CN106644462A - Verification test method of gearbox noise prediction model - Google Patents
Verification test method of gearbox noise prediction model Download PDFInfo
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- CN106644462A CN106644462A CN201611005888.3A CN201611005888A CN106644462A CN 106644462 A CN106644462 A CN 106644462A CN 201611005888 A CN201611005888 A CN 201611005888A CN 106644462 A CN106644462 A CN 106644462A
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
-
- 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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a verification test method of a gearbox noise prediction model and relates to the technical field of test methods, The verification test method includes a gearbox finite element model matching test S1, a gear transmission error test S2, a gearbox foot vibration and radiation noise test S3, a gearbox radiation noise source test S4, model matching S5, determination of gear meshing excitation S6, determination of foot vibration and radiation noise S7, identification of sound source and sound field distribution S8, calculation of the level analysis software platform S9, debugging, calibration and gearbox air noise pre-estimation S10. The verification test method of the gearbox noise prediction model measures the gearbox gear meshing excitation, the gearbox foot vibration, the sound radiation measurement, sound source recognition and the sound field, compares the test data with a calculation platform model. A verified calculation platform can be used to estimate the gearbox air noise.
Description
Technical field：
The present invention relates to test method technical field, and in particular to a kind of checking test method of Gear-box Noise forecast model.
Background technology：
Gear-box is the important motivity device for transmitting power, and in fields such as automobile, ship, space flight and aviations important work is played
With.With development in science and technology and the lifting of people's demand, power becomes larger, running speed gradually rises, to tooth for gear-box transmission
The requirement of roller box vibration noise also more and more higher.Gear-box airborne noise pre-estimating technology originates from Germany, through development for many years
More complete theory has been defined, but at present, also there are problems in the method for noise prediction, need further modification
And checking, complete and effective gear drive noise prediction method for designing is especially had not yet been formed, therefore, develop a kind of tooth
Roller box airborne noise predictor method is very necessary.
It is the new technology for growing up nearly ten years that the prediction of acoustics amount calculates appliance computer simulation, with conventional method phase
Than, not only efficiency high, and the irrealizable result of conventional method can be drawn, while the quantification for acoustics design is provided
Effective means.Foreign countries have developed many noise calculation softwares, but bias toward hydroacoustics, architectural acoustics calculating mostly
Or automobile engine noise calculation, and relevant gear tooth noise calculating aspect is less.
The content of the invention：
It is an object of the invention to provide a kind of checking test method of Gear-box Noise forecast model, for known gears parameter,
Gear-box airborne noise is carried out in the case of gear-box operating condition to estimate, and solves to control gear-box airborne noise in the design phase
Technical barrier, foundation is provided for gear-box Low Noise Design, to meet the requirement of gear box designs economy.
The technical solution used in the present invention is：A kind of checking test method of noise prediction model, by gear-box finite element
Model Matching testing experiment S1, gear drive error testing experiment S2, the vibration of gear-box under-chassis and radiated noise testing experiment S3
With gear-box radiated noise sound source testing experiment S4 compositions, the checking test method of Gear-box Noise forecast model：
Step one, carries out gear-box airborne noise and estimates test, and gear-box airborne noise estimates test to be needed in gear-box air
Noise prediction testing stand is carried out, and gear-box airborne noise estimates testing stand mainly circulating power testing stand and test system
Two parts, Power close testing stand include direct current generator, step-up gear, turning engine, accompany examination gearbox hydraulic loader, jiggering
Machine and shaft coupling, described gear-box airborne noise estimates testing stand top and installs acoustic hood additional, by addition to tested gear-box
Other testing stand portion sets cover on acoustic hood the inside；
Step 2, carries out gear drive error testing experiment S2, and described test system is mainly by modal forces hammer, circle light
Grid, acceleration transducer, microphone, acoustic array instrument, vibration noise collection front end, capture card and calculating analysis software platform S9 groups
Into Circular gratings are arranged in big little gear by interface arrangement, and Circular gratings inner ring is fixed by screw thread snap ring and gear shaft, circle light
Grid outer shroud is connected by screw with gear-box, and Circular gratings gathered data is connected with the computer equipped with capture card, carries out gear drive
Error testing tests S2；
Step 3, carries out the vibration of gear-box under-chassis and radiated noise testing experiment S3, described acceleration transducer, microphone and
Acoustic array instrument is connected to the vibration of gear-box under-chassis and radiated noise testing experiment S3 with vibration noise collection front end respectively；
Step 4, estimates gear-box airborne noise S10, and gear engagement is encouraged into S6, under-chassis using calculating analysis software platform S10
Vibration and radiated noise S7 and sound source and sound-filed simulation S8 data are analyzed calculating, estimate gear-box airborne noise S10；It is described
Acceleration transducer be arranged at gearbox shaft bearing and the under-chassis that is connected with rigid base at；Described microphone point
An Zhuan not be highly concordant with gear-box split at gear-box front and side 1m；Acoustic array instrument is arranged on apart from gear-box
At the 1m of side and center of gravity is concordant with gear-box split.
The stable low speed of described turning engine drives circulating power testing stand to carry out gear drive error testing experiment S2, this shape
Circular gratings carry out inner and outer ring rotating speed collection under state, obtain meshed transmission gear error information.
Vibration data at the bearing block that the driving error data of described Circular gratings collection are collected with acceleration transducer
Combine determination gear engagement internal motivation, to supply calculating analysis software platform S9 as gear engagement excitation S6.
Described acoustic array instrument collects gear-box sound source and sound-filed simulation S8, on the one hand recognizing whole experimental enviroment
Sound source excludes test interference, on the other hand verifies the accuracy of acoustic boundary meta-model, verifies the standard of airborne noise predictor method
True property.
Described acoustic hood intercepts the larger equipment of noise in circulating power testing stand, prevents noise unofficial biography and diffusion, with
Reduce the impact to airborne noise test.
The transmission of the computation model of described utilization modal test amendment, comprehensive Circular gratings and acceleration transducer test is missed
Difference determines gear engagement excitation S6, acceleration transducer, microphone and acoustic array instrument test data, determines that under-chassis vibrates and radiates
Noise S7 and identification sound source and sound-filed simulation S8, carry out calculating analysis software platform S9 debugging and calibrate, and carry out gear-box air
Noise prediction S10.
The invention has the beneficial effects as follows：The checking test method of this Gear-box Noise forecast model by experimental test data with
Simulation analysis are calculated and combined, and can be used for the prediction of different operating condition lower tooth roller box airborne noises, are that gear-box low noise sets
Meter provides foundation, and solving Experience Design gear-box cannot reduce vibration and the problems such as noise, it is ensured that transmission quality, improve
Gear-box operating reliability and service life.Accuracy of the present invention is good, practical, versatility is good.
Description of the drawings：
Fig. 1 is embodiment of the present invention schematic diagram.
Specific embodiment：
With reference to Fig. 1, a kind of checking test method of noise prediction model, by gear-box FEM model matching test test S1,
Gear drive error testing experiment S2, the vibration of gear-box under-chassis and radiated noise testing experiment S3 and gear-box radiated noise sound source
Testing experiment S4 is constituted, the checking test method of Gear-box Noise forecast model：
Step one, carries out gear-box airborne noise and estimates test, and gear-box airborne noise estimates test to be needed in gear-box air
Noise prediction testing stand is carried out, and gear-box airborne noise estimates testing stand mainly circulating power testing stand and test system
Two parts, Power close testing stand include direct current generator, step-up gear, turning engine, accompany examination gearbox hydraulic loader, jiggering
Machine and shaft coupling, described gear-box airborne noise estimates testing stand top and installs acoustic hood additional, by addition to tested gear-box
Other testing stand portion sets cover on acoustic hood the inside；
Step 2, carries out gear drive error testing experiment S2, and described test system is mainly by modal forces hammer, circle light
Grid, acceleration transducer, microphone, acoustic array instrument, vibration noise collection front end, capture card and calculating analysis software platform S9 groups
Into Circular gratings are arranged in big little gear by interface arrangement, and Circular gratings inner ring is fixed by screw thread snap ring and gear shaft, circle light
Grid outer shroud is connected by screw with gear-box, and Circular gratings gathered data is connected with the computer equipped with capture card, carries out gear drive
Error testing tests S2；
Step 3, carries out the vibration of gear-box under-chassis and radiated noise testing experiment S3, described acceleration transducer, microphone and
Acoustic array instrument is connected to the vibration of gear-box under-chassis and radiated noise testing experiment S3 with vibration noise collection front end respectively；
Step 4, estimates gear-box airborne noise S10, and gear engagement is encouraged into S6, under-chassis using calculating analysis software platform S10
Vibration and radiated noise S7 and sound source and sound-filed simulation S8 data are analyzed calculating, estimate gear-box airborne noise S10；It is described
Acceleration transducer be arranged at gearbox shaft bearing and the under-chassis that is connected with rigid base at；Described microphone point
An Zhuan not be highly concordant with gear-box split at gear-box front and side 1m；Acoustic array instrument is arranged on apart from gear-box
At the 1m of side and center of gravity is concordant with gear-box split.
The stable low speed of described turning engine drives circulating power testing stand to carry out gear drive error testing experiment S2, this shape
Circular gratings carry out inner and outer ring rotating speed collection under state, obtain meshed transmission gear error information.The transmission of described Circular gratings collection
Error information determines that gear engages internal motivation in combination with vibration data at the bearing block that acceleration transducer is collected, for
To calculating analysis software platform S9 as gear engagement excitation S6.Described acoustic array instrument collects gear-box sound source and sound field point
Cloth S8, on the one hand recognizes that the sound source in whole experimental enviroment excludes test interference, on the other hand verifies acoustic boundary meta-model
Accuracy, verifies the accuracy of airborne noise predictor method.It is larger that described acoustic hood intercepts noise in circulating power testing stand
Equipment, noise unofficial biography and diffusion are prevented, to reduce the impact to airborne noise test.Described utilization modal test amendment
The driving error of computation model, comprehensive Circular gratings and acceleration transducer test determines gear engagement excitation S6, acceleration sensing
Device, microphone and acoustic array instrument test data, determine that under-chassis vibrates and radiated noise S7 and identification sound source and sound-filed simulation S8, enter
Row calculating analysis software platform S9 is debugged and calibrated, and is carried out gear-box airborne noise and is estimated S10.
The checking test method of this Gear-box Noise forecast model, including the test of gear-box FEM model matching test
S1, gear drive error testing experiment S2, the vibration of gear-box under-chassis and radiated noise testing experiment S3, gear-box radiated noise sound
Source testing experiment S4, Model Matching S5, determine gear engagement excitation S6, determine under-chassis vibrate and radiated noise S7, identification sound source
And sound-filed simulation S8, calculating divide analysis software platform S9 debugging and calibration equally and gear-box airborne noise estimates S10.Its middle gear
Case FEM model matching test test S1 is tapped on gear-box by modal forces hammer and completed, and is analyzed by the calculating of calculating platform
Complete Model Matching S5；Gear drive error testing experiment S2 is completed jointly by Circular gratings, capture card and calculating platform, Circular gratings
The analytical calculation of gear drive error will be carried out in gear rotational speed signal input to calculating platform with capture card, to determine that gear is nibbled
Close excitation S6；Gear-box under-chassis vibrates and radiated noise testing experiment S3 utilizes acceleration transducer, microphone and vibration noise
Collection front end is tested, and acceleration transducer is separately mounted at under-chassis and at bearing block, and microphone is separately mounted to gear
At case end face and front 1m, with gear-box split with height, gathered data is used to determine that under-chassis vibrates and radiated noise S7；Gear
Case radiated noise sound source testing experiment S4 is tested by acoustic matrix instrument and collection front end, and acoustic matrix instrument is arranged in apart from gear-box 1m
Place, center measurement concordant with gear-box split is identified sound source and sound-filed simulation S8.Will test acquired results Model Matching
S5, gear engagement encourage S6, determine that under-chassis vibration and radiated noise S7 and sound source and sound-filed simulation S8 are separately input to computer
Analysis software platform S9 is debugged and gear-box airborne noise is obtained in calibrating and estimates S10 calculating platforms, for follow-up gear
Case airborne noise estimates S10 work.
Claims (6)
1. a kind of checking test method of Gear-box Noise forecast model, by gear-box FEM model matching test test S1,
Gear drive error testing experiment S2, the vibration of gear-box under-chassis and radiated noise testing experiment S3 and gear-box radiated noise sound source
Testing experiment S4 is constituted, it is characterised in that：The checking test method of Gear-box Noise forecast model：
Step one, carries out gear-box airborne noise and estimates test, and gear-box airborne noise estimates test to be needed in gear-box air
Noise prediction testing stand is carried out, and gear-box airborne noise estimates testing stand mainly circulating power testing stand and test system
Two parts, Power close testing stand include direct current generator, step-up gear, turning engine, accompany examination gearbox hydraulic loader, jiggering
Machine and shaft coupling, described gear-box airborne noise estimates testing stand top and installs acoustic hood additional, by addition to tested gear-box
Other testing stand portion sets cover on acoustic hood the inside；
Step 2, carries out gear drive error testing experiment S2, and described test system is mainly by modal forces hammer, circle light
Grid, acceleration transducer, microphone, acoustic array instrument, vibration noise collection front end, capture card and calculating analysis software platform S9 groups
Into Circular gratings are arranged in big little gear by interface arrangement, and Circular gratings inner ring is fixed by screw thread snap ring and gear shaft, circle light
Grid outer shroud is connected by screw with gear-box, and Circular gratings gathered data is connected with the computer equipped with capture card, carries out gear drive
Error testing tests S2；
Step 3, carries out the vibration of gear-box under-chassis and radiated noise testing experiment S3, described acceleration transducer, microphone and
Acoustic array instrument is connected to the vibration of gear-box under-chassis and radiated noise testing experiment S3 with vibration noise collection front end respectively；
Step 4, estimates gear-box airborne noise S10, and gear engagement is encouraged into S6, under-chassis using calculating analysis software platform S10
Vibration and radiated noise S7 and sound source and sound-filed simulation S8 data are analyzed calculating, estimate gear-box airborne noise S10；It is described
Acceleration transducer be arranged at gearbox shaft bearing and the under-chassis that is connected with rigid base at；Described microphone point
An Zhuan not be highly concordant with gear-box split at gear-box front and side 1m；Acoustic array instrument is arranged on apart from gear-box
At the 1m of side and center of gravity is concordant with gear-box split.
2. the checking test method of a kind of Gear-box Noise forecast model according to claim 1, it is characterised in that：Jiggering
The stable low speed of machine drives circulating power testing stand to carry out gear drive error testing experiment S2, and Circular gratings carry out inside and outside under this state
Ring rotating speed is gathered, and obtains meshed transmission gear error information.
3. the checking test method of a kind of Gear-box Noise forecast model according to claim 1 and 2, it is characterised in that：
The driving error data of Circular gratings collection determination gear in combination with vibration data at the bearing block that acceleration transducer is collected
Engagement internal motivation, to supply calculating analysis software platform S9 as gear engagement excitation S6.
4. the checking test method of a kind of Gear-box Noise forecast model according to claim 1, it is characterised in that：Acoustic matrix
Row instrument collects gear-box sound source and sound-filed simulation S8, on the one hand recognizes that the sound source in whole experimental enviroment excludes test interference,
On the other hand the accuracy of acoustic boundary meta-model is verified, the accuracy of airborne noise predictor method is verified.
5. the checking test method of a kind of Gear-box Noise forecast model according to claim 1, it is characterised in that：Sound insulation
Cover intercepts the larger equipment of noise in circulating power testing stand, prevents noise unofficial biography and diffusion, and airborne noise is tested with reducing
Impact.
6. a kind of checking test method of the Gear-box Noise forecast model according to claim 1,2,3 or 4, its feature exists
In：Using the computation model of modal test amendment, the driving error of comprehensive Circular gratings and acceleration transducer test determines gear
Engagement excitation S6, acceleration transducer, microphone and acoustic array instrument test data, determine that under-chassis vibrates and radiated noise S7 and knowledge
Other sound source and sound-filed simulation S8, carry out calculating analysis software platform S9 debugging and calibrate, and carry out gear-box airborne noise and estimate
S10。
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107239070A (en) * | 2017-06-29 | 2017-10-10 | 中国船舶重工集团公司第七0三研究所 | The test device and method of testing of a kind of industrial process control system |
| CN107560847A (en) * | 2017-10-13 | 2018-01-09 | 中国船舶重工集团公司第七0三研究所 | A kind of single gear transmission error test system |
| CN109540509A (en) * | 2019-01-24 | 2019-03-29 | 中汽研（天津）汽车工程研究院有限公司 | A kind of gear drive error test macro |
| CN109916620A (en) * | 2019-04-17 | 2019-06-21 | 哈尔滨理工大学 | A kind of detection of gear transmission noises and analysis system |
| CN110375986A (en) * | 2019-08-16 | 2019-10-25 | 沈阳工程学院 | A kind of detection of gear transmission noises and analysis system |
| CN112182803A (en) * | 2020-09-29 | 2021-01-05 | 南京高速齿轮制造有限公司 | Excitation calibration method of dynamic model |
| CN112524224A (en) * | 2020-12-21 | 2021-03-19 | 浙江工业大学 | Vibration and noise reduction speed change gear box based on noise source identification |
| CN112524225A (en) * | 2020-12-21 | 2021-03-19 | 浙江工业大学 | Gearbox gear noise reduction structure based on noise source identification |
| CN112781865A (en) * | 2020-12-25 | 2021-05-11 | 中国船舶重工集团公司第七0三研究所 | Gear vibration noise test method |
| CN112949004A (en) * | 2021-04-09 | 2021-06-11 | 中国船舶重工集团海装风电股份有限公司 | Lightweight design method of wind generating set bearing seat and bearing seat thereof |
| CN113236734A (en) * | 2021-05-11 | 2021-08-10 | 中国船舶重工集团公司第七0三研究所 | Variable-rigidity vibration reduction gear |
| CN113281024A (en) * | 2021-05-13 | 2021-08-20 | 广西防城港核电有限公司 | Off-line detection method for hydraulic jigger of steam turbine |
| CN113418671A (en) * | 2021-05-11 | 2021-09-21 | 中国船舶重工集团公司第七0三研究所 | Drop-out type gear box impact test bed and test method thereof |
| CN114035449A (en) * | 2021-11-11 | 2022-02-11 | 中国船舶重工集团公司第七0三研究所 | Multi-dimensional joint simulation method for marine water cooling system of airport belt |
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| CN107239070A (en) * | 2017-06-29 | 2017-10-10 | 中国船舶重工集团公司第七0三研究所 | The test device and method of testing of a kind of industrial process control system |
| CN107560847A (en) * | 2017-10-13 | 2018-01-09 | 中国船舶重工集团公司第七0三研究所 | A kind of single gear transmission error test system |
| CN109540509A (en) * | 2019-01-24 | 2019-03-29 | 中汽研（天津）汽车工程研究院有限公司 | A kind of gear drive error test macro |
| CN109916620A (en) * | 2019-04-17 | 2019-06-21 | 哈尔滨理工大学 | A kind of detection of gear transmission noises and analysis system |
| CN109916620B (en) * | 2019-04-17 | 2020-08-25 | 哈尔滨理工大学 | Gear drive noise detection and analysis system |
| CN110375986A (en) * | 2019-08-16 | 2019-10-25 | 沈阳工程学院 | A kind of detection of gear transmission noises and analysis system |
| CN110375986B (en) * | 2019-08-16 | 2021-05-04 | 沈阳工程学院 | Gear drive noise detection and analysis system |
| CN112182803B (en) * | 2020-09-29 | 2024-05-14 | 南京高速齿轮制造有限公司 | Excitation calibration method of dynamic model |
| CN112182803A (en) * | 2020-09-29 | 2021-01-05 | 南京高速齿轮制造有限公司 | Excitation calibration method of dynamic model |
| CN112524224A (en) * | 2020-12-21 | 2021-03-19 | 浙江工业大学 | Vibration and noise reduction speed change gear box based on noise source identification |
| CN112524225A (en) * | 2020-12-21 | 2021-03-19 | 浙江工业大学 | Gearbox gear noise reduction structure based on noise source identification |
| CN112781865A (en) * | 2020-12-25 | 2021-05-11 | 中国船舶重工集团公司第七0三研究所 | Gear vibration noise test method |
| CN112949004A (en) * | 2021-04-09 | 2021-06-11 | 中国船舶重工集团海装风电股份有限公司 | Lightweight design method of wind generating set bearing seat and bearing seat thereof |
| CN113236734A (en) * | 2021-05-11 | 2021-08-10 | 中国船舶重工集团公司第七0三研究所 | Variable-rigidity vibration reduction gear |
| CN113418671A (en) * | 2021-05-11 | 2021-09-21 | 中国船舶重工集团公司第七0三研究所 | Drop-out type gear box impact test bed and test method thereof |
| CN113236734B (en) * | 2021-05-11 | 2022-08-19 | 中国船舶重工集团公司第七0三研究所 | Variable-rigidity vibration reduction gear |
| CN113418671B (en) * | 2021-05-11 | 2023-08-01 | 中国船舶重工集团公司第七0三研究所 | Drop-out gearbox impact test bed and test method thereof |
| CN113281024A (en) * | 2021-05-13 | 2021-08-20 | 广西防城港核电有限公司 | Off-line detection method for hydraulic jigger of steam turbine |
| CN113281024B (en) * | 2021-05-13 | 2022-09-02 | 广西防城港核电有限公司 | Off-line detection method for hydraulic jigger of steam turbine |
| CN114035449A (en) * | 2021-11-11 | 2022-02-11 | 中国船舶重工集团公司第七0三研究所 | Multi-dimensional joint simulation method for marine water cooling system of airport belt |
| CN114035449B (en) * | 2021-11-11 | 2024-02-20 | 中国船舶重工集团公司第七0三研究所 | Multidimensional joint simulation method of mechanical sea water cooling system |
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Application publication date: 20170510 |