CN108061624B - The air mass flow and seal tightness test platform and test method of aerial motor spare part - Google Patents
The air mass flow and seal tightness test platform and test method of aerial motor spare part Download PDFInfo
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- CN108061624B CN108061624B CN201711165031.2A CN201711165031A CN108061624B CN 108061624 B CN108061624 B CN 108061624B CN 201711165031 A CN201711165031 A CN 201711165031A CN 108061624 B CN108061624 B CN 108061624B
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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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 provides the air mass flows of aerial motor spare part and seal tightness test platform and test method, the air mass flow and seal tightness test platform of the aerial motor spare part include gas supply control system, it is pressurized gas storage system, regulating system, test macro and electric-control system, being pressurized humidity needed for gas storage system is used to that test gas will to be adjusted to by the factory building compressed air of gas supply control system entrance and being pressurized to pressure is that 16~20MPa is stored, regulating system will be for that will be that the compressed air of 16~20MPa carries out the adjustment of pressure and temperature from the humidity Pass Test required pressure of pressurization gas storage system, form humidity, the test gas that pressure and temperature Pass Test requires.The test method uses above-mentioned testing stand, and steps are as follows: test preparation, seal tightness test, air mass flow test.
Description
Technical field
The invention belongs to aerial motor spare part experimental rig and test method field, in particular to aero-engine is fired
The air mass flow of lubricating oil nozzle and cavity components and leak tightness test device and test method.
Background technique
According to the manufacture claim of aero-engine combustion lubricating oil nozzle and cavity components, assembly is completed or needs to carry out after processing
Seal tightness test and air mass flow test, for select qualified installation aero-engine fire lubricating oil nozzle and cavity components provide according to
According to.Especially aero-engine fires lubricating oil nozzle, not only needs to carry out it under different pressures cold state (test gas
Temperature is room temperature) sealing propertytest, it is also necessary to carrying out Warm status under different pressures to it, (test gas temperature is higher than
Room temperature) sealing propertytest, and the humidity of test gas need to be met the requirements.
About the air mass flow and seal tightness test of aero-engine combustion lubricating oil nozzle and cavity components, dedicated dress there is no
(equipment) is set, generallys use easy static pressure test platform to complete, cold state (test gas can only be carried out under certain pressure condition
Temperature is room temperature) seal tightness test and air mass flow test, it is difficult to it realizes and carries out hot and cold two states under the conditions of different pressures
Leakproofness and air mass flow test, and need to temporarily carry out pipeline combination when test operation, influence test efficiency.Therefore, it develops
It is exclusively used in the air mass flow of aero-engine combustion lubricating oil nozzle and cavity components and the dedicated unit (equipment) of seal tightness test
It is very necessary.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of air mass flows of aerial motor spare part
With seal tightness test platform and test method, humidity, pressure and temperature in order to Adjustment Tests gas slide aero-engine combustion
Oil burner nozzle and cavity components carry out the leakproofness and air mass flow test operation of hot and cold two states under the conditions of different pressures
Simplicity, test result is accurate and improves test efficiency.
The air mass flow of aerial motor spare part of the present invention includes: with seal tightness test platform
Control system is supplied, for being truncated or being connected factory building compressed air；
It is pressurized gas storage system, for the factory building compressed air entered by gas supply control system to be adjusted to test gas institute
Need humidity and be pressurized to pressure be 16~20MPa stored；
Regulating system, for that will be 16~20MPa's from the humidity Pass Test required pressure of pressurization gas storage system
Compressed air carries out the adjustment of pressure and temperature, forms humidity, the test gas that pressure and temperature Pass Test requires；
Test macro makes for connecting with detected aero-engine combustion lubricating oil nozzle or cavity components to be self-regulated
The test gas of system, which enters, is detected aero-engine combustion lubricating oil nozzle or the detection of being sealed property of cavity components, or makes
The test gas for carrying out self-adjusting system fires lubricating oil nozzle or cavity components progress air mass flow by being detected aero-engine
Detection；
Electric-control system, for controlling gas supply control system, pressurization gas storage system, shape locating for regulating system and test macro
State, and confess protected after the information of gas control system, pressurization gas storage system, regulating system and test macro is handled in the future
It deposits and shows.
