CN111043105A - High-power hydraulic comprehensive test bed and test method thereof - Google Patents
High-power hydraulic comprehensive test bed and test method thereof Download PDFInfo
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- CN111043105A CN111043105A CN201911278735.XA CN201911278735A CN111043105A CN 111043105 A CN111043105 A CN 111043105A CN 201911278735 A CN201911278735 A CN 201911278735A CN 111043105 A CN111043105 A CN 111043105A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a high-power hydraulic comprehensive test bed and a test method thereof, and the high-power hydraulic comprehensive test bed comprises a test foundation system, a first test system and a second test system, wherein the first test system is a pump test system, the second test system is a valve test system, a cylinder test system and a valve test system, and the first test system and the second test system are respectively connected with the test foundation system through hydraulic oil pipelines. The invention relates to a high-power hydraulic comprehensive test bed and a test method thereof, which can complete tests on parts such as pumps, valves, cylinders, valves and the like by adopting the same basic platform; by adopting a split and separated layout, the pressure value, the pressure drop value, the leakage amount, the flow and other test parameters can be directly and simply measured; the test bed has the advantages of low manufacturing cost, easy processing and manufacturing, convenient maintenance and convenient and rapid use by adopting a simple and direct one-machine-multi-purpose design mode.
Description
Technical Field
The invention belongs to the technical test field of aerospace high-power hydraulic systems, and particularly relates to a high-power hydraulic comprehensive test bed and a test method for measuring test parameters of valve parts such as cylinders of pumps and valves by using the test bed.
Background
When measuring large-flow and large-pressure test pieces such as pumps, valves, cylinders and valves, the test pieces belong to an accessory system and cannot reach the level of professional research and development, and are produced in the edge accessory mode in most companies, so that the integral detection and measurement test equipment is lack or single in structure, single in function, controlled by cost, and urgently needed for research and development of multifunctional comprehensive test beds. Therefore, a set of novel modern high-precision control high-power hydraulic integrated system test bed with low manufacturing cost, easy processing and manufacturing, convenient maintenance and convenient and quick use needs to be researched and designed.
Disclosure of Invention
In view of this, the present invention aims to provide a high-power hydraulic comprehensive test bed and a test method thereof, so as to measure the pressure value, the pressure drop value, the leakage amount, the flow rate and other test parameters of the parts such as pumps, valves, cylinders, valves and the like more conveniently and rapidly, and improve the measurement accuracy.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a high-power hydraulic pressure integrated test platform, includes experimental basic system, first test system and second test system, first test system is pump class test system, second test system is valve class, cylinder body class, valve class test system, first test system and second test system are connected with experimental basic system through hydraulic oil pipeline respectively.
Further, experimental basic system includes the oil tank, air cleaner, thermometer and temperature regulator are installed at the oil tank top, hydraulic pressure oil pipe way includes oil inlet, first oil return mouth and second oil return mouth, the oil tank top is connected with oil inlet, first oil return mouth and second oil return mouth respectively, one of the oil inlet of hydraulic pressure oil pipe way is served and is equipped with first filter, first manometer and gear formula oil supplementing pump in proper order, gear formula oil supplementing pump is by the drive of third motor, one of the first oil return mouth of hydraulic pressure oil pipe way is served and is equipped with fourth manometer and oil supplementing overflow valve, one of the second oil return mouth of hydraulic pressure oil pipe way is served and is equipped with second filter and second relief valve.
Further, the first test system comprises a tested pump, a tachometer is connected to the tested pump, the tested pump is driven by a first motor, the tested pump is connected with a hydraulic oil pipeline, a first check valve and a first check valve are arranged on a hydraulic oil pipeline connected in series with the tested pump, a second check valve, a standby pump and a fourth check valve are arranged on the hydraulic oil pipeline connected in parallel with the tested pump, the standby pump is driven by a second motor, a second pressure gauge, an overflow loading valve, a first safety valve and a second small reversing valve are further arranged on the hydraulic oil pipeline, the first safety valve is connected in parallel with the hydraulic oil pipeline where the overflow loading valve is located, the hydraulic oil pipeline where the first safety valve is located is communicated with a second oil return port, the hydraulic oil pipeline where the second small reversing valve is located is connected in parallel with the hydraulic oil pipeline where the overflow loading valve is located, and a second check valve and a hydraulic oil pipeline connected in series with the overflow loading valve are arranged on the hydraulic oil pipeline, The hydraulic oil pipeline communicated with the hydraulic oil pipeline where the pressure regulating valve is located is also provided with a first small reversing valve.
