CN101886979B - Device and method for measuring rigidity of hub bearings - Google Patents
Device and method for measuring rigidity of hub bearings Download PDFInfo
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- CN101886979B CN101886979B CN2009103022459A CN200910302245A CN101886979B CN 101886979 B CN101886979 B CN 101886979B CN 2009103022459 A CN2009103022459 A CN 2009103022459A CN 200910302245 A CN200910302245 A CN 200910302245A CN 101886979 B CN101886979 B CN 101886979B
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- hub
- bearing
- rigidity
- hub bearing
- pressing plate
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Abstract
The invention relates to a bearing measuring technology, in particular to a device and method for measuring the rigidity of automotive hub bearings in specialty, which is characterized by designing a group of mutually parallel pressure-applying pieces and supporting pieces; the inner ring of a hub bearing is fixed on each supporting piece in the vertical direction of each pressure-applying piece and each supporting piece; enough space which can accommodate the height of the hub bearing and the deformation amount generated after applying pressure is formed between each pressure-applying piece and each supporting piece; two measuring points are respectively arranged on the pressure-applying piece and the supporting piece within the maximum wheel hub circumference of the hub bearing; a pressure-applying point is arranged at a distance of a wheel radius from the center of the hub bearing; the deformation angle in the stress state of the hub bearing is calculated according to the data variables obtained after acquiring the applied pressure from the four measuring points; and then the rigidity of the hub bearing is calculated.
Description
Technical field
The present invention relates to the bearing measuring technology, especially relate to a kind of stiffness means and method of professional measured automobiles hub bearing.
Background technology
In manufacturing parts detect, the accuracy requirement of pick-up unit is high, when the rigidity of parts is measured, the rigidity of device own and computing method are very large on the measurement data impact, sometimes possibly can't correctly reflect the rigidity of unit under test, in the bearing rigidity context of detection, be mainly how only to the measurement of bearing rigidity, the impact of as far as possible being measured less system rigidity.
Summary of the invention
The objective of the invention is the problem of measuring in order to solve bearing rigidity, a kind of reasonable in design is provided, it is convenient to measure, and precision is high, calculates simply the measurement mechanism of professional measured automobiles rigidity of hub bearings.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: this rigidity of hub bearings measurement mechanism and method, comprise base, pressing plate, and the hub formed by wheel hub, hub bearing, fastening pivot pin, it is characterized in that the wheel hub in described hub is fixed on base, the ring flange of hub bearing is fixed in pressing plate by set bolt, is provided with the pressurized steel ball on the pressing plate at a radius of wheel place of distance hub bearing.Respectively establish two measurement points on the base of the maximum gauge position of hub bearing, pressing plate, exert pressure on the pressurized steel ball, calculate the rigidity of bearing by the change in location of measurement point.
As preferably, described pressing plate is provided with through hole in the hub bearing position, and the aperture of its through hole is greater than the large end external diameter of fastening pivot pin.The upper end of fastening pivot pin is provided with the device for the tightening tool such as spanner location and the degree of tightness application of force, as the profile of hexagonal nut, or interior hexagonal blind hole, fastening pivot pin pass hole on pressing plate to hub bearing the location on flange.
As preferably, described wheel hub is provided with two place's test desks, and test desk is in the maximum circumference of hub range of size of hub bearing.Measurement point required for the present invention, is established 2 points altogether everywhere above wheel hub, measurement point has displacement in its position after the pressurized steel ball application of force, so test desk herein can not directly be close to base, should leave certain distance.Within the location of measurement point all is located at the hub bearing largest circumference, can avoid like this impact of pressing plate and base self rigidity on measurement result everywhere.
As preferably, described base is provided with two place's test desks, and test desk is in the maximum circumference of hub range of size of hub bearing.A same claim of this version, test desk can be provided with a support and be fixed on base, and measurement point wherein and base will have certain distance, provide the rear measurement mechanism of exerting pressure to produce the needed displacement of angle θ.
A kind of rigidity of hub bearings measuring method, it is characterized in that designing one group of base be parallel to each other and pressing plate, with base and pressing plate vertical direction, one hub bearing is fixed on base, the sufficient space that there is the height that holds hub bearing and the rear generation deflection of exerting pressure between base and pressing plate, establish respectively two measurement points on base within the maximum circumference of hub of hub bearing and pressing plate, apart from the hub bearing center, a radius of wheel distance is established a compression point, from then on compression point on-load pressure F
t, measure the distance between two measurement points on pressing plate, from the four measuring point obtain exert pressure the data obtained variable, calculate the deformation angle under the hub bearing stress, by calculating formula: bearing rigidity=F
t* R/ θ (Nm/ °) tries to achieve the bearing rigidity of hub bearing, and R is that the hub bearing center is to the load(ing) point distance.
As preferably, described compression point is with adopting steel ball to load.The employing steel ball loads, and guarantees all the time to load radius and does not change with the variation of system.
Therefore, the present invention is a kind of reasonable in design, easy to operate, and its measurement result can fully reflect measurement mechanism and the method for rigidity of hub bearings.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
In figure: 1. base, 2. wheel hub, 3. hub bearing, 4. pressing plate, 5. pressurized steel ball, 6. fastening pivot pin, 7. set bolt, 8, test desk.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Referring to Fig. 1, the present embodiment is established the hub will be comprised of wheel hub 2, hub bearing 3, fastening pivot pin 6 and is fixed on base 1, the outer hub of hub bearing 3 is fixed on pressing plate 4 by 4 set bolts 7, establish a steel ball locating slot on the pressing plate 4 of 3 one radius of wheel positions of distance hub bearing, place pressurized steel ball 5 in the steel ball locating slot, by changing base plate and pressing plate, can meet the measurement requirement of different model hub bearing.
Establish two place's test desks 8 on the flange plate-like base of hub wheel hub 2 bottoms, test desk 8 is arranged on the wheel hub 2 at distance between bearing 3 maximum outside diameter positions.
As shown in the figure, establish A, B, C, D four measuring point, the four measuring point is located on the line at pressurized steel ball 5 and hub bearing 3 centers, in the position, point of crossing of the maximum wheel hub external diameter of hub bearing 3 and this line.During measurement, need to measure the change in location of four measuring point, then calculate the angle theta of top of the following and base 1 of pressing plate 4.
Try to achieve the bearing rigidity of hub bearing 3 according to calculating formula:
Bearing rigidity=F
t* R/ θ (Nm/ °)
In formula: F
tfor being applied to the pressure on pressurized steel ball 5, R is bearing center to the distance of load(ing) point on pressing plate 4, θ be after pressing plate 4 pressurizeds its below with the angle of the top of base 1, this angle theta is definite by the changing value of four meters.
The acquisition at the data variation of four measuring point and θ angle all can be by being provided with optoelectronic device, and be connected and obtain with computing machine, to realize robotization.
Claims (6)
1. a rigidity of hub bearings measurement mechanism, comprise base (1), pressing plate (4), and the hub formed by wheel hub (2), hub bearing (3), fastening pivot pin (6), it is characterized in that the wheel hub (2) in described hub is fixed on base (1), the ring flange of hub bearing (3) is fixed in pressing plate (4) by set bolt (7), at pressing plate (4), above apart from (3) radius of wheel places of hub bearing, is provided with pressurized steel ball (5).
2. rigidity of hub bearings measurement mechanism according to claim 1, is characterized in that described pressing plate (4) is provided with through hole in hub bearing (3) position, and the aperture of its through hole is greater than fastening pivot pin (6) and holds greatly external diameter.
3. rigidity of hub bearings measurement mechanism according to claim 1, is characterized in that described wheel hub (2) is provided with two place's test desks (8), and test desk (8) is in the maximum circumference of hub range of size of hub bearing.
4. rigidity of hub bearings measurement mechanism according to claim 1, is characterized in that described base (1) is provided with two place's test desks (8), and test desk (8) is in the maximum circumference of hub range of size of hub bearing.
5. a rigidity of hub bearings measuring method, it is characterized in that designing one group of base be parallel to each other (1) and pressing plate (4), vertical direction along base (1) and pressing plate (4) is fixed in a hub bearing (3) on base (1), the sufficient space that there is the height that holds hub bearing (3) and the rear generation deflection of exerting pressure between base (1) and pressing plate (4), establish respectively two measurement points in the maximum circumference of hub of hub bearing (3) on corresponding base (1) and pressing plate (4), establish a compression point apart from one, center of hub bearing (3) radius of wheel distance, from then on compression point on-load pressure F
t, measure the distance between two measurement points on pressing plate (4), from the four measuring point obtain exert pressure the data obtained variable, calculate the deformation angle θ under hub bearing (3) stress, by calculating formula: bearing rigidity=F
t* R/ θ (Nm/ °) tries to achieve the bearing rigidity of hub bearing (3), and R is that hub bearing (3) center is to the compression point distance.
6. a kind of rigidity of hub bearings measuring method according to claim 5, is characterized in that described compression point is with adopting pressurized steel ball (5) to load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103022459A CN101886979B (en) | 2009-05-12 | 2009-05-12 | Device and method for measuring rigidity of hub bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103022459A CN101886979B (en) | 2009-05-12 | 2009-05-12 | Device and method for measuring rigidity of hub bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101886979A CN101886979A (en) | 2010-11-17 |
| CN101886979B true CN101886979B (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103022459A Expired - Fee Related CN101886979B (en) | 2009-05-12 | 2009-05-12 | Device and method for measuring rigidity of hub bearings |
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| Country | Link |
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| CN (1) | CN101886979B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240352B (en) * | 2019-07-16 | 2022-05-31 | 广州汽车集团股份有限公司 | Finite element analysis method and system of hub bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2340942B (en) * | 1998-08-28 | 2000-10-11 | Nsk Ltd | Bearing rigidity evaluation |
| CN1589397A (en) * | 2001-10-09 | 2005-03-02 | 日本精工株式会社 | Device amd method for evaluating rigidity of bearing device, device and method for manufacturing bearing device, and bearing device |
| CN2754055Y (en) * | 2004-12-21 | 2006-01-25 | 洛阳轴研科技股份有限公司 | Precision bearing embossment measuring device |
| CN2876752Y (en) * | 2005-12-30 | 2007-03-07 | 合肥工业大学 | Multifunctional testing table for sliding bearing |
| CN101354314A (en) * | 2008-09-22 | 2009-01-28 | 哈尔滨工业大学 | Bearing rigidity test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02223838A (en) * | 1989-02-23 | 1990-09-06 | Nec Corp | Bearing testing device |
-
2009
- 2009-05-12 CN CN2009103022459A patent/CN101886979B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2340942B (en) * | 1998-08-28 | 2000-10-11 | Nsk Ltd | Bearing rigidity evaluation |
| CN1589397A (en) * | 2001-10-09 | 2005-03-02 | 日本精工株式会社 | Device amd method for evaluating rigidity of bearing device, device and method for manufacturing bearing device, and bearing device |
| CN2754055Y (en) * | 2004-12-21 | 2006-01-25 | 洛阳轴研科技股份有限公司 | Precision bearing embossment measuring device |
| CN2876752Y (en) * | 2005-12-30 | 2007-03-07 | 合肥工业大学 | Multifunctional testing table for sliding bearing |
| CN101354314A (en) * | 2008-09-22 | 2009-01-28 | 哈尔滨工业大学 | Bearing rigidity test device |
Non-Patent Citations (2)
| Title |
|---|
| 微型轴承刚度仪的研制;李国平等;《轴承》;20001205(第12期);第29-30、41页 * |
| 李国平等.微型轴承刚度仪的研制.《轴承》.2000,(第12期), |
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| CN101886979A (en) | 2010-11-17 |
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Owner name: ZHEJIANG WANXIANG PRECISION INDUSTRY CO., LTD. Free format text: FORMER OWNER: WANXIANG QIANCHAO CO., LTD. Effective date: 20120912 |
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Effective date of registration: 20120912 Address after: 311215 Wanxiang Group Technology Center, Xiaoshan Economic Development Zone, Hangzhou, Zhejiang Applicant after: Wanxiang Group Corporation Applicant after: Zhejiang Wanxiang Precision Industry Co., Ltd. Address before: 311215 Wanxiang Group Technology Center, Xiaoshan Economic Development Zone, Hangzhou, Zhejiang Applicant before: Wanxiang Group Corporation Applicant before: Wangxiang Qianchao Co., Ltd. |
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