CN221278286U - Locking device of knuckle bearing - Google Patents
Locking device of knuckle bearing Download PDFInfo
- Publication number
- CN221278286U CN221278286U CN202322840078.1U CN202322840078U CN221278286U CN 221278286 U CN221278286 U CN 221278286U CN 202322840078 U CN202322840078 U CN 202322840078U CN 221278286 U CN221278286 U CN 221278286U
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- bearing
- section
- limiting element
- hole
- end limiting
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- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims abstract description 56
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000000565 sealant Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a locking device of a joint bearing, which comprises a bearing outer ring, a fork head, a bearing end limiting element and a fork head end limiting element, wherein the bearing outer ring is arranged in an inner hole of the fork head, the bearing end limiting element is connected with the bearing outer ring, and the upper end and the lower end of the fork head end limiting element are respectively connected with the bearing end limiting element and the fork head. The outer end face of the fork head is positioned at the lower part of the bearing hole of the fork head, and a groove is processed and communicated with the bearing hole; the connecting section at the lower part of the fork end limiting element is inlaid in the groove and is connected with the fork head through a fastener, and the upper part of the connecting section is connected with the bearing end limiting element through a through hole. The locking device can reliably lock the joint bearing axially and circumferentially, so that the fork head and the bearing outer ring are effectively prevented from axially displacing under various working conditions, particularly heavy-load working conditions, and the service life of the joint bearing is prolonged.
Description
Technical Field
The utility model relates to a locking device of a joint bearing, and belongs to the field of machinery.
Background
The universal joint pin is widely applied to equipment in metallurgical, mining, cement and other industries, one of key components is a universal joint pin, and the universal joint pin is generally composed of a fork head, a universal shaft, a joint bearing and the like. In the existing cross shaft joint structure, an inner hole of a fork head and an outer ring of a joint bearing generally adopt an interference connection mode to transmit radial load and axial load: under the light and medium load working condition, the requirement of transferring load can be met by adopting smaller interference magnitude: under the working condition of heavy load and large impact, the interference is required to be increased to meet the working condition requirement, but is limited by materials of the fork head and the bearing outer ring and assembly operation, and the interference is not required to be excessive. Therefore, in practical application, under the working conditions of heavy load and large impact, some cross shaft joints have the phenomenon of 'outer race' in the service life, namely, axial displacement occurs after the fork head and the outer ring of the bearing are loosened, so that the cross shaft joints fail in advance, and the service life of the cross shaft joints is shortened.
Disclosure of Invention
The utility model aims to solve the problem of providing a locking device of a joint bearing, which can reliably lock the joint bearing axially and circumferentially, thereby effectively avoiding the axial displacement of a fork head and a bearing outer ring under various working conditions, particularly heavy-load working conditions, and prolonging the service life of the joint bearing.
The utility model relates to a locking device of a joint bearing, which comprises a bearing outer ring, a fork head, a bearing end limiting element and a fork head end limiting element, wherein the bearing outer ring is arranged in an inner hole of the fork head, the bearing end limiting element is connected with the bearing outer ring, and the upper end and the lower end of the fork head end limiting element are respectively connected with the bearing end limiting element and the fork head.
Further, a groove is processed on the lower part of the bearing hole of the outer circular surface of the fork head, and the groove is communicated with the bearing hole; the connecting section I at the lower part of the fork end limiting element is inlaid in the groove and connected with the fork head through a fastener, and the upper part of the connecting section I is connected with the bearing end limiting element through a through hole.
Further, the groove is a square groove or a semicircular groove, and a plurality of threaded holes are formed in the groove; the shape of the connecting section I is matched with the shape and the size of the groove, and a plurality of step holes are formed in the connecting section I and correspond to the positions of the threaded holes in the same size.
Further, the bearing end limiting element is a three-section shaft, a shaft section I at one end of the bearing end limiting element is connected with the through hole, a shaft section II at the other end of the bearing end limiting element is connected with a connecting hole of the bearing outer ring, screw holes are uniformly arranged on the bearing outer ring with the stepped holes in the middle of the bearing end limiting element along the circumferential direction, and the fastening piece tightly presses the bearing end limiting element on the outer end face of the bearing outer ring through the stepped holes and the screw holes.
Further, the bearing end limiting element is a four-section shaft, which is respectively a thread section, a compression section, a tightening section and a connecting section II; the screw thread section is connected with the connecting screw hole of the bearing outer ring, the compaction section is tightly pressed on the outer end surface of the bearing outer ring, the tightening section is polygonal, and the connecting section II is connected with the through hole.
Further, when the bearing end limiting element is a three-section shaft, the connecting hole is a round or square through hole or a blind hole, and the shape and the size of the shaft section II are matched with the connecting hole.
Further, when the bearing end limiting element is a four-section shaft, the connecting screw hole is a threaded through hole or a threaded blind hole.
Further, when connecting hole, connecting screw be the through-hole, axle section II, screw thread section are provided with sealing washer or sealant.
Further, the through hole is circular or square, and the shape and the size of the shaft section I and the connecting section II are matched with the through hole.
The locking device of the utility model has the advantages that: the bearing end limiting element is connected with the bearing outer ring, and limits the axial and circumferential positions of the bearing outer ring; the fork head end limiting element is connected with the fork head and is also connected with the bearing end limiting element, so that the axial and circumferential positions of the bearing outer ring and the fork head are limited through the bearing end limiting element and the fork head end limiting element, the joint bearing is locked, the fork head and the bearing outer ring are effectively prevented from axially displacing under various working conditions, particularly heavy-load working conditions, and the service life of the joint bearing is prolonged.
Drawings
FIG. 1 is a front view of the locking device of the present utility model;
FIG. 2 is a left side view I of the locking device of the present utility model;
FIG. 3 is a second left side view of the locking device of the present utility model;
FIG. 4 is a schematic illustration one of a bearing end stop member;
FIG. 5 is a second schematic illustration of a bearing end stop member;
FIG. 6 is a schematic view of a fork;
fig. 7 is a schematic view of the prong end limiting member.
Detailed Description
Example 1
As can be seen from fig. 1, 2 and 3, the locking device of the joint bearing of the present utility model comprises a bearing outer ring 1, a fork head 2, a bearing end limiting element 3 and a fork head end limiting element 4, wherein the bearing outer ring 1 is arranged in an inner hole of the fork head 2, the bearing end limiting element 3 is connected with the bearing outer ring 1, and the upper end and the lower end of the fork head end limiting element 4 are respectively connected with the bearing end limiting element 3 and the fork head 2.
The axial and circumferential positions of the bearing outer ring 1 are limited by the bearing end limiting element 3, and the fork head end limiting element 4 is connected with the bearing end limiting element 3 while limiting the axial and circumferential positions of the fork head 2, namely, the axial and circumferential positions of the bearing outer ring 1 and the fork head 2 are limited by the bearing end limiting element 3 and the fork head end limiting element 4, so that the locking of the joint bearing is realized. Therefore, under the working conditions of heavy load and large impact, even if the interference magnitude of the fork head and the bearing outer ring is not large, the fork head and the bearing outer ring cannot axially displace, and the service life of the cross shaft joint is prolonged.
Example 2
As can be seen from fig. 1, 2, 3, 6 and 7, the locking device of the present utility model: the outer circular surface of the fork head 2 is provided with a groove 22 at the lower part of the bearing hole 21, and the groove 22 is communicated with the bearing hole 21; the connecting section I42 at the lower part of the fork end limiting element 4 is inlaid in the groove 22 and is connected with the fork head 2 through a fastener, and the upper part of the connecting section I is connected with the bearing end limiting element 3 through a through hole 41.
The groove 22 is a square groove or a semicircular groove, and is provided with a plurality of threaded holes 23; the shape of the connecting section I42 is matched with the shape and the size of the groove 22, and a plurality of step holes 43 are formed in the connecting section I, and the step holes 43 correspond to the threaded holes 23 in position and are identical in size.
The connecting section I42 is inlaid in the groove 22, the fork head end limiting element 4 and the fork head 2 are prevented from loosening, meanwhile, the fork head end limiting element 4 is connected with the bearing end limiting element 3, the bearing end limiting element 3 is connected with the bearing outer ring 1, further, the reliable connection of the locking device with the bearing outer ring 1 and the fork head 2 is realized, the locking of the joint bearing is realized, and the axial and circumferential displacement of the bearing outer ring 1 and the fork head 2 is prevented.
Example 3
As can be seen from fig. 1, 2, 3 and 4, the locking device of the present utility model: the bearing end limiting element 3 is a three-section shaft, a shaft section I31 at one end of the bearing end limiting element is connected with the through hole 41, a shaft section II 32 at the other end of the bearing end limiting element is connected with the connecting hole 12 of the bearing outer ring 1, stepped holes 33 are uniformly arranged in the middle flange section along the circumferential direction, screw holes 11 are formed in positions, corresponding to the stepped holes 33, of the bearing outer ring 1, and a fastener tightly presses the bearing end limiting element 3 on the outer end face of the bearing outer ring 1 through the stepped holes 33 and the screw holes 11.
The bearing end limiting element 3 is fixedly connected with the bearing outer ring 1 through the shaft section II 32, and is fixedly connected with the fork end limiting element 4 through the shaft section I31, and the fork end limiting element 4 is fixedly connected with the fork 2, so that the locking of the joint bearing is realized, and the bearing outer ring 1 and the fork 2 are prevented from axial and circumferential displacement.
Example 4
As can be seen from fig. 1, 2, 3 and 5, the locking device of the present utility model: the bearing end limiting element 3 is a four-section shaft, which is respectively a thread section 34, a compression section 35, a tightening section 36 and a connecting section II 37; the screw thread section 34 is connected with the connecting screw hole 13 of the bearing outer ring 1, the pressing section 35 is tightly pressed on the outer end surface of the bearing outer ring 1, the tightening section 36 is polygonal, and the connecting section II 37 is connected with the through hole 41.
The bearing end limiting element 3 is fixedly connected with the bearing outer ring 1 through the screw thread section 34 and the tightening section 36, and is fixedly connected with the fork end limiting element 4 through the connecting section II 37, and the fork end limiting element 4 is fixedly connected with the fork 2, so that the locking of the joint bearing is realized, and the bearing outer ring 1 and the fork 2 are prevented from axial and circumferential displacement.
Example 5
As can be seen from fig. 1, 2, 3 and 4, the locking device of the present utility model: when the bearing end limiting element 3 is a three-section shaft, the connecting hole 12 is a circular or square through hole or a blind hole, and the shape and the size of the shaft section II 32 are matched with those of the connecting hole 12.
The shape and the size of the shaft section II 32 are the same as those of the connecting hole 12, so that the connection between the bearing end limiting element end 3 and the bearing outer ring 1 is realized.
Example 6
As can be seen from fig. 1, 2, 3 and 5, the locking device of the present utility model: when the bearing end limiting element 3 is a four-section shaft, the connecting screw hole 13 is a threaded through hole or a threaded blind hole.
The thread section 34 is the same as the connecting screw hole 13 in size, and the connection between the bearing end limiting element 3 and the bearing outer ring 1 is realized.
Example 7
The locking device comprises: when the connecting hole 12 and the connecting screw hole 13 are through holes, the shaft section II 32 and the thread section 34 are provided with sealing gaskets or sealing glue.
The sealing gasket or sealant seals the matching sections of the bearing outer ring 1 and the bearing end limiting element 3.
Example 8
As can be seen from fig. 1, 2, 3, 4 and 5, the locking device of the present utility model: the through hole 41 is round or square, and the shape and the size of the shaft section I31 and the connecting section II 37 are matched with those of the through hole 41.
The shaft section I31 and the connecting section II 37 are the same as the through hole 41 in size, so that the bearing end limiting element 3 and the fork end limiting element 4 are connected.
