CN103822785A - Device for testing service life of stamping outer ring bearing - Google Patents
Device for testing service life of stamping outer ring bearing Download PDFInfo
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- CN103822785A CN103822785A CN201410100705.0A CN201410100705A CN103822785A CN 103822785 A CN103822785 A CN 103822785A CN 201410100705 A CN201410100705 A CN 201410100705A CN 103822785 A CN103822785 A CN 103822785A
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- cover
- bearing
- support seat
- test axle
- test
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Abstract
The invention discloses a device for testing service life of a stamping outer ring bearing. The device comprises a test shaft, wherein a left bearing housing, a loading bearing housing and a right bearing housing are sequentially sleeved on the test shaft from left to right; a load sleeve is sleeved at the periphery of the loading bearing housing; retainer rings are respectively arranged on the left and right sides of the loading bearing housing; the retainer rings and the load sleeve are fixed together; a left supporting seat is sleeved at the periphery of the left bearing housing; a right supporting seat is sleeved at the periphery of the right bearing housing; a left end cover is arranged on the left side of the left supporting seat; a first inner end cover is arranged on the right side of the left supporting seat; a second inner end cover is arranged on the left side of the right supporting seat; a right end cover is arranged on the right side of the right supporting seat; a ball bearing is arranged between the left supporting seat and the test shaft; and a nut is arranged on the right side of the ball bearing. The overall processing and splitting application target of key parts is reached, the testing device is high in precision, the aim of testing different bearings on a set of sample device by virtue of replacement of individual parts is reached, and the test cost of the bearing is reduced.
Description
Technical field
The present invention relates to bearing life test field, particularly a kind of drawn cup bearing life tester.
Background technology
Bearing test device belongs to high-accuracy Mechanical test facilities, trueness error after its part manufacturing accuracy error and assembling directly affects test unit precision, most critical be install after bore concentricity to be controlled in 0.01mm, after guaranteeing that n cover bearing is installed, test axle inserts rotation flexibly, without dead point.Therefore machining precision and manufacturing cost are often very high.The parts such as at present, traditional various test units are because structure is limit, crucial left and right supporting seat can only process to guarantee precision by precision equipment respectively, and do not have the versatility of device, have increased cost of manufacture.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of drawn cup bearing life tester, precision is high, good reliability, applied range, can test different bearings, and realize experimental provision can versatility, and bearing mounting or dismounting are simple.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions: a kind of drawn cup bearing life tester, comprise test axle, on described test axle, cover has a left bearing cover successively from left to right, one load bearings cover and a right bearing cover, the periphery cover of described load bearings cover has load cover, what load bearings was overlapped is each side provided with a back-up ring being set on test axle, this back-up ring and described load cover are fixed together, in the periphery of described left bearing cover, cover has a left support seat, in the periphery of right bearing cover, cover has a right support seat, the left side of left support seat is provided with a left end cap being set on test axle, the right side of left support seat is provided with first inner end cap being set on test axle, the left side of right support seat is provided with second inner end cap being set on test axle, the right side of right support seat is provided with a right end cap being set on test axle, between left support seat and test axle, be also provided with a ball bearing, the right side of ball bearing is provided with a nut being contained on test axle, between left bearing cover and test axle, between right bearing cover and test axle and between load bearings cover and test axle, test bearing is housed respectively.
Further, between described load bearings cover and test axle, be provided with a back-up block.
Further, in the space forming between described ball bearing, nut, left bearing cover and left support seat, be provided with a regulating block being sheathed on test axle.
Further, the right side of described right bearing cover is provided with a baffle plate.
Further, described left end cap is provided with left-hand screw groove and right spiral on the endoporus of installing that matches with test axle.
Further, the internal diameter of described left support seat and right support seat is equal, and the external diameter of left support seat and right support seat is also equal, and the internal diameter of left bearing cover, right bearing cover and load bearings cover is equal, and left bearing cover, right bearing overlap the external diameter overlapping with load bearings and also equate.
The invention has the beneficial effects as follows: drawn cup bearing life tester of the present invention, its left support seat, right support seat, left bearing cover, right bearing cover and load bearings cover can be realized entirety and process the acquisition that is then divided into two, realize the consistent very high degree of precision of dimension of inner and outer diameters height, the difference in height that realizes installation rear left right support seat is less than 0.01mm, the dimensional uniformity of endoporus, good concentricity after bearing press mounting, the dirigibility in warranty test and the precision of test unit.The present invention has realized key components and parts entirety and has processed the target of cutting apart application, solve the machining precision error problem of microtest device, also different bearings have been realized by the replacing of individual part simultaneously, the object that can test on a set of sample device, shorten fabrication cycle, reduced bearing test cost.The present invention has good versatility, and bearing mounting or dismounting are simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of drawn cup bearing life tester of the present invention.
Number in the figure explanation: 1: test axle; 2: left end cap; 3: left support seat; 4: left bearing cover; 5: the first inner end cap; 6: load cover; 7: the second inner end cap; 8: right bearing cover; 9: right support seat; 10 right end caps; 11: ball bearing; 12: nut; 13: regulating block; 14: back-up ring; 15: load bearings cover; 16: back-up block; 17: baffle plate; 18: test bearing.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
As shown in Figure 1, a kind of drawn cup bearing life tester, comprise test axle 1, on described test axle 1, cover has a left bearing cover 4 successively from left to right, one load bearings cover 15 and a right bearing cover 8, the periphery cover of described load bearings cover 15 has load cover 6, load bearings cover 15 be each side provided with a back-up ring 14 being set on test axle 1, this back-up ring 14 is fixed together with described load cover 6, in the periphery of described left bearing cover 4, cover has a left support seat 3, in the periphery of right bearing cover 8, cover has a right support seat 9, the left side of left support seat 3 is provided with a left end cap 2 being set on test axle 1, the right side of left support seat 3 is provided with first inner end cap 5 being set on test axle 1, the left side of right support seat 9 is provided with second inner end cap 7 being set on test axle 1, the right side of right support seat 9 is provided with a right end cap 10 being set on test axle 1, between left support seat 3 and test axle 1, be also provided with a ball bearing 11, the right side of ball bearing 11 is provided with a nut 12 being contained on test axle 1, between left bearing cover 4 and test axle 1, between right bearing cover 8 and test axle 1 and between load bearings cover 15 and test axle 1, test bearing 18 is housed respectively.
Between load bearings cover 15 and test axle 1, be provided with a back-up block 16.In the space forming between ball bearing 11, nut 12, left bearing cover 4 and left support seat 3, be provided with a regulating block 13 being sheathed on test axle 1.The right side of right bearing cover 8 is also provided with a baffle plate 17.
Wherein, the internal diameter of described left support seat 3 and right support seat 9 equates, the external diameter of left support seat 3 and right support seat 9 also equates, the internal diameter of left bearing cover 4, right bearing cover 8 and load bearings cover 15 equates, the external diameter of left bearing cover 4, right bearing cover 8 and load bearings cover 15 also equates.
Test bearing 18 is arranged between left bearing cover 4 and test axle 1, between right bearing cover 8 and test axle 1 and load bearings overlap 15 and test between axle 1.Test the rotation of axle 1 and test bearing 18 is loaded, can carry out the durability test of test bearing.
This drawn cup bearing life tester, can adjust bearing holder (housing, cover) size according to bearing size, its left support seat 3, right support seat 9, left bearing cover 4, right bearing cover 8 and load bearings cover 15 also can be realized entirety processing and then cut apart acquisition, realize the consistent very high degree of precision of dimension of inner and outer diameters height, the difference in height that realizes installation rear left right support seat is less than 0.01mm, the dimensional uniformity of endoporus, good concentricity after bearing press mounting, the dirigibility in warranty test and the precision of test unit.The present invention has realized key components and parts entirety and has processed the target of cutting apart application, solve the machining precision error problem of microtest device, also different bearings have been realized by the replacing of individual part simultaneously, the object that can test on a set of sample device, shorten fabrication cycle, reduced bearing test cost.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a drawn cup bearing life tester, it is characterized in that: comprise test axle, on described test axle, cover has a left bearing cover successively from left to right, one load bearings cover and a right bearing cover, the periphery cover of described load bearings cover has load cover, what load bearings was overlapped is each side provided with a back-up ring being set on test axle, this back-up ring and described load cover are fixed together, in the periphery of described left bearing cover, cover has a left support seat, in the periphery of right bearing cover, cover has a right support seat, the left side of left support seat is provided with a left end cap being set on test axle, the right side of left support seat is provided with first inner end cap being set on test axle, the left side of right support seat is provided with second inner end cap being set on test axle, the right side of right support seat is provided with a right end cap being set on test axle, between left support seat and test axle, be also provided with a ball bearing, the right side of ball bearing is provided with a nut being contained on test axle, between left bearing cover and test axle, between right bearing cover and test axle and between load bearings cover and test axle, test bearing is housed respectively.
2. drawn cup bearing life tester according to claim 1, is characterized in that: between described load bearings cover and test axle, be provided with a back-up block.
3. drawn cup bearing life tester according to claim 1, is characterized in that: in the space forming between described ball bearing, nut, left bearing cover and left support seat, be provided with a regulating block being sheathed on test axle.
4. drawn cup bearing life tester according to claim 1, is characterized in that: the right side of described right bearing cover is provided with a baffle plate.
5. drawn cup bearing life tester according to claim 1, is characterized in that: described left end cap is provided with left-hand screw groove and right spiral on the endoporus of installing that matches with test axle.
6. drawn cup bearing life tester according to claim 1, it is characterized in that: the internal diameter of described left support seat and right support seat equates, the external diameter of left support seat and right support seat also equates, the internal diameter of left bearing cover, right bearing cover and load bearings cover is equal, and the external diameter of left bearing cover, right bearing cover and load bearings cover also equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410100705.0A CN103822785B (en) | 2014-03-19 | 2014-03-19 | A kind of drawn cup bearing life tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410100705.0A CN103822785B (en) | 2014-03-19 | 2014-03-19 | A kind of drawn cup bearing life tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103822785A true CN103822785A (en) | 2014-05-28 |
| CN103822785B CN103822785B (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410100705.0A Active CN103822785B (en) | 2014-03-19 | 2014-03-19 | A kind of drawn cup bearing life tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103822785B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699084A (en) * | 2016-02-21 | 2016-06-22 | 上海大学 | Bearing fatigue life testing machine for printer/duplicator paper feeding system |
| CN105784365A (en) * | 2016-03-07 | 2016-07-20 | 苏州市东吴滚针轴承有限公司 | Service life testing device for stamping outer ring bearing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000329654A (en) * | 1999-05-24 | 2000-11-30 | Hitachi Ltd | Apparatus for testing bearing of rotating machine |
| CN201203522Y (en) * | 2008-04-30 | 2009-03-04 | 哈尔滨电机厂有限责任公司 | Water lubricating radial bearing test device |
| JP2012093323A (en) * | 2010-10-29 | 2012-05-17 | Ntn Corp | Testing device of bearing around crank of engine |
| CN203758739U (en) * | 2014-03-19 | 2014-08-06 | 苏州市东吴滚针轴承有限公司 | Service lifetime testing device for stamping outer ring bearing |
-
2014
- 2014-03-19 CN CN201410100705.0A patent/CN103822785B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000329654A (en) * | 1999-05-24 | 2000-11-30 | Hitachi Ltd | Apparatus for testing bearing of rotating machine |
| CN201203522Y (en) * | 2008-04-30 | 2009-03-04 | 哈尔滨电机厂有限责任公司 | Water lubricating radial bearing test device |
| JP2012093323A (en) * | 2010-10-29 | 2012-05-17 | Ntn Corp | Testing device of bearing around crank of engine |
| CN203758739U (en) * | 2014-03-19 | 2014-08-06 | 苏州市东吴滚针轴承有限公司 | Service lifetime testing device for stamping outer ring bearing |
Non-Patent Citations (1)
| Title |
|---|
| 徐华等: "一种基于CAT的滑动轴承特性测试方法", 《润滑与密封》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699084A (en) * | 2016-02-21 | 2016-06-22 | 上海大学 | Bearing fatigue life testing machine for printer/duplicator paper feeding system |
| CN105699084B (en) * | 2016-02-21 | 2018-04-06 | 上海大学 | Printer/duplicator paper feed system bearings fatigue life test machine |
| CN105784365A (en) * | 2016-03-07 | 2016-07-20 | 苏州市东吴滚针轴承有限公司 | Service life testing device for stamping outer ring bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103822785B (en) | 2016-06-22 |
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