CN105547681A - Blade containment test tooling - Google Patents
Blade containment test tooling Download PDFInfo
- Publication number
- CN105547681A CN105547681A CN201610019272.5A CN201610019272A CN105547681A CN 105547681 A CN105547681 A CN 105547681A CN 201610019272 A CN201610019272 A CN 201610019272A CN 105547681 A CN105547681 A CN 105547681A
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- China
- Prior art keywords
- wheel disc
- cylinder
- driving shaft
- bearing
- switching cylinder
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000004088 simulation Methods 0.000 claims description 26
- 230000009467 reduction Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock 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 Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing Of Balance (AREA)
Abstract
The invention discloses a blade containment test tooling, comprising a driving shaft which drives a wheel disc which has a blade to be tested to rotate. The driving shaft is provided with a wheel disc connecting cylinder which is used for mounting the wheel disc on the driving shaft. The wheel disc is fixed on the wheel disc connecting cylinder. The peripheral of the wheel disc is provided with a simulating machine casing. The wheel disc connecting cylinder periphery is provided with a vibration spacing member for making the wheel disc connecting cylinder stably reach a specific rotation speed by performing spacing to the radial vibration displacement, along the driving shaft, of the wheel disc connecting cylinder when the blade breaks off while rotating to make the wheel disc connecting cylinder vibrate suddenly. According to the blade containment test tooling, by use of the vibration spacing member, the vibration displacement, along the radial direction of the driving shaft, of the wheel disc connecting cylinder is spaced so that the wheel disc connecting cylinder is prevented from breaking off the driving shaft due to severe imbalance and then hitting on the simulating machine casing, and therefore, the test result accuracy and test security are guaranteed.
Description
Technical field
The present invention relates to aeromotor field, especially, relate to a kind of blade containment test tool.
Background technology
At present, be the pardon of examination blade of aviation engine and carry out the including experiment of blade, due to complete machine, to carry out blade containment experimentation cost too high, so mostly carry out component test on High Rotation Speed exerciser.
High Rotation Speed exerciser by the blade-carrying experimental wheel disc spins of drive shaft, when test wheel disc reach blade fly disconnected rotating speed time, blade flies out, and flies the they strike casing broken, verifies casing pardon with this.
When test wheel disc reach blade fly disconnected rotating speed blade is flown out time, whole test wheel disc amount of unbalance sharply increases, thus causes experimental wheel disc vibration to increase, tests wheel disc and fractures after driving shaft and come off, and clash into casing, affect the judgement of test findings.
Summary of the invention
The invention provides a kind of blade containment test tool, to solve fractureing the shock casing that to come off after driving shaft due to test wheel disc of existence when prior art Leaf carries out including experiment, and cause the inaccurate technical matters of test findings.
The technical solution used in the present invention is as follows:
A kind of blade containment test tool, comprise the driving shaft having the wheel disc of blade to be tested to rotate for rotating band, driving shaft is provided with the wheel disc switching cylinder for being installed in by wheel disc on driving shaft, and wheel disc is fixed on wheel disc switching cylinder, is arranged with analog machine casket outside wheel disc; Be arranged with vibration limit component outside wheel disc switching cylinder, for fly when blade disconnected make wheel disc transfer cylinder sharply vibrate time, carry out spacing to make wheel disc cylinder of transferring stablize and reach appointment rotating speed along the radial vibration displacement of driving shaft to wheel disc switching cylinder.
Further, vibration limit component comprises the Limit Bearing be located in outside wheel disc switching cylinder, wheel disc switching cylinder and Limit Bearing clearance fit.
Further, vibration limit component also comprises the lining for the vibration of reduction wheel disc switching cylinder in the inner ring being arranged in Limit Bearing inner ring, and wheel disc switching cylinder coordinates with sleeve clearances.
Further, vibration limit component also comprises the support for mounting limit bearing, and support is supported on simulation casing, and Limit Bearing is installed on support.
Further, support comprises the mounting cylinder in hollow tubular structure, and Limit Bearing is installed on the internal face of mounting cylinder.
Further, support also comprises for supporting mounting cylinder and mounting disc in the form of annular discs, and mounting disc is fixed with simulation casing, on the lower surface that mounting cylinder is arranged at mounting disc and to downward-extension; Limit Bearing is installed on the internal face of mounting cylinder bottom, and the top of wheel disc switching cylinder is stretched in mounting cylinder from the bottom of mounting cylinder.
Further, wheel disc switching cylinder comprises the sleeve part in hollow tubular structure, and the top of sleeve part is stretched in the endoporus of lining, and the top of driving shaft is stretched in sleeve part from the bottom of sleeve part; The cylindrical of sleeve part is provided with the ringwise flange part for installing wheel disc, and it is outer and fix with flange part that wheel disc is sheathed on sleeve part.
Further, blade containment test tool also comprises the test-bed for supporting simulation casing, wheel disc switching cylinder is positioned at the top of test-bed, and one end of driving shaft is connected with the High Rotation Speed exerciser for driving it to rotate, and its other end is connected through cylinder of transferring with wheel disc after test-bed; Simulation casing is fixed on test-bed.
Further, be also provided with the bearing for aiding support simulation casing between simulation casing and test-bed, bearing is the bowl structure of one end open, and wheel disc switching cylinder and wheel disc are positioned at the opening of bearing; The bottom of bearing and the top of test-bed are fixed, and the openend of simulation casing and bearing is fixed.
Further, simulation casing is hollow cone mesa-shaped structure, and the openend of its necking end and bearing is fixed, and its flared end and support are fixed.
The present invention has following beneficial effect:
During test, drive shaft wheel disc switching cylinder High Rotation Speed is to drive wheel disc High Rotation Speed, when the rotating speed of wheel disc reaches the leaf destruction made on it, blade flies to break, wheel disc produces huge amount of unbalance, the vibration of wheel disc switching cylinder is caused sharply to increase, when its vibration reaches certain value, the vibration limit component outer with being located in it is touched by it, due to vibration limit component be used for when blade fly disconnected wheel disc switching cylinder is sharply vibrated time, wheel disc switching cylinder is carried out along the radial vibration displacement of driving shaft to spacing cylinder is stable reaches appointment rotating speed to make wheel disc transfer, so under the effect of vibration limit component, wheel disc switching cylinder is limited along the vibration displacement of driving shaft radial direction, thus can prevent wheel disc cylinder of transferring from fractureing because of huge imbalance after driving shaft and clash into simulation casing, thus the accuracy of warranty test result and the security of test.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the blade containment test tool of the preferred embodiment of the present invention.
Marginal data
10, wheel disc; 20, driving shaft; 30, wheel disc switching cylinder; 31, sleeve part; 32, flange part; 40, casing is simulated; 50, Limit Bearing; 60, lining; 70, support; 71, mounting cylinder; 72, mounting disc; 80, test-bed; 90, bearing.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As shown in Figure 1, the preferred embodiments of the present invention provide a kind of blade containment test tool, comprise the driving shaft 20 having the wheel disc 10 of blade to be tested to rotate for rotating band, driving shaft 20 is provided with the wheel disc switching cylinder 30 for being installed in by wheel disc 10 on driving shaft 20, wheel disc 10 is fixed on wheel disc switching cylinder 30, is arranged with analog machine casket 40 outside wheel disc 10; Be arranged with vibration limit component outside wheel disc switching cylinder 30, for fly when blade disconnected make wheel disc transfer cylinder 30 sharply vibrate time, carry out spacing to make wheel disc cylinder 30 of transferring stablize and reach appointment rotating speed along the radial vibration displacement of driving shaft 20 to wheel disc switching cylinder 30.During test, driving shaft 20 drives wheel disc to transfer cylinder 30 High Rotation Speed to drive wheel disc 10 High Rotation Speed, when the rotating speed of wheel disc 10 reaches the leaf destruction made on it, blade flies to break, wheel disc 10 produces huge amount of unbalance, the vibration of wheel disc switching cylinder 30 is caused sharply to increase, when its vibration reaches certain value, the vibration limit component outer with being located in it is touched by it, due to vibration limit component be used for when blade fly disconnected wheel disc switching cylinder 30 is sharply vibrated time, wheel disc switching cylinder 30 is carried out along the radial vibration displacement of driving shaft 20 to spacing cylinder 30 is stable reaches appointment rotating speed to make wheel disc transfer, so under the effect of vibration limit component, wheel disc switching cylinder 30 is limited along the vibration displacement of driving shaft 20 radial direction, thus can prevent wheel disc cylinder 30 of transferring from fractureing because of huge imbalance after driving shaft 20 and clash into simulation casing 40, thus the accuracy of warranty test result and the security of test.
Alternatively, as shown in Figure 1, vibration limit component comprises the Limit Bearing 50 be located in outside wheel disc switching cylinder 30, wheel disc switching cylinder 30 and Limit Bearing 50 clearance fit.Limit Bearing 50 is not only for carrying out spacing to wheel disc switching cylinder 30 along the vibration displacement of driving shaft 20 radial direction, also there is shock-absorbing functions to reduce the vibration of wheel disc switching cylinder 30 further, more can work as wheel disc switching cylinder 30 when contacting with its touching, with wheel disc switching cylinder 30 rotate, with further make wheel disc transfer cylinder 30 as early as possible safety and stability reach the rotating speed of specifying.During test, driving shaft 20 drives wheel disc to transfer cylinder 30 High Rotation Speed to drive wheel disc 10 High Rotation Speed, when the rotating speed of wheel disc 10 reaches the leaf destruction made on it, blade flies to break, wheel disc 10 produces huge amount of unbalance, the vibration of wheel disc switching cylinder 30 is caused sharply to increase, when its vibration reaches certain value, the Limit Bearing 50 outer with being located in it is touched by it, under the position-limiting action of Limit Bearing 50, wheel disc switching cylinder 30 is limited along the vibration displacement of driving shaft 20 radial direction, thus can prevent wheel disc cylinder 30 of transferring from fractureing because of huge imbalance after driving shaft 20 and clash into simulation casing 40, thus the accuracy of warranty test result and the security of test.
Preferably, as shown in Figure 1, vibration limit component also comprises the lining 60 for the vibration of reduction wheel disc switching cylinder 30 in the inner ring being arranged in Limit Bearing 50 inner ring, wheel disc switching cylinder 30 and lining 60 clearance fit.In specific embodiment of the present invention, the material of lining 60 is brass, and lining 60 not only can reduce the vibration of wheel disc switching cylinder 30, and can also carry out available protecting to Limit Bearing 50, the lining 60 of brass material is not only wear-resistant and friction factor is little.
In the present invention, as shown in Figure 1, vibration limit component also comprises the support 70 for mounting limit bearing 50, and support 70 is supported on simulation casing 40, and Limit Bearing 50 is installed on support 70.Alternatively, as shown in Figure 1, support 70 comprises the mounting cylinder 71 in hollow tubular structure, and Limit Bearing 50 is installed on the internal face of mounting cylinder 71.
Further, as shown in Figure 1, support 70 also comprises for supporting mounting cylinder 71 and mounting disc 72 in the form of annular discs, and mounting disc 72 is fixed with simulation casing 40, on the lower surface that mounting cylinder 71 is arranged at mounting disc 72 and to downward-extension; Limit Bearing 50 is installed on the internal face of mounting cylinder 71 bottom, and the top of wheel disc switching cylinder 30 is stretched in mounting cylinder 71 from the bottom of mounting cylinder 71.In specific embodiment of the present invention, mounting disc 72 is provided with multiple along its circumferential spaced apart lightening hole, to alleviate the weight of support 70.
In the present invention, as shown in Figure 1, wheel disc switching cylinder 30 comprises sleeve part 31 in hollow tubular structure, and the top of sleeve part 31 is stretched in the endoporus of lining 60, the top of driving shaft 20 to stretch into from the bottom of sleeve part 31 in sleeve part 31 and with sleeve part 31 interference fit; The cylindrical of sleeve part 31 is provided with the ringwise flange part 32 for installing wheel disc 10, and it is outer and fixing with flange part 32 that wheel disc 10 is sheathed on sleeve part 31.
In the present invention, as shown in Figure 1, blade containment test tool also comprises the test-bed 80 for supporting simulation casing 40, wheel disc switching cylinder 30 is positioned at the top of test-bed 80, one end of driving shaft 20 is connected with the High Rotation Speed exerciser for driving it to rotate, and its other end is connected through test-bed cylinder 30 of transferring with wheel disc after 80s; Simulation casing 40 is fixed on test-bed 80.
Preferably, as shown in Figure 1, the structure concrete according to wheel disc 10, outwards fly out for making the blade on wheel disc 10 and simulate casing 40 and collide, in the present invention, between simulation casing 40 and test-bed 80, also arrange the bearing 90 being used for aiding support simulation casing 40, the bowl structure of bearing 90 in one end open, wheel disc switching cylinder 30 and wheel disc 10 are positioned at the opening of bearing 90; The bottom of bearing 90 and the top of test-bed 80 are fixed, and simulation casing 40 is fixed with the openend of bearing 90.
In specific embodiment of the present invention, simulation casing 40 is in hollow cone mesa-shaped structure, and the openend of its necking end and bearing 90 is fixed, and the end face of the mounting disc 72 of its flared end and support 70 is fixed.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a blade containment test tool, is characterized in that,
Comprise the driving shaft (20) having the wheel disc of blade to be tested (10) to rotate for rotating band, described driving shaft (20) is provided with wheel disc switching cylinder (30) for being installed in by described wheel disc (10) on described driving shaft (20), described wheel disc (10) is fixed on described wheel disc switching cylinder (30), is arranged with analog machine casket (40) outside described wheel disc (10);
Vibration limit component is arranged with outside described wheel disc switching cylinder (30), for fly when described blade disconnected make described wheel disc transfer cylinder (30) sharply vibrate time, described wheel disc switching cylinder (30) is carried out along the radial vibration displacement of described driving shaft (20) to spacing cylinder (30) is stable reaches appointment rotating speed to make described wheel disc transfer.
2. blade containment test tool according to claim 1, is characterized in that,
Described vibration limit component comprises and is located in described wheel disc switching cylinder (30) Limit Bearing outward (50), described wheel disc switching cylinder (30) and described Limit Bearing (50) clearance fit.
3. blade containment test tool according to claim 2, is characterized in that,
Described vibration limit component also comprises the lining (60) for the vibration of described wheel disc switching cylinder (30) of reduction in the inner ring being arranged in described Limit Bearing (50) inner ring, described wheel disc switching cylinder (30) and described lining (60) clearance fit.
4. blade containment test tool according to claim 2, is characterized in that,
Described vibration limit component also comprises the support (70) for installing described Limit Bearing (50), described support (70) is supported on described simulation casing (40), and described Limit Bearing (50) is installed on described support (70).
5. blade containment test tool according to claim 4, is characterized in that,
Described support (70) comprises the mounting cylinder (71) in hollow tubular structure, and described Limit Bearing (50) is installed on the internal face of described mounting cylinder (71).
6. blade containment test tool according to claim 5, is characterized in that,
Described support (70) also comprises for supporting described mounting cylinder (71) and mounting disc in the form of annular discs (72), described mounting disc (72) and described simulation casing (40) are fixed, on the lower surface that described mounting cylinder (71) is arranged at described mounting disc (72) and to downward-extension;
Described Limit Bearing (50) is installed on the internal face of described mounting cylinder (71) bottom, and the top of described wheel disc switching cylinder (30) is stretched in described mounting cylinder (71) from the bottom of described mounting cylinder (71).
7. blade containment test tool according to claim 3, is characterized in that,
Described wheel disc switching cylinder (30) comprises the sleeve part (31) in hollow tubular structure, the top of described sleeve part (31) is stretched in the endoporus of described lining (60), and the top of described driving shaft (20) is stretched in described sleeve part (31) from the bottom of described sleeve part (31);
The cylindrical of described sleeve part (31) is provided with the ringwise flange part (32) for installing described wheel disc (10), described wheel disc (10) be sheathed on described sleeve part (31) outward and with described flange part (32) fix.
8. blade containment test tool according to claim 4, is characterized in that,
Described blade containment test tool also comprises the test-bed (80) for supporting described simulation casing (40), described wheel disc switching cylinder (30) is positioned at the top of described test-bed (80), one end of described driving shaft (20) is connected with the High Rotation Speed exerciser for driving it to rotate, and its other end is connected through described test-bed (80) cylinder (30) of transferring with described wheel disc afterwards;
Described simulation casing (40) is fixed on described test-bed (80).
9. blade containment test tool according to claim 8, is characterized in that,
The bearing (90) for simulating casing (40) described in aiding support is also provided with between described simulation casing (40) and described test-bed (80), described bearing (90) bowl structure in one end open, described wheel disc switching cylinder (30) and described wheel disc (10) are positioned at the opening of described bearing (90);
The bottom of described bearing (90) and the top of described test-bed (80) are fixed, and described simulation casing (40) is fixed with the openend of described bearing (90).
10. blade containment test tool according to claim 9, is characterized in that,
Described simulation casing (40) is in hollow cone mesa-shaped structure, and the openend of its necking end and described bearing (90) is fixed, and its flared end and described support (70) are fixed.
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 true CN105547681A (en) | 2016-05-04 |
| CN105547681B CN105547681B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610019272.5A Active CN105547681B (en) | 2016-01-13 | 2016-01-13 | Blade containment test tool |
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| CN (1) | CN105547681B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519221A (en) * | 2018-03-05 | 2018-09-11 | 中国北方发动机研究所(天津) | A kind of impeller containment 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 |
| CN108716990A (en) * | 2018-06-06 | 2018-10-30 | 中国航发沈阳发动机研究所 | A kind of engine crankcase containment test device |
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| 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 |
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Patent Citations (2)
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| 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 |
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Non-Patent Citations (2)
| Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519221A (en) * | 2018-03-05 | 2018-09-11 | 中国北方发动机研究所(天津) | A kind of impeller containment 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 |
| CN108716990A (en) * | 2018-06-06 | 2018-10-30 | 中国航发沈阳发动机研究所 | A kind of engine crankcase containment test device |
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| Publication number | Publication date |
|---|---|
| CN105547681B (en) | 2018-08-14 |
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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 |