CN201209532Y - Step pressure regulating type lubricating oil pump testing bench - Google Patents
Step pressure regulating type lubricating oil pump testing bench Download PDFInfo
- Publication number
- CN201209532Y CN201209532Y CNU2008200530205U CN200820053020U CN201209532Y CN 201209532 Y CN201209532 Y CN 201209532Y CN U2008200530205 U CNU2008200530205 U CN U2008200530205U CN 200820053020 U CN200820053020 U CN 200820053020U CN 201209532 Y CN201209532 Y CN 201209532Y
- Authority
- CN
- China
- Prior art keywords
- pressure regulating
- oil pump
- torsionmeter
- test bench
- coupling box
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a step pressure regulating type engine oil pump test bench which comprises a cabinet, a semi-automatic hydraulic clamp mechanism, a power transmission mechanism, a step type pressure regulating valve device and a console; the console is connected with the cabinet by a cable; the step type pressure regulating valve device comprises a valve, a valve core and a stepping motor; the middle of the valve is provided with a valve hole; an oil inlet hole and an oil outlet hole which are symmetrical and lined up and down in malposition are arranged below the valve; the valve is connected with the stepping motor by a flange; the valve core is arranged in the valve hole; the valve core is connected with a shaft sleeve and the power output shaft of the stepping motor by a ball screw pair; the valve is also provided with a pressure sensor. The step pressure regulating type engine oil pump test bench relieves the labor intensity of the workers, improves the production efficiency, reduces the production cost, improves the reliability and ensures the personal safety of the workers.
Description
Technical field
The utility model relates to a kind of check out test set of oil pump, particularly a kind of stepping pressure regulating type oil pump test bench.
Background technique
In the past, the equipment that oil pump factory inspection test step uses all was the special device of enterprise's self design basically, a few technical parameter that it can only testing product.Recently, develop multiple oil pump check out test set both at home and abroad in succession, its demonstration to detection of oil pump product performance and technical parameter is also more perfect, but because the employing of the pressure controlling system of these oil pump check out test sets is motor-driven spherical valve of gear reduction or butterfly valve device, such valve is subjected to angle of swing to start the restriction of structure, keying speed is slow when causing the work of oil pump check out test set, the adjusting time is long, detection efficiency is low and the high deficiency of cost, and it is more to break down.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and a kind of stepping pressure regulating type oil pump test bench is provided, it can be realized semi-automatic, quick, accurate, stable and detect the every important technological parameters of oil pump safely, each important technological parameters that detects oil pump in time can also be shown, writes down, stores and accesses.
The technical solution of the utility model is: a kind of stepping pressure regulating type oil pump test bench, and it comprises casing, semi-automatic hydraulic clamp mechanism, power-transmitting unit, step-by-step movement pressure regulating valve device and operating console; Casing lodge body case, inner platform dividing plate and Partition board for fuel tank, inner platform dividing plate and Partition board for fuel tank are installed in the enclosure, and the bottom of Partition board for fuel tank and shell surrounds a shoe cream room; Semi-automatic hydraulic clamp mechanism, power-transmitting unit, step-by-step movement pressure regulating valve device all are fixedly mounted in the casing and are positioned at inner platform dividing plate top; The semi-automatic hydraulic clamp mechanism is connected with an end of oil pipe, and this oil pipe passes inner platform dividing plate and Partition board for fuel tank, and its other end extend in the shoe cream room, and the semi-automatic hydraulic clamp mechanism also is connected with the step-by-step movement pressure regulating valve device by oil pipe; Also be connected with oil pipe on the step-by-step movement pressure regulating valve device, the other end of this oil pipe passes the inner platform dividing plate and Partition board for fuel tank stretches in the shoe cream room, also is serially connected with flowmeter on this oil pipe; Operating console is by cable and casing.
The further technological scheme of the utility model is: described step-by-step movement pressure regulating valve device comprises valve body, spool and stepping motor; Valve body middle part has valve body hole, and the valve body below is provided with symmetry and oil inlet hole and the oil outlet arranged of dislocation up and down, is connected with flange between valve body and the stepping motor; Spool is the plunger type spool that is complementary with valve body hole, and it is installed in the valve body hole, and spool is connected with the pto of stepping motor with axle sleeve by ball wire bar pair; The flange side also is provided with the limiting and protecting device of spool, and it comprises that the sensing switch that is installed in the flange side and the induction that is installed on the spool meet and discuss; Pressure transducer also is housed in valve body.