The air mass flow and seal tightness test platform of aerial motor spare part of the present invention, a kind of specific structure are as follows:
The gas supply control system is successively gone here and there by gas source master control valve, gas source switch, first pressure gauge and air intake filter
Connection connects and composes；
The pressurization gas storage system includes absorption drier, the first pressure reducing valve, the first safety valve, the first air increasing gas
Pump, the second air increase air pump, first pressurization switch pump, second pressurization switch pump, high pressure gas cylinder, gas cylinder switch, second pressure gauge,
Second safety valve and the first air supply valve；The air inlet of the absorption drier is by pipe fitting and supplies the mistake in control system
The gas outlet of filter outlets connection, absorption drier is connect by pipe fitting with the work gas import that the first air increases air pump；Institute
The import for stating the first pressure reducing valve is connect by pipe fitting with the filter outlet supplied in control system, and the outlet of the first pressure reducing valve is logical
It crosses pipe fitting and is connect with the driving gas import that the first air increases air pump, the second air increasing air pump；First safety valve is mounted on company
The outlet and the first air for connecing the first pressure reducing valve increase on the pipe fitting of driving gas import of air pump；It is described first pressurization switch pump into
Mouth is connect by pipe fitting with the filter outlet supplied in control system, and the outlet of the first pressurization switch pump passes through pipe fitting and first
The first air guide import that air increases air pump is attached；The import of the second pressurization switch pump passes through pipe fitting and gas supply control system
In filter outlet connection, second pressurization switch pump outlet by pipe fitting and the second air increasing air pump first air guide import into
Row connection；The work gas outlet that first air increases air pump is connected by the work gas import that pipe fitting and the second air increase air pump
It connects, the work gas outlet that the second air increases air pump is connect by pipe fitting with the import that gas cylinder switchs；The outlet of the gas cylinder switch
Two branches are formed by pipe fitting, are connect respectively with the import of high pressure gas cylinder, second pressure gauge and the first air supply valve；Described
Two safety valves are mounted on the pipe fitting between the outlet and the first air supply valve import of connection gas cylinder switch；
The regulating system include the second pressure reducing valve, the 4th pressure sensor, main pressure regulator valve, third safety valve, heat exchanger,
Cooling-water machine, deflation pressure regulator valve and the second air supply valve；The import of second pressure reducing valve passes through in pipe fitting and pressurization gas storage system
The outlet of first air supply valve connects, and the outlet of the second pressure reducing valve is connected by the import of pipe fitting and main pressure regulator valve, and the described 4th
Pressure sensor is mounted on the pipe fitting of outlet and the main pressure regulator valve import of the second pressure reducing valve of connection；The outlet of the main pressure regulator valve
It is connected by the air inlet of pipe fitting and heat exchanger, heat exchanger gas outlet is connect by pipe fitting with the import of deflation pressure regulator valve, is deflated
The import connection that the outlet of pressure regulator valve passes through pipe fitting and the second air supply valve；The third safety valve is mounted on connection main pressure regulator valve
On the pipe fitting of outlet and heat exchanger air inlet, the water outlet of the cooling-water machine is connected by the water inlet of pipe fitting and heat exchanger；
The test macro is made of gas supply branch, first exhaust branch and second exhaust branch, and gas supply branch includes the
The import of flow meters, temperature sensor, first pressure sensor and air supply hose, the first flowmeter by pipe fitting and is adjusted
The outlet connection of second air supply valve in section system, the outlet of flowmeter are connected by the import of pipe fitting and air supply hose, gas supply
Air inlet of the outlet of hose for firing lubricating oil nozzle or cavity components with detected aero-engine is connect, temperature sensor
It is mounted on first pressure sensor on the pipe fitting of the outlet of connection first flowmeter and air supply hose import；First exhaust branch packet
Include first exhaust hose, first exhaust switch, second pressure sensor and second flowmeter, the import of the first exhaust hose
Gas outlet for firing lubricating oil nozzle or cavity components with detected aero-engine is connect, and the outlet of first exhaust hose is logical
It crosses pipe fitting and is connect with the import that first exhaust switchs, the outlet of first exhaust switch is connected by pipe fitting and second flowmeter import
It connects, the second pressure sensor is mounted on connection first exhaust switch outlet and the pipe fitting of second flowmeter import；Second
Exhaust branch includes second exhaust hose, second exhaust switch, third pressure sensor and third flowmeter, the second exhaust
The gas outlet that the import of hose is used to fire lubricating oil nozzle or cavity components with detected aero-engine is connect, and second exhaust is soft
The outlet of pipe is connect by pipe fitting with the import that second exhaust switchs, and the outlet of second exhaust switch passes through pipe fitting and third flow
Import connection is counted, the third pressure sensor is mounted on the pipe fitting of connection second exhaust switch outlet and third flowmeter import
On；
The electric-control system is mainly made of programmable logic controller (PLC).
In the air mass flow of above-mentioned aerial motor spare part and seal tightness test platform, in the pressurization gas storage system the
One air increases air pump, to increase air pump be that interlock type is connected in series to the second air, under the control of programmable logic controller (PLC), when operation
The first pressurization switch pump is first opened, the second pressurization switch pump is then turned on, could work normally.
The air mass flow and seal tightness test platform of above-mentioned aerial motor spare part, further include stage body, and the stage body is case
Body formula structure；Gas source master control valve, gas source switch, first pressure gauge and the air intake filter of the gas supply control system are mounted on
In stage body or on the control panel of stage body；The absorption drier of the pressurization gas storage system is mounted on except stage body, pressurization storage
First pressure reducing valve of gas system, the first safety valve, the first air increase air pump, the second air increases air pump, the first pressurization switch pump, the
Two pressurization switch pumps, high pressure gas cylinder, gas cylinder switch, second pressure gauge, the second safety valve and the first air supply valve are mounted on stage body
On interior or stage body control panel；Second pressure reducing valve of the regulating system, the 4th pressure sensor, main pressure regulator valve, third peace
Full valve, heat exchanger, deflation pressure regulator valve and the second air supply valve are mounted in stage body or on the control panel of stage body, regulating system
Cooling-water machine is mounted on except stage body；The device of the test macro supplied in branch, first exhaust branch and second exhaust branch
Part and component are mounted in stage body or on the control panel of stage body；The device and component of the electric-control system be mounted in stage body or
On the control panel of stage body.
The air mass flow and seal tightness test platform of above-mentioned aerial motor spare part, the gas source master control valve are manual ball
Valve；First air supply valve, main pressure regulator valve, deflation pressure regulator valve, the second air supply valve, first exhaust switch and second exhaust are opened
Pass is manual needle valve；The gas source switch, gas cylinder switch, the first pressurization switch pump, the second pressurization switch pump, the first decompression
Valve, the second pressure reducing valve, the first safety valve, the second safety valve and third safety valve are solenoid valve；The first flowmeter, second
Flowmeter and third flowmeter are mass flowmenter.
The air mass flow and sealing test method of aerial motor spare part of the present invention, use above-mentioned air mass flow
With seal tightness test platform, steps are as follows:
I test prepares
1. the gas supply control system of checkout facility platform, pressurization gas storage system, regulating system, test macro and electric-control system have
Fault-free, if having experimental condition, be resolved if finding the problem, make testing stand each system be in meet test normally into
Capable state；
2. booting checks the pressure of factory building compressed air, factory building compressed air pressure is adjusted in 0.6~0.8MPa；
Test gas is complied with 3. being switched on and carrying out humidity adjustment to the factory building compressed air for entering pressurization gas storage system
Humidity is required and is pressurized, when the gas pressure being pressurized in the high pressure gas cylinder in gas storage system for gas storage reaches 16~20MPa
Stop being pressurized and being stored；
II seal tightness test
1. testpieces aero-engine is fired into lubricating oil nozzle or cavity components are mounted on fixture, it will be in test macro
The connection of the air inlet of air supply hose and testpieces, and ensure No leakage；
2. the humidity Pass Test requirement from pressurization gas storage system, the air that pressure is 16~20MPa are passed through adjusting
System call interception is at the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure is stablized,
Record corresponding test data；
3. stop test when the gas pressure being pressurized in the high pressure gas cylinder in gas storage system for gas storage drops to 10MPa,
The blower operations in step I are repeated, until the gas pressure in high pressure gas cylinder reaches 16~20MPa, are further continued for testing；
4. the operation of step 2., 3. is repeated, until completing seal tightness test；
The test of III air mass flow
1. testpieces aero-engine is fired lubricating oil nozzle or cavity components are mounted on fixture, joined according to test flow
Examine area requirement selection test macro in accordingly exhaust measurement branch, by test macro air supply hose and testpieces into
The exhaust outlet of exhaust hose and testpieces in exhaust measurement branch is connected, and ensures No leakage by port connection；
2. opening the air discharge cook in exhaust measurement branch；
3. the humidity Pass Test requirement from pressurization gas storage system, the air that pressure is 16~20MPa are passed through adjusting
System call interception is at the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure is stablized,
Record corresponding test data；
4. stop test when the gas pressure being pressurized in the high pressure gas cylinder in gas storage system for gas storage drops to 10MPa,
The blower operations in step I are repeated, until the gas pressure in high pressure gas cylinder reaches 16~20MPa, are further continued for testing；
5. the operation of step 3., 4. is repeated, until completing air mass flow test.
Compared with prior art, the invention has the following advantages:
1, the present invention fires lubricating oil nozzle for aero-engine and cavity components provide a kind of both being sealed property examination
It tests, and the dedicated unit of air flow property test can be carried out, two kinds of tests can be carried out by possessing a device, thus can not only be subtracted
The production of few experimental rig or acquisition expenses, and the installation space of experimental rig can be saved, reduce experimentation cost.
2, due to the pressurization gas storage in the air mass flow of aerial motor spare part of the present invention and seal tightness test platform
The adjustment of test gas humidity, temperature and pressure can be achieved in the cooperation of system and regulating system, and it is equal to form humidity, temperature and pressure
The test gas that Pass Test requires, thus using testing stand of the present invention lubricating oil nozzle and cavity can be fired to aero-engine
Components carry out the leakproofness and air flow property test of hot and cold two states, and guarantee test knot under different pressures
The accuracy of fruit.
3, due to the test macro in the air mass flow of aerial motor spare part of the present invention and seal tightness test platform
It is made of gas supply branch, first exhaust branch and second exhaust branch, therefore the test of being sealed property of testpieces, air is flowed
Property test it is easy to operate, test efficiency is high.
4, the pressurization gas storage system in the air mass flow of aerial motor spare part of the present invention and seal tightness test platform
Safety is good when being not only convenient for humidity, the temperature and pressure of Adjustment Tests gas with the structure of regulating system, and running.
5, the air mass flow of aerial motor spare part of the present invention and seal tightness test platform except absorption drier and
Except cooling-water machine, other components, component and device are installed in stage body or on the control panel of stage body, therefore compact-sized,
Advantageously reduce installation space.
6, the air mass flow of aerial motor spare part of the present invention and sealing test method are simple, are easy to grasp.
Detailed description of the invention
Fig. 1 is the air mass flow of aerial motor spare part of the present invention and the structural block diagram of seal tightness test platform；
Fig. 2 is a kind of gas circuit principle that control system, pressurization gas storage system, regulating system and test macro are supplied in Fig. 1
Figure；
Fig. 3 is the air mass flow of aerial motor spare part of the present invention and the main view of seal tightness test platform shape；
Fig. 4 is the top view of Fig. 3；
The air mass flow and the right side after seal tightness test platform removal stage body that Fig. 5 is aerial motor spare part of the present invention
Axonometric drawing；
The air mass flow and the left side after seal tightness test platform removal stage body that Fig. 6 is aerial motor spare part of the present invention
Axonometric drawing；
Fig. 7 is the air mass flow of aerial motor spare part of the present invention and the control panel figure of seal tightness test platform.
In figure, 1 gas source master control valve, 2 gas source switch (normally closed), 3 first pressure gauges, 4 air intake filters, 5 absorption types are dry
Dry machine, 6 first pressure reducing valves, 7 first safety valves, 8.1 first air increase air pump, and 8.2 second air increase air pump, 9.1 first pressurizations
Switch pump (normally closed), 9.2 second pressurizations switch pump (normally closed), 10 gas cylinders switch (normally closed), 11 high pressure gas cylinders, 12 second pressures
Table, 13 second safety valves, 14 first air supply valves, 15 second pressure reducing valves, 16 main pressure regulator valves, 17 third safety valves, 18 heat exchangers,
19 deflation pressure regulator valves, 20 second air supply valves, 21.1 first flowmeters, 21.2 second flowmeters, 21.3 third flowmeters, 22 temperature
Spend sensor, 23.1 first pressure sensors, 23.2 second pressure sensors, 23.3 third pressure sensors, 23.4 the 4th pressures
Force snesor, 24.1 air supply hoses, 24.2 first exhaust hoses, 24.3 second exhaust hoses, 25 first exhausts switch, 26 second
Air discharge cook, 27 cooling-water machines, 28 electric appliance boxes, 29 stage bodies, 29.1 control panels, 30 display screens, 31 power switches, 32 power supply instructions
Lamp.
Specific embodiment
By way of example and in conjunction with the accompanying drawings to the air mass flow and sealing of aerial motor spare part of the present invention
Property testing stand and test method are described further.
Embodiment 1
Structure such as Fig. 1, Fig. 3 of the air mass flow of aerial motor spare part described in the present embodiment and seal tightness test platform,
Shown in Fig. 4, it is made of gas supply control system, pressurization gas storage system, regulating system, test macro, electric-control system and stage body 29.
The gas supply control system, the structure for being pressurized gas storage system, regulating system and test macro are as shown in Figure 2: gas supply
Control system is sequentially connected in series and is constituted by gas source master control valve 1, gas source switch 2, first pressure gauge 3 and air intake filter 4.Increase
Pressure gas storage system includes absorption drier 5, the first pressure reducing valve 6, the first safety valve 7, the first air increasing the 8.1, second sky of air pump
Gas increases air pump 8.2, first and is pressurized the pressurization of switch pump 9.1, second switch pump 9.2, high pressure gas cylinder 11, the pressure of gas cylinder switch 10, second
Power table 12, the second safety valve 13 and the first air supply valve 14；The air inlet of the absorption drier 5 is by pipe fitting and for gas control
Filter 4 in system processed exports connection, and the gas outlet of absorption drier increases the work of air pump 8.1 by pipe fitting and the first air
Make gas import connection；The import of first pressure reducing valve 6 is by pipe fitting and supplies the outlet of filter 4 connection in control system,
The outlet of first pressure reducing valve is connected by the driving gas import that pipe fitting and the first air increase air pump 8.1, the second air increasing air pump 8.2
It connects；The outlet that first safety valve 7 is mounted on the first pressure reducing valve 6 of connection increases the driving gas import of air pump 8.1 with the first air
Pipe fitting on；The import of the first pressurization switch pump 9.1 is exported by the filter 4 in pipe fitting and gas supply control system to be connected
It connects, the outlet of the first pressurization switch pump is attached by the first air guide import that pipe fitting increases air pump 8.1 with the first air；Described
The import of two pressurization switch pumps 9.2 is exported by the filter 4 in pipe fitting and gas supply control system to be connected, the second pressurization switch pump
Outlet by pipe fitting and the second air increasing air pump 8.2 first air guide import be attached；The first air increasing air pump 8.1,
Second air increases air pump 8.2 as interlock type series connection, and the work gas outlet that the first air increases air pump 8.1 passes through pipe fitting and second
Air increases the work gas import connection of air pump 8.2, and the work gas outlet that the second air increases air pump 8.2 is switched by pipe fitting and gas cylinder
10 import connection, when operation, first open the first pressurization switch pump 9.1, are then turned on the second pressurization switch pump 9.2；The gas cylinder is opened
Close 10 outlet by pipe fitting formation two branches, respectively with high pressure gas cylinder 11, second pressure gauge 12 and the first air supply valve 14
Import connection；Second safety valve 13 is mounted on the pipe between the outlet and the first air supply valve import of connection gas cylinder switch
On part.The regulating system include the second pressure reducing valve 15, the 4th pressure sensor 23.4, main pressure regulator valve 16, third safety valve 17,
Heat exchanger 18, cooling-water machine 27, deflation pressure regulator valve 19 and the second air supply valve 20；The import of second pressure reducing valve 15 passes through pipe fitting
