CN208106992U - A kind of lengthening tapered roller bearing - Google Patents
A kind of lengthening tapered roller bearing Download PDFInfo
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- CN208106992U CN208106992U CN201820588269.XU CN201820588269U CN208106992U CN 208106992 U CN208106992 U CN 208106992U CN 201820588269 U CN201820588269 U CN 201820588269U CN 208106992 U CN208106992 U CN 208106992U
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- bearing
- ring
- lengthening
- bearing block
- positioning ring
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Abstract
The utility model provides a kind of lengthening tapered roller bearing, and the bearing is set on roll mandrel, and positioning ring is arranged in bearing and roll mandrel shaft shoulder contact position, and loop-shaped is matched with shape at the roll mandrel shaft shoulder in positioning ring, and the positioning ring is connect with bearing seal.The utility model improves the space structure of milling train enclosure interior, lengthens bearing axial length, greatly improves bearing life, dispersed the radial shear power of roll mandrel, protected and be not broken at the shaft shoulder of roll mandrel.
Description
Technical field
The utility model belongs to machinery field, and in particular to a kind of lengthening tapered roller bearing.
Background technique
As many as several meters of steel mill's milling train height, constantly shuts out countless steel plates, since the radial force axial force of milling train is all non-daily
Chang great leads to breakage problem often occur at the roll mandrel shaft shoulder, replaces a milling train axis to steel mill's bring and loses very big, steel
Factory entrusts the good method always not solved everywhere.If roll mandrel overstriking is again without the position of the dress components such as bearing and sealing lubrication
It sets.The position that bearing is filled in milling train is also very limited, and bearing connecting device, the milling train seal closure dress being connected with bearing
It sets, sealing ring, isolating pad, refueling device, accounts for the very big position of roll mandrel, it is compact-sized, it is not easy to improve, the working efficiency of milling train
It is very high, and the not time of interval, but when roll mandrel is broken, when being replaced, milling train must stop working, and give
Steel mill causes very big loss, it is also very desirable to carry out technology upgrading transformation.
Summary of the invention
To solve the above problems, the purpose of the utility model is to provide a kind of lengthening tapered roller bearings, to axis at the shaft shoulder
It holds progress tradition and improves utility model, remove bearing block, the seal closure on roll main shaft, sealing ring and isolating pad, by this part
All structures and space give design bearing, in the bearing of lengthening, bearing both ends are changed to lantern ring sealing device structure, will
The circular arc of roll pins shoulder junction increases, and connect with the inner ring of orthodrome, bears most of shearing force by bearing, is equivalent to
Roll overstriking solves the problems, such as that roll axle fracture, bearing are easy to damage.
To achieve the above object, technical solution used by the utility model is：A kind of lengthening tapered roller bearing, it is described
Bearing inner race is set on roll mandrel, and positioning ring, loop-shaped and roll in positioning ring is arranged in bearing and roll mandrel shaft shoulder contact position
Shape matches at the axis shaft shoulder, and the positioning ring is connect with bearing seal.
Further, the lengthening tapered roller bearing further includes bearing block, and the bearing sleeve is located at bearing and positioning
The outside of ring, bearing block one end are connected with positioning ring, and the other end is connected with the half a coupler on roll mandrel.
Further, the positioning ring is in contact with orthodrome at the roll mandrel shaft shoulder, and camber ratio is arranged at the orthodrome
Arm's length standard increases 3-5 times, and loop-shaped is matched with the radian shape at the roll mandrel shaft shoulder in positioning ring.
Further, the positioning ring outer ring is provided with cyclic annular positioning protrusion, setting and cyclic annular positioning protrusion on bearing block
The groove matched, positioning ring are connect with bearing block by cyclic annular positioning protrusion and groove.
Further, the first pressing plate is set between the positioning ring and bearing block, and the first pressing plate is arranged in bearing block groove
Lower section, the first pressing plate is connected by bolt with bearing block, and the first pressing plate is close to the first spacer ring of the side of bearing setting.
Further, the bearing block is connect with half a coupler by transparent cover, and the transparent cover is set in half a coupler and tight
It is pressed on bearing block, is fixedly connected with the bearing seat on the outside of transparent cover by bolt, pass through the second spacer ring and half a coupler on the inside of transparent cover
It is tightly connected, the second pressing plate is arranged far from one end of bearing block in the transparent cover, and the second pressing plate is connect by bolt with transparent cover.
Further, pressure ring is set between the transparent cover and bearing, and the lower section of bearing block is arranged in pressure ring.
Further, oil duct is set in the bearing block, and the first branch of oil duct is connected to bearing, the connection of the second branch of oil duct
To bearing block and positioning ring sealing.
Further, the bearing block is ball bearing housing, and bearing block outer diameter is cambered surface.
Further, the bearing includes inner ring, outer ring, retainer and roller, and retainer is arranged between inner ring and outer ring,
Roller is set in retainer pocket hole, and the roller setting two arranges, and two column roller lengths are unequal.
Further, long roller and short roller length ratio are 7 in the two column roller：3.
Further, the lengthening conic bearing outer ring outer diameter is set as arc, matches with bearing block.
The beneficial effects of the utility model are：The utility model improves the space structure of milling train enclosure interior, extension shaft
Axial length is held, bearing life is greatly improved, has dispersed the radial shear power of roll mandrel, has protected and do not sent out at the shaft shoulder of roll mandrel
Raw fracture.
Detailed description of the invention
Fig. 1 is rolling mill roll axis installation diagram,
Fig. 2 is 1 structural schematic diagram of embodiment,
Fig. 3 is ball bearing housing structural schematic diagram,
Fig. 4 is 2 structural schematic diagram of embodiment,
In figure：1, bearing, 2, roll mandrel, 3, the roll mandrel shaft shoulder, 4, positioning ring, 5, ball bearing housing, 6, half shaft coupling
Device, 7, cyclic annular positioning protrusion, the 8, first pressing plate, the 9, first spacer ring, 10, transparent cover, the 11, second spacer ring, the 12, second pressure
Plate, 13, pressure ring, 14, oil duct, 15, quick coupling, 16, block, 17, groove, 18, long roller, 19, short roller,
20, the first outer ring, the 21, second outer ring, 22, inner ring.
Specific embodiment
To be more clear the purpose of this utility model, technical solution and advantage, 1 pair of the utility model with reference to the accompanying drawing
It is illustrated.
Embodiment 1
A kind of lengthening tapered roller bearing, the bearing 1 are set on roll mandrel 2, and bearing 1 is contacted with the roll mandrel shaft shoulder 3
Positioning ring 4 is arranged in place, and loop-shaped is matched with shape at the roll mandrel shaft shoulder 3 in positioning ring 4, and the positioning ring 4 is sealed with bearing 1
Connection.Bearing sleeve is located at the outside of bearing 1 Yu positioning ring 4, and bearing block one end is connected with positioning ring 4, the other end and roll mandrel
On half a coupler 6 be connected, for the bearing block it is preferable to use ball bearing housing 5, bearing block outer diameter is cambered surface, 5 outer diameter of ball bearing housing
Cambered surface can play effectively dispersion radial shear power, provide the function of protection for roll mandrel 2, the axial length of ball bearing housing 5 is big
In the axial length of bearing 1, ball bearing housing is set on bearing and is fixedly connected with bearing, plays the work of protection bearing intensity
With.
The positioning ring 4 is in contact with orthodrome at the roll mandrel shaft shoulder 3, and camber ratio arm's length standard is arranged at the orthodrome
3-5 times is increased, loop-shaped is matched with the radian shape at the roll mandrel shaft shoulder 3 in positioning ring 4.
Further, 4 outer ring of positioning ring is provided with cyclic annular positioning protrusion 7, and setting is positioned with cyclic annular on ball bearing housing
The groove 17 that protrusion 7 matches, positioning ring 4 passes through cyclic annular positioning protrusion 7 with ball bearing housing 5 and groove 17 is connect.The positioning
First pressing plate 8 is set between ring 4 and ball bearing housing 5, and the lower section of ball bearing housing groove 17, the first pressing plate 8 is arranged in the first pressing plate 8
It is connected by bolt with ball bearing housing 5, the first spacer ring 9 is arranged close to the side of bearing 1 in the first pressing plate 8, is equipped in the first spacer ring 9
Oil sealing plays sealing function.
Further, the ball bearing housing 5 is connect with half a coupler 6 by transparent cover 10, and the transparent cover 10 is set in half
It on axis device 6 and is pressed on ball bearing housing 5, is fixedly connected by bolt with ball bearing housing 5 on the outside of transparent cover 10, led on the inside of transparent cover 10
It crosses the second spacer ring 11 to be tightly connected with half a coupler 6, oil sealing is equipped in the second spacer ring 11 and plays sealing function, the transparent cover 10 is remote
The second pressing plate 12 is arranged in one end from ball bearing housing 5, and the second pressing plate 12 is connect by bolt with transparent cover 10.The transparent cover 10 and axis
It holds setting pressure ring 13, pressure ring 13 between 1 and the lower section of ball bearing housing 5 is set.
Further, oil duct 14 is set in the ball bearing housing 5, the first branch of oil duct is connected to bearing 1, and oil duct second divides
Branch is connected at ball bearing housing 5 and 4 sealing of positioning ring.Ball bearing housing 5 is arranged in close to the one of half a coupler 6 in the pouring orifice of oil duct
It holds, quick coupling 15 is set at pouring orifice.
Ball bearing housing 5 is pressed on bearing 1 by components such as the first pressing plate 8, transparent cover 10, the second pressing plate 12, pressure rings 13, and
Guarantee that each component of each component connects reliable non-loosening.
The ball bearing housing 5 is provided with inwardly projecting block 16, block and bearing outer ring 17 close to the internal diameter of the shaft shoulder
End face contact, bearing 1 is pressed on ball bearing housing 5 by transparent cover 10, the second pressing plate 12 and pressure ring 13.
Preferably, the lengthening conic bearing outer ring outer diameter may be configured as arc, match with bearing block, and dispersion roll rolls
Roll shaft shaft shoulder shearing force.
Embodiment 2
A kind of lengthening tapered roller bearing, the bearing 1 are set on roll mandrel 2, and bearing 1 is contacted with the roll mandrel shaft shoulder 3
Positioning ring 4 is arranged in place, and loop-shaped is matched with shape at the roll mandrel shaft shoulder 3 in positioning ring 4, and the positioning ring 4 is sealed with bearing 1
Connection.Bearing sleeve is located at the outside of bearing 1 Yu positioning ring 4, and bearing block one end is connected with positioning ring 4, the other end and roll mandrel
On half a coupler 6 be connected, for the bearing block it is preferable to use ball bearing housing 5, bearing block outer diameter is cambered surface, 5 outer diameter of ball bearing housing
Cambered surface can play effectively dispersion radial shear power, provide the function of protection for roll mandrel 2, the axial length of ball bearing housing 5 is big
In the axial length of bearing 1, ball bearing housing is set on bearing and is fixedly connected with bearing, plays the work of protection bearing intensity
With.
Further, the positioning ring 4 is in contact with orthodrome at the roll mandrel shaft shoulder 3, and radian is arranged at the orthodrome
3-5 times is increased than arm's length standard, loop-shaped is matched with the radian shape at the roll mandrel shaft shoulder 3 in positioning ring 4.
Further, 4 outer ring of positioning ring is provided with cyclic annular positioning protrusion 7, and setting is positioned with cyclic annular on ball bearing housing
The groove that protrusion 7 matches, positioning ring 4 are connect with ball bearing housing 5 by cyclic annular positioning protrusion 7 and groove.The positioning ring 4 with
First pressing plate 8 is set between ball bearing housing 5, and the lower section of ball bearing housing groove is arranged in the first pressing plate 8, and the first pressing plate 8 passes through spiral shell
Bolt is connected with ball bearing housing 5, and the first spacer ring 9 is arranged close to the side of bearing 1 in the first pressing plate 8, rises in the first spacer ring 9 equipped with oil sealing
To sealing function.
Further, the ball bearing housing 5 is connect with half a coupler 6 by transparent cover 10, and the transparent cover 10 is set in half
It on axis device 6 and is pressed on ball bearing housing 5, is fixedly connected by bolt with ball bearing housing 5 on the outside of transparent cover 10, led on the inside of transparent cover 10
It crosses the second spacer ring 11 to be tightly connected with half a coupler 6, oil sealing is equipped in the second spacer ring 11 and plays sealing function, the transparent cover 10 is remote
The second pressing plate 12 is arranged in one end from ball bearing housing 5, and the second pressing plate 12 is connect by bolt with transparent cover 10.The transparent cover 10 and axis
It holds setting pressure ring 13, pressure ring 13 between 1 and the lower section of ball bearing housing 5 is set.
Further, oil duct 14 is set in the ball bearing housing 5, the first branch of oil duct is connected to bearing 1, and oil duct second divides
Branch is connected at ball bearing housing 5 and 4 sealing of positioning ring.Ball bearing housing 5 is arranged in close to the one of half a coupler 6 in the pouring orifice of oil duct
It holds, quick coupling 15 is set at pouring orifice.
Ball bearing housing 5 is pressed on bearing 1 by components such as the first pressing plate 8, transparent cover 10, the second pressing plate 12, pressure rings 13, and
Guarantee that each component of each component connects reliable non-loosening.
The ball bearing housing 5 is provided with inwardly projecting block 16, block and bearing outer ring 17 close to the internal diameter of the shaft shoulder
End face contact, bearing 1 is pressed on ball bearing housing 5 by transparent cover 10, the second pressing plate 12 and pressure ring 13.
The bearing includes inner ring, outer ring, retainer and roller, and retainer, retainer pocket are arranged between inner ring and outer ring
Roller is set in hole, and the roller setting two arranges, and two column roller lengths are unequal.
Preferably, the lengthening conic bearing outer ring outer diameter is set as arc, matches with bearing block, disperses roll roll
Axis shaft shoulder shearing force.
Preferably, long roller 18 and short 19 length ratio of roller are 7 in the two column roller：3.
Roll is inclined-plane, and rolling mill bearing is double row tapered roller bearing, and rolling mill bearing axial force in use only has single-row
It bears, while this column bearing will also be with another column shared radial force.Since interaction distance of the tapered roll stick to milling train is round
Taper, so very of short duration with the symmetrical tapered roller bearing service life, cone angle small position stress in one side is serious, and raceway is quickly
Wear-out failure, and the small roller raceway of other end stress is almost without abrasion, therefore rolling mill bearing is improved, use is not right
Claiming tapered roller bearing is exactly that two row tapered roller length are different, and the long column of a column are short, and bearing carries out Radix Notoginseng boundary, stress weight
One end length be 70%, the light one end 30% of stress, long one is listed in the small side of milling train club angle, and interior rollaway nest and
The biserial length of outer rollaway nest is different.Bearing is in use in this way, and the small end of long raceway and rolling element receiving circular cone roll is ground
Pressure.Short rolling element small end bears the big end power of circular cone roll.Improve 5 times of bearing lives.
By the transformation to Bearing outer bearing block and its Hermetical connecting structure and Bearing inner rolling element, milling train is alleviated
The destruction to roll mandrel and bearing of radial force and axial force, extend the service life of roll mandrel and bearing, improve work
Efficiency and economic benefit.
Claims (10)
1. a kind of lengthening tapered roller bearing, it is characterised in that：The bearing is set on roll mandrel, bearing and the roll mandrel shaft shoulder
Positioning ring is arranged in contact position, and loop-shaped is matched with shape at the roll mandrel shaft shoulder in positioning ring, the positioning ring and bearing seal
Connection.
2. a kind of lengthening tapered roller bearing according to claim 1, it is characterised in that：It further include bearing block, the axis
The outside that cover for seat is located at bearing and positioning ring is held, bearing block one end is connected with positioning ring, half shaft coupling on the other end and roll mandrel
Device is connected.
3. a kind of lengthening tapered roller bearing according to claim 2, it is characterised in that：The positioning ring and roll mandrel axis
Orthodrome is in contact at shoulder, and camber ratio arm's length standard is arranged at the orthodrome and increases 3-5 times, loop-shaped and roll in positioning ring
Radian shape at the axis shaft shoulder matches, and the positioning ring outer ring is provided with cyclic annular positioning protrusion, setting and ring-type on bearing block
The groove that positioning protrusion matches, positioning ring are connect with bearing block by cyclic annular positioning protrusion and groove.
4. a kind of lengthening tapered roller bearing according to claim 3, it is characterised in that：The positioning ring and bearing block it
Between the first pressing plate is set, the lower section of bearing block groove is arranged in the first pressing plate, and the first pressing plate is connected by bolt with bearing block, the
The first spacer ring is arranged close to the side of bearing in one pressing plate.
5. a kind of lengthening tapered roller bearing according to claim 2, it is characterised in that：The bearing block and half a coupler
It is connected by transparent cover, the transparent cover is set in half a coupler and is pressed on bearing block, passes through bolt and bearing block on the outside of transparent cover
It is fixedly connected, is tightly connected on the inside of transparent cover by the second spacer ring and half a coupler, the transparent cover is arranged far from one end of bearing block
Second pressing plate, the second pressing plate are connect by bolt with transparent cover.
6. a kind of lengthening tapered roller bearing according to claim 5, it is characterised in that：It is set between the transparent cover and bearing
Pressure ring is set, the lower section of bearing block is arranged in pressure ring.
7. a kind of lengthening tapered roller bearing according to claim 2, it is characterised in that：Setting oil in the bearing block
Road, the first branch of oil duct are connected to bearing, and the second branch of oil duct is connected at bearing block and positioning ring sealing.
8. a kind of lengthening tapered roller bearing according to any one of claim 2-7, it is characterised in that：The bearing
Seat is ball bearing housing, and bearing block outer diameter is cambered surface.
9. a kind of lengthening tapered roller bearing according to claim 1, it is characterised in that：The bearing includes inner ring, outer
Retainer is arranged in circle, retainer and roller between inner ring and outer ring, roller, the roller setting two are arranged in retainer pocket hole
Column, two column roller lengths are unequal.
10. a kind of lengthening tapered roller bearing according to claim 9, it is characterised in that：Long rolling in the two column roller
Sub and short roller length ratio is 7：3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588269.XU CN208106992U (en) | 2018-04-24 | 2018-04-24 | A kind of lengthening tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588269.XU CN208106992U (en) | 2018-04-24 | 2018-04-24 | A kind of lengthening tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208106992U true CN208106992U (en) | 2018-11-16 |
Family
ID=64116506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820588269.XU Active CN208106992U (en) | 2018-04-24 | 2018-04-24 | A kind of lengthening tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208106992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361287A (en) * | 2018-04-24 | 2018-08-03 | 瓦房店爱国轴承研究院有限公司 | Lengthen taper roll bearing |
-
2018
- 2018-04-24 CN CN201820588269.XU patent/CN208106992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361287A (en) * | 2018-04-24 | 2018-08-03 | 瓦房店爱国轴承研究院有限公司 | Lengthen taper roll bearing |
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