CN220488097U - High-precision pairing bearing for wind power generation turntable - Google Patents
High-precision pairing bearing for wind power generation turntable Download PDFInfo
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- CN220488097U CN220488097U CN202321456240.3U CN202321456240U CN220488097U CN 220488097 U CN220488097 U CN 220488097U CN 202321456240 U CN202321456240 U CN 202321456240U CN 220488097 U CN220488097 U CN 220488097U
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- inner ring
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- 238000010248 power generation Methods 0.000 title claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 230000013011 mating Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a high-precision pairing bearing for a wind power generation turntable, which relates to the technical field of bearings and comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is arranged in the bearing outer ring in a matching way; the bearing is characterized in that a first annular convex body is arranged at the inner edge of the bottom of the bearing outer ring, a plurality of first positioning ball grooves are formed in the first annular convex body at equal intervals in the circumferential direction, first balls are movably arranged in each first positioning ball groove, and an annular positioning sliding groove matched with the first balls is formed in the bottom of the bearing inner ring. When the bearing inner ring and the bearing outer ring are connected in a pairing way, the first ball positioned and placed at the bottom of the bearing outer ring can be matched and butted with the annular positioning sliding groove at the bottom of the bearing inner ring, then the positioning ring is installed, and meanwhile, the second annular convex body on the positioning ring is matched with the rolling positioning assembly at the top of the bearing inner ring in a positioning way, so that the bearing inner ring and the bearing outer ring are precisely matched through multiple groups of positioning matching.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a high-precision pairing bearing for a wind power generation turntable.
Background
The turntable bearing is a large bearing with a special structure, which can bear large axial load, radial load, overturning moment and other comprehensive loads simultaneously, integrates multiple functions of supporting, rotating, driving, fixing and the like, is mainly formed by combining an outer bearing ring and an inner bearing ring, and when the turntable bearing is assembled, the outer bearing ring and the inner bearing ring are required to be connected together in an accurate matching way, otherwise, the installation and the use are easy to be influenced, particularly, once the bearing is not matched accurately enough, serious accidents are easy to occur;
when the inner ring of the bearing and the outer ring of the existing turntable bearing are in fit connection, the balls between the inner ring and the outer ring are limited in the sliding grooves on the outer ring and the inner ring, so that the inner ring and the outer ring are in positioning fit;
the existing bearing has the following defects: when the inner ring and the outer ring of the existing bearing are assembled, the positioning assembly is fewer, precise pairing of the inner ring and the outer ring of the bearing can not be effectively ensured during assembly, assembly errors are easy to generate, and the quality of a final finished product is unqualified.
Disclosure of Invention
The utility model aims to provide a high-precision pairing bearing for a wind power generation turntable, which solves the technical problem that in the prior art, errors are easy to generate in the assembly of the turntable bearing.
The technical problems to be solved by the utility model can be realized by the following technical scheme:
the high-precision pairing bearing for the wind power generation turntable comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is arranged in the bearing outer ring in a matching way;
the inner edge of the bottom of the bearing outer ring is provided with a first annular convex body, a plurality of first positioning ball grooves are circumferentially formed in the first annular convex body at equal intervals, first balls are movably arranged in each first positioning ball groove, and an annular positioning sliding groove matched with the first balls is formed in the bottom of the bearing inner ring; the top of the bearing inner ring is provided with a rolling positioning assembly;
the top of the bearing outer ring is provided with a positioning ring in a matching way, and the edge of the inner ring of the positioning ring is provided with a second annular convex body matched with the rolling positioning assembly; and a positioning connecting piece is connected between the positioning ring and the bearing outer ring.
As a further scheme of the utility model: the positioning connecting piece comprises a plurality of positioning screws and positioning screw holes, wherein the positioning screws are distributed on the positioning ring at equal intervals in the circumferential direction, the positioning screws penetrate through the positioning ring, the positioning screw holes are formed in a plurality of positions, the positioning screw holes are formed in the top of the outer ring of the bearing at equal intervals in the circumferential direction, and the positioning screw holes are matched with the positioning screws.
As a further scheme of the utility model: the top end of the positioning screw rod is connected with a hexagonal convex body.
As a further scheme of the utility model: the rolling positioning assembly comprises a connecting convex ring and second balls, the connecting convex ring is connected to the top of the bearing inner ring, a plurality of second positioning ball grooves are circumferentially formed in the connecting convex ring, the second balls are provided with a plurality of second positioning ball grooves, and the second balls are correspondingly matched and arranged in the second positioning ball grooves.
As a further scheme of the utility model: the first annular convex body and the bearing outer ring are an integrated structure body.
As a further scheme of the utility model: the top edge of the bearing inner ring is provided with a measuring shoulder.
