CN107014620A - Measure the test method and experimental rig of eccentric contract lube use rate - Google Patents
Measure the test method and experimental rig of eccentric contract lube use rate Download PDFInfo
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- CN107014620A CN107014620A CN201710404505.8A CN201710404505A CN107014620A CN 107014620 A CN107014620 A CN 107014620A CN 201710404505 A CN201710404505 A CN 201710404505A CN 107014620 A CN107014620 A CN 107014620A
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- oil
- experimental rig
- chamber
- eccentric contract
- lubricating oil
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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
- G01M15/02—Details or accessories of testing apparatus
Abstract
The present invention discloses a kind of test method and experimental rig for measuring eccentric contract lube use rate, and experimental rig includes oil tank, chamber, fuel feeding simulated assembly, power simulated assembly, oil return component and measurement assembly；Chamber is connected by oil feed line and return line with oil tank respectively；Fuel feeding simulated assembly is located at oil feed line, and fuel feeding simulated assembly at least includes gear nozzle and oil fog generating apparatus, and lubricating oil is sprayed into chamber by gear nozzle, and lubricating oil and air are mixed into mist of oil and input chamber again by oil fog generating apparatus；Power simulated assembly is connected to eccentric contract, to drive eccentric contract to simulate its working condition in aero-engine；Oil return component is located at return line, the lubricating oil accumulated in chamber is transferred back into oil tank；Measurement assembly is located at oil tank, oil feed line and return line, to measure the consumption of lubricating oil.Invention, which is carried, can lift the accuracy measured lube use rate, can accurately reflect out the dynamic characteristic of eccentric contract.
Description
Technical field
The present invention relates to aero-engine technology field, consumed in particular to one kind measurement eccentric contract lubricating oil
The test method and experimental rig of amount.
Background technology
In the aero-engine course of work, spindle seal system obturage air can by sealing device enter lubricating oil system
System bearing bore, air blends to form oil gas with lubricating oil in bearing bore, if lubricating oil will be caused by allowing oil gas to be expelled directly out bearing bore
A large amount of consumption, therefore, eccentric contract is set with being needed in extraneous vent passage in bearing bore.
Eccentric contract is worked in the complex environment of biphase gas and liquid flow, and working condition is difficult to use numerical simulation, analyzes soft
Lube use rate that part is calculated and the degree of accuracy of characteristic and accuracy are still to be tested, it is therefore necessary to simulated using field test real
The working environment on border obtains lube use rate index and characteristic.
Because eccentric contract characteristic is difficult to test on the engine, component test need to be carried out to obtain.Different experiments
Scheme can produce considerable influence to its lube use rate and characteristic, and the test method of existing eccentric contract is mainly using static oil
Gas measuring method, i.e., the lubricating oil calculating of manually weighing again exported by collecting the eccentric contract in certain time is obtained, the party
Method can not effectively simulate the Oil-gas Separation recycle recovery of eccentric contract, and test period is limited and automatic by collection device
Change degree is low, manually operates the influence to result of the test larger, it is impossible to accurately reflect the dynamic characteristic of eccentric contract.
The content of the invention
A primary object of the present invention is to overcome at least one defect of above-mentioned prior art being capable of mould there is provided one kind
Intend the experimental rig of eccentric contract actual working environment.
Another main purpose of the present invention is to overcome at least one defect of above-mentioned prior art to be used there is provided one kind
Above-mentioned experimental rig enters the test method of the measurement eccentric contract lube use rate of Mobile state measurement.
To achieve the above object, the present invention is adopted the following technical scheme that：
According to an aspect of the present invention there is provided a kind of experimental rig, the eccentric contract for testing aero-engine
Lube use rate, wherein, the experimental rig include oil tank, chamber, fuel feeding simulated assembly, power simulated assembly, return
Oily component and measurement assembly；The oil tank is used to store the lubricating oil；The chamber is used to install the centrifugation ventilation
Device, the chamber is connected by oil feed line and return line with the oil tank respectively；The fuel feeding simulated assembly is located at
The oil feed line, the fuel feeding simulated assembly at least includes gear nozzle and oil fog generating apparatus, and the gear nozzle is by institute
State lubricating oil and spray into the chamber, the lubricating oil and air are mixed into mist of oil and input the experiment again by the oil fog generating apparatus
Case；The power simulated assembly is connected to the eccentric contract, to drive the eccentric contract to simulate it in the aviation
In-engine working condition；The oil return component is located at the return line, it will accumulate in the chamber described in
Lubricating oil is transferred back to the oil tank；The measurement assembly is located at the oil tank, oil feed line and return line, described to measure
The consumption of lubricating oil.
