CN107884191A - A kind of bearing low-temperature sound testing machine - Google Patents
A kind of bearing low-temperature sound testing machine Download PDFInfo
- Publication number
- CN107884191A CN107884191A CN201711060219.0A CN201711060219A CN107884191A CN 107884191 A CN107884191 A CN 107884191A CN 201711060219 A CN201711060219 A CN 201711060219A CN 107884191 A CN107884191 A CN 107884191A
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- Prior art keywords
- electro spindle
- bearing
- test
- sound
- board
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of bearing low-temperature sound testing machine, including board, the test-bed being slidably mounted on board, it is provided with to hold up the bracket of test bearing outer ring on test-bed, one end of power transmission shaft is installing the inner ring of test bearing, the other end is coupled with electro spindle, electro spindle is suspended in electric spindle support by hang, and electric spindle support is arranged on board；Sound transducer is arranged on test-bed, and industrial computer is arranged on board, and sound collection is positioned in industrial computer, and the data acquisition end of sound collection card is connected with sound transducer signal, and the signal output part of sound collection card and the control chip of industrial computer connect.The electro spindle of the present invention is hung by hang, prevent the sharp pounding caused by rigidly fixing from producing noise, interference when other noises work the present invention is effectively prevented, the degree of accuracy of test data is greatly improved, ensure that the reliability of bearing finished products quality.
Description
Technical field
The present invention relates to Bearing testing frock field, more particularly to a kind of bearing low-temperature sound testing machine.
Background technology
Bearing is a kind of very important parts in contemporary plant equipment, in modern industry is made as driving parts
With it mainly plays part that is fixed and reducing load coefficient of friction in mechanical transmission course.Bearing in actual applications
It can produce certain noise when being used cooperatively with axle, and for needing Jing Yin production occasion, to individual machine in its production process
The noise of accessory has strict demand, so with regard to needing to carry out noise measuring to the bearing finished products that manufacture is completed, to ensure matter
Amount, meet the requirement of equipment, while enough data supports can also be provided to improve the production technology of bearing.
The present inventor is had found in actual survey after a variety of automatically or semi-automatically bearing noise testing machines on the market were used
During trying low temperature noise, traditional bearing noise testing machine itself can make a noise and interfere with bearing noise testing result,
So that there is error in result.
Present bearing technology is increasingly mature, and each large enterprises also increasingly pay attention to the quality of bearing, wherein low temperature noise this
One index is to reflect an important indicator of bearing quality.For this applicant carried out beneficial exploration and trial, have found
Result of the above problems, scheme described below are caused by under this background.
The content of the invention
The technical problems to be solved by the invention are for existing bearing noise testing machine in test low temperature noise
During testing machine can produce noise jamming in itself and provide a kind of bearing low-temperature noise test to the test result of bearing noise
Machine.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of bearing low-temperature sound testing machine, including：
One board, line slideway assembly is installed on the table top of the board；
The experiment table top being slidably mounted on the line slideway assembly；
Test-bed on the experiment table top, is provided with to hold up test bearing on the test-bed
The bracket of outer ring；
One power transmission shaft, the first end of the power transmission shaft is installing the inner ring of test bearing；
One is arranged on the electric spindle support on the board table top, has an inner chamber in the electric spindle support,
One electro spindle, the first end of the electro spindle are connected with the second end of the power transmission shaft by shaft coupling frock；It is described
Second end of electro spindle extends into the inner chamber of the electric spindle support and axle is located on a bearing, and the bearings are in an electricity
On main shaft hoop, the electro spindle hoop is suspended in the inner chamber of the electric spindle support by some electro spindle pulling force assemblies；
One is arranged on the sound transducer on the test-bed；
One sound collection card and an industrial computer, the industrial computer are arranged on the table top of the board, the sound collection
It is positioned in the industrial computer, the data acquisition end of the sound collection card is connected with the sound transducer signal, the sound
The signal output part of sound capture card is connected with the control chip of the industrial computer.
In a preferred embodiment of the invention, the electro spindle mounting bracket is by electro spindle bearing and electro spindle branch lid
Combine, wherein the electro spindle bearing is arranged on the table top of the board, the electro spindle branch lid is arranged on the electricity
On spindle bearing.
In a preferred embodiment of the invention, each electro spindle pulling force assembly includes spring pull head and tension spring,
The spring pull head is fixed in the electric spindle support, and one end of the tension spring is hooked on the spring pull head, pulling force
The other end of spring is hooked on the electro spindle hoop.
In a preferred embodiment of the invention, suspension ring are provided with what the electro spindle branch covered, in order to lift.
In a preferred embodiment of the invention, the electro spindle is driven by the motor, and the motor is arranged on institute
State on the table top of board.
In a preferred embodiment of the invention, the sound transducer is arranged on the testing stand by Magnetic gauge stand
On frame.