The locking device of the knuckle bearing has the advantages that: the bearing end limiting element 3 is connected with the bearing outer ring 1 and limits the axial and circumferential positions of the bearing outer ring 1; the fork head end limiting element 4 is connected with the fork head 2 and is also connected with the bearing end limiting element 3, so that the axial and circumferential positions of the bearing outer ring 1 and the fork head 2 are limited through the bearing end limiting element 3 and the fork head end limiting element 4, the locking of the joint bearing is realized, the occurrence of axial displacement of the fork head and the bearing outer ring under various working conditions, particularly heavy-load working conditions, is effectively avoided, and the service life of the joint bearing is prolonged.
Claims (9)
1. A locking device of a joint bearing is characterized in that: the novel bearing comprises a bearing outer ring (1), a fork head (2), a bearing end limiting element (3) and a fork head end limiting element (4), wherein the bearing outer ring (1) is arranged in an inner hole of the fork head (2), the bearing end limiting element (3) is connected with the bearing outer ring (1), and the upper end and the lower end of the fork head end limiting element (4) are respectively connected with the bearing end limiting element (3) and the fork head (2).
2. The locking device of claim 1, wherein: the outer circular surface of the fork head (2) is positioned at the lower part of the bearing hole (21) and is provided with a groove (22), and the groove (22) is communicated with the bearing hole (21); the connecting section I (42) at the lower part of the fork end limiting element (4) is inlaid in the groove (22) and is connected with the fork head (2) through a fastener, and the upper part of the connecting section I is connected with the bearing end limiting element (3) through a through hole (41).
3. The locking device of claim 2, wherein: the groove (22) is a square groove or a semicircular groove, and a plurality of threaded holes (23) are formed in the groove; the shape of the connecting section I (42) is matched with the shape and the size of the groove (22), a plurality of step holes (43) are formed in the connecting section I, and the step holes (43) correspond to the threaded holes (23) in position and are identical in size.
4. The locking device of claim 2, wherein: the bearing end limiting element (3) is a three-section shaft, a shaft section I (31) at one end of the bearing end limiting element is connected with a through hole (41), a shaft section II (32) at the other end of the bearing end limiting element is connected with a connecting hole (12) of the bearing outer ring (1), stepped holes (33) are uniformly distributed in the middle flange section along the circumferential direction, screw holes (11) are formed in positions, corresponding to the stepped holes (33), of the bearing outer ring (1), and a fastener tightly presses the bearing end limiting element (3) on the outer end face of the bearing outer ring (1) through the stepped holes (33) and the screw holes (11).
5. The locking device of claim 2, wherein: the bearing end limiting element (3) is a four-section shaft, which is respectively a threaded section (34), a compression section (35), a tightening section (36) and a connecting section II (37); the screw thread section (34) is connected with a connecting screw hole (13) of the bearing outer ring (1), the compression section (35) is tightly pressed on the outer end surface of the bearing outer ring (1), the tightening section (36) is polygonal, and the connecting section II (37) is connected with the through hole (41).
6. The locking device of claim 4, wherein: when the bearing end limiting element (3) is a three-section shaft, the connecting hole (12) is a round or square through hole or a blind hole, and the shape and the size of the shaft section II (32) are matched with those of the connecting hole (12).
7. The locking device of claim 5, wherein: when the bearing end limiting element (3) is a four-section shaft, the connecting screw hole (13) is a threaded through hole or a threaded blind hole.
8. A locking device according to claim 6 or 7, characterized in that: when the connecting hole (12) and the connecting screw hole (13) are through holes, the shaft section II (32) and the thread section (34) are provided with sealing gaskets or sealing glue.
9. A locking device according to claim 4 or 5, characterized in that: the through hole (41) is round or square, and the shape and the size of the shaft section I (31) and the connecting section II (37) are matched with those of the through hole (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322840078.1U CN221278286U (en) | 2023-10-23 | 2023-10-23 | Locking device of knuckle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322840078.1U CN221278286U (en) | 2023-10-23 | 2023-10-23 | Locking device of knuckle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221278286U true CN221278286U (en) | 2024-07-05 |
Family
ID=91705514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322840078.1U Active CN221278286U (en) | 2023-10-23 | 2023-10-23 | Locking device of knuckle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221278286U (en) |
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2023
- 2023-10-23 CN CN202322840078.1U patent/CN221278286U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |