CN103953534A - Testing device for oil pump of automobile - Google Patents
Testing device for oil pump of automobile Download PDFInfo
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- CN103953534A CN103953534A CN201410101616.8A CN201410101616A CN103953534A CN 103953534 A CN103953534 A CN 103953534A CN 201410101616 A CN201410101616 A CN 201410101616A CN 103953534 A CN103953534 A CN 103953534A
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Abstract
The invention provides a testing device for an oil pump of an automobile, belongs to the technical field of oil capacity variable machinery, and solves the problem that the conventional testing device for the oil pump of the automobile is complicated in operation and structure and cannot comprehensively test performance. The testing device comprises a frame, a power system, a clamping system, a pipeline system and a data display system, wherein the power system is arranged on the frame and can slide in a reciprocating way along the vertical direction of the frame; the power system is provided with a power shaft; a clamp is arranged on the clamping system and is provided with the oil pump; the power shaft can be inserted onto the clamp and drive the oil pump to rotate; the pipeline system is connected to the inlet and the outlet of the oil pump respectively and is provided with a manual modulation valve; the manual modulation valve can control the flow and pressure of oil in the pipeline system; the data display system displays test data of the oil pump. The testing device has the advantages of convenience in operation, comprehensive test and simple structure.
Description
Technical field
The invention belongs to fluid variable capacity field of mechanical technique, relate to a kind of testing apparatus of oil pump testing apparatus, particularly a kind of lubricating pump of automobile.
Background technique
Lubricating pump of automobile is the important spare part of automobile, and his effect is to make engine oil pressure raise and maintain certain oil pressure, to continuously supplying lubricating oil of each friction pair, reduce the fretting wear of part, motor is lubricated reliably, and the quality of its performance directly has influence on the performance of motor, thereby the Performance Detection of oil pump is particularly important, at home, the detection means that most of Zhi Beng enterprise adopts falls behind, and testing precision is not high, complicated operation, test item is also imperfect
Chinese patent CN202108718 has announced a kind of oil pump performance testing equipment, comprise frame and be connected to the clamping mechanism of oil pump in frame, test oil circuit mechanism, oil pump transmission mechanism, oil temperature control mechanism, frequency variator and variable-frequency motor, frequency variator is electrically connected with variable-frequency motor, variable-frequency motor is connected with oil pump transmission mechanism, oil pump transmission mechanism is connected with clamping mechanism of oil pump, variable-frequency motor rotating switch and parameter comparison indication mechanism that it also comprises central control unit and is electrically connected with central control unit, on oil pump transmission mechanism, be provided with speed probe, in test oil circuit mechanism, be provided with pressure transducer and flowmeter, oil temperature control mechanism is provided with temperature transducer, clamping mechanism of oil pump, test oil circuit mechanism, oil temperature control mechanism, frequency variator, speed probe, pressure transducer, flowmeter and temperature transducer are all electrically connected with central control unit.
Above-mentioned oil pump performance testing equipment complicated operation, complex structure, test performance is comprehensive not.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of easy to operate, testing apparatus of testing lubricating pump of automobile comprehensive, simple in structure.
Object of the present invention can realize by following technical proposal: a kind of testing apparatus of lubricating pump of automobile, comprise frame, rack-mounted power system, the Clamping system of Installation And Test oil pump performance, pipe-line system and data presentation system, it is characterized in that, described power system is arranged in frame and can reciprocatingly slides along the vertical direction of frame, in described power system, be provided with line shaft, on described Clamping system, be provided with fixture, on described fixture, oil pump is installed, described line shaft can be plugged on fixture and drive oil pump to rotate, described pipe-line system is connected respectively in the import and outlet of oil pump, in described pipe-line system, be provided with manual modulation valve, described manual modulation valve can control piping system inner fluid flow and pressure, described data presentation system shows the test data of oil pump.
The testing apparatus of this lubricating pump of automobile is under original state, oil pump to be tested is installed on fixture, and the import of oil pump and outlet are connected respectively in pipe-line system, regulate the position of power system in frame, line shaft is plugged on fixture and drive oil pump to rotate, regulate manual modulation valve, fluid enters in oil pump along pipeline in fuel tank, and enter successively each test element on data presentation system by pipeline, the data such as flow, pressure, temperature, time are shown in instrument.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, described frame comprises support body, is arranged on the column on support body, on the vertical direction of column, guide rail is installed, power system and Clamping system are all slidably installed on guide rail, described power system or Clamping system can be fixed on guide rail, in described support body, fuel tank is installed, described pipe-line system is connected on support body and a part for pipe-line system is arranged in fuel tank.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, described power system comprises fixing frame, be arranged on motor on fixing frame with rotating shaft and be connected motor and the pulley assembly of rotating shaft, described line shaft is arranged on one end of rotating shaft, in rotating shaft, be also provided with torque sensor, the moment of torsion of described torque sensor test rotating shaft, described fixing frame is slidably installed on guide rail and can be fixed on the desired location on guide rail.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, described fixture is provided with mounting plate and coupling shaft, oil pump is arranged on a side of mounting plate, and one end of described coupling shaft is run through mounting plate and is connected in oil pump and can drives oil pump running, and the other end and line shaft are connected.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, the end of described line shaft offers counterbore, on described coupling shaft, offers boss, and described boss mutually mates with counterbore and can transmitting torque.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, described pipe-line system is also provided with flowmeter, in the import of oil pump, be connected with filter by conduit, described filter is arranged in fuel tank, on described machine oil delivery side of pump, be connected with respectively temperature transducer, pressure transducer, manual modulation valve and flowmeter by conduit, on described flowmeter, be also provided with filter, the outlet end of described flowmeter is also provided with the pipeline that is communicated to fuel tank.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, in described pipe-line system, be also provided with safety return-flow valve, the import of described safety return-flow valve and outlet are connected respectively on the pipeline of oil pump import and outlet.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, on described pipeline, be connected with the first run, the second run, the 3rd run and the 4th run in turn, the profile of described the first run is " 5 " font showing on nixie tube, on described the first run, the residing plane of axis is the first plane, its one end is connected to flowmeter, the outlet of the other end is connected to safety return-flow valve, on described the first run, is provided with three-way interface, and described the second run is connected to three-way interface; Described the second run is L-shaped, and the residing plane of its axis is the second plane, and described the second plane is perpendicular to the first plane, and the outlet of described the second run is connected with elbow; Described the 3rd run is L-shaped, and the residing plane of axis is the 3rd plane and perpendicular to the first plane and the second plane, one end of described the 3rd run is connected on elbow, and the other end is connected to the 4th run; Described the 4th run is " J " shape, and the residing plane of axis is Siping City's face, and described Siping City face and the first plane and the 3rd Plane intersects are angled, and the outlet of the 4th run is connected in oil pump.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, in described fuel tank, be also provided with temperature controlling device and be connected to the temperature transducer on temperature controlling device, described temperature transducer test oil liquid temp also feeds back to data presentation system.
In the testing apparatus of above-mentioned a kind of lubricating pump of automobile, in described frame, be provided with control panel, described data presentation system is arranged on control panel, described data presentation system comprises temp controlled meter, tachometer, timer and flow instrument, described temp controlled meter connects temperature controlling device and shows and control oil liquid temperature, tachometer shows the rotating speed of exporting in power system, and described flow instrument shows the data on flows in pipeline, and described timer record oil pump is moved the test time in each stage.
Compared with prior art, the present invention has following advantage:
1, power system can move up and down along frame in frame, and power system is connected with fixture by line shaft with Clamping system, connects simply convenient test.
2, belt wheel group is set, belt wheel group connects motor and rotating shaft, and regulation range is large, and rotational speed regulation is simple.
3, manual modulation valve is set, can tests easily and observe the variation of oil pump performance, flow etc., simple to operate.
4, data presentation system is set and in instrument, reads intuitively various test datas, it is convenient to observe.
5, various measuring instrument is set, can detects the properties of oil pump.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is data presentation system layout structure schematic diagram in the present invention.
Fig. 3 is the structural representation of pipe-line system in the present invention.
Fig. 4 is the structural representation of medium power system of the present invention and Clamping system.
Fig. 5 is the structure for amplifying schematic diagram at A place in the present invention.
In figure, 10, power system; 11, motor; 12, pulley assembly; 13, rotating shaft; 14, line shaft; 141, counterbore; 15, fixing frame; 20, data presentation system; 21, control panel; 22, temp controlled meter; 23, timer; 24, flow instrument; 25, tachometer; 30, Clamping system; 31, coupling shaft; 311, boss; 32, mounting plate; 33, fixed plate; 40, pipe-line system; 41, manual modulation valve; 42, safety return-flow valve; 43, flowmeter; 44, filter; 45, oil pump; 46, conduit; 461, the first run; 462, three-way interface; 463, the second run; 464, elbow; 465, the 3rd run; 466, the 4th run; 50, frame; 51, fuel tank; 52, guide rail; 53, column, 54, support body.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, the testing apparatus of this lubricating pump of automobile 45 comprises frame 50, is arranged on the power system 10 in frame 50, Clamping system 30, pipe-line system 40 and the data presentation system 20 of Installation And Test oil pump 45.
As shown in Figures 1 to 4, frame 50 comprises support body 54, be arranged on the column 53 on support body 54, guide rail 52 is installed on the vertical direction of column 53, power system 10 and Clamping system 30 all can be on guide rail 52 slide, when power system 10 or Clamping system 30 arrive behind precalculated position, can be fixed on guide rail 52, on support body 54, be provided with control panel 21, data presentation system 20 is arranged in control panel 21, fuel tank 51 is installed in support body 54, the interior filling of fuel tank 51 has fluid, pipe-line system 40 is connected on support body 54 and a part for pipe-line system 40 is arranged in fuel tank 51, in fuel tank 51, be also provided with temperature controlling device and be connected to the temperature transducer on temperature controlling device, temperature controlling device can regulating oil tank 51 inner fluids temperature, temperature transducer test oil liquid temp also feeds back to data presentation system 20.
As shown in Figure 4, power system 10 comprises fixing frame 15, be arranged on motor 11 on fixing frame 15 with rotating shaft 13 and be connected motor 11 and the pulley assembly 12 of rotating shaft 13, thereby motor 11 drives pulley assembly 12 to turn round drives rotating shaft 13 to rotate, line shaft 14 is connected in one end of rotating shaft 13, the unsettled setting of the other end and the end of line shaft 14 offer counterbore 141, in rotating shaft 13, be provided with torque sensor, the moment of torsion of torque sensor test rotating shaft 13 is also transferred to data presentation system 20, and fixing frame 15 is slidably installed on guide rail 52 and can be fixed to desired location.
As shown in Figure 4 and Figure 5, Clamping system 30 comprises mounting plate 32, coupling shaft 31 and fixed plate 33, Clamping system 30 is slided in frame 50 and can be fixed at desired location by fixed plate 33, oil pump 45 is arranged on a side of mounting plate 32, one end of coupling shaft 31 is run through mounting plate 32 and is connected in oil pump 45, and coupling shaft 31 can drive oil pump 45 to turn round, the other end of coupling shaft 31 is provided with boss 311, boss 311 mates and energy transmitting torque mutually with the counterbore 141 of line shaft 14, boss 311 shapes can be shape changeable or oval shape, shape changeable or the oval shape of the counterbore 141 of line shaft 14 for matching, after mutually pegging graft, both are transmitting torque mutually.
As shown in Figure 3, pipe-line system 40 comprises manual modulation valve 41, filter 44, flowmeter 43 and safety return-flow valve 42, in the import of oil pump 45, be connected to filter 44 by conduit 46, filter 44 is arranged in fuel tank 51, in the outlet of oil pump 45, be connected with temperature transducer in turn by conduit 46, pressure transducer, manual modulation valve 41 and flowmeter 43, regulate flow and pressure that manual modulation valve 41 can control piping system 40 inner fluids, on flowmeter 43, be also provided with filter 44, the outlet end of flowmeter 43 is also provided with the pipeline that is communicated to fuel tank 51, safety return-flow valve 42 is connected on the pipeline of oil pump 45 imports and outlet.
On the pipeline 46 between flowmeter 43 and the import of oil pump 45, be connected with the first run 461 in turn, the second run 463, the 3rd run 465 and the 4th run 466, the profile of the first run 461 is " 5 " font showing on nixie tube, on the first run 461, the residing plane of axis is the first vertical plane, its one end is connected to flowmeter 43, the outlet of the other end is connected to safety return-flow valve 42, upper one at the first run 461 is vertically provided with three-way interface 462 in section, the second run 463 level connection joints are to three-way interface 462, the second run 463 is L-shaped, the residing plane of axis is the second vertical plane and perpendicular to the first plane, the outlet of the second run 463 vertically down and be connected with elbow 464, the 3rd run 465 is L-shaped, the 3rd plane that the residing plane of axis is level and perpendicular to the first plane and the second plane, the 3rd run 465 level connection joints are to elbow 464, the other end is connected to the 4th run 466, the 4th run 466 is " J " shape, the residing plane of axis is vertical Siping City's face, Siping City's face and the first plane and the 3rd Plane intersects are angled, the outlet of the 4th run 466 is connected in oil pump 45.Flow of fluid is apart from increasing, and the angle of turning round is many, is easy to control the pressure in conduit 46.
As shown in Figure 2, data presentation system 20 comprises temp controlled meter 22, timer 23, tachometer 25 and flow instrument 24, temp controlled meter 22 connects temperature controlling device control oil liquid temperature, tachometer 25 is controlled the rotating speed of output in power system 10, flow instrument 24 shows the data on flows in pipeline, and timer 23 logging machine oil pumps 45 move the test time in each stage.
The present invention is under original state, the position of adjustable clamp clamping system 30, oil pump 45 is installed on fixture, the import of oil pump 45 and outlet are connected respectively in pipe-line system 40, mobile power system 10, line shaft 14 is plugged on coupling shaft 31, regulate after oil liquid temperature by temperature controlling device, starting electrical machinery 11, pulley assembly 12 drives rotating shaft 13 to rotate, rotating shaft 13 transfers torque to coupling shaft 31 by line shaft 14, coupling shaft 31 drives oil pump 45 to rotate, the rotation of oil pump 45 drives fluid to enter into oil pump 45 from filter 44 along pipeline, after oil pump 45 pressurizations, discharged by the pipe-line system 40 being connected in outlet, pass through successively temperature transducer, pressure transducer, manual modulation valve 41 and flowmeter 43, and test data is presented on data presentation system 20, by regulating manual modulation valve 41, can test the data on flows under different conditions.
Project and the method for lubricating pump of automobile 45 testing propertys:
1. fuel-displaced time test
After oil pump 45 clampings complete, power system 10 turns round, coupling shaft 31 rotates with 250rpm, on system main line, connect fuel-displaced time test bypass, be used for testing the fuel-displaced time, fuel-displaced time test bypass is by its switching of valve control of manual modulation valve 41, simultaneously, coordinate with timer 23, time when fuel-displaced time test bypass has oil to occur is the fuel-displaced time of oil pump 45.
2 fuel delivery tests
After oil pump 45 clampings complete, by oil pump 45 adjustment of rotational speed, to the rotating speed of setting, the aperture of simultaneously manually adjusting manual modulation valve 41 makes the outlet pressure of pipe-line system 40 to specified value, and now the numerical value of flowmeter 43 is the fuel delivery of oil pump 45.
3 connect pressure-limit valve test loop detectability pressure valve performance characteristic in pipe-line system 40:
3.1 pressure limiting valve opening pressure
Under the oil liquid temperature of regulation and the oil pump 45 rotating speed states of regulation, slowly regulate manual modulation valve 41 apertures, to increase oil outlet pressure, that time in the time that pressure-limit valve oil outlet has oil to flow out, check oil outlet pressure, this pressure is pressure limiting valve opening pressure.
3.2 pressure-limit valve cutoff pressures;
Under the oil liquid temperature of regulation and the oil pump 45 rotating speed states of regulation, load slowly gradually, until the fuel delivery in oil pump 45 outlet ports is 1 o'clock, pump discharge pressure value is now pressure-limit valve cutoff pressure.
3.3 pressure-limit valve performance characteristic
Under the oil liquid temperature of regulation and the oil pump 45 rotating speed states of regulation, pressure-limit valve is started to oil spilling, and to play oil pump oil outlet flow be this section of pressure minute 7 different oil pressure of 1 o'clock, the parameter such as fuel delivery while measuring each operating mode after the 30S that turns round respectively, oil liquid temperature, oil pump 45 outlet pressures.
4 rotary speed property tests
In the time of the test oil temperature of regulation and oil pump 45 outlet pressure of regulation, to 7 different rotating speeds including rated engine speed and 110% rated engine speed, fuel delivery, oil temperature, the rotating speed while measuring each operating mode after the 30s that turns round respectively and pump the relevant parameters such as pressure.
5 Pressure characteristics tests
Under the oil liquid temperature of regulation and the oil pump 45 rotating speed states of regulation, to more than 6 different oil pressure including demarcation oil pump 45 outlet pressures, the relevant parameters such as fuel delivery, oil liquid temperature, rotating speed and oil pump 45 outlet pressures while measuring each operating mode after the 30s that turns round respectively.
Compared with prior art, the present invention has following advantage:
1, power system 10 can move up and down along frame 50 in frame 50, and power system 10 is connected with fixture by line shaft 14 with Clamping system 30, connects simply convenient test.
2, belt wheel group is set, belt wheel group connects motor 11 and rotating shaft 13, and regulation range is large, and rotational speed regulation is simple.
3, manual modulation valve 41 is set, can tests easily and observe the variation of oil pump 45 performances, flow etc., simple to operate.
4, data presentation system 20 is set and in instrument, reads intuitively various test datas, it is convenient to observe.
5, various measuring instrument is set, can detects the properties of oil pump 45.
6, lengthened pipeline 46 and increased the turning of pipeline 46, being convenient to regulate the pressure of pipeline 46 inner fluids, having made oil pump 45 convenient test, degree of accuracy is high.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. the testing apparatus of a lubricating pump of automobile, comprise frame, rack-mounted power system, the Clamping system of Installation And Test oil pump performance, pipe-line system and data presentation system, it is characterized in that, described power system is arranged in frame and can reciprocatingly slides along the vertical direction of frame, in described power system, be provided with line shaft, on described Clamping system, be provided with fixture, on described fixture, oil pump is installed, described line shaft can be plugged on fixture and drive oil pump to rotate, described pipe-line system is connected respectively in the import and outlet of oil pump, in described pipe-line system, be provided with manual modulation valve, described manual modulation valve can control piping system inner fluid flow and pressure, described data presentation system shows the test data of oil pump.
2. the testing apparatus of a kind of lubricating pump of automobile according to claim 1, it is characterized in that, described frame comprises support body, is arranged on the column on support body, on the vertical direction of column, guide rail is installed, power system and Clamping system are all slidably installed on guide rail, described power system or Clamping system can be fixed on guide rail, in described support body, fuel tank are installed, and described pipe-line system is connected on support body and a part for pipe-line system is arranged in fuel tank.
3. the testing apparatus of a kind of lubricating pump of automobile according to claim 1 and 2, it is characterized in that, described power system comprises fixing frame, be arranged on motor on fixing frame with rotating shaft and be connected motor and the pulley assembly of rotating shaft, described line shaft is arranged on one end of rotating shaft, in rotating shaft, be also provided with torque sensor, the moment of torsion of described torque sensor test rotating shaft, described fixing frame is slidably installed on guide rail and can be fixed on the desired location on guide rail.
4. the testing apparatus of a kind of lubricating pump of automobile according to claim 1 and 2, it is characterized in that, described fixture is provided with mounting plate and coupling shaft, oil pump is arranged on a side of mounting plate, one end of described coupling shaft is run through mounting plate and is connected in oil pump and can drives oil pump running, and the other end and line shaft are connected.
5. the testing apparatus of a kind of lubricating pump of automobile according to claim 1 and 2, is characterized in that, the end of described line shaft offers counterbore, on described coupling shaft, offers boss, and described boss mutually mates with counterbore and can transmitting torque.
6. the testing apparatus of a kind of lubricating pump of automobile according to claim 1 and 2, it is characterized in that, described pipe-line system is also provided with flowmeter, in the import of oil pump, be connected with filter by conduit, described filter is arranged in fuel tank, on described machine oil delivery side of pump, be connected with respectively temperature transducer, pressure transducer, manual modulation valve and flowmeter by conduit, be also provided with filter on described flowmeter, the outlet end of described flowmeter is also provided with the pipeline that is communicated to fuel tank.
7. the testing apparatus of a kind of lubricating pump of automobile according to claim 6, is characterized in that, is also provided with safety return-flow valve in described pipe-line system, and the import of described safety return-flow valve and outlet are connected respectively on the pipeline of oil pump import and outlet.
8. the testing apparatus of a kind of lubricating pump of automobile according to claim 7, it is characterized in that, on described pipeline, be connected with the first run, the second run, the 3rd run and the 4th run in turn, the profile of described the first run is " 5 " font showing on nixie tube, on described the first run, the residing plane of axis is the first plane, its one end is connected to flowmeter, the outlet of the other end is connected to safety return-flow valve, on described the first run, be provided with three-way interface, described the second run is connected to three-way interface; Described the second run is L-shaped, and the residing plane of its axis is the second plane, and described the second plane is perpendicular to the first plane, and the outlet of described the second run is connected with elbow; Described the 3rd run is L-shaped, and the residing plane of axis is the 3rd plane and perpendicular to the first plane and the second plane, one end of described the 3rd run is connected on elbow, and the other end is connected to the 4th run; Described the 4th run is " J " shape, and the residing plane of axis is Siping City's face, and described Siping City face and the first plane and the 3rd Plane intersects are angled, and the outlet of the 4th run is connected in oil pump.
9. the testing apparatus of a kind of lubricating pump of automobile according to claim 1 and 2, it is characterized in that, in described fuel tank, be also provided with temperature controlling device and be connected to the temperature transducer on temperature controlling device, described temperature transducer test oil liquid temp also feeds back to data presentation system.
10. the testing apparatus of a kind of lubricating pump of automobile according to claim 9, it is characterized in that, in described frame, be provided with control panel, described data presentation system is arranged on control panel, described data presentation system comprises temp controlled meter, tachometer, timer and flow instrument, described temp controlled meter connects temperature controlling device and shows and control oil liquid temperature, tachometer shows the rotating speed of exporting in power system, described flow instrument shows the data on flows in pipeline, and described timer record oil pump is moved the test time in each stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101616.8A CN103953534B (en) | 2014-03-19 | 2014-03-19 | A kind of test device of lubricating pump of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101616.8A CN103953534B (en) | 2014-03-19 | 2014-03-19 | A kind of test device of lubricating pump of automobile |
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| Publication Number | Publication Date |
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| CN103953534A true CN103953534A (en) | 2014-07-30 |
| CN103953534B CN103953534B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410101616.8A Expired - Fee Related CN103953534B (en) | 2014-03-19 | 2014-03-19 | A kind of test device of lubricating pump of automobile |
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Cited By (6)
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| CN105510041A (en) * | 2015-12-14 | 2016-04-20 | 中国北方发动机研究所(天津) | Novel pipeline applied to water flow test stand |
| CN108181109A (en) * | 2017-12-30 | 2018-06-19 | 天津曼科科技有限公司 | A kind of oil pump performance tests system |
| CN109026645A (en) * | 2018-07-31 | 2018-12-18 | 天津航天瑞莱科技有限公司 | A kind of integrated environment test system pumping class product |
| CN114962247A (en) * | 2022-07-19 | 2022-08-30 | 宝克(中国)测试设备有限公司 | Passenger vehicle oil pump testing system and testing method |
| CN116971980A (en) * | 2023-09-20 | 2023-10-31 | 上海一觅自动化科技有限公司 | Electronic oil pump performance testing device |
| CN107843720B (en) * | 2017-12-19 | 2024-03-22 | 天津大学 | Vertical underwater undulating track oil overflow port simulation test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107843720B (en) * | 2017-12-19 | 2024-03-22 | 天津大学 | Vertical underwater undulating track oil overflow port simulation test device |
| CN108181109A (en) * | 2017-12-30 | 2018-06-19 | 天津曼科科技有限公司 | A kind of oil pump performance tests system |
| CN109026645A (en) * | 2018-07-31 | 2018-12-18 | 天津航天瑞莱科技有限公司 | A kind of integrated environment test system pumping class product |
| CN114962247A (en) * | 2022-07-19 | 2022-08-30 | 宝克(中国)测试设备有限公司 | Passenger vehicle oil pump testing system and testing method |
| CN116971980A (en) * | 2023-09-20 | 2023-10-31 | 上海一觅自动化科技有限公司 | Electronic oil pump performance testing device |
| CN116971980B (en) * | 2023-09-20 | 2023-11-28 | 上海一觅自动化科技有限公司 | Electronic oil pump performance testing device |
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