The utility model further technological scheme is: also be equipped with on the Qianmen of described cabinet shell and push away gate on the pneumatic type; Oil temperature sensor also is housed on the Partition board for fuel tank, and the temperature-measuring part of oil temperature sensor stretches in the shoe cream room, and oil temperature sensor is connected with operating console by cable.
The further again technological scheme of the utility model is: described semi-automatic hydraulic clamp mechanism comprises oil cylinder fixture, positioning support, the rotation hook-type pressing plate that surges, and positioning support is installed on the fixture, and the rotary hook-type pressing plate that surges is located at around the positioning support.
The also further technological scheme of the utility model is: described power-transmitting unit comprises main motor, torsionmeter, coupling box and transmission shaft, torsionmeter is installed on the main shaft of main motor, coupling box is installed on the torsionmeter, transmission shaft one end is connected with coupling box, and its other end stretches in the fixture.
Operating console comprises operating console casing, display device, process control machine and frequency variator, and display device is installed in operating console casing top, and process control machine is installed in the middle part of operating console casing, and frequency variator is installed in the bottom of operating console casing.
The utility model compared with prior art has following characteristics and good effect:
1, step-by-step movement pressure regulating valve device of the present utility model; be mainly to have adopted and be power with the stepping motor and be the plunger type stepping pressure regulating valve device of linear driving element with ball line bar pair; stepping motor is to carry out work by pulse command; need not gear reduction; it rotates and regulates flexibly, governing speed is fast, precision is high, good stability; as long as the step-by-step movement pressure regulating valve device regulates the oil pressure time at every turn 3-5 kind second; also be provided with the limiting and protecting device of spool simultaneously, thereby make the utility model work more safe and reliable.The step-by-step movement pressure regulating valve device makes the utility model shorten the test time of product greatly, has improved labour productivity, has reduced cost of production, has increased reliability.
2, the semi-automatic hydraulic clamp mechanism that adopted of the present utility model has been realized semi-automatic loading and unloading, and clamping is reliable and stable, has alleviated working strength of workers, has improved manufacturing efficiency, under the photoelectric sensor switch protection, has guaranteed operator's personal safety.
3, operating console of the present utility model is monitored really to runnability of the present utility model; control and processing by the industrial computer in the process control machine; can be rapidly, accurately, show reliably with the technical parameter of test; go forward side by side line item, storage and can be for accessing; simultaneously; defective parameter can also be carried out acoustooptic alarm and shut down processing; both guaranteed the reliability of product test quality; guarantee equipment operation and Personal Safety again, realized the test purpose of efficient, high-quality, safety, multipotency.
Below in conjunction with the drawings and specific embodiments detailed structure of the present utility model is further described.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a step-by-step movement pressure regulating valve device structural representation of the present utility model.
Embodiment
Embodiment
As shown in Figure 1: a kind of stepping pressure regulating type oil pump test bench, it comprises casing, semi-automatic hydraulic clamp mechanism 2, power-transmitting unit 3, step-by-step movement pressure regulating valve device 4 and operating console 5; Casing lodge body case 11, inner platform dividing plate 12 and Partition board for fuel tank 13, inner platform dividing plate 12 and Partition board for fuel tank 13 are installed in the shell 11, Partition board for fuel tank 13 surrounds a shoe cream room 131 with the bottom of shell 11, employed oil plant when shoe cream room 131 can be used for splendid attire test machine oil pump, inner platform dividing plate 12 is positioned at Partition board for fuel tank 13 tops, also be equipped with on the Qianmen of cabinet shell 11 and push away gate 14 on the pneumatic type, it can cover the test opening 15 on the casing when oil pump is tested, test opening 15 in the cabinet shell 11 is attached with and pushes away gate detection photoelectric sensor switch 141, on push away gate and detect photoelectric sensor switch 141 and be connected with operating console 5 by cable, operating console 5 by on push away gate and detect photoelectric sensor switch 141 and can when oil pump is tested, detect and push away gate 14 on the pneumatic type and whether close, to prevent when carrying out the oil pump test, not pushing away the danger that gate 14 is brought, play the safety protection effect because of misoperation has the pass to close; Oil temperature sensor 16 also is housed on the Partition board for fuel tank 13, and the temperature-measuring part of oil temperature sensor 16 stretches in the shoe cream room 131, and it is connected with operating console 5 by cable, so that the oily temperature data that will measure send operating console 5 to; Semi-automatic hydraulic clamp mechanism 2, power-transmitting unit 3, step-by-step movement pressure regulating valve device 4 all are fixedly mounted in the casing and are positioned at inner platform dividing plate 12 tops; Semi-automatic hydraulic clamp mechanism 2 comprises oil cylinder fixture 21, positioning support 22, rotation hook-type pressing plate 23 surges, positioning support 22 is installed on the fixture 21, it can be used for laying tested oil pump, the rotary hook-type pressing plate 23 that surges is located at around the positioning support 22, the oil cylinder fixture 21 of semi-automatic hydraulic clamp mechanism 2 is connected with an end of oil pipe 24, oil pipe 24 passes inner platform dividing plate 12 and Partition board for fuel tank 13, its the other end extend in the shoe cream room 131, and semi-automatic hydraulic clamp mechanism 2 also is connected (oil inlet hole 412 that is connected to valve body 41 belows of step-by-step movement pressure regulating valve device 4) by oil pipe 25 with step-by-step movement pressure regulating valve device 4.
Power-transmitting unit 3 comprises main motor 31, torsionmeter 32, coupling box 33 and transmission shaft 34, torsionmeter 32 is installed on the main shaft of main motor 31, coupling box 33 is installed on the torsionmeter 32, transmission shaft 34 1 ends are connected with coupling box 33, its the other end stretches in the fixture 21, when carrying out the oil pump test, transmission shaft 34 can be connected the drive oil pump by gear to be tested.
As shown in Figure 2, step-by-step movement pressure regulating valve device 4 comprises valve body 41, spool 42 and stepping motor 43; Valve body 41 middle parts have valve body hole 411, and valve body 41 belows are provided with symmetry and oil inlet hole 412 and the oil outlet 413 arranged of dislocation up and down, are connected with flange 44 between valve body 41 and the stepping motor 43; Spool 42 is the plunger type spool that is complementary with valve body hole 411, and it is installed in the valve body hole 411, and spool 42 is connected with the pto of axle sleeve 46 with stepping motor 43 by ball wire bar pair 45; Flange 44 sides also are provided with the limiting and protecting device of spool 42, it comprises that sensing switch 47 that is installed in flange 44 sides and the induction that is installed on the spool 42 meet and discuss 48, the limiting and protecting device of spool 42 can guarantee the security of operation of spool 42 to the straight line motion position limitation protection of spool 42; Pressure transducer 49 also is housed in valve body 41, and when carrying out oil pump, operating console 5 can be by the oil pressure parameter in the pressure transducer 49 detection valve body holes 411.
The valve body 41 of step-by-step movement pressure regulating valve device 4 also is connected with oil pipe 414 (as shown in Figure 1) in (oil outlet 413 places), the other end of oil pipe 414 passes inner platform dividing plate 12 and Partition board for fuel tank 13 stretches in the shoe cream room 131, on oil pipe 414, also be serially connected with flowmeter 415, flowmeter 415 is connected with operating console 5 by cable, when carrying out the oil pump test, pressure oil enters flowmeter 415 by oil pipe 414, flow to shoe cream room 131 at last, flowmeter 415 can send the flow information of pressure oil to operating console 5 and handle.
The utility model performance characteristic and working principle are: when oil pump is placed on the positioning support 22 of semi-automatic hydraulic clamp mechanism, by manually after operating console 5 input actuating signals, the utility model promptly enters the automatic working cycle system by process control machine 53 controls, at first carry out Ultra-Low Speed moment of torsion and flexibility test, carry out the low speed running-in stage then, carry out the middling speed testing property again, carry out the high speed performance test at last, the rotating speed of above-mentioned each stage test, in advance in the system by artificial setting and input process control machine 53, all be to test in the velocity range by each stage setting in whole test process, and the technical parameter that records is shown by display device 52, but whole test mass of the utility model and efficient all will cooperate by critical component step-by-step movement pressure regulating valve device 4 of the present utility model and interior pressure transducer 49 thereof to be finished; Step-by-step movement pressure regulating valve device 4 is driven by stepping motor 43, stepping motor 43 can carry out directly plunger type spool 42 through ball wire bar pair 45, fast, accurately, linear drives critically, the pressure information of pressure transducer 49 can feed back to process control machine 53 to be handled, thereby realize the pressure oil in the step-by-step movement pressure regulating valve device 4 is implemented at a high speed, regulate reliably, because stepping motor 43 is a kind of electrical machine elements that electrical pulsing signal can be transformed into the angular displacement rotating speed, when pressure transducer 49 receives the oil circuit pressure signal transmission to process control machine 53, treated being transformed into imported stepper motor 43 after electrical pulse instructs again, and stepper motor 43 this signal conversion can be become the angular displacement rotary speed movement drive ball wire bar pair 45 and spool 42 is effectively regulated work.