The utility model has the beneficial effects that:
1. when the bearing inner ring is in mating connection with the bearing outer ring, the first ball positioned at the bottom of the bearing outer ring is matched and butted with the annular positioning chute at the bottom of the bearing inner ring to realize the preliminary positioning of the bearing inner ring, then the positioning ring is installed, the positioning screw on the positioning ring is butted with the positioning screw hole on the bearing outer ring, and meanwhile, the second annular convex body on the positioning ring is matched with the rolling positioning assembly at the top of the bearing inner ring in a positioning way, so that the bearing inner ring and the bearing outer ring are precisely matched through multiple groups of positioning matching;
2. the positioning ring is fixed at the top of the bearing outer ring by means of the mutual matching of the positioning screw rod and the positioning screw hole, so that the second annular convex body is blocked at the top of the bearing inner ring, and the first annular convex body at the bottom of the bearing outer ring is blocked at the bottom of the bearing inner ring, so that the bearing inner ring is limited in the bearing outer ring, and stable movement is facilitated.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the bearing outer ring of the present utility model;
FIG. 3 is a schematic top view of the bearing inner ring of the present utility model;
fig. 4 is a schematic bottom view of the inner bearing ring of the present utility model.
In the figure: 1. an outer ring of the bearing; 2. a bearing inner ring; 3. a first annular projection; 4. a first ball; 5. a first positioning ball groove; 6. an annular positioning chute; 7. measuring the shoulder; 8. a positioning ring; 9. positioning a screw; 10. hexagonal convex body; 11. positioning screw holes; 12. a second ball; 13. a second positioning ball groove; 14. a second annular projection; 15. and connecting the convex rings.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, a high-precision pairing bearing for a wind power generation turntable comprises a bearing outer ring 1 and a bearing inner ring 2, wherein the bearing inner ring 2 is arranged in the bearing outer ring 1 in a matching way, a first annular convex body 3 is arranged at the inner edge of the bottom of the bearing outer ring 1, and the first annular convex body 3 and the bearing outer ring 1 are integrated structures, namely are integrally cast; a plurality of first positioning ball grooves 5 are circumferentially and equidistantly formed in the first annular convex body 3, first balls 4 are movably arranged in each first positioning ball groove 5, an annular positioning sliding groove 6 matched with the first balls 4 is formed in the bottom of the bearing inner ring 2, when the bearing inner ring 2 is assembled in the bearing outer ring 1, the first balls 4 are firstly arranged in each first positioning ball groove 5 on the first annular convex body 3, then the bearing inner ring 2 is arranged in the bearing outer ring 1, and the annular positioning sliding grooves 6 at the bottom of the bearing inner ring 2 are matched and butted with the distributed first balls 4 to realize the preliminary positioning of the bearing inner ring 2;
the measuring shoulder 7 is arranged at the top edge of the bearing inner ring 2, after the bearing inner ring 2 is initially positioned and installed in the bearing outer ring 1, whether the measuring shoulder 7 at the top of the bearing inner ring 2 is flush with the top of the bearing outer ring 1 or not can be measured through a tool, if not, the first ball 4 is not accurately butted between the annular positioning chute 6 and the first positioning ball groove 5, so that the adjustment of an installer is facilitated, and the accurate installation is ensured;
the top of the bearing inner ring 2 is provided with a rolling positioning assembly, the rolling positioning assembly comprises a connecting convex ring 15 and second balls 12, the connecting convex ring 15 is connected to the top of the bearing inner ring 2, a plurality of second positioning ball grooves 13 are circumferentially formed in the connecting convex ring 15, the second balls 12 are provided in a plurality, and the second balls 12 are correspondingly matched and arranged in the second positioning ball grooves 13;
the top of the bearing outer ring 1 is provided with a positioning ring 8 in a matched manner, the edge of the inner ring of the positioning ring 8 is provided with a second annular convex body 14 matched with the rolling positioning assembly, and the second annular convex body 14 shields the upper part of the rolling positioning assembly, so that the bearing inner ring 2 is limited in the bearing outer ring 1;
a positioning connecting piece is connected between the positioning ring 8 and the bearing outer ring 1, the positioning connecting piece comprises a positioning screw rod 9 and a positioning screw hole 11, the positioning screw rods 9 are arranged in a plurality, and are distributed on the positioning ring 8 at equal intervals in the circumferential direction, the positioning screw rod 9 penetrates through the positioning ring 8, the positioning screw hole 11 is arranged in a plurality, and are arranged at the top of the bearing outer ring 1 at equal intervals in the circumferential direction, the positioning screw hole 11 is matched with the positioning screw rod 9, the top end of the positioning screw rod 9 is connected with a hexagonal convex body 10, and an operator can conveniently disassemble and assemble the positioning screw rod 9 through tools such as a spanner;
when the bearing inner ring 2 is mounted inside the bearing outer ring 1, the positioning ring 8 is abutted to the bearing outer ring 1, and the positioning screw rod 9 on the positioning ring 8 is aligned with the positioning screw hole 11 on the bearing outer ring 1, if the bearing inner ring 2 and the bearing outer ring 1 are not precisely matched, that is, the first ball 4 is offset relative to the bearing inner ring 2 or the first annular convex body 3, the bearing inner ring 2 is higher than the standard mounting position, so that the rolling positioning assembly can jack up the second annular convex body 14, and the positioning ring 8 cannot be in flat contact with the bearing outer ring 1, that is, a gap is easy to generate between the positioning ring 8 and the top of the bearing outer ring 1.
