CN104314921A - Multifunctional hydraulic servovalve testing device - Google Patents
Multifunctional hydraulic servovalve testing device Download PDFInfo
- Publication number
- CN104314921A CN104314921A CN201410184442.6A CN201410184442A CN104314921A CN 104314921 A CN104314921 A CN 104314921A CN 201410184442 A CN201410184442 A CN 201410184442A CN 104314921 A CN104314921 A CN 104314921A
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure gauge
- block
- fixed block
- bolted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
Abstract
The invention discloses a multifunctional hydraulic servovalve testing device which comprises a base, a transitional block, a pressure reducing valve, a three-position four-way electromagnetic directional valve, a flowmeter, a switching over block, a three-position six-way hydraulic reversing valve, pressure sensors, an energy accumulator, a valve seat, an experiment table, a pressure gauge, a static tester, an FDQ servovalve amplifier, a recording meter, an electrical control cabinet, an oil pipe and a conducting wire, wherein the pressure gauge is embedded into the front surface plate of the experiment table, the valve seat is embedded into the table surface of the experiment table, the pressure sensor A and the pressure sensor B are arranged on the side surfaces of the valve seat, the three-position six-way valve hydraulic reversing valve is arranged on the bottom surface of the valve seat, the switching over block is arranged on the bottom surface of the three-position six-way hydraulic reversing valve, and the flowmeter is arranged on the bottom surface of the switching over block; the three-position four-way electromagnetic directional valve is arranged on the pressure reducing valve, and the pressure reducing valve is arranged on the transitional block; the electrical control cabinet is arranged on the side surface of the experiment table. The multifunctional hydraulic servovalve testing device is used for detecting the properties of all hydraulic valves and diagnosing breakdowns of the hydraulic valves, has a compact structure, and is light in weight, low in cost, high in intelligentization and strong in universality.
Description
Technical field
The present invention relates to a kind of hydrovalve static properties testing apparatus, especially a kind of Multifunctional hydraulic servo valve test device detecting variety classes hydrovalve static performance index.
Background technique
Along with the development of industrial technology, hydraulic transmission, because of the advantage (antijamming capability is strong, control accuracy is high, stepless speed regulation etc.) of its uniqueness, becomes one of the important technical and irreplaceable key technology of modern transmission and control.In hydraulic transmission, hydrovalve in the function of hydraulic system like the brain of people; Which control the flow of liquid in hydraulic system, the flow direction and pressure, to make moving direction, movement velocity and the thrust etc. needed for executive component acquisition; In any one hydraulic system, if fault has appearred in hydrovalve, the paralysis of whole hydraulic system will be made, to such an extent as to cause the shut-down of whole production line.Therefore, hydrovalve in regular detection hydraulic system, find out the hydrovalve that there is fault in time and replace, this will enhance productivity greatly.In existing equipment, the testing apparatus for detecting hydrovalve performance also exists that intelligence degree is low, versatility is strong, volume is large, high in cost of production defect.
Summary of the invention
The object of the present invention is to provide a kind of Multifunctional hydraulic servo valve test device, to make compact structure, operation simplification, realize Multifunctional hydraulic servo valve test that is intelligent, versatility.
For solving above technical problem, the concrete technological scheme that the present invention adopts is as follows:
A kind of Multifunctional hydraulic servo valve test device, it includes: comprise Laboratory Furniture (13), pressure gauge A (5), pressure gauge B (6), pressure gauge C (9), pressure gauge D (10), valve seat (11), pressure transducer A (19), pressure transducer B (20), three six logical hydraulicchange-over valves (12), transfer block (8), flowmeter (7), three-position four-way electromagnetic directional valve (4), reduction valve (3), transition block (2), base (1), accumulator (21), oil pipe, electrical control cabinet (15), static tester (16), FDQ servovalve amplifier (17), recorder (18), wire, fixed block and Sealing, pressure gauge A (5), pressure gauge B (6), pressure gauge C (9) and pressure gauge D (10) are placed in Laboratory Furniture (13) front panel by fixed block, valve seat (11) is arranged in the table top (14) of Laboratory Furniture (13) by fixed block, and pressure transducer A (19) and pressure transducer B (20) is connected to valve seat (11) two sides by fixed block, Sealing, three six logical hydraulicchange-over valves (12) are arranged on valve seat (11) bottom surface by fixed block, transfer block (8) is arranged on three six logical hydraulicchange-over valve (12) bottom surfaces by fixed block, and flowmeter (7) is located on transfer block (8) bottom surface, three-position four-way electromagnetic directional valve (4) is arranged on reduction valve (3) by fixed block, reduction valve (3) is arranged in transition block (2) by fixed block, and transition block (2) is located on base (1), accumulator (21) is suspended on Laboratory Furniture (13) inner side surface by fixed block.Electrical control cabinet (15) is placed in the right flank of Laboratory Furniture (13), static tester (16) is arranged on electrical control cabinet (15) the top by fixed block, FDQ servovalve amplifier (17) is arranged on static tester (16) below, under recorder (18) is arranged on FDQ servovalve amplifier (17) by fixed block by fixed block; Described pressure gauge A (5), pressure gauge B (6), pressure gauge C (9) and pressure gauge D (10) are bolted on Laboratory Furniture (13) front panel; Described valve seat (11) is bolted on Laboratory Furniture (13) table top; Described pressure transducer A (19) and pressure transducer B (20) are connected to valve seat (11) bi-side by screw thread, seal ring; Described three six logical hydraulicchange-over valves (12) are bolted on valve seat (11) bottom surface; Described transfer block (8) is arranged on three six by bolt and leads between hydraulicchange-over valve (12) and flowmeter (7); Described flowmeter (7) is bolted on transfer block (8) bottom surface; Described three-position four-way electromagnetic directional valve (12) is bolted on reduction valve (3), reduction valve (3) is bolted in transition block (2), transition block (2) is bolted on base (1), and base (1) is arranged on Laboratory Furniture (13) bottom surface by the mode of welding; Described accumulator (21) is fixedly welded on Laboratory Furniture (13) inner side surface by iron hoop; Described static tester (16) is bolted in the groove of electrical control cabinet (15) the top; Described FDQ servovalve amplifier (17) is bolted in electrical control cabinet (15) second grooves; Described recorder (18) is bolted in electrical control cabinet (15) the 3rd groove.
Aforesaid a kind of Multifunctional hydraulic servo valve test device, it is characterized in that: described transition block (2) passes on left screw thread, seal ring is connected to branch road inflow pipeline, transition block (2) front side is connected to three six logical hydraulicchange-over valve (12) left sides by oil pipe, transition block (2) rear side is connected to three six logical hydraulicchange-over valve (12) right sides by oil pipe, and transition block (2) right side is connected to the right side of three six logical hydraulicchange-over valves (12) by oil pipe, described three six logical hydraulicchange-over valves (12) pass on left oil pipe and are connected to pressure gauge A (5) and pressure gauge C (9), and three six logical hydraulicchange-over valve (12) right sides are connected to pressure gauge (6) and oil return rubber tubing by oil pipe, valve seat (11) side is connected to main inflow pipeline and accumulator (21) pipeline by oil pipe, pressure gauge D (10) is connected on main inflow pipeline by pipeline, static tester (16) back side X-Y recorder output terminal passes through wire, plug is connected to the X of recorder, Y-axis input end, static tester (16) back side flowmeter input end is connected on flowmeter (7) by wire, static tester (16) back side electromagnet signal output part is connected to by wire on the plug of three-position four-way electromagnetic directional valve (4), static tester (16) back side P1, P2 pressure acquisition end is connected on pressure transducer A (19) and pressure transducer B (20) by wire, static tester (16) back side hydrovalve signal output part draws two the end of a thread by wire, to be connected with tested valve signal input end.
Aforesaid a kind of Multifunctional hydraulic servo valve test device, is characterized in that: described FDQ servovalve amplifier (17) has amplifying signal input end to be connected with static tester hydrovalve signal output part by amplifying signal input end by wire.
The present invention has beneficial effect.Tested valve is connected by intermediate mass with valve seat by the present invention, supplies to tested valve by turnover oil pipe, oil return, static tester and hydrovalve, three-position four-way electromagnetic directional valve is connected, the given tested valve of static tester, three-position four-way electromagnetic directional valve electrical signal, three six logical hydraulicchange-over valves are fixed between transfer block with valve seat and are connected by oil pipe with three-position four-way electromagnetic directional valve, three six logical hydraulicchange-over valves are commutated by three-position four-way electromagnetic directional valve and change its valve element position thus the different performance of test fluid pressure valve, flowmeter is connected with transfer block, flowmeter can measure the flow by tested valve, pressure transducer and valve seat, turnover oil pipe is connected, and pressure transducer can measure each oil circuit upward pressure value, and recorder is connected with static tester, and recorder draws the performance curve of hydrovalve by the signal that static tester exports, compact structure of the present invention, intelligent high, highly versatile, lightweight, cost is low, performance curve is easy to measure, accuracy is high, there is practicability widely.
Accompanying drawing explanation
Fig. 1 is Laboratory Furniture erection drawing of the present invention;
Fig. 2 is electrical control cabinet erection drawing of the present invention;
In figure: 1. base, 2. transition block, 3. reduction valve, 4. three-position four-way electromagnetic directional valve, 5. pressure gauge A, 6. pressure gauge B, 7. flowmeter, 8. transfer block, 9. pressure gauge C, 10. pressure gauge D, 11. valve seats, 12. 3 six logical hydraulicchange-over valves, 13. Laboratory Furniturees, 14. laboratory bench top, 15. electrical control cabinets, 16. static testers, 17.FDQ servovalve amplifier, 18. recorders, 19. pressure transducer A, 20. pressure transducer B, 21. accumulators.
Embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
Fig. 1, 2 is a kind of Multifunctional hydraulic servo valve test device erection drawings of the present invention, Multifunctional hydraulic servo valve test device, mainly comprise Laboratory Furniture (13), pressure gauge A (5), pressure gauge B (6), pressure gauge C (9), pressure gauge D (10), valve seat (11), pressure transducer A (19), pressure transducer B (20), three six logical hydraulicchange-over valves (12), transfer block (8), flowmeter (7), three-position four-way electromagnetic directional valve (4), reduction valve (3), transition block (2), base (1), accumulator (21), oil pipe, electrical control cabinet (15), static tester (16), FDQ servovalve amplifier (17), recorder (18), wire, fixed block and Sealing, pressure gauge A (5), pressure gauge B (6), pressure gauge C (9) and pressure gauge D (10) are placed in Laboratory Furniture (13) front panel by fixed block, valve seat (11) is arranged in the table top (14) of Laboratory Furniture (13) by fixed block, and pressure transducer A (19) and pressure transducer B (20) is connected to valve seat (11) two sides by fixed block, Sealing, three six logical hydraulicchange-over valves (12) are arranged on valve seat (11) bottom surface by fixed block, transfer block (8) is arranged on three six logical hydraulicchange-over valve (12) bottom surfaces by fixed block, and flowmeter (7) is located on transfer block (8) bottom surface, three-position four-way electromagnetic directional valve (4) is arranged on reduction valve (3) by fixed block, reduction valve (3) is arranged in transition block (2) by fixed block, and transition block (2) is located on base (1), accumulator (21) is suspended on Laboratory Furniture (13) inner side surface by fixed block.Electrical control cabinet (15) is placed in the right flank of Laboratory Furniture (13), static tester (16) is arranged on electrical control cabinet (15) the top by fixed block, FDQ servovalve amplifier (17) is arranged on static tester (16) below, under recorder (18) is arranged on FDQ servovalve amplifier (17) by fixed block by fixed block; Described pressure gauge A (5), pressure gauge B (6), pressure gauge C (9) and pressure gauge D (10) are bolted on Laboratory Furniture (13) front panel; Described valve seat (11) is bolted on Laboratory Furniture (13) table top; Described pressure transducer A (19) and pressure transducer B (20) are connected to valve seat (11) bi-side by screw thread, seal ring; Described three six logical hydraulicchange-over valves (12) are bolted on valve seat (11) bottom surface; Described transfer block (8) is arranged on three six by bolt and leads between hydraulicchange-over valve (12) and flowmeter (7); Described flowmeter (7) is bolted on transfer block (8) bottom surface; Described three-position four-way electromagnetic directional valve (12) is bolted on reduction valve (3), reduction valve (3) is bolted in transition block (2), transition block (2) is bolted on base (1), and base (1) is arranged on Laboratory Furniture (13) bottom surface by the mode of welding; Described accumulator (21) is fixedly welded on Laboratory Furniture (13) inner side surface by iron hoop; Described static tester (16) is bolted in the groove of electrical control cabinet (15) the top; Described FDQ servovalve amplifier (17) is bolted in electrical control cabinet (15) second grooves; Described recorder (18) is bolted in electrical control cabinet (15) the 3rd groove.
Described transition block (2) passes on left screw thread, seal ring is connected to branch road inflow pipeline, transition block (2) front side is connected to three six logical hydraulicchange-over valve (12) left sides by oil pipe, transition block (2) rear side is connected to three six logical hydraulicchange-over valve (12) right sides by oil pipe, and transition block (2) right side is connected to the right side of three six logical hydraulicchange-over valves (12) by oil pipe, described three six logical hydraulicchange-over valves (12) pass on left oil pipe and are connected to pressure gauge A (5) and pressure gauge C (9), and three six logical hydraulicchange-over valve (12) right sides are connected to pressure gauge (6) and oil return rubber tubing by oil pipe, valve seat (11) side is connected to main inflow pipeline and accumulator (21) pipeline by oil pipe, pressure gauge D (10) is connected on main inflow pipeline by pipeline, static tester (16) back side X-Y recorder output terminal passes through wire, plug is connected to the X of recorder, Y-axis input end, static tester (16) back side flowmeter input end is connected on flowmeter (7) by wire, static tester (16) back side electromagnet signal output part is connected to by wire on the plug of three-position four-way electromagnetic directional valve (4), static tester (16) back side P1, P2 pressure acquisition end is connected on pressure transducer A (19) and pressure transducer B (20) by wire, static tester (16) back side hydrovalve signal output part draws two the end of a thread by wire, to be connected with tested valve signal input end.
Described FDQ servovalve amplifier (17) there is amplifying signal input end to be connected with static tester hydrovalve signal output part by amplifying signal input end by wire.
The working procedure of the present embodiment is as follows:
Tested valve is connected by intermediate mass with valve seat, supplies to tested valve by turnover oil pipe, oil return, static tester and hydrovalve, three-position four-way electromagnetic directional valve is connected, the given tested valve of static tester, three-position four-way electromagnetic directional valve electrical signal, three six logical hydraulicchange-over valves are fixed between transfer block with valve seat and are connected by oil pipe with three-position four-way electromagnetic directional valve, three six logical hydraulicchange-over valves are commutated by three-position four-way electromagnetic directional valve and change its valve element position thus the different performance of test fluid pressure valve, flowmeter is connected with transfer block, flowmeter can measure the flow by tested valve, pressure transducer and valve seat, turnover oil pipe is connected, and pressure transducer can measure each oil circuit upward pressure value, and recorder is connected with static tester, and recorder draws the performance curve of hydrovalve by the signal that static tester exports, compact structure of the present invention, intelligent high, highly versatile, lightweight, cost is low, performance curve is easy to measure, accuracy is high, there is practicability widely.
Claims (4)
1. a Multifunctional hydraulic servo valve test device, it is characterized in that: comprise Laboratory Furniture (13), pressure gauge A (5), pressure gauge B (6), pressure gauge C (9), pressure gauge D (10), valve seat (11), pressure transducer A (19), pressure transducer B (20), three six logical hydraulicchange-over valves (12), transfer block (8), flowmeter (7), three-position four-way electromagnetic directional valve (4), reduction valve (3), transition block (2), base (1), accumulator (21), oil pipe, electrical control cabinet (15), static tester (16), FDQ servovalve amplifier (17), recorder (18), wire, fixed block and Sealing, pressure gauge A (5), pressure gauge B (6), pressure gauge C (9) and pressure gauge D (10) are placed in Laboratory Furniture (13) front panel by fixed block, valve seat (11) is arranged in the table top (14) of Laboratory Furniture (13) by fixed block, and pressure transducer A (19) and pressure transducer B (20) is connected to valve seat (11) two sides by fixed block, Sealing, three six logical hydraulicchange-over valves (12) are arranged on valve seat (11) bottom surface by fixed block, transfer block (8) is arranged on three six logical hydraulicchange-over valve (12) bottom surfaces by fixed block, and flowmeter (7) is located on transfer block (8) bottom surface, three-position four-way electromagnetic directional valve (4) is arranged on reduction valve (3) by fixed block, reduction valve (3) is arranged in transition block (2) by fixed block, and transition block (2) is located on base (1), accumulator (21) is suspended on Laboratory Furniture (13) inner side surface by fixed block.
2. electrical control cabinet (15) is placed in the right flank of Laboratory Furniture (13), static tester (16) is arranged on electrical control cabinet (15) the top by fixed block, FDQ servovalve amplifier (17) is arranged on static tester (16) below, under recorder (18) is arranged on FDQ servovalve amplifier (17) by fixed block by fixed block; Described pressure gauge A (5), pressure gauge B (6), pressure gauge C (9) and pressure gauge D (10) are bolted on Laboratory Furniture (13) front panel; Described valve seat (11) is bolted on Laboratory Furniture (13) table top; Described pressure transducer A (19) and pressure transducer B (20) are connected to valve seat (11) bi-side by screw thread, seal ring; Described three six logical hydraulicchange-over valves (12) are bolted on valve seat (11) bottom surface; Described transfer block (8) is arranged on three six by bolt and leads between hydraulicchange-over valve (12) and flowmeter (7); Described flowmeter (7) is bolted on transfer block (8) bottom surface; Described three-position four-way electromagnetic directional valve (12) is bolted on reduction valve (3), reduction valve (3) is bolted in transition block (2), transition block (2) is bolted on base (1), and base (1) is arranged on Laboratory Furniture (13) bottom surface by the mode of welding; Described accumulator (21) is fixedly welded on Laboratory Furniture (13) inner side surface by iron hoop; Described static tester (16) is bolted in the groove of electrical control cabinet (15) the top; Described FDQ servovalve amplifier (17) is bolted in electrical control cabinet (15) second grooves; Described recorder (18) is bolted in electrical control cabinet (15) the 3rd groove.
3. a kind of Multifunctional hydraulic servo valve test device according to claim 1, it is characterized in that: described transition block (2) passes on left screw thread, seal ring is connected to branch road inflow pipeline, transition block (2) front side is connected to three six logical hydraulicchange-over valve (12) left sides by oil pipe, transition block (2) rear side is connected to three six logical hydraulicchange-over valve (12) right sides by oil pipe, and transition block (2) right side is connected to the right side of three six logical hydraulicchange-over valves (12) by oil pipe, described three six logical hydraulicchange-over valves (12) pass on left oil pipe and are connected to pressure gauge A (5) and pressure gauge C (9), and three six logical hydraulicchange-over valve (12) right sides are connected to pressure gauge (6) and oil return rubber tubing by oil pipe, valve seat (11) side is connected to main inflow pipeline and accumulator (21) pipeline by oil pipe, pressure gauge D (10) is connected on main inflow pipeline by pipeline, static tester (16) back side X-Y recorder output terminal passes through wire, plug is connected to the X of recorder, Y-axis input end, static tester (16) back side flowmeter input end is connected on flowmeter (7) by wire, static tester (16) back side electromagnet signal output part is connected to by wire on the plug of three-position four-way electromagnetic directional valve (4), static tester (16) back side P1, P2 pressure acquisition end is connected on pressure transducer A (19) and pressure transducer B (20) by wire, static tester (16) back side hydrovalve signal output part draws two the end of a thread by wire, to be connected with tested valve signal input end.
4. a kind of multifunction hydraulic valve test device according to claim 1 and 2, is characterized in that: described FDQ servovalve amplifier (17) has amplifying signal input end to be connected with static tester hydrovalve signal output part by amplifying signal input end by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410184442.6A CN104314921A (en) | 2014-07-09 | 2014-07-09 | Multifunctional hydraulic servovalve testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410184442.6A CN104314921A (en) | 2014-07-09 | 2014-07-09 | Multifunctional hydraulic servovalve testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104314921A true CN104314921A (en) | 2015-01-28 |
Family
ID=52370203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410184442.6A Pending CN104314921A (en) | 2014-07-09 | 2014-07-09 | Multifunctional hydraulic servovalve testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104314921A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089856A (en) * | 2016-06-20 | 2016-11-09 | 北京交通大学 | The automatization test system of the dynamic pressure feedback characteristic of servo valve |
| CN106089857A (en) * | 2016-06-20 | 2016-11-09 | 北京交通大学 | The test system of the dynamic pressure feedback effect frequency characteristic of servo valve and test method |
| CN106593999A (en) * | 2016-12-01 | 2017-04-26 | 成都欧迅科技股份有限公司 | System for testing double-electric low-voltage hydraulic control solenoid directional valve |