Furthermore, the second test system comprises a tested part, an oil inlet and an oil outlet are formed in the tested part, the oil inlet and the oil outlet are respectively connected with a first quick connector and a second quick connector on a hydraulic oil pipeline, a third pressure gauge is arranged on the hydraulic oil pipeline where the first quick connector is located, a second pressure gauge is arranged on the hydraulic oil pipeline where the second quick connector is located, a first large reversing valve is arranged on the hydraulic oil pipeline where the first quick connector is located and the hydraulic oil pipeline where the second quick connector is located, a third stop valve and a fifth stop valve are arranged on the hydraulic oil pipeline communicated with the hydraulic oil pipeline where the first quick connector is located, the hydraulic oil pipeline where the third stop valve is located is communicated with a pressure oil pipeline where the flowmeter is located, and the hydraulic oil pipeline where the fifth stop valve is located is communicated with the second oil return port.
Furthermore, a high-level liquid level detector is arranged at the top in the oil tank, and a low-level liquid level detector is arranged at the bottom.
The invention also aims to provide a test method for testing parts such as pumps, valves, cylinders and valves by adopting the high-power hydraulic comprehensive test bed, which comprises the following steps:
a. the first test system is used for testing the parameter values of the rotating speed, the flow and the pressure of the pump parts, firstly, the third motor is opened to drive the gear type oil supplementing pump, the fourth stop valve is closed, the pressure values in front of and behind the gear type oil supplementing pump are measured through the first pressure gauge and the fourth pressure gauge, and redundant hydraulic oil flows back to the oil tank through the oil supplementing overflow valve; turning on a first motor to drive a pump to be tested to rotate, and measuring the numerical value of the rotating speed through a tachometer; closing the second small reversing valve, adjusting the overflow loading valve, reading the pressure value of the pump to be tested from the second pressure gauge, ensuring the safe pressure by the first safety valve, and refluxing the hydraulic oil exceeding the safe pressure to the oil tank through the first safety valve; opening a second small reversing valve, opening a second stop valve, closing a third stop valve, closing a fifth stop valve, closing a first small reversing valve, measuring a flow value by a flowmeter after hydraulic oil passes through a second large reversing valve, and finally flowing back to the oil tank through a second filter and a second full valve;
b. the second test system is used for measuring the flow, pressure and leakage parameter values of parts such as valves, cylinders and valves; firstly, opening a third motor to drive a gear type oil supplementing pump to rotate, opening a fourth stop valve, closing a first stop valve, then opening a second motor to drive a stock pump to rotate, opening a second small reversing valve, closing a second stop valve, closing a third stop valve, opening a fifth stop valve, and enabling hydraulic oil to reach a second quick joint and a first quick joint through a first large reversing valve; an oil inlet and an oil outlet of the tested part are respectively connected with a second quick coupling and a first quick coupling, a front pressure value and a rear pressure value are read through a third pressure gauge and a second pressure gauge, and a pressure drop value is calculated; and closing the fifth stop valve, opening the second stop valve, closing the third stop valve, closing the first small reversing valve, closing the second large reversing valve, adjusting the pressure regulating valve, detecting whether the part to be detected leaks, reading a pressure value through the second pressure gauge and the third pressure gauge, continuing to open the second large reversing valve, and measuring a flow value of the hydraulic oil through the flowmeter.
Compared with the prior art, the high-power hydraulic comprehensive test bed and the test method thereof have the following advantages:
firstly, the same basic platform is adopted, and tests of parts such as pumps, valves, cylinders, valves and the like can be completed;
secondly, the split and split type layout is adopted, so that the pressure value, the pressure drop value, the leakage amount, the flow and other test parameters can be directly and simply measured;
thirdly, a simple and direct one-machine-multipurpose design mode is adopted, so that the test bed is low in manufacturing cost, easy to machine and manufacture, convenient to maintain and convenient and fast to use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the principle of a high-power hydraulic comprehensive test bed and a test method thereof according to the present invention;
FIG. 2 is a schematic diagram of a high-power hydraulic comprehensive test bed and a test method thereof according to the present invention.
Description of reference numerals:
1. a test base system; 2. a first test system; 3. a second test system; 4. a first filter; 5. a temperature regulator; 6. a first pressure gauge; 7. a gear type oil replenishing pump; 8. a first motor; 9. a first shut-off valve; 10. a tachometer; 11. a first check valve; 12. a second pressure gauge; 13. An overflow loading valve; 14. a second stop valve; 15. a third stop valve; 16. a second pressure gauge; 17. a third pressure gauge; 18. a first large reversing valve; 19. a second large reversing valve; 20. a flow meter; 21. a pressure regulating valve; 22. a first small directional control valve; 23. a second small directional control valve; 24. a first safety valve; 25. a second one-way valve; 26. a stock pump; 27. a second motor; 28. a fourth stop valve; 29. a fourth pressure gauge; 30. a third motor; 31. an oil-supplementing overflow valve; 32. a second filter; 33. a second relief valve; 34. a thermometer; 35. an air filter; 36. an oil tank; 37. a high level liquid level detector; 38. a low level liquid level detector; 39. a fifth stop valve; 40. a pump to be tested; 41. a first quick coupling; 42. and a second quick coupling.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
A high-power hydraulic comprehensive test bed is shown in figure 1 and comprises a test base system 1, a first test system 2 and a second test system 3, wherein the first test system 2 is a pump test system, the second test system 3 is a valve test system, a cylinder test system and a valve test system, and the first test system 2 and the second test system 3 are respectively connected with the test base system 1 through hydraulic oil pipelines.
As shown in fig. 2, the test base system 1 comprises an oil tank 36, an air filter 35, a thermometer 34 and a temperature regulator 5 are mounted on the top of the oil tank 36, a high level liquid level detector 37 is arranged on the top of the oil tank 36, and a low level liquid level detector 38 is arranged on the bottom of the oil tank; the hydraulic oil pipeline comprises an oil inlet, a first oil return port and a second oil return port, the top of the oil tank 36 is respectively connected with the oil inlet, the first oil return port and the second oil return port, one end of the oil inlet of the hydraulic oil pipeline is sequentially provided with a first filter 4, a first pressure gauge 6 and a gear type oil supplementing pump 7, the gear type oil supplementing pump 7 is driven by a third motor 30, one end of the first oil return port of the hydraulic oil pipeline is provided with a fourth pressure gauge 29 and an oil supplementing overflow valve 31, and one end of the second oil return port of the hydraulic oil pipeline is provided with a second filter 32 and a second safety valve 33.
As shown in fig. 2, the first test testing system 2 includes a tested pump 40, a tachometer 10 is connected to the tested pump 40, the tested pump 40 is driven by a first motor 8, the tested pump 40 is connected to a hydraulic oil pipeline, a first check valve 9 and a first check valve 11 are arranged on the hydraulic oil pipeline connected in series with the tested pump 40, a second check valve 25, a standing pump 26 and a fourth check valve 28 are arranged on the hydraulic oil pipeline connected in parallel with the tested pump 40, the standing pump 26 is driven by a second motor 27, a second pressure gauge 12, an overflow loading valve 13, a first safety valve 24 and a second small reversing valve 23 are further arranged on the hydraulic oil pipeline, the first safety valve 24 is connected in parallel with the hydraulic oil pipeline where the overflow loading valve 13 is located, the hydraulic oil pipeline where the first safety valve 24 is located is communicated with a second oil return port, the hydraulic oil pipeline where the second small reversing valve 23 is located is connected in parallel with the hydraulic oil pipeline where the overflow loading valve 13 is located, a second stop valve 14, a second big reversing valve 19, a flowmeter 20 and a pressure regulating valve 21 are arranged on a hydraulic oil pipeline connected in series with the overflow loading valve 13, and a first small reversing valve 22 is also arranged on the hydraulic oil pipeline communicated with the hydraulic oil pipeline where the pressure regulating valve 21 is arranged.
As shown in fig. 2, the second test testing system 3 includes a tested part, an oil inlet and an oil outlet are provided on the tested part, the oil inlet and the oil outlet are respectively connected to a first quick coupling 41 and a second quick coupling 42 on a hydraulic oil pipeline, a third pressure gauge 17 is provided on the hydraulic oil pipeline where the first quick coupling 41 is located, a second pressure gauge 16 is provided on the hydraulic oil pipeline where the second quick coupling 42 is located, a first large reversing valve 18 is provided on the hydraulic oil pipeline where the first quick coupling 41 is located and the hydraulic oil pipeline where the second quick coupling 42 is located, a third stop valve 15 and a fifth stop valve 39 are provided on the hydraulic oil pipeline communicated with the hydraulic oil pipeline where the first quick coupling 41 is located, the hydraulic oil pipeline where the third stop valve 15 is located is communicated with a hydraulic oil pipeline where the flow meter 20 is located, and the hydraulic oil pipeline where the fifth stop valve 39 is located is communicated with a second oil return port.
The test method adopting the high-power hydraulic comprehensive test bed comprises the following steps:
a. the first test system 2 is used for testing the parameter values of the rotating speed, the flow and the pressure of pump parts, firstly, a third motor 30 is opened to drive a gear type oil supplementing pump 7 to rotate, a fourth stop valve 28 is closed, the pressure values in front of and behind the gear type oil supplementing pump 7 are measured through a first pressure gauge 6 and a fourth pressure gauge 29, and redundant hydraulic oil flows back to an oil tank 36 through an oil supplementing overflow valve 31; turning on the first motor 8 to drive the tested pump 40 to rotate, and measuring the numerical value of the rotating speed through the tachometer 10; closing the second small reversing valve 23, adjusting the overflow loading valve 13, reading the pressure value of the tested pump 40 from the second pressure gauge 12, ensuring the safety pressure by the first safety valve 24, and refluxing the hydraulic oil exceeding the safety pressure to the oil tank 36 through the first safety valve 24; then the second small reversing valve 23 is opened, the second stop valve 14 is opened, the third stop valve 15 is closed, the fifth stop valve 39 is closed, the first small reversing valve 22 is closed, the flow value of the hydraulic oil is measured by the flowmeter 20 after the hydraulic oil passes through the second large reversing valve 19, and finally the hydraulic oil flows back to the oil tank 36 through the second filter 32 and the second full valve 33;
b. the second test system 3 is used for measuring the flow, pressure and leakage parameter values of parts such as valves, cylinders and valves; firstly, the third motor 30 is opened to drive the gear type oil supplementing pump 7 to rotate, the fourth stop valve 28 is opened, the first stop valve 9 is closed, then the second motor 27 is opened to drive the stock pump 26 to rotate, the second small reversing valve 23 is opened, the second stop valve 14 is closed, the third stop valve 15 is closed, the fifth stop valve 39 is opened, and the hydraulic oil reaches the second quick joint 42 and the first quick joint 41 through the first large reversing valve 18; an oil inlet and an oil outlet of a tested part are respectively connected with a second quick coupling 42 and a first quick coupling 41, a front pressure value and a rear pressure value are read through a third pressure gauge 17 and a second pressure gauge 16, and a pressure drop value is calculated; and closing the fifth stop valve 39, opening the second stop valve 14, closing the third stop valve 15, closing the first small reversing valve 22, closing the second large reversing valve 19, adjusting the pressure regulating valve 21, detecting whether the part to be detected leaks, reading a pressure value through the second pressure gauge 16 and the third pressure gauge 17, continuing to open the second large reversing valve 19, and measuring a flow value of the hydraulic oil through the flowmeter 20.
