CN106706290A - Water flow rate testing device of turbine blade of aviation engine - Google Patents
Water flow rate testing device of turbine blade of aviation engine Download PDFInfo
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- CN106706290A CN106706290A CN201611193352.9A CN201611193352A CN106706290A CN 106706290 A CN106706290 A CN 106706290A CN 201611193352 A CN201611193352 A CN 201611193352A CN 106706290 A CN106706290 A CN 106706290A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a water flow rate testing device of a turbine blade of an aviation engine. The water flow rate testing device comprises a water tank, a coarse filter, a water pump, a pressure gauge, a fine filter, a main path voltage regulation valve, a blade clamp, a worktable, a bypass flow passage, at least two parallel measuring branch lines, a temperature sensor and a pressure sensor, wherein the bypass flow passage is provided with a bypass adjusting valve; a cutoff valve and a flowmeter are arranged on each measuring branch line from the water inlet end to the water outlet end; the flowmeters on the measuring branch lines have different ranges. The water flow rate testing device of the turbine blade of the aviation engine has the advantages that the water flow rates of flow passages and air film holes of different turbine blades can be measured by one testing device, and the measuring accuracy is improved.
Description
Technical field
The invention belongs in aero-engine non-standard field, more particularly to a kind of engine turbine blade water-carrying capacity experiment
Device.
Background technology
According to engine turbine blade manufacture claim, water-carrying capacity experiment need to be carried out to blade, by measuring turbo blade gas
The water-carrying capacity inspection blade air film hole situation and inner flow passage processing situation of fenestra and runner, ginseng is provided to select installation blade
Examine, this just needs to use water-carrying capacity experimental rig.Existing aero engine turbine blades water-carrying capacity test device is mainly two kinds.
The first structure principle chart as shown in fig. 6, by water tank 1, tank switch 2, coarse filter 3, water pump 4, pressure gauge 5, buffer 20,
The compositions such as fine filter 6, main road pressure regulator valve, flowmeter 9, workbench 13, bypass manual pressure regulating valve 14.The device is in process of the test
In need frequent starting water pump and manual voltage regulation.Second experimental rig structure principle chart is as shown in fig. 7, the device is at the first
Line optimization has been carried out on the basis of experimental rig, bypass automatic switch 22, main road automatic switch 24 and equivalent nozzle 23 has been increased,
The automatic switchover of equivalent loop and test pipeline is realized, frequent starting water pump and manual voltage regulation during experiment is solved the problems, such as.
But both experimental rigs all have common defect, i.e., only it is provided with a flowmeter.Due to being provided only with a flow
Meter, existing two kinds of experimental rigs can only measure to the water-carrying capacity of the runner of a certain turbo blade and air film hole, when with
When same experimental rig measures the water flow volume of turbine blade of different flow value, then certainty of measurement can be brought relatively low in addition error compared with
Big problem, because the characteristic of flowmeter is that certainty of measurement is higher in the range of optimum measurement in the middle part of its range, close
The minimum value of the range and two ends scope certainty of measurement of maximum is relatively low or even error is larger.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of engine turbine blade water-carrying capacity experiment dress
Put, to realize being measured with same experimental rig the runner of various different turbo blades and the water-carrying capacity of air film hole, and improve survey
Accuracy of measurement.
Aero engine turbine blades water-carrying capacity experimental rig of the present invention, including water tank, coarse filter, water pump, pressure
Power table, fine filter, main road pressure regulator valve, blade fixture, workbench, the bypass stream that is provided with bypass valve, its feature exist
In also including the measurement branch road and temperature sensor and pressure sensor of at least two parallel connections, each measurement branch road from water inlet end to
The flowmeter that water side is installed on a stop valve and a flowmeter, and each measurement branch road successively has different ranges；
The water outlet of water tank is connected by pipe fitting with the water inlet of coarse filter, is installed on the pipe fitting at water outlet of water tank
The delivery port for having tank switch, the coarse filter is connected by pipe fitting with the water inlet of water pump, and the delivery port of water pump is by pipe
Part is connected with the water inlet of fine filter, and the pressure gauge is arranged on the pipe fitting of connection water pump and fine filter, the main road
The water inlet of pressure regulator valve is connected by pipe fitting with the delivery port of fine filter, the delivery port of main road pressure regulator valve by a pipe fitting and
Multiple way union is connected with the water inlet end of each measurement branch road, and the water side of each measurement branch road passes through multiple way union and a pipe fitting
Connected with the water inlet for placing blade fixture on the table, the delivery port of workbench is connected with water tank, the TEMP
Device, pressure sensor are arranged on the pipe fitting of connection multiple way union and blade fixture water inlet, the water inlet of the bypass stream
End connects with the delivery port of main road pressure regulator valve, and the water side for bypassing stream connects with water tank.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, main road pressure regulator valve is micro- by main road main inlet control valve and main road
Regulating valve is connected in parallel.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, the water pump is centrifugal pump.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, the experimental rig is provided with switch board, the pressure
Stop valve and flowmeter and phase in table, fine filter, main road pressure regulator valve, bypass valve, temperature sensor, each measurement branch road
Connection jointed tubular workpieces are located in switch board, and the survey measurements dial plate of each instrument and the control button of each valve or knob are embedded in switch board
Control panel on reserve window in.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, the experimental rig is provided with working cabined, the blade
Fixture and workbench are located in working cabined, and the pressure sensor is located at outside working cabined.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, the delivery port of the workbench passes through return flume or pipe
Part is connected with water tank.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, the water tank is provided with discharge outlet and top cover.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, the main road main inlet control valve, main road fine adjustment valve, side
Road regulating valve is needle valve, and the stop valve in the measurement branch road is magnetic valve, and the tank switch is ball valve.
Above-mentioned aero engine turbine blades water-carrying capacity experimental rig, the flow is calculated as mass flowmenter.
Aero engine turbine blades water-carrying capacity experimental rig of the present invention carries out the measurement of engine turbine blade current
The method of amount, step is as follows：
(1) by engine turbine blade clamping on blade fixture, according to the survey of blade reference range of flow selection matching
Amount branch road, opens the stop valve of corresponding measurement branch road, closes the stop valve of other measurement branch roads；
(2) water pump is opened, while adjusting main road main inlet control valve, main road fine adjustment valve and bypass valve, makes pressure sensing
The numerical value that device is measured is identical with measurement request numerical value, then reads the meter readings on measurement branch road, obtains the water of the blade
Flow value；
(3) main road main inlet control valve, main road fine adjustment valve and bypass valve are closed, the turbo blade for having measured is removed, is filled
With the next turbo blade that need to be measured in the range of same reference flow in batch on folder,
(4) main road main inlet control valve, main road fine adjustment valve and bypass valve are readjusted, makes the number that pressure sensor is measured
Value is identical with the numerical value of measurement request, reads the meter readings on measurement branch road, obtains the water flow value of the blade；
(5) repeat the above steps (3), the operation of step (4), until with the turbine in the range of same reference flow in batch
Blade measuring water flow is finished.
Threedimensional model when reference flow in the above method is by Design Turbine Blade is calculated.
Compared with prior art, the invention has the advantages that:
1. the invention provides a kind of new for engine turbine blade water-carrying capacity experimental rig.
2. engine turbine blade water-carrying capacity experimental rig of the present invention is due in parallel many on same measurement main road
The flowmeter of individual different ranges, forms multiple measurement branch roads, and the current of the runner and air film hole that meet different turbo blades are measured
The need for amount convection current flowmeter measurement range, make the water-carrying capacity of the runner of different turbo blades and air film hole in the optimal of flowmeter
In certainty of measurement range, realize same experimental rig and measure the runner of various different turbo blades and the water-carrying capacity of air film hole
And improve certainty of measurement.
3. the water pump of engine turbine blade water-carrying capacity experimental rig of the present invention selects centrifugal pump, due to centrifugal water pump
Working characteristics, close when delivery port changes blade water pump in the same old way normal work and delivery port without flow, it is to avoid traditional whirlpool
Impeller blade water-carrying capacity test device needs frequent starting water pump, the problem for causing operating efficiency not high.
Brief description of the drawings
Fig. 1 is the structure principle chart of aero engine turbine blades water-carrying capacity experimental rig of the present invention；
Fig. 2 is aero engine turbine blades water-carrying capacity experimental rig side front of the present invention three-dimensional structure diagram.
Fig. 3 is the cut-away view after Fig. 2 opens cabinet door.
Fig. 4 is aero engine turbine blades water-carrying capacity experimental rig side rear of the present invention three-dimensional structure diagram.
Fig. 5 is the cut-away view after 4 opening cabinet doors.
Fig. 6 is the structure principle chart of existing the first aero engine turbine blades water-carrying capacity test device.
Fig. 7 is the structure principle chart of existing second aero engine turbine blades water-carrying capacity test device.