As a result of technical scheme as above, the beneficial effects of the present invention are：
1st, electro spindle is fixed by electro spindle hoop and then is hanged electro spindle by the electro spindle pulling force assembly in electric spindle support
Sky is fixed, prevents the sharp pounding of each machine part of the present invention caused by rigidly fixing from producing noise, is effectively prevented
Interference when other noises work the present invention, greatly improves the degree of accuracy of test data, ensure that bearing finished products quality
Reliability.
2nd, by adjusting the tension spring in electro spindle pulling force assembly and locking electro spindle pulling force assembly, electric master can be balanced
Axle, reduce the vibration of motor operation as far as possible.
3rd, by line slideway assembly can be between Adjustment Tests stand and electro spindle position and adjustment bracket trying
The position tested on stand, to be adapted to various bearings to be tested.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of bearing low-temperature sound testing machine of the present invention.
Fig. 2 is the front view of bearing low-temperature sound testing machine of the present invention.
Fig. 3 is Fig. 2 top view.
Fig. 4 is Fig. 2 left view.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, enter below
One step illustrates the present invention.
A kind of bearing low-temperature sound testing machine as shown in Figures 1 to 4, including board 100, in 100 table top of board
It is above parallel that a pair of line slideway assemblies 110 are installed, an experiment table top is slidably fitted with a pair of line slideway assemblies 110
210, a test-bed 220 is provided with by fastener on experiment table top 210, is provided with to hold in the palm on test-bed 220
Play the bracket 230 of the outer ring of test bearing 300.Position between test-bed 220 and experiment table top 210 relative can adjust, support
Position between frame 230 and test-bed 220 can also relative adjustment.
One end of the inner ring installation power transmission shaft 310 of test bearing 300, the other end of power transmission shaft 310 pass through shaft coupling frock 320
It is connected with one end of electro spindle 330.The other end axle of electro spindle 330 is located on the inner ring of one 6006 bearings 340,6006 bearings
Embraced by an electro spindle hoop 500 340 outer ring.
An electro spindle bearing 420 is provided with by fastener on the table top of board 100, led on electro spindle bearing 420
Cross fastener and one electro spindle branch lid 410 is installed.Electro spindle bearing 420 forms an electric spindle support with electro spindle branch lid 410
400, electric spindle support 400 is interior to have an inner chamber.Two suspension ring 411 are installed on electro spindle branch lid 410, in order to lift electricity
Main shaft branch lid 410.
Electro spindle hoop 500 is suspended in the inner chamber of electric spindle support 400 by 12 electro spindle pulling force assemblies 600, each
Electro spindle pulling force assembly 600 includes spring pull head 610 and tension spring 620, and spring pull head 610 is fixed on electro spindle bearing 420
On electro spindle branch lid 410, one end of tension spring 620 is hooked on spring pull head 610, and the other end of tension spring 620 hooks
On electro spindle hoop 500.By adjusting the tension spring 620 in electro spindle pulling force assembly 600 and locking electro spindle pulling force assembly
600, electro spindle 330 can be balanced, reduces the vibration of motor operation as far as possible
Electro spindle 330 can be matched with three kinds of motors and driven by motor (not shown), and motor is arranged on board 100
Table top on.
Sound transducer (not shown) is arranged on test-bed 220 by Magnetic gauge stand (not shown).
Industrial computer (not shown) is arranged on the table top of board 100, and sound collection card (not shown) is located at work
In control machine, the data acquisition end of sound collection card is connected with sound transducer signal, the signal output part and work of sound collection card
The control chip connection of control machine.
Being fixed with the other end of a pair of line slide rail assemblies 110 prevents that testing table top 210 skids off line slideway assembly
110 envelope bar 111.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
- A kind of 1. bearing low-temperature sound testing machine, it is characterised in that including：One board, line slideway assembly is installed on the table top of the board；The experiment table top being slidably mounted on the line slideway assembly；Test-bed on the experiment table top, is provided with to hold up test bearing outer ring on the test-bed Bracket；One power transmission shaft, the first end of the power transmission shaft is installing the inner ring of test bearing；One is arranged on the electric spindle support on the board table top, has an inner chamber in the electric spindle support,One electro spindle, the first end of the electro spindle are connected with the second end of the power transmission shaft by shaft coupling frock；The electricity is main Second end of axle extends into the inner chamber of the electric spindle support and axle is located on a bearing, and the bearings are in an electro spindle On hoop, the electro spindle hoop is suspended in the inner chamber of the electric spindle support by some electro spindle pulling force assemblies；One is arranged on the sound transducer on the test-bed；One sound collection card and an industrial computer, the industrial computer are arranged on the table top of the board, the sound collection screens In in the industrial computer, the data acquisition end of the sound collection card is connected with the sound transducer signal, and the sound is adopted The signal output part of truck is connected with the control chip of the industrial computer.
- A kind of 2. bearing low-temperature sound testing machine as claimed in claim 1, it is characterised in that the electro spindle mounting bracket by Electro spindle bearing and electro spindle branch lid combine, wherein the electro spindle bearing is arranged on the table top of the board, it is described Electro spindle branch lid is arranged on the electro spindle bearing.
- 3. a kind of bearing low-temperature sound testing machine as claimed in claim 2, it is characterised in that covered in the electro spindle branch Suspension ring are provided with, in order to lift.
- A kind of 4. bearing low-temperature sound testing machine as claimed in claim 1, it is characterised in that each electro spindle pulling force assembly bag Spring pull head and tension spring are included, the spring pull head is fixed in the electric spindle support, and one end of the tension spring hooks On the spring pull head, the other end of tension spring is hooked on the electro spindle hoop.
- 5. a kind of bearing low-temperature sound testing machine as claimed in claim 1, it is characterised in that the electro spindle is by the motor Driving, the motor are arranged on the table top of the board.
- 6. a kind of bearing low-temperature sound testing machine as claimed in claim 1, it is characterised in that the sound transducer passes through magnetic Property gauge stand be arranged on the test-bed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060219.0A CN107884191A (en) | 2017-11-01 | 2017-11-01 | A kind of bearing low-temperature sound testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060219.0A CN107884191A (en) | 2017-11-01 | 2017-11-01 | A kind of bearing low-temperature sound testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107884191A true CN107884191A (en) | 2018-04-06 |
Family
ID=61783438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711060219.0A Pending CN107884191A (en) | 2017-11-01 | 2017-11-01 | A kind of bearing low-temperature sound testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107884191A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542556A (en) * | 2019-10-09 | 2019-12-06 | 浙江申发轴瓦股份有限公司 | Tilting pad sliding bearing test box, test bench and test method |
| CN111207925A (en) * | 2020-01-15 | 2020-05-29 | 江西宏伟轴承有限公司 | High-precision bearing noise detection device |
| CN115144070A (en) * | 2022-09-01 | 2022-10-04 | 万向钱潮股份公司 | Detection box, noise detection system and noise detection method thereof |
Citations (8)
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|---|---|---|---|---|
| CN101476934A (en) * | 2008-12-26 | 2009-07-08 | 洛阳轴研科技股份有限公司 | Bearing noise testing method without special requirements to testing environment |
| CN103592126A (en) * | 2013-10-30 | 2014-02-19 | 宁波市镇海银球轴承有限公司 | Device and method for testing noise of bearing of automobile tensioning wheel |
| CN204030796U (en) * | 2014-08-11 | 2014-12-17 | 郑修志 | A kind of damping type motor cabinet |
| US20150219526A1 (en) * | 2012-04-13 | 2015-08-06 | Raffaele Montagnoni | Method and apparatus for measurement of the noisiness of a rolling bearing, in particular of a wheel hub bearing unit |
| CN105865786A (en) * | 2016-04-04 | 2016-08-17 | 上海大学 | Pulling and pressing oil film noise measurement testing machine |
| CN106441550A (en) * | 2016-09-13 | 2017-02-22 | 安徽工程大学 | Bearing vibration signal acquisition device |
| CN206601236U (en) * | 2017-02-28 | 2017-10-31 | 温岭市巨星钢球有限公司 | Bear vibration noise measuring instrument |
| CN207623009U (en) * | 2017-11-01 | 2018-07-17 | 慈兴集团有限公司 | A kind of bearing low-temperature sound testing machine |
-
2017
- 2017-11-01 CN CN201711060219.0A patent/CN107884191A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476934A (en) * | 2008-12-26 | 2009-07-08 | 洛阳轴研科技股份有限公司 | Bearing noise testing method without special requirements to testing environment |
| US20150219526A1 (en) * | 2012-04-13 | 2015-08-06 | Raffaele Montagnoni | Method and apparatus for measurement of the noisiness of a rolling bearing, in particular of a wheel hub bearing unit |
| CN103592126A (en) * | 2013-10-30 | 2014-02-19 | 宁波市镇海银球轴承有限公司 | Device and method for testing noise of bearing of automobile tensioning wheel |
| CN204030796U (en) * | 2014-08-11 | 2014-12-17 | 郑修志 | A kind of damping type motor cabinet |
| CN105865786A (en) * | 2016-04-04 | 2016-08-17 | 上海大学 | Pulling and pressing oil film noise measurement testing machine |
| CN106441550A (en) * | 2016-09-13 | 2017-02-22 | 安徽工程大学 | Bearing vibration signal acquisition device |
| CN206601236U (en) * | 2017-02-28 | 2017-10-31 | 温岭市巨星钢球有限公司 | Bear vibration noise measuring instrument |
| CN207623009U (en) * | 2017-11-01 | 2018-07-17 | 慈兴集团有限公司 | A kind of bearing low-temperature sound testing machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542556A (en) * | 2019-10-09 | 2019-12-06 | 浙江申发轴瓦股份有限公司 | Tilting pad sliding bearing test box, test bench and test method |
| 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 |
| CN115144070A (en) * | 2022-09-01 | 2022-10-04 | 万向钱潮股份公司 | Detection box, noise detection system and noise detection method thereof |
| CN115144070B (en) * | 2022-09-01 | 2022-12-06 | 万向钱潮股份公司 | Detection box, noise detection system and noise detection method thereof |
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