CN221054166U - Bearing mounting seat with shaft diameter compensation function - Google Patents
Bearing mounting seat with shaft diameter compensation function Download PDFInfo
- Publication number
- CN221054166U CN221054166U CN202323105789.0U CN202323105789U CN221054166U CN 221054166 U CN221054166 U CN 221054166U CN 202323105789 U CN202323105789 U CN 202323105789U CN 221054166 U CN221054166 U CN 221054166U
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- Prior art keywords
- bearing
- main shaft
- traction
- traction rod
- compensation function
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- 230000001154 acute effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000007507 annealing of glass Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Support Of The Bearing (AREA)
Abstract
The utility model discloses a bearing mounting seat with a shaft diameter compensation function, which comprises a main shaft, a bearing, a traction rod and a nut, wherein the bearing is assembled on the main shaft, an axial through hole and a plurality of through grooves penetrating through the side wall of the main shaft are formed in the main shaft, ejector blocks are slidably arranged in the through grooves, the traction rod is coaxially arranged in the axial through hole, one end of the traction rod penetrates through the end face of the main shaft and is in threaded connection with the nut, the ejector blocks are abutted between the inner wall of a bearing inner ring and the outer wall of the traction rod, after the bearing is arranged on the main shaft, the nut is screwed to apply axial traction force to the traction rod, the traction rod drives the ejector blocks to apply radial pressure to the inner wall of the bearing inner ring, so that the shaft diameter is compensated through outward expansion of the ejector blocks, the bearing can be smoothly dismounted on the main shaft, friction force between the main shaft and the bearing inner ring is ensured after the bearing is arranged, the bearing inner ring is always rotated with a rotating shaft, and the running stability and the service life of equipment are further improved.
Description
Technical Field
The utility model belongs to the technical field of bearing installation, and relates to a bearing fixing structure, in particular to a bearing installation seat with a shaft diameter compensation function.
Background
At present, the domestic liquid crystal glass substrate is mainly produced by adopting an overflow downdraw method, wherein a long roller plays a very key role in infiltration and emergency of a forming process. Because of the structure and the technological characteristics of the glass annealing furnace, the limiting structure of the long roller in the prior art mainly depends on floating bearing seats at two ends of the long roller.
Because the metal material has certain thermal expansibility, in the actual production process, in order to facilitate the disassembly and assembly of bearings at two ends of the long roller, the diameter of the main shaft is required to be set to be as smaller than that of the inner ring of the bearing as possible, but the connection between the main shaft and the inner ring of the bearing is loose due to the method, so that the friction force between the main shaft and the inner ring of the bearing is reduced, the phenomenon that the inner ring of the bearing does not rotate with the main shaft is very easy to occur, and the working stability of equipment is influenced.
Disclosure of utility model
In order to solve the technical problems in the background art, the utility model provides the bearing mounting seat with the shaft diameter compensation function, and the friction force between the mounting shaft surface of the main shaft and the bearing inner ring is ensured by compensating the shaft diameter after the bearing is mounted on the main shaft.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a bearing mount pad with diameter of axle compensation function, includes main shaft, bearing, traction lever and nut, the bearing assembly is on the main shaft, axial through-hole and a plurality of logical groove that runs through the main shaft lateral wall of seting up on the main shaft, all slidable mounting has the kicking block in the logical inslot, traction lever coaxial arrangement is in axial through-hole and one end pass main shaft terminal surface and nut threaded connection, the kicking block all supports between bearing inner race inner wall and the traction lever outer wall to make when twisting the nut and applys axial traction force to the traction lever, the traction lever will apply radial pressure to bearing inner race inner wall through the kicking block.
Further, the main shaft is in clearance fit with the bearing.
Further, a threaded counter bore and a threaded limiting sleeve are arranged on the end face of the main shaft, the threaded limiting sleeve is inserted into the threaded counter bore and is in threaded connection with the main shaft, and a reset assembly is arranged on a traction rod on the inner side of the threaded limiting sleeve.
Further, reset assembly includes spring and spacing boss, spacing boss is fixed to be set up at the traction lever middle part, the spring housing is established on the traction lever between screw thread stop collar and spacing boss.
Further, an acute angle is formed between the contact surface of the outer wall of the traction rod and the top block and the axial lead of the main shaft.
Further, a slide way corresponding to the top block is arranged on the contact surface of the outer wall of the traction rod and the top block, and the top block is inserted into the slide way and is in sliding connection with the traction rod.
Further, the slide is a T-shaped slide, guide bars are symmetrically arranged on the side faces of the top blocks, and the top blocks are inserted into the T-shaped slide through the guide bars on the two sides to be in sliding fit with the traction rods.
Further, the top of the top block is an arc surface.
Further, the through grooves, the top blocks and the slide ways are arranged correspondingly to each other and are uniformly distributed in an array along the circumference of the axial lead of the main shaft.
The utility model has the beneficial effects that: the bearing mounting seat with the shaft diameter compensation function provided by the utility model adopts clearance fit between the main shaft and the bearing, after the bearing is mounted on the main shaft, the inclined plane at one end of the traction rod is utilized to be in linkage fit with the jacking block, and the jacking block is outwards expanded to compensate the shaft diameter, so that the bearing can be smoothly dismounted on the main shaft, the friction force between the main shaft and the inner ring of the bearing is ensured after the bearing is mounted, the inner ring of the bearing always rotates along with the rotating shaft, the running stability of equipment is further improved, and the service life of the equipment is prolonged,
Drawings
Fig. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is a schematic structural view of the spindle of the present utility model.
Fig. 3 is a schematic view of the structure of the traction lever of the present utility model.
Fig. 4 is a schematic view of the structure of the top block of the present utility model.
Fig. 5 is a schematic view of a drawbar linkage top block of the present utility model.
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. 1-3, the utility model provides a bearing mounting seat with a shaft diameter compensation function, which comprises a main shaft 1, wherein the main shaft 1 is provided with three step shaft surfaces, an intermediate shaft surface is used as a mounting shaft surface of a bearing, a bearing 2 is sleeved on the outer side of the main shaft 1, and the main shaft 1 is in clearance fit with the bearing 2, so that the mounting seat is convenient to assemble and disassemble.
The center of the main shaft 1 is provided with an axial through hole 4, a traction rod 8 is coaxially arranged in the axial through hole 4, one end of the traction rod 8 penetrates through the end face of the main shaft 1 and is in threaded connection with a nut 7, when the nut 7 is screwed, axial traction force is applied to the traction rod 8, and at the moment, the traction rod 8 feeds to the outside of the main shaft 1.
Specifically, a threaded counter bore 10 and a threaded limit sleeve 6 are arranged on one end face of the main shaft 1, the threaded limit sleeve 6 is inserted into the threaded counter bore 10 to be in threaded connection with the main shaft 1, a round hole is formed in the center of the threaded limit sleeve 6, and a traction rod 8 penetrates through the threaded limit sleeve 6 from the round hole.
The reset component is installed on the draw bar 8 on the inner side of the threaded limit sleeve 6 and comprises a limit boss 15 fixedly arranged in the middle of the draw bar 8 and a spring 5 sleeved on the draw bar 8, wherein the limit boss 15 is in a round step shape, the spring 5 is arranged between the threaded limit sleeve 6 and the limit boss 15, the draw bar 8 is supported by the threaded limit sleeve 6 through a nut 7 and the spring 5, displacement and reset of the draw bar 8 are achieved, specifically, when the nut 7 is screwed, the draw bar 8 is fed to the outside of the main shaft 1, the limit boss 15 is close to the threaded limit sleeve 6, the spring 5 is in a compressed state, and when the nut 7 is unscrewed, the spring 5 is reset under the action of elasticity to drive the draw bar 8 to feed to the inside of the main shaft 1.
The installation axial plane of main shaft 1 is equipped with four logical groove 9 that run through main shaft 1 lateral wall, leads to groove 9 and axial through-hole 4 intercommunication, and logical groove 9 all slidable mounting has kicking block 3, and kicking block 3 all supports between bearing 2 inner circle inner wall and the traction lever 8 outer wall, be sharp angle setting between the axial lead of main shaft 1 between the contact surface 12 of traction lever 8 outer wall and kicking block 3, concretely, the contact portion of traction lever 8 and kicking block 3 sets up to the round platform to set up on the contact surface 12 of traction lever 8 outer wall and kicking block 3 and offered the slide 13 corresponding to kicking block 3, kicking block 3 inserts in slide 13 with traction lever 8 sliding connection, and when traction lever 8 feeds to main shaft 1 outside, kicking block 3 slides along contact surface 12 in slide 13, and when traction lever 8 feeds to main shaft 1 inside, kicking block 3 slides down along contact surface 12 in slide 13.
As shown in fig. 4, the top of the top block 3 is an arc surface 11, guide bars 14 are symmetrically arranged on the side surfaces, a slide way 13 is a T-shaped slide way, and the top block 3 is inserted into the T-shaped slide way through the guide bars 14 on the two sides to be in sliding fit with the traction rod 8.
The guide strip 10 is obliquely arranged and has a certain inclination angle.
The through grooves 9 arranged on the surface of the main shaft 1 are waist-shaped holes, and the through grooves 9, the top blocks 3 and the slide ways 13 are correspondingly arranged and uniformly distributed along the circumference of the axial lead of the main shaft 1.
As shown in fig. 5, when the bearing 2 needs to be disassembled and assembled, the nut 7 can be unscrewed, at this time, the traction rod 8 feeds into the shaft, the slideway 13 arranged on the inclined plane at one end of the traction rod 8 is linked with the ejector block 3, so that the ejector block 3 contracts inwards towards the axial through hole 4, because the main shaft 1 and the bearing 2 are in clearance fit, the bearing 2 can be easily disassembled and assembled, after the bearing 2 is installed at a designated position, the nut 7 is screwed at this time, the traction rod 8 feeds outwards, the slideway 13 arranged on the inclined plane at one end of the traction rod 8 is linked with the ejector block 3, so that the ejector block 3 passes through the shaft surface outwards along the through groove 9 and further abuts against the inner ring of the bearing 2, the friction force between the installation shaft surface of the main shaft 1 and the inner ring of the bearing 2 is effectively ensured, the inner ring of the bearing 2 always rotates along with the rotating shaft, and the stability and the service life of the equipment are further improved.
The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The utility model provides a bearing mount pad with diameter of axle compensation function, its characterized in that includes main shaft (1), bearing (2), traction lever (8) and nut (7), bearing (2) assembly is on main shaft (1), axial through-hole (4) and a plurality of logical groove (9) that run through main shaft (1) lateral wall have been seted up on main shaft (1), equal slidable mounting has kicking block (3) in logical groove (9), traction lever (8) coaxial mounting is in axial through-hole (4) and one end pass main shaft (1) terminal surface and nut (7) threaded connection, kicking block (3) all support between bearing (2) inner circle inner wall and traction lever (8) outer wall to make when twisting nut (7) to apply axial traction to traction lever (8), traction lever (8) will apply radial pressure to bearing (2) inner circle inner wall through kicking block (3).
2. Bearing mount with shaft diameter compensation according to claim 1, characterized in that the main shaft (1) is in clearance fit with the bearing (2).
3. The bearing mounting seat with the shaft diameter compensation function according to claim 1, wherein a threaded counter bore (10) and a threaded limit sleeve (6) are arranged on the end face of the main shaft (1), the threaded limit sleeve (6) is inserted into the threaded counter bore (10) to be in threaded connection with the main shaft (1), and a reset component is arranged on a traction rod (8) on the inner side of the threaded limit sleeve (6).
4. A bearing mounting seat with a shaft diameter compensation function according to claim 3, characterized in that the reset assembly comprises a spring (5) and a limiting boss (15), the limiting boss (15) is fixedly arranged in the middle of the traction rod (8), and the spring (5) is sleeved on the traction rod (8) between the threaded limiting sleeve (6) and the limiting boss (15).
5. Bearing mounting seat with shaft diameter compensation function according to claim 1, characterized in that the contact surface (12) between the outer wall of the traction rod (8) and the top block (3) and the axial line of the main shaft (1) are arranged at an acute angle.
6. The bearing mounting seat with the shaft diameter compensation function according to claim 5, wherein a slideway (13) corresponding to the top block (3) is arranged on a contact surface (12) between the outer wall of the traction rod (8) and the top block (3), and the top block (3) is inserted into the slideway (13) to be in sliding connection with the traction rod (8).
7. The bearing mounting seat with the shaft diameter compensation function according to claim 6, wherein the slide way (13) is a T-shaped slide way, guide strips (14) are symmetrically arranged on the side face of the top block (3), and the top block (3) is inserted into the T-shaped slide way through the guide strips (14) on two sides to be in sliding fit with the traction rod (8).
8. Bearing mounting seat with shaft diameter compensation function according to claim 1, characterized in that the top of the top block (3) is an arc surface (11).
9. The bearing mounting seat with the shaft diameter compensation function according to claim 1, wherein the through groove (9), the top block (3) and the slide way (13) are correspondingly arranged, and are uniformly distributed in an array along the circumference of the axial lead of the main shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323105789.0U CN221054166U (en) | 2023-11-17 | 2023-11-17 | Bearing mounting seat with shaft diameter compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323105789.0U CN221054166U (en) | 2023-11-17 | 2023-11-17 | Bearing mounting seat with shaft diameter compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221054166U true CN221054166U (en) | 2024-05-31 |
Family
ID=91198892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323105789.0U Active CN221054166U (en) | 2023-11-17 | 2023-11-17 | Bearing mounting seat with shaft diameter compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221054166U (en) |
-
2023
- 2023-11-17 CN CN202323105789.0U patent/CN221054166U/en active Active
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