CN103335018A - Inner-ring small-flange separation type conical roller bearing and assembling method thereof - Google Patents
Inner-ring small-flange separation type conical roller bearing and assembling method thereof Download PDFInfo
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- CN103335018A CN103335018A CN2013102290381A CN201310229038A CN103335018A CN 103335018 A CN103335018 A CN 103335018A CN 2013102290381 A CN2013102290381 A CN 2013102290381A CN 201310229038 A CN201310229038 A CN 201310229038A CN 103335018 A CN103335018 A CN 103335018A
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Abstract
The invention relates to the technical field of bearing structures and discloses an inner-ring small-flange separation type conical roller bearing and an assembling method thereof. The separation type conical roller bearing comprises an outer ring, a rolling body, a retainer and a separation type inner ring, wherein the separation type inner ring is of an integrated structure composed of a step inner ring and a small flange; a counterbored ring is arranged on the outer diameter at the small end of the inner ring; and the small flange is of an annular structure, and a small step corresponding to the counterbored ring on the outer diameter at the small end of the inner ring is arranged on the inner diameter of the small flange. The assembling process is simple, so that the process steps are remarkably reduced, and the labor intensity of workers can be reduced. The conical roller bearing is convenient to detach, the bearing can be detached easily as long as the small flange is detached, and the retainer cannot be broken, so that bearing parts can be changed and maintained conveniently. Therefore, the investment in assembling dies can be reduced, the processing cost of bearing assembly can be saved, and the processing accuracy of the retainer can be easily guaranteed, so that the effect of improving the rotating accuracy of the whole bearing is remarkable, and the qualification rate of bearings can be greatly improved.
Description
Technical field
The present invention relates to the bearing structure technical field, relate in particular to a kind of inner ring little rib divergence type tapered roller bearing and assembling method.
Background technique
At present, existing conical bearing, little rib all are the parts (seeing accompanying drawing 1) of interior coil structures.The bearing of this structure is before assembling, need on press machine, the small end size of retainer be enlarged by dilatation mold, after retainer was filled rolling element, inner ring can be packed into smoothly like this, caused inner ring to pack into otherwise little rib will produce interference.Through the holding device and must shrink at press machine again of expansion, make it to return to the original form.Just form the inner ring assembly parts through after this two procedures, and then the outer ring is buckled, just finished the assembling of a whole set of bearing.Bearing through these operation assemblings exists following problem:
1. the mould that needs the suitable expansion of manufactured size and contraction has increased the cost that bearing assembles;
2. retainer for having relatively high expectations of operator, is easy to generate waste product in expansion and contraction process;
3. through the retainer of expansion and contraction, distortion can be produced unavoidably, the running accuracy of a whole set of bearing will be influenced like this.For the very high conical bearing of precision requirement, retainer becomes a key factor of restriction running accuracy.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of inner ring little rib divergence type tapered roller bearing and assembling method.
For achieving the above object, the present invention adopts following technological scheme:
The little rib divergence type of a kind of inner ring tapered roller bearing, comprise: outer ring, rolling element, retainer, also comprise: the separated type inner ring, described separated type inner ring is combined with little rib by the step inner ring and is constituted integral structure, described inner ring small end external diameter is provided with the fore shaft ring, described little rib is the toroidal structure, and the internal diameter of little rib is provided with and the inner ring small end external diameter corresponding small stair of choma of locking.
The assembling method of the little rib divergence type of a kind of inner ring tapered roller bearing adopts the separated type inner ring to assemble, and its step is as follows;
A. at first directly roller is put into the inside, pocket hole of retainer;
B. after filling roller in the fenestra of retainer, will not put into the inner inner assembly that forms of the retainer of filling roller with the inner ring of little rib then;
C. then little retaining is compressed into the inner ring small end that has fore shaft by the method for hot charging, be about to little rib heating, temperature is between 120 to 150 degree, compress into the small end of inner ring then by pressure unit, make the small end external diameter interference fit of little rib internal diameter and inner ring, magnitude of interference is arranged between the 0.2-0.3mm;
D. simultaneously the small stair of little rib is gripping in the fore shaft ring of inner ring the integral body that the small stair that forms the interference fit of inner ring assembly parts and little rib and the fore shaft ring of inner ring link closely and be connected;
E. buckle the outer ring at last, finish the assembling of whole divergence type tapered roller bearing.
Because adopt aforesaid technological scheme, the present invention has following superiority:
A kind of inner ring little rib divergence type tapered roller bearing and assembling method, superiority is as follows:
1. assembly process is simple, and process obviously reduces, and has alleviated working strength of workers.
2. dismounting is also more convenient, only need disassemble little rib, just can easily break bearing, can not destroy retainer, is convenient to replacing and the maintenance of bearing parts.Need the upward pressure machine during dismounting of accompanying drawing 1 airframe bearing with the expansion of retainer small end or cut retainer, just can break a whole set of bearing.
3. reduce the input of assembling mould, saved bearing assembling processing cost.
The machining accuracy of retainer guarantees for the running accuracy that improves a whole set of bearing positive effect is arranged easily, and the up-to-standard rate of bearing can significantly promote.
Description of drawings
Fig. 1 is the structural representation of divergence type tapered roller bearing;
Fig. 2 is the separated type inner ring structural representation of divergence type tapered roller bearing;
Among the figure: 1, outer ring, 2, inner ring, 2.1 fore shafts, 3, little rib, 4, rolling element, 5, retainer.
Embodiment
As shown in Figure 1, 2: the little rib divergence type of a kind of inner ring tapered roller bearing, comprise: outer ring 1, rolling element 4, retainer 5, also comprise: the separated type inner ring, described separated type inner ring constitutes integral structure by step inner ring 2 and little rib 3 combinations, described inner ring 2 small end external diameters are provided with fore shaft ring 2.1, described little rib 3 is the toroidal structure, and the internal diameter of little rib 3 is provided with and the inner ring 2 small end external diameters corresponding small stair of choma 2.1 of locking.
The assembling method of the little rib divergence type of a kind of inner ring tapered roller bearing adopts the separated type inner ring to assemble, and its step is as follows;
A. at first directly roller 4 is put into the inside, pocket hole of retainer 5;
B. after filling roller 4 in the fenestra of retainer 5, will not put into the retainer 5 inner inner assemblies that form of filling roller with the inner ring 2 of little rib then;
C. then little rib 3 is compressed into inner ring 2 small ends that have fore shaft by the method for hot charging, be about to little rib heating, temperature is between 120 to 150 degree, compress into the small end of inner ring then by pressure unit, make the small end external diameter interference fit of little rib 3 internal diameters and inner ring 2, magnitude of interference is arranged between the 0.2-0.3mm;
D. simultaneously the small stair of little rib 3 is gripping in the fore shaft ring of inner ring 2 integral body that the small stair that forms the interference fit of inner ring assembly parts and little rib 3 and the fore shaft ring of inner ring 2 link closely and be connected;
E. buckle outer ring 1 at last, finish the assembling of whole divergence type tapered roller bearing.
Can then little rib be contained on the inner ring of bearing by heating directly with not putting the retainer inside that fenestra is filled rolling element into the inner ring of little rib when being the assembling of divergence type tapered roller bearing.This structure needs the retainer small end is expanded before having avoided, and the situation of inner ring embedded band rolling element retainer the inside can also could be saved the operation that the back need be retracted to retainer the preceding size of expansion.The little rib of this separable type has improved the loaded down with trivial details present situation of conical bearing assembly process, and without the precision of the retainer of order two procedures later large increase has been arranged, thereby for the precision that improves solid bearing very big effect is arranged, and has improved the up-to-standard rate of bearing.
Claims (2)
1. the little rib divergence type of inner ring tapered roller bearing, comprise: outer ring (1), rolling element (4), retainer (5), also comprise: it is characterized in that: the separated type inner ring, described separated type inner ring constitutes integral structure by step inner ring (2) and little rib (3) combination, described inner ring (2) small end external diameter is provided with fore shaft ring (2.1), described little rib (3) is the toroidal structure, and the internal diameter of little rib (3) is provided with and inner ring (2) the small end external diameter corresponding small stair of choma (2.1) of locking.
2. the assembling method of the little rib divergence type of an inner ring tapered roller bearing is characterized in that: adopt the separated type inner ring to assemble, its step is as follows;
A. at first directly roller (4) is put into the inside, pocket hole of retainer (5);
B. after filling roller (4) in the fenestra of retainer (5), will not put into the inner inner assembly that forms of the retainer (5) of filling roller with the inner ring (2) of little rib then;
C. then little rib (3) is compressed into inner ring (2) small end that has fore shaft by the method for hot charging, be about to little rib heating, temperature is between 120 to 150 degree, compress into the small end of inner ring then by pressure unit, make the small end external diameter interference fit of little rib (3) internal diameter and inner ring (2), magnitude of interference is arranged between the 0.2-0.3mm;
D. simultaneously the small stair of little rib (3) is gripping in the fore shaft ring of inner ring (2) integral body that the small stair that forms the interference fit of inner ring assembly parts and little rib (3) and the fore shaft ring of inner ring (2) link closely and be connected;
E. buckle outer ring (1) at last, finish the assembling of whole divergence type tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102290381A CN103335018A (en) | 2013-06-09 | 2013-06-09 | Inner-ring small-flange separation type conical roller bearing and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102290381A CN103335018A (en) | 2013-06-09 | 2013-06-09 | Inner-ring small-flange separation type conical roller bearing and assembling method thereof |
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| CN103335018A true CN103335018A (en) | 2013-10-02 |
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| CN2013102290381A Pending CN103335018A (en) | 2013-06-09 | 2013-06-09 | Inner-ring small-flange separation type conical roller bearing and assembling method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276010A (en) * | 2015-11-19 | 2016-01-27 | 大连国威轴承股份有限公司 | Conical roller bearing assembling device with stamping holder |
| CN109236850A (en) * | 2018-11-30 | 2019-01-18 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | The tapered roller bearing of outer ring being provided with raised edge |
| CN109296635A (en) * | 2018-11-30 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Improved tapered roller bearing |
| CN114705046A (en) * | 2022-04-11 | 2022-07-05 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Optimized assembly method for wheels of sintering machine trolley |
| CN116146598A (en) * | 2023-03-13 | 2023-05-23 | 浙江恒嘉轴承有限公司 | Conical bearing and processing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB417768A (en) * | 1934-04-07 | 1934-10-11 | Timken Roller Bearing Co | Improvements in taper roller bearings |
| CN2222261Y (en) * | 1995-04-07 | 1996-03-13 | 瓦房店第一轧机轴承厂 | Conical non-standard bearing |
| CN201908949U (en) * | 2011-01-05 | 2011-07-27 | 大连兴轮轴承有限公司 | Tapered roller bearing with retainer having large end for guide and bottomless small end |
| CN102734318A (en) * | 2011-04-14 | 2012-10-17 | 孙晓峰 | Full-roller tapered roller bearing without retainer |
| CN203717638U (en) * | 2013-06-09 | 2014-07-16 | 洛阳森诺精密轴承有限公司 | Inner ring small flange separated type conical roller bearing |
-
2013
- 2013-06-09 CN CN2013102290381A patent/CN103335018A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB417768A (en) * | 1934-04-07 | 1934-10-11 | Timken Roller Bearing Co | Improvements in taper roller bearings |
| CN2222261Y (en) * | 1995-04-07 | 1996-03-13 | 瓦房店第一轧机轴承厂 | Conical non-standard bearing |
| CN201908949U (en) * | 2011-01-05 | 2011-07-27 | 大连兴轮轴承有限公司 | Tapered roller bearing with retainer having large end for guide and bottomless small end |
| CN102734318A (en) * | 2011-04-14 | 2012-10-17 | 孙晓峰 | Full-roller tapered roller bearing without retainer |
| CN203717638U (en) * | 2013-06-09 | 2014-07-16 | 洛阳森诺精密轴承有限公司 | Inner ring small flange separated type conical roller bearing |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276010A (en) * | 2015-11-19 | 2016-01-27 | 大连国威轴承股份有限公司 | Conical roller bearing assembling device with stamping holder |
| CN109236850A (en) * | 2018-11-30 | 2019-01-18 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | The tapered roller bearing of outer ring being provided with raised edge |
| CN109296635A (en) * | 2018-11-30 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Improved tapered roller bearing |
| CN114705046A (en) * | 2022-04-11 | 2022-07-05 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Optimized assembly method for wheels of sintering machine trolley |
| CN116146598A (en) * | 2023-03-13 | 2023-05-23 | 浙江恒嘉轴承有限公司 | Conical bearing and processing method thereof |
| CN116146598B (en) * | 2023-03-13 | 2023-10-27 | 浙江恒嘉轴承有限公司 | Conical bearing and processing method thereof |
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Application publication date: 20131002 |