It is connect with the outlet of the first air supply valve 14 in pressurization gas storage system, the outlet of the second pressure reducing valve passes through pipe fitting and main pressure regulator valve 16
Import connection, the 4th pressure sensor 23.4 be mounted on connection the second pressure reducing valve outlet and main pressure regulator valve import pipe
On part；The outlet of the main pressure regulator valve 16 is connect by pipe fitting with the air inlet of heat exchanger 18, and heat exchanger gas outlet passes through pipe fitting
It is connect with the import of deflation pressure regulator valve 19, the import connection that the outlet of deflation pressure regulator valve passes through pipe fitting and the second air supply valve 20；
The third safety valve 17 is mounted on the pipe fitting of the outlet of connection main pressure regulator valve and heat exchanger air inlet, and the cooling-water machine 27 goes out
The mouth of a river is connected by the water inlet of pipe fitting and heat exchanger.The test macro first exhaust branch different by gas supply branch and flow
Road, second exhaust branch composition, gas supply branch includes first flowmeter 21.1, temperature sensor 22, first pressure sensor
23.1 and air supply hose 24.1, the import of the first flowmeter 21.1 passes through the second air supply valve 20 in pipe fitting and regulating system
Outlet connection, the outlet of flowmeter connect by pipe fitting with the import of air supply hose 24.1, the outlet of air supply hose for
It is detected the air inlet connection of aero-engine combustion lubricating oil nozzle or cavity components, temperature sensor 22 and first pressure sensing
Device 23.1 is mounted on the pipe fitting of the outlet of connection first flowmeter and air supply hose import；First exhaust branch includes first exhaust
Hose 24.2, first exhaust switch 25, second pressure sensor 23.2 and second flowmeter 21.2, the first exhaust hose
The gas outlet that 24.2 import is used to fire lubricating oil nozzle or cavity components with detected aero-engine is connect, and first exhaust is soft
The outlet of pipe is connect by pipe fitting with the import of first exhaust switch 25, and the outlet of first exhaust switch 25 passes through pipe fitting and second
21.2 import of flowmeter connection, the second pressure sensor 23.2 are mounted on connection first exhaust switch outlet and second flow
On the pipe fitting for counting import；Second exhaust branch includes second exhaust hose 24.3, second exhaust switch 26, third pressure sensor
23.3 and third flowmeter 21.3, the import of the second exhaust hose 24.3 is used for and the combustion lubricating oil spray of detected aero-engine
The outlet of the connection of the gas outlet of mouth or cavity components, second exhaust hose is connected by the import of pipe fitting and second exhaust switch 26
It connects, the outlet of second exhaust switch 26 is connect by pipe fitting with 21.3 import of third flowmeter, the third pressure sensor
23.3 are mounted on connection second exhaust switch outlet and the pipe fitting of third flowmeter import.
The electric-control system is mainly made of programmable logic controller (PLC) (PLC), and programmable logic controller (PLC) is by a S7-
200CPU226 and 3 EM231 analog quantity mould group is constituted, and buys (Siemens Company's production) by market.
The structure of the stage body 29 is box typed structure as shown in Fig. 3, Fig. 4 and Fig. 7, and cabinet front upper is control plane
Plate 29.1.In addition to the cooling-water machine 27 in the absorption drier 5 and regulating system in pressurization gas storage system, gas supply control system
System, pressurization gas storage system, regulating system, test macro and each device in electric-control system and component be installed in stage body 29 or
(see Fig. 5, Fig. 6 and Fig. 7) on the control panel 29-1 of stage body.
In the present embodiment, the gas source master control valve 1 is manual ball valve；First air supply valve 14, main pressure regulator valve 16,
Deflation pressure regulator valve 19, the second air supply valve 20, first exhaust switch 25 and second exhaust switch 26 are manual needle valve；It is described
Gas source switch 2, gas cylinder switch 10, first are pressurized switch pump 9.1, second and are pressurized switch pump 9.2, the decompression of the first pressure reducing valve 6, second
Valve 15, the first safety valve 7, the second safety valve 13 and third safety valve 17 are solenoid valve；The first flowmeter 21.1, second
Flowmeter 21.2 and third flowmeter 21.3 are mass flowmenter.
Embodiment 2
The present embodiment fires lubricating oil nozzle to aero-engine using air mass flow and seal tightness test platform described in embodiment 1
With the test of being sealed property of cavity components and air mass flow test.Steps are as follows:
I test prepares
1. the gas supply control system of checkout facility platform, pressurization gas storage system, regulating system, test macro and electric-control system have
Fault-free, if having experimental condition, be resolved if finding the problem, make testing stand each system be in meet test normally into
Capable state；Having experimental condition includes: that cooling-water machine 27 should fill cooling water, the water of absorption drier 5 should empty to prevent
Only liquid water enters adsorption tower；
2. it opens gas source master control valve 1, open power supply, starting absorption drier 5, observation display factory building compressed air pressure
Whether the pressure value that the first pressure gauge 3 of power is shown is in 0.6~0.8MPa, if factory building compressed air pressure is undesirable,
Make corresponding adjustment, until reaching 0.6~0.8MPa；
3. opening the valve of high pressure gas cylinder 11, then gas source switch 2 and gas cylinder switch 10 are opened, is then turned on the increasing of the first air
Press pump 8.1 and the second air boost pump 8.2 are pressurized, and the pressure that observation second pressure gauge 12 is shown is paid attention in pressurization
Value closes the first air boost pump 8.1 and the second air when the pressure value that second pressure gauge 12 is shown reaches 16~20MPa
Booster pump 8.2 stops being pressurized and being stored.
II seal tightness test
1. testpieces aero-engine is fired into lubricating oil nozzle or cavity components are mounted on fixture, it will be in test macro
Air supply hose 24.1 is connect with the air inlet of testpieces, and ensures No leakage；
2. opening cooling-water machine 27, then successively opens the first air supply valve 14 and the second air supply valve 20 and adjust the second decompression
Valve 15 makes to depressurize downstream pressure 10MPa, then by adjusting main pressure regulator valve 16 and deflation pressure regulator valve 19 and entering heat exchanger 18
Cold water flow will be adjusted to from the pressurization humidity Pass Test requirement of gas storage system, the air that pressure is 16~20MPa it is wet
Degree, the satisfactory test gas of pressure and temperature simultaneously input testpieces, after test gas pressure is stablized, record corresponding test
Data；
3. stopping examination when the gas pressure being pressurized in the high pressure gas cylinder 11 in gas storage system for gas storage drops to 10MPa
It tests, repeats the blower operations in step I, until the gas pressure in high pressure gas cylinder 11 reaches 16~20MPa, be further continued for testing；
4. the operation of step 2., 3. is repeated, until completing seal tightness test；
The test of III air mass flow
1. testpieces aero-engine is fired lubricating oil nozzle or cavity components are mounted on fixture, joined according to test flow
The first exhaust measurement branch or second exhaust branch in area requirement selection test macro are examined, the gas supply in test macro is soft
Pipe 24.1 is connect with the air inlet of testpieces, and first exhaust is measured to exhaust hose and test in branch or second exhaust branch
The exhaust outlet of part connects, and ensures No leakage；
2. opening the first exhaust switch 25 or second exhaust switch 26 in exhaust measurement branch；
3. opening cooling-water machine 27, then successively opens the first air supply valve 14 and the second air supply valve 20 and adjust the second decompression
Valve 15 makes to depressurize downstream pressure 10MPa, then by adjusting main pressure regulator valve 16 and deflation pressure regulator valve 19 and entering heat exchanger 18
Cold water flow will be adjusted to from the pressurization humidity Pass Test requirement of gas storage system, the air that pressure is 16~20MPa it is wet
Degree, the satisfactory test gas of pressure and temperature simultaneously input testpieces, after test gas pressure is stablized, record corresponding test
Data；
4. stopping examination when the gas pressure being pressurized in the high pressure gas cylinder 11 in gas storage system for gas storage drops to 10MPa
It tests, repeats the blower operations in step I, until the gas pressure in high pressure gas cylinder 11 reaches 16~20MPa, be further continued for testing；
5. the operation of step 3., 4. is repeated, until completing air mass flow test.
Claims (6)
1. a kind of air mass flow of aerial motor spare part and seal tightness test platform, characterized by comprising:
Control system is supplied, for being truncated or being connected factory building compressed air；The gas supply control system is by gas source master control valve
(1), gas source switch (2), first pressure gauge (3) and air intake filter (4) are sequentially connected in series composition；
It is pressurized gas storage system, for the factory building compressed air entered by gas supply control system to be adjusted to needed for test gas
Humidity and be pressurized to pressure be 16~20MPa stored；The pressurization gas storage system includes absorption drier (5), first
Pressure reducing valve (6), the first safety valve (7), the first air increase air pump (8.1), the second air increases air pump (8.2), the first booster pump is opened
Close (9.1), the second pressurization switch pump (9.2), high pressure gas cylinder (11), gas cylinder switch (10), second pressure gauge (12), the second safety
Valve (13) and the first air supply valve (14)；The air inlet of the absorption drier (5) passes through in pipe fitting and gas supply control system
Filter (4) export connection, the work gas that the gas outlet of absorption drier passes through pipe fitting and the first air increasing air pump (8.1)
Import connection；The import of first pressure reducing valve (6) is by pipe fitting and supplies filter (4) the outlet connection in control system,
The outlet of first pressure reducing valve increases air pump (8.1) by pipe fitting and the first air, the second air increases the driving gas import of air pump (8.2)
Connection；First safety valve (7) is mounted on the outlet of connection the first pressure reducing valve (6) and the drive of the first air increasing air pump (8.1)
It takes offence on the pipe fitting of import；The import of first pressurization switch pump (9.1) is by pipe fitting and supplies the filtering in control system
Device (4) outlet connection, first pressurization switch pump outlet by pipe fitting and the first air increasing air pump (8.1) first air guide import into
Row connection；The import of second pressurization switch pump (9.2) is exported by the filter (4) in pipe fitting and gas supply control system to be connected
It connects, the outlet of the second pressurization switch pump is attached by the first air guide import that pipe fitting increases air pump (8.2) with the second air；It is described