The utility model is not limited to above-mentioned concrete structure, just drops within the protection domain of the present utility model with step-by-step movement pressure regulating valve device 4 stepping pressure regulating type oil pump test benchs identical or similar pressure-regulating device of the present utility model so long as adopt.
Claims (10)
1, a kind of stepping pressure regulating type oil pump test bench, it comprises casing, semi-automatic hydraulic clamp mechanism and power-transmitting unit, it is characterized in that: it also comprises step-by-step movement pressure regulating valve device and operating console; Casing lodge body case, inner platform dividing plate and Partition board for fuel tank, inner platform dividing plate and Partition board for fuel tank are installed in the enclosure, and the bottom of Partition board for fuel tank and shell surrounds a shoe cream room; Semi-automatic hydraulic clamp mechanism, power-transmitting unit, step-by-step movement pressure regulating valve device all are fixedly mounted in the casing and are positioned at inner platform dividing plate top; The semi-automatic hydraulic clamp mechanism is connected with an end of oil pipe, and this oil pipe passes inner platform dividing plate and Partition board for fuel tank, and its other end extend in the shoe cream room, and the semi-automatic hydraulic clamp mechanism also is connected with the step-by-step movement pressure regulating valve device by oil pipe; Also be connected with oil pipe on the step-by-step movement pressure regulating valve device, the other end of this oil pipe passes the inner platform dividing plate and Partition board for fuel tank stretches in the shoe cream room, also is serially connected with flowmeter on this oil pipe; Operating console is by cable and casing.
2, stepping pressure regulating type oil pump test bench according to claim 1, it is characterized in that: described step-by-step movement pressure regulating valve device comprises valve body, spool and stepping motor; Valve body middle part has valve body hole, and the valve body below is provided with symmetry and oil inlet hole and the oil outlet arranged of dislocation up and down, is connected with flange between valve body and the stepping motor; Spool is the plunger type spool that is complementary with valve body hole, and it is installed in the valve body hole, and spool is connected with the pto of stepping motor with axle sleeve by ball wire bar pair; The flange side also is provided with the limiting and protecting device of spool, and it comprises that the sensing switch that is installed in the flange side and the induction that is installed on the spool meet and discuss; Pressure transducer also is housed in valve body.
3, stepping pressure regulating type oil pump test bench according to claim 1 and 2 is characterized in that: also be equipped with on the Qianmen of described cabinet shell and push away gate on the pneumatic type; Oil temperature sensor also is housed on the Partition board for fuel tank, and the temperature-measuring part of oil temperature sensor stretches in the shoe cream room, and oil temperature sensor is connected with operating console by cable.
4, stepping pressure regulating type oil pump test bench according to claim 1 and 2, it is characterized in that: described semi-automatic hydraulic clamp mechanism comprises oil cylinder fixture, positioning support, rotation hook-type pressing plate surges, positioning support is installed on the fixture, and the rotary hook-type pressing plate that surges is located at around the positioning support.
5, stepping pressure regulating type oil pump test bench according to claim 3, it is characterized in that: described semi-automatic hydraulic clamp mechanism comprises oil cylinder fixture, positioning support, rotation hook-type pressing plate surges, positioning support is installed on the fixture, and the rotary hook-type pressing plate that surges is located at around the positioning support.
6, stepping pressure regulating type oil pump test bench according to claim 1 and 2, it is characterized in that: described power-transmitting unit comprises main motor, torsionmeter, coupling box and transmission shaft, torsionmeter is installed on the main shaft of main motor, coupling box is installed on the torsionmeter, transmission shaft one end is connected with coupling box, and its other end stretches in the fixture.
7, stepping pressure regulating type oil pump test bench according to claim 3, it is characterized in that: described power-transmitting unit comprises main motor, torsionmeter, coupling box and transmission shaft, torsionmeter is installed on the main shaft of main motor, coupling box is installed on the torsionmeter, transmission shaft one end is connected with coupling box, and its other end stretches in the fixture.
8, stepping pressure regulating type oil pump test bench according to claim 4, it is characterized in that: described power-transmitting unit comprises main motor, torsionmeter, coupling box and transmission shaft, torsionmeter is installed on the main shaft of main motor, coupling box is installed on the torsionmeter, transmission shaft one end is connected with coupling box, and its other end stretches in the fixture.
9, stepping pressure regulating type oil pump test bench according to claim 5, it is characterized in that: described power-transmitting unit comprises main motor, torsionmeter, coupling box and transmission shaft, torsionmeter is installed on the main shaft of main motor, coupling box is installed on the torsionmeter, transmission shaft one end is connected with coupling box, and its other end stretches in the fixture.
10, stepping pressure regulating type oil pump test bench according to claim 1 and 2, it is characterized in that: described operating console comprises operating console casing, display device, process control machine and frequency variator, display device is installed in operating console casing top, process control machine is installed in the middle part of operating console casing, and frequency variator is installed in the bottom of operating console casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200530205U CN201209532Y (en) | 2008-04-28 | 2008-04-28 | Step pressure regulating type lubricating oil pump testing bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200530205U CN201209532Y (en) | 2008-04-28 | 2008-04-28 | Step pressure regulating type lubricating oil pump testing bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209532Y true CN201209532Y (en) | 2009-03-18 |
Family
ID=40480265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200530205U Expired - Fee Related CN201209532Y (en) | 2008-04-28 | 2008-04-28 | Step pressure regulating type lubricating oil pump testing bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209532Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052294A (en) * | 2010-12-07 | 2011-05-11 | 广州市跨越汽车零部件工贸有限公司 | Method for detecting reliability of power steering oil pump of automobile |
| CN103629099A (en) * | 2013-12-18 | 2014-03-12 | 宁波沪江电机有限公司 | Pump testing device |
| CN104791331A (en) * | 2015-04-23 | 2015-07-22 | 阜新德尔汽车部件股份有限公司 | Performance test platform for electrohydraulic pump |
| CN104806506A (en) * | 2015-04-23 | 2015-07-29 | 阜新德尔汽车部件股份有限公司 | Electrohydraulic pump multistage loading durability test bed |
| CN108119351A (en) * | 2017-12-21 | 2018-06-05 | 杭州兴龙泵业有限公司 | A kind of three screw pump type experimental rig for hydraulic turbine control system |
| CN108869033A (en) * | 2018-06-09 | 2018-11-23 | 安徽华兴车辆有限公司 | A kind of oil pump for engine pump core vibration measurement device |
| CN108869265A (en) * | 2018-06-25 | 2018-11-23 | 安徽乐昌气动流体设备科技有限公司 | A kind of pneumatic diaphragm pump test device |
| CN109882398A (en) * | 2019-03-27 | 2019-06-14 | 湖南工业大学 | A kind of lubricating oil pump detection warning device |
| CN109944790A (en) * | 2019-04-02 | 2019-06-28 | 杭州电子科技大学 | A kind of engine oil pump detection device and detection method |
| CN110067738A (en) * | 2019-03-25 | 2019-07-30 | 湖南工业大学 | A kind of intelligence lubricating oil pump detection device |
| CN111577619A (en) * | 2020-05-20 | 2020-08-25 | 安徽阿莫斯流体技术有限公司 | Pressure test system for intelligent automatic pump |
-
2008
- 2008-04-28 CN CNU2008200530205U patent/CN201209532Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052294A (en) * | 2010-12-07 | 2011-05-11 | 广州市跨越汽车零部件工贸有限公司 | Method for detecting reliability of power steering oil pump of automobile |
| CN102052294B (en) * | 2010-12-07 | 2012-10-17 | 广州市跨越汽车零部件工贸有限公司 | Method for detecting reliability of power steering oil pump of automobile |
| CN103629099A (en) * | 2013-12-18 | 2014-03-12 | 宁波沪江电机有限公司 | Pump testing device |
| CN103629099B (en) * | 2013-12-18 | 2016-04-06 | 宁波沪江电机有限公司 | Pump testing apparatus |
| CN104791331A (en) * | 2015-04-23 | 2015-07-22 | 阜新德尔汽车部件股份有限公司 | Performance test platform for electrohydraulic pump |
| CN104806506A (en) * | 2015-04-23 | 2015-07-29 | 阜新德尔汽车部件股份有限公司 | Electrohydraulic pump multistage loading durability test bed |
| CN108119351A (en) * | 2017-12-21 | 2018-06-05 | 杭州兴龙泵业有限公司 | A kind of three screw pump type experimental rig for hydraulic turbine control system |
| CN108869033A (en) * | 2018-06-09 | 2018-11-23 | 安徽华兴车辆有限公司 | A kind of oil pump for engine pump core vibration measurement device |
| CN108869265A (en) * | 2018-06-25 | 2018-11-23 | 安徽乐昌气动流体设备科技有限公司 | A kind of pneumatic diaphragm pump test device |
| CN110067738A (en) * | 2019-03-25 | 2019-07-30 | 湖南工业大学 | A kind of intelligence lubricating oil pump detection device |
| CN109882398A (en) * | 2019-03-27 | 2019-06-14 | 湖南工业大学 | A kind of lubricating oil pump detection warning device |
| CN109944790A (en) * | 2019-04-02 | 2019-06-28 | 杭州电子科技大学 | A kind of engine oil pump detection device and detection method |
| CN109944790B (en) * | 2019-04-02 | 2020-05-12 | 杭州电子科技大学 | Engine oil pump detection device and detection method |
| CN111577619A (en) * | 2020-05-20 | 2020-08-25 | 安徽阿莫斯流体技术有限公司 | Pressure test system for intelligent automatic pump |
| CN111577619B (en) * | 2020-05-20 | 2022-02-18 | 安徽阿莫斯流体技术有限公司 | Pressure test system for intelligent automatic pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201209532Y (en) | Step pressure regulating type lubricating oil pump testing bench | |
| CN201828400U (en) | Electromagnetic valve and valve body performance detection device for automatic transmission | |
| CN105697353B (en) | A kind of variable working condition Hydraulic pump fault simulation and state-detection combined test apparatus | |
| CN201531405U (en) | Oil pump analogue flow test device | |
| CN105092240B (en) | A kind of magnetorheological variable-speed clutch comprehensive performance dynamic test platform and method | |
| CN212643100U (en) | Water pump state overhauls management system | |
| CN109445324B (en) | Control system and control method for motor and reducer integrated test | |
| CN203011689U (en) | Hydraulic automatic transmission test-bed diagnosis system | |
| CN105257524B (en) | A kind of oil pump test platform and its method of testing | |
| CN201475088U (en) | Novel hydraulic test bench | |
| CN103901308A (en) | Electro-hydraulic brake intelligent test bench of electric actuating mechanism and test method thereof | |
| CN103558023A (en) | Central swivel joint testing apparatus | |
| CN103645046B (en) | Performance test of central rotary joint detection method, device | |
| CN103775436A (en) | Modularly-parallel, multi-machine and energy-saving reliability testing device for hydraulic pumps and hydraulic motors | |
| CN203130671U (en) | Servo pump device on microcomputer control electro-hydraulic servo universal testing machine | |
| CN206095493U (en) | Electric valve actuating mechanism torque testing device | |
| CN102562564B (en) | Hardware system of high-pressure pump performance test table using PXI bus technology | |
| CN203838263U (en) | Electric actuating mechanism intelligent type testboard with electro-hydraulic brake | |
| CN107605863A (en) | A kind of cable flexing test device | |
| CN109556875B (en) | Testing platform for marine low-speed diesel engine cylinder oiling system | |
| CN202255906U (en) | Rotary test machine | |
| CN105952628B (en) | Variable-displacement pump testboard bay and its method of testing | |
| CN108181104A (en) | A kind of performance test methods of gear-box | |
| CN211317750U (en) | Electric main shaft rotor reliability test bed for full static pressure loading comprehensive physical field test | |
| CN111189635B (en) | Electric spindle rotor reliability test bed for total static pressure loading comprehensive physical field test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20170428 |