CN108061624A - The air mass flow of aerial motor spare part and seal tightness test platform and test method - Google Patents
The air mass flow of aerial motor spare part and seal tightness test platform and test method Download PDFInfo
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- CN108061624A CN108061624A CN201711165031.2A CN201711165031A CN108061624A CN 108061624 A CN108061624 A CN 108061624A CN 201711165031 A CN201711165031 A CN 201711165031A CN 108061624 A CN108061624 A CN 108061624A
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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 flow of aerial motor spare part and seal tightness test platform and test methods, the air mass flow of the aerial motor spare part includes supply control system with seal tightness test platform, it is pressurized gas storage system, regulating system, test system and electric-control system, it is that 16~20MPa is stored that supercharging gas storage system, which is used to that the factory building compressed air entered by supplying control system to be adjusted to the humidity needed for test gas and is pressurized to pressure, regulating system is used to be that the compressed air of 16~20MPa carries out the adjustment of pressure and temperature from the humidity Pass Test required pressure of supercharging gas storage system, form humidity, the test gas of pressure and temperature Pass Test requirement.The test method uses above-mentioned testing stand, and step is as follows：Test preparation, seal tightness test, air mass flow experiment.
Description
Technical field
The invention belongs to aerial motor spare part experimental rig and test method field, more particularly to aero-engine is fired
The air mass flow of lubricating oil nozzle and cavity parts and leak tightness test device and test method.
Background technology
The manufacture claim of lubricating oil nozzle and cavity parts is fired according to aero-engine, assembling is completed or needs to carry out after processing
Seal tightness test and air mass flow experiment, for select qualified installation aero-engine fire lubricating oil nozzle and cavity parts provide according to
According to.Especially aero-engine combustion lubricating oil nozzle, not only needs to carry out cold state (test gas under different pressures to it
Temperature is room temperature) sealing propertytest, it is also necessary under different pressures carrying out Warm status to it, (test gas temperature is higher than
Room temperature) sealing propertytest, and the humidity of test gas need to be met the requirements.
The air mass flow and seal tightness test of lubricating oil nozzle and cavity parts are fired on aero-engine, there is no special dress
It puts (equipment), the easy static pressure test platform of generally use is completed, and cold state (experiment gas can only be carried out under certain pressure condition
Temperature is room temperature) seal tightness test and air mass flow experiment, 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 experiment, and pipeline combination need to be carried out during test operation temporarily, influence test efficiency.Therefore, develop
It is exclusively used in aero-engine combustion lubricating oil nozzle and the air mass flow of cavity parts and the dedicated unit (equipment) of seal tightness test
It is very necessary.
The content 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 parts carry out the leakproofness of hot and cold two states and air mass flow test operation under the conditions of different pressures
Simplicity, result of the test 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 blocking or turning on factory building compressed air；
Gas storage system is pressurized, for the factory building compressed air entered by supplying control system to be adjusted to test gas institute
The humidity that needs simultaneously is pressurized to pressure and is stored for 16~20MPa；
Regulating system, for that will be 16~20MPa's from the humidity Pass Test required pressure of supercharging gas storage system
Compressed air carries out the adjustment of pressure and temperature, forms humidity, the test gas of pressure and temperature Pass Test requirement；
Test system for being connected with detected aero-engine combustion lubricating oil nozzle or cavity parts, makes to be self-regulated
The test gas of system fires lubricating oil nozzle or the detection of being sealed property of cavity parts into detected aero-engine or makes
The test gas for carrying out self-adjusting system fires lubricating oil nozzle or cavity parts progress air mass flow by being detected aero-engine
Detection；
Electric-control system, for controlling the shape residing for supply control system, supercharging gas storage system, regulating system and test system
State, and the information of confession gas control system, supercharging gas storage system, regulating system and test system is protected after being handled in the future
It deposits and shows.
The air mass flow of aerial motor spare part of the present invention and seal tightness test platform, a kind of concrete structure are as follows：
The supply control system is gone here and there successively by source of the gas master control valve, gas source switch, first pressure gauge and air intake filter
Connection connects and composes；
The supercharging gas storage system includes absorption drier, the first pressure reducing valve, the first safety valve, the first air and increases gas
Pump, the second air increase air pump, first supercharging switch pump, second supercharging switch pump, gas cylinder, gas cylinder switch, second pressure gauge,
Second safety valve and the first air supply valve；The air inlet of the absorption drier passes through pipe fitting and the mistake in supply control system
Filter outlets connect, and the gas outlet of absorption drier is connected by pipe fitting with the work gas import of the first air increasing air pump；Institute
The import for stating the first pressure reducing valve is connected by pipe fitting with the filter outlet in supply control system, and the outlet of the first pressure reducing valve leads to
The driving gas import that pipe fitting is crossed with the first air increasing air pump, the second air increasing air pump is connected；First safety valve, which is mounted on, to be connected
It connects the outlet of the first pressure reducing valve and the first air increases on the pipe fitting of driving gas import of air pump；It is described first supercharging switch pump into
Mouth is connected by pipe fitting with the filter outlet in supply control system, and the outlet of the first supercharging 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 supercharging switch pump passes through pipe fitting and supply control system
In filter outlet connection, the outlet of the second supercharging switch pump by the first air guide import of pipe fitting and the second air increasing air pump into
Row connection；The work gas outlet that first air increases air pump is connected by the work gas import of pipe fitting and the second air increasing air pump
It connects, the work gas outlet that the second air increases air pump is connected by pipe fitting with the import that gas cylinder switchs；The outlet of the gas cylinder switch
Two branches are formed by pipe fitting, the import with gas cylinder, second pressure gauge and the first air supply valve respectively is connected；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, the 3rd safety valve, heat exchanger,
Cooling-water machine, deflation pressure regulator valve and the second air supply valve；The import of second pressure reducing valve is by pipe fitting with being pressurized in gas storage system
The outlet connection of first air supply valve, the outlet of the second pressure reducing valve are 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 connected by pipe fitting with the import of deflation pressure regulator valve, is deflated
The outlet of pressure regulator valve is connected by the import of pipe fitting and the second air supply valve；3rd 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 system is made of supply branch, first exhaust branch and second exhaust branch, and supply branch includes the
Flow meters, temperature sensor, first pressure sensor and air supply hose, the import of the first flowmeter pass through pipe fitting and tune
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, supply
The outlet of hose is connected for firing the air inlet of lubricating oil nozzle or cavity parts with detected aero-engine, 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 bag
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 parts with detected aero-engine is connected, and the outlet of first exhaust hose leads to
It crosses pipe fitting and is connected 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, the 3rd pressure sensor and the 3rd flowmeter, the second exhaust
The gas outlet that the import of hose is used to fire lubricating oil nozzle or cavity parts with detected aero-engine is connected, and second exhaust is soft
The outlet of pipe is connected by pipe fitting with the import that second exhaust switchs, and the outlet of second exhaust switch passes through pipe fitting and the 3rd flow
Import connection is counted, the 3rd pressure sensor is mounted on connection second exhaust switch outlet and the pipe fitting of the 3rd flowmeter import
On；
The electric-control system is mainly made of programmable logic controller (PLC).
The air mass flow of above-mentioned aerial motor spare part in seal tightness test platform, the in the supercharging gas storage system
One air increases air pump, the second air increases air pump and is connected in series for interlock type, under the control of programmable logic controller (PLC), during operation
The first supercharging switch pump is first opened, the second supercharging switch pump is then turned on, could work normally.
The air mass flow of above-mentioned aerial motor spare part and seal tightness test platform, further include stage body, and the stage body is case
Body formula structure；Source of the gas master control valve, gas source switch, first pressure gauge and the air intake filter of the supply control system are mounted on
In stage body or on the control panel of stage body；The absorption drier of the supercharging gas storage system is mounted on outside stage body, supercharging 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 supercharging switch pump, the
Two supercharging switch pumps, 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, the 3rd 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 outside stage body；The device supplied in branch, first exhaust branch and second exhaust branch of the test system
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 on stage body in or
On the control panel of stage body.
The air mass flow of above-mentioned aerial motor spare part and seal tightness test platform, the source of the gas 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 supercharging switch pump, the second supercharging switch pump, the first decompression
Valve, the second pressure reducing valve, the first safety valve, the second safety valve and the 3rd safety valve are solenoid valve；The first flowmeter, second
Flowmeter and the 3rd 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, step is as follows：
I experiment prepares
1. the supply control system of checkout facility platform, supercharging gas storage system, regulating system, test system and electric-control system have
Fault-free, if possess experimental condition, solved if pinpointing the problems, make testing stand each system be in meet experiment normally into
Capable state；
2. start checks the pressure of factory building compressed air, factory building compressed air pressure is adjusted in 0.6~0.8MPa；
3. starting shooting test gas is complied with to carrying out humidity adjustment into the factory building compressed air of supercharging gas storage system
Humidity is required and is pressurized, when be pressurized in gas storage system for gas storage gas cylinder in gas pressure reach 16~20MPa when
Stop being pressurized and being stored；
II seal tightness test
1. testpieces aero-engine is fired into lubricating oil nozzle or cavity parts are mounted on fixture, it will be in test system
The air inlet of air supply hose and testpieces connects, and ensures No leakage；
2. the humidity Pass Test requirement from supercharging gas storage system, the air that pressure is 16~20MPa are passed through into adjusting
System call interception is into the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure stability,
Record corresponding test data；
3. when be pressurized in gas storage system for gas storage gas cylinder in gas pressure drop to 10MPa when, stop experiment,
The blower operations in step I are repeated, until the gas pressure in gas cylinder reaches 16~20MPa, are further continued for testing；
4. the operation of step 2., 3. is repeated, until completing seal tightness test；
III air mass flow is tested
1. testpieces aero-engine is fired lubricating oil nozzle or cavity parts are mounted on fixture, joined according to test flow
Examine the branch of exhaust measurement accordingly in area requirement selection test system, by the air supply hose in test system and testpieces into
Gas port connects, and the exhaust outlet of the exhaust hose being vented in measurement branch and testpieces is connected, and ensures No leakage；
2. open the air discharge cook in exhaust measurement branch；
3. the humidity Pass Test requirement from supercharging gas storage system, the air that pressure is 16~20MPa are passed through into adjusting
System call interception is into the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure stability,
Record corresponding test data；
4. when be pressurized in gas storage system for gas storage gas cylinder in gas pressure drop to 10MPa when, stop experiment,
The blower operations in step I are repeated, until the gas pressure in gas cylinder reaches 16~20MPa, are further continued for testing；
5. the operation of step 3., 4. is repeated, until completing air mass flow experiment.
Compared with prior art, the invention has the advantages that：
1st, the present invention fires lubricating oil nozzle for aero-engine and cavity parts provide a kind of both being sealed property and try
It tests, and the dedicated unit of air flow property experiment can be carried out, two kinds of experiments can be carried out by possessing a table apparatus, thus can not only be subtracted
The making of few experimental rig or acquisition expenses, and the installation space of experimental rig can be saved, reduce experimentation cost.
2nd, the air mass flow due to aerial motor spare part of the present invention and the supercharging gas storage in 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 of Pass Test requirement, thus using testing stand of the present invention lubricating oil nozzle and cavity can be fired to aero-engine
Parts carry out the leakproofness of hot and cold two states and air flow property experiment, and guarantee test knot under different pressures
The accuracy of fruit.
3rd, the air mass flow due to aerial motor spare part of the present invention and the test system in seal tightness test platform
It is made of supply branch, first exhaust branch and second exhaust branch, therefore to the experiment of being sealed property of testpieces, air flow
Property experiment it is easy to operate, test efficiency is high.
4th, the air mass flow of aerial motor spare part of the present invention and the supercharging gas storage system in seal tightness test platform
Security is good when humidity, the temperature and pressure of Adjustment Tests gas are not only convenient for the structure of regulating system, and being run.
5th, the air mass flow of aerial motor spare part of the present invention and seal tightness test platform except absorption drier and
Outside 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.
6th, the air mass flow of aerial motor spare part of the present invention and sealing test method are simple, are easy to grasp.
Description of the drawings
Fig. 1 is structure diagram of the air mass flow with seal tightness test platform of aerial motor spare part of the present invention；
Fig. 2 is that control system, supercharging gas storage system, regulating system and a kind of gas circuit principle for testing system are supplied in Fig. 1
Figure；
Fig. 3 is front view of the air mass flow with seal tightness test platform shape of aerial motor spare part of the present invention；
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 control panel figure of the air mass flow with seal tightness test platform of aerial motor spare part of the present invention.
In figure, 1 source of the gas master control valve, 2 gas source switch (normally closed), 3 first pressure gauges, 4 air intake filters, 5 absorption types do
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 superchargings
Switch pump (normally closed), 9.2 second supercharging switch pumps (normally closed), 10 gas cylinders switch (normally closed), 11 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 the 3rd 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 the 3rd flowmeters, 22 temperature
Spend sensor, 23.1 first pressure sensors, 23.2 second pressure sensors, 23.3 the 3rd 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
Air mass flow to aerial motor spare part of the present invention and sealing by way of example and in conjunction with the accompanying drawings
Property testing stand and test method are described further.
Embodiment 1
The air mass flow of aerial motor spare part described in the present embodiment and structure such as Fig. 1, Fig. 3 of seal tightness test platform,
Shown in Fig. 4, it is made of supply control system, supercharging gas storage system, regulating system, test system, electric-control system and stage body 29.
It is described supply control system, supercharging gas storage system, regulating system and test system structure it is as shown in Figure 2：Supply
Control system is sequentially connected in series and is formed by source of the gas master control valve 1, gas source switch 2, first pressure gauge 3 and air intake filter 4.Increase
Gas storage system is pressed to include absorption drier 5, the first pressure reducing valve 6, the first safety valve 7, the first air and increases the 8.1, second sky of air pump
Gas increases air pump 8.2, first and is pressurized the supercharging of switch pump 9.1, second switch pump 9.2, gas cylinder 11, the 10, second pressure of gas cylinder switch
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 with supplying gas control
The outlet of filter 4 connection in system processed, the gas outlet of absorption drier increase 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 exported with the filter 4 in supply control system by pipe fitting and connected,
The driving gas import that the outlet of first pressure reducing valve increases air pump 8.1, the second air increasing air pump 8.2 by pipe fitting and the first air connects
It connects；First safety valve 7 is mounted on the outlet of the first pressure reducing valve 6 of connection and the driving gas import of the first air increasing air pump 8.1
Pipe fitting on；The import of the first supercharging switch pump 9.1 is exported by pipe fitting with the filter 4 in supply control system to be connected
It connects, the outlet of the first supercharging switch pump is attached by the first air guide import of pipe fitting and the first air increasing air pump 8.1；Described
The import of two supercharging switch pumps 9.2 is exported by pipe fitting with the filter 4 in supply control system to be connected, the second supercharging 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 and is connected in series for interlock type, 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 supercharging switch pump 9.1, are then turned on the second supercharging switch pump 9.2；The gas cylinder is opened
Close 10 outlet by pipe fitting formed two branches, respectively with gas cylinder 11,12 and first air supply valve 14 of second pressure gauge
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, the 3rd safety valve 17,
Heat exchanger 18, cooling-water machine 27,19 and second air supply valve 20 of deflation pressure regulator valve；The import of second pressure reducing valve 15 passes through pipe fitting
Outlet with the first air supply valve 14 in supercharging gas storage system is connected, and 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 connected by pipe fitting with the air inlet of heat exchanger 18, and heat exchanger gas outlet passes through pipe fitting
Import with deflation pressure regulator valve 19 is connected, and the outlet of deflation pressure regulator valve is connected by the import of pipe fitting and the second air supply valve 20；
3rd 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 system is by the different first exhaust branch of supply branch and flow
Road, second exhaust branch composition, supply branch include 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 pipe fitting and the second air supply valve 20 in regulating system
Outlet connection, the outlet of flowmeter is connected 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 parts, 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 parts with detected aero-engine is connected, and first exhaust is soft
The outlet of pipe is connected 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 connects, and the second pressure sensor 23.2 is 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 switchs the 26, the 3rd pressure sensor
23.3 and the 3rd 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 gas outlet of mouth or cavity parts connects, and the outlet of 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 connected by pipe fitting with 21.3 import of the 3rd flowmeter, the 3rd pressure sensor
23.3 are mounted on connection second exhaust switch outlet and the pipe fitting of the 3rd 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 quantitys module is formed, and is bought (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, babinet front upper face in order to control
Plate 29.1.In addition to the cooling-water machine 27 in the absorption drier 5 and regulating system being pressurized in gas storage system, supply control system
System, supercharging gas storage system, regulating system, test system 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 source of the gas 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 the 10, first supercharging switch pump 9.1, second 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 the 3rd safety valve 17 are solenoid valve；The first flowmeter 21.1, second
21.2 and the 3rd flowmeter 21.3 of flowmeter is mass flowmenter.
Embodiment 2
The present embodiment is using air mass flow described in embodiment 1 with seal tightness test platform to firing lubricating oil nozzle to aero-engine
With the experiment of being sealed property of cavity parts and air mass flow experiment.Step is as follows：
I experiment prepares
1. the supply control system of checkout facility platform, supercharging gas storage system, regulating system, test system and electric-control system have
Fault-free, if possess experimental condition, solved if pinpointing the problems, make testing stand each system be in meet experiment normally into
Capable state；Possessing experimental condition includes：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. opening source of the gas master control valve 1, opening power supply, start absorption drier 5, observation shows 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 gas cylinder 11, then gas source switch 2 and gas cylinder switch 10 are opened, be then turned on the increasing of the first air
8.1 and second air boost pump 8.2 of press pump is pressurized, and the pressure that observation second pressure gauge 12 is shown is paid attention in pressurization
Value when the pressure value that second pressure gauge 12 is shown reaches 16~20MPa, closes the first air boost pump 8.1 and the second air
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 parts are mounted on fixture, it will be in test system
Air supply hose 24.1 is connected with the air inlet of testpieces, and ensures No leakage；
2. opening cooling-water machine 27, then the first air supply valve 14 and the second air supply valve 20 are opened successively and adjusts the second decompression
Valve 15 makes decompression downstream pressure for 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 supercharging 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 stability, record corresponding experiment
Data；
3. when be pressurized in gas storage system for gas storage gas cylinder 11 in gas pressure drop to 10MPa when, stop examination
It tests, repeats the blower operations in step I, until the gas pressure in 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；
III air mass flow is tested
1. testpieces aero-engine is fired lubricating oil nozzle or cavity parts are mounted on fixture, joined according to test flow
The first exhaust measurement branch or second exhaust branch in area requirement selection test system are examined, the supply in test system is soft
Pipe 24.1 is connected with the air inlet of testpieces, and first exhaust is measured to exhaust hose and experiment in branch or second exhaust branch
The exhaust outlet connection of part, and ensure No leakage；
2. open the first exhaust switch 25 or second exhaust switch 26 in exhaust measurement branch；
3. opening cooling-water machine 27, then the first air supply valve 14 and the second air supply valve 20 are opened successively and adjusts the second decompression
Valve 15 makes decompression downstream pressure for 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 supercharging 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 stability, record corresponding experiment
Data；
4. when be pressurized in gas storage system for gas storage gas cylinder 11 in gas pressure drop to 10MPa when, stop examination
It tests, repeats the blower operations in step I, until the gas pressure in 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 experiment.
Claims (7)
1. a kind of air mass flow of aerial motor spare part and seal tightness test platform, it is characterised in that including：
Control system is supplied, for blocking or turning on factory building compressed air；
Gas storage system is pressurized, for the factory building compressed air entered by supplying control system to be adjusted to needed for test gas
Humidity is simultaneously pressurized to pressure and is stored for 16~20MPa；
Regulating system, for the compression that will be 16~20MPa from the humidity Pass Test required pressure of supercharging gas storage system
Air carries out the adjustment of pressure and temperature, forms humidity, the test gas of pressure and temperature Pass Test requirement；
Test system for being connected with detected aero-engine combustion lubricating oil nozzle or cavity parts, makes to carry out self-adjusting system
Test gas into be detected aero-engine fire lubricating oil nozzle or being sealed property of cavity parts detection or make to come from
By being detected, aero-engine fires lubricating oil nozzle to the test gas of regulating system or cavity parts carry out air mass flow detection；
Electric-control system, for controlling supply control system, supercharging gas storage system, regulating system and test system state in which,
And the information of confession gas control system, supercharging gas storage system, regulating system and test system is preserved after being handled in the future
And display.
2. the air mass flow of aerial motor spare part and seal tightness test platform according to claim 1, it is characterised in that：
The supply control system is by source of the gas master control valve (1), gas source switch (2), first pressure gauge (3) and air intake filter
(4) it is sequentially connected in series composition；
The supercharging gas storage system includes absorption drier (5), the 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 supercharging switch pump (9.1), the second supercharging 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 suction
The air inlet of attached formula drying machine (5) is exported with the filter (4) in supply control system by pipe fitting and connected, absorption drier
Gas outlet increase the work gas import of air pump (8.1) by pipe fitting and the first air and be connected；The import of first pressure reducing valve (6)
It is exported and connected with the filter (4) in supply control system by pipe fitting, the outlet of the first pressure reducing valve is empty by pipe fitting and first
Gas increases the driving gas import connection of air pump (8.1), the second air increasing air pump (8.2)；First safety valve (7) is mounted on connection
The outlet of first pressure reducing valve (6) increases with the first air on the pipe fitting of driving gas import of air pump (8.1)；First booster pump is opened
The import for closing (9.1) exports connection, the outlet of the first supercharging switch pump by pipe fitting and the filter (4) in supply control system
The first air guide import for increasing air pump (8.1) with the first air by pipe fitting is attached；It is described second supercharging switch pump (9.2) into
Mouthful by pipe fitting with supply control system in filter (4) export connect, second supercharging switch pump outlet by pipe fitting with
The first air guide import that second air increases air pump (8.2) is attached；The work gas outlet that first air increases air pump (8.1) is logical
The work gas import that pipe fitting is crossed with the second air increasing air pump (8.2) is connected, and the work gas outlet that the second air increases air pump (8.2) is logical
The import that pipe fitting is crossed with gas cylinder switch (10) is connected；The outlet of the gas cylinder switch (10) forms two branches by pipe fitting, point
Import not with gas cylinder (11), second pressure gauge (12) and the first air supply valve (14) is connected；Second safety valve
(13) it is mounted on the pipe fitting between the outlet and the first air supply valve import of connection gas cylinder switch；
The regulating system includes the second pressure reducing valve (15), the 4th pressure sensor (23.4), main pressure regulator valve (16), the 3rd safety
Valve (17), heat exchanger (18), cooling-water machine (27), deflation pressure regulator valve (19) and the second air supply valve (20)；Second pressure reducing valve
(15) import is connected by pipe fitting with the outlet of the first air supply valve (14) in supercharging gas storage system, the outlet of the second pressure reducing valve
It is connected by pipe fitting with the import of main pressure regulator valve (16), the 4th pressure sensor (23.4) is mounted on the second pressure reducing valve of connection
Outlet and main pressure regulator valve import pipe fitting on；The air inlet that the outlet of the main pressure regulator valve (16) passes through pipe fitting and heat exchanger (18)
Mouth connection, heat exchanger gas outlet are connected by pipe fitting with the import of deflation pressure regulator valve (19), and the outlet of deflation pressure regulator valve passes through pipe
The import connection of part and the second air supply valve (20)；3rd safety valve (17) is mounted on the outlet of connection main pressure regulator valve and heat exchange
On the pipe fitting of device air inlet, the water outlet of the cooling-water machine (27) is connected by the water inlet of pipe fitting and heat exchanger；
The test system is made of supply branch, first exhaust branch and second exhaust branch, and supply branch includes first-class
Gauge (21.1), temperature sensor (22), first pressure sensor (23.1) and air supply hose (24.1), the first flowmeter
(21.1) import is connected 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 connected 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 connection of cavity parts, 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 switchs
(25), second pressure sensor (23.2) and second flowmeter (21.2), the import of the first exhaust hose (24.2) are used for
The gas outlet that lubricating oil nozzle or cavity parts are fired with detected aero-engine is connected, and the outlet of first exhaust hose passes through pipe
Part is connected with the import of first exhaust switch (25), and the outlet of first exhaust switch (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), the 3rd pressure sensing
Device (23.3) and the 3rd flowmeter (21.3), the import of the second exhaust hose (24.3) are used for and detected aero-engine
The gas outlet connection of lubricating oil nozzle or cavity parts 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 connected by pipe fitting with the 3rd flowmeter (21.3) import, described
3rd pressure sensor (23.3) is mounted on connection second exhaust switch outlet and the pipe fitting of the 3rd flowmeter import；
The electric-control system is mainly made of programmable logic controller (PLC).
3. the air mass flow of aerial motor spare part and seal tightness test platform according to claim 2, it is characterised in that institute
State supercharging gas storage system in the first air increase air pump (8.1), the second air increase air pump (8.2) be connected in series for interlock type,
Under the control of programmable logic controller (PLC), when operation, first opens the first supercharging switch pump (9.1), is then turned on the second supercharging switch pump
(9.2)。
4. the air mass flow of aerial motor spare part and seal tightness test platform according to Claims 2 or 3, it is characterised in that
Stage body (29) is further included, the stage body is box typed structure；Source of the gas master control valve (1), the source of the gas of the 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 supercharging gas storage
The absorption drier (5) of system is mounted on outside stage body, is pressurized the first pressure reducing valve (6), the first safety valve of gas storage system
(7), the first air increases air pump (8.1), the second air increases air pump (8.2), the first supercharging switch pump (9.1), the second booster pump are opened
Close (9.2), 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), the 3rd 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 outside stage body；The survey
Supply branch, first exhaust branch and the device in second exhaust branch and component of test system 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.
5. the air mass flow of aerial motor spare part and seal tightness test platform according to Claims 2 or 3, it is characterised in that
The source of the gas 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 supercharging switch pump (9.1), second supercharging 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 the 3rd safety valve (17) are solenoid valve；Described
Flow meters (21.1), second flowmeter (21.2) and the 3rd flowmeter (21.3) are mass flowmenter.
6. the air mass flow of aerial motor spare part and seal tightness test platform according to claim 4, it is characterised in that institute
Source of the gas master control valve (1) is stated as 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 source of the gas is opened
Close (2), gas cylinder switch (10), the first supercharging switch pump (9.1), the second supercharging 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 the 3rd safety valve (17) are solenoid valve；It is described first-class
Gauge (21.1), second flowmeter (21.2) and the 3rd flowmeter (21.3) are mass flowmenter.
7. the air mass flow and sealing test method of aerial motor spare part, it is characterised in that in usage right requirement 1 to 6
Air mass flow described in any claim and seal tightness test platform, step are as follows：
I experiment prepares
1. the supply control system of checkout facility platform, supercharging gas storage system, regulating system, test system and electric-control system have without reason
Barrier, if possess experimental condition, solved if pinpointing the problems, be in each system of testing stand and meet what experiment was normally carried out
State；
2. start checks the pressure of factory building compressed air, factory building compressed air pressure is adjusted in 0.6~0.8MPa；
3. it starts shooting to the humidity that test gas is complied with into the factory building compressed air progress humidity adjustment of supercharging gas storage system
It is required that and be pressurized, when be pressurized in gas storage system for gas storage gas cylinder in gas pressure reach 16~20MPa when stop
It is pressurized and is stored；
II seal tightness test
1. testpieces aero-engine is fired into lubricating oil nozzle or cavity parts are mounted on fixture, by the supply in test system
The air inlet of hose and testpieces connects, and ensures No leakage；
2. the humidity Pass Test requirement from supercharging gas storage system, the air that pressure is 16~20MPa are passed through into regulating system
It is adjusted to the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure stability, record
Corresponding test data；
3. when be pressurized in gas storage system for gas storage gas cylinder in gas pressure drop to 10MPa when, stop experiment, repeat
Blower operations in step I until the gas pressure in gas cylinder reaches 16~20MPa, are further continued for testing；
4. the operation of step 2., 3. is repeated, until completing seal tightness test；
III air mass flow is tested
1. testpieces aero-engine is fired lubricating oil nozzle or cavity parts are mounted on fixture, model is referred to according to test flow
The branch of exhaust measurement accordingly in requirement selection test system is enclosed, by the air supply hose and the air inlet of testpieces in test system
The exhaust outlet of the exhaust hose being vented in measurement branch and testpieces is connected, and ensures No leakage by connection；
2. open the air discharge cook in exhaust measurement branch；
3. the humidity Pass Test requirement from supercharging gas storage system, the air that pressure is 16~20MPa are passed through into regulating system
It is adjusted to the satisfactory test gas of humidity, pressure and temperature and inputs testpieces, after test gas pressure stability, record
Corresponding test data；
4. when be pressurized in gas storage system for gas storage gas cylinder in gas pressure drop to 10MPa when, stop experiment, repeat
Blower operations in step I until the gas pressure in gas cylinder reaches 16~20MPa, are further continued for testing；
5. the operation of step 3., 4. is repeated, until completing air mass flow experiment.
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| CN109580233A (en) * | 2018-11-20 | 2019-04-05 | 中国航发贵州黎阳航空动力有限公司 | A kind of sealing device for channel gas flow test |
| CN110595789A (en) * | 2019-10-27 | 2019-12-20 | 楼蓝科技(苏州)有限公司 | Flow table system for debugging air flow of gas turbine |
| CN110887665A (en) * | 2019-11-05 | 2020-03-17 | 芜湖市极星航空科技有限公司 | Air flow test device for compact aero-engine case |
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| CN110887665A (en) * | 2019-11-05 | 2020-03-17 | 芜湖市极星航空科技有限公司 | Air flow test device for compact aero-engine case |
| CN112414720A (en) * | 2020-11-23 | 2021-02-26 | 东方电气集团东方汽轮机有限公司 | Gas turbine secondary air system rotation test device and test method |
| CN112595600A (en) * | 2020-12-14 | 2021-04-02 | 沈阳航天新光集团有限公司 | Gas-driven short-distance and remote control test system |
| CN112945534A (en) * | 2021-02-07 | 2021-06-11 | 浙江燃创透平机械股份有限公司 | Gas turbine component air flow test bed and test method |
| CN112945534B (en) * | 2021-02-07 | 2022-10-11 | 浙江燃创透平机械股份有限公司 | Gas turbine component air flow test bed and test method |
| CN113008459A (en) * | 2021-02-26 | 2021-06-22 | 宁波央腾汽车电子有限公司 | Gas constant temperature device for detecting sealing performance of parts |
| CN114087535A (en) * | 2021-12-09 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Temperature and pressure adjustable air supply system |
| CN115876265A (en) * | 2023-02-16 | 2023-03-31 | 西安成立航空制造有限公司 | Aero-engine nozzle flow detection device |
| CN115876265B (en) * | 2023-02-16 | 2023-05-16 | 西安成立航空制造有限公司 | Aeroengine nozzle flow detection device |
| CN116412974A (en) * | 2023-06-09 | 2023-07-11 | 江苏奥琳斯邦装备科技股份有限公司 | Sealing detection device for heat exchanger |
| CN116412974B (en) * | 2023-06-09 | 2023-10-31 | 江苏奥琳斯邦装备科技股份有限公司 | Sealing detection device for heat exchanger |
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