CN110174268A - A kind of master subtracts oil cooler unit test device - Google Patents
A kind of master subtracts oil cooler unit test device Download PDFInfo
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- CN110174268A CN110174268A CN201910567802.3A CN201910567802A CN110174268A CN 110174268 A CN110174268 A CN 110174268A CN 201910567802 A CN201910567802 A CN 201910567802A CN 110174268 A CN110174268 A CN 110174268A
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- oil
- electric control
- control valve
- cooler unit
- oil cooler
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of masters to subtract oil cooler unit test device, a set of is suitable for the main test device for subtracting oil cooler unit test by being combined the heater, filter, electric control valve, manual modulation valve, electro spindle, recirculation blower, computer and the temperature sensor of test, pressure sensor, flowmeter, torque sensor etc. to be formed.The present invention can test master and subtract performance characteristics of oil cooler unit under the conditions of ground environment, i.e. performance envelope curve, adjust master automatically according to sets requirement in test process and subtract oil cooler unit revolving speed, oil flow and inlet temperature.The device abandons the disadvantage of manual control parameters, while meeting the test under each state, improves the accuracy and efficiency of test.
Description
Technical field
The invention belongs to airborne masters to subtract oil cooler unit the field of test technology, and it is cooling especially to subtract lubricating oil for airborne master
The test device of device.
Background technique
It is the attachment for aircraft drive system that master, which subtracts oil cooler unit, for being cooled down for main reducing gear lubricating oil, together
When transmitting tail pass power.At the development initial stage of product, supported due to lacking relevant measuring technology, the performance test of product becomes
A great problem.
There are some problems for existing test method, such as:
1, existing equipment can not performance test of whole analog equipments under actual condition.
2, existing experimental rig is that two experimental rigs slap together, cause it is main subtract oil cooler unit and need to test when
Inefficiency, and it is time-consuming and laborious.
3, drive apparatus is calculated when calculating master subtracts oil cooler unit consumption power according only to electro spindle electrical power,
Error is larger.
4, high temperature, rotation, noise can be led to the problem of when testing, there are security risks.
5, it is general purpose instrument for measuring flow, temperature, the instrument of pressure, does not have specificity, to cause to try
Test the unstable of data.
In summary problem, it is necessary to a set of more scientific, effective, practical test device is provided, to ensure meeting examination
Under the premise of testing condition, more accurately, conveniently, truly tested.
Summary of the invention
It is tested to solve the above problems, reaching in the case where requiring experimental condition, and the parameter of adjust automatically test point, it is right
The test parameters for meeting test requirements document is acquired and records, and the present invention provides a set of masters to subtract oil cooler unit test dress
It sets.
The present invention is achieved by following technical solution:
A kind of master subtracts oil cooler unit test device, including,
Actuator, the actuator include for driving the main motor for subtracting oil cooler unit rotation, motor and change
Frequency device is connected, and is provided with torque sensor on the output shaft of motor；
Lube pipe, the lube pipe include subtracting the oil outlet pipe that oil cooler unit oil outlet side is connect with master,
And subtract the oil return line that oil cooler unit oil inlet side is connect with master；
It is connected with first manual regulating valve, the 5th electric control valve, the 6th electric control valve in the oil outlet pipe in turn
With third filter, and the 5th electric control valve is in parallel with oil flow meter, first manual regulating valve and main subtracts that lubricating oil is cooling to be filled
It sets and is provided with pressure and temperature sensor between oil outlet side, third filter outlet side is connect with oil tank；
The oil return line include sequentially connected 6th filter, the 5th manual modulation valve, the second oil pump, check valve,
Include radiator branch, first filter and the second manual modulation valve of radiator, radiator branch and includes having heaters
Heater branch circuit parallel connection, the second manual modulation valve and main subtract are provided with pressure and temperature between oil cooler unit oil inlet side
Sensor is spent, the 6th filter is placed in oil tank；
Air circulation duct, air circulating umbilical road are connected with the first electric control valve, air flow meter, the in turn
Two electric control valves, circulating fan and primary heater, the first electric control valve input terminal and master subtract oil cooler unit air
Outlet side connection, and the first electric control valve input terminal and it is main subtract be provided between oil cooler unit air outlet slit side pressure and
Temperature sensor, the outlet end of primary heater subtract oil cooler unit air inlet side with master and connect, and primary heater
Outlet end and main subtract are provided with pressure and temperature sensor between oil cooler unit air inlet side, the second electric control valve and
It is additionally provided with air intlet pipeline between circulating fan, the 4th electric control valve is provided on air intlet pipeline.