According to one of embodiment of the present invention, the experimental rig also includes warming oil tank and/or filter；Institute
State warming oil tank and be connected to the oil tank, being delivered to the fuel feeding again after the lubricating oil heating that the oil tank is exported simulates
Component；The filter is located at the oil feed line and is adjacent to the oil tank, with the cunning exported to the oil tank
Oil is filtered.
According to one of embodiment of the present invention, the chamber includes casing, spline shaft and driving cog
Wheel；The casing connects gear nozzle, oil fog generating apparatus and return line respectively；The spline drived is located in the case
In vivo and with the connection end for stretching out the casing, the connection end is connected in the power simulated assembly；It is described to pass
Moving gear is in the casing and transmission is matched between the spline shaft and the eccentric contract.
According to one of embodiment of the present invention, the oil fog generating apparatus is connected with air system, the air
System stores air, when the experimental rig works, the air is inputted into the oil fog generating apparatus, for the oil
The air and the lubricating oil are mixed into the mist of oil by mist generation device.
According to one of embodiment of the present invention, the power simulated assembly includes drive mechanism and speed increasing gear
Case；The drive mechanism is connected in the eccentric contract by the step-up gear.
According to one of embodiment of the present invention, the drive mechanism is frequency modulation motor；And/or, the power mould
Intending component also includes lubricating system, and the lubricating system is connected to the step-up gear.
According to one of embodiment of the present invention, the oil return component includes radiator；The radiator is located at institute
Return line is stated, to carry out radiating and cooling to the lubricating oil in the return line.
According to one of embodiment of the present invention, the experimental rig also includes control test acquisition system；It is described
Control test acquisition system is connected to the oil tank, fuel feeding simulated assembly, power simulated assembly, oil return component and survey
Component is measured, to control the oil tank, fuel feeding simulated assembly, power simulated assembly and the working condition of oil return component, together
When gather measurement assembly metrical information.
According to one of embodiment of the present invention, the experimental rig includes ventilation duct；The ventilation duct is connected to
The top of the oil tank and the top of the chamber.
According to another aspect of the present invention there is provided a kind of test method for measuring eccentric contract lube use rate, its
In, comprise the following steps：
Experimental rig, the experimental rig described in configuration embodiment of above are configured, and installs and treats in the chamber
The eccentric contract of test；
Fuel feeding is simulated, the lubricating oil and mist of oil are conveyed into the chamber using the fuel feeding simulated assembly；
Eccentric contract is simulated, the eccentric contract is driven using the power simulated assembly, simulates the centrifugation
Working condition of the ventilator in aero-engine；
Oil return, it is using the oil return component that the lubricating oil in the chamber is defeated after the eccentric contract is stopped
Return the oil tank；And
Lube use rate is measured, respectively before simulation fuel feeding and after oil return, measures described using the measurement assembly
Lubricating oil amount in oil tank, and draw by comparing calculation the lube use rate of the eccentric contract.
As shown from the above technical solution, the test method of measurement eccentric contract lube use rate proposed by the present invention and examination
The advantage and good effect of experiment device are：
Experimental rig proposed by the present invention, is simulated by the gear nozzle and oil fog generating apparatus of fuel feeding simulated assembly and centrifuged
Oil condition when ventilator works in aero-engine, and existed by the driving simulation eccentric contract of power simulated assembly
Dynamic environment when being worked in aero-engine, enabling the experimental rig, simultaneously and dynamically accurate simulation goes out eccentric contract
Various working conditions in aero-engine, and then the accuracy measured lube use rate is lifted, it can accurately reflect out
The dynamic characteristic of eccentric contract.
The test method of measurement eccentric contract lube use rate proposed by the present invention, by using examination proposed by the present invention
Experiment device, is that eccentric contract constructs the experimental enviroment for being substantial access to practical work state, is measured using the test method
The accuracy of lube use rate is higher, while the dynamic characteristic of eccentric contract can be accurately reflected out.
Brief description of the drawings
By being considered in conjunction with the accompanying the following detailed description to the preferred embodiment of the present invention, various mesh of the invention
Mark, feature and advantage will become apparent.Accompanying drawing is only the exemplary diagram of the present invention, is not necessarily to paint in proportion
System.In the accompanying drawings, same reference represents same or similar part all the time.Wherein：
Fig. 1 is a kind of system schematic of experimental rig according to an illustrative embodiments；
Fig. 2 is the structural representation of the chamber of the experimental rig shown in Fig. 1.
Wherein, description of reference numerals is as follows：
100. eccentric contract；210. oil tank；211. oil feed pump；212. filter；213. warming oil tank；220. experiment
Case；221. casing；222. spline shaft；223. travelling gear；224. installation axle；225. fog exhaust pipe；231. gear nozzles；
232. oil fog generating apparatus；2321. air system；241. frequency modulation motor；242. step-up gear；243. lubricating system；251.
Scavenge oil pump；252. radiator；261. oil feed line；2611. tie point；2612. the second branch road；2613. the 3rd branch roads；262.
Return line；270. control test acquisition systems；280. ventilation duct；SV1. magnetic valve；SV2. magnetic valve；GV. ball valve；L. liquid level
Meter；T1. temperature transmitter；T2. temperature transmitter；T3. temperature transmitter；P1. pressure transmitter；P2. pressure transmitter；P3.
Pressure transmitter；P4. pressure transmitter；QF. mass flowmenter.
Embodiment
Embodying the exemplary embodiments of feature of present invention and advantage will describe in detail in the following description.It should be understood that this
Invention can have various changes in different embodiments, and it is neither departed from the scope of the present invention, and it is therein explanation and
Accompanying drawing is inherently illustrative, and is not used to the limitation present invention.
In being described below the different illustrative embodiments to the present invention, carry out referring to the drawings, the accompanying drawing is formed
The part of the present invention, and the different exemplary knots that many aspects of the present invention can be achieved wherein are shown by way of example
Structure, system and step.It should be understood that other specified schemes of part, structure, exemplary means, system and step can be used, and
And structural and functional modification can be carried out without departing from the scope of the invention.And, although it can be used in this specification
Term " top ", " bottom ", " between " etc. the different example features and element of the present invention are described, but these terms are used for
Herein merely for convenient, for example with reference to the accompanying drawings described in example direction.Any content in this specification should not all be managed
Solve and just fallen within the scope of the present invention for the specific three dimensional direction of Structure of need.
Experimental rig embodiment
Refering to Fig. 1, the system signal for the experimental rig that can embody the principle of the present invention is representatively illustrated in Fig. 1
Figure.In the illustrative embodiments, experimental rig proposed by the present invention is to measure the examination of the lube use rate of Devices to test
Test exemplified by equipment, further, illustrated exemplified by measuring the testing equipment of the lube use rate of centrifugation draft fan.This
Art personnel it is easily understood that be by the experimental rig be applied to measure other Devices to tests lube use rate, or
Device under test carries out other kinds of measurement, and following embodiments is made and a variety of retrofit, add, substituting, deleting
Remove or other changes, these changes are still in the range of the principle of experimental rig proposed by the present invention.
As shown in figure 1, in the present embodiment, experimental rig proposed by the present invention can be used in testing aero-engine
The lube use rate of eccentric contract 100.Wherein, experimental rig proposed by the present invention mainly includes oil tank 210, chamber
220th, fuel feeding simulated assembly, power simulated assembly, oil return component, measurement assembly, control test acquisition system 270, ventilation duct
280th, related valve group and other auxiliary pipings etc..It is exemplary to the one of experimental rig proposed by the present invention below in conjunction with accompanying drawing
Embodiment is described in detail.
As shown in figure 1, in the present embodiment, oil tank 210 is used to store lubricating oil, and chamber 220 is used to install to be measured
The eccentric contract 100 of examination, and chamber 220 is connected by oil feed line 261 and return line 262 with oil tank 210 respectively,
So as to form the loop of fuel feeding and oil return between chamber 220 and oil tank 210.In addition, ventilation duct 280 is connected to oil tank
210 top and the top of chamber 220, to provide ventilation function.Fuel feeding simulated assembly is located at oil feed line 261, and at least
Including gear nozzle 231 and oil fog generating apparatus 232, gear nozzle 231 is used to lubricating oil spraying into chamber 220, and mist of oil occurs
Device 232 then inputs chamber 220 again for lubricating oil and air to be mixed into mist of oil.Power simulated assembly is connected to centrifugation ventilation
Device 100, for driving eccentric contract 100 to simulate its working condition in aero-engine.Oil return component is located at oil return pipe
Road 262, the lubricating oil accumulated in chamber 220 is transferred back into oil tank 210.Measurement assembly includes the measurement member of multiple species
Part, is respectively arranged on oil tank 210, oil feed line 261 and return line 262 etc., the consumption to measure lubricating oil, while comprehensive
Close the required physical message of each device, element or conduit positions in the system circuit of detection control apparatus.
As shown in figure 1, in the present embodiment, oil tank 210 is connected to chamber 220 by oil feed line 261, and,
Simulation fuel feeding component also includes the oil feed pump 211 and magnetic valve SV1 being arranged on oil feed line 261.Specifically, oil feed pump
211 close on the oil-out of oil tank 210, for providing the lubricating oil in oil feed line 261 conveying power.Magnetic valve is located at fuel feeding
Between pump 211 and chamber 220, for controlling opening and disconnecting for oil feed line 261.Wherein, oil feed line 261 passes through electricity
Part after magnet valve SV1 is divided into two fuel feeding branch roads, the i.e. branch road 2612 of tie point 2611 and second, this two fuel feeding branch roads
It is connected to chamber 220.Also, gear nozzle 231 is arranged in tie point 2611, with by tie point 2611 to
The lubrication delivery of gear nozzle 231, and sprayed into lubricating oil in chamber 220 using gear nozzle 231, it is eccentric contract 100
Friction pair provides the lubricating oil of authorized pressure, temperature and flow.The atomizer of gear nozzle 231 can be directly protruding into chamber 220, also
Chamber 220 can be stretched into by tie point 2611 indirectly.Oil fog generating apparatus 232 is arranged on the second branch road 2612, with logical
Cross the second branch road 2612 and the lubricating oil of authorized pressure, temperature and flow is conveyed to oil fog generating apparatus 232, and utilize oil fog generator
Lubricating oil and air are mixed into after mist of oil and input chamber 220 again.Wherein, oil fog generating apparatus 232 can be different by setting
Pneumatic nozzle and regulation air and oil flow the means such as ratio, to obtain the oil of various concentrations and particle diameter distribution
Mist.
Furthermore, it is contemplated that the working environment and the physical characteristic of lubricating oil and mist of oil of centrifugation draft fan, oil fog generating apparatus 232
The position that (or second branch road 2612) is connected to chamber 220 should be higher than that gear nozzle 231 (or tie point 2611) is connected to
The position of chamber 220.
Further, as shown in figure 1, in the present embodiment, simulation fuel feeding component also includes air system 2321, uses
In clean, the dry air that atomization lubricating oil is provided for oil fog generating apparatus 232.Specifically, the air system 2321 is stored up
There is air and is connected to oil fog generating apparatus 232.When experimental rig works, air system 2321 can be by the air of storage
Oil fog generating apparatus 232 is inputted, so that air and lubricating oil are mixed into the mist of oil needed for experiment by oil fog generating apparatus 232.Wherein,
Connection air system 2321 and the pipeline of oil fog generating apparatus 232 can be divided into two-way (i.e. air is divided into two-way), wherein empty all the way
Gas is supplied to the atomizer positioned at the center of oil fog generating apparatus 232, and the radial direction of air from oil fog generating apparatus 232 is entered all the way in addition
Enter and uniform mist of oil is formed after the mist of oil blending that an annular chamber sprays with atomizer again, and pass through the connection oil on casing 221
The joint of mist generation device 232 is supplied in casing 221.
Further, as shown in figure 1, in the present embodiment, being additionally provided with and connecting with oil tank 210 on oil feed line 261
The warming oil tank 213 connect.Specifically, warming oil tank 213 be located at oil tank 210 and magnetic valve SV1 (i.e. gear nozzle 231 and
Oil fog generating apparatus 232) between, it is delivered to again after the heating of its lubricating oil that can export oil tank 210 for the He of gear nozzle 231
Oil fog generating apparatus 232.In other embodiments, according to different experiment demands, above-mentioned warming oil tank can be also not provided with
213.Also, in the present embodiment, oil feed line 261 also includes the 3rd branch road 2613, and it is arranged as on oil feed line 261
The pipeline structure in parallel with warming oil tank 213, and the 3rd branch road 2613 is provided with ball valve GV, to pass through the 3rd branch road 2613
Open and disconnect be respectively cooperating with warming oil tank 213 deactivation and enable.
Further, as shown in figure 1, in the present embodiment, filter 212 is additionally provided with oil feed line 261.Specifically
For, filter 212 is located at the position for the oil-out for closing on oil tank 210, to be carried out to the lubricating oil that oil tank 210 is exported
Filter.
Coordinate and refer to Fig. 2, it representatively illustrates the chamber 220 for the experimental rig that can embody the principle of the invention
Structural representation, and the peace of each structure in chamber 220 and centrifugation draft fan to be measured is further represented in a cut-away fashion
Assembling structure.