The invention relates to a high-power hydraulic comprehensive test bed and a test method thereof, which can complete tests on parts such as pumps, valves, cylinders, valves and the like by adopting the same basic platform; by adopting a split and separated layout, the pressure value, the pressure drop value, the leakage amount, the flow and other test parameters can be directly and simply measured; the test bench has the advantages that a simple and direct one-machine-multipurpose design mode is adopted, so that the test bench is low in manufacturing cost, easy to machine and manufacture, convenient to maintain and convenient and fast to use, and when other measured values are needed, the stop valve, the motor, the reversing valve and the like can be combined as needed to measure other numerical values.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A high-power hydraulic comprehensive test bed is characterized in that: including experimental basic system (1), first test system (2) and second test system (3), first test system (2) is pump class test system, second test system (3) is valve class, cylinder body class, valve class test system, first test system (2) and second test system (3) are connected with experimental basic system (1) through hydraulic oil pipeline respectively.
2. The high-power hydraulic comprehensive test bed according to claim 1, characterized in that: the test base system (1) comprises an oil tank (36), an air filter (35), a thermometer (34) and a temperature regulator (5) are installed at the top of the oil tank (36), the hydraulic oil pipeline comprises an oil inlet, a first oil return port and a second oil return port, the top of the oil tank (36) is respectively connected with the oil inlet, the first oil return port and the second oil return port, one end of the oil inlet of the hydraulic oil pipeline is sequentially provided with a first filter (4), a first pressure gauge (6) and a gear type oil supplementing pump (7), the gear type oil supplementing pump (7) is driven by a third motor (30), one end of the first oil return port of the hydraulic oil pipeline is provided with a fourth pressure gauge (29) and an oil supplementing overflow valve (31), and one end of the second oil return port of the hydraulic oil pipeline is provided with a second filter (32) and a second safety valve (33).
3. The high-power hydraulic comprehensive test bed according to claim 2, characterized in that: the first test testing system (2) comprises a tested pump (40), a tachometer (10) is connected onto the tested pump (40), the tested pump (40) is driven by a first motor (8), the tested pump (40) is connected with a hydraulic oil pipeline, a first stop valve (9) and a first one-way valve (11) are arranged on the hydraulic oil pipeline connected with the tested pump (40) in series, a second one-way valve (25), a stock pump (26) and a fourth stop valve (28) are arranged on the hydraulic oil pipeline connected with the tested pump (40) in parallel, the stock pump (26) is driven by a second motor (27), a second pressure gauge (12), an overflow loading valve (13), a first safety valve (24) and a second small reversing valve (23) are further arranged on the hydraulic oil pipeline, the first safety valve (24) is connected with the hydraulic oil pipeline where the overflow loading valve (13) is located in parallel, and an oil return pipeline where the first safety valve (24) is located is communicated with a second opening, the hydraulic oil pipeline where the second small reversing valve (23) is located is connected with the hydraulic oil pipeline where the overflow loading valve (13) is located in parallel, the hydraulic oil pipeline connected with the overflow loading valve (13) in series is provided with a second stop valve (14), a second large reversing valve (19), a flowmeter (20) and a pressure regulating valve (21), and the hydraulic oil pipeline communicated with the hydraulic oil pipeline where the pressure regulating valve (21) is located is further provided with a first small reversing valve (22).
4. The high-power hydraulic comprehensive test bed according to claim 3, characterized in that: the second test testing system (3) comprises a tested part, an oil inlet and an oil outlet are arranged on the tested part, the oil inlet and the oil outlet are respectively connected with a first quick connector (41) and a second quick connector (42) on a hydraulic oil pipeline, a third pressure gauge (17) is arranged on the hydraulic oil pipeline where the first quick connector (41) is located, a second pressure gauge (16) is arranged on the hydraulic oil pipeline where the second quick connector (42) is located, a first large reversing valve (18) is arranged on the hydraulic oil pipeline where the first quick connector (41) is located and the hydraulic oil pipeline where the second quick connector (42) is located, a third stop valve (15) and a fifth stop valve (39) are arranged on the hydraulic oil pipeline communicated with the hydraulic oil pipeline where the first quick connector (41) is located, the hydraulic oil pipeline where the third stop valve (15) is located is communicated with a pressure oil pipeline where the flowmeter (20) is located, and the hydraulic oil pipeline where the fifth stop valve (39) is located is communicated with the second oil return port.
