CN102507118B - Medium and small-sized bearing noise vibration test system - Google Patents
Medium and small-sized bearing noise vibration test system Download PDFInfo
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- CN102507118B CN102507118B CN201110334333.4A CN201110334333A CN102507118B CN 102507118 B CN102507118 B CN 102507118B CN 201110334333 A CN201110334333 A CN 201110334333A CN 102507118 B CN102507118 B CN 102507118B
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The invention belongs to the field of measurement on noise vibration of rolling bearings, and provides a medium and small-sized bearing noise vibration test system. The system is of a room-in-room structure, and an inner room (3) is arranged in an outer room (1) and are mutually independent; and a bearing mounting and clamping device (6) and a drive device (2) are respectively arranged in the inner room (3) and the outer room (1) and are connected by a coupling (5), thus the influence of vibration and noise of the drive device and outer environmental factors on bearing noise vibration test results can be effectively eliminated; an inner wall surface on one side of the inner room, through which the coupler (5) passes, is provided with a reflective surface; and other inner surfaces of the inner room are provided with sound-absorbing sharp wedges (4). According to the medium and small-size bearing noise vibration test system, disclosed by the invention, the inner room and the outer room are independently arranged, the drive device and the bearing mounting and clamping device are arranged in two isolated spaces, the influence of outer factors on the test result is reduced, the result of detecting bearing noise vibration is more real, the defects of the traditional bearing noise and vibration detection are solved, and excellent conditions are provided for the bearing noise vibration analysis.
Description
Technical field
The fields of measurement that the invention belongs to Noise of Rolling Bearing vibration, relates generally to a kind of middle-size and small-size sized bearing noise vibration test system.
Background technology
Bearing in operation process, some except between bearing parts intrinsic, by the desired fortune merit of function other all depart from ideal position motion be all called bear vibration.When the Vibration propagation of rolling bearing is to radiating surface, vibrational energy is converted to pressure wave, blazes abroad and is sound radiation through air dielectric, and wherein 20 ~ 20000Hz part, for the sound radiation that people's ear can receive, is Noise of Rolling Bearing; The vibration of rolling bearing is the main contributor that produces noise, therefore generally replaces noise measurement with vibration survey, also referred to as the noise and vibration of bearing; The noise and vibration of bearing is as the key property of accurate low noise bearing, more and more receive bearing manufacturer and user's concern, become the key index of precision bearing development, therefore the measurement research of bearing noise vibration also more and more receives the concern of Production of bearing producer.
In the past, the detection of bearing noise vibration, analyze mainly, erecting shop indoor in routine and complete, extremely indivedual units adopt conventional bear vibration instrument to carry out in semi-anechoic room, this test mode can not be got rid of the noise of instrument self drive system generation, the impact of vibration, make can not accurate analysis bearing noise generation of vibration reason, impact to bearing noise vibration further research and analyse.
Summary of the invention
The object of the invention is to propose a kind of middle-size and small-size sized bearing noise vibration test system, can effectively get rid of the impact of extraneous factor on test result, solve the deficiency of existing bearing noise vibration detection.
The present invention adopts following technical scheme for completing foregoing invention task:
A test macro for middle-size and small-size bearing noise vibration, described test macro is room structure in room, is provided with He Wai room, interior room; Described interior room is positioned at outer room separate; In described room, structure formation in room completely cuts off the dual of external environmental factor; Bearing in described test macro is installed clamp device and is arranged in the interior room being formed by concrete one-piece casting, be arranged in outer room periphery, interior room and that formed by concrete one-piece casting for the drive unit that drives clamping device rotation, effectively eliminate the impact on bearing noise Results of Vibration of drive unit noise, vibration and external environmental factor; The drive unit that is arranged in outer room is connected with the bearing installation clamp device that is arranged in room by the shaft coupling through room body of wall, by the main shaft rotation of the tight device of drive unit band dynamic bearing mounting clamp; In one side in described interior room, on metope, be provided with reflecting surface, the reflecting surface in described interior room is arranged on the interior metope of a side of being passed by shaft coupling, and part through walls is done sound insulation and processed; In other of described interior room, on metope, all there is wedge absorber, make interior room there is better sound absorbing capabilities.
Described interior room is fixed in the outer room being formed by concrete one-piece casting by vibroshock.
The test macro of a kind of middle-size and small-size bearing noise vibration that the present invention proposes, in in described test macro, Yu Wai room, room is independent mutually, and drive unit and bearing installation clamp device are separated, effectively get rid of the impact of extraneous factor on test result, made the test result of bearing noise vibration truer; Solve the deficiency of existing bearing noise vibration detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, outer room, 2, drive unit, 3, interior room, 4, wedge absorber, 5, shaft coupling, 6, bearing installs clamp device, 7, vibroshock, 8, reflecting surface.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention, single the present invention is not only not limited to following embodiment;
As shown in Figure 1, a kind of test macro of middle-size and small-size bearing noise vibration, described test macro is room structure in room, is provided with interior room 3 and outer room 1; Described interior room 3 is positioned at outer room 1 separate; In described room, structure formation in room completely cuts off the dual of external environmental factor; Bearing in described test macro is installed clamp device 6 and is arranged in the interior room 3 being formed by concrete one-piece casting, be arranged in outer room 1 periphery, interior room and that formed by concrete one-piece casting for the drive unit 2 that drives proving installation rotation, effectively eliminate the impact on bear vibration test result of drive unit noise and vibration and external environmental factor; The drive unit 2 that is arranged in outer room is connected with the proving installation 6 that is arranged in room 3 by the shaft coupling 5 through room body of wall, the main shaft rotation by drive unit 2 with the tight device 6 of dynamic bearing mounting clamp; In one side in described interior room, on metope, be provided with reflecting surface 8, the reflecting surface 8 in described interior room is arranged on the interior metope of a side of being passed by shaft coupling 5, and the coated soft flexible sound-proof material of part through walls does sound insulation and processes; In other of described interior room, on metope, all there is wedge absorber 4, make interior room there is better sound absorbing capabilities.
Described interior room 3 is fixed in the outer room 1 being formed by concrete one-piece casting by vibroshock 7.
The test macro of described bearing noise vibration, the structure that related bearing is installed clamp device, drive unit is the structure of the present measuring technology generally adopting, tester adopts general sound meter, sound pressure level, bearing noise vibration analyzer, the present invention does not relate to the improvement of bearing being installed to clamp device, drive unit and proving installation, method of testing, and it is not done to too much explanation.
Claims (1)
1. a test macro for middle-size and small-size bearing noise vibration, is characterized in that: described test macro is room structure in room, is provided with interior room (3) and outer room (1); Described interior room (3) is positioned at outer room (1) separate; In described room, structure formation in room completely cuts off the dual of external environmental factor; Bearing in described test macro is installed clamp device (6) and is arranged in the interior room (3) being formed by concrete one-piece casting, and described interior room (3) is fixed on by vibroshock (7) in the outer room (1) being formed by concrete one-piece casting; Be arranged in outer room (1) periphery, interior room and that formed by concrete one-piece casting for the drive unit (2) that drives proving installation rotation, effectively eliminate the impact on bearing noise, Results of Vibration of drive unit vibration and noise and external environmental factor; The drive unit (2) that is arranged in outer room (1) is connected with the bearing installation clamp device (6) that is arranged in room (3) by the shaft coupling (5) through room body of wall, tightly installs the main shaft rotation of (6) by drive unit (2) band dynamic bearing mounting clamp; Part through walls is done sound insulation and is processed; In one side in described interior room, on metope, be provided with reflecting surface (8), the reflecting surface (8) in described interior room is arranged on the interior metope of a side of being passed by shaft coupling (5); In other of described interior room, on metope, all there is wedge absorber (4), make interior room there is better sound absorbing capabilities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334333.4A CN102507118B (en) | 2011-10-29 | 2011-10-29 | Medium and small-sized bearing noise vibration test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334333.4A CN102507118B (en) | 2011-10-29 | 2011-10-29 | Medium and small-sized bearing noise vibration test system |
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| Publication Number | Publication Date |
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| CN102507118A CN102507118A (en) | 2012-06-20 |
| CN102507118B true CN102507118B (en) | 2014-05-14 |
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| CN201110334333.4A Active CN102507118B (en) | 2011-10-29 | 2011-10-29 | Medium and small-sized bearing noise vibration test system |
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Families Citing this family (6)
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| CN104236879A (en) * | 2014-08-25 | 2014-12-24 | 合肥工业大学 | Engine blade dynamic and static detecting method based on machine vision |
| CN104897396A (en) * | 2015-06-16 | 2015-09-09 | 陕西法士特齿轮有限责任公司 | Mechanical transmission loaded noise test stand and test method |
| CN108981900A (en) * | 2017-06-01 | 2018-12-11 | 上汽通用汽车有限公司 | High-speed motor acoustical behavior test equipment |
| CN107560722B (en) * | 2017-08-28 | 2019-10-01 | 华东交通大学 | A kind of the high-precision noise measuring method and noise contribution analysis method of box-beam structure |
| CN108444717A (en) * | 2018-06-15 | 2018-08-24 | 苏州忻庭沢机电科技有限公司 | A kind of magnetic suspension bearing dynamic measurement device |
| CN111207942A (en) * | 2020-02-27 | 2020-05-29 | 重庆大学 | NVH rack test system of air condition compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3023604A (en) * | 1959-10-02 | 1962-03-06 | Miniature Prec Bearings Inc | Bearing vibration and noise tester |
| SU1401321A1 (en) * | 1986-12-09 | 1988-06-07 | Отделение Всесоюзного научно-исследовательского института электромеханики | Arrangement for checking rolling-contact bearings by noise |
| CN101476934A (en) * | 2008-12-26 | 2009-07-08 | 洛阳轴研科技股份有限公司 | Bearing noise testing method without special requirements to testing environment |
| CN201392240Y (en) * | 2009-03-10 | 2010-01-27 | 陈九生 | Bearing noise level measuring instrument |
| CN201867296U (en) * | 2010-11-29 | 2011-06-15 | 苏州苏试试验仪器有限公司 | Combined vibration and noise testing equipment |
| CN201965022U (en) * | 2010-12-29 | 2011-09-07 | 上海联合滚动轴承有限公司 | Noise measuring device for gamma star bearing |
-
2011
- 2011-10-29 CN CN201110334333.4A patent/CN102507118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3023604A (en) * | 1959-10-02 | 1962-03-06 | Miniature Prec Bearings Inc | Bearing vibration and noise tester |
| SU1401321A1 (en) * | 1986-12-09 | 1988-06-07 | Отделение Всесоюзного научно-исследовательского института электромеханики | Arrangement for checking rolling-contact bearings by noise |
| CN101476934A (en) * | 2008-12-26 | 2009-07-08 | 洛阳轴研科技股份有限公司 | Bearing noise testing method without special requirements to testing environment |
| CN201392240Y (en) * | 2009-03-10 | 2010-01-27 | 陈九生 | Bearing noise level measuring instrument |
| CN201867296U (en) * | 2010-11-29 | 2011-06-15 | 苏州苏试试验仪器有限公司 | Combined vibration and noise testing equipment |
| CN201965022U (en) * | 2010-12-29 | 2011-09-07 | 上海联合滚动轴承有限公司 | Noise measuring device for gamma star bearing |
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| CN102507118A (en) | 2012-06-20 |
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Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: China Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China |