CN2075279U - Bearing with more row of roller - Google Patents
Bearing with more row of roller Download PDFInfo
- Publication number
- CN2075279U CN2075279U CN90209782U CN90209782U CN2075279U CN 2075279 U CN2075279 U CN 2075279U CN 90209782 U CN90209782 U CN 90209782U CN 90209782 U CN90209782 U CN 90209782U CN 2075279 U CN2075279 U CN 2075279U
- Authority
- CN
- China
- Prior art keywords
- bearing
- roller
- rollers
- bearing inner
- row
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
- F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
Abstract
The utility model relates to a rolling bearing with a plurality of rows of rollers, which is mainly used for a rolling mill to bear radial and axial loads. The structure of the utility model adopts the combination of two rows of cylinder bearings which are arranged on both sides of the bearing with a plurality of rows of rollers and two rows of cone rollers which are arranged on the middle of the bearing with a plurality of rows of rollers; the end surfaces of the inner ring and the outer ring of each bearing are clung; the inner ring of the bearing and a main shaft are allowed to be have a certain displacement corresponding to the outer ring of the bearing. The utility model has the advantages of compact structure, simple decoration and large bearing capacity, and can substantially increase limit speed to increase the production efficiency. The bearing with a plurality of rows of rollers can be widely used for large-size and heavy-load mechanical devices and particularly suitable for the support structure of the main shaft of the rolling mill.
Description
The utility model relates to a kind of bearings with rolling contact that is mainly used in the band multiple row roller that bears radial and axial load on the milling train.
Disclosing a kind of application number in the Chinese patent gazette on June 11st, 1 is 85203336 " milling train holds with four row short cylindrical roller shaft ".Its objective is that reducing outside dimension is the relative inside and outside circle of bearing and roller radial dimension and the relative roller quantity that increases of reducing with the radially bearing capacity that improves bearing, formation.Deficiency is to bear radial load, thus the axial load of roll need set up in addition thrust-bearing support make the roll bearing complex structure, increase to make, decoration cost.
Also disclosing a kind of application number in the Chinese patent gazette on August 17th, 1 is 85108036 also to be " multirow roller bearing " that is used for milling train.Main structure is made up of parts such as the annular spacer ring between four row tapered rollers, a pair of inner race, three outer races and seat ring and maintenance, sealings.Middle two row tapered rollers are that miner diameter end is relative.Deficiency is that the roll radial load has limited roll rotational speed by the tapered roller bearing supporting, make milling train efficient be difficult to improve, and the manufacturing decoration cost of this bearing is also more high.
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art and a kind of milling train high speed radial-thrust bearing with multiple row cylinder, tapered roller combination is provided.
The purpose of this utility model can realize by following structure: multirow roller beaing comprises the retainer 12,13,14,15 that is provided with between 1,2,3, four bearing outer rings of three adjacent bearing inner races, 4,5,6,7, two row cylinder rollers 8,9, two row tapered rollers, 10,11 each row roller and spacer ring 16 and other annex and the supplementary structure between bearing outer ring.Specialization of the present utility model is that it is cylindrical raceway inner rings 1,3 that bearing inner race is arranged as two ends, and the centre is that the double row tapered roller axis of a cylinder that external diameter is provided with two tapered roller raceways 17,18 of intermediate projections holds inner ring 2.Be equipped with two row miner diameter ends in the raceway 17,18 respectively towards the tapered roller 10,11 of bearing inner race 2 both ends of the surface.The bigger diameter end face 19,20 of relative tapered roller 10,11 can be by thrust surface 21,22 restrictions of raceway 17,18 in the lug boss both sides of bearing inner race 2.Be provided with annular spacer ring 16 between two taper roller bearing bearing outer-rings, 5,6 end faces of corresponding two row tapered rollers, 10,11 external diameters.Cylinder roller bearing inner ring 1,3 and its outer ring 4,7 are separately positioned on the two ends of tapered roller bearing inner ring 2 and the outer end of taper roller bearing bearing outer-ring 5,6.In the assembling using process three bearing inner races each other end face near, also abut one another between four bearing outer rings and the spacer ring end face.Axially allow displacement between the two row cylinder rollers bearing outer ring ball track relatively separately.Can make between the two row tapered roller external diameters bearing outer ring internal diameter raceway relatively separately by adjustment and to guarantee to have enough gaps the axial dimension of spacer ring 16.Promptly in fact in use allow bearing inner race to have certain moving axially together with the diameter of axle.The cylinder roller path 23,24 that cylinder roller bearing inner ring 1,3 external diameters are provided with is for can limit cylinder roller 8,9 axially movable concave cylindrical roller paths.On the internal diameter of bearing inner race 1,2,3, be provided with annular groove or spiral chute 25.On the end face of bearing inner race 1,2,3 and bearing outer ring 4,5,6,7, also offer oil groove 26.
Accompanying drawing is the utility model specific embodiment structure cross-sectional schematic.
The utility model has following advantage compared to existing technology:
1. what main shaft bore decomposes in the utility model bearing structure with joint efforts, and the radial force of the overwhelming majority is born by two row cylinder roller bearings, and whole axial forces and a fraction of radial force are born by the two-way tapered roller bearing of two row.Because reduce the radial force of tapered roller bearing significantly, and roller mill main axle mainly is to bear bigger radial force, therefore the limit speed of a whole set of bearing can increase substantially.
2. compact structure, easy processing, easy to assembly, durable in use can be widely used in large-scale, the heavy load machinery, is particularly useful in the roller mill main axle supporting structure.
Claims (3)
1, multirow roller beaing, comprise three bearing inner races 1,2,3, four bearing outer rings 4,5,6,7 liang of row cylinder rollers 8,9, two row tapered rollers 10,11 and roller rolling retainer 12,13,14,15 and other annex, it is characterized in that the external diameter of bearing inner race 2 is provided with two tapered roller raceways 17 of intermediate projections, 18, raceway 17, be equipped with two row miner diameter ends in 18 respectively towards the tapered roller 10 of bearing inner race 2 both ends of the surface, 11, relative tapered roller 10,11 bigger diameter end face 19,20 can be by raceway 17,18 thrust surfaces 21 in the lug boss both sides, 22 restrictions, corresponding two row tapered rollers 10, two taper roller bearing bearing outer-rings 5 of 11 external diameters, be provided with annular outer ring spacer 16 between 6, cylinder roller bearing inner ring 1,3 and its outer ring 4,7 are separately positioned on the two ends and the taper roller bearing bearing outer-ring 5 of tapered roller bearing inner ring 2,6 outer end.
2, multirow roller beaing according to claim 1 is characterized in that cylinder roller path 23,24 that cylinder roller bearing inner ring 1,3 external diameters are provided with is for can limit cylinder roller 8,9 axially movable concave cylindrical roller paths.
3, multirow roller beaing according to claim 1 and 2 is characterized in that the internal diameter of bearing inner race 1,2,3 is provided with annular groove or spiral chute 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90209782U CN2075279U (en) | 1990-07-03 | 1990-07-03 | Bearing with more row of roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90209782U CN2075279U (en) | 1990-07-03 | 1990-07-03 | Bearing with more row of roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2075279U true CN2075279U (en) | 1991-04-17 |
Family
ID=4889774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90209782U Withdrawn CN2075279U (en) | 1990-07-03 | 1990-07-03 | Bearing with more row of roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2075279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8007183B2 (en) | 2006-02-24 | 2011-08-30 | Schaeffler Kg | Double-row angular contact anti-friction bearing comprising a split outer bearing ring and a one-piece inner bearing ring |
| CN106763166A (en) * | 2016-12-27 | 2017-05-31 | 太原科技大学 | A kind of four row cylinders and taper roller combination bearing |
-
1990
- 1990-07-03 CN CN90209782U patent/CN2075279U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8007183B2 (en) | 2006-02-24 | 2011-08-30 | Schaeffler Kg | Double-row angular contact anti-friction bearing comprising a split outer bearing ring and a one-piece inner bearing ring |
| CN106763166A (en) * | 2016-12-27 | 2017-05-31 | 太原科技大学 | A kind of four row cylinders and taper roller combination bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |