CN202360602U - Axial positioning device of double row tapered roller bearings on drum of rolling-up machine - Google Patents
Axial positioning device of double row tapered roller bearings on drum of rolling-up machine Download PDFInfo
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- CN202360602U CN202360602U CN 201120535094 CN201120535094U CN202360602U CN 202360602 U CN202360602 U CN 202360602U CN 201120535094 CN201120535094 CN 201120535094 CN 201120535094 U CN201120535094 U CN 201120535094U CN 202360602 U CN202360602 U CN 202360602U
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- bearing
- inner race
- bearing inner
- tapered roller
- inner ring
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Abstract
The utility model discloses an axial positioning device of double row tapered roller bearings on a drum of a rolling-up machine. A bearing inner ring, rollers and bearing double outer rings are disposed on outer surface of a main shaft to constitute a tapered roller bearing; a bearing inner ring left positioning sleeve is disposed on the main shaft at one side of the tapered roller bearing, and a bearing outer ring left end cover is provided at outer side of the bearing inner ring left positioning sleeve; a bearing inner ring right positioning sleeve is disposed on the main shaft at the other side of the tapered roller bearing, and a bearing outer ring right end cover is provided at outer side of the bearing inner ring right positioning sleeve; the bearing inner ring left positioning sleeve and the bearing inner ring right positioning sleeve are in contact with two ends of the bearing inner ring, respectively; and spring press plates are disposed at inner sides of the bearing outer ring left end gland and the bearing outer ring right end gland respectively, and in contact with the bearing double outer rings. The axial positioning device has the advantages of small vibration during rotation of tapered roller bearing, small noise of rolling-up machine, and improved service life of bearing.
Description
Technical field
The utility model belongs to the steel rolling equipment technical field, relates to the axial direction positioning device of double-row conical bearing on a kind of coiler mandrel.
Background technique
Coiling machine is a very important rolling equipment during band is produced, and can it proper functioning will directly influence the output of band.And the most key in the coiling machine design be the selection of reel bearings at both ends.The tapered roller bearing of traditional coiling machine is made up of spacer ring in the middle of bearing inner race, roller, the two outer rings of bearing and the two outer ring., load big because of the coiler mandrel bearing size weighs, rotating speed is high; This just requires the designer when design, will rationally provide the play of tapered roller bearing according to the installation cooperation of bearing enclose, the load of bearing, the working speed of bearing, the composite factors such as lubrication state of bearing, thus the thickness of spacer ring in the middle of determining.Yet, confirm the reasonable installation play of tapered roller bearing, quite difficulty.This just causes the coiling machine double-row conical bearing of design or play is installed bigger than normal, or it is less than normal that play is installed.Double-row conical bearing is installed play then bearing bigger than normal and when rotating, is produced vibration, causes the rolling element unbalance stress, and the running accuracy of reel reduces, and the coiling machine noise increases, and bearing life reduces.It is less than normal that double-row conical bearing is installed play, and bearing can produce heat and rise in high speed, heavily loaded working procedure, cause bearing stuck, causes equipment accident.
Summary of the invention
The purpose of the utility model provides the axial direction positioning device of double-row conical bearing on a kind of coiler mandrel, when tapered roller bearing rotates vibration little, the coiling machine noise is little, has improved the working life of bearing.
The technological scheme that the utility model adopted is; The axial direction positioning device of double-row conical bearing on the coiler mandrel; Be provided with bearing inner race at the outerface of spindle, the bearing inner race outside is disposed with roller and the two outer rings of bearing, and bearing inner race, roller, the two outer rings of bearing constitute tapered roller bearing; The main shaft of tapered roller bearing one side is provided with bearing inner race left side abutment sleeve; The outer installment of bearing inner race left side abutment sleeve has bearing outer ring left end gland, and the main shaft of tapered roller bearing opposite side is provided with the right abutment sleeve of bearing inner race, and the outer installment of the right abutment sleeve of bearing inner race has bearing outer ring right-hand member gland; Bearing inner race left side abutment sleeve and bearing inner race right side abutment sleeve respectively with bearing inner race two end in contact; Be used for fixing bearing inner race, bearing outer ring left end gland and bearing outer ring right-hand member gland inboard are respectively arranged with spring bearer plate, and spring bearer plate contacts with the two outer rings of bearing.
The axial direction positioning device of double-row conical bearing on the coiler mandrel of the utility model; Inner ring, roller, the outer ring of double-row conical bearing are only depended on together all the time; Double-row conical bearing becomes bearing very close to each other constantly, the job requirement of ability well adapted coiling machine high speed, heavy duty.Even bearing temperature changes during work, spring bearer plate can produce flexible, guarantees that the play of double-row conical bearing still is in zero or little negative optimum Working, has reduced noise, has prolonged the life-span of bearing.
Description of drawings
Fig. 1 is the axial direction positioning device structural representation of double-row conical bearing on the existing coiler mandrel.
Fig. 2 is the axial direction positioning device structural representation of double-row conical bearing on the utility model coiler mandrel.
Among the figure, 1. bearing inner race left side abutment sleeve, 2. bearing outer ring left end gland, the 3. two outer rings of bearing, 4. spacer ring in the middle of pair outer ring, 5. bearing inner race, 6. right abutment sleeve, 7. bearing outer ring right-hand member gland, 8. spring bearer plate, 9. roller of bearing inner race.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
The structure of the axial direction positioning device of double-row conical bearing on the existing coiler mandrel; As shown in Figure 1; Be provided with bearing inner race 5 at the outerface of spindle; Bearing inner race 5 outsides are disposed with spacer ring 4 in the middle of roller 9, the two outer rings 3 of bearing, the two outer ring, and spacer ring 4 constitutes tapered roller bearing in the middle of bearing inner race 5, roller 9, the two outer rings 3 of bearing and the two outer rings.Wherein, the two outer rings 3 of bearing be about two, two two outer rings 3 of bearing are separated by spacer rings 4 in the middle of two outer rings.The main shaft in tapered roller bearing left side is provided with bearing inner race left side abutment sleeve 1, and the outer installment of bearing inner race left side abutment sleeve 1 has bearing outer ring left end gland 2, and the main shaft on tapered roller bearing right side is provided with the right abutment sleeve 6 of bearing inner race.Bearing inner race left side abutment sleeve 1 is used for fixing bearing inner race 5 with the right abutment sleeve 6 of bearing inner race, and bearing outer ring left end gland 2 is used for fixing the two outer rings 3 of bearing.
Existing axial direction positioning device;, load big because of the coiler mandrel bearing size weighs, rotating speed is high; So will rationally provide the play of tapered roller bearing according to the installation cooperation of bearing enclose, the load of bearing, the working speed of bearing, the composite factors such as lubrication state of bearing, thereby determine the thickness of the middle spacer ring 4 in two outer rings.Yet, confirm the reasonable installation play of tapered roller bearing, quite difficulty.This just causes the coiling machine double-row conical bearing of design or play is installed bigger than normal, or it is less than normal that play is installed.
The structure of the axial direction positioning device of double-row conical bearing is as shown in Figure 2 on the utility model coiler mandrel.Be provided with bearing inner race 5 at the outerface of spindle, bearing inner race 5 outsides are disposed with roller 9, the two outer rings 3 of bearing, and bearing inner race 5, roller 9, the two outer rings 3 of bearing constitute tapered roller bearing.The main shaft in tapered roller bearing left side is provided with bearing inner race left side abutment sleeve 1, and the outer installment of bearing inner race left side abutment sleeve 1 has bearing outer ring left end gland 2; The main shaft on tapered roller bearing right side is provided with the right abutment sleeve 6 of bearing inner race, in right abutment sleeve 6 outer installment of bearing inner race bearing outer ring right-hand member gland 7 is arranged.Bearing inner race left side abutment sleeve 1 and the right abutment sleeve 6 of bearing inner race respectively with 5 liang of end in contact of bearing inner race; Bearing inner race left side abutment sleeve 1 is used for fixing bearing inner race 5 with the right abutment sleeve 6 of bearing inner race; Be respectively arranged with spring bearer plate 8 in bearing outer ring left end gland 2 and bearing outer ring right-hand member gland 7 inboards, spring bearer plate 8 contacts with the two outer rings 3 of bearing.Bearing outer ring left end gland 2, bearing outer ring right-hand member gland 7 are used for fixing the two outer rings 3 of bearing with spring bearer plate 8.
The axial direction positioning device of double-row conical bearing on the utility model coiler mandrel; In the rotation process of roller 9; Spring bearer plate 8 acts on the two outer rings 3 of bearing constantly; The two outer rings 3 of bearing inner race 5, roller 9, bearing of double-row conical bearing are abutted against together all the time, and double-row conical bearing becomes bearing very close to each other constantly, the job requirement of ability well adapted coiling machine high speed, heavy duty.Even bearing temperature changes when working, spring bearer plate 8 can produce flexible, guarantees that the play of double-row conical bearing still is in zero or little negative optimum Working, has reduced noise, has prolonged the life-span of bearing.
Claims (1)
1. the axial direction positioning device of double-row conical bearing on the coiler mandrel; It is characterized in that; Be provided with bearing inner race (5) at the outerface of spindle; Bearing inner race (5) outside is disposed with roller (9) and the two outer rings (3) of bearing; Said bearing inner race (5), roller (9), the two outer rings (3) of bearing constitute tapered roller bearing, and the main shaft of tapered roller bearing one side is provided with bearing inner race left side abutment sleeve (1), and the outer installment of bearing inner race left side abutment sleeve (1) has bearing outer ring left end gland (2); The main shaft of tapered roller bearing opposite side is provided with the right abutment sleeve (6) of bearing inner race; The outer installment of the right abutment sleeve of bearing inner race (6) has bearing outer ring right-hand member gland (7), said bearing inner race left side abutment sleeve (1) and the right abutment sleeve of bearing inner race (6) respectively with bearing inner race (5) two end in contact, be used for fixing bearing inner race (5); Said bearing outer ring left end gland (2) is respectively arranged with spring bearer plate (8) with bearing outer ring right-hand member gland (7) inboard, and spring bearer plate (8) contacts with the two outer rings (3) of bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120535094 CN202360602U (en) | 2011-12-14 | 2011-12-14 | Axial positioning device of double row tapered roller bearings on drum of rolling-up machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120535094 CN202360602U (en) | 2011-12-14 | 2011-12-14 | Axial positioning device of double row tapered roller bearings on drum of rolling-up machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360602U true CN202360602U (en) | 2012-08-01 |
Family
ID=46571791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120535094 Expired - Lifetime CN202360602U (en) | 2011-12-14 | 2011-12-14 | Axial positioning device of double row tapered roller bearings on drum of rolling-up machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680083A (en) * | 2018-07-26 | 2018-10-19 | 上海联合滚动轴承有限公司 | A kind of measuring device of axial clearance of double-row conical bearing |
-
2011
- 2011-12-14 CN CN 201120535094 patent/CN202360602U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680083A (en) * | 2018-07-26 | 2018-10-19 | 上海联合滚动轴承有限公司 | A kind of measuring device of axial clearance of double-row conical bearing |
| CN108680083B (en) * | 2018-07-26 | 2024-03-22 | 上海联合滚动轴承有限公司 | Measuring device for axial clearance of double-row tapered roller bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |