CN106556516A - A kind of BVT noise test chargers for eliminating resonance - Google Patents
A kind of BVT noise test chargers for eliminating resonance Download PDFInfo
- Publication number
- CN106556516A CN106556516A CN201611057387.XA CN201611057387A CN106556516A CN 106556516 A CN106556516 A CN 106556516A CN 201611057387 A CN201611057387 A CN 201611057387A CN 106556516 A CN106556516 A CN 106556516A
- Authority
- CN
- China
- Prior art keywords
- loading
- bvt
- chargers
- noise test
- cylinder
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of BVT noise test chargers for eliminating resonance, including base, also include drive mechanism and load maintainer, the drive mechanism is fixedly mounted on the base, and the load maintainer is the cylinder loading head of one and bearing face uniform contact；An indication mechanism is provided between the drive mechanism and load maintainer.The drive mechanism is a loading cylinder, and the loading cylinder includes a pair of loading thick sticks that a loading gas storehouse, a pair of slipper pistons being symmetricly set in the loading gas storehouse and the pair of slipper piston of drive are moved left and right.Loading head is set to cylindric by the present invention, can be brought into close contact with bearing face, be improve the accuracy of test result；Remove the spring in loading gas storehouse, eliminate because caused by spring produces resonance low-frequency range there is peak value to misjudge low frequency bad.
Description
Technical field
The present invention relates to a kind of noise measuring field, relates generally to a kind of BVT noise tests loading dress for eliminating resonance
Put, test especially for the vibrating noise of most of deep groove ball bearings, angular contact ball bearing and taper roll bearing.
Background technology
Bearing produces vibration due to contacting with each other between raceway and rolling element, colliding, when bearing in operation process
Vibration is delivered to radiating surface, and vibrational energy is converted into pressure wave, and Jing air dielectrics are blazed abroad again as acoustic radiation, wherein
20-20kHz is the acoustic radiation that human ear can be received, as Noise of Rolling Bearing.
Referring to Fig. 1 to Fig. 2, it is a kind of BVT vibration measurement instruments charger 100 of prior art in figure, including base
110, a charger 120 is installed with the base 110, the charger 120 includes loading gas storehouse 121, described
Loading 121 both ends of the surface of gas storehouse are each provided with a locking end cap 122, be provided with a trachea 123 and enter on described two locking end caps 122
Row connection；It is described loading gas storehouse 121 be internally provided with a driving spring 130, its left and right two ends be each provided with a loading thick stick 141,
142, right-hand member loading 142 right-hand member of thick stick is disposed with a graduated disc axle 150, one or three points of loading heads 160,3 points of loadings
160 is 120 ° each other of three different load(ing) points；Loading is provided between the scale dish axle 150 and 3 points of loading heads 160
Terminal pad 170,150 right of scale dish axle are provided with a scale slide block 180, the scale dish axle 150 and scale slide block 180
Between be provided with a loading spring 190.By the size for adjusting air pressure, load 140 driving spring 130 of thick stick to reach the mesh of loading
's.
Using the load mode of three different load(ing) points, may highly be differed due to three load(ing) points, bearing occurs
Small skew not just, causes bear vibration to test final result inaccurate.Meanwhile, even if the processing of bearing parts rolling surface
It is very good, cleannes and lubricant medium it is very perfect, but bearing is in the running, due to Elastic Contact structure between raceway and rolling element
Into vibration, add the vibration of spring itself, when measuring each time, a peak value at 30Hz, can all occur, this peak value holds
Easily misjudged is noise or abnormal sound that other factors are caused, is judged to substandard product.
The content of the invention
The technical problem to be solved is to provide a kind of end face loading head that arranges and causes loading ability of bearing uniform, removes
Spring eliminates resonance, improves the BVT noise test chargers of the eliminated resonance of the accuracy of bearing noise test.
The technical problem to be solved can adopt the following technical scheme that to realize：
A kind of BVT noise test chargers for eliminating resonance, it is characterised in that including base, also including driving machine
Structure and load maintainer, the drive mechanism are fixedly mounted on the base, and the load maintainer is one uniform with bearing face
The cylinder loading head of contact；An indication mechanism is provided between the drive mechanism and load maintainer.
In a preferred embodiment of the invention, the drive mechanism is a loading cylinder, and the loading cylinder includes
One loading gas storehouse, a pair of slipper pistons being symmetricly set in the loading gas storehouse and the pair of slipper piston of drive or so are moved
A pair of dynamic loading thick sticks.
In a preferred embodiment of the invention, the cylinder loading head side is provided with the regulation cylinder to add
The yielding rubber set of carrier head end face squareness.
In a preferred embodiment of the invention, the indication mechanism includes that a graduated disc axle and indicates bear vibration
The scale slide block of frequency.
In a preferred embodiment of the invention, the scale dish axle is connected by a copper sheathing with the scale slide block.
In a preferred embodiment of the invention, the loading gas storehouse both ends of the surface are each provided with a locking end cap, described
A trachea is provided with the two locking end lids in left and right to be attached.
In a preferred embodiment of the invention, adding by a round shape between the cylinder loading head and indication mechanism
Carry terminal pad connection.
The invention has the beneficial effects as follows：A kind of BVT noise test chargers for eliminating resonance, loading head is set to
It is cylindric, can be brought into close contact with bearing face, improve the accuracy of test result；The spring in loading gas storehouse is removed, is disappeared
Except caused by producing resonance because of spring low-frequency range there is peak value to misjudge low frequency bad.
Description of the drawings
Fig. 1 is a kind of structural representation of BVT vibration measurement instruments charger of prior art；
Fig. 2 is a kind of sectional view of BVT vibration measurement instruments charger of prior art；
Fig. 3 is a kind of structural representation of the BVT noise test chargers for eliminating resonance of the present invention；
Fig. 4 is a kind of sectional view of the BVT noise test chargers for eliminating resonance of the present invention；
Fig. 5 is the enlarged drawing in a kind of Fig. 4 for the BVT noise test chargers for eliminating resonance of the present invention at A.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to Fig. 3 to Fig. 5, what is be given in figure is a kind of BVT noise tests charger 200 for eliminating resonance, including
Base 210, is installed with a drive mechanism 220 on base 210；Drive mechanism 220 is a loading cylinder, loads cylinder bag
Include a loading gas storehouse 221, a pair that a pair of slipper pistons 222 of a pair of slipper pistons 222 and drive are moved left and right and load thick sticks 223.
Invention removes the spring in loading gas storehouse 221, is replaced using slipper piston 222, prevent from making low frequency because spring produces resonance
There is peak value in section, and finally misjudgement is bad for low frequency.
Slipper piston 222 is symmetrical set in loading 221 inner chamber of gas storehouse, forms a closing space between the two；Favorably
Testing efficiency is improved in loading is preferably carried out to bearing outer ring so that the present invention is brought into close contact with measured bearing.Left loading thick stick
Length of the length of 223a more than right loading thick stick 223b, loading 221 both ends of the surface of gas storehouse are each provided with a locking end cap 224, left and right
A trachea 225 is provided with two locking end caps 224 to be attached.
220 right of drive mechanism is disposed with an indication mechanism 230 and a load maintainer 240, indication mechanism 230 and drive
The short loading thick stick 223b of 220 right-hand member of motivation structure is fixedly connected with screw thread cooperation by a nut.Indication mechanism 230 includes a scale
The scale slide block 232 of dish axle 231 and an instruction bear vibration frequency, when by test bear vibration, frequency of vibration can make loading
Mechanism 240 is moved to the left, and drives scale slide block 232, and the graduation mark pointed to according to scale slide block 232 carries out reading；Graduated disc
Axle 231 is connected by a copper sheathing 233 with scale slide block 232, and the spring connection of load maintainer 240 is changed to 233 slide block of copper sheathing
Formula connects, and eliminates because spring produces resonance that to misjudge low frequency so as to peak value occurs in caused low-frequency range bad.
Load maintainer 240 is the cylinder loading head 241 of one and bearing face uniform contact, and loading head is set to round shape end
Face, is contacted with the whole cycle surface of bearing by 241 end face of cylinder loading head, adjusts loading size, bearing needed for air pressure reaches
Carry uniform, improve the accuracy of test result.241 side of cylinder loading head is provided with a regulation cylinder loading head 241
The yielding rubber set 242 of end face squareness, safe 406 glue of faying face pleasure, water, priming paint 706 are bonded；Yielding rubber set 242 has
Very high elasticity, it is possible to reduce the instantaneous impact of steel material and steel material transmission and cause bearing, vibrating sensor
Failure.Cylinder loading head 241 is connected with indication mechanism 230 by the loading terminal pad 243 of a round shape, in loading terminal pad 243
A ring flange 244 is provided between cylinder loading head 241, the steadiness of load maintainer 240 is strengthened, survey is further increased
The accuracy rate of test result.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, of the invention without departing from the spirit and scope of the present invention also to have various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention is by appending claims and together
Define Deng thing.
Claims (7)
1. a kind of BVT noise test chargers for eliminating resonance, it is characterised in that including base, also including drive mechanism
And load maintainer, the drive mechanism is fixedly mounted on the base, and the load maintainer is uniformly connect with bearing face for one
Tactile cylinder loading head；An indication mechanism is provided between the drive mechanism and load maintainer.
2. a kind of BVT noise test chargers for eliminating resonance as claimed in claim 1, it is characterised in that the drive
Motivation structure is a loading cylinder, and the loading cylinder includes a loading gas storehouse, is symmetricly set on a pair loaded in gas storehouse
A pair of loading thick sticks that slipper piston and the pair of slipper piston of drive are moved left and right.
3. a kind of BVT noise test chargers for eliminating resonance as claimed in claim 1, it is characterised in that described
Cylinder loading head side is provided with the yielding rubber set of the regulation cylinder loading head end face squareness.
4. a kind of BVT noise test chargers for eliminating resonance as claimed in claim 1, it is characterised in that described aobvious
Show that mechanism includes that a graduated disc axle and indicates the scale slide block of bear vibration frequency.
5. a kind of BVT noise test chargers for eliminating resonance as claimed in claim 4, it is characterised in that the quarter
Scale axle is connected by a copper sheathing with the scale slide block.
6. a kind of BVT noise test chargers for eliminating resonance as claimed in claim 2, it is characterised in that it is described plus
Carrier gas storehouse both ends of the surface are each provided with a locking end cap, be provided with a trachea and be attached on the two locking end lids in the left and right.
7. a kind of BVT noise test chargers for eliminating resonance as claimed in claim 1, it is characterised in that the circle
Connected by the loading terminal pad of a round shape between post loading head and indication mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057387.XA CN106556516B (en) | 2016-11-26 | 2016-11-26 | BVT noise test loading device capable of eliminating resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611057387.XA CN106556516B (en) | 2016-11-26 | 2016-11-26 | BVT noise test loading device capable of eliminating resonance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106556516A true CN106556516A (en) | 2017-04-05 |
| CN106556516B CN106556516B (en) | 2023-07-14 |
Family
ID=58445013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611057387.XA Active CN106556516B (en) | 2016-11-26 | 2016-11-26 | BVT noise test loading device capable of eliminating resonance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106556516B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220324A (en) * | 2020-01-22 | 2020-06-02 | 上海应用技术大学 | Calibration device and calibration method for MEMS micro-force-torque sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004301803A (en) * | 2003-04-01 | 2004-10-28 | Nsk Ltd | Method and apparatus for evaluating acoustic performance of roller bearing |
| JP2008249664A (en) * | 2007-03-30 | 2008-10-16 | Nsk Ltd | Evaluation device and evaluation method for rigidity of rolling bearing unit |
| CN103439111A (en) * | 2013-08-15 | 2013-12-11 | 瓦房店轴承集团有限责任公司 | Super-large bearing vibration noise quality detector |
-
2016
- 2016-11-26 CN CN201611057387.XA patent/CN106556516B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004301803A (en) * | 2003-04-01 | 2004-10-28 | Nsk Ltd | Method and apparatus for evaluating acoustic performance of roller bearing |
| JP2008249664A (en) * | 2007-03-30 | 2008-10-16 | Nsk Ltd | Evaluation device and evaluation method for rigidity of rolling bearing unit |
| CN103439111A (en) * | 2013-08-15 | 2013-12-11 | 瓦房店轴承集团有限责任公司 | Super-large bearing vibration noise quality detector |
Non-Patent Citations (1)
| Title |
|---|
| 张根源;陈芳华;王兰英;: "轴承振动质量在线自动检测系统设计", 轴承, no. 01 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220324A (en) * | 2020-01-22 | 2020-06-02 | 上海应用技术大学 | Calibration device and calibration method for MEMS micro-force-torque sensor |
| CN111220324B (en) * | 2020-01-22 | 2021-09-28 | 上海应用技术大学 | Calibration device and calibration method for MEMS micro-force-torque sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106556516B (en) | 2023-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105526304B (en) | A kind of intelligence structure cartridge branch dry damping device | |
| CN103712740B (en) | Flat pressure sensor dynamic high-pressure calibrating installation | |
| CN204831259U (en) | Outside diameter detection device in axle sleeve part | |
| CN108168488A (en) | A kind of detection device of contact drilling quality | |
| CN206440228U (en) | Adjustable diaphragm type coupler centering detector | |
| CN106152991A (en) | Shaft sleeve parts inner and outer diameter measurement equipment | |
| CN106840590A (en) | A kind of component of miniaturized large-load integral type five dynamic pitching balance | |
| CN106556516A (en) | A kind of BVT noise test chargers for eliminating resonance | |
| CN107607299B (en) | Spring pressure tests machine mandrel and positions loading device | |
| CN209342079U (en) | A kind of tobacco fill value instrument range unit | |
| CN206223441U (en) | A kind of BVT noise test loading devices for eliminating resonance | |
| CN205785012U (en) | A kind of bearing clearance detection device | |
| CN204831238U (en) | Measure measuring tool that many wedges belt pulley is radial and axial is beated | |
| CN201285268Y (en) | Bearing projection measuring apparatus with preload smaller than 10N | |
| CN206974347U (en) | A kind of measurement apparatus for being used for leaf spring earhole perpendicularity and the depth of parallelism | |
| CN109238561A (en) | A kind of measurement method of force snesor dynamic sensitivity | |
| CN103344318B (en) | Bearing vibration speed measurer | |
| CN105180857A (en) | Measuring tool and method for measuring radial and axial runout of multi-wedge belt pulley | |
| CN208238700U (en) | Raceway gap measuring device | |
| CN104316717A (en) | Voltage transformation type speed measurement device for magnetic liquid | |
| CN105115707B (en) | A kind of joint curved surface faying face dynamic characteristic test device and method of testing | |
| CN104406477A (en) | Gear shaft tooth portion bounce detection clamp | |
| CN206905672U (en) | Mechanical cylinder roller bearing end-play detection means | |
| CN206920015U (en) | A kind of Full automatic double shaft bear vibration detector | |
| CN104849030A (en) | Dynamic load testing device for connecting rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |