CN206601236U - Bear vibration noise measuring instrument - Google Patents

Bear vibration noise measuring instrument Download PDF

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Publication number
CN206601236U
CN206601236U CN201720187790.8U CN201720187790U CN206601236U CN 206601236 U CN206601236 U CN 206601236U CN 201720187790 U CN201720187790 U CN 201720187790U CN 206601236 U CN206601236 U CN 206601236U
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CN
China
Prior art keywords
main shaft
measuring instrument
fitting
vibration noise
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720187790.8U
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Chinese (zh)
Inventor
董文成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenling Superstar Steel Ball Co Ltd
Original Assignee
Wenling Superstar Steel Ball Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenling Superstar Steel Ball Co Ltd filed Critical Wenling Superstar Steel Ball Co Ltd
Priority to CN201720187790.8U priority Critical patent/CN206601236U/en
Application granted granted Critical
Publication of CN206601236U publication Critical patent/CN206601236U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of bear vibration noise measuring instrument, its drip irrigation device is:Including frame, it is arranged on the main shaft in frame, motor, be connected and be used for the mandrel for being socketed bearing with main shaft, detection means, cylinder, abut component, abutting component includes being arranged on connecting rod of the power output shaft at the end face center of main shaft, for the fitting abutted with bearing face, connecting hole is provided through at the axle center of fitting, connecting rod is provided with the annular groove for placing fitting on the side wall of main shaft, and the width of rebate of the annular groove is more than the width of fitting, and the diameter length of connecting hole is more than the interior diameter length of annular groove, the fitting of activity can together be moved with bearing outer ring, so ensure that fitting can be abutted with bearing outer ring all the time, and influence will not be produced on the bounce of bearing outer ring, the data so tested out are more accurate, the measurement accuracy of bear vibration noise measuring instrument is ensure that to a certain extent.

Description

Bear vibration noise measuring instrument
Technical field
The utility model is related to Bearing testing equipment, more particularly to a kind of bear vibration noise measuring instrument.
Background technology
Bear vibration noise measuring instrument, is to be used to measure deep groove ball bearing, angular contact ball bearing, Tapered Roller Bearing Vibration The instrumentation of speed.
At present, notification number discloses a kind of bear vibration tester for CN204575194U Chinese patent, and it includes electricity The inner ring of bearing, is set in and turned by machine and the rotating shaft being arranged on motor output end when using bear vibration tester On axle, and it can also be offseted in existing bear vibration tester using frame is abutted with bearing outer ring so that bearing is in rotation When be less prone to axial movement, but abut frame and be less prone to skew when in use, existing bearing includes bearing Inner ring, bearing outer ring, the steel ball between bearing inner race and bearing outer ring, when being detected to bearing, due to There is error in the sphericity of steel ball, so when bearing inner race is rotated, the situation of downward shift, and axle easily occurs in bearing outer ring Vibrating noise can be sent when rotation by holding inner ring, if the position for thus abutting frame is fixed, existed in bearing outer ring and beated During trend, abut frame and fix and motionless, i.e., can directly affect the natural jerk value of bearing outer ring, the data meeting so tested out There is larger error.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of bear vibration noise measuring Instrument, the data that it is tested out are more accurate.
Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of bear vibration noise Detector, including frame, be arranged in frame main shaft, be arranged on machine frame inside and for drive shaft rotate motor, with Main shaft be connected and for be socketed bearing mandrel, be arranged in frame detection means, be arranged in frame cylinder, be arranged on Abutting component on the power output shaft of cylinder and for being abutted with bearing, the abutting component includes being arranged on power output shaft Passed through at connecting rod at the end face center of main shaft, the fitting for being abutted with bearing face, the axle center of the fitting Wear and be equipped with connecting hole, the connecting rod is provided with the annular groove for placing fitting, and the ring on the side wall of main shaft The width of rebate of groove is more than the width of fitting, and interior diameter length of the diameter length more than annular groove of connecting hole.
By above-mentioned technical proposal, when bearing is detected using bear vibration noise measuring instrument, bearing is set in On mandrel, then drive cylinder causes the power output shaft of cylinder to be moved towards bearing side and finally and axle with abutting component Hold and offset, then open motor drive the mandrel on main axis, main shaft as main shaft is rotated together, now the inner ring of bearing with Mandrel to rotate together, and the outer ring of bearing is not susceptible to rotate in the case where abutting the withstanding effect of component, then detection means pair The noise that bearing is produced when rotating is detected;Fitting is connected to the inside of annular groove, because the width of annular groove is more than fitting Width, fitting can be moved inside annular groove;Bearing inner race is when rotating, because the sphericity of internal steel ball is deposited In error, its central point easily shifts when such bearing outer ring is rotated, and movable fitting can be with bearing outer ring together It is mobile, so ensure that fitting can be abutted with bearing outer ring all the time, and influence will not be produced on the bounce of bearing outer ring, so The data tested out are more accurate, and the measurement accuracy of bear vibration noise measuring instrument is ensure that to a certain extent.
It is preferred that, the fitting includes being connected to connecting plate of the connecting rod on the end face of main shaft, is arranged on connection Abutting post of the plate on main shaft end face, the abutting post is used to offset with the outer ring of bearing.
By above-mentioned technical proposal, fitting includes connecting plate and abuts post, abuts post and is set perpendicular to connecting plate, this Sample is abutted post and abutted with the outer ring of bearing, so carried out in bearing when being abutted using fitting to bearing When rotation, fitting is difficult to touch with the inner ring of bearing so that the vibrating noise of the bearing detected is more accurate.
It is preferred that, the connecting plate is provided with slippage slot on the end face of main shaft, and the abutting post sliding is connected to cunning The inside of groove is moved, being internally provided with for the connecting plate abuts the drive mechanism that post is moved along slippage slot for driving.
By above-mentioned technical proposal, when being clamped using abutting post to the outer ring of bearing, driving can be passed through Mechanism controls abut position of the post inside slippage slot, and the abutting post so set can be used in clamping outer ring axle of different sizes Hold, the suitability of bear vibration noise measuring instrument is improved to a certain extent.
It is preferred that, in addition to loop bar, one end of the loop bar is set in cylinder power output shaft on the end face of main shaft, The other end of loop bar is connected with connecting rod, and the loop bar is internally provided with spring, and spring is away from one end of main shaft and cylinder Power output shaft is connected.
By above-mentioned technical proposal, one end of loop bar is set on the power output shaft of cylinder, and the other end and connecting rod It is connected, loop bar is internally provided with the spring being connected for the power output shaft with cylinder;When bearing inner race is rotated, by In the sphericity existing defects of steel ball, the possibility of axial movement occurs in such bearing outer ring, and the loop bar of activity can carry out axle To movement, the axial movement for adapting to bearing outer ring so will not be to having influence on the axial movement of bearing outer ring so that inspection Measure the bear vibration noise come more accurate.
It is preferred that, guide groove, the length direction of the guide groove and the length of loop bar are provided with the side wall of the loop bar Direction is identical, and restriction post is provided with the side wall of the power output shaft of the cylinder, and the restriction post is located at the inside of guide groove And contacted with the internal groove side wall of guide groove.
By above-mentioned technical proposal, by guide groove and the cooperation for limiting post, guiding is played to the transverse shifting of loop bar Effect so that loop bar is merely able to enter line slip along the length direction and horizontal direction of guide groove, such loop bar is when mobile Time is not susceptible to rotate, and the abutting post being so connected on bearing outer ring is difficult to shift with bearing outer ring, to a certain extent It ensure that the bear vibration noise measured is more accurate.
It is preferred that, the main shaft is provided with reception hole, and direction of axis line and the master of reception hole on the end face of cylinder The direction of axis line of axle is overlapped, and the connecting pole for coordinating with reception hole is provided with the end face of the close main shaft of the mandrel, Screw is provided with the side wall of the main shaft, the screw is used for the inside that connecting pole is fixedly connected on to reception hole.
By above-mentioned technical proposal, the used mode connects for screw of mandrel is so needing test inner ring diameter different on main shaft Bearing when, it is only necessary to screw is screwed out, mandrel is then controlled towards away from the movement of main shaft side, until connecting pole and reception hole Depart from, then change the mandrel matched with bearing inner race, and the connecting pole of mandrel is embedded into the inside of accommodating groove, then use again Junction is fixed to the inside of reception hole by screw;The mandrel so set can adapt to inner ring bearing of different sizes, necessarily The suitability of bear vibration detector is improved in degree.
It is preferred that, slipping block is provided with the frame, the detection means sliding is connected on slipping block, the detection The stopper slid for limiting and detecting device is provided with device.
By above-mentioned technical proposal, detection means sliding is connected on slipping block, so larger in the outer ring size of bearing When, detection means can be controlled towards away from the lateral movement of main shaft one so that the spacing increase between detection means and main shaft, The detection means so set can be used in detecting the bearing that outer ring size is different, and bear vibration noise is improved to a certain extent The suitability of detector.
It is preferred that, the stopper is stud, and the stud is threadedly coupled with detection means and offseted with slipping block.
By above-mentioned technical proposal, when needing the position to detection means to be adjusted, stud is unscrewed so that Depart between stud and slipping block, then the position of detection means is adjusted, it is completed in the position adjustment of detection means Afterwards, by screwing up stud so that the end of stud offsets with slipping block, the frictional force between such slipping block and detection means increases, So that detection means is not susceptible to movement.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment, is mainly used for showing the contour structures of embodiment;
Fig. 2 is the elevational cross-sectional view of embodiment, is mainly used for showing the connection of embodiment each several part;
Fig. 3 is Fig. 2 A portions enlarged drawing;
Fig. 4 is Fig. 2 B portions enlarged drawing;
Fig. 5 is Fig. 2 C portions enlarged drawing;
Fig. 6 is the structural representation of fixture, is mainly used for the contour structures of display fixture.
Reference:1st, frame;2nd, main shaft;3rd, motor;4th, mandrel;5th, detection means;6th, cylinder;7th, component is abutted;8、 Connecting rod;9th, fitting;10th, connecting hole;11st, annular groove;12nd, connecting plate;13rd, post is abutted;14th, slippage slot;15th, drive mechanism; 16th, loop bar;17th, spring;18th, guide groove;19th, post is limited;20th, reception hole;21st, connecting pole;22nd, screw;23rd, slipping block;24、 Stopper;25th, stud;26th, power output shaft.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of bear vibration noise measuring instrument, as shown in Figure 1, Figure 2, Figure 4 shows, including frame 1, frame 1 are placed on the ground, Main shaft 2 is provided with frame 1, the length direction of main shaft 2 is parallel to the ground, frame 1 is internally provided with motor 3, motor 3 with it is main Axle 2 is connected and rotated for drive shaft 2, and main shaft 2 is provided with reception hole 20, and reception hole at the end face center of frame 1 20 are set with main shaft 2 in coaxial inner conductor, and reception hole 20 is internally provided with connecting pole 21, and the lateral wall and reception hole of connecting pole 21 20 madial wall laminating, connecting pole 21 is fixedly connected with mandrel 4 on the end face of main shaft 2, and mandrel 4 is in same with connecting pole 21 Axle center is set, and is provided with screw 22 on the side wall of main shaft 2, screw 22 through reception hole 20 madial wall and with the phase of connecting pole 21 Even, be provided with slipping block 23 on the side wall of frame 1, and the length direction of slipping block 23 is perpendicular to the ground, slipping block 23 it is transversal Face is shaped as isosceles trapezoid, sliding is connected with detection means 5 on slipping block 23, and detection means 5 is set on the side wall of frame 1 Be equipped with stopper 24, stopper 24 is stud 25, stud 25 be threaded on the side wall of detection means 5 and with the phase of slipping block 23 Support, cylinder 6 is provided with frame 1, the direction of axis line of the power output shaft 26 of cylinder 6 is parallel relative to ground and cylinder 6 Power output shaft 26 is relative with main shaft 2, and power output shaft 26 is provided with abutting component 7 on the end face of main shaft 2, abuts component 7 include connecting rod 8, and connecting rod 8 is set with power output shaft 26 with bearing in coaxial inner conductor, is provided with the side wall of connecting rod 8 Annular groove 11, annular groove 11 is internally provided with fitting 9, and the width of rebate of annular groove 11 is more than the width of fitting 9, fitting 9 Center is provided with the connecting hole 10 of circle, and interior diameter length of the diameter length more than annular groove 11 of connecting hole 10, so sets The abutting component 7 put can be moved when testing bearing together with bearing outer ring, shifting that will not be to bearing outer ring Movable property life influence so that the data tested out are more accurate.
As shown in Figure 1 and Figure 2, detection means 5 is sound transducer, and the inside of sound transducer has one to sound sensitive Condenser type Electret condenser microphone, sound wave vibrates the electret film in microphone, causes the change of electric capacity, and produces and correspond to therewith The small voltage of change, this voltage is subsequently converted into 0 ~ 5 volt of voltage, and can be shown by voltmeter, for anti- The size of bear vibration is answered, drive mechanism 15 includes bevel pinion and bevel gear wheel, drives bevel gear wheel by bevel pinion, greatly There is archimedean spiral groove at the back side of bevel gear, and abutting post 13 with three is meshed.
As shown in Fig. 3, Fig. 5, Fig. 6, fitting 9 includes connecting plate 12 and abuts post 13, and connecting plate 12 is connected to connection Bar 8 is on the end face of main shaft 2, and center and the center superposition of connecting rod 8 of connecting plate 12, and the cross sectional shape of connecting plate 12 is Equilateral triangle, connecting plate 12 is provided with three slippage slots 14 on the end face of main shaft 2, and one end of each slippage slot 14 is located at The end of connecting plate 12, and the other end of each slippage slot 14 all extends to the center of connecting plate 12, slippage slot 14 it is transversal Face is T-shaped, and the number for abutting post 13 is three, and abuts the inside that the sliding of post 13 is connected to slippage slot 14, and it is circle to abut post 13 Cylindricality, and abut post 13 and set perpendicular to the end face of connecting plate 12, connecting plate 12 is internally provided with drive mechanism 15, driving machine Structure 15 is used to drive length direction of the abutting post 13 along slippage slot 14 to enter line slip.
As shown in Fig. 4, Fig. 5, Fig. 6, the power output shaft 26 of cylinder 6 is additionally provided with loop bar 16 between component 7 with abutting, and covers One end of bar 16 is socketed on the power output shaft 26 of cylinder 6, and loop bar 16 can along power output shaft 26 length direction I.e. horizontal direction is moved, and the other end of loop bar 16 is connected with connecting pole 21, and connecting pole 21 is located at loop bar 16 close to main shaft 2 Spring 17 is connected with the center of end face, the bottom centre of loop bar 16, the other end of spring 17 is connected to power output shaft 26 At the end face center of main shaft 2, guide groove 18, axial direction side of the guide groove 18 along loop bar 16 are provided with the side wall of loop bar 16 To setting, restriction post 19 is provided with the side wall of the power output shaft 26 of cylinder 6, footpath of the post 19 along power output shaft 26 is limited Set to direction, limit the inside that post 19 is located at guide groove 18, and the internal groove side wall of the lateral wall and guide groove 18 of restriction post 19 connects Touch.
The specifically used process of bear vibration noise measuring instrument is as follows:Need to use bear vibration noise measuring instrument when Wait, first unscrew the stud 25 in detection means 5 so that stud 25 is separated with the lateral wall of slipping block 23, then according to axle Detection means 5 is slid onto corresponding position by the size of bearing outer-ring so that detection means 5 can clearly detect bear vibration The noise sent, then tightens stud 25 so that stud 25 is abutted with the lateral wall of slipping block 23, now due to stud 25 Restriction effect, detection means 5 is not susceptible to sliding;Then the screw 22 on the side wall of main shaft 2 is unscrewed, by the mandrel 4 on main shaft 2 Take out, then according to the corresponding mandrel 4 of inner ring size selection of bearing to be measured, and the connecting pole 21 on mandrel 4 is embedded into receipts Receive the inside of groove, then screw screw 22 so that screw 22 is connected with connecting pole 21, now the position of mandrel 4 is fixed;Then The position for abutting post 13 inside slippage slot 14 is adjusted by drive mechanism 15 so that abut the outer ring phase that post 13 can be with bearing Support;Then control cylinder 6 is opened and drives abutting post 13 to be moved towards the side of main shaft 2, until abutting the outer ring of post 13 and bearing Abut, then open the drive shaft 2 of motor 3 and rotate.Rotated, now opened by the inner ring of the rotational band dynamic bearing of main shaft 2 Begin to detect the vibrating noise of bearing.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model Enclose, protection domain of the present utility model is determined by appended claim.

Claims (8)

1. a kind of bear vibration noise measuring instrument, including frame (1), be arranged in frame (1) main shaft (2), be arranged on frame (1) motor (3) that is internal and being rotated for drive shaft (2), be connected and be used for the mandrel for being socketed bearing inner race with main shaft (2) (4), be arranged in frame (1) and for detect bearing noise detection means (5), be arranged in frame (1) cylinder (6), It is arranged on the power output shaft of cylinder (6) (26) and is located at for abutting the abutting component of the bearing outer ring on mandrel (4) (7), it is characterized in that:The component (7) that abuts includes being arranged on power output shaft (26) at the end face center of main shaft (2) The company of being provided through at connecting rod (8), the fitting (9) for being abutted with bearing outer ring end face, the axle center of the fitting (9) Hole (10) is connect, the connecting rod (8) is provided with the annular groove (11) for placing fitting (9) on the side wall of main shaft (2), even The diameter length for connecing hole (10) is more than the interior diameter length of annular groove (11).
2. bear vibration noise measuring instrument according to claim 1, it is characterized in that:The fitting (9) includes being connected to Connecting plate (12) of the connecting rod (8) on the end face of main shaft (2), connecting plate (12) is arranged on main shaft (2) end face Post (13) is abutted, the abutting post (13) is used to offset with bearing outer ring.
3. bear vibration noise measuring instrument according to claim 2, it is characterized in that:The connecting plate (12) is close to main shaft (2) slippage slot (14) is provided with end face, it is described to abut the inside that post (13) sliding is connected to slippage slot (14), the connection Being internally provided with for plate (12) abuts post (13) along the mobile drive mechanism (15) of slippage slot (14) for driving.
4. bear vibration noise measuring instrument according to claim 1, it is characterized in that:Also include loop bar (16), the loop bar (16) one end be set in cylinder (6) power output shaft (26) close to main shaft (2) end face on, the other end of loop bar (16) with Connecting rod (8) is connected, and the loop bar (16) is internally provided with spring (17), and spring (17) is away from one end of main shaft (2) and gas The power output shaft (26) of cylinder (6) is connected.
5. bear vibration noise measuring instrument according to claim 4, it is characterized in that:Set on the side wall of the loop bar (16) Have guide groove (18), the length direction of the guide groove (18) is identical with the length direction of loop bar (16), the cylinder (6) it is dynamic Be threaded with the side wall of power output shaft (26) restriction post (19), it is described limit post (19) be located at guide groove (18) inside and Contacted with the internal groove side wall of guide groove (18).
6. bear vibration noise measuring instrument according to claim 1, it is characterized in that:The main shaft (2) is close to cylinder (6) Reception hole (20) is provided with end face, and the direction of axis line of reception hole (20) is overlapped with the direction of axis line of main shaft (2), it is described It is provided with the end face of the close main shaft (2) of mandrel (4) for the connecting pole (21) internal with being embedded into reception hole (20), it is described Screw (22) is provided with the side wall of main shaft (2), the screw (22) is used to connecting pole (21) being fixedly connected on reception hole (20) inside.
7. bear vibration noise measuring instrument according to claim 1, it is characterized in that:Longitudinal direction is provided with the frame (1) Slipping block (23), the detection means (5) sliding is connected on slipping block (23), and use is provided with the detection means (5) The stopper (24) slid in limiting and detecting device (5).
8. bear vibration noise measuring instrument according to claim 7, it is characterized in that:The stopper (24) is stud (25), the stud (25) is threadedly coupled with detection means (5) and offseted with slipping block (23).
CN201720187790.8U 2017-02-28 2017-02-28 Bear vibration noise measuring instrument Expired - Fee Related CN206601236U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720187790.8U CN206601236U (en) 2017-02-28 2017-02-28 Bear vibration noise measuring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720187790.8U CN206601236U (en) 2017-02-28 2017-02-28 Bear vibration noise measuring instrument

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CN206601236U true CN206601236U (en) 2017-10-31

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107884191A (en) * 2017-11-01 2018-04-06 慈兴集团有限公司 A kind of bearing low-temperature sound testing machine
CN108375471A (en) * 2018-01-24 2018-08-07 宁波达克轴承有限公司 A kind of vialog
CN110133427A (en) * 2019-06-19 2019-08-16 常德烟草机械有限责任公司 A kind of lithium battery electric core short-circuit detecting device
CN111207925A (en) * 2020-01-15 2020-05-29 江西宏伟轴承有限公司 High-precision bearing noise detection device
CN112857799A (en) * 2021-02-25 2021-05-28 湖南省水利投地方电力有限公司 Pumped storage unit shafting vibration acquisition equipment
CN117309400A (en) * 2023-11-28 2023-12-29 大连瑞丰中轴科技发展有限公司 Bearing vibration detection equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107884191A (en) * 2017-11-01 2018-04-06 慈兴集团有限公司 A kind of bearing low-temperature sound testing machine
CN108375471A (en) * 2018-01-24 2018-08-07 宁波达克轴承有限公司 A kind of vialog
CN110133427A (en) * 2019-06-19 2019-08-16 常德烟草机械有限责任公司 A kind of lithium battery electric core short-circuit detecting device
CN111207925A (en) * 2020-01-15 2020-05-29 江西宏伟轴承有限公司 High-precision bearing noise detection device
CN111207925B (en) * 2020-01-15 2021-12-07 江西宏伟轴承有限公司 High-precision bearing noise detection device
CN112857799A (en) * 2021-02-25 2021-05-28 湖南省水利投地方电力有限公司 Pumped storage unit shafting vibration acquisition equipment
CN112857799B (en) * 2021-02-25 2023-04-14 湖南省水利投地方电力有限公司 Pumped storage unit shafting vibration acquisition equipment
CN117309400A (en) * 2023-11-28 2023-12-29 大连瑞丰中轴科技发展有限公司 Bearing vibration detection equipment
CN117309400B (en) * 2023-11-28 2024-03-15 大连瑞丰中轴科技发展有限公司 Bearing vibration detection equipment

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