性能。
The hydraulic system of the hydraulic motor test bench involves the field of testing machinery, including the motor under test, the working motor, the torque tachometer, the power oil circuit and the load oil circuit; the power oil circuit includes a three-position four-way reversing valve, a three-position four-way The two working oil ports of the reversing valve are connected to the speed regulating valve, the two speed regulating valves are connected to the two oil ports of the motor under test, and the two speed regulating valves are also connected to the pressure regulating valve. The oil return port of the four-way reversing valve is connected in parallel with the oil tank; a working oil port of the working motor and the oil inlet of the first check valve are connected in parallel with the oil outlet of the second check valve; the other port of the working motor A working oil port and the oil inlet of the third check valve are connected in parallel with the oil outlet of the fourth check valve, and the oil inlets of the second check valve and the fourth check valve are connected to the oil tank; The direction valve and the oil outlet of the third one-way valve are connected in parallel with the first relief valve, and the first relief valve is connected with the oil tank through the radiator. The utility model is used for detecting the performance of the hydraulic motor.
Description
Technical Field
The utility model relates to a test machinery's field especially relates to the hydraulic system who tests hydraulic motor.
Background
At present, hydraulic technology has wide application in various fields. The produced hydraulic equipment, such as a hydraulic motor, needs to be tested to detect whether the design requirements are met or not and whether faults exist or not. However, at present, a test system capable of conveniently testing the hydraulic motor is lacking. Therefore, it is necessary to develop a hydraulic motor test system which can be easily tested and has high test efficiency.
Disclosure of Invention
The utility model aims at overcoming prior art's not enough, provide a hydraulic system of hydraulic motor test bench for detect hydraulic motor's performance.
The purpose of the utility model is realized like this: the hydraulic system of the hydraulic motor test bed comprises a tested motor, a working motor, a torque velocimeter, a power oil way and a load oil way; the tested motor, the torque velocimeter and the working motor are connected in sequence; the power oil circuit comprises a three-position four-way reversing valve, wherein an oil inlet of the three-position four-way reversing valve is sequentially connected with a one-way valve, an oil pump and an oil tank, two working oil ports of the three-position four-way reversing valve are connected with speed regulating valves, the two speed regulating valves are respectively correspondingly connected with two oil ports of a motor to be tested, the two speed regulating valves are also respectively connected with pressure regulating valves, and oil return ports of the two pressure regulating valves and the three-position four-way reversing valve are connected with the oil tank after being connected in parallel; the load oil way comprises a first check valve, a second check valve, a third check valve and a fourth check valve, a working oil port of the working motor and an oil inlet of the first check valve are connected in parallel and then connected with an oil outlet of the second check valve, and an oil inlet of the second check valve is connected with an oil tank; the other working oil port of the working motor and the oil inlet of the third one-way valve are connected in parallel and then connected with the oil outlet of the fourth one-way valve, and the oil inlet of the fourth one-way valve is connected with the oil tank; the oil outlet of the first one-way valve and the oil outlet of the third one-way valve are connected in parallel and then connected with a first overflow valve, the first overflow valve is connected with the oil inlet of the radiator, and the oil outlet of the radiator is connected with the oil tank.
The utility model discloses a tribit four-way reversing valve is tribit four-way manual reversing valve.
The utility model discloses a work motor's draining mouth links to each other with the oil tank.
The utility model discloses a second overflow valve is still connected to first overflow valve, and the second overflow valve is connected with the oil tank.
The utility model discloses can simulate hydraulic motor's operating condition return circuit, can directly measure each item technical parameter such as pressure, flow, the moment of torsion by the test hydraulic motor during actual operation, need not change the test requirement that the pipeline can realize hydraulic motor just reversing, reduce operating personnel's maloperation, improve work efficiency, reduce the leakage and the waste of hydraulic oil.
Drawings
Fig. 1 is a hydraulic schematic diagram of the present invention.
In the figure, a power oil circuit 1, a pressure regulating valve 2, a speed regulating valve 3, a three-position four-way reversing valve 4, a one-way valve 5, an oil pump 6, an oil tank 7, a tested motor 8, a torque velocimeter 9, a working motor 10, a third one-way valve 11, a first one-way valve 12, a load oil circuit 13, a first overflow valve 14, a second overflow valve 15, a radiator 16, a fourth one-way valve 17 and a second one-way valve 18 are arranged.
Detailed Description
As shown in fig. 1, the hydraulic system of the hydraulic motor test bed comprises a tested motor 8, a working motor 10, a power oil path 1, a torque velocimeter 9 and a load oil path 13.
The motor 8 to be measured, the torque velocimeter 9 and the working motor 10 are connected in sequence.
The power oil path 1 comprises a three-position four-way reversing valve 4, and the three-position four-way reversing valve 4 is a three-position four-way manual reversing valve. An oil inlet of the three-position four-way reversing valve 4 is sequentially connected with a one-way valve 5, an oil pump 6 and an oil tank 7, two working oil ports of the three-position four-way reversing valve 4 are connected with the speed regulating valves 3, the two speed regulating valves 3 are correspondingly connected with two oil ports of the tested motor 8 respectively, the two speed regulating valves 3 are also connected with the pressure regulating valve 2 respectively, and oil return ports of the two pressure regulating valves 2 and the three-position four-way reversing valve 4 are connected with the oil tank 7 after being connected in parallel.
The load oil circuit 13 comprises a first check valve 12, a second check valve 18, a third check valve 11 and a fourth check valve 17, an oil drain port of the working motor 10 is connected with the oil tank 7, a working oil port of the working motor 10 and an oil inlet of the first check valve 12 are connected in parallel and then connected with an oil outlet of the second check valve 18, and an oil inlet of the second check valve 18 is connected with the oil tank 7. The other working oil port of the working motor 10 and the oil inlet of the third check valve 11 are connected in parallel and then connected with the oil outlet of the fourth check valve 17, and the oil inlet of the fourth check valve 17 is connected with the oil tank 7. An oil outlet of the first check valve 12 and an oil outlet of the third check valve 11 are connected in parallel and then connected with a first overflow valve 14, the first overflow valve 14 is connected with an oil inlet of a radiator 16, and an oil outlet of the radiator 16 is connected with the oil tank 7. First overflow valve 14 is also connected to second overflow valve 15, and second overflow valve 15 is connected to tank 7.
The power oil circuit 1 provides power for the motor 8 to be tested, and the motor 8 to be tested rotates forwards and backwards through the three-position four-way reversing valve 4. During testing, the current of the overflow valve is continuously changed, so that the pressure of the overflow valve is changed, and the loading of the working motor is realized. Obtain specific revolution through the moment of torsion tachymeter, use the graduated flask to put in its leakage oil mouth department simultaneously, test its leakage rate, pressure oil gets back to the oil tank after the radiator cooling. The utility model discloses can be used for testing hydraulic motor specially, have the test convenience, advantage that efficiency of software testing is high.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121045811.5U CN214837527U (en) | 2021-05-17 | 2021-05-17 | Hydraulic system of hydraulic motor test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121045811.5U CN214837527U (en) | 2021-05-17 | 2021-05-17 | Hydraulic system of hydraulic motor test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837527U true CN214837527U (en) | 2021-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121045811.5U Active CN214837527U (en) | 2021-05-17 | 2021-05-17 | Hydraulic system of hydraulic motor test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214837527U (en) |
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2021
- 2021-05-17 CN CN202121045811.5U patent/CN214837527U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 225009 No.458 Wenchang West Road, Hanjiang District, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Vocational University (Yangzhou Open University) Country or region after: China Address before: 225009 No.458 Wenchang West Road, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: Yangzhou Vocational University (Yangzhou Radio and TV University) Country or region before: China |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240603 Address after: 833,421 Ulan Buhu Village, Dalet Town, Bole City, Bortala Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: BORTALA MONGOL AUTONOMOUS PREFECTURE XINGWANG TECHNOLOGY CO.,LTD. Country or region after: China Address before: 225009 No.458 Wenchang West Road, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: Yangzhou Vocational University (Yangzhou Open University) Country or region before: China |
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| TR01 | Transfer of patent right |