CN105784094A - Vibration noise measurement instrument for tapered bore cylindrical roller bearing - Google Patents
Vibration noise measurement instrument for tapered bore cylindrical roller bearing Download PDFInfo
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- CN105784094A CN105784094A CN201610126726.9A CN201610126726A CN105784094A CN 105784094 A CN105784094 A CN 105784094A CN 201610126726 A CN201610126726 A CN 201610126726A CN 105784094 A CN105784094 A CN 105784094A
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- roller bearing
- main shaft
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- bore cylindrical
- bearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
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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
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A vibration noise measurement instrument for a tapered bore cylindrical roller bearing comprises a housing, a main shaft device, a driving device, a positioning device, a radial loading device, a measuring device and a lubricating system. The lubricating system provides lubrication to the main shaft device, the driving device, the positioning device and the radial loading device. The main shaft device is mounted in the housing. The power of the driving device is transmitted to the positioning device through the main shaft device. The positioning device is mounted on the main shaft device. A to-be-measured tapered bore cylindrical roller bearing is fixed on the positioning device. The vibration noise measurement instrument has advantages of low cost and simple operation. The tapered bore cylindrical roller bearing is positioned in the axial direction and the radial direction. The radial loading manner of the vibration noise measurement instrument is improved. Furthermore amplification filtering is performed on an electric signal through a signal conditioning circuit for obtaining the electric signal that satisfies a requirement, thereby further reducing an accidental error in vibration noise measurement and improving measurement accuracy. The vibration noise measurement instrument realizes vibration noise detection of the tapered bore cylindrical roller bearing.
Description
Technical field
The present invention relates to a kind of bearing vibration and noise detection apparatus, especially relate to a kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument.
Background technology
Along with the application of taper-bore cylindrical-roller bearing is more and more extensive, each enterprise is more and more higher to the required precision of taper-bore cylindrical-roller bearing, in process of production the detection of its vibration and noise is just particularly important.At present, bear vibration noise measuring instrument disclosed in Chinese patent application 201310274282.X is only suitable for the vibration noise detection of the cylinder roller bearing that endoporus is straight hole, and its radial loading device structure is complicated, cost is high, adjustment difficulty is bigger, easily cause sensor measurement position deflection, increase labor intensity, bring bigger error to the measurement of vibration noise.These bring hidden danger all to the bearing quality of enterprise, also constrain the control of bearing products production process and the improvement of quality simultaneously.
Summary of the invention
It is an object of the invention to as solving its radial loading device structure of existing apparatus complicated, cost is high, adjustment difficulty is bigger, a kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument is provided, this measuring instrument adopts specific positioner, radial loading device and measurement apparatus, while realizing the measurement of taper-bore cylindrical-roller bearing vibration noise, reduce and measure cost and labor intensity, improve the stability and accuracy measured
The present invention solves the deficiency of above-mentioned technical problem, be the technical scheme is that
nullA kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument，Including casing、Main shaft device、Driving device、Positioner、Radial loading device、Measurement apparatus and lubricating system，Lubricating system is main shaft device、Driving device、Positioner and radial loading device provide lubrication，Main shaft device is arranged in casing，The power of driving device passes to positioner by main shaft device，Positioner is arranged on main shaft device，Taper-bore cylindrical-roller bearing to be measured location is fixing on the positioning device，Described measurement apparatus includes sensor、Signal conditioning circuit box and computer，The signal that sensor detects passes to computer after being processed by signal conditioning circuit box，Sensor is arranged on radial loading device，Radial loading device is supported on the external diameter of taper-bore cylindrical-roller bearing to be measured and makes sensor be positioned at tested cylinder roller bearing radially peak adjusting sensor，Radial loading device includes power charger and float support assembly，Float support assembly includes flexible support pad、Two springs and two float supports，Described power charger has a telescopic end，This telescopic end is fixed with contiguous block，Two float supports are rotatably installed on contiguous block，Two float supports cooperate on the external diameter being folded in taper-bore cylindrical-roller bearing to be measured，Flexible support pad is fixed on the one side of the outer diameter contact of float support and taper-bore cylindrical-roller bearing to be measured，One end of spring is fixed on contiguous block，The other end is fixed on the float support one side away from taper-bore cylindrical-roller bearing external diameter to be measured，So that by the outer ring of the effect centering taper-bore cylindrical-roller bearing to be measured of spring.
Described main shaft device includes main shaft, adopt the first angular contact ball bearing and the second angular contact ball bearing and sleeve installed back-to-back, sleeve is arranged between the first angular contact ball bearing and the second angular contact ball bearing, main shaft runs through casing and arranges, one end of main shaft is connected with driving device, the other end of main shaft is connected with positioner, sleeve, first angular contact ball bearing and the second angular contact ball bearing pass through the fitted seal of clutch shaft bearing lid and the second bearing cap in casing, clutch shaft bearing lid is fixed on casing on one end of driving device, second bearing cap is fixed on casing on one end of positioner, the first pad and the second pad also it is folded with between clutch shaft bearing lid and the second bearing cap and casing.
Described positioner includes mandrel component, packing ring and fastening nut, one end of described mandrel component is fixed on main shaft device, mandrel component is provided with the location shaft shoulder, so that positioning taper-bore cylindrical-roller bearing to be measured, mandrel component is away from being additionally provided with thread segment on one end of main shaft device, being coordinated with packing ring and fastening nut by this thread segment is fixed on mandrel component by survey taper-bore cylindrical-roller bearing to be measured, to prevent the relative mandrel component generation device for elimination of axial-and radial-play of tested taper hole cylindrical bearing inner ring in measurement process.
Described driving device includes motor, polywedge bet, driving pulley and driven pulley, driving pulley is fixed on the outfan of motor, driven pulley is fixed on main shaft device, and polywedge bet is set on driving pulley and driven pulley to realize being rotated by motor drive shaft device.
Described signal conditioning circuit box includes signal amplification module, filtration module and A/D converter, the signal of sensor output is after signal amplification module amplifies, by inputting after filtration module filtering noise to A/D converter, the signal of telecommunication is changed into digital signal and exports to computer disposal by A/D converter.
Described power charger is cylinder.
As shown in the figure, when measuring, mandrel component adopts the conical core shaft identical with tested taper-bore cylindrical-roller bearing tapering, and bearing to be measured is arranged on this mandrel, non-referenced face is positioned by the shaft shoulder, datum level is fixed by packing ring fastening nut, it is ensured that in measurement process, device for elimination of axial-and radial-play does not occur tested taper-bore cylindrical-roller bearing inner ring relative mandrel.Start Pneumatic loading, acted on tested taper-bore cylindrical-roller bearing outer ring by the float support with flexible support pad and carry out radial loaded, load is regulated by Pneumatic loading, by the radially peak position, the tested cylinder roller bearing outer ring of spring automatic capturing that float support assembly both sides tension force is bigger, adjust sensing station so that it is be positioned at tested taper-bore cylindrical-roller bearing outer ring radially peak.Start motor, polywedge bet drive main shaft to rotate, after stabilization of speed, by sensor collection vibration and noise signals, process through signal conditioning circuit, read the registration of computer display, be the vibration noise value of tested taper-bore cylindrical-roller bearing.
The mandrel component mandrel of this measuring instrument is conical core shaft, is replaced by without the measurement that can be used for straight hole cylinder roller bearing vibration noise after the mandrel of tapering.
The radial loading device of this measuring instrument is made up of Pneumatic loading, flexible loading pad, spring case float support that two tension force is bigger.Flexible loading pad is placed in float support front end, it is prevented that score bearings surface in measurement process；The spring that two tension force is bigger is arranged on float support both sides, position, centering tested cylinder roller bearing outer ring, makes sensor be positioned at tested cylinder roller bearing radially peak, it is prevented that in measurement process, outer ring rotates and deflection.
The measurement apparatus of this measuring instrument uses signal conditioning circuit box, by modulate circuit, signal is amplified Filtering Processing, filter ambient noise and the impact of other factors, then pass through A/D converter (A/D) and the signal of telecommunication is changed into digital signal, reduce measurement error, improve the accuracy measured.
The invention has the beneficial effects as follows: the measuring instrument in the present invention is with low cost, simple to operate, axially and radially locate simultaneously realizing taper-bore cylindrical-roller bearing, improve its radial loaded mode, and by signal conditioning circuit, the signal of telecommunication is amplified Filtering Processing and obtains the satisfactory signal of telecommunication, reduce the incidental error that vibration noise is measured further, improve certainty of measurement.By the detection of taper-bore cylindrical-roller bearing vibration noise, be conducive to bearing enterprise to optimize bearing arrangement and design, processing technology, and then realize the raising of bearing quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the enlarged diagram of positioner in the present invention.
Fig. 3 is the enlarged diagram in the present invention under the duty of radial loading device.
Graphical indicia: 1, motor；2, polywedge bet；3, main shaft；4, clutch shaft bearing lid；5, the first pad；6, casing；7, the first angular contact ball bearing；8, sleeve；9, the second angular contact ball bearing；10, the second pad；11, the second bearing cap；12, Pneumatic loading；13, float support assembly；1301, spring；1302, float support；1303, flexible support pad；14, sensor；15, signal conditioning circuit box；16, computer；17, taper-bore cylindrical-roller bearing to be measured；18, packing ring；19, conical core shaft；20, fastening nut.
Detailed description of the invention
Shown in figure, detailed description of the invention is as follows:
nullA kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument，Including casing 6、Main shaft device、Driving device、Positioner、Radial loading device、Measurement apparatus and lubricating system，Lubricating system is main shaft device、Driving device、Positioner and radial loading device provide lubrication，Main shaft device is arranged in casing 6，The power of driving device passes to positioner by main shaft device，Positioner is arranged on main shaft device，Taper-bore cylindrical-roller bearing 17 to be measured location is fixing on the positioning device，Described measurement apparatus includes sensor 14、Signal conditioning circuit box 15 and computer 16，The signal that sensor 14 detects passes to computer 16 after being processed by signal conditioning circuit box 15，Sensor 14 is arranged on radial loading device，Radial loading device is supported on the external diameter of taper-bore cylindrical-roller bearing 17 to be measured and makes sensor 14 be positioned at tested cylinder roller bearing 17 radially peak adjusting sensor 14，Radial loading device includes power charger 12 and float support assembly 13，Float support assembly 13 includes flexible support pad 1303、Two springs 1301 and two float supports 1302，Described power charger 12 has a telescopic end，This telescopic end is fixed with contiguous block，Two float supports 1302 are rotatably installed on contiguous block，Two float supports 1302 cooperate on the external diameter being folded in taper-bore cylindrical-roller bearing 17 to be measured，Flexible support pad 1303 is fixed on the one side of the outer diameter contact of float support 1302 and taper-bore cylindrical-roller bearing 17 to be measured，One end of spring 1301 is fixed on contiguous block，The other end is fixed on the float support 1302 one side away from taper-bore cylindrical-roller bearing 17 external diameter to be measured，So that by the outer ring of the effect centering taper-bore cylindrical-roller bearing 17 to be measured of spring 1301.
Described main shaft device includes main shaft 3, adopt the first angular contact ball bearing 7 and the second angular contact ball bearing 9 and sleeve 8 installed back-to-back, sleeve 8 is arranged between the first angular contact ball bearing 7 and the second angular contact ball bearing 9, main shaft 3 runs through casing 6 and arranges, one end of main shaft 3 is connected with driving device, the other end of main shaft 3 is connected with positioner, sleeve 8, first angular contact ball bearing 7 and the second angular contact ball bearing 9 pass through the fitted seal of clutch shaft bearing lid 4 and the second bearing cap 11 in casing 6, clutch shaft bearing lid 4 is fixed on casing 6 on one end of driving device, second bearing cap 11 is fixed on casing on one end of positioner, the first pad 5 and the second pad 10 also it is folded with between clutch shaft bearing lid 4 and the second bearing cap 11 and casing 6.
Described positioner includes mandrel component 19, packing ring 18 and fastening nut 20, one end of described mandrel component 19 is fixed on main shaft device, mandrel component 19 is provided with the location shaft shoulder, so that positioning taper-bore cylindrical-roller bearing 17 to be measured, mandrel component 19 is away from being additionally provided with thread segment on one end of main shaft device, being coordinated with packing ring 18 and fastening nut 20 by this thread segment is fixed on mandrel component 19 by survey taper-bore cylindrical-roller bearing 17 to be measured, to prevent the tested relative mandrel component 19 of taper hole cylindrical bearing 17 inner ring in measurement process from device for elimination of axial-and radial-play occurring.
Described driving device includes motor 1, polywedge bet 2, driving pulley and driven pulley, driving pulley is fixed on the outfan of motor 1, driven pulley is fixed on main shaft device, and polywedge bet 2 is set on driving pulley and driven pulley to realize being rotated by motor drive shaft device.
Described signal conditioning circuit box 15 includes signal amplification module, filtration module and A/D converter, the signal of sensor output is after signal amplification module amplifies, by inputting after filtration module filtering noise to A/D converter, the signal of telecommunication is changed into digital signal and exports to computer disposal by A/D converter.
Described power charger 12 is cylinder.
As shown in the figure, when measuring, mandrel component adopts the conical core shaft identical with tested taper-bore cylindrical-roller bearing tapering, and bearing to be measured is arranged on this mandrel, non-referenced face is positioned by the shaft shoulder, datum level is fixed by packing ring 18 fastening nut 20, it is ensured that in measurement process, device for elimination of axial-and radial-play does not occur tested taper-bore cylindrical-roller bearing 17 inner ring relative mandrel.Start Pneumatic loading 12, acted on tested taper-bore cylindrical-roller bearing 17 outer ring by the float support with flexible support pad and carry out radial loaded, load is regulated by Pneumatic loading, by the radially peak position, spring automatic capturing tested cylinder roller bearing 17 outer ring that float support assembly 13 both sides tension force is bigger, adjust sensor 14 position so that it is be positioned at tested taper-bore cylindrical-roller bearing 17 outer ring radially peak.Start motor 1, polywedge bet 2 drive main shaft 3 to rotate, after stabilization of speed, sensor 14 collect vibration and noise signals, process through signal conditioning circuit 15, read the registration of computer 16 display, be the vibration noise value of tested taper-bore cylindrical-roller bearing 17.
The mandrel component mandrel of this measuring instrument is conical core shaft, is replaced by without the measurement that can be used for straight hole cylinder roller bearing vibration noise after the mandrel of tapering.
The radial loading device of this measuring instrument is made up of Pneumatic loading, flexible loading pad, spring case float support that two tension force is bigger.Flexible loading pad is placed in float support front end, it is prevented that score bearings surface in measurement process；The spring that two tension force is bigger is arranged on float support both sides, position, centering tested cylinder roller bearing outer ring, makes sensor be positioned at tested cylinder roller bearing radially peak, it is prevented that in measurement process, outer ring rotates and deflection.
The measurement apparatus of this measuring instrument uses signal conditioning circuit box, by modulate circuit, signal is amplified Filtering Processing, filters ambient noise and the impact of other factors, then pass through A/D converter A/D and the signal of telecommunication is changed into digital signal, reduce measurement error, improve the accuracy measured.
Technical scheme cited by the present invention and embodiment non-limiting, be equal to the technical scheme cited by the present invention and embodiment or effect same approach be all in the scope that the present invention protects.
Claims (6)
- null1. a taper-bore cylindrical-roller bearing vibration noise measuring instrument，Including casing (6)、Main shaft device、Driving device、Positioner、Radial loading device、Measurement apparatus and lubricating system，Lubricating system is main shaft device、Driving device、Positioner and radial loading device provide lubrication，Main shaft device is arranged in casing (6)，The power of driving device passes to positioner by main shaft device，Positioner is arranged on main shaft device，Taper-bore cylindrical-roller bearing to be measured (17) location is fixing on the positioning device，It is characterized in that: described measurement apparatus includes sensor (14)、Signal conditioning circuit box (15) and computer (16)，The signal that sensor (14) detects passes to computer (16) after being processed by signal conditioning circuit box (15)，Sensor (14) is arranged on radial loading device，Radial loading device is supported on the external diameter of taper-bore cylindrical-roller bearing to be measured (17) and makes sensor (14) be positioned at tested cylinder roller bearing (17) radially peak adjusting sensor (14)，Radial loading device includes power charger (12) and float support assembly (13)，Float support assembly (13) includes flexible support pad (1303)、Two springs (1301) and two float supports (1302)，Described power charger (12) has a telescopic end，This telescopic end is fixed with contiguous block，Two float supports (1302) are rotatably installed on contiguous block，Two float supports (1302) cooperate on the external diameter being folded in taper-bore cylindrical-roller bearing to be measured (17)，Flexible support pad (1303) is fixed on the one side of the outer diameter contact of float support (1302) and taper-bore cylindrical-roller bearing to be measured (17)，One end of spring (1301) is fixed on contiguous block，The other end is fixed on the float support (1302) one side away from taper-bore cylindrical-roller bearing to be measured (17) external diameter，So that by the outer ring of effect centering taper-bore cylindrical-roller bearing to be measured (17) of spring (1301).
- null2. a kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument according to claim 1，It is characterized in that: described main shaft device includes main shaft (3)、Adopt the first angular contact ball bearing (7) and the second angular contact ball bearing (9) and sleeve (8) installed back-to-back，Sleeve (8) is arranged between the first angular contact ball bearing (7) and the second angular contact ball bearing (9)，Main shaft (3) runs through casing (6) and arranges，One end of main shaft (3) is connected with driving device，The other end of main shaft (3) is connected with positioner，Sleeve (8)、First angular contact ball bearing (7) and the second angular contact ball bearing (9) by the fitted seal of clutch shaft bearing lid (4) and the second bearing cap (11) in casing (6)，Clutch shaft bearing lid (4) is fixed on casing (6) on one end of driving device，Second bearing cap (11) is fixed on casing on one end of positioner，The first pad (5) and the second pad (10) also it is folded with between clutch shaft bearing lid (4) and the second bearing cap (11) and casing (6).
- 3. a kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument according to claim 1, it is characterized in that: described positioner includes mandrel component (19), packing ring (18) and fastening nut (20), one end of described mandrel component (19) is fixed on main shaft device, mandrel component is provided with the location shaft shoulder on (19), so that positioning taper-bore cylindrical-roller bearing to be measured (17), mandrel component (19) is away from being additionally provided with thread segment on one end of main shaft device, being coordinated with packing ring (18) and fastening nut (20) by this thread segment is fixed on mandrel component (19) by survey taper-bore cylindrical-roller bearing (17) to be measured, to prevent the relative mandrel component of tested taper hole cylindrical bearing (17) inner ring (19) in measurement process from device for elimination of axial-and radial-play occurring.
- 4. a kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument according to claim 1, it is characterized in that: described driving device includes motor (1), polywedge bet (2), driving pulley and driven pulley, driving pulley is fixed on the outfan of motor (1), driven pulley is fixed on main shaft device, and polywedge bet (2) is set on driving pulley and driven pulley to realize being rotated by motor drive shaft device.
- 5. a kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument according to claim 1, it is characterized in that: described signal conditioning circuit box (15) includes signal amplification module, filtration module and A/D converter, the signal of sensor output is after signal amplification module amplifies, by inputting after filtration module filtering noise to A/D converter, the signal of telecommunication is changed into digital signal and exports to computer disposal by A/D converter.
- 6. a kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument according to claim 1, it is characterised in that: described power charger (12) is cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610126726.9A CN105784094B (en) | 2016-03-07 | 2016-03-07 | A kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126726.9A CN105784094B (en) | 2016-03-07 | 2016-03-07 | A kind of taper-bore cylindrical-roller bearing vibration noise measuring instrument |
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| CN105784094A true CN105784094A (en) | 2016-07-20 |
| CN105784094B CN105784094B (en) | 2018-12-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144429A (en) * | 2017-05-20 | 2017-09-08 | 无锡沃尔德轴承有限公司 | A kind of vibration measurement of bearings all-in-one |
| 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 |
| KR101901070B1 (en) | 2017-09-19 | 2018-09-21 | 한국수자원공사 | Radial thrust measuring test apparatus |
| CN110887589A (en) * | 2019-12-04 | 2020-03-17 | 兰州华汇仪器科技有限公司 | Method for measuring friction torque of bearing during rotation |
| CN113834659A (en) * | 2021-11-29 | 2021-12-24 | 山东凤鸣新材料有限公司 | Vibration speed testing device for bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144429A (en) * | 2017-05-20 | 2017-09-08 | 无锡沃尔德轴承有限公司 | A kind of vibration measurement of bearings all-in-one |
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| 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 |
| CN110887589A (en) * | 2019-12-04 | 2020-03-17 | 兰州华汇仪器科技有限公司 | Method for measuring friction torque of bearing during rotation |
| CN110887589B (en) * | 2019-12-04 | 2021-08-17 | 兰州华汇仪器科技有限公司 | Method for measuring friction torque of bearing during rotation |
| CN113834659A (en) * | 2021-11-29 | 2021-12-24 | 山东凤鸣新材料有限公司 | Vibration speed testing device for bearing |
| CN113834659B (en) * | 2021-11-29 | 2022-02-18 | 山东凤鸣新材料有限公司 | Vibration speed testing device for bearing |
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|---|---|
| CN105784094B (en) | 2018-12-25 |
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