| CN107542727A (en) * | 2017-09-06 | 2018-01-05 | 国营芜湖机械厂 | A kind of guiding valve pair hydraulic detection device and its detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098499A (en) * | 1965-05-11 | 1968-01-10 | Frank Marshall Engineers Ltd | An improved hydraulic pressure testing device |
| EP1865235A2 (en) * | 2006-06-06 | 2007-12-12 | Nissan Motor Co., Ltd. | Hydraulic pressure control apparatus |
| DE102012207422A1 (en) * | 2012-05-04 | 2013-11-07 | Robert Bosch Gmbh | Hydraulic control system used for working machine e.g. mini excavators, has pressure reduction device for high load pressure, which is more adjusted in dependence of controlled volumetric flow of adjuster of the hydraulic pump |
| 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 |
-
2014
- 2014-07-09 CN CN201410184442.6A patent/CN104314921A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098499A (en) * | 1965-05-11 | 1968-01-10 | Frank Marshall Engineers Ltd | An improved hydraulic pressure testing device |
| EP1865235A2 (en) * | 2006-06-06 | 2007-12-12 | Nissan Motor Co., Ltd. | Hydraulic pressure control apparatus |
| DE102012207422A1 (en) * | 2012-05-04 | 2013-11-07 | Robert Bosch Gmbh | Hydraulic control system used for working machine e.g. mini excavators, has pressure reduction device for high load pressure, which is more adjusted in dependence of controlled volumetric flow of adjuster of the hydraulic pump |
| KR20130124432A (en) * | 2012-05-04 | 2013-11-13 | 로베르트 보쉬 게엠베하 | Hydraulic control device with load pressure reduction and hydraulic valve block therefor |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089856A (en) * | 2016-06-20 | 2016-11-09 | 北京交通大学 | The automatization test system of the dynamic pressure feedback characteristic of servo valve |
| CN106089857A (en) * | 2016-06-20 | 2016-11-09 | 北京交通大学 | The test system of the dynamic pressure feedback effect frequency characteristic of servo valve and test method |
| CN106089857B (en) * | 2016-06-20 | 2018-03-02 | 北京交通大学 | The test system and test method of the dynamic pressure feedback effect frequency characteristic of servo valve |
| CN106593999A (en) * | 2016-12-01 | 2017-04-26 | 成都欧迅科技股份有限公司 | System for testing double-electric low-voltage hydraulic control solenoid directional valve |
| CN106593999B (en) * | 2016-12-01 | 2018-06-26 | 成都欧迅科技股份有限公司 | A kind of double electric low pressure hydraulic control electromagnetic switch valve test systems |
| CN107542727A (en) * | 2017-09-06 | 2018-01-05 | 国营芜湖机械厂 | A kind of guiding valve pair hydraulic detection device and its detection method |
| CN107542727B (en) * | 2017-09-06 | 2019-05-10 | 国营芜湖机械厂 | A kind of slide valve pair hydraulic detection device and its detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104314921A (en) | Multifunctional hydraulic servovalve testing device | |
| CN101463847B (en) | Load frequency response test system and method for hydraulic cylinder | |
| CN102865271A (en) | Detection method and device of internal leakage of hydraulic valve | |
| CN202661255U (en) | Dynamic test device of hydraulic damper | |
| CN101451893B (en) | Test system and test method for hydraulic cylinder with loading friction force characteristic | |
| CN103644151A (en) | Energy-conservation and low-impact hydraulic cylinder test testbed hydraulic control system | |
| CN101979883B (en) | Loaded piston deflection test system and test method for large-sized servo hydraulic cylinder | |
| CN205047582U (en) | Leak testing system in compound pneumatic cylinder | |
| CN203024853U (en) | Pressure preloading device of weighing load cell | |
| CN110552933A (en) | Device and method for monitoring leakage rate in hydraulic cylinder in real time | |
| CN103091024A (en) | Push-pull force testing device of actuator | |
| CN103511365A (en) | Hot rolling mill rolling control system used for improving rolling accuracy | |
| CN201417215Y (en) | On-line check meter of servo protection valve | |
| CN202381451U (en) | Test system for electro-hydraulic servo valve | |
| CN104458225A (en) | Complete-machine static rigidity detection control system for numerical control machine tool | |
| CN203948385U (en) | Multifunctional hydraulic servo valve detection system | |
| CN205449453U (en) | Horizontal directional drilling crossing churn drilling tools capability test device | |
| CN205937307U (en) | Servovalve test solution presses system | |
| CN101881680A (en) | Multifunctional pressure detecting and measuring switch | |
| CN102840972A (en) | Hydraulic loading device for mechanical part test table | |
| CN104964792A (en) | Differential pressure sensor static performance detection device | |
| CN205605541U (en) | Multistage pressure automatic switch -over detects structure | |
| CN206449040U (en) | A kind of connected mode of hydraulic pressure valve core and displacement detector | |
| CN210509810U (en) | Shift control test bench of gear shifting valve | |
| CN202100542U (en) | Hydraulic synchronous control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |
|
| WD01 | Invention patent application deemed withdrawn after publication |