CN104048822B - It is injected back into oil pump, actuator comprehensive performance test bed - Google Patents
It is injected back into oil pump, actuator comprehensive performance test bed Download PDFInfo
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Abstract
The invention discloses one, to be injected back into oil pump, actuator comprehensive performance test bed, is arranged on experimental operation table including test operation platform, drive system and hydraulic system, drive system and hydraulic system, and drive system includes frequency conversion motor, shaft coupling and step-up gear；The present invention is according to product component test requirements document, and by testing surveyed parameter, whether checking note, scavenge oil pump performance and regulator performance meet the requirements, and checks that parts with frication pair work is the most normal by test simultaneously；And amphitypy is injected back into oil pump product and the test of amphitypy regulator product, be designed to one comprehensive performance test bed, hydraulic system is optimized, compact conformation, rationally distributed, cost-effective, reduce energy consumption.
Description
Technical field
The present invention relates to a kind of comprehensive performance test bed, especially relating to one, to be injected back into oil pump, actuator comprehensive performance test bed.
Background technology
Note, scavenge oil pump are the fuel feeding of interiors of products auxiliary, oil return system, the hydraulic energy source needed on the one hand filling pump provides to product, provide the lubricating oil needed for lubrication, cooling to product simultaneously；On the other hand the abnormal heating caused in lubricating oil for preventing interiors of products rotary part to be in and high-speed rotary part erosion failure, it is in the scavenge oil pump bottom product to be drawn back by the lubricating oil of enclosure interior, and dispelled the heat by the radiator that product is external, it is ensured that product normally works.
Note, scavenge oil pump parts are mainly made up of 3 set cycloid rotor pumps, and one of them is filling pump, and one is housing scavenge oil pump, and another is electromotor scavenge oil pump.Each pump is by the composition such as inner and outer Rotator, middle casing, point oil cap, drive shaft, trundle.
Actuator is the adjusting means of output of products rotating speed, its core be one with spring force, the hydraulic control valve interacted with centrifugal force, its function is: being arranged on the output speed of the centrifugal-block sensitive product that rotary valve puts, produced centrifugal force interacts with spring force, so that centrifugal-block components drive spool, change the position of control valve, the pressure of regulation output hydraulic pressure oil, thus reach to control the output speed of Hydraulic Adjustable Speed actuator, make output of products rotating speed be maintained in certain scope.
Before using, filling pump, scavenge oil pump assembly to be carried out the running-in test of performance detection and parts, and actuator is carried out performance detection.According to product component test requirements document, by testing surveyed parameter, whether checking note, scavenge oil pump performance and regulator performance meet the requirements, and check that parts with frication pair work is the most normal by test simultaneously, use for Product Assembly.It is thus desirable to a experimental provision carries out verification experimental verification and adjustment to GP21 and YH-30 product centrifugal governor.
Summary of the invention
The technical problem to be solved is, the shortcoming overcoming prior art, it is provided that it is comprehensive performance test bed that one is injected back into oil pump, actuator, and this testing stand has simple in construction, cost is relatively low, easy to operate, use safety and the higher advantage of precision.
In order to solve above technical problem, it is comprehensive performance test bed that the present invention provides one to be injected back into oil pump, actuator, including test operation platform, drive system, it is injected back into oil pump hydraulic system and actuator hydraulic system, drive system and hydraulic system are arranged on experimental operation table, drive system includes the first frequency conversion motor, the second shaft coupling and step-up gear, and the power shaft of step-up gear is connected by the second shaft coupling and the first frequency conversion motor；
Main scavenge oil pump hydraulic system includes operating oil tank, it is provided with in operating oil tank and is injected back into oil pump and cooling pump, it is injected back into oil pump and cooling pump rotating shaft is co-axially mounted and is placed in below the pasta of operating oil tank, the input rotating shaft being injected back into oil pump is connected with step-up gear output shaft by the first shaft coupling, and the first shaft coupling is provided with the first speed probe；It is injected back into after the check valve of oil pump passes sequentially through the first coarse oil filter, the first turbine flowmeter and the first needle-like tap changer, fluid is returned in operating oil tank, formed and be injected back into oil pump loop；After cooling pump check valve successively passes sequentially through the second coarse oil filter, the second turbine flowmeter and the second needle-like tap changer, fluid is returned in operating oil tank, form cooling pump loop；Being communicated with the first stop valve bottom operating oil tank, the first stop valve connects the first flowline and communicates with lower fuel tank；The 4th coarse oil filter it is provided with in lower fuel tank, 4th coarse oil filter is arranged at below pasta, after 4th coarse oil filter is sequentially communicated the second stop valve, hydraulic pump, cooler, warmer, the 3rd coarse oil filter and essence oil filter by the road, being communicated to described operating oil tank bottom by tee T, another arm of tee T is connected with described actuator hydraulic system；
Actuator hydraulic system includes the first regulator tester and the second regulator tester, first actuator is to have an oil-in and the actuator of an oil return opening, second actuator is to have two oil-ins and the actuator of two oil return openings, first regulator tester includes the first actuator mounting seat, second frequency conversion motor, 3rd stop valve and the first oil tray, first oil tray reclaims the fluid that the first actuator oil return opening overflows bottom the first actuator mounting seat, the output shaft of the second frequency conversion motor and the power shaft of the first actuator mounting seat connect, on the power shaft of the first actuator mounting seat, the second speed probe is installed, the input that 3rd stop valve is arranged on described first actuator is connected and is connected to the tee T connected with operating oil tank；nullThe power shaft of the second actuator mounting seat and the 3rd frequency conversion motor connect，On the power shaft of the second actuator mounting seat, the 3rd speed probe is installed，Second actuator mounting seat is provided with two outfans and two inputs，Outfan is respectively g mouth and v mouth，Input is respectively a mouth and b mouth，A mouth and b mouth are respectively by being communicated on the pipeline between operating oil tank and the 3rd stop valve after the first electromagnetic valve and the second electromagnetic valve，The 6th pressure transducer measuring fill cup hydraulic and the second thermometer measuring actuator oil temperature it is additionally provided with on pipeline between operating oil tank and the 3rd stop valve，The 3rd electromagnetic valve it is also associated with between b mouth and the second electromagnetic valve，G mouth connects the 4th electromagnetic valve，And the outfan of the outfan of the 3rd electromagnetic valve and the 4th electromagnetic valve is connected to Cylindrical Gear Meter，V mouth connects the second flowline，The outfan of Cylindrical Gear Meter and the lower section of the second flowline are provided with the second oil tray，The fluid of recovery is returned to hydraulic pump by the first oil tray and the second oil tray.
The technical scheme that the present invention limits further is:
Aforementioned operation fuel tank bottom is also associated with the first thermometer.
The first pressure transducer and the second pressure transducer it has been also respectively connected with between aforementioned operation fuel tank and the first coarse oil filter, the second coarse oil filter.
The 4th stop valve, the 4th stop valve connection sample tap also it is communicated with between the aforementioned tee T being connected with operating oil tank and essence oil filter.
Fluid is cooled down by aforementioned cooler by electromagnetic water valve recirculated cooling water.
It is respectively equipped with measurement on aforementioned first regulator tester to have no progeny pressure and the 3rd pressure transducer of signal lights pressure and the 4th pressure transducer.
It is provided with between a mouth and first electromagnetic valve of aforementioned second regulator tester and measures the 5th pressure transducer controlling pressure.
Aforementioned regulator hydraulic system is additionally provided with proportional pressure control valve, and the input of proportional pressure control valve is connected to the 3rd stop valve and the first electromagnetic valve and the junction of the second electromagnetic valve, and the outfan of proportional pressure control valve is communicated to lower fuel tank, is returned in lower fuel tank by superfluous fluid.
Aforementioned main scavenge oil pump hydraulic system is additionally provided with energy pump, and the power shaft of hydraulic pump is connected with the output shaft of energy pump.
Further, in testing stand, the connection of all pipelines all uses flared joint, and the material of pipeline is rustless steel.
The invention has the beneficial effects as follows:
The present invention is according to product component test requirements document, and by testing surveyed parameter, whether checking note, scavenge oil pump performance and regulator performance meet the requirements, and checks that parts with frication pair work is the most normal by test simultaneously.
The present invention drives rotating speed and note, the output pressure of scavenge oil pump by regulation equipment, measures the flow exported under prescribed conditions, passes judgment on whether component capabilities meets the requirements.Simultaneously by the combination of each state driving rotating speed and parts output pressure of regulation equipment, make note, scavenge oil pump be operated in different states, reach the purpose of product running-in test.
The present invention can be according to product component test requirements document, and by testing surveyed parameter, whether basic function and the performance of checking speed regulator meet the requirements, and are adjusted the quiescent point of speed regulator simultaneously by test, use for Product Assembly.
The present invention by charge oil pressure in regulation equipment, and can regulate the driving rotating speed of speed regulator, adjusts speed regulator according to the control pressure of detection；After speed regulator has adjusted, control and detect the control pressure of speed regulator by the output speed of regulation speed regulator, and evaluate fundamental characteristics and the performance of speed regulator according to measured result.
Amphitypy is injected back into oil pump product and the test of amphitypy regulator product by the present invention, be designed to one comprehensive performance test bed, hydraulic system is optimized, compact conformation, rationally distributed, cost-effective, reduce energy consumption.
The present invention arranges the independent lubricating oil blood circulation with radiator and pipeline oil heating apparatus in systems, and when circulating pump works, pipeline oil is heated and could be heated, and is otherwise circuit self-locking, is worked by circulating pump simultaneously, also can reach to filter the purpose of fluid.Oil temperature is continuously adjustabe in the range of room temperature (depending on cooling water temperature) is to 140 DEG C, and control accuracy is in the range of ± 5 DEG C.
The present invention possesses the measurement of the basic parameters such as rotating speed, pressure, flow, temperature, and parameter display uses digital instrument, convenient directly perceived, facilitates operator to dismantle product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
nullReference: 1-operating oil tank、2-the first speed probe、3-the first shaft coupling、4-step-up gear、5-the first frequency conversion motor、6-the second shaft coupling、7-the first thermometer、8-the first stop valve、9-the first needle-like tap changer、10-the second needle-like tap changer、11-the first turbine flowmeter、12-the second turbine flowmeter、13-the second coarse oil filter、14-the first coarse oil filter、15-cooling pump、16-is injected back into oil pump、17-the first pressure transducer、18-the second pressure transducer、19-lower fuel tank、20-the 4th coarse oil filter、21-the second stop valve、22-electromagnetic water valve、23-energy pump、24-hydraulic pump、25-cooler、26-warmer、27-the 3rd coarse oil filter、28-essence oil filter、29-the 4th stop valve、30-the second speed probe、31-the second frequency conversion motor、32-the 4th pressure transducer、33-the 3rd pressure transducer、34-the first oil tray、35-the 3rd stop valve、36-the 3rd frequency conversion motor、37-the 3rd speed probe、38-the 5th pressure transducer、39-the first electromagnetic valve、40-the second electromagnetic valve、41-the 3rd electromagnetic valve、42-the 4th electromagnetic valve、43-Cylindrical Gear Meter、44-the second oil tray、45-proportional pressure control valve、46-the 6th pressure transducer、47-the second thermometer.
Detailed description of the invention
Embodiment 1
The one that the present embodiment provides is injected back into oil pump, actuator is comprehensive performance test bed, for testing YH30A, GP21 product is injected back into oil pump and regulator performance, structure is as shown in Figure 1, one is injected back into oil pump, actuator is comprehensive performance test bed, including test operation platform, drive system, it is injected back into oil pump hydraulic system and actuator hydraulic system, drive system and hydraulic system are arranged on experimental operation table, drive system includes the first frequency conversion motor 5, second shaft coupling 6 and step-up gear 4, the power shaft of step-up gear 4 is connected with the first frequency conversion motor 5 by the second shaft coupling 6；Experimental operation table is mainly used in that testing stand each several part power supply controls, controlled by trial product oil-in temperature, rotational speed regulation operation controls the display of (including frequency-variable controller) and product parameters (temperature, rotating speed, pressure, flow).
Main scavenge oil pump hydraulic system includes operating oil tank 1, it is provided with in operating oil tank 1 and is injected back into oil pump 16 and cooling pump 15, it is injected back into oil pump 16 and cooling pump 15 rotating shaft is co-axially mounted below the pasta being placed in operating oil tank 1, the input rotating shaft being injected back into oil pump 16 is connected with step-up gear 4 output shaft by the first shaft coupling 3, and the first shaft coupling 3 is provided with the first speed probe 2；It is injected back into after the check valve of oil pump 16 passes sequentially through first coarse oil filter the 14, first turbine flowmeter 11 and the first needle-like tap changer 9, fluid is returned in operating oil tank 1, formed and be injected back into oil pump loop；After cooling pump 15 check valve successively passes sequentially through second coarse oil filter the 13, second turbine flowmeter 12 and the second needle-like tap changer 10, fluid is returned in operating oil tank 1, form cooling pump loop；It has been also respectively connected with the first pressure transducer 17 and the second pressure transducer 18 between operating oil tank 1 and first coarse oil filter the 14, second coarse oil filter 13.Being communicated with the first stop valve 8 bottom operating oil tank 1, the first stop valve 8 connects the first flowline and communicates with lower fuel tank 19；The 4th coarse oil filter 20 it is provided with in lower fuel tank 10,4th coarse oil filter 20 is arranged at below pasta, after 4th coarse oil filter 20 is sequentially communicated the second stop valve 21, hydraulic pump 24, cooler 25, warmer the 26, the 3rd coarse oil filter 27 and essence oil filter 28 by the road, being communicated to described operating oil tank 1 bottom by tee T, another arm of tee T is connected with described actuator hydraulic system；Fluid is cooled down by cooler 25 by electromagnetic water valve 22 recirculated cooling water, main scavenge oil pump hydraulic system is additionally provided with energy pump 23, the power shaft of hydraulic pump 24 is connected with the output shaft of energy pump 23, also being communicated with the 4th stop valve 29 between the tee T and the essence oil filter 28 that are connected with operating oil tank 1, the 4th stop valve 29 connects sample tap；Operating oil tank 1 bottom is also associated with the first thermometer 7.
nullActuator hydraulic system includes the first regulator tester and the second regulator tester，YH30A tested respectively by first regulator tester and the second regulator tester、GP21 product，First actuator i.e. YH30A actuator，For having an oil-in and the actuator of an oil return opening，Second actuator i.e. GP21 actuator，For having two oil-ins and the actuator of two oil return openings，First regulator tester includes the first actuator mounting seat、Second frequency conversion motor 31、3rd stop valve 35 and the first oil tray 34，First oil tray 34 reclaims the fluid that the first actuator oil return opening overflows bottom the first actuator mounting seat，The output shaft of the second frequency conversion motor 31 and the power shaft of the first actuator mounting seat connect，Second speed probe 30 is installed on the power shaft of the first actuator mounting seat，The input that 3rd stop valve 35 is arranged on the first actuator is connected and is connected to the tee T connected with operating oil tank 1；The 3rd pressure transducer 33 and the 4th pressure transducer 32 measuring have no progeny pressure and signal lights pressure it is respectively equipped with on first regulator tester.nullPower shaft and the 3rd frequency conversion motor 36 of the second actuator mounting seat connect，On the power shaft of the second actuator mounting seat, the 3rd speed probe 37 is installed，Second actuator mounting seat is provided with two outfans and two inputs，Outfan is respectively g mouth and v mouth，Input is respectively a mouth and b mouth，A mouth and b mouth are respectively by being communicated on the pipeline between operating oil tank 1 and the 3rd stop valve 35 after the first electromagnetic valve 39 and the second electromagnetic valve 40，It is provided with between a mouth and first electromagnetic valve 39 of the second regulator tester and measures the 5th pressure transducer 38 controlling pressure，The 6th pressure transducer 46 measuring fill cup hydraulic and the second thermometer 47 measuring actuator oil temperature it is additionally provided with on pipeline between operating oil tank 1 and the 3rd stop valve 35，It is also associated with the 3rd electromagnetic valve 41 between b mouth and the second electromagnetic valve 40，G mouth connects the 4th electromagnetic valve 42，And the outfan of the outfan of the 3rd electromagnetic valve 41 and the 4th electromagnetic valve 42 is connected to Cylindrical Gear Meter 43，V mouth connects the second flowline，The outfan of Cylindrical Gear Meter 43 and the lower section of the second flowline are provided with the second oil tray 44，The fluid of recovery is returned to hydraulic pump 24 by the first oil tray 34 and the second oil tray 44.
In the present embodiment, actuator hydraulic system is additionally provided with proportional pressure control valve, the input of proportional pressure control valve is connected to the 3rd stop valve and the first electromagnetic valve and the junction of the second electromagnetic valve, and the outfan of proportional pressure control valve is communicated to lower fuel tank, is returned in lower fuel tank by superfluous fluid.In testing stand, the connection of all pipelines all uses flared joint, and the material of pipeline is rustless steel.
In the testing stand of the present embodiment, the connection of all pipelines all uses flared joint, and the material of pipeline is rustless steel.For ensuring against parts and Hydraulic Elements, unexpected abrasion and jam occur, it is ensured that the cleannes of system lubricating oil, oil system arranges the oil filter of 10 μ and 5 μ.Lubricating oil uses GJB 135A or GJB
The lubricating oil of 1263 code requirements；The dustiness of work fluid must be better than the requirement of 8 grades in GJB 420B.
The operation principle of the present embodiment is:
Before test, first being arranged in the frock in operating oil tank by trial product, by circulating pump, the fluid of lower fuel tank is transported in operating oil tank again, by driving rotating speed and note, the output pressure of scavenge oil pump of regulation equipment, measure the flow exported under prescribed conditions, pass judgment on whether component capabilities meets the requirements.Simultaneously by the combination of each state driving rotating speed and parts output pressure of regulation equipment, make note, scavenge oil pump be operated in different states, reach the purpose of product running-in test.By charge oil pressure in regulation equipment, and regulate the driving rotating speed of speed regulator, adjust speed regulator according to the control pressure of detection；After speed regulator has adjusted, control and detect the control pressure of speed regulator by the output speed of regulation speed regulator, and evaluate fundamental characteristics and the performance of speed regulator according to measured result.
Arranging the independent lubricating oil blood circulation with radiator and pipeline oil heating apparatus in systems, when circulating pump works, pipeline oil is heated and could be heated, and is otherwise circuit self-locking, is worked by circulating pump simultaneously, also can reach to filter the purpose of fluid.Oil temperature is continuously adjustabe in the range of room temperature (depending on cooling water temperature) is to 140 DEG C, and control accuracy is in the range of ± 5 DEG C.
After test, open the switch below operating oil tank, fluid is put back in lower fuel tank.
In addition to the implementation, the present invention can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.
Claims (10)
1. one kind to be injected back into oil pump, actuator comprehensive performance test bed, including test operation platform, drive system, it is injected back into oil pump hydraulic system and actuator hydraulic system, described drive system and hydraulic system are arranged on described test operation platform, described drive system includes the first frequency conversion motor, the second shaft coupling and step-up gear, and the power shaft of described step-up gear is connected by the second shaft coupling and the first frequency conversion motor；It is characterized in that:
The described oil pump hydraulic system that is injected back into includes operating oil tank, it is provided with in described operating oil tank and is injected back into oil pump and cooling pump, described it is injected back into oil pump and cooling pump rotating shaft is co-axially mounted and is placed in below the pasta of operating oil tank, the described input rotating shaft being injected back into oil pump is connected with step-up gear output shaft by the first shaft coupling, and described first shaft coupling is provided with the first speed probe；After the described check valve being injected back into oil pump passes sequentially through the first coarse oil filter, the first turbine flowmeter and the first needle-like tap changer, fluid is returned in operating oil tank, formed and be injected back into oil pump loop；After described cooling pump check valve successively passes sequentially through the second coarse oil filter, the second turbine flowmeter and the second needle-like tap changer, fluid is returned in operating oil tank, form cooling pump loop；Being communicated with the first stop valve bottom described operating oil tank, described first stop valve connects the first flowline and communicates with lower fuel tank；The 4th coarse oil filter it is provided with in described lower fuel tank, described 4th coarse oil filter is arranged at below pasta, after described 4th coarse oil filter is sequentially communicated the second stop valve, hydraulic pump, cooler, warmer, the 3rd coarse oil filter and essence oil filter by the road, being communicated to described operating oil tank bottom by tee T, another arm of described tee T is connected with described actuator hydraulic system；
Described actuator hydraulic system includes the first regulator tester and the second regulator tester, described first actuator is to have an oil-in and the actuator of an oil return opening, described second actuator is to have two oil-ins and the actuator of two oil return openings, described first regulator tester includes the first actuator mounting seat, second frequency conversion motor, 3rd stop valve and the first oil tray, described first oil tray reclaims the fluid that the first actuator oil return opening overflows bottom the first actuator mounting seat, the output shaft of described second frequency conversion motor is connected with the power shaft of described first actuator mounting seat, on the power shaft of described first actuator mounting seat, the second speed probe is installed, described 3rd stop valve is connected with the input of described first actuator mounting seat and is connected to the described tee T connected with operating oil tank；nullThe power shaft of described second actuator mounting seat and the 3rd frequency conversion motor connect，On the power shaft of described second actuator mounting seat, the 3rd speed probe is installed，Described second actuator mounting seat is provided with two outfans and two inputs，Described outfan is respectively g mouth and v mouth，Described input is respectively a mouth and b mouth，Described a mouth and b mouth are respectively by being communicated on the pipeline between described operating oil tank and the 3rd stop valve after the first electromagnetic valve and the second electromagnetic valve，The 6th pressure transducer measuring fill cup hydraulic and the second thermometer measuring actuator oil temperature it is additionally provided with on pipeline between described operating oil tank and the 3rd stop valve，It is also associated with the 3rd electromagnetic valve between described b mouth and the second electromagnetic valve，Described g mouth connects the 4th electromagnetic valve，And the outfan of described 3rd electromagnetic valve is connected to Cylindrical Gear Meter with the outfan of described 4th electromagnetic valve，Described v mouth connects the second flowline，The outfan of described Cylindrical Gear Meter and the lower section of described second flowline are provided with the second oil tray，The fluid of described recovery is returned to described hydraulic pump by described first oil tray and the second oil tray.
2. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that: described operating oil tank bottom is also associated with the first thermometer.
3. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that: be also respectively connected with the first pressure transducer and the second pressure transducer between described operating oil tank and the first coarse oil filter, the second coarse oil filter.
4. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that: be also communicated with the 4th stop valve, described 4th stop valve connection sample tap between the described tee T being connected with operating oil tank and essence oil filter.
5. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that: fluid is cooled down by described cooler by electromagnetic water valve recirculated cooling water.
6. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that: be respectively equipped with measurement on described first regulator tester and have no progeny pressure and the 3rd pressure transducer of signal lights pressure and the 4th pressure transducer.
7. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that: be provided with between a mouth and described first electromagnetic valve of described second regulator tester and measure the 5th pressure transducer controlling pressure.
8. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterized in that: described actuator hydraulic system is additionally provided with proportional pressure control valve, the input of described proportional pressure control valve is connected to the 3rd stop valve and the first electromagnetic valve and the junction of the second electromagnetic valve, the outfan of described proportional pressure control valve is communicated to described lower fuel tank, is returned in lower fuel tank by superfluous fluid.
9. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that being injected back into oil pump hydraulic system described in: and be additionally provided with energy pump, the power shaft of described hydraulic pump is connected with the output shaft of energy pump.
10. according to described in claim 1 to be injected back into oil pump, actuator comprehensive performance test bed, it is characterised in that: in testing stand, the connection of all pipelines all uses flared joint, and the material of pipeline is rustless steel.
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| CN201410307450.5A CN104048822B (en) | 2014-06-30 | 2014-06-30 | It is injected back into oil pump, actuator comprehensive performance test bed |
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| CN201410307450.5A CN104048822B (en) | 2014-06-30 | 2014-06-30 | It is injected back into oil pump, actuator comprehensive performance test bed |
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| CN104048822B true CN104048822B (en) | 2016-10-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106124189A (en) * | 2016-08-29 | 2016-11-16 | 中国人民解放军空军第航空学院 | Novel emergency oil pump detection device |
| CN109115480B (en) * | 2018-09-03 | 2020-04-28 | 湖北文理学院 | Fuel oil pump performance test system, method and main system |
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| US3942375A (en) * | 1974-10-11 | 1976-03-09 | Shepherd J D | Method and means for testing hydraulic pump |
| EP0492279A1 (en) * | 1990-12-20 | 1992-07-01 | Krupp Maschinentechnik Gesellschaft Mit Beschränkter Haftung | Measuring device for establishing characteristic magnitudes which display the working of hydraulic systems |
| CN102589860A (en) * | 2012-01-09 | 2012-07-18 | 中国人民解放军海军航空工程学院青岛分院 | Integrated testing system for aviation fuel accessories |
| CN203132827U (en) * | 2013-02-06 | 2013-08-14 | 珠海保税区摩天宇航空发动机维修有限公司 | Lubrication nozzle testing apparatus for engine bearing |
| CN204043892U (en) * | 2014-06-30 | 2014-12-24 | 南京创贝高速传动机械有限公司 | A kind of note dump pump, regulator are comprehensive performance test bed |
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2014
- 2014-06-30 CN CN201410307450.5A patent/CN104048822B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3942375A (en) * | 1974-10-11 | 1976-03-09 | Shepherd J D | Method and means for testing hydraulic pump |
| EP0492279A1 (en) * | 1990-12-20 | 1992-07-01 | Krupp Maschinentechnik Gesellschaft Mit Beschränkter Haftung | Measuring device for establishing characteristic magnitudes which display the working of hydraulic systems |
| CN102589860A (en) * | 2012-01-09 | 2012-07-18 | 中国人民解放军海军航空工程学院青岛分院 | Integrated testing system for aviation fuel accessories |
| CN203132827U (en) * | 2013-02-06 | 2013-08-14 | 珠海保税区摩天宇航空发动机维修有限公司 | Lubrication nozzle testing apparatus for engine bearing |
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| CN104048822A (en) | 2014-09-17 |
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