CN209513265U - A kind of bearing running noises measuring instrument - Google Patents
A kind of bearing running noises measuring instrument Download PDFInfo
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- CN209513265U CN209513265U CN201920436892.8U CN201920436892U CN209513265U CN 209513265 U CN209513265 U CN 209513265U CN 201920436892 U CN201920436892 U CN 201920436892U CN 209513265 U CN209513265 U CN 209513265U
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- Prior art keywords
- fixing seat
- ring fixing
- bearing
- measuring instrument
- chamber
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- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000011358 absorbing material Substances 0.000 claims description 3
- 239000012814 acoustic material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a kind of bearing measuring devices, specifically disclose a kind of bearing running noises measuring instrument.The bearing running noises measuring instrument includes test unit and closed chamber, the test unit includes the outer ring fixing seat and inner ring fixing seat of split settings, the outer ring fixing seat is equipped with axial installation through-hole, the inner ring fixing seat protrudes into installation through-hole, and bearing installation space is formed between the fixing seat of outer ring；The clamping device for matching and be used to clamp outer ring fixing seat with outer ring fixing seat is equipped in the chamber；It further include driving unit, the driving unit is arranged outside chamber, and the output end of the driving unit is connect with inner ring fixing seat, and inner ring fixing seat is driven to rotate relative to outer ring fixing seat；Noise measurement unit is additionally provided in the chamber.Above-described bearing running noises measuring instrument, simulates the operating condition of bearing, and provides the space of autonomous closure, improves the accuracy of measurement.
Description
Technical field
The utility model relates to a kind of bearing detecting devices, and in particular to a kind of bearing running noises measuring instrument.
Background technique
The running noises of bearing directly influence the experience sense of user by especially household electrical appliance class bearing.Due to noise
Anechoic room needed for measurement involves great expense, and to general bearing manufacturing enterprise, especially middle-size and small-size Large-scale enterprises cannot achieve production
On-site test, old friends generally control the noise of bearing using vibration measurement, but the vibration of bearing is not fully equal to axis
The noise held, especially under different operating conditions, old friends there is an urgent need to a kind of cost be not it is very high, production scene can be used for
The equipment of noise measuring, in favor of the detection of Household appliances bearing noise.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of bearing running noises measuring instruments, simulate the operation of bearing
Operating condition, and the space of autonomous closure is provided, in the running noises of Production of bearing on-site test bearing, improve the accuracy of measurement.
In order to solve the above-mentioned technical problem, a kind of the technical scheme that the utility model is provided is as follows: bearing running noises survey
Instrument is measured, including test unit and closed chamber, the test unit includes the outer ring fixing seat and inner ring of split settings
Fixing seat, the outer ring fixing seat are equipped with axial installation through-hole, and the inner ring fixing seat protrudes into installation through-hole, and with
Bearing installation space is formed between the fixing seat of outer ring；It is equipped in the chamber outside being matched with outer ring fixing seat and being used to clamp
Enclose the clamping device of fixing seat；It further include driving unit, the driving unit is arranged outside chamber, the driving unit
Output end is connect with inner ring fixing seat, and inner ring fixing seat is driven to rotate relative to outer ring fixing seat；In the chamber also
Equipped with noise measurement unit.
In test, bearing to be measured is assembled first with test unit, then makees test unit and bearing to be measured
For in integral installation to clamping device.The setting of test unit modularization, the assembly manipulation complete independently of test unit reduces
Assembly difficulty improves measurement efficiency.Chamber provides the working environment being isolated from the outside world, and reduces environment pair to the full extent
The influence of measurement result improves measurement accuracy.
Preferably, the noise measurement unit setting is surveyed on chamber side wall, and in the noise measurement unit
Measure unit towards angle and measurement apart from adjustable, to adapt to the measurement demand of different user, to reach optimal measurement
Effect.
Preferably, the noise measurement unit is connect by metal hose with chamber, structure is simple, adjusting side
Just.
Preferably, being filled with acoustic material in the tank wall of the chamber, extraneous environmental noise is reduced to testing result
Influence, and be equipped with sound-absorbing material in the inner wall of the chamber, reduce sound reflection in case, reduce what sound superposition generated
Reverberation.
Preferably, the clamping device is scroll chuck, test unit is convenient for mounting and clamping, can also be by replacing different rule
The test unit of lattice realizes the test of different sizes or types of bearings, and applicable bearing range is wide, and test unit and driving unit
Between centering effect it is good.
Preferably, the noise measurement unit is sound level meter.
Preferably, the inner ring fixing seat includes drive section, positioning section and the construction section for installing bearing inner race, institute
The diameter for stating construction section is less than the diameter of positioning section, and forms positioning step in the transition position of positioning section and construction section；Construction section
It is arranged with stripping ring outside, the stripping ring is arranged in bearing installation space, and the outer diameter of the stripping ring is greater than positioning section
Diameter.
Preferably, being connected between the output end and inner ring fixing seat of the driving device by shaft coupling；The inner ring
The driving end of fixing seat is equipped with the trundle being arranged perpendicular to inner ring fixing seat axis, and the shaft coupling is equipped with and trundle
Corresponding fluting.It is convenient for disassembly and assembly between test unit and clamping device and driving unit.
Preferably, the outer ring fixing seat includes the pedestal equipped with installation through-hole, and the compression being arranged in outside pedestal
Circle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment bearing running noises measuring instrument；
Fig. 2 is the scheme of installation of test unit in the present embodiment bearing running noises measuring instrument；
Fig. 3 is the structure chart of test unit in the present embodiment bearing running noises measuring instrument；
Fig. 4 is the explosive view of test unit in the present embodiment bearing running noises measuring instrument.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment
As shown in figures 1 and 3, a kind of bearing running noises measuring instrument, including test unit 4 and closed chamber 1, institute
It states filled with acoustic material in the tank wall of chamber 1, the inner wall of the chamber 1 is equipped with sound-absorbing material, reduces outside noise
Influence to measurement result, and the reflection of sound in case is reduced, reduce the reverberation that sound superposition generates.The test unit 4
Outer ring fixing seat 42 and inner ring fixing seat 43 including split settings, it is logical that the outer ring fixing seat 42 is equipped with axial installation
Hole, the inner ring fixing seat 43 protrude into installation through-hole, and bearing installation space is formed between outer ring fixing seat 42.
As shown in figure 4, the inner ring fixing seat 43 is including drive section 433, positioning section 432 and for installing bearing inner race
Construction section 431, the diameter of the construction section 431 are less than the diameter of positioning section 432, and in the mistake of positioning section 432 and construction section 431
The place of crossing forms positioning step；Stripping ring 41 is arranged with outside construction section 431, the stripping ring 41 is arranged in bearing installation space
It is interior, and the outer diameter of the stripping ring 41 is greater than the diameter of positioning section 432.The outer ring fixing seat 42 includes being equipped with installation through-hole
Pedestal 421, and the compacting ring 422 being arranged in outside pedestal 421.
As depicted in figs. 1 and 2, it is equipped in the chamber 1 and matches with outer ring fixing seat 42 and consolidate for clamping outer ring
The clamping device 5 of reservation 42；The clamping device 5 is scroll chuck, and test unit 4 is convenient for mounting and clamping, can also be by replacing not
The test unit of same specification realizes the test of different sizes or types of bearings, and applicable bearing range is wide, and test unit 4 and driving
Centering effect between unit 3 is good.
It as depicted in figs. 1 and 2, further include driving unit 3, the driving unit 3 is arranged outside chamber 1, the drive
The output end of moving cell 3 is connect with inner ring fixing seat 43, and inner ring fixing seat 43 is driven to rotate relative to outer ring fixing seat 42；Institute
It states and is connected between the output end of driving device and inner ring fixing seat 43 by shaft coupling 6；The driving end of the inner ring fixing seat 43
Equipped with the trundle being arranged perpendicular to 43 axis of inner ring fixing seat, the shaft coupling 6 is equipped with fluting corresponding with trundle.
It is convenient for disassembly and assembly between test unit 4 and clamping device 5 and driving unit 3.
As shown in Figure 1, being additionally provided with noise measurement unit 21 in the chamber 1, the noise measurement unit 21 is logical
Metal hose 22 is crossed to be arranged on 1 side wall of chamber, measuring unit 21 towards angle and measurement apart from adjustable, to adapt to
The measurement demand of different user, to adapt to the bearing to be measured of different model, to reach optimal measurement effect.The noise is surveyed
Measuring unit 21 is preferably sound level meter.
In test, bearing 7 to be measured is assembled with test unit 4 first, then by test unit 4 and bearing to be measured
7 install as a whole to clamping device 5.The setting of 4 modularization of test unit, by the assembly manipulation complete independently of test unit 4,
Assembly difficulty is reduced, measurement efficiency is improved.Chamber 1 provides the working environment being isolated from the outside world, and subtracts to the full extent
Influence of the subenvironment to measurement result improves measurement accuracy.
Above-described bearing running noises measuring instrument, simulates the operating condition of bearing, and provides the space of autonomous closure,
Improve the accuracy of measurement.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Any modifications, equivalent replacements, and improvements made within spirit of the present utility model and principle etc. should be included in practical
Within novel protection scope.
Claims (9)
1. a kind of bearing running noises measuring instrument, it is characterised in that: described including test unit (4) and closed chamber (1)
Test unit (4) include split settings outer ring fixing seat (42) and inner ring fixing seat (43), the outer ring fixing seat
(42) be equipped with axial installation through-hole, the inner ring fixing seat (43) protrudes into installation through-hole, and with outer ring fixing seat (42)
Between formed bearing installation space；It is equipped with and is matched with outer ring fixing seat (42) and for clamping outer ring in the chamber (1)
The clamping device (5) of fixing seat (42)；Further include driving unit (3), the driving unit (3) setting chamber (1) outside,
The output end of the driving unit (3) is connect with inner ring fixing seat (43), and drives inner ring fixing seat (43) solid relative to outer ring
Reservation (42) rotation；Noise measurement unit (21) are additionally provided in the chamber (1).
2. bearing running noises measuring instrument according to claim 1, it is characterised in that: the noise measurement unit (21)
Be arranged on chamber (1) side wall, and in the noise measurement unit (21) measuring unit it is adjustable towards angle.
3. bearing running noises measuring instrument according to claim 2, it is characterised in that: the noise measurement unit (21)
It is connect by metal hose (22) with chamber (1).
4. bearing running noises measuring instrument according to claim 1, it is characterised in that: filling in the tank wall of the chamber
There is acoustic material, and is equipped with sound-absorbing material in the inner wall of the chamber (1).
5. bearing running noises measuring instrument according to claim 1, it is characterised in that: the clamping device (5) is three
Dog chuck.
6. bearing running noises measuring instrument according to claim 1, it is characterised in that: the noise measurement unit (21)
For sound level meter.
7. bearing running noises measuring instrument according to claim 1 to 6, it is characterised in that: the inner ring is fixed
Seat (43) includes drive section (433), positioning section (432) and the construction section (431) for installing bearing inner race, the construction section
(431) diameter is less than the diameter of positioning section (432), and is formed and positioned in the transition position of positioning section (432) and construction section (431)
Step；It is arranged with stripping ring (41) outside construction section (431), the stripping ring (41) is arranged in bearing installation space, and institute
The outer diameter for stating stripping ring (41) is greater than the diameter of positioning section (432).
8. bearing running noises measuring instrument according to claim 7, it is characterised in that: the output end of the driving unit with
It is connected between inner ring fixing seat (43) by shaft coupling (6)；The driving end of the inner ring fixing seat (43) is equipped with perpendicular to inner ring
The trundle of fixing seat (43) axis setting, the shaft coupling (6) are equipped with fluting corresponding with trundle.
9. bearing running noises measuring instrument according to claim 7, it is characterised in that: outer ring fixing seat (42) packet
The pedestal (421) equipped with installation through-hole is included, and the compacting ring (422) in pedestal (421) outside is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436892.8U CN209513265U (en) | 2019-04-02 | 2019-04-02 | A kind of bearing running noises measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920436892.8U CN209513265U (en) | 2019-04-02 | 2019-04-02 | A kind of bearing running noises measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209513265U true CN209513265U (en) | 2019-10-18 |
Family
ID=68188219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920436892.8U Active CN209513265U (en) | 2019-04-02 | 2019-04-02 | A kind of bearing running noises measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209513265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207925A (en) * | 2020-01-15 | 2020-05-29 | 江西宏伟轴承有限公司 | High-precision bearing noise detection device |
-
2019
- 2019-04-02 CN CN201920436892.8U patent/CN209513265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200708 Address after: 310051 1-4 / F, building 1, No. 125, miaohouwang Road, Binjiang District, Hangzhou City, Zhejiang Province Co-patentee after: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. Patentee after: Zhejiang mechanical and electrical product quality inspection Institute Co.,Ltd. Address before: 310051, No. 125, Queen Wang Road, Binjiang District temple, Zhejiang, Hangzhou Co-patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. Patentee before: ZHEJIANG TESTING & INSPECTION INSTITUTE FOR MECHANICAL AND ELECTRICAL PRODUCTS QUALITY |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240423 Address after: 310051 1-4 / F, building 1, 125 miaohouwang Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang mechanical and electrical product quality inspection Institute Co.,Ltd. Country or region after: China Address before: 310051 1-4 / F, building 1, 125 miaohouwang Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang mechanical and electrical product quality inspection Institute Co.,Ltd. Country or region before: China Patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. |