CN103439111B - Ultra-large type bear vibration noise quality detects machine - Google Patents
Ultra-large type bear vibration noise quality detects machine Download PDFInfo
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- CN103439111B CN103439111B CN201310355290.7A CN201310355290A CN103439111B CN 103439111 B CN103439111 B CN 103439111B CN 201310355290 A CN201310355290 A CN 201310355290A CN 103439111 B CN103439111 B CN 103439111B
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Abstract
Ultra-large type bear vibration noise quality detects machine, and it belongs to mechanical detection apparatus field.Driving mechanism connects main shaft by spindle drive, and collar bush has spring mold, and bearing loads spring mold, locks bearing with check nut; Auxiliary handling machine structure is positioned at below bearing, and holds up bearing; Radial loaded mechanism is positioned at above bearing, and loads radial load to bearing; Axial load maintainer is positioned on the extended line of main-shaft axis, and loads radial load to bearing; The sensor adjusting mechanism be fixed on body connects vibration transducer, and vibration transducer contacts with bearing outer ring; Electric control system connects driving mechanism, and control bearing rotating speed, vibration transducer data transfer is to electric control system.Detectable large size bearing kind is many, size is large, and spindle drive part adopts precision bearing to support can realize higher detection speed, simultaneously auxiliary handling machine structure make sense weight larger large size bearing time can realize easy handling, reduce detection difficulty.
Description
Technical field
The present invention relates to ultra-large type bear vibration noise quality and detect machine, it belongs to mechanical detection apparatus field.
Background technology
Current, because China does not also have ultra-large type bearing d>120mm dynamic mass test specification and acceptance criteria, therefore existing bearing vibration measuring instrument is based on middle-size and small-size bearing measuring, large scale bearing products is delivered to before client uses and is not all carried out oscillating mass detection, this brings hidden danger to bearing enterprise product quality, have a strong impact on the market share of bearing enterprise, simultaneously because of cannot simulation application scene situation about occurring, thus lack the improvement etc. that foundation constrains large size bearing innovation of products designing and transformation, production control process.
Summary of the invention
In view of the defect that prior art exists, the present invention develops ultra-large type bear vibration noise quality and detects machine, ultra-large type bearing is carried out to the detection of bear vibration noise.According to detection data, carry out product structure and design optimization, improvement of production process, thus improve the quality of products, improve ultra-large type bearing serviceable life and reliability, meet the quality problems of bearing user needs and minimizing product better.
For achieving the above object, the technical solution adopted in the present invention is that ultra-large type bear vibration noise quality detects machine, is made up of driving mechanism, body, spindle drive, radial loaded mechanism, axial load maintainer, sensor adjusting mechanism, auxiliary handling machine structure and electric control system; Driving mechanism connects main shaft by spindle drive, and collar bush has spring mold, and bearing loads spring mold, locks bearing with check nut; Auxiliary handling machine structure is positioned at below bearing, and holds up bearing; Radial loaded mechanism is positioned at above bearing, and loads radial load to bearing; Axial load maintainer is positioned on the extended line of main-shaft axis, and loads axial load to bearing; The sensor adjusting mechanism be fixed on body connects vibration transducer, and vibration transducer contacts with bearing outer ring; Electric control system connects driving mechanism, and control bearing rotating speed, vibration transducer data transfer is to electric control system.Described radial loaded mechanism and axial load maintainer are all adopted and are spring-loaded and adopt cylinder secondary load.Described electric control system comprises automatically controlled part and computing machine, and computing machine is according to measurement data, record and display quality curve.Adjustment sensor adjusting mechanism, makes vibration transducer probe be placed in 1/2nd places of bearing outer ring width and contact.Described vibration transducer comprises sensor, prime amplifier and wave filter, and sensor connects prime amplifier, and prime amplifier is connected with wave filter again.Described wave filter adopts Chebyshev filter, and stopband attenuation is greater than 40dB.By vibration transducer, passband collection is carried out to bearing vibration signal, then the signal of collection is carried out the bandpass filtering of basic, normal, high three frequency bands, hyperchannel A/D is utilized to change, the simulating signal of three passages is carried out analog/digital conversion, carry out effective value, peak value, peak factor and kurtosis value computing by the signal of computing machine to conversion, result of calculation is sent display screen to show or is stored the most at last.The digital signal of three of vibration transducer collection frequency bands is delivered to virtual recording camera and is carried out real-time waveform display by described computing machine.
After adopting such scheme, compared with prior art there is following beneficial effect: it is powerful that ultra-large type bear vibration noise quality detects machine, detectable large size bearing kind is many, size is large, spindle drive part adopts precision bearing to support can realize higher detection speed, simultaneously auxiliary handling machine structure make sense weight larger large size bearing time can realize easy handling, reduce detection difficulty.The automatic record of testing result, system provides quality trends figure automatically.The use of this system, extra large capacity motor bearing dynamic mass is calibrated becomes possibility, effectively improves the operational reliability of bearing.
Accompanying drawing explanation
Fig. 1 is the structural drawing that ultra-large type bear vibration noise quality detects machine;
Fig. 2 is the partial enlarged drawing of installation test bearing;
Fig. 3 is computer control system block diagram;
Fig. 4 is vibration transducer measuring principle block diagram;
Fig. 5 is the main interface of computer virtual recording camera.
In figure: 1, driving mechanism, 2, body, 3, spindle drive, 4, radial loaded mechanism, 5, sensor adjusting mechanism, 6, axial load maintainer, 7, electric control system, 8, auxiliary handling machine structure, 9, spring mold, 10, bearing, 11, check nut, 12, main shaft, 13, vibration transducer.
Embodiment
Detect the structure of machine for understanding ultra-large type bear vibration noise quality in depth, composition graphs 1 is described as follows:
Ultra-large type bear vibration noise quality detects machine, is made up of driving mechanism 1, body 2, spindle drive 3, radial loaded mechanism 4, axial load maintainer 6, sensor adjusting mechanism 5, auxiliary handling machine structure 8 and electric control system 7; Driving mechanism 1 connects main shaft 12 by spindle drive 3, and main shaft 12 cover has spring mold 9, and bearing 10 loads spring mold 9, locks bearing 10 with check nut 11; Auxiliary handling machine structure 8 is positioned at below bearing 10, and holds up bearing 10; Radial loaded mechanism 4 is positioned at above bearing 10, and loads radial load to bearing 10; Axial load maintainer 6 is positioned on the extended line of main shaft 12 axis, and loads axial load to bearing 10; The sensor adjusting mechanism 5 be fixed on body 2 connects vibration transducer 13, and vibration transducer 13 contacts with bearing 10 outer ring; Electric control system 7 connects driving mechanism 1, and control bearing 10 rotating speed, vibration transducer 13 data transfer is to electric control system 7.Described radial loaded mechanism 4 and axial load maintainer 6 are all adopted and are spring-loaded and adopt cylinder secondary load.Described electric control system 7 comprises automatically controlled part and computing machine, and computing machine is according to measurement data record and display quality curve.Adjustment sensor adjusting mechanism 5, makes vibration transducer 13 probe be placed in 1/2nd places of bearing 10 outer ring width and contact.
Ultra-large type bear vibration noise quality detect that all kinds of large size bearings that machine produces enterprise on request apply in radial load and axial load one or both, be detected by computer system collection the quality condition that the vibration acceleration value of bearing or velocity amplitude judge bearing.Electric control system adopts the rotating speed that computerizeds control, computer virtual instrument detects bearing vibration parameters in real time, the setting of testing process follow procedure completes automatically, and measurement parameter has: vibration effective value, peak value, peak factor, kurtosis and temperature rise, detects bearing vibration parameters in real time; Axially loading and radial loaded are all adopted and are spring-loaded, and utilize cylinder to assist; According to installation site, bearing place, adjustment radial direction or axial load maintainer, to reach suitable loading position, utilize sensor adjusting mechanism to regulate the position of sensor to reach Measurement accuracy simultaneously.
Suitable spring mold 9 is selected according to measured bearing, load measured bearing 10, subassembly is put into workspace, control auxiliary handling machine structure 8 cylinder by electric control system 7 and hold up measured bearing 10, use handwheel to complete the adjustment of rising height, to make bearing 10 center align with main shaft 12 center simultaneously, then Level Promoting auxiliary handling machine structure, bearing is loaded main shaft, and rotational lock nut 11 locks mold, swelling bearing inner race; By required load, advanced by the cylinder of electric control system 7 control adjustment axial axis to load maintainer 6 and radial loaded mechanism 4, coordinate the trimming hand wheel of these two parts to be loaded by spring, make load reach testing requirement; Start driving mechanism 1 by electric control system 7, spindle drive 3 is rotated and meets the requirements of detection rotating speed.Front and back adjustment sensor adjusting mechanism 5, make vibration transducer 13 gauge head be placed in 1/2nd places of bearing outer ring width, and contact is good.Described vibration transducer 13 comprises sensor, prime amplifier and wave filter, and sensor connects prime amplifier, and prime amplifier is connected with wave filter again.Described wave filter adopts Chebyshev filter, and stopband attenuation is greater than 40dB.Passband collection is carried out by vibration transducer 13 pairs of bearing vibration signal, then the signal of collection is carried out the bandpass filtering of basic, normal, high three frequency bands, hyperchannel A/D is utilized to change, the simulating signal of three passages is carried out analog/digital conversion, carry out effective value, peak value, peak factor and kurtosis value computing by the signal of computing machine to conversion, the digital signal of three frequency bands that vibration transducer 13 gathers by final computing machine is delivered to virtual recording camera and is carried out real-time waveform display and store.After measurement completes, computing machine can display quality curve, and can check, preserves, prints test figure.After whole measurement terminates, each position resets, and takes off bearing, closes source of the gas, finally shuts down computer and primary power.
Claims (7)
1. ultra-large type bear vibration noise quality detects machine, it is characterized in that: be made up of driving mechanism (1), body (2), spindle drive (3), radial loaded mechanism (4), axial load maintainer (6), sensor adjusting mechanism (5), auxiliary handling machine structure (8) and electric control system (7); Driving mechanism (1) connects main shaft (12) by spindle drive (3), main shaft (12) cover has spring mold (9), bearing (10) loads spring mold (9), with check nut (11) locking bearing (10); Auxiliary handling machine structure (8) is positioned at bearing (10) below, and holds up bearing (10); Radial loaded mechanism (4) is positioned at bearing (10) top, and loads radial load to bearing (10); Axial load maintainer (6) is positioned on the extended line of main shaft (12) axis, and loads axial load to bearing (10); The sensor adjusting mechanism (5) be fixed on body (2) connects vibration transducer (13), and vibration transducer (13) contacts with bearing (10) outer ring; Electric control system (7) connects driving mechanism (1), control bearing (10) rotating speed, vibration transducer (13) data transfer is to electric control system (7), electric control system (7) comprises automatically controlled part and computing machine, computer disposal storing measurement data, record and display quality curve.
2. ultra-large type bear vibration noise quality according to claim 1 detects machine, it is characterized in that: described radial loaded mechanism (4) and axial load maintainer (6) are all adopted and be spring-loaded and adopt cylinder secondary load.
3. ultra-large type bear vibration noise quality according to claim 1 detects machine, it is characterized in that: adjustment sensor adjusting mechanism (5), make vibration transducer (13) probe be placed in 1/2nd places of bearing (10) outer ring width and contact.
4. ultra-large type bear vibration noise quality according to claim 1 detects machine, it is characterized in that: described vibration transducer (13) comprises sensor, prime amplifier and wave filter, sensor connects prime amplifier, and prime amplifier is connected with wave filter again.
5. ultra-large type bear vibration noise quality according to claim 4 detects machine, it is characterized in that: described wave filter adopts Chebyshev filter, and stopband attenuation is greater than 40dB.
6. ultra-large type bear vibration noise quality according to claim 4 detects machine, it is characterized in that: by vibration transducer (13), passband collection is carried out to bearing vibration signal, then the signal of collection is carried out the bandpass filtering of basic, normal, high three frequency bands, hyperchannel A/D is utilized to change, the simulating signal of three passages is carried out analog/digital conversion, carry out effective value, peak value, peak factor and kurtosis value computing by the signal of computing machine to conversion, result of calculation is sent display screen to show or is stored the most at last.
7. ultra-large type bear vibration noise quality according to claim 6 detects machine, it is characterized in that: the digital signal of three frequency bands that vibration transducer (13) gathers by described computing machine is delivered to virtual recording camera and carried out real-time waveform display.
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| CN201310355290.7A CN103439111B (en) | 2013-08-15 | 2013-08-15 | Ultra-large type bear vibration noise quality detects machine |
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| CN201310355290.7A CN103439111B (en) | 2013-08-15 | 2013-08-15 | Ultra-large type bear vibration noise quality detects machine |
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| CN103439111B true CN103439111B (en) | 2016-03-02 |
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| CN103934216B (en) * | 2014-04-18 | 2016-06-22 | 杭州安德鲁设备制造有限公司 | A kind of bear vibration noise separator |
| CN103994867B (en) * | 2014-05-09 | 2016-03-23 | 长安大学 | The dynamic force load maintainer that a kind of simulation is vertical with direction of vibration |
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| CN104374470B (en) * | 2014-12-08 | 2017-12-29 | 宁夏大学 | Noise of Rolling Bearing detects and fault diagnosis platform |
| CN105537147A (en) * | 2016-03-01 | 2016-05-04 | 杭州安德鲁设备制造有限公司 | Automatic bearing sound inspection machine |
| CN105784094B (en) * | 2016-03-07 | 2018-12-25 | 洛阳轴承研究所有限公司 | A kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument |
| CN105606324A (en) * | 2016-03-15 | 2016-05-25 | 上海交通大学 | Vibration testing system based on vibration loading device, and method thereof |
| CN106556516B (en) * | 2016-11-26 | 2023-07-14 | 启东锦桥轴承有限公司 | BVT noise test loading device capable of eliminating resonance |
| CN107588954B (en) * | 2017-10-31 | 2024-02-09 | 慈兴集团有限公司 | Testing machine for testing bearing inclined loading force |
| CN108562439A (en) * | 2018-01-09 | 2018-09-21 | 宁波致泰自动化装备有限公司 | A kind of bearing sound vibration detection device |
| CN109632306A (en) * | 2019-02-20 | 2019-04-16 | 银川特种轴承有限公司 | Loading ability of bearing device and Bearing Abnormal Vibration detection device for Bearing Abnormal Vibration detection |
| CN111323229B (en) * | 2020-03-12 | 2022-08-09 | 大连智德科技有限公司 | Full-automatic vertical double-row tapered roller bearing dynamic quality detection system and method |
| CN112474395B (en) * | 2020-12-16 | 2022-04-15 | 大连贝林轴承仪器有限公司 | Manipulator type full-automatic third-generation hub bearing vibration measuring instrument and measuring method |
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Inventor after: Xu Sining Inventor after: Sun Shengge Inventor after: Xu Hongwen Inventor after: Wang Fengcai Inventor after: Chang Wei Inventor after: Zhang Qian Inventor after: Zhang Yana Inventor after: Wang Wei Inventor after: Xu Wei Inventor after: Tian Shiling Inventor after: Dan Lijing Inventor after: Dong Yuxue Inventor before: Xu Sining Inventor before: Sun Shengge Inventor before: Xu Hongwen Inventor before: Chang Wei Inventor before: Zhang Qian Inventor before: Zhang Yana Inventor before: Wang Wei Inventor before: Xu Wei Inventor before: Tian Shiling Inventor before: Dan Lijing Inventor before: Dong Yuxue |
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