CN105547681B - Blade containment test tool - Google Patents
Blade containment test tool Download PDFInfo
- Publication number
- CN105547681B CN105547681B CN201610019272.5A CN201610019272A CN105547681B CN 105547681 B CN105547681 B CN 105547681B CN 201610019272 A CN201610019272 A CN 201610019272A CN 105547681 B CN105547681 B CN 105547681B
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- China
- Prior art keywords
- wheel disc
- switching cylinder
- cylinder
- drive shaft
- bearing
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000004088 simulation Methods 0.000 claims abstract description 26
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 230000006378 damage Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of blade containment test tools, it include the drive shaft for driving the wheel disc for carrying blade to be tested to rotate, drive shaft is equipped with the wheel disc switching cylinder for being installed in wheel disc in drive shaft, and wheel disc is fixed in wheel disc switching cylinder, and wheel disc periphery is equipped with simulation casing；Wheel disc switching cylinder periphery is equipped with vibration limit component, for when blade fly it is disconnected so that wheel disc switching cylinder is drastically vibrated when, wheel disc switching cylinder is limited along the radial vibration displacement of drive shaft so that wheel disc switching cylinder stably reaches specified rotating speed.In the blade containment test tool of the present invention, under the action of vibrating limit component, wheel disc switching cylinder is limited along the vibration displacement of drive shaft radial direction, it thus prevents wheel disc switching cylinder to fracture because huge uneven after drive shaft and hits simulation casing, to the accuracy of guarantee test result and the safety of experiment.
Description
Technical field
The present invention relates to aero-engine fields, particularly, are related to a kind of blade containment test tool.
Background technology
Currently, to examine the inclusiveness of blade of aviation engine to carry out the including experiment of blade, since complete machine carries out
Blade containment experimentation cost is excessively high, so component test is carried out on high speed rotation exerciser mostly.
High speed rotation exerciser drives blade-carrying experiment to take turns disc spins by drive shaft, when experiment wheel disc reaches blade
When flying disconnected rotating speed, blade flies out, fly disconnected they strike casing, and casing inclusiveness is verified with this.
When experiment wheel disc reaches the winged disconnected rotating speed of blade, and blade is made to fly out, entire wheel disc amount of unbalance of testing increased dramatically,
Increase so as to cause experiment disc vibration, experiment wheel disc, which fractures, to fall off after drive shaft, and hits casing, influences sentencing for test result
It is fixed.
Invention content
The present invention provides a kind of blade containment test tools, and including experiment is carried out to solve blade in the prior art
When it is existing hit casing since experiment wheel disc fractures to fall off after drive shaft, and lead to the technical problem of test result inaccuracy.
The technical solution adopted by the present invention is as follows：
A kind of blade containment test tool includes the driving for driving the wheel disc for carrying blade to be tested to rotate
Axis, drive shaft are equipped with the wheel disc switching cylinder for being installed in wheel disc in drive shaft, and wheel disc is fixed in wheel disc switching cylinder, take turns
Disk periphery is equipped with simulation casing；Wheel disc switching cylinder periphery is equipped with vibration limit component, so that wheel disc is transferred for working as winged break of blade
When cylinder drastically vibrates, wheel disc switching cylinder is limited along the radial vibration displacement of drive shaft so that wheel disc switching cylinder stably reaches
Specified rotating speed.
Further, vibration limit component includes the Limit Bearing enclosed outside wheel disc switching cylinder, wheel disc switching cylinder and limit
The cooperation of position bearing clearance.
Further, vibration limit component further includes being arranged in the inner ring of Limit Bearing inner ring to turn for reducing wheel disc
The bushing of the vibration of connect cylinder, wheel disc switching cylinder coordinate with sleeve clearances.
Further, vibration limit component further includes the holder for installing Limit Bearing, and holder is supported on simulation casing
On, Limit Bearing is installed on holder.
Further, holder includes the mounting cylinder in hollow tubular structure, and Limit Bearing is installed in the internal face of mounting cylinder
On.
Further, holder further includes mounting disc and simulation casing for supporting mounting cylinder and mounting disc in the form of annular discs
Fixed, mounting cylinder is set on the lower surface of mounting disc and extends downwardly；Limit Bearing is installed in the internal face of mounting cylinder bottom end
On, the top of wheel disc switching cylinder is stretched into from the bottom end of mounting cylinder in mounting cylinder.
Further, wheel disc switching cylinder includes the sleeve part in hollow tubular structure, and bushing is stretched on the top of sleeve part
In endoporus, the top of drive shaft is stretched into from the bottom end of sleeve part in sleeve part；The outer circle of sleeve part is equipped with being used in a ring
The flange part of wheel disc is installed, wheel disc is sheathed on outside sleeve part and is fixed with flange part.
Further, blade containment test tool further includes the test-bed for supporting simulation casing, wheel disc switching
Cylinder is located at the top of test-bed, and one end of drive shaft is connected with the high speed rotation exerciser for driving it to rotate, another
End is connected after test-bed with wheel disc switching cylinder；Simulation casing is fixed on test-bed.
Further, the bearing for being additionally provided between casing and test-bed and simulating casing for aiding support, bearing are simulated
In the bowl structure of one end open, wheel disc switching cylinder and wheel disc are located in the opening of bearing；The bottom end of bearing and test-bed
Top is fixed, and the open end for simulating casing and bearing is fixed.
Further, simulation casing is in hollow pyramidal structure, and the open end of necking end and bearing is fixed, flared end
It is fixed with holder.
The invention has the advantages that：
When experiment, drive shaft drives wheel disc switching cylinder high speed rotation with band runner disc high speed rotation, when the turn up of wheel disc
To when making leaf destruction thereon, blade flies to break, and wheel disc generates huge amount of unbalance, and the vibration of wheel disc switching cylinder is caused drastically to increase
Add, when its vibration reaches certain value, will be touched with the vibration limit component enclosed outside it, since vibration limit component is used
In when blade fly it is disconnected so that wheel disc switching cylinder is drastically vibrated when, the radial vibration displacement to wheel disc switching cylinder along drive shaft limits
So that wheel disc switching cylinder stably reaches specified rotating speed, so under the action of vibrating limit component, wheel disc switching cylinder is along drive shaft
Radial vibration displacement is limited, and is thus prevented wheel disc switching cylinder to fracture because huge uneven after drive shaft and is hit simulation
Casing, to the accuracy of guarantee test result and the safety of experiment.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the blade containment test tool of the preferred embodiment of the present invention.
Marginal data
10, wheel disc；20, drive shaft；30, wheel disc switching cylinder；31, sleeve part；32, flange part；40, casing is simulated；50, it limits
Position bearing；60, bushing；70, holder；71, mounting cylinder；72, mounting disc；80, test-bed；90, bearing.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As shown in Figure 1, the preferred embodiment of the present invention provides a kind of blade containment test tool, including it is used to drive
The drive shaft 20 that wheel disc 10 with blade to be tested rotates, drive shaft 20 are equipped with for wheel disc 10 to be installed in drive shaft
Wheel disc switching cylinder 30 on 20, wheel disc 10 are fixed in wheel disc switching cylinder 30, and 10 periphery of wheel disc is equipped with simulation casing 40；Wheel disc turns
The periphery of connect cylinder 30 is equipped with vibration limit component, for when blade fly it is disconnected so that wheel disc switching cylinder 30 is drastically vibrated when, wheel disc is turned
Connect cylinder 30 is limited along the radial vibration displacement of drive shaft 20 so that wheel disc switching cylinder 30 stably reaches specified rotating speed.Experiment
When, drive shaft 20 drives 30 high speed rotation of wheel disc switching cylinder with band 10 high speed rotation of runner disc, makes when the rotating speed of wheel disc 10 reaches
When leaf destruction thereon, blade flies disconnected, and wheel disc 10 generates huge amount of unbalance, and the vibration of wheel disc switching cylinder 30 is caused drastically to increase
Add, when its vibration reaches certain value, will be touched with the vibration limit component enclosed outside it, since vibration limit component is used
In when blade fly it is disconnected so that wheel disc switching cylinder 30 is drastically vibrated when, to wheel disc switching cylinder 30 along drive shaft 20 radial vibration displacement into
Row limits so that wheel disc switching cylinder 30 stably reaches specified rotating speed, so under the action of vibrating limit component, wheel disc switching cylinder
30 are limited along the radial vibration displacement of drive shaft 20, and wheel disc switching cylinder 30 is thus prevented to fracture because huge uneven drive
Simulation casing 40 is hit after moving axis 20, to the accuracy of guarantee test result and the safety of experiment.
Optionally, as shown in Figure 1, vibration limit component includes the Limit Bearing 50 enclosed outside wheel disc switching cylinder 30, wheel
Disk switching cylinder 30 and 50 clearance fit of Limit Bearing.Limit Bearing 50 is applied not only to radial along drive shaft 20 to wheel disc switching cylinder 30
Vibration displacement limited, also have shock-absorbing functions to further decrease the vibration of wheel disc switching cylinder 30, more can when wheel disc turn
Connect cylinder 30 is touched with it when contacting, and is rotated with wheel disc switching cylinder 30, and further to make wheel disc switching cylinder 30, safety is steady as early as possible
Fixed reaches specified rotating speed.When experiment, drive shaft 20 drives 30 high speed rotation of wheel disc switching cylinder to be revolved at a high speed with band runner disc 10
Turn, when the rotating speed of wheel disc 10 reaches the leaf destruction made thereon, blade flies to break, and wheel disc 10 generates huge amount of unbalance, causes
The vibration of wheel disc switching cylinder 30 sharply increases, when its vibration reaches certain value, by with enclose the Limit Bearing 50 outside it
Touching, under the position-limiting action of Limit Bearing 50, wheel disc switching cylinder 30 is limited along the radial vibration displacement of drive shaft 20, to
It can prevent wheel disc switching cylinder 30 from fractureing because huge uneven after drive shaft 20 and hit simulation casing 40, to guarantee test knot
The accuracy of fruit and the safety of experiment.
Preferably, as shown in Figure 1, vibration limit component further include be arranged in the inner ring of 50 inner ring of Limit Bearing for
Reduce the bushing 60 of the vibration of wheel disc switching cylinder 30, wheel disc switching cylinder 30 and 60 clearance fit of bushing.The present invention is specifically implemented
In example, the material of bushing 60 is brass, and bushing 60 can not only reduce the vibration of wheel disc switching cylinder 30, moreover it is possible to Limit Bearing 50 into
The bushing 60 of row effective protection, brass material is not only wear-resistant and friction coefficient is small.
In the present invention, as shown in Figure 1, vibration limit component further includes the holder 70 for installing Limit Bearing 50, holder
70 are supported on simulation casing 40, and Limit Bearing 50 is installed on holder 70.Optionally, as shown in Figure 1, holder 70 includes in sky
The mounting cylinder 71 of heart tubular structure, Limit Bearing 50 are installed on the internal face of mounting cylinder 71.
Further, as shown in Figure 1, holder 70 further includes for supporting mounting cylinder 71 and mounting disc 72 in the form of annular discs,
Mounting disc 72 is fixed with simulation casing 40, and mounting cylinder 71 is set on the lower surface of mounting disc 72 and extends downwardly；Limit Bearing
50 are installed on the internal face of 71 bottom end of mounting cylinder, and mounting cylinder 71 is stretched into the top of wheel disc switching cylinder 30 from the bottom end of mounting cylinder 71
It is interior.In specific embodiment of the present invention, mounting disc 72 be equipped with it is multiple along its circumferentially spaced lightening hole, to mitigate holder
70 weight.
In the present invention, as shown in Figure 1, wheel disc switching cylinder 30 includes the sleeve part 31 in hollow tubular structure, sleeve part 31
Top stretch into the endoporus of bushing 60, the top of drive shaft 20 is stretched into sleeve part 31 from the bottom end of sleeve part 31 and and sleeve
Portion 31 is interference fitted；The outer circle of sleeve part 31 is equipped with the flange part 32 for installing wheel disc 10 in a ring, and wheel disc 10 is arranged
It is fixed outside sleeve part 31 and with flange part 32.
In the present invention, as shown in Figure 1, blade containment test tool further includes the testing stand for supporting simulation casing 40
Frame 80, wheel disc switching cylinder 30 are located at the top of test-bed 80, and one end of drive shaft 20 is revolved with the high speed for driving it to rotate
Turn exerciser to be connected, the other end passes through that test-bed is after 80s with wheel disc switching cylinder 30 is connected；Simulation casing 40 is fixed on experiment
On rack 80.
Preferably, as shown in Figure 1, according to 10 specific structure of wheel disc, to make the blade on wheel disc 10 fly out outward and mould
Quasi- casing 40 collides, and in the present invention, is also set up between simulation casing 40 and test-bed 80 and simulates casing for aiding support
40 bearing 90, bearing 90 are in the bowl structure of one end open, and wheel disc switching cylinder 30 and wheel disc 10 are located in the opening of bearing 90；
The bottom end of bearing 90 and the top of test-bed 80 are fixed, and simulate casing 40 and the open end of bearing 90 is fixed.
In specific embodiment of the present invention, simulation casing 40 is in hollow pyramidal structure, and necking end is opened with bearing 90
Mouth end is fixed, and flared end and the end face of the mounting disc 72 of holder 70 are fixed.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of blade containment test tool, which is characterized in that
Include the drive shaft (20) for driving the wheel disc (10) for carrying blade to be tested to rotate, is set on the drive shaft (20)
Be useful for the wheel disc switching cylinder (30) wheel disc (10) being installed in the drive shaft (20), the wheel disc (10) is fixed on
On the wheel disc switching cylinder (30), wheel disc (10) periphery is equipped with simulation casing (40)；
Wheel disc switching cylinder (30) periphery is equipped with vibration limit component, so that the wheel disc is transferred for working as winged break of the blade
Cylinder (30) is when drastically vibrating, to the wheel disc switching cylinder (30) along the radial vibration displacement of the drive shaft (20) limited with
The wheel disc switching cylinder (30) is set to stably reach specified rotating speed.
2. blade containment test tool according to claim 1, which is characterized in that
The vibration limit component includes the Limit Bearing (50) enclosed set on the wheel disc switching cylinder (30) outside, the wheel disc switching
Cylinder (30) and the Limit Bearing (50) clearance fit.
3. blade containment test tool according to claim 2, which is characterized in that
The vibration limit component further includes being arranged in the inner ring of the Limit Bearing (50) inner ring for reducing the wheel
The bushing (60) of the vibration of disk switching cylinder (30), the wheel disc switching cylinder (30) and the bushing (60) clearance fit.
4. blade containment test tool according to claim 2, which is characterized in that
The vibration limit component further includes for installing the holder of the Limit Bearing (50) (70), holder (70) bearing
In on the simulation casing (40), the Limit Bearing (50) is installed on the holder (70).
5. blade containment test tool according to claim 4, which is characterized in that
The holder (70) includes the mounting cylinder (71) in hollow tubular structure, and the Limit Bearing (50) is installed in the installation
On the internal face of cylinder (71).
6. blade containment test tool according to claim 5, which is characterized in that
The holder (70) further includes the mounting disc for supporting the mounting cylinder (71) and mounting disc (72) in the form of annular discs
(72) fixed with the simulation casing (40), the mounting cylinder (71) is set on the lower surface of the mounting disc (72) and downward
Extend；
The Limit Bearing (50) is installed on the internal face of the mounting cylinder (71) bottom end, the top of the wheel disc switching cylinder (30)
End is stretched into from the bottom end of the mounting cylinder (71) in the mounting cylinder (71).
7. blade containment test tool according to claim 3, which is characterized in that
The wheel disc switching cylinder (30) includes the sleeve part (31) in hollow tubular structure, and the top of the sleeve part (31) is stretched into
In the endoporus of the bushing (60), the sleeve part is stretched into the top of the drive shaft (20) from the bottom end of the sleeve part (31)
(31) in；
The outer circle of the sleeve part (31) is equipped with the flange part (32) for installing the wheel disc (10) in a ring, the wheel
Disk (10) is sheathed on the sleeve part (31) outside and is fixed with the flange part (32).
8. blade containment test tool according to claim 4, which is characterized in that
The blade containment test tool further includes the test-bed (80) for supporting the simulation casing (40), the wheel
Disk switching cylinder (30) is located at the top of the test-bed (80), one end of the drive shaft (20) with for driving it to rotate
High speed rotation exerciser is connected, and the other end is connected with the wheel disc switching cylinder (30) afterwards across the test-bed (80)；
The simulation casing (40) is fixed on the test-bed (80).
9. blade containment test tool according to claim 8, which is characterized in that
It is additionally provided between the simulation casing (40) and the test-bed (80) for simulating casing (40) described in aiding support
Bearing (90), the bearing (90) is in the bowl structure of one end open, the wheel disc switching cylinder (30) and the wheel disc (10)
In the opening of the bearing (90)；
The bottom end and the top of the test-bed (80) of the bearing (90) are fixed, the simulation casing (40) and the bearing
(90) open end is fixed.
10. blade containment test tool according to claim 9, which is characterized in that
The simulation casing (40) is in hollow pyramidal structure, and necking end and the open end of the bearing (90) are fixed, and is expanded
Mouth end is fixed with the holder (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019272.5A CN105547681B (en) | 2016-01-13 | 2016-01-13 | Blade containment test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019272.5A CN105547681B (en) | 2016-01-13 | 2016-01-13 | Blade containment test tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105547681A CN105547681A (en) | 2016-05-04 |
| CN105547681B true CN105547681B (en) | 2018-08-14 |
Family
ID=55827025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610019272.5A Active CN105547681B (en) | 2016-01-13 | 2016-01-13 | Blade containment test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105547681B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519221B (en) * | 2018-03-05 | 2020-01-07 | 中国北方发动机研究所(天津) | Impeller accommodation test method |
| CN108647367A (en) * | 2018-03-12 | 2018-10-12 | 南京理工大学 | A kind of Double-layer titanium alloy casing containment curve plotting method |
| CN108716990B (en) * | 2018-06-06 | 2019-11-29 | 中国航发沈阳发动机研究所 | A kind of engine crankcase containment test device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203203789U (en) * | 2013-04-09 | 2013-09-18 | 中国航空动力机械研究所 | Wheel disc burst test tooling device |
| CN103604587A (en) * | 2013-08-27 | 2014-02-26 | 杭州海罗马科技有限公司 | High-speed rotation testing machine and method for testing high-speed rotation strength performance of rotor |
-
2016
- 2016-01-13 CN CN201610019272.5A patent/CN105547681B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203203789U (en) * | 2013-04-09 | 2013-09-18 | 中国航空动力机械研究所 | Wheel disc burst test tooling device |
| CN103604587A (en) * | 2013-08-27 | 2014-02-26 | 杭州海罗马科技有限公司 | High-speed rotation testing machine and method for testing high-speed rotation strength performance of rotor |
Non-Patent Citations (2)
| Title |
|---|
| 航空发动机真实机匣的包容性试验;范志强、高德平、覃志贤、王维、纪永汉;《航空动力学报》;20070130;第22卷(第1期);第18-22页 * |
| 高速柔性转子突加大不平衡响应研究;叶冬;《中国优秀硕士学位论文全文数据库工程科技II辑》;20140615(第6期);第31-32页 * |
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| CN105547681A (en) | 2016-05-04 |
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Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: China Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: China |
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