In figure, 1-water tank, 2-tank switch, 3-coarse filter, 4-water pump, 5-pressure gauge, 6-fine filter, 7-
1-main road main inlet control valve, 7-2-main road fine adjustment valve, 8-1-the first stop valve, 8-2-the second stop valve, 9-1-first-class
Gauge, 9-2-second flowmeter, 10-temperature sensor, 11-pressure sensor, 12-blade fixture, 13-workbench,
14-bypass valve, 15-switch board, 15-1-control panel, 16-working cabined, 17-flexible pipe, 18-return flume, 19-
Discharge outlet, 20-buffer, 21-bypass automatic switch, 22-equivalent nozzle, 23-main road automatic switch.
Specific embodiment
Further is made to engine turbine blade water-carrying capacity experimental rig of the present invention below by specific embodiment
Explanation.
Embodiment 1
Aero engine turbine blades water-carrying capacity experimental rig described in the present embodiment, structure is as shown in Fig. 1~5, including sets
It is equipped with water tank 1, coarse filter 3, centrifugal pump 4, pressure gauge 5, fine filter 6, main road pressure regulator valve, the blade of discharge outlet 19 and top cover
Fixture 12, workbench 13, bypass stream, the measurement branch road and temperature sensor 10 of two parallel connections that bypass valve 14 is installed
With pressure sensor 11；Two measurement branch roads of parallel connection are the first measurement branch road, the second measurement branch road, and the first measurement branch road is from entering
Water end (W.E.) installs the first stop valve 8-1, first flowmeter 9-1 to water side successively, and the second measurement branch road is from water inlet end to water side
Second stop valve 8-2, second flowmeter 9-2 are installed successively.
The delivery port of the water tank 1 is connected by pipe fitting with the water inlet of coarse filter 3, is pacified on the pipe fitting at water outlet of water tank
Equipped with tank switch 2, the delivery port of the coarse filter is connected by pipe fitting with the water inlet of centrifugal pump 4, the water outlet of centrifugal pump
Mouth is connected by pipe fitting with the water inlet of fine filter 6, and the pressure gauge 5 is arranged on the pipe fitting of connection centrifugal pump and fine filter
On, the water inlet of the main road pressure regulator valve is connected by pipe fitting with the delivery port of fine filter 6, and the delivery port of main road pressure regulator valve leads to
Cross a pipe fitting and two-way pipe joint to be connected with the water inlet end of each measurement branch road, the water side of each measurement branch road is connect by bipass
Head and a pipe fitting are connected with the water inlet of the blade fixture 12 being placed on workbench 13, and the delivery port of workbench passes through backwater
Groove 18 or pipe fitting are connected with water tank, and the temperature sensor 10, pressure sensor 11 are arranged on connection two-way pipe joint and blade
On the pipe fitting of fixture water inlet, the water inlet end of the bypass stream is connected with the delivery port of main road pressure regulator valve, bypasses going out for stream
Water end (W.E.) is connected with water tank.
The experimental rig is provided with switch board 15, the pressure gauge 5, fine filter 6, main road pressure regulator valve, bypass valve
14th, the stop valve and flowmeter and relevant connection pipe fitting in temperature sensor 10, each measurement branch road are located in switch board, each instrument
Survey measurements dial plate and each valve control button or knob insertion switch board control panel 15-1 on reserve window in,
The switch board back side relative with control panel and a side are set to dismountable door panel structure.The experimental rig is provided with work
Make cabinet 16, in 13 working cabineds of the blade fixture 12 and workbench, the pressure sensor 11 is located at outside working cabined.
The main road pressure regulator valve is connected in parallel by main road main inlet control valve 7-1 and main road fine adjustment valve 7-2.Main road homophony
Section valve, main road fine adjustment valve, bypass valve 14 are needle valve.The tank switch 2 is ball valve.First stop valve,
Two stop valves are magnetic valve, and first flowmeter, second flowmeter are mass flowmenter.The range of the first mass flowmenter is
0~2800g/s, the range of the second mass flowmenter is 0~500g/s.
Engine turbine blade measuring water flow is carried out using above-mentioned aero engine turbine blades water-carrying capacity experimental rig
Method, step is as follows：
(1) by engine turbine blade clamping on blade fixture, according to blade reference range of flow 400g/s-2800g/
S selections first measure branch road, open the first stop valve, close the second the second stop valve for measuring branch road；
(2) centrifugal pump is opened, while adjusting main road main inlet control valve, main road fine adjustment valve and bypass valve, passes pressure
The numerical value that sensor is measured is identical with measurement request numerical value, then reads the meter readings on measurement branch road, obtains the blade
Water flow value；
(3) main road main inlet control valve, main road fine adjustment valve and bypass valve are closed, the turbo blade for having measured is removed, is filled
With the next turbo blade that need to be measured in the range of same reference flow in batch on folder,
(4) main road main inlet control valve, main road fine adjustment valve and bypass valve are readjusted, makes the number that pressure sensor is measured
Value is identical with the numerical value of measurement request, reads the meter readings on measurement branch road, obtains the water flow value of the blade；
(5) repeat the above steps (3), the operation of step (4), until with the turbine in the range of same reference flow in batch
Blade measuring water flow is finished.
Claims (10)
1. aero engine turbine blades water-carrying capacity experimental rig, including water tank (1), coarse filter (3), water pump (4), pressure gauge
(5), fine filter (6), main road pressure regulator valve, blade fixture (12), workbench (13), the bypass that is provided with bypass valve (14)
Stream, it is characterised in that also including at least two the measurement branch roads and temperature sensor (10) and pressure sensor (11) of parallel connection,
Each measurement branch road installs the stream on a stop valve and a flowmeter, and each measurement branch road successively from water inlet end to water side
Gauge has different ranges；
Water tank (1) delivery port is connected by pipe fitting with the water inlet of coarse filter (3), is pacified on the pipe fitting at water outlet of water tank
Equipped with tank switch (2), the delivery port of the coarse filter is connected by pipe fitting with the water inlet of water pump (4), the water outlet of water pump
Mouth is connected by pipe fitting with the water inlet of fine filter (6), and the pressure gauge (5) is installed in connection water pump and the pipe of fine filter
On part, the water inlet of the main road pressure regulator valve is connected by pipe fitting with the delivery port of fine filter (6), the water outlet of main road pressure regulator valve
Mouth is connected by a pipe fitting and multiple way union with the water inlet end of each measurement branch road, and the water side of each measurement branch road passes through to lead to more
Pipe joint and a pipe fitting are connected with the water inlet of the blade fixture (12) being placed on workbench (13), the delivery port of workbench
Connected with water tank, the temperature sensor (10), pressure sensor (11) enter installed in connection multiple way union and blade fixture
On the pipe fitting at the mouth of a river, it is described bypass stream water inlet end connect with the delivery port of main road pressure regulator valve, bypass stream water side and
Water tank is connected.
2. aero engine turbine blades water-carrying capacity experimental rig according to claim 1, it is characterised in that main road pressure regulator valve
It is connected in parallel by main road main inlet control valve (7-1) and main road fine adjustment valve (7-2).
3. aero engine turbine blades water-carrying capacity experimental rig according to claim 1 or claim 2, it is characterised in that the water pump
It is centrifugal pump.
4. aero engine turbine blades water-carrying capacity experimental rig according to claim 1 or claim 2, it is characterised in that the experiment is filled
Install and be equipped with switch board (15), the pressure gauge, fine filter, main road pressure regulator valve, bypass valve, temperature sensor, each survey
Stop valve and flowmeter and relevant connection pipe fitting in amount branch road are located in switch board, the survey measurements dial plate and each valve of each instrument
In the window reserved on the control panel (15-1) of control button or knob the insertion switch board of door.
5. aero engine turbine blades water-carrying capacity experimental rig according to claim 1 or claim 2, it is characterised in that the experiment is filled
Install and be equipped with working cabined (16), the blade fixture and workbench are located in working cabined, and the pressure sensor is located at working cabined
Outward.
6. aero engine turbine blades water-carrying capacity experimental rig according to claim 1 or claim 2, it is characterised in that the work
The delivery port of platform is connected by return flume (18) or pipe fitting with water tank.
7. aero engine turbine blades water-carrying capacity experimental rig according to claim 1 or claim 2, it is characterised in that the water tank
It is provided with discharge outlet (19) and top cover.
8. aero engine turbine blades water-carrying capacity experimental rig according to claim 2, it is characterised in that the main road master
Regulating valve (7-1), main road fine adjustment valve (7-2), bypass valve (14) are needle valve, and the stop valve in the measurement branch road is
Magnetic valve, the tank switch is ball valve.
9. aero engine turbine blades water-carrying capacity experimental rig according to claim 1 or claim 2, it is characterised in that the flow
It is calculated as mass flowmenter.
10. carried out using aero engine turbine blades water-carrying capacity experimental rig described in any claim in claim 1~9
The method of engine turbine blade measuring water flow, it is characterised in that step is as follows：
(1) by engine turbine blade clamping on blade fixture, according to the measurement branch of blade reference range of flow selection matching
Road, opens the stop valve of corresponding measurement branch road, closes the stop valve of other measurement branch roads；
(2) water pump is opened, while adjusting main road main inlet control valve, main road fine adjustment valve and bypass valve, surveys pressure sensor
The numerical value for obtaining is identical with measurement request numerical value, then reads the meter readings on measurement branch road, obtains the water-carrying capacity of the blade
Value；
(3) main road main inlet control valve, main road fine adjustment valve and bypass valve are closed, the turbo blade for having measured is removed, on clamping
With the next turbo blade that need to be measured in the range of same reference flow in batch,
(4) main road main inlet control valve, main road fine adjustment valve and bypass valve are readjusted, make numerical value that pressure sensor measures with
The numerical value of measurement request is identical, reads the meter readings on measurement branch road, obtains the water flow value of the blade；
(5) repeat the above steps (3), the operation of step (4), until with the turbo blade in the range of same reference flow in batch
Measuring water flow is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193352.9A CN106706290A (en) | 2016-12-21 | 2016-12-21 | Water flow rate testing device of turbine blade of aviation engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193352.9A CN106706290A (en) | 2016-12-21 | 2016-12-21 | Water flow rate testing device of turbine blade of aviation engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106706290A true CN106706290A (en) | 2017-05-24 |
Family
ID=58938699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611193352.9A Pending CN106706290A (en) | 2016-12-21 | 2016-12-21 | Water flow rate testing device of turbine blade of aviation engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106706290A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469390A (en) * | 2018-01-26 | 2018-08-31 | 浙江理工大学 | Detachable loop-type single-phase flow wash-out testing device |
| CN109406220A (en) * | 2017-08-16 | 2019-03-01 | 咸东锡 | Gas sample collector and gas leak detection apparatus including it |
| 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 |
| CN110849632A (en) * | 2019-11-22 | 2020-02-28 | 中国航发沈阳黎明航空发动机有限责任公司 | Device and method for detecting water flow of aero-engine blade |
| CN111085955A (en) * | 2019-12-25 | 2020-05-01 | 贵阳航发精密铸造有限公司 | Method and clamp for measuring water flow of inner cavity of multi-connected complex hollow turbine blade |
| CN112161662A (en) * | 2020-09-29 | 2021-01-01 | 辽宁工程技术大学 | Vortex guide and combustion engine blade water flow testing device and method |
| CN113702013A (en) * | 2021-08-19 | 2021-11-26 | 东风汽车股份有限公司 | Engine body water jacket resistance testing device and testing method thereof |
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| CN203414260U (en) * | 2013-05-10 | 2014-01-29 | 西安航空动力股份有限公司 | Water flow test apparatus for turbine blade of aeroengine |
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| US20020088270A1 (en) * | 2001-01-09 | 2002-07-11 | Schumacher Thomas Phillip | Water-flow testing apparatus |
| CN2578797Y (en) * | 2002-10-23 | 2003-10-08 | 沈阳黎明航空发动机(集团)有限责任公司 | Device for testing water flow volume of turbine blade |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406220A (en) * | 2017-08-16 | 2019-03-01 | 咸东锡 | Gas sample collector and gas leak detection apparatus including it |
| CN108469390A (en) * | 2018-01-26 | 2018-08-31 | 浙江理工大学 | Detachable loop-type single-phase flow wash-out testing device |
| 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 |
| CN110849632A (en) * | 2019-11-22 | 2020-02-28 | 中国航发沈阳黎明航空发动机有限责任公司 | Device and method for detecting water flow of aero-engine blade |
| CN110849632B (en) * | 2019-11-22 | 2022-01-11 | 中国航发沈阳黎明航空发动机有限责任公司 | Device and method for detecting water flow of aero-engine blade |
| CN111085955A (en) * | 2019-12-25 | 2020-05-01 | 贵阳航发精密铸造有限公司 | Method and clamp for measuring water flow of inner cavity of multi-connected complex hollow turbine blade |
| CN112161662A (en) * | 2020-09-29 | 2021-01-01 | 辽宁工程技术大学 | Vortex guide and combustion engine blade water flow testing device and method |
| CN113702013A (en) * | 2021-08-19 | 2021-11-26 | 东风汽车股份有限公司 | Engine body water jacket resistance testing device and testing method thereof |
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Application publication date: 20170524 |