CN203858062U - Standard rotor used for calibration of high-speed rotor dynamic characteristic test bed - Google Patents
Standard rotor used for calibration of high-speed rotor dynamic characteristic test bed Download PDFInfo
- Publication number
- CN203858062U CN203858062U CN201420284602.XU CN201420284602U CN203858062U CN 203858062 U CN203858062 U CN 203858062U CN 201420284602 U CN201420284602 U CN 201420284602U CN 203858062 U CN203858062 U CN 203858062U
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- rotating shaft
- rotor
- flange
- mouse cage
- high speed
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Abstract
The utility model provides a standard rotor used for calibration of a high-speed rotor dynamic characteristic test bed. Mouse cage supporting structures are used as supports of a rotating shaft of the standard rotor, that is to say, the upper part and the lower part of the rotating shaft are respectively connected with a mouse cage through a locking nut. An oil-lubricated antifriction bearing is arranged at the position, contacting the rotating shaft, on the inner side of each mouse cage. The bottom end of the rotating shaft is connected with a flange shaft coupling. The rotating shaft is connected with the test bed through the flange shaft coupling. The flange shaft coupling and the rotating shaft are connected in such a manner that a cylindrical surface and a conical surface are combined, and a central bolt is used for fastening; and that is to say, the inner part of the flange shaft coupling, the flange shaft coupling and the bottom end surface of the rotating shaft are fixed through the central bolt. A shaft body of the rotating shaft and the top end are provided with counterweight holes in a plurality of planes, so that multi-plane counterweight balance is realized in a high-speed state. The standard rotor provided by the utility model is capable of checking the centering precision and the connection state of the test bed, the reliability of the test bed is improved, and the accuracy of the test system is verified.
Description
Technical field
The utility model relates to rocket engine high speed rotor dynamic analysis field, is specifically related to a kind of high speed rotor dynamic response test platform calibration standard rotor.
Background technology
Turbopump rotor is the main member of liquid-propellant rocket engine, and along with space industry develops rapidly, the performance of engine improves constantly, and the working speed of turbopump rotor improves constantly, and is generally over single order, second order critical rotary speed even.The dynamics of high speed rotor is obvious, and the vibration that amount of unbalance is caused is very responsive.Data shows, one of main exciting force of engine is exactly the out-of-balance force of turbopump rotor.Therefore, carrying out the high speed dynamic response test research of rotor, is to guarantee that balance quality of rotor is the important step of guaranteeing liquid-propellant rocket engine workmanship.
At present, by high speed rotor is carried out to dynamic analysis, and it is carried out to the technological process that high-speed balancing has become domestic and international liquid-propellant rocket engine turbopump rotor routine, can guarantee the job stability of high speed rotor, reduce the vibration level of rotor.
Very high by rocket engine turbopump rotor-support-foundation system working speed, its pilot system need to guarantee good assembling and measuring accuracy requirement under fast state, therefore need utilize standard rotor to test pilot system.Because the design of standard rotor need to be considered version, support and the docking mode of testing table, the domestic report that manufactures and designs rarely having the type standard rotor.
Summary of the invention
The purpose of this utility model is to provide a kind of high speed rotor dynamic response test platform calibration standard rotor, it can be when the maintenance of rocket engine turbopump high speed rotor dynamic response test system be checked, play the effect of certification test platform accuracy of alignment and connection status, improve testing table reliability, demonstration test system accuracy.
Realize a kind of high speed rotor dynamic response test of technical scheme platform calibration standard rotor of the utility model object, this standard rotor comprises the rotating shaft of plain shaft structure form, the support of rotating shaft adopts mouse cage supporting construction, in the upper and lower of rotating shaft, connect a mouse cage respectively by a set nut, each mouse cage inner side and rotating shaft contact position are provided with the rolling bearing of oil lubrication; The bottom flange connector shaft coupling of rotating shaft, makes rotating shaft be connected with testing table by flange-face coupling; Flange-face coupling and rotating shaft adopt the cylinder conical surface combine and be connected in the fastening mode of centre bolt, and the bottom face of, flange-face coupling inner at flange-face coupling and rotating shaft fixes by centre bolt; The counterweight hole that is provided with a plurality of planes on axle body and the top of rotating shaft, to carry out the multiaspect counterweigh under fast state; Several counterweight holes of offering in same plane are symmetrically distributed.
A kind of high speed rotor dynamic response test platform calibration standard rotor as above, the set nut described in it and mouse cage contact position are provided with adjusting pad, utilize set nut the compression of adjusting pad to be fixed to the inner ring of rolling bearing.
A kind of high speed rotor dynamic response test platform calibration standard rotor as above, the mouse cage described in it is interior with metal-rubber damper.
A kind of high speed rotor dynamic response test platform calibration standard rotor as above, it is realized by tighting a bolt in flange-face coupling outside and being connected of testing table transmission shaft.
A kind of high speed rotor dynamic response test platform calibration standard rotor as above, mouse cage described in it outside by bolted on testing table rocker.
A kind of high speed rotor dynamic response test platform calibration standard rotor as above, the standard rotor described in it turn scooter 60000r/min, during rotating speed 60000r/min, stable operation is between second order critical rotary speed and three rank critical rotary speeds.
Effect of the present utility model is:
High speed rotor dynamic response test platform calibration standard rotor described in the utility model, can be when the maintenance of rocket engine turbopump high speed rotor dynamic response test system be checked, play the effect of certification test platform accuracy of alignment and connection status, improve testing table reliability, demonstration test system accuracy, simultaneously, also can under fast state, to standard rotor, carry out data acquisition, the further test performance of certification test platform, and guarantee carrying out smoothly of the work such as accuracy calibration after testing table maintenance and routine check verification.
In the debug process of rocket engine turbopump high speed rotor dynamic response test system, the system calibration of high speed rotor dynamic response test can be at steady operation under 60000r/min with standard rotor, effectively the accuracy of alignment of demonstration test platform two rockers and gearbox output shaft, reflects the connection alignment of testing rotor and testing table flange accurately.
Accompanying drawing explanation
Fig. 1 is a kind of high speed rotor dynamic response test platform calibration standard rotor structure schematic diagram described in the utility model.
In figure: 1. rotating shaft, 2. set nut, 3. adjusting pad, 4. bolt, 5. flange-face coupling, 6. tights a bolt, 7. packing ring; 8. mouse cage; 9. rolling bearing; 10. metal-rubber damper; 11. centre bolts; 12. counterweight holes.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of high speed rotor dynamic response test platform calibration standard rotor described in the utility model is further described.
As shown in Figure 1, a kind of high speed rotor dynamic response test platform calibration standard rotor described in the utility model comprise rotating shaft 1, set nut 2, adjusting pad 3, bolt 4, flange-face coupling 5, tight a bolt 6, the parts such as packing ring 7, mouse cage 8, rolling bearing 9, metal-rubber damper 10, centre bolt 11.
This standard rotor comprises the rotating shaft 1 of plain shaft structure form, and the support of rotating shaft 1 adopts mouse cage supporting construction, i.e. the upper and lower of rotating shaft 1 connects a mouse cage 8 by a set nut 2 respectively; Described mouse cage 8 inner sides and rotating shaft 1 contact position are provided with the rolling bearing 9 of oil lubrication; Mouse cage 8 outsides are fastened on testing table rocker by bolt 4.Described set nut 2 is provided with adjusting pad 3 with mouse cage 8 contact positions, utilizes the compression of 2 pairs of adjusting pads 3 of set nut to fix the inner ring of rolling bearing 9.Described mouse cage 8 is interior with metal-rubber damper 10.
The bottom flange connector shaft coupling 5 of rotating shaft 1, makes rotating shaft 1 be connected with testing table (high speed rotor dynamic response test platform) by flange-face coupling 5.
Flange-face coupling 5 adopts the cylinder conical surface combine and be connected in the fastening mode of centre bolt 11 with rotating shaft 1, in flange-face coupling 5 inside, flange-face coupling 5 fixes with the centre bolt 11 that pass through of the bottom face of rotating shaft 1, realized the high precision of concentricity after standard rotor assembling has been controlled, actual measurement shows, under the prerequisite of assurance machining precision, to apply this structure and can realize the high precision centering of web member without interference fit.Being connected by tight a bolt 6 realizations and testing table transmission shaft in flange-face coupling 5 outsides.
The counterweight hole 12 that is provided with a plurality of planes on axle body and the top of rotating shaft 1, to carry out the multiaspect counterweigh under fast state.Some counterweights hole 12 of offering in same plane is symmetrically distributed.
Above-mentioned high speed rotor dynamic response test platform calibration standard rotor, simple in structure, be beneficial to process and assemble maintenance and follow-up data compare of analysis etc.This rotor can safe handling under 60000r/min rotating speed, and intensity meets design criteria, margin of safety 1.5～2; Working rotor is between rotor second-order and the 3rd rank critical rotary speed, and nominal operation state critical rotary speed is avoided rate more than 15～20%.This rotor can be repeatedly used.