The work gas outlet that first air increases air pump (8.1) is connect by pipe fitting with the work gas import that the second air increases air pump (8.2),
The work gas outlet that second air increases air pump (8.2) is connect by pipe fitting with the import of gas cylinder switch (10)；The gas cylinder switch
(10) outlet forms two branches by pipe fitting, opens respectively with high pressure gas cylinder (11), second pressure gauge (12) and the first gas supply
Close the import connection of (14)；Second safety valve (13) is mounted on the outlet and the first air supply valve import of connection gas cylinder switch
Between pipe fitting on；
Regulating system, for the compression that will be 16~20MPa from the humidity Pass Test required pressure of pressurization gas storage system
Air carries out the adjustment of pressure and temperature, forms humidity, the test gas that pressure and temperature Pass Test requires；The adjusting system
System includes the second pressure reducing valve (15), the 4th pressure sensor (23.4), main pressure regulator valve (16), third safety valve (17), heat exchanger
(18), cooling-water machine (27), deflation pressure regulator valve (19) and the second air supply valve (20)；The import of second pressure reducing valve (15) passes through
Pipe fitting is connect with the outlet of the first air supply valve (14) in pressurization gas storage system, and the outlet of the second pressure reducing valve passes through pipe fitting and homophony
The import of pressure valve (16) connects, and the 4th pressure sensor (23.4) is mounted on outlet and the main pressure regulator of the second pressure reducing valve of connection
On the pipe fitting of valve import；The outlet of the main pressure regulator valve (16) is connect by pipe fitting with the air inlet of heat exchanger (18), heat exchanger
Gas outlet is connect by pipe fitting with the import of deflation pressure regulator valve (19), and the outlet of deflation pressure regulator valve is opened by pipe fitting and the second gas supply
Close the import connection of (20)；The third safety valve (17) is mounted on the pipe fitting of connection main pressure regulator valve outlet and heat exchanger air inlet
On, the water outlet of the cooling-water machine (27) is connected by the water inlet of pipe fitting and heat exchanger；
Test macro makes to carry out self-adjusting system for connecting with detected aero-engine combustion lubricating oil nozzle or cavity components
Test gas enter and be detected aero-engine combustion lubricating oil nozzle or the detection of being sealed property of cavity components, or make to come from
By being detected, aero-engine fires lubricating oil nozzle to the test gas of regulating system or cavity components carry out air mass flow detection；
The test macro is made of gas supply branch, first exhaust branch and second exhaust branch, and gas supply branch includes first flowmeter
(21.1), temperature sensor (22), first pressure sensor (23.1) and air supply hose (24.1), the first flowmeter
(21.1) import is connect by pipe fitting with the outlet of the second air supply valve (20) in regulating system, and the outlet of flowmeter passes through pipe
Part is connect with the import of air supply hose (24.1), the outlet of air supply hose for detected aero-engine fire lubricating oil nozzle or
The air inlet of cavity components connects, and temperature sensor (22) and first pressure sensor (23.1) are mounted on connection first flow
On the pipe fitting of meter outlet and air supply hose import；First exhaust branch includes first exhaust hose (24.2), first exhaust switch
(25), the import of second pressure sensor (23.2) and second flowmeter (21.2), the first exhaust hose (24.2) is used for
The gas outlet for firing lubricating oil nozzle or cavity components with detected aero-engine is connect, and the outlet of first exhaust hose passes through pipe
Part is connect with the import of first exhaust switch (25), and the outlet that first exhaust switchs (25) passes through pipe fitting and second flowmeter
(21.2) import connects, and the second pressure sensor (23.2) is mounted on connection first exhaust switch outlet and second flowmeter
On the pipe fitting of import；Second exhaust branch includes second exhaust hose (24.3), second exhaust switch (26), third pressure sensing
The import of device (23.3) and third flowmeter (21.3), the second exhaust hose (24.3) is used for and detected aero-engine
The gas outlet connection of lubricating oil nozzle or cavity components is fired, the outlet of second exhaust hose is switched by pipe fitting and second exhaust
(26) import connection, the outlet of second exhaust switch (26) is connect by pipe fitting with third flowmeter (21.3) import, described
Third pressure sensor (23.3) is mounted on connection second exhaust switch outlet and the pipe fitting of third flowmeter import；
Electric-control system, for controlling gas supply control system, pressurization gas storage system, regulating system and test macro state in which,
And it confesses saved after the information of gas control system, pressurization gas storage system, regulating system and test macro is handled in the future
And display；The electric-control system is mainly made of programmable logic controller (PLC).