With reference to shown in Fig. 1 and Fig. 2, in the present embodiment, chamber 220 mainly includes casing 221, spline shaft
222 and travelling gear 223.Specifically, casing 221, which is provided with, is respectively used to connection gear nozzle 231 and oil fog generating apparatus
232 joint.Spline shaft 222 is installed in rotation in casing 221 by bearing, and spline shaft 222 have stretch
For a connection end of casing 221.Travelling gear 223 is arranged in casing 221 and transmission is matched with spline shaft 222 respectively
With eccentric contract 100, it is connected with being formed between spline shaft 222 and eccentric contract 100.Wherein, power mould
Intend component drives spline shaft 222 to rotate by being connected with connection end, and travelling gear 223 is then by spline shaft 222
Rotation is transferred to eccentric contract 100, so as to realize driving of the power simulated assembly to eccentric contract 100.
Further, as shown in Fig. 2 in the present embodiment, being provided with installation axle 224 by bearing in casing 221, being used for
Eccentric contract 100 to be measured is installed, and installation axle 224 is driven with travelling gear 223 and coordinated.Accordingly, in present embodiment
Power transmission is substantially to be divulged information according to power simulated assembly → 222 → travelling gear of spline shaft, 223 → installation axle 224 → centrifugation
What the mode of device 100 was realized, but be not limited thereto.
Further, as shown in Fig. 2 in the present embodiment, casing 221 is additionally provided with fog exhaust pipe 225, the fog exhaust pipe 225
Corresponding to eccentric contract 100, the mist of oil in process of the test by eccentric contract 100 is discharged.
It should be noted that the above-mentioned explanation to chamber 220 is exemplary only, said structure design is it is intended that centrifugation
Ventilator 100 constructs the working space of a relative closure, and provides and power simulated assembly, fuel feeding simulated assembly, ventilation
Pipe 280 and return line 262 distinguish corresponding attachment structure.In other embodiments, the concrete structure of above-mentioned chamber 220
Also it can be adjusted flexibly according to experiment demand, spline shaft 222, travelling gear 223 (single gear or gear train) etc.,
It can be replaced, be not limited with present embodiment by other structures or element.
As shown in figure 1, in the present embodiment, power simulated assembly mainly includes drive mechanism and step-up gear 242.
Specifically, drive mechanism is connected in the connection end of spline shaft 222, and step-up gear 242 is arranged on drive mechanism
Between connection end, to carry out speedup, the driving for making power simulated assembly be simulated in process of the test to above-mentioned transmission process
Environment more truly meets the drive environment of eccentric contract 100 in aero-engine.Preferably, it is to adopt in present embodiment
With drive mechanism of the frequency modulation motor 241 as power simulated assembly, to be realized using the frequency modulation function of frequency modulation motor 241 to centrifugation
The simulation of the different driving environment of ventilator 100.
Further, as shown in figure 1, in the present embodiment, power simulated assembly also includes lubricating system 243.Specifically
For, the lubricating system 243 is connected to step-up gear 242, to provide the gear assembly in step-up gear 242 lubrication work(
Can, lift greasy property.
As shown in figure 1, in the present embodiment, oil return component mainly includes scavenge oil pump 251, radiator 252 and electromagnetism
Valve SV2.Specifically, scavenge oil pump 251 is used to provide the oil return in return line 262 conveying power.Radiator 252 is located at back
Between oil pump 251 and oil tank 210, for carrying out radiating and cooling to the oil return in return line 262.Magnetic valve SV2 is located at back
Between oil pump 251 and chamber 220, for controlling return line 262 to open and disconnecting.