5. The high-power hydraulic comprehensive test bed according to any one of claims 2 to 4, characterized in that: the top in the oil tank (36) is provided with a high level liquid level detector (37), and the bottom is provided with a low level liquid level detector (38).
6. The test method of the high-power hydraulic comprehensive test bed adopted by the method in claim 4 is characterized in that: the method comprises the following steps:
a. the first test system (2) is used for testing the parameter values of the rotating speed, the flow and the pressure of pump parts, firstly, a third motor (30) is opened to drive a gear type oil supplementing pump (7) to rotate, a fourth stop valve (28) is closed, the front and rear pressure values of the gear type oil supplementing pump (7) are measured through a first pressure gauge (6) and a fourth pressure gauge (29), and redundant hydraulic oil flows back to an oil tank (36) through an oil supplementing overflow valve (31); turning on a first motor (8) to drive a tested pump (40) to rotate, and measuring the numerical value of the rotating speed through a rotating speed meter (10); closing the second small reversing valve (23), adjusting the overflow loading valve (13), reading the pressure value of the tested pump (40) from the second pressure gauge (12), ensuring the safety pressure by the first safety valve (24), and refluxing the hydraulic oil exceeding the safety pressure to the oil tank (36) through the first safety valve (24); then opening a second small reversing valve (23), opening a second stop valve (14), closing a third stop valve (15), closing a fifth stop valve (39), closing a first small reversing valve (22), measuring a flow value by a flowmeter (20) after hydraulic oil passes through a second large reversing valve (19), and finally flowing back to an oil tank (36) through a second filter (32) and a second full valve (33);
b. the second test system (3) is used for measuring the flow, pressure and leakage parameter values of parts such as valves, cylinders and valves; firstly, a third motor (30) is opened to drive a gear type oil supplementing pump (7) to rotate, a fourth stop valve (28) is opened, a first stop valve (9) is closed, a second motor (27) is opened to drive a stock pump (26) to rotate, a second small reversing valve (23) is opened, a second stop valve (14) is closed, a third stop valve (15) is closed, a fifth stop valve (39) is opened, and hydraulic oil reaches a second quick joint (42) and a first quick joint (41) through a first large reversing valve (18); an oil inlet and an oil outlet of a tested part are respectively connected with a second quick coupling (42) and a first quick coupling (41), a front pressure value and a rear pressure value are read through a third pressure gauge (17) and a second pressure gauge (16), and a pressure drop value is calculated; and then closing a fifth closing stop valve (39), opening a second stop valve (14), closing a third stop valve (15), closing a first small reversing valve (22), closing a second large reversing valve (19), adjusting a pressure regulating valve (21), detecting whether the part to be detected leaks, reading out a pressure value through a second pressure gauge (16) and a third pressure gauge (17), continuing to open the second large reversing valve (19), and measuring a flow value of the hydraulic oil through a flow meter (20).
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| CN201911278735.XA CN111043105A (en) | 2019-12-13 | 2019-12-13 | High-power hydraulic comprehensive test bed and test method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418683A (en) * | 2021-05-14 | 2021-09-21 | 中广核核电运营有限公司 | Speed regulator test system and test bench |
| CN114017423A (en) * | 2021-11-29 | 2022-02-08 | 成立航空股份有限公司 | Hydraulic part comprehensive test bench and test method thereof |
-
2019
- 2019-12-13 CN CN201911278735.XA patent/CN111043105A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418683A (en) * | 2021-05-14 | 2021-09-21 | 中广核核电运营有限公司 | Speed regulator test system and test bench |
| CN114017423A (en) * | 2021-11-29 | 2022-02-08 | 成立航空股份有限公司 | Hydraulic part comprehensive test bench and test method thereof |
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Address after: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Applicant after: Establishment of Aviation Co., Ltd Address before: Room 2-103, Warner Jinghu garden, Dongli District, Tianjin Applicant before: CHENGLI AVIATION TECHNOLOGY Co.,Ltd. |