Further, the radiator branch includes the 11st electric control valve and the 12nd motorized adjustment parallel with one another
Valve, the entrance side of the radiator are connect with the outlet end of the 11st electric control valve, the 12nd electric control valve.
Further, the heater branch includes the 9th electric control valve connecting with calorifier inlets side.
Further, air discharge duct road, air discharge are provided between the air flow meter and the second electric control valve
Third electric control valve is provided on pipeline.
Further, test device further includes the first lubricating oil oil return branch, and the first lubricating oil oil return branch is mainly by the tenth
Electric control valve and the 4th filter composition, the outlet side of the 4th filter are connect with oil tank, and the tenth electric control valve enters
Mouth side is connect with the entrance side of heater branch.
Further, test device further includes the second lubricating oil oil return branch, and the second lubricating oil oil return branch includes the 7th electricity
Dynamic regulating valve, the arrival end of the 7th electric control valve are connected with the arrival end of the second manual modulation valve, and outlet end and third filter
The entrance side of device connects.
Further, test device further includes the fuel-displaced branch of lubricating oil and third lubricating oil oil return branch, the fuel-displaced branch of lubricating oil
It is mainly made of sequentially connected oil tank, the first oil pump and the 13rd electric control valve, the 13rd electric control valve outlet end
It is connect with multiple bearing block oil inlets；The third lubricating oil oil return branch includes the 14th electric control valve and the 7th filter,
The arrival end of 14th electric control valve is connect with the oil outlet of multiple bearing blocks, the outlet side and heater branch of the 7th filter
The entrance side of the 9th electric control valve in road connects.
Further, test device further includes third manual modulation valve and the 4th manual modulation valve, third manual modulation valve
Arrival end is connect with the outlet end of the second manual modulation valve, and outlet end is connect with the outlet end of the first oil pump, and the 4th manually adjusts
The arrival end of valve is connect with the outlet end of the first oil pump, and outlet end is connect with the arrival end of the 9th electric control valve.
The test device operates the main oil cooler unit that subtracts by driving motor, by Frequency Converter Control dragging motor revolving speed
To meet test speed requirement, torque sensor then real-time monitoring torque and is converted into fan consumption power；By hydraulic pump frequency conversion
Device controls hydraulic revolution speed and adjusts electronic valve opening to meet the requirement of test oil flow, pressure, and simultaneity factor passes through
Heater heating power is adjusted to meet the requirement of test oil inlet temperature；By fan frequency converter and air heater power control
It makes and air quantity, wind-warm syndrome loop control can be achieved, the air stream for requiring temperature and flow is provided for product.System is automatically to each test point
It carries out detection and adjusts simultaneously acquisition and recording, qualified judgement is made whether to properties of product by the acquisition parameter of each test point.
Compared with the prior art, master described in the present apparatus subtracts oil cooler unit test device, has a characteristic that
1, the use of special air circulation system makes while making a service test, and meets its various state of temperature
With the simulation under flow, for provide in the process of product development it is various under the conditions of actual performance data foundation is provided.In addition, empty
Gas system can return to product import using the hot-air generated at product radiator module outlet, then after passing through circulating fan, this
While sample can both meet product air side inlet temperature, energy consumption and lifting test efficiency are substantially reduced.
2, the test for needing two equipment of script temporarily to build completion is made by integrated design, is now using an equipment
Can be achievable, greatly improve efficiency；In addition operation room is separated to testing equipment and installed additional monitoring system, ensure that operator
The safety of member.
3, Import computer carries out control record to sensor each in test and data, gets rid of original pure manually adjust
The disadvantage of parameters, so that every test input condition is accurately controlled.
Detailed description of the invention
Fig. 1 is that master subtracts oil cooler unit test principle figure in the present invention.
Specific embodiment
The invention will be further described with specific embodiment with reference to the accompanying drawing:
Mainly by system of subject, hydraulic system (lubricating oil), air circulation system, electrical equipment control system in test device structure
System, computer control system composition, structure principle chart are shown in attached drawing 1, operating condition and the important technological parameters such as table of test device
One and table two shown in.
Such as Fig. 1, a kind of master subtracts oil cooler unit test device, including actuator, and actuator includes for driving
The main motor for subtracting oil cooler unit rotation, motor are connected with frequency converter, are provided with torque sensor on the output shaft of motor；It is sliding
Oil pipe line, lube pipe include subtracting the oil outlet pipe that oil cooler unit oil outlet side is connect with master, and subtract lubricating oil with master
The oil return line of cooling device oil inlet side connection；It is connected with the 41, the 5th electricity of first manual regulating valve in oil outlet pipe in turn
Dynamic regulating valve 25, the 6th electric control valve 26 and third filter 53, and the 5th electric control valve 25 is in parallel with oil flow meter,
First manual regulating valve 41 and main subtract are provided with pressure and temperature sensor, third mistake between oil cooler unit oil outlet side
53 outlet side of filter is connect with oil tank；Oil return line include sequentially connected 6th filter 56, the 5th manual modulation valve 45,
Second oil pump 62, check valve, the radiator branch for including radiator, first filter 51, the second filter 52 and second-hand
Dynamic regulating valve 42, radiator branch and the heater branch circuit parallel connection comprising having heaters 32, the second manual modulation valve 42 subtract with master
Pressure and temperature sensor is provided between oil cooler unit oil inlet side, the 6th filter 56 is placed in oil tank；It is empty
Gas circulation line, air circulating umbilical road are connected with the first electric control valve 21, air flow meter, the second electric control valve in turn
22, circulating fan and primary heater 31,21 input terminal of the first electric control valve and master subtract oil cooler unit air outlet slit side
Connection, and 21 input terminal of the first electric control valve and main subtract are provided with pressure and temperature between oil cooler unit air outlet slit side
Sensor, the outlet end of primary heater 31 subtract oil cooler unit air inlet side with master and connect, and primary heater 31
Outlet end and main subtract are provided with pressure and temperature sensor between oil cooler unit air inlet side, the second electric control valve 22
It is additionally provided with air intlet pipeline between circulating fan, the 4th electric control valve 24 is provided on air intlet pipeline.Heat dissipation
Device branch include the 11st electric control valve 211 and the 12nd electric control valve 212 parallel with one another, the entrance side of radiator with
The outlet end connection of 11st electric control valve 211, the 12nd electric control valve 212.Heater branch include and heater 32
9th electric control valve 29 of entrance side connection.Air discharge duct is provided between air flow meter and the second electric control valve 22
Road, air discharge duct road are provided with third electric control valve 23.
Further, test device further include the first lubricating oil oil return branch, the second lubricating oil oil return branch, the fuel-displaced branch of lubricating oil,
Third lubricating oil oil return branch, third manual modulation valve 43 and the 4th manual modulation valve 44.First lubricating oil oil return branch mainly by according to
The tenth electric control valve 210, the 4th filter 54 and the 5th filter 55 composition of secondary connection, the outlet side of the 5th filter 55
It is connect with oil tank, the entrance side and 29 arrival end of the 9th electric control valve in heater branch of the tenth electric control valve 210
Connection.Second lubricating oil oil return branch includes the 7th electric control valve 27, and the arrival end of the 7th electric control valve 27 and second is manually
The arrival end of regulating valve 42 is connected, and outlet end is connect with the entrance side of third filter 53.The fuel-displaced branch of lubricating oil is mainly by successively
The oil tank of connection, the first oil pump 61 and the 13rd electric control valve 213 composition, 213 outlet end of the 13rd electric control valve with
Multiple bearing block oil inlet connections；Third lubricating oil oil return branch includes the 14th electric control valve 214, the 7th filter 57 and the
The arrival end of the 58, the 14th electric control valve 214 of eight filters is connect with the oil outlet of multiple bearing blocks, the 8th filter 58
Outlet side is connect with the arrival end of the 9th electric control valve 29 in heater branch.The arrival end of third manual modulation valve 43 with
The outlet end of second manual modulation valve 42 connects, and outlet end is connect with the outlet end of the first oil pump, the 4th manual modulation valve 44
Arrival end is connect with the outlet end of the first oil pump, and outlet end is connect with the arrival end of the 9th electric control valve 29.It should be noted that
It is that actually 1 fuel tank, the oil circuits of elements herein such as the 7th filter 57, the 8th filter 58 are two oil tanks shown in Fig. 1
In order to make to be located at the bearing block among product and dragging motor in oil lubrication dragging system, and the purposes of bearing block is because dragging
Dynamic motor, torque sensor, the distance of product three are longer, turn in order to ensure concentricity has installed lubrication bearing block additional as intermediate
It connects.