As shown in figure 1, in the present embodiment, measurement assembly at least includes liquid level gauge, three temperature transmitters, four
Individual pressure transmitter and a mass flowmenter.Specifically, liquid level gauge L is arranged on oil tank 210, for measuring lubricating oil
The liquid level information of lubricating oil in case 210.Wherein, liquid level gauge includes the fluid level indicator of exact scale, can accurately reflect oil tank
Liquid level change and the corresponding relation of lubricating oil volume in 210, so as to measure the lubricating oil volume consumption of eccentric contract 100
Amount.Temperature transmitter T1 is layer adjacent on the oil feed line 261 of the oil-out of warming oil tank 213, in oil feed line 261
The heated fuel tank 213 of measurement heat after lubricating oil temperature information.Temperature transmitter T2 is layer adjacent to going out for chamber 220
On the return line 262 of hydraulic fluid port, the temperature information of the oil return for measuring the discharge of chamber 220.Temperature transmitter T3 is arranged on
On the return line 262 for the oil-out for closing on radiator 252, the temperature for measuring the oil return after the radiating and cooling of radiator 252
Spend information.Pressure transmitter P1 is located at the position roughly the same with temperature transmitter T1, the position for measuring oil feed line 261
The pressure information put.Pressure transmitter P2 is located in the tie point 2611 for the oil inlet for closing on gear nozzle 231, for measuring
The pressure information of tie point 2611.Pressure transmitter P3 is located at the second branch road 2612 of the oil inlet for closing on oil fog generator
On, the pressure information for measuring the second branch road 2612.Pressure transmitter P4 is preferably located in back on return line 262
Position between oil pump 251 and magnetic valve SV2, the pressure information for measuring return line 262.Mass flowmenter QF is located at confession
On oil pipe line 261, on the oil feed line 261 for being preferably located in proximity electromagnetic valve SV1 oil-out, entering first for measuring
The mass flow information of lubricating oil before the branch road 2612 (gear nozzle 231 and oil fog generator) of branch road 2611 and second.
It should be noted that in present embodiment above-mentioned each element of measurement assembly type, quantity and set location, be
In each component of experimental rig, pipeline annexation and the type selecting and arrangement carried out on the basis of experiment the considering of demand.At this
In the other embodiment of invention, different components, pipe-line layout design and the examination of different Devices to tests for experimental rig
Test demand, type, quantity and the set location of each element of measurement assembly can be adjusted flexibly, not using present embodiment as
Limit.
Based on each component of experimental rig and pipeline annexation in present embodiment, setting for above-mentioned measurement assembly is utilized
Meter, can relatively accurately measure the lube use rate in oil tank 210, that is, measure the lube use rate of centrifugation draft fan.Together
When, can be to experimental rig using each temperature transmitter, pressure transmitter, mass flowmenter or other possible measuring cells
The information such as temperature, pressure, the mass flow of each primary clustering or pipeline key position are acquired, and further improve the standard of experiment
True property and experimental data it is rich.
As shown in figure 1, in the present embodiment, control test acquisition system 270 refers to Universal electric control, test and number
According to the system of collection, it is connected to oil tank 210, fuel feeding simulated assembly, power simulated assembly, oil return component and measurement
Component, to control oil tank 210, fuel feeding simulated assembly, power simulated assembly and the working condition of oil return component, is adopted simultaneously
Collect the metrical information of measurement assembly.Specifically, by modes such as electrical connection or wireless connections, control test acquisition system 270
Can respectively to multiple devices such as warming oil tank 213, magnetic valve SV1, oil fog generator, air system 2321, magnetic valve SV2 or
Element carries out centralized Control, while the metrical information of each measuring cell of measurement assembly can be gathered, and can be according to different surveys
Measure information and produce corresponding control instruction.
Based in present embodiment to the explanation of each modular construction of experimental rig, annexation and pipe-line layout, the present invention
The experimentation of the experimental rig of proposition is substantially：
After on-test, first by controlling test acquisition system 270 to read liquid level gauge L (the liquid level instructions of oil tank 210
Device) on the liquid level of now lubricating oil that shows, be designated as h1.After experimental rig run unit time t (under lubricating oil liquid level has substantially
Drop), then the liquid level of the now lubricating oil shown on liquid level gauge L is read, it is designated as h2.Dropped to by calculating lubricating oil liquid level from h1
Lubricating oil volume V during h2, finally gives under regulation experimental condition, and the lubricating oil volume in the unit interval of eccentric contract 100 disappears
Consumption Δ V=V/t.
In summary, experimental rig proposed by the present invention, occurs by the gear nozzle 231 and mist of oil of fuel feeding simulated assembly
Oil condition when the simulation eccentric contract 100 of device 232 works in aero-engine, and pass through the drive of power simulated assembly
Dynamic model intends dynamic environment when eccentric contract 100 works in aero-engine, enables the experimental rig simultaneously and dynamically
Accurate simulation goes out various working conditions of the eccentric contract 100 in aero-engine, and then is lifted to lube use rate measurement
Accuracy, the dynamic characteristic of eccentric contract 100 can be accurately reflected out.
It should be noted here that the experimental rig for showing and describing in this manual in accompanying drawing is only that can use this hair
An example in many kinds of experimental rigs of bright principle.It should be clearly understood that the principle of the present invention is only limitted to absolutely not accompanying drawing
In show or this specification described in experimental rig any details or any part of experimental rig.
Measure the test method embodiment of eccentric contract lube use rate
Based on the above-mentioned exemplary illustration to experimental rig, measurement eccentric contract lubricating oil proposed by the present invention is disappeared below
One illustrative embodiments of the test method of consumption are described in detail.Wherein, measurement eccentric contract proposed by the present invention
The test method of lube use rate is mainly included the following steps that：
Experimental rig is configured, experimental rig proposed by the present invention is configured, and centrifugation to be tested is installed in chamber and is led to
Wind device；
Simulate fuel feeding, using fuel feeding simulated assembly into chamber lubrication delivery and mist of oil；
Eccentric contract is simulated, eccentric contract is driven using power simulated assembly, simulates eccentric contract in aviation
In-engine working condition；
Oil return, after eccentric contract is stopped, using oil return component by defeated time oil tank of the lubricating oil in chamber；And
Lube use rate is measured, respectively before simulation fuel feeding and after oil return, is measured using measurement assembly in oil tank
Lubricating oil amount, and draw by comparing calculation the lube use rate of eccentric contract.
In summary, the test method of measurement eccentric contract lube use rate proposed by the present invention, by using this hair
The experimental rig of bright proposition, is that eccentric contract constructs the experimental enviroment for being substantial access to practical work state, uses the experiment
The accuracy for the lube use rate that method is measured is higher, while the dynamic characteristic of eccentric contract can be accurately reflected out.
It should be noted here that the measurement eccentric contract lube use rate for showing and describing in this manual in accompanying drawing
Test method embodiment is only can be using an example in many kinds of test methods of the principle of the invention.It should understand
Ground understand, principle of the invention be only limitted to show in accompanying drawing absolutely not or this specification described in measurement eccentric contract lubricating oil disappear
Any details of the test method of consumption or any part of test method.
Experiment side that is described in detail above and/or illustrating measurement eccentric contract lube use rate proposed by the present invention
The illustrative embodiments of method and experimental rig.But embodiments of the present invention are not limited to particular implementation side as described herein
Formula, on the contrary, the part and/or step of each embodiment can be with other parts as described herein and/or steps
It is independent and be used separately.The each part and/or each step of one embodiment also can with other embodiment its
Its part and/or step are used in combination.Described here and/or diagram key element/part/is being introduced when waiting, is being used
Language " one ", " one " and " above-mentioned " etc. to represent to exist one or more elements/part/etc..Term "comprising", " bag
Include " and " having " to represent it is open be included look like and refer to that the key element/part/except listing waits it
It is outer also may be present other key element/part/etc..In addition, term " first ", " second " in claims and specification
" 3rd " etc. only uses as mark, is not the numerical limit to its object.
Although the examination according to different specific embodiments to measurement eccentric contract lube use rate proposed by the present invention
Proved recipe method and experimental rig are described, but it will be recognized by those skilled in the art can be in spirit and scope by the claims
The interior implementation to the present invention is modified.
Claims (10)
1. a kind of experimental rig, the lube use rate of the eccentric contract for testing aero-engine, it is characterised in that described
Experimental rig includes：
Oil tank, for storing the lubricating oil；
Chamber, for installing the eccentric contract, the chamber respectively by oil feed line and return line with it is described
Oil tank is connected；
Fuel feeding simulated assembly, located at the oil feed line, the fuel feeding simulated assembly at least includes gear nozzle and mist of oil occurs
The lubricating oil is sprayed into the chamber by device, the gear nozzle, and the oil fog generating apparatus mixes the lubricating oil and air
It is combined into mist of oil and inputs the chamber again；
Power simulated assembly, is connected to the eccentric contract, is sent out with driving the eccentric contract to simulate it in the aviation
Working condition in motivation；
Oil return component, located at the return line, the lubricating oil accumulated in the chamber is transferred back into the lubricating oil
Case；And
Measurement assembly, located at the oil tank, oil feed line and return line, to measure the consumption of the lubricating oil.
2. experimental rig according to claim 1, it is characterised in that also include：
Warming oil tank, is connected to the oil tank, and the fuel feeding is delivered to again after the lubricating oil heating that the oil tank is exported
Simulated assembly；And/or
Filter, located at the oil feed line and is adjacent to the oil tank, to enter to the lubricating oil that the oil tank is exported
Row filtering.
3. experimental rig according to claim 1, it is characterised in that the chamber includes：
Casing, connects gear nozzle, oil fog generating apparatus and return line respectively；
Spline shaft, in the casing and with the connection end for stretching out the casing, the connection end drive connection
In the power simulated assembly；And
Travelling gear, in the casing and transmission be matched between the spline shaft and the eccentric contract.
4. experimental rig according to claim 1, it is characterised in that the oil fog generating apparatus is connected with air system,
The air system stores air, so that when the experimental rig works, the air is inputted into the oil fog generating apparatus,
The air and the lubricating oil are mixed into the mist of oil for the oil fog generating apparatus.
5. experimental rig according to claim 1, it is characterised in that the power simulated assembly includes：
Drive mechanism and step-up gear, the drive mechanism are connected by the step-up gear and divulged information in the centrifugation
Device.
6. experimental rig according to claim 5, it is characterised in that the drive mechanism is frequency modulation motor；And/or, institute
Stating power simulated assembly also includes lubricating system, and the lubricating system is connected to the step-up gear.
7. experimental rig according to claim 1, it is characterised in that the oil return component includes：
Radiator, located at the return line, to carry out radiating and cooling to the lubricating oil in the return line.
8. the experimental rig according to any one of claim 1~7, it is characterised in that also include：
Control test acquisition system, is connected to the oil tank, fuel feeding simulated assembly, power simulated assembly, oil return component
And measurement assembly, to control the oil tank, fuel feeding simulated assembly, power simulated assembly and the work shape of oil return component
State, while gathering the metrical information of measurement assembly.
9. the experimental rig according to any one of claim 1~7, it is characterised in that also include：
Ventilation duct, is connected to the top of the oil tank and the top of the chamber.
10. a kind of test method for measuring eccentric contract lube use rate, it is characterised in that comprise the following steps：
Experimental rig is configured, the experimental rig as described in any one of claim 1~9 is configured, and installed in the chamber
Eccentric contract to be tested；
Fuel feeding is simulated, the lubricating oil and mist of oil are conveyed into the chamber using the fuel feeding simulated assembly；
Eccentric contract is simulated, the eccentric contract is driven using the power simulated assembly, the centrifugation ventilation is simulated
Working condition of the device in aero-engine；
Oil return, after the eccentric contract is stopped, using the oil return component by defeated time institute of the lubricating oil in the chamber
State oil tank；And
Lube use rate is measured, respectively before simulation fuel feeding and after oil return, the lubricating oil is measured using the measurement assembly
Lubricating oil amount in case, and draw by comparing calculation the lube use rate of the eccentric contract.
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| CN201710404505.8A CN107014620B (en) | 2017-06-01 | 2017-06-01 | Test method and test device for measuring lubricating oil consumption of centrifugal ventilator |
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| CN108918152A (en) * | 2018-05-18 | 2018-11-30 | 中国航发湖南动力机械研究所 | Aero Engine Testing device |
| CN108709728A (en) * | 2018-05-24 | 2018-10-26 | 中国航发湖南动力机械研究所 | Eccentric contract performance test apparatus |
| CN109341995B (en) * | 2018-11-22 | 2024-01-12 | 苏州苏试试验集团股份有限公司 | Automatic regulating system for hydraulic oil return flow of horizontal slipway of vibrating table |
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| CN112254971A (en) * | 2020-10-30 | 2021-01-22 | 中国航发沈阳发动机研究所 | Test system and method for simulating performance of ventilating bearing cavity of oil pump of aircraft engine |
| CN112304857A (en) * | 2020-12-02 | 2021-02-02 | 中船重工重庆液压机电有限公司 | Oil mist test device |
| CN113049238B (en) * | 2021-03-15 | 2022-06-07 | 中国航发沈阳发动机研究所 | Superspeed centrifugal ventilator performance test device |
| CN113049238A (en) * | 2021-03-15 | 2021-06-29 | 中国航发沈阳发动机研究所 | Superspeed centrifugal ventilator performance test device |
| CN113984363A (en) * | 2021-10-29 | 2022-01-28 | 哈尔滨工程大学 | Ventilator test platform, system and method |
| CN116858529A (en) * | 2023-07-19 | 2023-10-10 | 中南大学 | Aviation oil mist emergency lubrication experiment system and method |
| CN116858530A (en) * | 2023-07-19 | 2023-10-10 | 中南大学 | Helicopter transmission system oil mist emergency lubrication test system |
| CN116858530B (en) * | 2023-07-19 | 2024-01-09 | 中南大学 | Helicopter transmission system oil mist emergency lubrication test system |
| CN116858529B (en) * | 2023-07-19 | 2024-01-23 | 中南大学 | Aviation oil mist emergency lubrication experiment system and method |
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