CN104179797A - Conical surface deviation-eliminating rolling bearing - Google Patents
Conical surface deviation-eliminating rolling bearing Download PDFInfo
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- CN104179797A CN104179797A CN201410394625.0A CN201410394625A CN104179797A CN 104179797 A CN104179797 A CN 104179797A CN 201410394625 A CN201410394625 A CN 201410394625A CN 104179797 A CN104179797 A CN 104179797A
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- bearing
- conical surface
- outer ring
- rolling bearing
- deviation
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Abstract
The invention relates to a bearing, and in particular relates to a conical surface deviation-eliminating rolling bearing which can eliminate the radial play eccentricity of a bearing outer ring and is easy to assemble and disassemble. The conical surface deviation-eliminating rolling bearing solves the problems that a large-sized bearing is unfavorable for assembly and disassembly and the axis deviates due to radial run-out and size deviation of the outer ring of the large-sized bearing. According to the technical scheme, the conical surface deviation-eliminating rolling bearing comprises an inner ring, a rolling body, a retainer, an outer ring and spacers. The end surface, matched with an outer mounting base, of the outer ring is designed into a conical surface with a taper; and a plurality of spacers are uniformly distributed in the circumferential direction of the small end surface of the outer ring and fixedly connected to the outer ring, and the thickness of the spacer can be set as required. The axis deviation caused by the run-out and size deviation of the outer ring of the bearing is eliminated, and the positioning precision and supporting rigidity of the bearing are improved.
Description
Technical field
The present invention relates to a kind of bearing, particularly one can be eliminated bearing outer ring radial beat eccentricity, and is easy to a kind of conical surface poor rolling bearing that disappears of mounting or dismounting.
Background technique
Along with various manufacturing the developing rapidly of China, and the continuous upgrading of periphery product in mechanical industry, electronic industry, also more and more higher to the quality requirements of bearing.In the extremely manufacturing fields such as especially space flight, navigation, aviation, also increasing for the demand of large size bearing.At present, though some domestic and international producers can supply large size bearing, often because various drawbacks are difficult to meet engineering demand.These drawback main manifestations are as follows:
1. be unfavorable for bearing removal.For large size bearing, be generally impossible with mechanical cold mounting method, the method that therefore need to install with heat heats whole bearing before installation.So just there are two problems: the first, be difficult on the market find large like this heating tool at present, for the heating of large size bearing is made troubles; The second, after installing with hot charge practice, bearing inner race and axle interference fit, bearing is difficult to dismounting, is unfavorable for maintenance or replacement after bearing breaks down.
2. system coaxality is difficult to ensure.The large size bearing of supplying both at home and abroad at present, because size is larger, its play is larger, and outside lane runout amount is larger, will cause so larger misalignment of axe, and it far exceedes the coaxiality deviation scope of system requirements, and the coaxality of system just cannot ensure like this.
At present, on market, temporarily do not have a kind of large size bearing can effectively solve above-mentioned two problems simultaneously.The present invention seeks to provides a kind of Novel conical surface poor rolling bearing that disappears for fields such as Aeronautics and Astronautics.
Summary of the invention
Utilize conventional mounting method to be difficult to dismounting for domestic and international common large size bearing, and because its precision is lower, the problem that outside lane runout amount is larger, is difficult to meet the requirement of engineering practice for system coaxality, the invention provides a kind of conical surface poor rolling bearing that disappears.This bearing structure, applicable to any large size bearing, is not only easy to dismounting, and can eliminate the misalignment of axe that bearing outer ring is beated and size deviation is brought, thereby improves bearing positioning precision and support stiffness.
The technical problem that the present invention solves is: design a kind of conical surface poor rolling bearing that disappears, effectively solve large size bearing and be unfavorable for mounting or dismounting, the problem of the misalignment of axe causing due to outside lane runout and the size deviation of large size bearing, has improved rigidity and the positioning precision of bearing, and is easy to mounting or dismounting.
Technological scheme of the present invention is: build a kind of conical surface poor rolling bearing that disappears, comprise inner ring 5, rolling element 3, retainer, outer ring 4 and cushion block 2.The face matching with mounting base in outer ring 4 is designed to have the conical surface of tapering, and some cushion blocks 2 become to be uniformly distributed at the circumferencial direction of outer ring 4 small end faces, and are connected on outer ring 4.
Further technological scheme of the present invention is: the thickness of cushion block 2 needs match grinding according to size after installing.
Invention effect
Technique effect of the present invention is: design a kind of conical surface poor rolling bearing that disappears, outer ring is designed to have the conical surface of tapering, feel relieved by the conical surface, can effectively improve the positioning precision of bearing axis, thereby eliminate the misalignment of axe causing due to outside lane runout and the size deviation of large size bearing, and be easy to installing/dismounting; Outer ring is uniformly distributed cushion block around, can contribute to the conical surface accurately to locate on the one hand, can improve on the other hand bearings rigidity, when assembling, when the outer ring conical surface overlaps completely and clamps with the conical surface of mounting base, its thickness of match grinding.
Brief description of the drawings
Fig. 1 is the conical surface of the present invention poor rolling bearing structure figure that disappears
Fig. 2 is the conical surface of the present invention poor rolling bearing 3 dimensional drawing that disappears
Fig. 3 applies erection drawing in the present embodiment
Description of reference numerals: 1-screw; 2-cushion block; 3-rolling element; 4-outer ring; 5-inner ring; 6-hollow shaft; The left conical surface of the 7-poor rolling bearing that disappears; The right conical surface of the 8-poor rolling bearing that disappears; 9-mounting base; 10-square toes screw rod; 11-nut; 12-bearing inner race compresses sector unit; 13-bearing hold-down ring.
Embodiment
Below in conjunction with concrete embodiment, technical solution of the present invention is further illustrated.
1. referring to Fig. 1-Fig. 2, the conical surface poor rolling bearing that disappears comprises inner ring 5, outer ring 4, steel ball, retainer, cushion block 2, screw 1.The outer ring of traditional bearing is cylndrical surface, the present invention is designed to outer ring 4 to have the conical surface of tapering, feel relieved by the conical surface, can effectively improve the positioning precision of bearing axis, thereby thoroughly eliminate the misalignment of axe causing due to outside lane runout and the size deviation of large size bearing; On the small end end face of outer ring, be designed with 12 cushion blocks 2 simultaneously, become to be uniformly distributed at circumferencial direction, be connected on outer ring 4 by screw 1, can contribute to the conical surface accurately to locate on the one hand, can improve on the other hand bearings rigidity, when installation, in the time that outer ring 4 conical surfaces overlap completely and clamp with the conical surface of mounting base 9, the thickness of match grinding cushion block 2.
2. referring to Fig. 3, by the left conical surface disappear inner ring and the bearing located in connection component of poor rolling bearing 7, as sleeve, distance ring etc. are assembled on hollow shaft 6 according to the assembly relation as shown in Fig. 3.Simultaneously, the disappear outer ring of poor rolling bearing 7 of the left conical surface is assembled in mounting base 9, in the time that its outer ring conical surface overlaps completely and clamps with the conical surface of mounting base 9, measure the left conical surface distance between the cycle surface of poor rolling bearing 7 and the interior edge face of mounting base 9 that disappears, the thickness of cushion block 2 in poor rolling bearing 7 thereby definite left conical surface disappears, so both can thoroughly eliminate the disappear run-out error of poor rolling bearing 7 of the geometrical deviation of mounting base 9 and the left conical surface, ensure the disappear coaxality of poor rolling bearing 7 and mounting base 9 of the left conical surface, also axial float can prevent bearing stand under load time simultaneously, the right conical surface disappears the outer ring installation method of poor rolling bearing 8 with bearing 7, in the time that the outer ring of two bearings is all assembled to mounting base 9, by this assembled on hollow 6.Then, according to diagram assembly relation, by square toes screw rod 10, nut 11, the disappear inner ring of poor rolling bearing 8 of the right conical surface, together with rolling element, bearing inner race compress sector unit 12, bearing hold-down ring 13 is assembled on hollow shaft 6, when the right conical surface disappears the inner ring of poor rolling bearing 8 while being assembled to correct position, the locking conical surface deviation shaft that disappears holds the nut 11 of both sides.
3. the conical surface of the present invention disappears poor rolling bearing in the time of concrete application, can be according to concrete demand, and the quantity of configuration cushion block, is evenly distributed on outer ring it; When assembling, work as the outer ring conical surface overlap completely and clamp with the conical surface of mounting base according to actual conditions, its thickness of match grinding, also can adopt different means of fixation that cushion block is fixed on outer ring simultaneously.
Claims (2)
1. a conical surface poor rolling bearing that disappears, comprise inner ring (5), rolling element (3), retainer, it is characterized in that, the face matching with outside mounting base in outer ring (4) is designed to have the conical surface of tapering, the circumferencial direction of some cushion blocks (2) (4) small end end face in outer ring becomes to be uniformly distributed, and is connected on outer ring (4).
2. the conical surface as claimed in claim 1 poor rolling bearing that disappears, is characterized in that, the thickness of cushion block (2) need to carry out match grinding according to installation dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410394625.0A CN104179797A (en) | 2014-08-12 | 2014-08-12 | Conical surface deviation-eliminating rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410394625.0A CN104179797A (en) | 2014-08-12 | 2014-08-12 | Conical surface deviation-eliminating rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104179797A true CN104179797A (en) | 2014-12-03 |
Family
ID=51961068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410394625.0A Pending CN104179797A (en) | 2014-08-12 | 2014-08-12 | Conical surface deviation-eliminating rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104179797A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641440A1 (en) * | 1986-03-03 | 1987-09-10 | Jenoptik Jena Gmbh | Ballbearing arrangement |
| JP2006083968A (en) * | 2004-09-16 | 2006-03-30 | Ntn Corp | Ball bearing for tripod constant velocity universal joint |
| JP2007205477A (en) * | 2006-02-02 | 2007-08-16 | Nsk Ltd | Rolling bearing with retaining ring |
| CN203214629U (en) * | 2013-05-03 | 2013-09-25 | 进发轴承有限公司 | Bearing outer ring |
| CN203348313U (en) * | 2013-07-11 | 2013-12-18 | 浙江正大轴承有限公司 | Track and needle roller bearing |
| CN204082890U (en) * | 2014-08-12 | 2015-01-07 | 西北工业大学 | The conical surface disappears poor rolling bearing |
-
2014
- 2014-08-12 CN CN201410394625.0A patent/CN104179797A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641440A1 (en) * | 1986-03-03 | 1987-09-10 | Jenoptik Jena Gmbh | Ballbearing arrangement |
| JP2006083968A (en) * | 2004-09-16 | 2006-03-30 | Ntn Corp | Ball bearing for tripod constant velocity universal joint |
| JP2007205477A (en) * | 2006-02-02 | 2007-08-16 | Nsk Ltd | Rolling bearing with retaining ring |
| CN203214629U (en) * | 2013-05-03 | 2013-09-25 | 进发轴承有限公司 | Bearing outer ring |
| CN203348313U (en) * | 2013-07-11 | 2013-12-18 | 浙江正大轴承有限公司 | Track and needle roller bearing |
| CN204082890U (en) * | 2014-08-12 | 2015-01-07 | 西北工业大学 | The conical surface disappears poor rolling bearing |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |
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| WD01 | Invention patent application deemed withdrawn after publication |