The working principle of the utility model is as follows: firstly, the first balls 4 are arranged in each first positioning ball groove 5 on the first annular convex body 3, then the bearing inner ring 2 is arranged in the bearing outer ring 1, the annular positioning sliding grooves 6 at the bottom of the bearing inner ring 2 are matched and butted with the distributed first balls 4, the preliminary positioning of the bearing inner ring 2 is realized, the preliminary positioning can be realized by measuring whether the measuring shoulder 7 at the top of the bearing inner ring 2 is flush with the top of the bearing outer ring 1 through a tool, if not flush, the first balls 4 are not accurately butted between the annular positioning sliding grooves 6 and the first positioning ball grooves 5, the bearing inner ring 2 and the first balls 4 arranged are adjusted, the positioning ring 8 is butted onto the bearing outer ring 1 after the adjustment, and the positioning screw rods 9 on the positioning ring 8 are aligned with the positioning screw holes 11 on the bearing outer ring 1, and make positioning screw 9 be connected to in the locating screw 11, realize that the holding ring 8 is fixed, the second annular convex body 14 on the holding ring 8 then contradicts on the roll positioning assembly at the bearing inner ring 2 top simultaneously, so the bearing inner ring 2 alright spacing in the bearing outer ring 1, and can rely on the second ball 12 in the roll positioning assembly and the first ball 4 of bottom to rotate relative to the bearing outer ring 1, and when installing the holding ring 8, can observe whether holding ring 8 is in flat contact with the bearing outer ring 1 top, if not in flat contact, there is the gap, then represent that the bearing inner ring 2 has not just been in accurate butt joint with the bearing outer ring 1, need adjust promptly, so finally can ensure that the bearing inner ring 2 and the bearing outer ring 1 pair accurately.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The high-precision pairing bearing for the wind power generation turntable comprises a bearing outer ring (1) and a bearing inner ring (2), wherein the bearing inner ring (2) is arranged in the bearing outer ring (1) in a matching way; the method is characterized in that:
the bearing comprises a bearing outer ring (1), wherein a first annular convex body (3) is arranged at the inner edge of the bottom of the bearing outer ring (1), a plurality of first positioning ball grooves (5) are formed in the first annular convex body (3) at equal intervals in the circumferential direction, first balls (4) are movably arranged in each first positioning ball groove (5), and an annular positioning sliding groove (6) matched with the first balls (4) is formed in the bottom of the bearing inner ring (2); the top of the bearing inner ring (2) is provided with a rolling positioning assembly;
a positioning ring (8) is arranged at the top of the bearing outer ring (1) in a matched mode, and a second annular convex body (14) matched with the rolling positioning assembly is arranged at the edge of the inner ring of the positioning ring (8); a positioning connecting piece is connected between the positioning ring (8) and the bearing outer ring (1).
2. The high-precision pairing bearing for the wind power generation turntable according to claim 1, wherein the positioning connecting piece comprises a positioning screw rod (9) and positioning screw holes (11), the positioning screw rod (9) is provided with a plurality of positioning screw rods, the positioning screw rods (9) are circumferentially equidistantly distributed on the positioning ring (8), the positioning screw rod (9) penetrates through the positioning ring (8), the positioning screw holes (11) are provided with a plurality of positioning screw rods, the circumferential equidistantly arranged on the top of the bearing outer ring (1), and the positioning screw holes (11) are matched with the positioning screw rods (9).
3. The high-precision paired bearing for the wind power generation turntable according to claim 2, wherein the top end of the positioning screw (9) is connected with a hexagonal convex body (10).
4. The high-precision pairing bearing for the wind power generation turntable according to claim 1, wherein the rolling positioning assembly comprises a connecting convex ring (15) and second balls (12), the connecting convex ring (15) is connected to the top of the bearing inner ring (2), a plurality of second positioning ball grooves (13) are circumferentially formed in the connecting convex ring (15), a plurality of second balls (12) are arranged, and the second balls (12) are correspondingly matched and arranged in the second positioning ball grooves (13).
5. The high-precision paired bearing for a wind power generation turntable according to claim 1, wherein the first annular convex body (3) and the bearing outer ring (1) are an integrated structure.
6. A high precision mating bearing for a wind turbine rotor according to claim 1, characterized in that the top edge of the bearing inner ring (2) is provided with a measuring shoulder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456240.3U CN220488097U (en) | 2023-06-08 | 2023-06-08 | High-precision pairing bearing for wind power generation turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456240.3U CN220488097U (en) | 2023-06-08 | 2023-06-08 | High-precision pairing bearing for wind power generation turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488097U true CN220488097U (en) | 2024-02-13 |
Family
ID=89831788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321456240.3U Active CN220488097U (en) | 2023-06-08 | 2023-06-08 | High-precision pairing bearing for wind power generation turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488097U (en) |
-
2023
- 2023-06-08 CN CN202321456240.3U patent/CN220488097U/en active Active
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