CN213360849U - Novel center-adjustable turntable bearing - Google Patents
Novel center-adjustable turntable bearing Download PDFInfo
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- CN213360849U CN213360849U CN202021550045.3U CN202021550045U CN213360849U CN 213360849 U CN213360849 U CN 213360849U CN 202021550045 U CN202021550045 U CN 202021550045U CN 213360849 U CN213360849 U CN 213360849U
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- 238000007789 sealing Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model introduces a novel center-adjustable turntable bearing, which comprises a center-adjusting structure and a turntable bearing; the aligning structure comprises an outer ring, a middle ring, a spherical roller and an outer ring fastening screw; the outer ring is an outer ring of a spherical sliding bearing, is divided into an upper half ring and a lower half ring, is assembled in sections and is connected into a whole through an outer ring fastening screw; the middle ring is the outer ring of the original turntable bearing, corresponding rectangular grooves II and rectangular grooves I are uniformly distributed on the outer diameter of the middle ring and the inner diameter of the outer ring along the circumferential axial middle position, and the middle ring is sleeved in the inner diameter of the outer ring; the spherical roller is arranged in the rectangular groove I and the rectangular groove II to form a spherical sliding self-aligning bearing with a self-aligning function. The utility model discloses a because only need bear the friction torque when the bearing operation, as long as a plurality of rectangular channels and spherical roller are the friction torque that the drum-shaped tooth of fungible outer lane bore, the utility model discloses simple structure, processing is simple and convenient, easily assembles, economical and practical.
Description
Technical Field
The utility model belongs to the technical field of the bearing design, concretely relates to novel but aligning carousel bearing.
Background
In some specific occasions, the turntable bearings are required to only bear axial and radial loads but not bear overturning moment, for example, a main shaft of a large spiral conveyor in a shield machine is provided with one turntable bearing on each of two sides of the main shaft, and due to manufacturing and installation errors, the turntable bearings on the two sides are difficult to keep concentric, so that the concentricity of the turntable bearings on the two sides is ensured, the transmission precision of the bearings is not influenced by bending moment generated by a screw rod which extends outwards for a long time, three rows of cylindrical turntable bearings are adopted, and a crowned tooth structure is added on the outer ring of the bearing to realize centering without rotary motion. However, the large-scale slewing bearing adopts a crowned tooth aligning structure, so that the manufacturing is difficult, the cost is high, the super-large scale aligning roller bearing is mostly adopted, the processing size is influenced due to the limitation of the process of the super-large scale aligning roller bearing, the self structural strength is low due to the thinner wall of the aligning bearing sleeve ring, the service life is short, the manufacturing cost is high, and the requirements of enterprises cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel but aligning rotary table bearing, this bearing is in the outer lane of adding a sphere slide bearing again of former rotary table bearing's external diameter department, sets up corresponding rectangular channel along the two circumference friction surface axial intermediate position equipartition, puts the sphere roller in the rectangular channel, constitutes rotary table bearing's aligning structure jointly, has replaced the cydariform tooth aligning structure of former rotary table bearing outer lane.
The purpose of the utility model can be realized by adopting the following technical scheme: a novel center-adjustable turntable bearing comprises a center-adjusting structure and a turntable bearing; the aligning structure comprises an outer ring, a middle ring, a spherical roller and an outer ring fastening screw; the outer ring is an outer ring of a spherical sliding bearing, the outer ring is divided into an upper half ring and a lower half ring, the upper half ring and the lower half ring are assembled in a segmented mode and are connected into a whole through an outer ring fastening screw, rectangular grooves I are uniformly distributed in the middle of the inner diameter of the outer ring along the circumferential direction, and annular sealing grooves are respectively formed in the upper end and the lower end of the inner diameter of the outer ring along the axial direction; the middle ring is the outer ring of the original turntable bearing, rectangular grooves II are uniformly distributed on the outer diameter of the middle ring along the circumferential axial middle position, the rectangular grooves II correspond to the rectangular grooves I on the outer ring, and the middle ring is sleeved in the inner diameter of the outer ring; the spherical roller is arranged in a rectangular groove I and a rectangular groove II which correspond to the outer ring and the middle ring, and the outer ring, the spherical roller and the middle ring form a spherical sliding self-aligning bearing with a self-aligning function.
The spherical sliding self-aligning bearing is characterized in that corresponding screw connecting holes are uniformly distributed in the upper half ring and the lower half ring of the outer ring, outer ring mounting holes connected with the outside are uniformly distributed, and oil holes leading to the sliding spherical surface of the spherical sliding self-aligning bearing are formed in the end surface of the outer ring.
The length of rectangular channel I on the outer lane be greater than the length of rectangular channel II on the well circle, the length size of rectangular channel I designs according to the aligning angle.
The length dimension of the rectangular groove II on the middle ring is matched with that of the spherical roller.
The inner diameter of the outer ring is provided with a sealing ring in an annular sealing groove, and the connecting surface of the outer ring and the middle ring is coated with an antifriction coating.
The turntable bearing is in any structural form of three-row cylinders, or two-row reducing balls or crossed cylinders.
The utility model discloses a during the use, install the rectangular channel II of the well circle that processes according to the aligning requirement earlier according to the spherical roller that aligning angle was designed, install the ring seal inslot with the outer lane, again with the outer lane suit to the well circle on, the rectangular channel I of outer lane is corresponding to spherical roller, half circle and segmentation firm in connection about with the outer lane through outer lane fastening screw, the rectangular channel I of outer lane and the rectangular channel II of well circle play the aligning effect with the structure that spherical roller constitutes, in the aligning, prevent sphere slip aligning bearing to rotate, rectangular channel I and rectangular channel II slide along spherical roller's sphere slope, realize the aligning of carousel bearing certain range, and because the blockking of spherical roller, outer lane and well circle do not produce continuous rotation.
The utility model has the advantages that: this aligning turntable bearing is owing to only need bear the friction torque when the bearing operation, as long as the friction torque that a plurality of rectangular channels and spherical roller just can replace outer lane cydariform tooth to bear, simultaneously for further reducing the frictional force of sphere slip aligning bearing, set up the oilhole that accesss to slip spherical surface friction surface on the outer lane terminal surface, the lubricating grease of injecting into in the oilhole and carousel bearing with the model lubricates, realizes nimble aligning effect, the utility model discloses simple structure, processing is simple and convenient, easily assembles, economical and practical.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the outer ring of the present invention;
fig. 4 is a cross-sectional view of the middle ring of the present invention;
FIG. 5 is a schematic cross-sectional view of the outer ring oil hole of the present invention;
fig. 6 is a schematic diagram of spherical roller aligning of the present invention;
fig. 7 is a schematic diagram ii of spherical roller aligning according to the present invention;
the labels in the figure are: 1. the anti-wear ball comprises an outer ring, 2, a spherical roller, 3, a middle ring, 4, an outer ring fastening screw, 5, a sealing ring, 6, an anti-wear coating, 7, a screw connecting hole, 8, rectangular grooves I and 9, an annular sealing groove, 10, an outer ring mounting hole, 11, an oil hole, 12, rectangular grooves II and 13, an inner ring, 14 and a steel ball.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a novel self-aligning turntable bearing includes a self-aligning structure and a turntable bearing; the aligning structure comprises an outer ring 1, a spherical roller 2, a middle ring 3 and an outer ring fastening screw 4; the outer ring 1 adopts an outer ring of a spherical sliding bearing, the outer ring 1 is divided into an upper half ring and a lower half ring, the upper half ring and the lower half ring are assembled in a segmented mode and connected into a whole through an outer ring fastening screw 4, a rectangular groove I8 is uniformly distributed in the middle position of the inner diameter of the outer ring 1 along the circumferential axial direction, annular sealing grooves 9 are respectively formed in the upper end and the lower end of the inner diameter of the outer ring 1 along the axial direction, a sealing ring 5 is installed in each annular sealing groove 9, corresponding screw connecting holes 7 are uniformly distributed in the upper half ring and the lower half ring of the; the middle ring 3 is an outer ring of an original turntable bearing, rectangular grooves II 12 are uniformly distributed in the middle position of the outer diameter of the middle ring 3 along the circumferential direction, the rectangular grooves II 12 correspond to the rectangular grooves I8 on the outer ring 1, the length of the rectangular grooves II 12 is smaller than that of the rectangular grooves I8, the middle ring 3 is sleeved in the inner diameter of the outer ring 1, and in order to prevent the outer ring 1 and the middle ring 3 from continuously rotating, an anti-wear coating is coated on the connecting surface of the outer ring 1 and the middle ring 3; the spherical rollers 2 are arranged in the rectangular grooves I8 and II 12 corresponding to the outer ring 1 and the middle ring 3, and the outer ring 1, the spherical rollers 2 and the middle ring 3 form a spherical sliding self-aligning bearing with an aligning function; in order to further reduce the friction force of the spherical sliding self-aligning bearing, an oil hole 11 leading to the sliding spherical surface of the spherical sliding self-aligning bearing is formed in the end surface of the outer ring 1, and lubricating grease with the same type as that of the turntable bearing is injected into the oil hole 11 for lubrication, so that the flexible self-aligning effect is realized; the length dimension of the rectangular groove I8 on the outer ring 1 and the spherical radius R of the spherical roller 2 are both designed according to the aligning angle, and the length dimension of the rectangular groove II 12 on the middle ring 3 is matched with the length dimension of the spherical roller 2, so that the spherical roller can be prevented from moving, the turntable bearing has a certain range of aligning, and the outer ring and the middle ring are ensured not to rotate continuously; the turntable bearing is in any structural form of three-row cylinders, or two-row reducing balls or crossed cylinders.
The following examples describe the centering process of the present invention in detail with a four-point contact ball turret bearing:
firstly, a spherical roller 2 designed according to the aligning angle is arranged in a rectangular groove II 12 of a middle ring 3 processed according to the aligning requirement, an annular sealing ring of an outer ring 1 is arranged in an annular sealing groove 9, the outer ring 1 is sleeved on the middle ring 3, a rectangular groove I8 of the outer ring corresponds to the spherical roller 2, the upper half ring and the lower half ring of the outer ring 1 and the segments are firmly connected through the outer ring fastening screw 4, the structure formed by the rectangular groove I (8) of the outer ring (1), the rectangular groove II (12) of the middle ring (3) and the spherical roller (2) plays a role of aligning, when in aligning, the rectangular groove I (8) and the rectangular groove II (12) slide along the spherical surface of the spherical roller (2) in an inclined way, as shown in fig. 6 and 7, the outer ring 1 and the middle ring 3 can realize two amplitude centering mechanism forms, and the outer ring 1 and the middle ring 3 do not rotate continuously due to the blocking of the spherical rollers 2; rectangular channel I8 and rectangular channel II 12 and spherical roller 2 prevent outer lane 1 and centre circle 3 rotation in the aligning, because the aligning structure only need bear the friction torque when the slewing bearing moves, as long as design the friction torque that rectangular channel and spherical roller 2 of a certain amount just can fungible cydariform tooth bear, processing is simple and convenient, economical and practical.
The utility model discloses do not describe in detail the part and be prior art, this aligning turntable bearing has used in the enterprise, and is respond well, the suggestion popularization.
Claims (6)
1. The utility model provides a novel but aligning slewing bearing, includes aligning structure and slewing bearing, characterized by: the aligning structure comprises an outer ring (1), a spherical roller (2), a middle ring (3) and an outer ring fastening screw (4); the outer ring (1) adopts an outer ring of a spherical sliding bearing, the outer ring (1) is divided into an upper half ring and a lower half ring, the upper half ring and the lower half ring are assembled in sections and connected into a whole through an outer ring fastening screw (4), rectangular grooves I (8) are uniformly distributed on the inner diameter of the outer ring (1) along the axial middle position of the circumference, and annular sealing grooves (9) are respectively arranged at the upper end and the lower end of the inner diameter of the outer ring (1) along the axial direction; the middle ring (3) is an outer ring of an original turntable bearing, rectangular grooves II (12) are uniformly distributed in the middle position of the outer diameter of the middle ring (3) along the circumferential axial direction, the rectangular grooves II (12) correspond to the rectangular grooves I (8) on the outer ring (1), and the middle ring (3) is sleeved in the inner diameter of the outer ring (1); the spherical roller (2) is arranged in a rectangular groove I (8) and a rectangular groove II (12) which correspond to the outer ring (1) and the middle ring (3), and the outer ring (1), the spherical roller (2) and the middle ring (3) form a spherical sliding self-aligning bearing with a self-aligning function.
2. The novel self-aligning slewing bearing according to claim 1, characterized in that: the spherical sliding self-aligning bearing is characterized in that corresponding screw connecting holes (7) are uniformly distributed in the upper half ring and the lower half ring of the outer ring (1), outer ring mounting holes (10) connected with the outside are uniformly distributed, and oil holes (11) leading to the sliding spherical surface of the spherical sliding self-aligning bearing are formed in the end surface of the outer ring (1).
3. The novel self-aligning slewing bearing according to claim 1, characterized in that: the length of the rectangular groove I (8) on the outer ring (1) is greater than that of the rectangular groove II (12) on the middle ring (3).
4. The novel self-aligning slewing bearing according to claim 1, characterized in that: the length dimension of the rectangular groove II (12) on the middle ring (3) is matched with the length dimension of the spherical roller (2).
5. The novel self-aligning slewing bearing according to claim 1, characterized in that: the inner diameter of the outer ring (1) is provided with an annular sealing groove (9) in which a sealing ring (5) is arranged, and the connecting surface of the outer ring (1) and the middle ring (3) is coated with an antifriction coating (6).
6. The novel self-aligning slewing bearing according to claim 1, characterized in that: the turntable bearing is in any structural form of three-row cylinders, or two-row reducing balls or crossed cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550045.3U CN213360849U (en) | 2020-07-30 | 2020-07-30 | Novel center-adjustable turntable bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021550045.3U CN213360849U (en) | 2020-07-30 | 2020-07-30 | Novel center-adjustable turntable bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360849U true CN213360849U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021550045.3U Active CN213360849U (en) | 2020-07-30 | 2020-07-30 | Novel center-adjustable turntable bearing |
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| CN (1) | CN213360849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116892575A (en) * | 2023-09-11 | 2023-10-17 | 河北佳顺不锈钢轴承制造有限公司 | Adjustable center type bearing seat |
-
2020
- 2020-07-30 CN CN202021550045.3U patent/CN213360849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116892575A (en) * | 2023-09-11 | 2023-10-17 | 河北佳顺不锈钢轴承制造有限公司 | Adjustable center type bearing seat |
| CN116892575B (en) * | 2023-09-11 | 2024-01-09 | 河北佳顺不锈钢轴承制造有限公司 | Adjustable center type bearing seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211203 Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: LUOYANG LYC BEARING Co.,Ltd. Patentee after: Luoyang Bearing Holding Co.,Ltd. Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: China Patentee after: Luoyang Bearing Holding Co.,Ltd. Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China Patentee before: Luoyang Bearing Holding Co.,Ltd. |
|
| CP03 | Change of name, title or address |