2. the air mass flow of aerial motor spare part and seal tightness test platform according to claim 1, it is characterised in that institute
State pressurization gas storage system in the first air increase air pump (8.1), the second air increase air pump (8.2) be interlock type be connected in series,
Under the control of programmable logic controller (PLC), when operation, first opens the first pressurization switch pump (9.1), is then turned on the second pressurization switch pump
(9.2)。
3. the air mass flow of aerial motor spare part according to claim 1 or claim 2 and seal tightness test platform, it is characterised in that
It further include stage body (29), the stage body is box typed structure；Gas source master control valve (1), the gas source of the gas supply control system are opened
(2), first pressure gauge (3) and air intake filter (4) is closed to be mounted in stage body or on the control panel of stage body；The pressurization gas storage
The absorption drier (5) of system is mounted on except stage body, is pressurized the first pressure reducing valve (6), the first safety valve of gas storage system
(7), the first air increasing air pump (8.1), the second air increasing air pump (8.2), the first pressurization switch pump (9.1), the second booster pump are opened
Close (9.2), high pressure gas cylinder (11), gas cylinder switch (10), second pressure gauge (12), the second safety valve (13) and the first air supply valve
(14) it is mounted in stage body or on the control panel of stage body；The second pressure reducing valve (15), the 4th pressure sensing of the regulating system
Device (23.4), main pressure regulator valve (16), third safety valve (17), heat exchanger (18), deflation pressure regulator valve (19) and the second air supply valve
(20) it is mounted in stage body or on the control panel of stage body, the cooling-water machine (27) of regulating system is mounted on except stage body；The survey
The gas supply branch of test system, first exhaust branch and device in second exhaust branch and component are mounted in stage body or stage body
On control panel；The device and component of the electric-control system are mounted in stage body or on the control panel of stage body.
4. the air mass flow of aerial motor spare part according to claim 1 or claim 2 and seal tightness test platform, it is characterised in that
The gas source master control valve (1) is manual ball valve；First air supply valve (14), main pressure regulator valve (16), deflation pressure regulator valve
(19), the second air supply valve (20), first exhaust switch (25) and second exhaust switch (26) are manual needle valve；The gas
Source switch (2), gas cylinder switch (10), first pressurization switch pump (9.1), second pressurization switch pump (9.2), the first pressure reducing valve (6),
Second pressure reducing valve (15), the first safety valve (7), the second safety valve (13) and third safety valve (17) are solenoid valve；Described
Flow meters (21.1), second flowmeter (21.2) and third flowmeter (21.3) are mass flowmenter.
5. the air mass flow of aerial motor spare part and seal tightness test platform according to claim 3, it is characterised in that institute
Stating gas source master control valve (1) is manual ball valve；First air supply valve (14), main pressure regulator valve (16), deflation pressure regulator valve (19),
Second air supply valve (20), first exhaust switch (25) and second exhaust switch (26) are manual needle valve；The gas source is opened
Close (2), gas cylinder switch (10), the first pressurization switch pump (9.1), the second pressurization switch pump (9.2), the first pressure reducing valve (6), second
Pressure reducing valve (15), the first safety valve (7), the second safety valve (13) and third safety valve (17) are solenoid valve；It is described first-class
Meter (21.1), second flowmeter (21.2) and third flowmeter (21.3) are mass flowmenter.
6. the air mass flow and sealing test method of aerial motor spare part, it is characterised in that using in claim 1 to 5
Air mass flow described in any claim and seal tightness test platform, steps are as follows:
I test prepares
1. the gas supply control system of checkout facility platform, pressurization gas storage system, regulating system, test macro and electric-control system have without reason
Barrier, if having experimental condition, be resolved if finding the problem, be in each system of testing stand and meet what test was normally carried out
State；
2. booting checks the pressure of factory building compressed air, factory building compressed air pressure is adjusted in 0.6~0.8MPa；
The humidity that humidity adjustment complies with test gas is carried out to the factory building compressed air for entering pressurization gas storage system 3. being switched on
It is required that and being pressurized, the stopping when the gas pressure being pressurized in the high pressure gas cylinder in gas storage system for gas storage reaches 16~20MPa
It is pressurized and is stored；
II seal tightness test
1. testpieces aero-engine is fired lubricating oil nozzle or cavity components are mounted on fixture, by the gas supply in test macro
The connection of the air inlet of hose and testpieces, and ensure No leakage；
2. the humidity Pass Test requirement from pressurization gas storage system, the air that pressure is 16~20MPa are passed through regulating system
It is adjusted to the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure is stablized, record
Corresponding test data；
3. stopping test when the gas pressure being pressurized in the high pressure gas cylinder in gas storage system for gas storage drops to 10MPa, repeating
Blower operations in step I are further continued for testing until the gas pressure in high pressure gas cylinder reaches 16~20MPa；
4. the operation of step 2., 3. is repeated, until completing seal tightness test；
The test of III air mass flow
1. testpieces aero-engine is fired lubricating oil nozzle or cavity components are mounted on fixture, model is referred to according to test flow
The branch of exhaust measurement accordingly in requirement selection test macro is enclosed, by the air inlet of air supply hose and testpieces in test macro
The exhaust outlet of exhaust hose and testpieces in exhaust measurement branch is connected, and ensures No leakage by connection；
2. opening the air discharge cook in exhaust measurement branch；
3. the humidity Pass Test requirement from pressurization gas storage system, the air that pressure is 16~20MPa are passed through regulating system
It is adjusted to the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure is stablized, record
Corresponding test data；
4. stopping test when the gas pressure being pressurized in the high pressure gas cylinder in gas storage system for gas storage drops to 10MPa, repeating
Blower operations in step I are further continued for testing until the gas pressure in high pressure gas cylinder reaches 16~20MPa；
5. the operation of step 3., 4. is repeated, until completing air mass flow test.
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