CN205089803U - Biserial aligning roller combination bearing of adjustable play - Google Patents
Biserial aligning roller combination bearing of adjustable play Download PDFInfo
- Publication number
- CN205089803U CN205089803U CN201520864503.3U CN201520864503U CN205089803U CN 205089803 U CN205089803 U CN 205089803U CN 201520864503 U CN201520864503 U CN 201520864503U CN 205089803 U CN205089803 U CN 205089803U
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- Prior art keywords
- raceway
- roller
- bearing
- integral
- outer rings
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- 239000000428 dust Substances 0.000 claims description 31
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 3
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 3
- 241000018646 Pinus brutia Species 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241001400675 Sympodium Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a biserial aligning roller combination bearing of adjustable play, include integral outer ring, integral inner ring, decide half outer lane, move half outer lane, first roller, the secondary series roller of being listed as, decide half outer lane and be equipped with and be listed as the outer raceway of first circular arc that the roller corresponds with first, move half outer lane and be equipped with the outer raceway of the second circular arc that corresponds with the secondary series roller, the integral inner ring be equipped with with the first second that is listed as in first that the roller corresponds the raceway and corresponds with the secondary series roller in the raceway, decide half outer lane and integral outer ring and fix, move half outer lane and integral outer ring and establish just endwise slip relatively with the axle sleeve. After the installation of this bearing, there is not the interference in the contact of two half outer lanes difference automatic adjustment raceway and roller, and the homoenergetic plays the aligning function, and assurance two is listed as and correctly contacts between roller and raceway, has avoided the appearance of the bearing unbalance loading condition. The utility model discloses simultaneously through screwing up (pine) bolt, obtain the play that needs in the bearing work, guarantee the performance of bearing excellence.
Description
Technical field
The utility model relates to technical field of bearings, particularly, relates to a kind of double-row self-aligning roller combination bearing of clearance adjustable type.
Background technique
Double-row self-aligning roller bearing generally has with the integral inner ring of arc raceway and forms with arc raceway integral outer ring, retainer and two row circular arc rollers, because it has self-aligning function, is widely used in and installs that centering has error, axle has in the operating mode such as bending.
But, while performance double-row self-aligning roller bearing aligning characteristic, also fully to ensure carrying and other performances of double-row self-aligning roller bearing.Very high requirement is proposed to the manufacturing of bearing and the selection of bearing clearance.In two row raceway processing of outer ring, decentraction error may cause a row raceway correctly to be contacted with roller by aligning, another row raceway does not play aligning effect, correctly can not contact with roller, unbalance loading in bearing using process, cause two row roller discontinuity, bearing life reduces.When selecting excessive play, the bearing capacity of bearing declines, and bearing noise becomes large, selects bearing heating can be caused serious during too small play.
Model utility content
For defect of the prior art, the purpose of this utility model is to provide a kind of double-row self-aligning roller combination bearing of clearance adjustable type, can realize the Automatic adjusument contact position of roller and the adjustable of bearing clearance.
According to the double-row self-aligning roller combination bearing of a kind of clearance adjustable type that the utility model provides, comprise integral outer ring, integral inner ring, determine semi outer rings, move semi outer rings, first row roller, secondary series roller;
Describedly determine semi outer rings and be provided with the outer raceway of first circular arc corresponding with described first row roller, described dynamic semi outer rings is provided with the outer raceway of second circular arc corresponding with described secondary series roller, described integral inner ring be provided with raceway in corresponding with described first row roller first and with described secondary series roller corresponding second in raceway, describedly determine semi outer rings and described integral outer ring is fixed, described dynamic semi outer rings and described integral outer ring coaxially sheathed and can slide to axial;
Described first row roller moves between raceway in the outer raceway and described first of described first circular arc, described secondary series roller moves between raceway in the outer raceway and described second of described second circular arc, and described dynamic semi outer rings coaxially slides along described integral outer ring and realizes the adjustment of bearing clearance.
As a kind of optimized project, in described first, in raceway and second, raceway is symmetrical arranged, and in described first, the radial length of raceway raceway one end in described second is greater than the radial length of the other end.
As a kind of optimized project, also comprise adjustment block; Described adjustment block one end is connected by the radial end face of adjusting bolt with described integral outer ring, and the other end axially contacts with described dynamic semi outer rings; By regulating the precession degree of depth of described adjusting bolt and described radial end face to realize described adjustment block to the axial compression of described dynamic semi outer rings or loosen, and then adjustment bearing clearance.
As a kind of optimized project, also comprise the second dust cover, the external diameter surface Spielpassung of described second dust cover cover and described integral inner ring, the shirt rim of described second dust cover is fixedly connected with described adjustment block.
As a kind of optimized project, in described first, in raceway and second, raceway is symmetrical arranged, and in described first, the radial length of raceway raceway one end in described second is less than the radial length of the other end.
As a kind of optimized project, also comprise adjustment block; Described adjustment block one end is connected by the radial end face of adjusting bolt with described integral outer ring, and the other end is axially connected with described dynamic semi outer rings; By the axial interlock regulating the precession degree of depth of described adjusting bolt and described radial end face to realize described adjustment block and described dynamic semi outer rings, and then adjustment bearing clearance.
As a kind of optimized project, also comprise the second dust cover, the external diameter surface Spielpassung of described second dust cover cover and described integral inner ring, the shirt rim of described second dust cover is fixedly connected with described adjustment block.
As a kind of optimized project, also comprise the first dust cover, the external diameter surface Spielpassung of described first dust cover cover and described integral inner ring, the shirt rim of described first dust cover is fixedly connected with described integral outer ring.
As a kind of optimized project, described integral inner ring is also provided with oil hole, and described oil hole is communicated with described first row roller, space, secondary series roller place.
As a kind of optimized project, one end of described integral inner ring is provided with outside thread, and this outside thread is also provided with positioning hole; With described by locking nut externally threadedly coordinate described integral inner ring and interiorly switch through axle Peripheric locking, being coordinated with described positioning hole by hexagonal socket head plug and the interior Axial and radial that switches through is locked.
Compared with prior art, the utility model has following beneficial effect:
The utility model solves the problem of unbalance loading in the bearing using process that traditional double-row self-aligning roller bearing causes due to outer ring biserial raceway manufacturing error.After bearing is installed, double semi outer rings adjusts the contact of raceway and roller respectively automatically, there is not interference, all can play aligning function, ensure that two row rollers correctly contact with between raceway, avoid the appearance of gauche bearings situation.
The utility model solves the problem that double-row self-aligning roller bearing installation rear bearing play can not adjust simultaneously, by tightening (pine) bolt, obtaining the play needed in bearing working, ensureing the usability of bearing excellence.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the double-row self-aligning set of rollers sympodium loading end figure of optional a kind of clearance adjustable type.
1-integral outer ring, 2-pressing plate, 3-locking nut, 4-integral inner ring, 5-hexagonal socket head plug, 6-adjustment block, 7-adjusting bolt, 8-first row roller, 9-secondary series roller, 10-first dust cover, 11-second dust cover, 12-retainer, 13-determines semi outer rings, and 14-moves semi outer rings, 15-oil hole.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
The utility model solves the problem of unbalance loading in the bearing using process that traditional double-row self-aligning roller bearing causes due to outer ring biserial raceway manufacturing error.After bearing is installed, determine the automatic contact adjusting raceway and roller respectively of semi outer rings 13, dynamic semi outer rings 14, there is not interference, all can play aligning function, ensure that two row rollers correctly contact with between raceway, avoid the appearance of gauche bearings situation.
The utility model also solves the problem that double-row self-aligning roller bearing installation rear bearing play can not adjust simultaneously, by tightening (pine) adjusting bolt 7, obtaining the play needed in bearing working, ensureing the usability of bearing excellence.
The utility model proposes the double-row self-aligning roller combination bearing of a kind of clearance adjustable type as shown in Figure 1, comprise integral outer ring 1, integral inner ring 4, determine semi outer rings 13, move semi outer rings 14, first row roller 8, secondary series roller 9;
Describedly determine semi outer rings 13 and be provided with the outer raceway of first circular arc corresponding with described first row roller 8, described dynamic semi outer rings 14 is provided with the outer raceway of second circular arc corresponding with described secondary series roller 9, described integral inner ring 4 be provided with raceway in corresponding with described first row roller 8 first and with described secondary series roller 9 corresponding second in raceway, describedly determine semi outer rings 13 and fix with described integral outer ring 1, described dynamic semi outer rings 14 is coaxially sheathed and can slide to axial with described integral outer ring 1;
Described first row roller 8 moves between raceway in the outer raceway and described first of described first circular arc, described secondary series roller 9 moves between raceway in the outer raceway and described second of described second circular arc, and described dynamic semi outer rings 14 coaxially slides along described integral outer ring 1 and realizes the adjustment of bearing clearance.
As a kind of embodiment, as shown in Figure 1, in described first, in raceway and second, raceway is symmetrical arranged, and in described first, the radial length of raceway raceway one end in described second is greater than the radial length of the other end.
Embodiment shown in Fig. 1 also comprises adjustment block 6; Described adjustment block 6 one end is connected with the radial end face of described integral outer ring 1 by adjusting bolt 7, and the other end axially contacts with described dynamic semi outer rings 14; By regulating described adjusting bolt 7 and the precession degree of depth of described radial end face to realize described adjustment block 6 to the axial compression of described dynamic semi outer rings 14 or loosen, and then adjustment bearing clearance.
When needs reduce play, the adjusting bolt 7 in Fig. 1 tightened, pressing plate 2 is pressed to the radial end face of integral outer ring 1, adjustment block 6 is pressed towards dynamic semi outer rings 14, and semi outer rings moves to left, and play reduces.Otherwise, when increase play, adjusting bolt 7 is unscrewed, is released by secondary series roller 9 after dynamic semi outer rings 14 loses impacting force and move right, thus increase play.In Fig. 1, adjustment block 6 is realized by pressing plate 2 with the connection of the radial end face of described integral outer ring 1.
Embodiment shown in Fig. 1 also comprises the second dust cover 11, and described second dust cover 11 overlaps the external diameter surface Spielpassung with described integral inner ring 4, and the shirt rim of described second dust cover 11 is fixedly connected with described adjustment block 6.
As the second embodiment, not shown, similar shown in other structure and Fig. 1, in described first, in raceway and second, raceway is symmetrical arranged, but in described first, the radial length of raceway raceway one end in described second is less than the radial length of the other end.
The second embodiment also comprises adjustment block 6; Described adjustment block 6 one end is connected with the radial end face of described integral outer ring 1 by adjusting bolt 7, and the other end is axially connected with described dynamic semi outer rings 14; By the axial interlock regulating described adjusting bolt 7 and the precession degree of depth of described radial end face to realize described adjustment block 6 and described dynamic semi outer rings 14, and then adjustment bearing clearance.In the second embodiment, adjustment block 6 needs to be fixedly connected with dynamic semi outer rings 14, keeps being pulled outwardly described dynamic semi outer rings 14 thus ensures to move coordinating of semi outer rings 14 and secondary series roller 9.
The second embodiment also comprises the second dust cover 11, and described second dust cover 11 overlaps the external diameter surface Spielpassung with described integral inner ring 4, and the shirt rim of described second dust cover 11 is fixedly connected with described adjustment block 6.
Above two kinds of embodiments also comprise the first dust cover 10, and described first dust cover 10 overlaps the external diameter surface Spielpassung with described integral inner ring 4, and the shirt rim of described first dust cover 10 is fixedly connected with described integral outer ring 1.
Above-mentioned first dust cover 10 and the second dust cover 11 all directly only leave very little gap with integral inner ring 4, form relative sealing, prevent lubricant grease from leaking.
Described in above two kinds of embodiments, integral inner ring 4 is also provided with oil hole 15, and described oil hole 15 is communicated with described first row roller 8, space, secondary series roller 9 place.Oil hole 15 facilitate regular to bearing carry out grease replacing and supplement.
One end of the integral inner ring 4 of above two kinds of embodiments is provided with outside thread, and this outside thread is also provided with positioning hole; With described externally threaded cooperation, described integral inner ring 4 is switched through axle Peripheric locking with interior by locking nut 3, to be coordinated with described positioning hole by hexagonal socket head plug 5 and the interior Axial and radial that switches through is locked.Locking nut 3 is arranged on bearing inner race by screw thread, described hexagonal socket head plug 5 is arranged in integral inner ring 4 and locking nut 3 circumferencial direction tapped hole, and when bearing is installed, integral inner ring 4 and axle are Spielpassung, hexagonal socket head plug 5 is tightened on axle, prevents bearing inner race and between centers from producing and slides.
Described first row roller 8 and secondary series roller 9 are circular arc roller, the retainer 12 of first row roller 8 and secondary series roller 9 is punching press steel retainer 12, and described first row roller 8 and secondary series roller 9 are arranged on integral inner ring 4 by retainer 12 and determine between semi outer rings 13, dynamic semi outer rings 14.When bearing be arranged on axle there is deflection time, first row roller 8 and secondary series roller 9 can by integral inner ring 4 and the arc raceway self-alignings determined between semi outer rings 13, dynamic semi outer rings 14.Described integral outer ring 1 radial end face is equipped with four tapped holes, installs for pressing plate 2.Described pressing plate 2 has four through holes, bolt is tightened by the through hole of pressing plate 2 and the tapped hole of integral outer ring 1, the end contact of pressing plate 2 and adjustment block 6, by the degree of depth of adjustment bolt in integral outer ring 1 tapped hole, the gap of determining between semi outer rings 13, dynamic semi outer rings 14 and between roller can be adjusted, i.e. bearing clearance.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. a double-row self-aligning roller combination bearing for clearance adjustable type, is characterized in that, comprise integral outer ring, integral inner ring, determines semi outer rings, moves semi outer rings, first row roller, secondary series roller;
Describedly determine semi outer rings and be provided with the outer raceway of first circular arc corresponding with described first row roller, described dynamic semi outer rings is provided with the outer raceway of second circular arc corresponding with described secondary series roller, described integral inner ring be provided with raceway in corresponding with described first row roller first and with described secondary series roller corresponding second in raceway, describedly determine semi outer rings and described integral outer ring is fixed, described dynamic semi outer rings and described integral outer ring coaxially sheathed and can slide to axial;
Described first row roller moves between raceway in the outer raceway and described first of described first circular arc, described secondary series roller moves between raceway in the outer raceway and described second of described second circular arc, and described dynamic semi outer rings coaxially slides along described integral outer ring and realizes the adjustment of bearing clearance.
2. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 1, it is characterized in that, in described first, in raceway and second, raceway is symmetrical arranged, and in described first, the radial length of raceway raceway one end in described second is greater than the radial length of the other end.
3. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 2, is characterized in that, also comprise adjustment block; Described adjustment block one end is connected by the radial end face of adjusting bolt with described integral outer ring, and the other end axially contacts with described dynamic semi outer rings; By regulating the precession degree of depth of described adjusting bolt and described radial end face to realize described adjustment block to the axial compression of described dynamic semi outer rings or loosen, and then adjustment bearing clearance.
4. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 3, it is characterized in that, also comprise the second dust cover, the external diameter surface Spielpassung of described second dust cover cover and described integral inner ring, the shirt rim of described second dust cover is fixedly connected with described adjustment block.
5. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 1, it is characterized in that, in described first, in raceway and second, raceway is symmetrical arranged, and in described first, the radial length of raceway raceway one end in described second is less than the radial length of the other end.
6. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 1 or 5, is characterized in that, also comprise adjustment block; Described adjustment block one end is connected by the radial end face of adjusting bolt with described integral outer ring, and the other end is axially connected with described dynamic semi outer rings; By the axial interlock regulating the precession degree of depth of described adjusting bolt and described radial end face to realize described adjustment block and described dynamic semi outer rings, and then adjustment bearing clearance.
7. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 6, it is characterized in that, also comprise the second dust cover, the external diameter surface Spielpassung of described second dust cover cover and described integral inner ring, the shirt rim of described second dust cover is fixedly connected with described adjustment block.
8. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 1, it is characterized in that, also comprise the first dust cover, the external diameter surface Spielpassung of described first dust cover cover and described integral inner ring, the shirt rim of described first dust cover is fixedly connected with described integral outer ring.
9. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 1, it is characterized in that, described integral inner ring is also provided with oil hole, and described oil hole is communicated with described first row roller, space, secondary series roller place.
10. the double-row self-aligning roller combination bearing of a kind of clearance adjustable type according to claim 1, it is characterized in that, one end of described integral inner ring is provided with outside thread, and this outside thread is also provided with positioning hole; With described by locking nut externally threadedly coordinate described integral inner ring and interiorly switch through axle Peripheric locking, being coordinated with described positioning hole by hexagonal socket head plug and the interior Axial and radial that switches through is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864503.3U CN205089803U (en) | 2015-11-02 | 2015-11-02 | Biserial aligning roller combination bearing of adjustable play |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520864503.3U CN205089803U (en) | 2015-11-02 | 2015-11-02 | Biserial aligning roller combination bearing of adjustable play |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089803U true CN205089803U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520864503.3U Expired - Fee Related CN205089803U (en) | 2015-11-02 | 2015-11-02 | Biserial aligning roller combination bearing of adjustable play |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205089803U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763170A (en) * | 2016-12-29 | 2017-05-31 | 常熟长城轴承有限公司 | Usher to seat self-aligning roller bearing |
| CN112610600A (en) * | 2020-12-14 | 2021-04-06 | 人本股份有限公司 | Self-aligning roller bearing with adjustable clearance |
| CN112983974A (en) * | 2021-04-23 | 2021-06-18 | 捷诺传动系统(常州)有限公司 | Tapered roller bearing clearance adjusting device and gear reducer |
-
2015
- 2015-11-02 CN CN201520864503.3U patent/CN205089803U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763170A (en) * | 2016-12-29 | 2017-05-31 | 常熟长城轴承有限公司 | Usher to seat self-aligning roller bearing |
| CN112610600A (en) * | 2020-12-14 | 2021-04-06 | 人本股份有限公司 | Self-aligning roller bearing with adjustable clearance |
| CN112983974A (en) * | 2021-04-23 | 2021-06-18 | 捷诺传动系统(常州)有限公司 | Tapered roller bearing clearance adjusting device and gear reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: No. 888, Xinzhu Road, Huzhou City, Zhejiang Province 313000 Patentee after: Huzhou Jinrui Transmission Technology Co.,Ltd. Address before: 201114 Room 405, building 1, No. 999, Jiangyue Road, Minhang District, Shanghai Patentee before: SHANGHAI LANJUANER TRANSMISSION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 |