CN106124219A - A kind of assay device verifying oil pump function of having no progeny in lubricating oil and verification method - Google Patents
A kind of assay device verifying oil pump function of having no progeny in lubricating oil and verification method Download PDFInfo
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- CN106124219A CN106124219A CN201610374629.1A CN201610374629A CN106124219A CN 106124219 A CN106124219 A CN 106124219A CN 201610374629 A CN201610374629 A CN 201610374629A CN 106124219 A CN106124219 A CN 106124219A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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Abstract
The present invention relates to a kind of assay device verifying oil pump function of having no progeny in lubricating oil, the assay device of oil pump function of having no progeny in checking lubricating oil includes oil pump pilot system, connecting tube and two air valves；Two air valves are respectively normally opened air valve and normally closed air valve, by connecting tube, oil tank of heating in oil pump pilot system, metering oil tank and oil pump group are connected, normally opened air valve is set between metering oil tank and oil pump group, is provided with normally closed air valve with the also parallel connection of normally opened air valve and connects air.Also provide a kind of test method verifying oil pump function of having no progeny in lubricating oil, use the assay device of oil pump function of having no progeny in above-mentioned checking lubricating oil.A kind of assay device verifying oil pump function of having no progeny in lubricating oil of the present invention and verification method can effectively to oil pump oil-break after recover the performance of fuel feeding and verify, reduce the risk carrying out lubricating oil abort in complete machine test run, demonstrate the ability of oil pump, there is the plurality of advantages such as low, cost-effective, the practical convenient of risk.
Description
Technical field
The invention belongs to aero-gas turbine technical field, particularly relate to a kind of verify oil pump function of having no progeny in lubricating oil
Assay device and verification method.
Background technology
Aero gas turbine engine oil system is the important component part that gas-turbine unit is sent out in aviation, mainly holds
The lubrication work of the parts such as load the HP&LP Rotor fulcrum roller of electromotor, travelling gear.At present aero-engine maximum or
Intermediateness must possess lubricating oil and interrupt the ability of 30s, and needs to verify in complete machine test run.This is accomplished by oil pump
Commissioning process is stopping to each bearing bore fuel feeding of electromotor, suction air 30 seconds, testing the oil-break of engine bearing
Ability.After 30 seconds, oil pump should be able to recover engine oil immediately, otherwise will cause danger by an electromotor complete machine.
The most domestic lubricating oil abort is all that complete machine is tested in aero-engine, the most individually designed examination
Test device can normally recover fuel feeding carry out verification experimental verification to after newly developing oil pump suction air, there is bigger risk, once
Electromotor oil-break after 30 seconds oil pump can not recover fuel feeding, electromotor complete machine will be caused great danger, and oil pump oil-break
After can recover fuel feeding and not have clear and definite test method to verify at home.
Summary of the invention
It is an object of the invention to provide a kind of assay device verifying oil pump function of having no progeny in lubricating oil and verification method, use
In solving the problems referred to above.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of verify oil pump function of having no progeny in lubricating oil
Assay device, the assay device of oil pump function of having no progeny in described checking lubricating oil includes oil pump pilot system, connecting tube and two
Individual air valve；Wherein
Described oil pump pilot system includes heat oil tank, metering oil tank and oil pump group, described in heat oil tank use
In simulated engine bearing bore, described metering oil tank is used for simulated engine oil tank, described in heat oil tank and oil pump group
The port of export connect and between be provided with outlet gauge table and regulation valve, described in oil tank of heating be connected with the entrance point of oil pump group
Be provided with gate valve between and, described in oil tank of heating be connected with metering oil tank, be additionally provided with anti-suction in the exit of described metering oil tank
Rainbow device, described anti-suction rainbow device is for regulating the liquid level of metering oil tank；
Two air valves are respectively normally opened air valve and normally closed air valve, by described connecting tube by described heat oil tank and metering
Fuel tank connects, and is connected with the entrance point of oil pump group by described anti-suction rainbow device by described connecting tube, and fills at anti-suction rainbow
Putting and arrange normally opened air valve in the connecting tube being connected with the entrance point of oil pump group, described normally closed air valve is arranged in parallel with normally opened air valve
And and air communication.
Further, described connecting tube is flexible pipe.
Further, it is additionally provided with air air filter in described normally closed air valve connection air end.
Further, the filtering accuracy of described air air filter is 30 μm～70 μm.
Present invention also offers a kind of test method verifying oil pump function of having no progeny in lubricating oil, use such as claim 1-
The assay device of oil pump function of having no progeny in 4 arbitrary described checking lubricating oil, oil pump function of having no progeny in described checking lubricating oil
Test method includes
S1: install the assay device of oil pump function of having no progeny in described checking lubricating oil, in described checking lubricating oil before installing
Have no progeny the parts in the assay device of oil pump function and pipeline is carried out；
S2: start oil pump group, check the loop condition of the assay device of oil pump function of having no progeny in described checking lubricating oil；
S3: lubricating oil is heated up to engine operating temperature, oil tank of heating is forced into electromotor bearing bore under this state
Pressure, connecting tube repacking actual with electromotor length of pipe is consistent；
S4: add lubricating oil in metering oil tank, makes anti-siphon means and metering oil tank liquid level poor and in true environment
Anti-siphon means is poor consistent with motor oil case liquid level, and metering oil tank is forced into the actual pressure of motor oil case
Force value；
S5: oil pump group rotating speed is risen to electromotor real work rotating speed；
S6: regulate described regulation valve, makes described delivery gauge be shown as the actual charge oil pressure of electromotor；
S7: after described delivery gauge display numerical stability, carry out abort；
Normally closed air valve is opened, and moment closes described gate valve, starts simultaneously at timing, record described delivery gauge and decline
It is the time T1 of 0；
S8: stop after the timing n second, open normally opened air valve at once, simultaneously close off normally closed air valve；
S9: start again at timing, oil level T2 fall time in recording gauge masuring tank, delivery gauge recovers the registration time
T3, during delivery gauge display electromotor actual charge oil pressure, stopwatch stops timing and records time T4；
S10: open the regulation valve in described oil pump pilot system, simultaneously closes off normally opened air valve, in described checking lubricating oil
Test is stopped after the assay device of oil pump function of having no progeny is stable.
Further, n=30.
A kind of assay device verifying oil pump function of having no progeny in lubricating oil of the present invention and verification method are can be the most right
The performance recovering fuel feeding after oil pump oil-break is verified, reduces the risk carrying out lubricating oil abort in complete machine test run,
Demonstrate the ability of oil pump, there is the plurality of advantages such as low, cost-effective, the practical convenient of risk.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
Fig. 1 is the assay device schematic diagram verifying oil pump function of having no progeny in lubricating oil of one embodiment of the invention.
Fig. 2 is the motor oil pipeline repacking schematic diagram of one embodiment of the invention.
Detailed description of the invention
Clearer for the purpose making the present invention implement, technical scheme and advantage, below in conjunction with in the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, the most identical or class
As label represent same or similar element or there is the element of same or like function.Described embodiment is the present invention
A part of embodiment rather than whole embodiments.The embodiment described below with reference to accompanying drawing is exemplary type, it is intended to use
In explaining the present invention, and it is not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creation type work premise, broadly falls into the scope of protection of the invention.Under
Face combines accompanying drawing and is described in detail embodiments of the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of and describe the present invention and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that protect the present invention
The restriction of scope.
A kind of assay device verifying oil pump function of having no progeny in lubricating oil of the present invention includes oil pump pilot system, connection
Pipe and two air valves；
Wherein, oil pump pilot system includes heat oil tank, metering oil tank and oil pump group, and oil tank of heating is for mould
Sending out motivation bearing bore, metering oil tank is used for simulated engine oil tank, and oil tank of heating is connected with the port of export of oil pump group
Be provided with between and outlet gauge table and regulation valve, oil tank of heating be connected with the entrance point of oil pump group and between be provided with gate valve,
Oil tank of heating is connected with metering oil tank, is additionally provided with anti-suction rainbow device in the exit of metering oil tank, and anti-suction rainbow device is used for adjusting
The liquid level of joint metering oil tank.Additionally, oil pump pilot system also includes: source of the gas, gear speedup case, oil return line and some
Valve and valve flow meter etc., the oil pump pilot system of one embodiment of the invention as shown in Figure 1: oil pump pilot system is by moving
Power-driven system, oil system, test steerable system form, and oil pump group are installed to gear speedup case, and connect corresponding
Oil feed line and return line, metering oil tank outlet is installed anti-siphon means and is kept consistent with real engine.
Oil pump pilot system Specifeca tion speeification is as follows:
Rotating speed: 0～15000rpm；
Power of motor: 15kw；
Oil temperature: room temperature～100 DEG C；
Lubricating oil: 4050 high-temperature nuclei lubricating oil.
1. the lube pipe introduction of electromotor time of day
Repacking oil tank of heating is to the pipeline between oil pump group, to realize breaking within the engine lubricating oil state fuel feeding pumping
Gas.Heating, oil tank installs two air valves to the pipeline between oil pump group: one is normally opened air valve, and another is normally closed
Air valve.Two air valves take the mode of parallel connection, are controlled with a button.Two air valve power-off during normal lubrication, normally opened gas
Valve is opened, and normally closed air valve is closed, it is ensured that lubricating oil fuel feeding；When interrupting lubricating oil fuel feeding, two air valves are energized simultaneously, and normally opened air valve closes
Closing, normally closed air valve is opened, lubricating oil failure of oil feed, and oil feed pump is bled.Additionally the air inlet below normally closed air valve adds one
Air air filter, filtering accuracy is 30 μm～70 μm, and the air air filter filtering accuracy in the present embodiment is 50 μm, in case lubricating oil interrupts
Time air in impurity be pumped in oil pump.It should be noted that connecting tube is flexible pipe.
2. simulated engine oil-break principle
The test device systematic schematic diagram of oil pump function of having no progeny in the checking lubricating oil of the present invention is as it is shown in figure 1, wherein empty
Line be connecting tube, valve K7 be normally opened air valve, valve K6 be normally closed air valve, by two fuel tank simulated engine real work shapes of design
State, wherein, warming oil tank simulated engine bearing bore, metering oil tank simulated engine oil tank, temperature-pressure can be carried out respectively
Simulation actual working state, and anti-siphon means is installed in metering oil tank outlet and engine oil system oil passage keeps one
Cause.Oil passage starts from warming oil tank oil suction, changes from metering oil tank oil suction by Valve controlling after oil-break, and oil return line is all the time from adding
Temperature fuel tank oil suction.
Anti-siphon means on anti-siphon means, with electromotor is installed at metering oil tank upper outlet relative altitude one is installed
Cause, it is ensured that the tank pressure liquid level after oil-break is consistent with actual working state.Oil pump group volunteer is regulated when starting working
Making rotating speed, normally closed air valve K6, normally opened air valve K7 are closed, and oil pump group is pumped from warming oil tank, regulation regulation valve
K11 makes charge oil pressure consistent with engine oil pressure, after delivery gauge P3 display numerical stability, carries out abort.Beat
Opening normally closed air valve K6, moment closing gate valve K5, now oil pump group stops oil pumping, only bleeds simulated engine from normally closed air valve K6
Oil-break state, opens normally opened air valve K7 at once after manual time-keeping 30S, simultaneously close off normally closed air valve K6, and now oil pump group is from meter
Masuring tank is pumped, observes whether metering oil tank oil level declines.Open gate valve K5, simultaneously close off normally opened air valve K7.Can complete
One circulation lubricating oil break simulation test.Test can be pressurizeed in metering oil tank and warming oil tank, simulated engine oil tank
Press with the chamber of bearing bore, make test simulation degree improve.
It addition, have no progeny in the checking lubricating oil of the present invention, the verification method of oil pump function, concretely comprises the following steps
Step 1: installation system as shown in Figure 1, preinstallation part and relevant spare part and pipeline should clean up；
Step 2: start oil pump group, checks the loop condition of system；
Step 3: lubricating oil is heated up to engine operating temperature, fuel tank is forced into this state engine bearing bore pressure, flexible pipe 1
A length of 1m, a length of 1.4m of flexible pipe 2 (i.e. hose length repacking actual with electromotor length of pipe is consistent)；
Step 4: to metering oil tank add lubricating oil, make anti-siphon means and oil tank liquid level difference in height and between engine liquid position
Difference in height is consistent, and is forced into motor oil case actual pressure value；
Step 5: oil pump group rotating speed is slowly increased to real work rotating speed；
Step 6: regulation regulation valve K11, makes delivery gauge P3 be shown as the actual charge oil pressure of electromotor；
Step 7: after delivery gauge P3 display numerical stability, carry out abort；
Normally closed air valve K6 is opened, moment closing gate valve K5, start simultaneously at manual time-keeping, record under delivery gauge P3
Reducing to the time T1 of 0, now oil pump stops from fuel tank oil suction, starts to aspirate air；
Step 8: stop timing after manual time-keeping 30S, open normally opened air valve K7 at once, simultaneously close off normally closed air valve K6, this
Time oil pump group from metering oil tank oil suction, consistent with electromotor actual working state, oil return line is all the time from warming oil tank oil suction, mould
Send out motivation bearing bore virtual condition；
Step 9: start again at timing, when recording gauge masuring tank oil level T2 fall time, delivery gauge P3 recover registration
Between T3, delivery gauge P3 when showing electromotor actual charge oil pressure stopwatch stop timing record time T4；
Step 10: open gate valve K5, simultaneously closes off normally opened air valve K7, stops, i.e. tested after system stability.
A kind of assay device verifying oil pump function of having no progeny in lubricating oil of the present invention and verification method are can be the most right
The performance recovering fuel feeding after oil pump oil-break is verified, reduces the risk carrying out lubricating oil abort in complete machine test run,
Demonstrate the ability of oil pump, there is the plurality of advantages such as low, cost-effective, the practical convenient of risk.
The above, the only optimum detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of described claim
Enclose and be as the criterion.
Claims (6)
1. the assay device verifying oil pump function of having no progeny in lubricating oil, it is characterised in that cunning of having no progeny in described checking lubricating oil
The assay device of oil pump function includes oil pump pilot system, connecting tube and two air valves；Wherein
Described oil pump pilot system includes heat oil tank, metering oil tank and oil pump group, described in heat oil tank for mould
Sending out motivation bearing bore, described metering oil tank is used for simulated engine oil tank, described in heat the going out of oil tank and oil pump group
Mouthful end connect and between be provided with outlet gauge table and regulation valve, described in oil tank of heating be connected and it with the entrance point of oil pump group
Between be provided with gate valve, described in oil tank of heating be connected with metering oil tank, be additionally provided with anti-suction rainbow dress in the exit of described metering oil tank
Putting, described anti-suction rainbow device is for regulating the liquid level of metering oil tank；
Two air valves are respectively normally opened air valve and normally closed air valve, by described connecting tube by described oil tank and the metering oil tank of heating
Connect, and by described connecting tube, described anti-suction rainbow device be connected with the entrance point of oil pump group, and at anti-suction rainbow device and
The connecting tube that the entrance point of oil pump group connects arranges normally opened air valve, described normally closed air valve and normally opened air valve be arranged in parallel and with
Air communication.
The assay device of oil pump function of having no progeny in checking lubricating oil the most according to claim 1, it is characterised in that described company
Adapter is flexible pipe.
The assay device of oil pump function of having no progeny in checking lubricating oil the most according to claim 1, it is characterised in that described
Normally closed air valve connection air end is additionally provided with air air filter.
The assay device of oil pump function of having no progeny in checking lubricating oil the most according to claim 3, it is characterised in that described sky
The filtering accuracy of gas air filter is 30 μm～70 μm.
5. verify in lubricating oil a test method for oil pump function of having no progeny, use the checking as described in claim 1-4 is arbitrary
The assay device of oil pump function of having no progeny in lubricating oil, it is characterised in that the test of oil pump function of having no progeny in described checking lubricating oil
Method includes
S1: install the assay device of oil pump function of having no progeny in described checking lubricating oil, has no progeny in described checking lubricating oil before installing
Parts and pipeline in the assay device of oil pump function are carried out；
S2: start oil pump group, check the loop condition of the assay device of oil pump function of having no progeny in described checking lubricating oil；
S3: lubricating oil is heated up to engine operating temperature, oil tank of heating is forced into electromotor bearing bore pressure under this state,
Connecting tube repacking actual with electromotor length of pipe is consistent；
S4: add lubricating oil in metering oil tank, makes anti-siphon means and anti-rainbow in metering oil tank liquid level difference and true environment
Inhale device poor consistent with motor oil case liquid level, and metering oil tank is forced into motor oil case actual pressure
Value；
S5: oil pump group rotating speed is risen to electromotor real work rotating speed；
S6: regulate described regulation valve, makes described delivery gauge be shown as the actual charge oil pressure of electromotor；
S7: after described delivery gauge display numerical stability, carry out abort；
Normally closed air valve is opened, and moment closes described gate valve, starts simultaneously at timing, records described delivery gauge and drop to 0
Time T1；
S8: stop after the timing n second, open normally opened air valve at once, simultaneously close off normally closed air valve；
S9: start again at timing, oil level T2 fall time in recording gauge masuring tank, delivery gauge recovers registration time T3, goes out
During mouth pressure table display electromotor actual charge oil pressure, stopwatch stops timing and records time T4；
S10: open the regulation valve in described oil pump pilot system, simultaneously closes off normally opened air valve, has no progeny in described checking lubricating oil
Test is stopped after the assay device of oil pump function is stable.
The test method of oil pump function of having no progeny in checking lubricating oil the most according to claim 5, it is characterised in that n=30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374629.1A CN106124219B (en) | 2016-05-31 | 2016-05-31 | A kind of experimental rig and verification method for verifying lubricating oil pumping function after lubricating oil interrupts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374629.1A CN106124219B (en) | 2016-05-31 | 2016-05-31 | A kind of experimental rig and verification method for verifying lubricating oil pumping function after lubricating oil interrupts |
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| CN106124219B CN106124219B (en) | 2018-12-11 |
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| CN108956148A (en) * | 2017-05-18 | 2018-12-07 | 中国航发湖南动力机械研究所 | Oil system is for oil return matching test device and method |
| CN110345060A (en) * | 2019-07-16 | 2019-10-18 | 中国航发沈阳发动机研究所 | A kind of lubricating oil pump group pilot system and test method |
| CN110361213A (en) * | 2019-07-16 | 2019-10-22 | 中国航发沈阳发动机研究所 | A kind of device and method for assessing gs-oil separator separating property |
| CN110376008A (en) * | 2019-07-16 | 2019-10-25 | 中国航发沈阳发动机研究所 | A kind of system and method for achievable high temperature and the test of low temperature lubricating oil pump group |
| CN110439799A (en) * | 2019-07-26 | 2019-11-12 | 九江七所精密机电科技有限公司 | A kind of aero-oil pump multi-function test stand |
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| CN113217364A (en) * | 2021-03-16 | 2021-08-06 | 中国航发哈尔滨东安发动机有限公司 | Plug-in type lubricating oil pump test driving system with oil return function |
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| CN108956148A (en) * | 2017-05-18 | 2018-12-07 | 中国航发湖南动力机械研究所 | Oil system is for oil return matching test device and method |
| CN110376008B (en) * | 2019-07-16 | 2021-05-28 | 中国航发沈阳发动机研究所 | System and method capable of realizing high-temperature and low-temperature lubricating oil pump set test |
| CN110345060A (en) * | 2019-07-16 | 2019-10-18 | 中国航发沈阳发动机研究所 | A kind of lubricating oil pump group pilot system and test method |
| CN110361213A (en) * | 2019-07-16 | 2019-10-22 | 中国航发沈阳发动机研究所 | A kind of device and method for assessing gs-oil separator separating property |
| CN110376008A (en) * | 2019-07-16 | 2019-10-25 | 中国航发沈阳发动机研究所 | A kind of system and method for achievable high temperature and the test of low temperature lubricating oil pump group |
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| CN110439799A (en) * | 2019-07-26 | 2019-11-12 | 九江七所精密机电科技有限公司 | A kind of aero-oil pump multi-function test stand |
| CN110987429B (en) * | 2019-12-09 | 2021-07-27 | 西安工业大学 | Low-speed helicopter bearing test device |
| CN110987429A (en) * | 2019-12-09 | 2020-04-10 | 西安工业大学 | Low-speed helicopter bearing test device |
| CN112557043A (en) * | 2020-11-26 | 2021-03-26 | 芜湖钻石航空发动机有限公司 | Testing device and testing method for oil cut of low-pressure oil duct of aircraft engine |
| CN113217364A (en) * | 2021-03-16 | 2021-08-06 | 中国航发哈尔滨东安发动机有限公司 | Plug-in type lubricating oil pump test driving system with oil return function |
| CN113109052A (en) * | 2021-04-12 | 2021-07-13 | 芜湖钻石航空发动机有限公司 | Aeroengine fuel cut-off test device |
| CN113721539A (en) * | 2021-08-24 | 2021-11-30 | 中国航发湖南动力机械研究所 | Automatic control system and method for aeroengine lubricating oil interruption test |
| CN113721539B (en) * | 2021-08-24 | 2022-12-13 | 中国航发湖南动力机械研究所 | Automatic control system and method for aeroengine lubricating oil interruption test |
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