Claims (6)
1. a high speed rotor dynamic response test platform calibration standard rotor, it is characterized in that: this standard rotor comprises the rotating shaft (1) of plain shaft structure form, the support of rotating shaft (1) adopts mouse cage supporting construction, in the upper and lower of rotating shaft (1), connect a mouse cage (8) respectively by a set nut (2), each mouse cage (8) inner side and rotating shaft (1) contact position are provided with the rolling bearing (9) of oil lubrication;
The bottom flange connector shaft coupling (5) of rotating shaft (1), makes rotating shaft (1) be connected with testing table by flange-face coupling (5); Flange-face coupling (5) adopts the cylinder conical surface combine and be connected in the fastening mode of centre bolt (11) with rotating shaft (1), and, flange-face coupling (5) inner at flange-face coupling (5) fixed with the centre bolt (11) that passes through of the bottom face of rotating shaft (1);
The counterweight hole (12) that is provided with a plurality of planes on axle body and the top of rotating shaft (1), to carry out the multiaspect counterweigh under fast state; Several counterweight holes (12) of offering in same plane are symmetrically distributed.
2. a kind of high speed rotor dynamic response test platform calibration standard rotor according to claim 1, it is characterized in that: described set nut (2) is provided with adjusting pad (3) with mouse cage (8) contact position, utilizes set nut (2) compression of adjusting pad (3) to be fixed to the inner ring of rolling bearing (9).
3. a kind of high speed rotor dynamic response test platform calibration standard rotor according to claim 1, is characterized in that: described mouse cage (8) is interior with metal-rubber damper (10).
4. a kind of high speed rotor dynamic response test platform calibration standard rotor according to claim 1, is characterized in that: by tight a bolt (6), realize and being connected of testing table transmission shaft flange-face coupling (5) is outside.
5. a kind of high speed rotor dynamic response test platform calibration standard rotor according to claim 1, is characterized in that: described mouse cage (8) outside is fastened on testing table rocker by bolt (4).
6. a kind of high speed rotor dynamic response test platform calibration standard rotor according to claim 1, it is characterized in that: described standard rotor turn scooter 60000r/min, during rotating speed 60000r/min, stable operation is between second order critical rotary speed and three rank critical rotary speeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284602.XU CN203858062U (en) | 2014-05-29 | 2014-05-29 | Standard rotor used for calibration of high-speed rotor dynamic characteristic test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284602.XU CN203858062U (en) | 2014-05-29 | 2014-05-29 | Standard rotor used for calibration of high-speed rotor dynamic characteristic test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858062U true CN203858062U (en) | 2014-10-01 |
Family
ID=51607908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284602.XU Withdrawn - After Issue CN203858062U (en) | 2014-05-29 | 2014-05-29 | Standard rotor used for calibration of high-speed rotor dynamic characteristic test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858062U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994856A (en) * | 2014-05-29 | 2014-08-20 | 北京航天动力研究所 | Standard rotor used for calibrating high-speed rotor dynamic characteristic test bed |
| CN105403363A (en) * | 2015-12-02 | 2016-03-16 | 中核(天津)科技发展有限公司 | External-conical-surface-contained standard calibration rotor for dynamic balancing machine |
| CN106787326A (en) * | 2016-12-15 | 2017-05-31 | 南通金驰机电有限公司 | High-speed electric expreess locomotive based on high rigidity rotor structure |
| CN109932171A (en) * | 2019-04-24 | 2019-06-25 | 北京航空航天大学 | A kind of high speed rotating shaft testing stand |
| CN113607335A (en) * | 2021-08-04 | 2021-11-05 | 安徽九州云箭航天技术有限公司 | Test system and test method for verifying reliability of turbine pump balancing device |
-
2014
- 2014-05-29 CN CN201420284602.XU patent/CN203858062U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994856A (en) * | 2014-05-29 | 2014-08-20 | 北京航天动力研究所 | Standard rotor used for calibrating high-speed rotor dynamic characteristic test bed |
| CN103994856B (en) * | 2014-05-29 | 2016-08-24 | 北京航天动力研究所 | A kind of high speed rotor dynamic response test platform calibration standard rotor |
| CN105403363A (en) * | 2015-12-02 | 2016-03-16 | 中核(天津)科技发展有限公司 | External-conical-surface-contained standard calibration rotor for dynamic balancing machine |
| CN105403363B (en) * | 2015-12-02 | 2018-06-26 | 中核(天津)科技发展有限公司 | Dynamic balancing machine standard calibration rotor with male cone (strobilus masculinus) |
| CN106787326A (en) * | 2016-12-15 | 2017-05-31 | 南通金驰机电有限公司 | High-speed electric expreess locomotive based on high rigidity rotor structure |
| CN109932171A (en) * | 2019-04-24 | 2019-06-25 | 北京航空航天大学 | A kind of high speed rotating shaft testing stand |
| CN113607335A (en) * | 2021-08-04 | 2021-11-05 | 安徽九州云箭航天技术有限公司 | Test system and test method for verifying reliability of turbine pump balancing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |