CN201461733U - Double-row tapered roller bearing and flat guide rail thereby - Google Patents
Double-row tapered roller bearing and flat guide rail thereby Download PDFInfo
- Publication number
- CN201461733U CN201461733U CN2009200753000U CN200920075300U CN201461733U CN 201461733 U CN201461733 U CN 201461733U CN 2009200753000 U CN2009200753000 U CN 2009200753000U CN 200920075300 U CN200920075300 U CN 200920075300U CN 201461733 U CN201461733 U CN 201461733U
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- Prior art keywords
- bearing
- double
- axle
- inner race
- outer ring
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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
- F16C19/386—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 in O-arrangement
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a double-row tapered roller bearing and a flat guide rail thereby. The double-row tapered roller bearing comprises an outer bearing ring, inner bearing rings and a plurality of rollers. Two inner bearing rings are reversely arranged in the outer bearing ring, and conic rolling paths are arranged on the inner bearing rings. The roller rings are arranged in the conic rolling paths, and the rollers are conic balls. The inner wall of the outer bearing ring is two segments of opposite conic surfaces, the conic surfaces respectively form an inclined angle with the relative conic rolling paths of the inner bearing rings, and a clearance adjusting ring is arranged between the inner bearing rings. The flat guide rail using the double-row tapered roller bearing comprises a plurality of double-row tapered roller bearings for pivoting equipment and at least one flat guide rail. The outer rings of the double-row tapered roller bearings are cylindrical surfaces, and the cylindrical surfaces are compressed and connected with the flat guide rail. The utility model adopting tapered balls as rolling bodies can simultaneously bear axial and radial loads. The utility model has the advantages of broad application range, light weight, strong loading capability and long service life.
Description
Technical field
The utility model relates to the roller bearing system, particularly a kind of double-row conical bearing and the level gauge that uses this bearing.
Background technique
At present, every field all needs to use bearing, and the kind of bearing also has a lot.Can be divided into by its loading direction that can bear: 1. radial bearing, claim radial bearing again, bear radial load.2. thrust bearing claims thrust-bearing again, bears thrust load.3. radial-thrust bearing claims radial thrust bearing again, bears radial load and thrust load simultaneously.Frictional property difference by bearing working can be divided into sliding friction bearing (abbreviation sliding bearing) and rolling friction bearing (abbreviation rolling bearing) two big classes.
Outer ring and roll assembly wherein has the heavy wall outer ring, and roller can directly roll on raceway, and can bear big load; The outer ring outer surface of outer ring and roll assembly is cylinder or arc, and arc can be avoided edge stress.
Chinese patent publication number: CN201232706 discloses a kind of outer ring and roll assembly, and it comprises bearing outer ring, bearing inner race, some needle rollers, two Sealings, two loose ribs.The two ends of bearing outer ring are respectively arranged with counterbore, the two ends of bearing inner race are respectively arranged with the seam circle, loose rib is separately positioned in the counterbore at two ends of bearing outer ring, two seal rings are separately positioned on the outer circumferential face of loose rib, the endoporus of two loose ribs respectively with the external diameter transition fit of two seam circles of bearing inner race, in the cooperation place of the seam circle and the loose rib endoporus at bearing inner race two ends, uniform 4～8 riveted points respectively.This bearing as rolling element, can only bear radial load with needle roller, can not bear thrust load, and application area is narrow, and the Heavy Weight bearing capacity is low, and working life is short.
The model utility content
The purpose of this utility model is, the level gauge that a kind of double-row conical bearing is provided and uses this bearing has overcome the difficulty of prior art, bear axial, radial load simultaneously to reach, have wide range of applications, in light weight, bearing capacity is strong, increases the purpose in working life.
The utility model adopts following technological scheme:
A kind of double-row conical bearing of the utility model, comprise: bearing outer ring, bearing inner race and some rollers, the two bearings inner ring oppositely is set in the described bearing outer ring, described bearing inner race is provided with tapered raceway, described roller ring is located in the described tapered raceway, and described roller is the circular cone ball, and the inwall of described bearing outer ring is two sections relative conical surfaces, the described conical surface is angle with the tapered raceway of corresponding described bearing inner race respectively, is provided with a gap adjustment circle between the two bearings inner ring.
Further, also comprise: an axle and a bearing friction top, described bearing inner race and described gap adjustment circle are arranged on the outer surface of described axle, described bearing friction top is fixed in first end of described axle, described axle is provided with an annular shoulder, and described bearing friction top and described annular shoulder clamp described bearing inner race and described gap adjustment circle.
Further, the single described bearing inner race ring roller quantity of establishing is 15 to 25; The included angle A in the axle center of described roller and the axle center of described bearing outer ring is the 10-17 degree;
Further, the single described bearing inner race ring roller quantity of establishing is 18.
Further, the included angle A of the shaft axis of the shaft axis of described roller and described bearing outer ring is 14 degree.
Further, first end of described axle is provided with tapped hole vertically, and the central authorities of described bearing friction top are provided with one vertically and have externally threaded locating stud, and this locating stud is threaded with described tapped hole.
Further, be threaded on second end of described axle a pad and a locking nut.
A kind of level gauge that uses double-row conical bearing, be used for equipment along the level gauge translation, comprise: the double-row conical bearing of some pivot joint equipment and at least one level gauge, this double-row conical bearing comprises: bearing outer ring, bearing inner race and some rollers, wherein bearing outer ring is the cylndrical surface, this this level gauge of cylndrical surface crimping, the two bearings inner ring oppositely is set in the described bearing outer ring, described bearing inner race is provided with tapered raceway, described roller ring is located in the described tapered raceway, described roller is the circular cone ball, the inwall of described bearing outer ring is two sections relative conical surfaces, the described conical surface is angle with the tapered raceway of corresponding described bearing inner race respectively, is provided with a gap adjustment circle between the two bearings inner ring;
Vertically be interval with some positioning holes on the medial axis of described level gauge, the width of described level gauge is more than or equal to the width of described bearing outer ring.
Further, described double-row conical bearing also comprises an axle and a bearing friction top, described bearing inner race and described gap adjustment circle are arranged on the outer surface of described axle, described bearing friction top is fixed in first end of described axle, described axle is provided with an annular shoulder, and described bearing friction top and described annular shoulder clamp described bearing inner race and described gap adjustment circle.
Further, the both sides of described level gauge upper surface are respectively equipped with chamfering.
Further, the single described bearing inner race ring roller quantity of establishing is 15 to 25; The included angle A in the axle center of described roller and the axle center of described bearing outer ring is the 10-17 degree;
Further, the single described bearing inner race ring roller quantity of establishing is 18;
The included angle A in the axle center of described roller and the axle center of described bearing outer ring is 14 degree;
First end of described axle is provided with tapped hole vertically, and the central authorities of described bearing friction top are provided with one vertically and have externally threaded locating stud, and this locating stud is threaded with described tapped hole;
The pad and the locking nut that are threaded on second end of described axle and are used for fixing equipment.
Owing to adopted above technology, the utility model compared with prior art has the following advantages:
The utility model adopts the circular cone ball as rolling element, can bear axial, radial load simultaneously, has wide range of applications, and in light weight, bearing capacity is strong, has increased working life.
Further specify the utility model below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the structural representation of double-row conical bearing of the present utility model;
Fig. 2 is the structural representation of the bearing outer ring in the utility model;
Fig. 3 is the structural representation of the bearing inner race in the utility model;
Fig. 4 is the scheme of installation of inside and outside circle of the bearing in the utility model and roller;
Fig. 5 is the structural representation of the bearing friction top in the utility model;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the structural representation of the axle in the utility model;
Fig. 8 is the structural representation of the level gauge in the utility model;
Fig. 9 is the cross sectional representation of the level gauge in the utility model;
Figure 10 is the structural representation of the level gauge of use double-row conical bearing of the present utility model.
Embodiment
Shown in Fig. 1 to 7, a kind of double-row conical bearing of the present utility model, comprise: bearing outer ring 6, bearing inner race 5 and some rollers 3, in the described bearing outer ring 6 two bearings inner ring 5 is set oppositely, described bearing inner race 5 is provided with tapered raceway 51, described roller 3 rings are located in the described tapered raceway 51, and described roller 3 is circular cone balls, and the axle center of described axle 2 is pointed in the axle center of this circular cone ball.The inwall of described bearing outer ring 6 is two sections relative conical surfaces 61, and the described conical surface 61 is angle with the tapered raceway 51 of corresponding described bearing inner race 5 respectively, makes the circular cone ball can be fitted between described bearing inner race 5 and the V-type inwall 61 and rolls flexibly.Be provided with play a supportive role, the optional gap adjustment of a thickness circle 4 between the two bearings inner ring 5.This gap adjustment circle 4 possesses the replacement part of a lot of different-thickness sizes, is used to adjust the gap of bearing, makes the circular cone ball can be fitted in the more coupling of fitting between described bearing inner race 5 and the V-type inwall 61, adapts to different use occasions.The utility model compact structure, in light weight.
One axle 2 and a bearing friction top 1, described bearing inner race 5 of socket and described gap adjustment circle 4 on the described axle 2, be rigidly connected first end of described axle 2 of described bearing friction top 1, described axle 2 is provided with an annular shoulder 21, and described bearing friction top 1 and described annular shoulder 21 clamp described bearing inner race 5 and described gap adjustment circle 4.
Usually, the roller quantity that single described bearing inner race ring is established is 15 to 25, and the included angle A in the axle center of described roller and the axle center of described bearing outer ring is the 10-17 degree.
In the present embodiment, roller 3 quantity that described single bearing inner race 5 rings are established are 18.The acting in conjunction of 18 circular cone balls can improve bearing capacity effectively, and pretightening force is easy to adjust.
The included angle A in the axle center of the axle center of described roller 3 and described bearing outer ring 6 is 14 degree.Through experiment repeatedly, the included angle A in the axle center of the axle center of roller 3 and bearing outer ring 6 is 14 when spending, and the utility model bearing capacity is the highest.
First end of described axle 2 is provided with tapped hole 22 vertically, and the central authorities of described bearing friction top 1 are provided with one vertically and have externally threaded locating stud 11, and this locating stud 11 is threaded with described tapped hole 22.A pad 7 and a locking nut 8 are threaded on second end of described axle 2.This bearing is fixed on the axle 2 by bearing friction top 1, and axle 2 can be connected again on the worktable and clamp by locking nut 8.
Shown in Fig. 1 to 10, the utility model is that double-row conical bearing among the embodiment 1 is light at some, is used with level gauge on the lathe of middle load, with equipment along the level gauge translation, thereby reduced friction factor, improved working life.This device comprises: some double-row conical bearings and at least one level gauge 9, this double-row conical bearing comprises: bearing outer ring 6, bearing inner race 5 and some rollers 3, wherein bearing outer ring 6 is cylndrical surface, this level gauge 9 of this cylndrical surface crimping.
In the described bearing outer ring 6 two bearings inner ring 5 is set oppositely, described bearing inner race 5 is provided with tapered raceway 51, and described roller 3 rings are located in the described tapered raceway 51, and described roller 3 is circular cone balls, and the axle center of described axle 2 is pointed in the axle center of this circular cone ball.The inwall of described bearing outer ring 6 is two sections relative conical surfaces 61, and the described conical surface 61 is angle with the tapered raceway 51 of corresponding described bearing inner race 5 respectively, makes the circular cone ball can be fitted between described bearing inner race 5 and the V-type inwall 61 and rolls flexibly.Be provided with play a supportive role, the optional gap adjustment of a thickness circle 4 between the two bearings inner ring 5.This gap adjustment circle 4 possesses the replacement part of a lot of different-thickness sizes, is used to adjust the gap of bearing, makes the circular cone ball can be fitted in the more coupling of fitting between described bearing inner race 5 and the V-type inwall 61, adapts to different use occasions.The utility model compact structure, in light weight.
Vertically be interval with some positioning holes 91 on the medial axis of described level gauge 9, the width of described level gauge 9 is more than or equal to the width of described bearing outer ring 6, so that spring bearing outer ring 6 better.
Described double-row conical bearing also comprises an axle 2 and a bearing friction top 1, described bearing inner race 5 of socket and described gap adjustment circle 4 on the described axle 2, be rigidly connected first end of described axle 2 of described bearing friction top 1, described axle 2 is provided with an annular shoulder 21, and described bearing friction top 1 and described annular shoulder 21 clamp described bearing inner race 5 and described gap adjustment circle 4.
The both sides of described level gauge 9 upper surfaces are respectively equipped with chamfering.
Usually, the roller quantity that single described bearing inner race ring is established is 15 to 25, and the included angle A in the axle center of described roller and the axle center of described bearing outer ring is the 10-17 degree.
In the present embodiment, roller 3 quantity that described single bearing inner race 5 rings are established are 18.The acting in conjunction of 18 circular cone balls can improve bearing capacity effectively, and pretightening force is easy to adjust.
The included angle A in the axle center of the axle center of described roller 3 and described bearing outer ring 6 is 14 degree.Through experiment repeatedly, the included angle A in the axle center of the axle center of roller 3 and bearing outer ring 6 is 14 when spending, and the utility model bearing capacity is the highest.
First end of described axle 2 is provided with tapped hole 22 vertically, and the central authorities of described bearing friction top 1 are provided with one vertically and have externally threaded locating stud 11, and this locating stud 11 is threaded with described tapped hole 22.The pad 7 and the locking nut 8 that are threaded on second end of described axle 2 and are used for fixing equipment.This bearing is fixed on the axle 2 by bearing friction top 1, and axle 2 can be connected again on the worktable and clamp by locking nut 8.
In summary, the utility model adopts the circular cone ball as rolling element, can bear axial, radial load simultaneously, has wide range of applications, and in light weight, bearing capacity is strong, has increased working life.
Above-described embodiment only is used to illustrate technological thought of the present utility model and characteristics, its purpose is to make those skilled in the art can understand content of the present utility model and implements according to this, can not only limit claim of the present utility model with present embodiment, be all equal variation or modifications of doing according to the spirit that the utility model disclosed, still drop in the claim of the present utility model.
Claims (10)
1. double-row conical bearing, comprise: bearing outer ring (6), bearing inner race (5) and some rollers (3), it is characterized in that: two bearings inner ring (5) oppositely is set in the described bearing outer ring (6), described bearing inner race (5) is provided with tapered raceway (51), described roller (3) ring is located in the described tapered raceway (51), described roller (3) is the circular cone ball, the inwall of described bearing outer ring (6) is two sections relative conical surfaces (61), the described conical surface (61) is angle with the tapered raceway (51) of corresponding described bearing inner race (5) respectively, is provided with a gap adjustment circle (4) between the two bearings inner ring (5).
2. double-row conical bearing according to claim 1, it is characterized in that also comprising: an axle (2) and a bearing friction top (1), described bearing inner race (5) and described gap adjustment circle (4) are arranged on the outer surface of described axle (2), described bearing friction top (1) is fixed in first end of described axle (2), described axle (2) is provided with an annular shoulder (21), and described bearing friction top (1) and described annular shoulder (21) clamp described bearing inner race (5) and described gap adjustment circle (4).
3. double-row conical bearing according to claim 2 is characterized in that: roller (3) quantity that single described bearing inner race (5) ring is established is 18.
4. double-row conical bearing according to claim 3 is characterized in that: the included angle A of the shaft axis of the shaft axis of described roller (3) and described bearing outer ring (6) is 14 degree.
5. double-row conical bearing according to claim 4, it is characterized in that: first end of described axle (2) is provided with tapped hole (22) vertically, the central authorities of described bearing friction top (1) are provided with one vertically and have externally threaded locating stud (11), and this locating stud (11) is threaded with described tapped hole (22).
6. double-row conical bearing according to claim 5 is characterized in that: a pad (7) and a locking nut (8) are threaded on second end of described axle (2).
7. level gauge that uses double-row conical bearing, be used for equipment along the level gauge translation, comprise: the double-row conical bearing of some pivot joint equipment and at least one level gauge (9), this double-row conical bearing comprises: bearing outer ring (6), bearing inner race (5) and some rollers (3), wherein bearing outer ring (6) is the cylndrical surface, this this level gauge of cylndrical surface crimping (9) is characterized in that:
Two bearings inner ring (5) oppositely is set in the described bearing outer ring (6), described bearing inner race (5) is provided with tapered raceway (51), described roller (3) ring is located in the described tapered raceway (51), described roller (3) is the circular cone ball, the inwall of described bearing outer ring (6) is two sections relative conical surfaces (61), the described conical surface (61) is angle with the tapered raceway (51) of corresponding described bearing inner race (5) respectively, is provided with a gap adjustment circle (4) between the two bearings inner ring (5);
Vertically be interval with some positioning holes (91) on the medial axis of described level gauge (9), the width of described level gauge (9) is more than or equal to the width of described bearing outer ring (6).
8. the level gauge of use double-row conical bearing according to claim 7, it is characterized in that: described double-row conical bearing also comprises an axle (2) and a bearing friction top (1), described bearing inner race (5) and described gap adjustment circle (4) are arranged on the outer surface of described axle (2), described bearing friction top (1) is fixed in first end of described axle (2), described axle (2) is provided with an annular shoulder (21), and described bearing friction top (1) and described annular shoulder (21) clamp described bearing inner race (5) and described gap adjustment circle (4).
9. the level gauge of use double-row conical bearing according to claim 8 is characterized in that: the both sides of described level gauge (9) upper surface are respectively equipped with chamfering.
10. it is characterized in that according to Claim 8 or the level gauge of 9 described use double-row conical bearings:
Roller (3) quantity that single described bearing inner race (5) ring is established is 18;
The included angle A in the axle center of the axle center of described roller (3) and described bearing outer ring (6) is 14 degree;
First end of described axle (2) is provided with tapped hole (22) vertically, and the central authorities of described bearing friction top (1) are provided with one vertically and have externally threaded locating stud (11), and this locating stud (11) is threaded with described tapped hole (22);
The pad (7) and the locking nut (8) that are threaded on second end of described axle (2) and are used for fixing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753000U CN201461733U (en) | 2009-07-24 | 2009-07-24 | Double-row tapered roller bearing and flat guide rail thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753000U CN201461733U (en) | 2009-07-24 | 2009-07-24 | Double-row tapered roller bearing and flat guide rail thereby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461733U true CN201461733U (en) | 2010-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200753000U Expired - Fee Related CN201461733U (en) | 2009-07-24 | 2009-07-24 | Double-row tapered roller bearing and flat guide rail thereby |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI716538B (en) * | 2016-03-30 | 2021-01-21 | 日商和諧驅動系統股份有限公司 | Combined cylindrical roller bearing |
-
2009
- 2009-07-24 CN CN2009200753000U patent/CN201461733U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI716538B (en) * | 2016-03-30 | 2021-01-21 | 日商和諧驅動系統股份有限公司 | Combined cylindrical roller bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20100724 |