CN220160920U - Dismounting device for replacing roller bearing - Google Patents
Dismounting device for replacing roller bearing Download PDFInfo
- Publication number
- CN220160920U CN220160920U CN202321458994.2U CN202321458994U CN220160920U CN 220160920 U CN220160920 U CN 220160920U CN 202321458994 U CN202321458994 U CN 202321458994U CN 220160920 U CN220160920 U CN 220160920U
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- Prior art keywords
- clamping ring
- snap ring
- dismounting device
- rings
- flat key
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- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000003825 pressing Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rolls And Other Rotary Bodies (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a dismounting device for replacing a roller bearing, which comprises an inner snap ring group, wherein the bottom of the inner snap ring group is clamped with a flat key, the outer surface of the flat key is fixedly connected with an outer snap ring, four inclined taper holes are uniformly distributed on the outer surface of the outer snap ring, balls are placed in each inclined taper hole, the balls are in contact connection with a spring, and the surface of the outer snap ring is fixedly connected with a pressing plate at the orifice position of the inclined taper hole; the utility model can be quickly disassembled and assembled on the shaft head, thereby reducing the time of replacing and maintaining parts such as the bearing on the shaft and the like and improving the production efficiency; the inner clamping ring is composed of two semi-rings, one end of the semi-rings is hinged by the pin shaft, and the other end of the semi-rings is provided with the key slot, so that the inner clamping ring and the outer clamping ring can be positioned, and the inner clamping ring and the outer clamping ring are prevented from being misplaced when the shaft rotates at a high speed.
Description
Technical Field
The utility model belongs to the technical field of metallurgical rolling equipment, and particularly relates to a dismounting device for replacing a roller bearing.
Background
When rolling, the roller can run at high speed and wear the roller bearing frequently, so the roller bearing is a device which is extremely easy to wear. In order to ensure normal operation, the bearings need to be replaced in time, otherwise, during the rolling process, the abrasion of the bearings can cause the influence on the production efficiency and the quality of the rolled plates.
In the prior art, when a roller bearing of a rolling mill is disassembled and assembled, a shaft head is commonly provided with two semi-rings connected by a screw and a pin shaft or a clamping ring with threads is utilized, the disassembly and assembly structure of the bearing has shorter service life in the use process, the threads are easy to rust and are increased in replacement period along with the increase of the running time of equipment, and the threads of the clamping ring possibly slide, so that certain potential safety hazards are caused.
Therefore, a device capable of being quickly disassembled and assembled on the shaft head is needed, so that the bearing replacement time is shortened, and the normal operation of the rolling mill is ensured.
Disclosure of Invention
The utility model aims to provide a dismounting device for replacing a roller bearing, which solves the problem that the roller bearing is difficult to replace in the prior art.
The technical scheme adopted by the utility model is that the dismounting device for replacing the roller bearing comprises an inner snap ring group, wherein the bottom of the inner snap ring group is clamped with a flat key, the outer snap ring is fixedly connected with the outer surface of the flat key, four inclined taper holes are uniformly distributed on the outer surface of the outer snap ring, balls are placed in each inclined taper hole, the balls are in contact connection with a spring, and the surface of the outer snap ring is fixedly connected with a pressing plate at the orifice position of each inclined taper hole.
The utility model is also characterized in that the inner clamping ring group comprises two half clamping rings, one ends of the half clamping rings are connected through pin shafts, the other ends of the half clamping rings are connected with flat keys through key slot holes, and V-shaped clamping grooves are formed in the peripheries of the half clamping rings;
the flat key and the outer clamping ring are provided with through holes with the same inner diameter, and the surface of the outer clamping ring is fixedly connected with screws through the through holes;
the inclination angle from the outer circle to the inner circle end face of the inclined taper hole is 3-4 degrees;
the pressing plate is connected with the outer clamping ring through a bolt;
the side part of the outer clamping ring is fixedly connected with a handle at the position close to the shaft end.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, the two anti-slip handles are fixedly connected at the side part of the outer clamping ring near the shaft end, so that the device is more convenient to mount and dismount on the shaft;
(2) The utility model can be quickly disassembled and assembled on the shaft head, thereby reducing the time of replacing and maintaining parts such as the bearing on the shaft and the like and improving the production efficiency;
(3) The inner clamping ring is composed of two semi-rings, one end of the semi-rings is hinged by the pin shaft, and the other end of the semi-rings is provided with the key slot, so that the inner clamping ring and the outer clamping ring can be positioned, and the inner clamping ring and the outer clamping ring are prevented from being misplaced when the shaft rotates at a high speed.
Drawings
FIG. 1 is a schematic view of a dismounting device for replacing a roll bearing according to the present utility model;
FIG. 2 is a side cross-sectional view of the dismounting device for changing roller bearings of the present utility model;
FIG. 3 is a side view of the mounting and dismounting device of the utility model for replacement of roller bearings mounted on a shaft;
in the figure, 1 an inner clamping ring set, 2 a flat key, 3 an outer clamping ring, 4 an inclined taper hole, 5 a ball, 6 a spring, 7 a pressing plate, 8 a half clamping ring, 9 a through hole, 10 a screw and 11 a handle.
Detailed Description
The utility model will now be described in detail with reference to the drawings and examples.
Example 1
As shown in fig. 1, the dismounting device for replacing the roller bearing comprises an inner snap ring group 1, a flat key 2 is clamped at the bottom of the inner snap ring group 1, an outer snap ring 3 is fixedly connected to the outer surface of the flat key 2, four inclined cone holes 4 are uniformly distributed on the outer surface of the outer snap ring 3, balls 5 are placed in each inclined cone hole 4, the balls 5 are in contact connection with springs 6, and a pressing plate 7 is fixedly connected to the surface of the outer snap ring 3 at the orifice position of each inclined cone hole 4. According to the utility model, pressure rebound is realized through the inclined taper hole 4, the ball 5 and the spring 6, so that the bearing can be quickly disassembled and assembled.
Example 2
As shown in fig. 1, the dismounting device for replacing the roller bearing comprises an inner snap ring group 1, a flat key 2 is clamped at the bottom of the inner snap ring group 1, an outer snap ring 3 is fixedly connected to the outer surface of the flat key 2, four inclined cone holes 4 are uniformly distributed on the outer surface of the outer snap ring 3, balls 5 are placed in each inclined cone hole 4, the balls 5 are in contact connection with springs 6, and a pressing plate 7 is fixedly connected to the surface of the outer snap ring 3 at the orifice position of each inclined cone hole 4. According to the utility model, pressure rebound is realized through the inclined taper hole 4, the ball 5 and the spring 6, so that the bearing can be quickly disassembled and assembled.
The inner snap ring group 1 comprises two half snap rings 8, one ends of the half snap rings 8 are connected through pin shafts, the other ends of the half snap rings 8 are connected with the flat key 2 through key slot holes, and V-shaped clamping grooves are formed in the periphery of the half snap rings 8. The flat key 2 and the outer clamping ring 3 are provided with through holes 9 with the same inner diameter, and the outer clamping ring surface 3 is fixedly connected with a screw 10 through the through holes 9. The setting can fix a position interior snap ring group 1 and outer snap ring 3, guarantees that interior snap ring group 1 can not take place the dislocation condition when the roll high-speed motion with outer snap ring 3, safe and reliable more.
Example 3
The dismounting device for replacing the roller bearing comprises an inner snap ring group 1, wherein a flat key 2 is clamped at the bottom of the inner snap ring group 1, an outer snap ring 3 is fixedly connected to the outer surface of the flat key 2, and a handle 11 is fixedly connected to the side part of the outer snap ring 3 close to the shaft end as shown in fig. 3; the handle 11 is an anti-slip handle, which facilitates the installation and removal of the shaft by the user.
Four inclined taper holes 4 are uniformly distributed on the outer surface of the outer clamping ring 3, and the inclination angle from the outer circle to the inner circle end surface of the inclined taper holes 4 is 3-4 degrees;
as shown in fig. 2, balls 5 are placed in each inclined conical hole 4, the balls 5 are connected with springs 6 in a contact manner, and a pressing plate 7 is fixedly connected to the surface of the outer clamping ring 3 at the orifice position of the inclined conical hole 4; the pressing plate 7 is connected with the outer clamping ring 3 through two bolts, so that the stability of the whole structure is improved. According to the utility model, pressure rebound is realized through the inclined taper hole 4, the ball 5 and the spring 6, so that the bearing can be quickly disassembled and assembled.
The inner snap ring group 1 comprises two half snap rings 8, one ends of the half snap rings 8 are connected through pin shafts, the other ends of the half snap rings 8 are connected with the flat key 2 through key slot holes, and V-shaped clamping grooves are formed in the periphery of the half snap rings 8. The flat key 2 and the outer clamping ring 3 are provided with through holes 9 with the same inner diameter, and the outer clamping ring surface 3 is fixedly connected with a screw 10 through the through holes 9. The setting can fix a position interior snap ring group 1 and outer snap ring 3, guarantees that interior snap ring group 1 can not take place the dislocation condition when the roll high-speed motion with outer snap ring 3, safe and reliable more.
The working process of the utility model is as follows:
during installation, one end of each of the two half clamping rings 8 is connected through a pin shaft, the other end of each half clamping ring is fixed with the outer clamping ring 3, the flat key 2 and the inner clamping ring group 1 through bolts 10, partial installation of the inner clamping ring group 1 is completed, the balls 5 are placed in the inclined conical holes 4, the diameter of the inner circle can be 1/4 of the diameter of the balls 5, the springs 6 are placed on the balls 5, finally, the outer round holes are covered through the pressing plates 7, and the two ends of each outer round hole are fixed through bolts, so that the partial installation of the outer clamping ring 3 is completed. At this time, the inner clamping ring 8 is provided with a V-shaped clamping groove, and the balls 5 of the outer clamping ring 3 can be clamped into the clamping groove during installation.
During disassembly, the screw 10 which is connected with the outer clamping ring 3 and the flat key 2 is taken off, then the handle 11 is grasped to push the outer clamping ring 3 towards the direction of the positioning ring, the spring 6 can compress, the ball 5 of the outer clamping ring 3 is pushed into the groove on the positioning ring, the inner clamping ring group 1 is removed, and finally the outer clamping ring is withdrawn, so that the function of quickly replacing the roller bearing can be realized.
The dismounting device for replacing the roller bearing has the advantages that the dismounting device can be quickly dismounted and mounted on the shaft head, so that the time for replacing and maintaining parts such as the bearing on the shaft is reduced, and the production efficiency is improved; the inner clamping ring is composed of two semi-rings, one end of the semi-rings is hinged by the pin shaft, and the other end of the semi-rings is provided with the key slot, so that the inner clamping ring and the outer clamping ring can be positioned, and the inner clamping ring and the outer clamping ring are prevented from being misplaced when the shaft rotates at a high speed.
Claims (6)
1. A dismouting device for changing roller bearing, its characterized in that includes interior snap ring group (1), interior snap ring group (1) bottom joint has flat key (2), flat key (2) surface rigid coupling has outer clamping ring (3), outer clamping ring (3) surface evenly distributed has four oblique taper holes (4), every ball (5) have all been placed in oblique taper hole (4), ball (5) contact is connected with spring (6), outer clamping ring (3) surface has clamp plate (7) in the drill way position rigid coupling of oblique taper hole (4).
2. The dismounting device for replacing a roller bearing according to claim 1, wherein the inner clamping ring set (1) comprises two half clamping rings (8), one ends of the half clamping rings (8) are connected through pin shafts, the other ends of the half clamping rings are connected with the flat key (2) through key slot holes, and V-shaped clamping grooves are formed in the peripheries of the half clamping rings (8).
3. The dismounting device for replacing roller bearings according to claim 1, characterized in that the flat key (2) and the outer clamping ring (3) are provided with through holes (9) with the same inner diameter, and the surface of the outer clamping ring (3) is fixedly connected with screws (10) through the through holes (9).
4. Dismounting device for changing roller bearings according to claim 1, characterized in that the angle of inclination of the outer to inner end face of the beveled cone hole (4) is 3-4 °.
5. Dismounting device for changing roller bearings according to claim 1, characterized in that the pressure plate (7) is connected with the outer clamping ring (3) by means of bolts.
6. Dismounting device for changing roller bearings according to claim 1, characterized in that the side of the outer collar (3) is fixedly connected with a handle (11) close to the shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458994.2U CN220160920U (en) | 2023-06-08 | 2023-06-08 | Dismounting device for replacing roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458994.2U CN220160920U (en) | 2023-06-08 | 2023-06-08 | Dismounting device for replacing roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220160920U true CN220160920U (en) | 2023-12-12 |
Family
ID=89065421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321458994.2U Active CN220160920U (en) | 2023-06-08 | 2023-06-08 | Dismounting device for replacing roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220160920U (en) |
-
2023
- 2023-06-08 CN CN202321458994.2U patent/CN220160920U/en active Active
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