The testing process of test device is summarized as follows:
Lubricating oil: lubricating oil is extracted out by the 6th filter 56, the 5th manual modulation valve 45 from fuel tank by the second oil pump 62, then flowed
Through check valve from the 9th electric control valve 29, heater 32, first filter 51, the second filter 52, the second manual modulation valve
42 directions flow to product import, and (wherein the 11st electric control valve 211, the 12nd electric control valve 212 and radiator are for trying
Lubricating oil cooling after the completion of testing；Tenth electric control valve 210, the 4th filter 54, the 5th filter 55 and the 7th motorized adjustment
The branch of valve 27 is the adjusting branch for adjusting product oil inlet pressure, inlet temperature.) then lubricating oil by product idol from first
Fuel tank is flowed back in 41 direction of manual modulation valve.
Air: due to the aggregate that product is fan and radiator, product itself can be generated at air outlet slit along first
The air of 21 direction of electric control valve circulation；Air by the first electric control valve 21, from left to right circulate by direction, flows through the second electricity
Dynamic regulating valve 22, circulating fan, primary heater 31 finally arrive at the side-entrance of product air.Second electric control valve 22, third
Electric control valve 23, the 4th electric control valve 24 and circulating fan are to adjust the air index of product import and meet the requirements
Set by temperature, flow.
One test device groundwork condition of table
| Serial number | Project | Parameter |
| 1 | Operating ambient temperature | 0 DEG C~+55 DEG C |
| 2 | Working environment humidity | ≤ 90%RH |
| 3 | Supply voltage | AC 380V |
| 5 | Drag platform maximum speed | 5500r/min |
| 6 | Air maximum temperature | 100℃ |
| 7 | Air maximum flow | 9000m3/h |
| 8 | Lubricating oil pressure | 0~1MPa |
| 9 | Lubricating oil maximum stream flow | 270L/min |
| 10 | Lubricating oil maximum temperature | 180℃ |
Two test device important technological parameters of table
When experimental test, execute as steps described below:
1, main will to subtract oil cooler unit rack-mount, and is correspondingly connected with lubricating oil the import and export pipeline.
2, hydraulic by hydraulic pump Frequency Converter Control according to test demand inlet temperature set on computer, inlet pressure
Revolution speed and electronic valve opening is adjusted to meet the requirement of test oil flow, pressure, simultaneity factor is by adjusting heater
Heating power come meet test oil inlet temperature requirement.
3, after oil temperature reaches sets requirement value, according to tachometer value set on computer, driving motor makes to lead
Subtract oil cooler unit operating, by Frequency Converter Control dragging motor revolving speed to meet test speed requirement, torque sensor is then real
When monitoring torque and be converted into fan consumption power；Simultaneously by fan frequency converter and air heater power control realize air quantity,
Wind-warm syndrome loop control provides the air stream for requiring temperature and flow for product.
4, due to the fluctuation of temperature, cause product inlet temperature overproof, at this point, heater can be according to the public affairs of computer settings
Poor range carries out Automatic Power Adjust.
Claims (8)
1. a kind of master subtracts oil cooler unit test device, it is characterised in that: including,
Actuator, the actuator include for driving the main motor for subtracting oil cooler unit rotation, motor and frequency converter
It is connected, is provided with torque sensor on the output shaft of motor；
Lube pipe, the lube pipe include and lead the oil outlet pipe for subtracting oil cooler unit oil outlet side and connecting, and
With the main oil return line for subtracting oil cooler unit oil inlet side and connecting；
It is connected with first manual regulating valve, the 5th electric control valve, the 6th electric control valve and in the oil outlet pipe in turn
Three filters, and the 5th electric control valve is in parallel with oil flow meter, first manual regulating valve and the main oil cooler unit that subtracts are slided
Pressure and temperature sensor is provided between oil export side, third filter outlet side is connect with oil tank；
The oil return line includes sequentially connected 6th filter, the 5th manual modulation valve, the second oil pump, check valve, includes
There are radiator branch, first filter and the second manual modulation valve of radiator, radiator branch and adding comprising having heaters
Hot device branch circuit parallel connection, the second manual modulation valve and main subtract are provided with pressure and temperature biography between oil cooler unit oil inlet side
Sensor, the 6th filter are placed in oil tank；
Air circulation duct, the air circulating umbilical road are connected with the first electric control valve, air flow meter, the second electricity in turn
Dynamic regulating valve, circulating fan and primary heater, the first electric control valve input terminal and master subtract oil cooler unit air outlet slit
Side connection, and the first electric control valve input terminal and main subtract are provided with pressure and temperature between oil cooler unit air outlet slit side
Sensor, the outlet end of primary heater subtracts oil cooler unit air inlet side with master and connect, and the outlet of primary heater
End and main subtract are provided with pressure and temperature sensor between oil cooler unit air inlet side, the second electric control valve and circulation
It is additionally provided with air intlet pipeline between fan, the 4th electric control valve is provided on air intlet pipeline.
2. a kind of master according to claim 1 subtracts oil cooler unit test device, it is characterised in that: the radiator branch
Road includes the 11st electric control valve and the 12nd electric control valve parallel with one another, the entrance side of the radiator and the 11st
The outlet end connection of electric control valve, the 12nd electric control valve.
3. a kind of master according to claim 1 subtracts oil cooler unit test device, it is characterised in that: the heater branch
Road includes the 9th electric control valve connecting with calorifier inlets side.
4. a kind of master according to claim 1 subtracts oil cooler unit test device, it is characterised in that: the air mass flow
Air discharge duct road is provided between meter and the second electric control valve, air discharge duct road is provided with third electric control valve.
5. a kind of master according to claim 1 subtracts oil cooler unit test device, it is characterised in that: further include first sliding
Oily oil return branch, the first lubricating oil oil return branch are mainly made of the tenth electric control valve and the 4th filter, the 4th filtering
The outlet side of device is connect with oil tank, and the entrance side of the tenth electric control valve is connect with the entrance side of heater branch.
6. a kind of master according to claim 1 subtracts oil cooler unit test device, it is characterised in that: further include second sliding
Oily oil return branch, the second lubricating oil oil return branch include the 7th electric control valve, the arrival end of the 7th electric control valve and the
The arrival end of two manual modulation valves is connected, and outlet end is connect with the entrance side of third filter.
7. a kind of master according to claim 1 subtracts oil cooler unit test device, it is characterised in that: further include that lubricating oil goes out
Oily branch and third lubricating oil oil return branch, the fuel-displaced branch of lubricating oil is mainly by sequentially connected oil tank, the first oil pump and
13 electric control valves composition, the 13rd electric control valve outlet end is connect with multiple bearing block oil inlets；The third lubricating oil
Oil return branch includes the 14th electric control valve and the 7th filter, the arrival end and multiple bearing blocks of the 14th electric control valve
Oil outlet connection, the outlet side of the 7th filter connect with the entrance side of the 9th electric control valve in heater branch.
8. a kind of master according to claim 7 subtracts oil cooler unit test device, it is characterised in that: further include third hand
Dynamic regulating valve and the 4th manual modulation valve, the arrival end of third manual modulation valve are connect with the outlet end of the second manual modulation valve,
Outlet end is connect with the outlet end of the first oil pump, and the arrival end of the 4th manual modulation valve is connect with the outlet end of the first oil pump, out
Mouth end is connect with the arrival end of the 9th electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567802.3A CN110174268B (en) | 2019-06-27 | 2019-06-27 | Main lubricating oil cooling device testing device that subtracts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567802.3A CN110174268B (en) | 2019-06-27 | 2019-06-27 | Main lubricating oil cooling device testing device that subtracts |
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| CN110174268A true CN110174268A (en) | 2019-08-27 |
| CN110174268B CN110174268B (en) | 2020-10-16 |
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