CN202092766U - Speed type bearing vibration measuring instrument - Google Patents
Speed type bearing vibration measuring instrument Download PDFInfo
- Publication number
- CN202092766U CN202092766U CN2011202134572U CN201120213457U CN202092766U CN 202092766 U CN202092766 U CN 202092766U CN 2011202134572 U CN2011202134572 U CN 2011202134572U CN 201120213457 U CN201120213457 U CN 201120213457U CN 202092766 U CN202092766 U CN 202092766U
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- measuring instrument
- bearing
- function
- bearing vibration
- mechanical part
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Abstract
The utility model relates to a measuring instrument, and discloses a speed type bearing vibration measuring instrument with high precision, which comprises the mechanical part of the measuring instrument and a BVT-IIIA type electric box, wherein the BVT-IIIA electric box is connected with the mechanical part of the measuring instrument, and the mechanical part of the measuring instrument comprises a main shaft driver, a speed type sensor of a moving coil type, a loader for axial load, a silencing switch and a main shaft lubricating system; and the main shaft driver is connected with a sensor adjusting device. The speed type bearing vibration measuring instrument has the function of respectively displaying the RMS (root mean square) values of the three band vibrations of a low band, an intermediate and a high band through three voltmeter heads, has the function of selecting the sound quality of bearing vibration noise, the function of timely detection of bearing vibration waveforms, the function of circuit monitoring and the function of rapid detection of a bearing, satisfies multiple requirements in a measuring process to a maximum extent, and can more precisely measure the speed value of bearing vibration.
Description
Technical field
The utility model relates to a kind of surveying instrument, relates in particular to the high-accuracy bearing vibration measuring instrument device of a kind of high precision.
Background technology
The velocity profile bearing vibration measuring instrument is a high-accuracy surveying instrument of measuring the bearing vibration velocity, be applicable to various model bearing vibration values and the measurement of vibrating different sound, this instrument requires according to present bear vibration measuring technique and user's actual needs is developed, instrument is produced according to the JB/T5313-91 standardized designs, product all adopts modular design, the integrated level height, good stability, this instrument is applicable to the detection of Bearing Factory's measuring room and production scene, the analysis of the measurement of bear vibration and bearing manufacturing process and research, and be widely used in the quality identification of bearing user to the buying bearing.Rolling bearing is the vitals in the plant equipment, and the quality of bearing quality is to the serviceable life of equipment, and the magnitude of vibrations that produces in the equipment operation process is closely bound up.
Existing velocity profile bearing vibration measuring instrument function is simply single, can only react bearing vibration situation poor stability simultaneously from the angle mean value of energy, can not satisfy many-sided demand in the actual use of user, especially improving constantly along with Production of bearing technology, the user is more and more urgent to the requirement of the different sound of bearing, the velocity profile bearing vibration measuring instrument is badly in need of adding multiple function, and modular design is improved.
Summary of the invention
The utility model is at the shortcoming of the velocity profile bearing vibration measuring instrument function singleness that exists in the prior art, and the velocity profile bearing vibration measuring instrument that possesses multiple function after a kind of improvement is provided.It can effectively detect the vibration values size of deep groove ball bearing, angular contact ball bearing, taper roll bearing, cylinder roller bearing by the moving-coil speed-type sensor, bearing quality is carried out effectively evaluating, and this quasi-instrument is widely used in bearing, motor, pump, lathe, transformer, petrochemical industry, aviation and other relevant industries.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals.
The velocity profile bearing vibration measuring instrument, comprise measuring instrument mechanical part and the BVT-IIIA type electronic box that is connected with the measuring instrument mechanical part, described measuring instrument mechanical part comprises spindle driver, moving-coil speed-type sensor, axial load loader, silence switch and principal axis lubrication system, be connected with the sensor adjusting gear on the spindle driver, this sensor adjusting gear comprises that axle, vertical slipper, vertical direction are adjusted handwheel, vertically set lever, cross sliding clock, horizontal direction are adjusted handwheel and horizontal set lever; Described spindle driver top is connected with BVT-IIIA type electronic box, and BVT-IIIA type electronic box is provided with prime amplifier, calibration module, monitoring circuit audio processing module, audio module, power amplifier, gear conversion, 50-300 bandpass filter, 300-1800 bandpass filter, 1800-10000 bandpass filter, many cell means module and bearing fast detecting module.
During concrete work, the rotating band dynamic bearing inner ring of spindle driver clockwise rotates, pneumatic axial loader solid bearing, and the level when preventing the bearing rotation is beated.The moving-coil speed-type sensor is pressed in the centre position of bearing outer ring, radial vibration velocity amplitude when picking up the bearing rotation, the vibration signal that BVT-IIIA velocity profile electronic box is picked up sensor carries out further computing and processing, then by various ways such as gauge outfit, oscillograph, loudspeaker reaction bearing vibration performance situation.Realize bear vibration noise tonequality selection function by bear vibration noise tonequality selection function module, in order to allow the user judge the different sound of bearing vibration by loudspeaker more clearly, at the bearing of different model, select different loudspeaker tonequality by " audio/TUNE " function switch of front panel; Realize the in good time detection function of bear vibration waveform by the in good time detection function module of bear vibration waveform, according to user's demand, in the time of can reproducing bear vibration in real time by oscillograph at the vibrational waveform of high frequency, intermediate frequency, low frequency and passband; Realize the monitoring circuit function by the monitoring circuit module, bearing vibration signal is delivered to loudspeaker, the operator can monitor the bearing vibration noise by means of loudspeaker; When adjusting the sensor upper-lower position, whether the user can also come discriminating sensor to contact with bearing outer ring by the monitoring circuit module, realize bearing fast detecting function by bearing fast detecting functional module, by the threshold value of a bear vibration velocity amplitude to be measured of definite value circuit setting, differentiate the performance of bearing to be measured then at a high speed by overload light.
The utility model is owing to adopt above technical scheme, have significant technique effect: it not only has the function that shows the vibration RMS value of basic, normal, high, triband by three voltmeter heads respectively, and have bear vibration noise tonequality selection function, the in good time detection function of bear vibration waveform, monitoring circuit function and a bearing fast detecting function, fullest satisfied the multiple demand in the measuring process, can more accurate measurement bearing vibration speed value.
Description of drawings
Fig. 1 is the theory diagram of the utility model embodiment.
Fig. 2 is the structural representation of sensor adjusting gear among Fig. 1.
Fig. 3 is the left view of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
Embodiment, the velocity profile bearing vibration measuring instrument, as shown in Figure 1 to Figure 3, comprise measuring instrument mechanical part 101 and the BVT-IIIA type electronic box 102 that is connected with measuring instrument mechanical part 101, described measuring instrument mechanical part 101 comprises spindle driver 13, moving-coil speed-type sensor 11, axial load loader 10, silence switch 19 and principal axis lubrication system 17, be connected with sensor adjusting gear 28 on the spindle driver 13, this sensor adjusting gear 28 comprises axle 1, vertical slipper 3, vertical direction is adjusted handwheel 8, vertical set lever 2, cross sliding clock 4, horizontal direction is adjusted handwheel 7 and horizontal set lever 6; Described spindle driver 13 tops are connected with BVT-IIIA type electronic box 102, and BVT-IIIA type electronic box 102 is provided with prime amplifier 12, calibration module 20, monitoring circuit audio processing module 14, audio module 15, power amplifier 21, gear conversion 18,50-300 bandpass filter 22,300-1800 bandpass filter 24,1800-10000 bandpass filter 26, mean value module 23 and fast detecting module 30, mean value module 25 and fast detecting module 29, mean value module 27 and fast detecting module 31.
Sensor in the present embodiment adopts moving-coil speed-type sensor 11, picker shaft bearing outer-ring radial vibration velocity amplitude, and the electric signal of its output is directly proportional with the radial vibration speed of bearing outer ring.It is slight in 0.7N that this sensor has ergometry, and resonance frequency is tall and big in characteristics such as 13KHz.
Sensor adjusting gear 28 can make moving-coil speed-type sensor 11 do the adjustment of level and vertical direction as requested.
BVT-IIIA type electronic box 102, by the electronic box housing, oscillograph is optional, and external voice box is formed, and the performance situation of bear vibration is characterized out in several ways.
In a word, the above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (1)
1. velocity profile bearing vibration measuring instrument, comprise measuring instrument mechanical part (101) and the BVT-IIIA type electronic box (102) that is connected with measuring instrument mechanical part (101), it is characterized in that: described measuring instrument mechanical part (101) comprises spindle driver (13), moving-coil speed-type sensor (11), axial load loader (10), silence switch (19) and principal axis lubrication system (17), be connected with sensor adjusting gear (28) on the spindle driver (13), this sensor adjusting gear (28) comprises axle (1), vertical slipper (3), vertical direction is adjusted handwheel (8), vertical set lever (2), cross sliding clock (4), horizontal direction is adjusted handwheel (7) and horizontal set lever (6); Described spindle driver (13) top is connected with BVT-IIIA type electronic box (102), and BVT-IIIA type electronic box (102) is provided with prime amplifier (12), calibration module (20), monitoring circuit audio processing module (14), audio module (15), power amplifier (21), gear conversion (18), 50-300 bandpass filter (22), 300-1800 bandpass filter (24), 1800-10000 bandpass filter (26), mean value module (23,25,27) and bearing fast detecting module (29,30,31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202134572U CN202092766U (en) | 2011-06-22 | 2011-06-22 | Speed type bearing vibration measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202134572U CN202092766U (en) | 2011-06-22 | 2011-06-22 | Speed type bearing vibration measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092766U true CN202092766U (en) | 2011-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202134572U Expired - Fee Related CN202092766U (en) | 2011-06-22 | 2011-06-22 | Speed type bearing vibration measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013135138A1 (en) * | 2012-03-14 | 2013-09-19 | 南京埃斯顿自动控制技术有限公司 | Method for measuring mechanical resonance frequency by using servo driver |
| CN103439111A (en) * | 2013-08-15 | 2013-12-11 | 瓦房店轴承集团有限责任公司 | Super-large bearing vibration noise quality detector |
-
2011
- 2011-06-22 CN CN2011202134572U patent/CN202092766U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013135138A1 (en) * | 2012-03-14 | 2013-09-19 | 南京埃斯顿自动控制技术有限公司 | Method for measuring mechanical resonance frequency by using servo driver |
| US9194739B2 (en) | 2012-03-14 | 2015-11-24 | Nanjing Estun Automation, Co. LTD | Method for measuring mechanical resonance frequency using servo driver |
| CN103439111A (en) * | 2013-08-15 | 2013-12-11 | 瓦房店轴承集团有限责任公司 | Super-large bearing vibration noise quality detector |
| CN103439111B (en) * | 2013-08-15 | 2016-03-02 | 瓦房店轴承集团有限责任公司 | Ultra-large type bear vibration noise quality detects machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20140622 |
|
| EXPY | Termination of patent right or utility model |