CN109632324A - A kind of experimental rig for nozzle liquid flow test - Google Patents
A kind of experimental rig for nozzle liquid flow test Download PDFInfo
- Publication number
- CN109632324A CN109632324A CN201811528921.XA CN201811528921A CN109632324A CN 109632324 A CN109632324 A CN 109632324A CN 201811528921 A CN201811528921 A CN 201811528921A CN 109632324 A CN109632324 A CN 109632324A
- Authority
- CN
- China
- Prior art keywords
- water inlet
- inlet pipe
- nozzle
- collector
- liquid flow
- Prior art date
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Classifications
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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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
Abstract
The present invention relates to a kind of experimental rig for nozzle liquid flow test, solve the problems, such as that the existing nozzle liquid flow test system test time is long, test efficiency is low, personnel labor intensity is big, which includes mounting rack and two groups of test devices；Test device includes drive cylinder, nozzle installing pipe and moving assembly；Nozzle installing pipe is fixed on mounting rack, and internal setting boss；Moving assembly includes the first water inlet pipe, the second water inlet pipe, collector and testing tube, and collector is tubular structure；First water inlet pipe, the second water inlet pipe pass through linear bearing respectively and are slidably disposed on mounting rack, first water inlet pipe, the second water inlet pipe lower end be respectively fixedly disposed at the two sides of collector top plate, and it is connected to collector inner cavity, testing tube is arranged in the middle part of the bottom plate of collector, and it is connected to collector inner cavity, drive cylinder is fixed on mounting rack, and is located among the first water inlet pipe and the second water inlet pipe, and telescopic rod is fixedly connected with the top plate of collector.
Description
Technical field
The present invention relates to test for nozzle flow fields, and in particular to a kind of experimental rig for nozzle liquid flow test.
Background technique
Nozzle liquid flow test is the important link of engine production, for the yield rate for ensuring nozzle, in nozzle liquid flow test
It needs that nozzle progress scene is reprocessed and tested again, every batch of test nozzle quantity nearly thousand, liquid stream according to technical requirements in the process
Test mission amount is larger.In traditional nozzle liquid flow test, the installation of product is that the mode being connected through a screw thread carries out product
It fixes and is tested, the installation and removal of product are all made of manual type, and such mode causes the assembly time of product in list
Larger specific gravity is accounted in the stage nozzle test period, labor intensity of operating staff is big, and the product testing period is long, and test efficiency is low, lag
Nozzle test period.
Summary of the invention
Present invention aim to address the existing nozzle liquid flow test system test time is long, test efficiency is low, personnel's labour
The big problem of intensity, provides a kind of experimental rig for nozzle liquid flow test, which can be effectively reduced manipulation strength, mention
High test efficiency.
The technical scheme is that
A kind of experimental rig for nozzle liquid flow test, including mounting rack and at least two groups test device；The test
Device includes drive cylinder, nozzle installing pipe and moving assembly；The nozzle installing pipe is fixed on mounting rack, and internal
It is provided with the boss for placing nozzle；Moving assembly includes the first water inlet pipe, the second water inlet pipe, collector and testing tube, collector
For tubular structure；First water inlet pipe, the second water inlet pipe pass through linear bearing respectively and are slidably disposed on mounting rack, first into
Water pipe, the second water inlet pipe lower end be respectively fixedly disposed at the two sides of collector top plate, and be connected to collector inner cavity, testing tube
It is arranged in the middle part of the bottom plate of collector, and is connected to collector inner cavity, drive cylinder is fixed on mounting rack, and is located at the
Among one water inlet pipe and the second water inlet pipe, telescopic rod is fixedly connected with the top plate of collector.
Further, the mounting rack includes upper plate, lower plate and support plate, and upper plate and lower plate pass through support plate
It is fixedly connected.
Further, the lower end of the testing tube is additionally provided with connecting tube.
Further, the connecting tube and nozzle installing pipe are seam allowance cooperation.
Further, the first sealing ring is provided on the contact surface of the connecting tube and nozzle installing pipe.
Further, it is provided with pressure tap on the testing tube, for connecting pressure instrumentataion.
Further, the second sealing ring is provided on the nozzle installing pipe and nozzle mounting surface.
Compared with prior art, the present invention having following technical effect that
1. experimental rig of the present invention for nozzle liquid flow test uses two groups of test devices, two product testings are realized
Be switched fast installation.During the test, station carries out nozzle test to nozzle, another station carry out nozzle it is fixed and
Installation；After the completion of the test of one stage nozzle, it is switched to the test that another station carries out another nozzle, switching time is 2 seconds, effectively
Piping connection in nozzle test installation process is shortened into 2s by 1min.
2. test device two-way water inlet pipe of the present invention design, water impact can be eliminated in single channel water inlet pipe to cylinder piston
Tangential loading force is generated, causes piston up-down clamping stagnation, and then influence the installation of product tooling.The design of two-way water inlet pipe, together
When can in the case where guaranteeing negotiability, reduce caliber, and then reduce tooling volume, achieve the effect that beauty.
3. cylinder is mounted on two-way water inlet tube hub by test device of the present invention, it is ensured that chucking device and product tooling
With one heart, cylinder action power can act on completely in product tooling, guarantee that tooling is effectively closed, guarantee the safe handling of tooling.
Cylinder is mounted on two-way water inlet tube hub, while can guarantee that chucking device and product tooling are concentric, cylinder action power can be with
It is acted in product tooling completely, guarantees that tooling is effectively closed, guarantee the safe handling of tooling.
Detailed description of the invention
Fig. 1 is the experimental rig schematic diagram that the present invention is used for nozzle liquid flow test；
Fig. 2 is test device structure chart of the present invention.
Appended drawing reference:, 1- mounting rack, 2- nozzle, 3- test device, 11- upper plate, 12- lower plate, 13- support plate,
31- drive cylinder, 32- nozzle installing pipe, the first water inlet pipe of 33-, the second water inlet pipe of 34-, 35- collector, 36- testing tube, 37-
Linear bearing, 38- pressure tap, 39- sealing ring, 310- connecting tube.
Specific embodiment
The contents of the present invention are described in further detail below in conjunction with the drawings and specific embodiments:
It is mainly used for rocket motor injector liquid flow test provided by the present invention for the experimental rig of nozzle liquid flow test,
Complete the three-level operating condition flow test of nozzle.
A kind of experimental rig for nozzle liquid flow test as depicted in figs. 1 and 2, including mounting rack 1 and two groups of tests
Device 3, mounting rack 1 include upper plate 11, lower plate 12 and support plate 13, and upper plate 11 and lower plate 12 are solid by support plate 13
Fixed connection.
Test device 3 includes drive cylinder 31, nozzle installing pipe 32 and moving assembly；Nozzle installing pipe 32 is fixed at
On lower plate 12, and it is internally provided with the annular convex platform for placing nozzle 2, is provided on 2 mounting surface of nozzle installing pipe 32 and nozzle
Second sealing ring 39.
Moving assembly includes the first water inlet pipe 33, the second water inlet pipe 34, collector 35, connecting tube 310 and testing tube 36, collection
Clutch 35 is tubular structure；First water inlet pipe 33, the second water inlet pipe 34 are slidably disposed in by linear bearing 37 respectively
On bottom plate 11, the first water inlet pipe 33, the second water inlet pipe 34 lower end be respectively fixedly disposed at the two sides of 35 top plate of collector, and with
The connection of 35 inner cavity of collector, testing tube 36 is arranged in the middle part of the bottom plate of collector 35, and is connected to 35 inner cavity of collector, is driven gas
Cylinder 31 is fixed on upper plate 11, and is located among the first water inlet pipe 33 and the second water inlet pipe 34, telescopic rod and set
The top plate of device 35 is fixedly connected, and pressure tap 38 is provided on testing tube 36, for installing pressure instrumentataion, to the pressure in testing tube 36
Power is detected.The lower end of testing tube 36 is additionally provided with connecting tube 310, connecting tube 310 and nozzle installing pipe 32 for seam allowance cooperation, even
The first sealing ring 39 is provided on adapter tube 310 and the contact surface of nozzle installing pipe 32.
Experimental rig of the present invention for nozzle liquid flow test is connect with external first transfer pipeline, the second transfer pipeline,
The outlet of first transfer pipeline is connect with one group of moving assembly, especially by three-way connection and the first of one of moving assembly
Water inlet pipe 33, the connection of the second water inlet pipe 34, the outlet of the second transfer pipeline is connect with another group of moving assembly, especially by threeway
Connector is connected to the first water inlet pipe 33 of another moving assembly, the second water inlet pipe 34, the first transfer pipeline, the second transfer pipeline with
External pumping source connection, to extract test liquid.
Nozzle 2 to be tested is transported to test device 3 to test, after product installs, drive cylinder 31, which drives, is moved
Dynamic component is mobile, so that connecting tube 310 be connected to nozzle installing pipe 32, and after passing through the sealing of sealing ring 39, test(ing) liquid is from spray
Pass through in mouth 2, product testing can be carried out, after separate unit is tested, the pressure of another way cylinder can be tested, and realize two
Product testing is switched fast.It realizes that nozzle 2 is installed rapid by drive cylinder 31, manipulation strength can be effectively reduced, mention
High test efficiency.
Claims (7)
1. a kind of experimental rig for nozzle liquid flow test, it is characterised in that: including mounting rack (1) and at least two groups test dress
Set (3)；
The test device (3) includes drive cylinder (31), nozzle installing pipe (32) and moving assembly；
The nozzle installing pipe (32) is fixed on mounting rack (1), and is internally provided with the boss for placing nozzle (2)；It moves
Dynamic component includes the first water inlet pipe (33), the second water inlet pipe (34), collector (35) and testing tube (36), and collector (35) is cylinder
Shape structure；First water inlet pipe (33), the second water inlet pipe (34) are slidably disposed in mounting rack by linear bearing (37) respectively
(1) on, the first water inlet pipe (33), the second water inlet pipe (34) lower end be respectively fixedly disposed at the two sides of collector (35) top plate,
And be connected to collector (35) inner cavity, testing tube (36) is arranged in the middle part of the bottom plate of collector (35), and interior with collector (35)
Chamber connection, drive cylinder (31) are fixed on mounting rack (1), and are located at the first water inlet pipe (33) and the second water inlet pipe (34)
Centre, telescopic rod are fixedly connected with the top plate of collector (35).
2. the experimental rig according to claim 1 for nozzle liquid flow test, it is characterised in that: the mounting rack (1)
Including upper plate (11), lower plate (12) and support plate (13), upper plate (11) and lower plate (12) are solid by support plate (13)
Fixed connection.
3. the experimental rig according to claim 2 for nozzle liquid flow test, it is characterised in that: the testing tube (36)
Lower end be additionally provided with connecting tube (310).
4. the experimental rig according to claim 3 for nozzle liquid flow test, it is characterised in that: the connecting tube
It (310) is seam allowance cooperation with nozzle installing pipe (32).
5. the experimental rig according to any one of claims 1 to 4 for nozzle liquid flow test, it is characterised in that: the company
The first sealing ring (39) are provided on adapter tube (310) and the contact surface of nozzle installing pipe (32).
6. the experimental rig according to claim 5 for nozzle liquid flow test, it is characterised in that: the testing tube (36)
On be provided with pressure tap (38), for connecting pressure instrumentataion.
7. the experimental rig according to claim 6 for nozzle liquid flow test, it is characterised in that: the nozzle installing pipe
(32) and on nozzle (2) mounting surface it is provided with the second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528921.XA CN109632324B (en) | 2018-12-13 | 2018-12-13 | Test device for nozzle liquid flow test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528921.XA CN109632324B (en) | 2018-12-13 | 2018-12-13 | Test device for nozzle liquid flow test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109632324A true CN109632324A (en) | 2019-04-16 |
| CN109632324B CN109632324B (en) | 2020-07-24 |
Family
ID=66073930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528921.XA Active CN109632324B (en) | 2018-12-13 | 2018-12-13 | Test device for nozzle liquid flow test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109632324B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259607A (en) * | 2019-07-31 | 2019-09-20 | 西安航天动力研究所 | A kind of variable thrust rocket engine or motor power room performance testing device |
| CN110595783A (en) * | 2019-08-20 | 2019-12-20 | 蓝箭航天技术有限公司 | Pump pressure type liquid flow test system |
| CN111896235A (en) * | 2020-07-31 | 2020-11-06 | 西安航天动力研究所 | Multifunctional integrated vertical fixed test bench |
| CN111947955A (en) * | 2020-07-31 | 2020-11-17 | 西安航天动力研究所 | Inner bottom liquid flow test device |
| CN112557044A (en) * | 2020-11-25 | 2021-03-26 | 西安航天动力研究所 | Double-component nozzle liquid flow performance testing device |
| CN113686566A (en) * | 2021-09-22 | 2021-11-23 | 西安航天动力研究所 | Liquid flow test device suitable for outer nozzle in partition plate nozzle assembly |
| CN114414228A (en) * | 2021-12-31 | 2022-04-29 | 西安航天动力研究所 | Automatic liquid flow test device for nozzle |
| CN114486213A (en) * | 2021-12-31 | 2022-05-13 | 西安航天动力研究所 | Integrated liquid flow test device with automatic nozzle clamping function |
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| CN203908762U (en) * | 2014-05-15 | 2014-10-29 | 温岭市涌艺清洁设备有限公司 | Nozzle testing machine of high-pressure cleaning machine |
| CN204964196U (en) * | 2015-09-02 | 2016-01-13 | 湖北三江航天江北机械工程有限公司 | Experimental testing arrangement of liquid engine nozzle liquid stream |
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| CN107356425A (en) * | 2017-09-04 | 2017-11-17 | 西安航天动力研究所 | A kind of nozzle liquid stream performance test frock structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259607A (en) * | 2019-07-31 | 2019-09-20 | 西安航天动力研究所 | A kind of variable thrust rocket engine or motor power room performance testing device |
| CN110259607B (en) * | 2019-07-31 | 2021-11-16 | 西安航天动力研究所 | Engine thrust chamber performance testing device for variable thrust rocket engine |
| CN110595783A (en) * | 2019-08-20 | 2019-12-20 | 蓝箭航天技术有限公司 | Pump pressure type liquid flow test system |
| CN111896235A (en) * | 2020-07-31 | 2020-11-06 | 西安航天动力研究所 | Multifunctional integrated vertical fixed test bench |
| CN111947955A (en) * | 2020-07-31 | 2020-11-17 | 西安航天动力研究所 | Inner bottom liquid flow test device |
| CN111896235B (en) * | 2020-07-31 | 2021-07-20 | 西安航天动力研究所 | Multifunctional integrated vertical fixed test bench |
| CN112557044B (en) * | 2020-11-25 | 2021-11-02 | 西安航天动力研究所 | Double-component nozzle liquid flow performance testing device |
| CN112557044A (en) * | 2020-11-25 | 2021-03-26 | 西安航天动力研究所 | Double-component nozzle liquid flow performance testing device |
| CN113686566A (en) * | 2021-09-22 | 2021-11-23 | 西安航天动力研究所 | Liquid flow test device suitable for outer nozzle in partition plate nozzle assembly |
| CN113686566B (en) * | 2021-09-22 | 2023-12-26 | 西安航天动力研究所 | Liquid flow test device suitable for outer nozzle in baffle nozzle assembly |
| CN114414228A (en) * | 2021-12-31 | 2022-04-29 | 西安航天动力研究所 | Automatic liquid flow test device for nozzle |
| CN114486213A (en) * | 2021-12-31 | 2022-05-13 | 西安航天动力研究所 | Integrated liquid flow test device with automatic nozzle clamping function |
| CN114486213B (en) * | 2021-12-31 | 2023-08-25 | 西安航天动力研究所 | Integral liquid flow test device with automatic clamping nozzle |
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| Publication number | Publication date |
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| CN109632324B (en) | 2020-07-24 |
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