CN220922272U - Bearing inner sleeve dismounting device - Google Patents
Bearing inner sleeve dismounting device Download PDFInfo
- Publication number
- CN220922272U CN220922272U CN202322164684.6U CN202322164684U CN220922272U CN 220922272 U CN220922272 U CN 220922272U CN 202322164684 U CN202322164684 U CN 202322164684U CN 220922272 U CN220922272 U CN 220922272U
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- bearing inner
- inner sleeve
- chuck
- heating
- bearing
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- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 238000001514 detection method Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model belongs to the technical field of maintenance tools, in particular to a bearing inner sleeve dismounting device, a worker can hold a limit bolt by hand, two groups of chucks are connected in a threaded manner through a thread groove, and the limit bolt can adjust the size of the two groups of chucks after being connected so as to adapt to the bearing inner sleeve, so that the bearing inner sleeve on the inner side can be clamped and fixed under the clamping of the chucks, and further the subsequent heating and dismounting operation is facilitated; in the heating process, the heating ring is attached to the surface of the chuck, so that the chuck and the bearing inner sleeve on the inner side are fully heated, the bearing inner sleeve is fully heated and expanded through interference fit between the bearing inner sleeve and the shaft, the bearing inner sleeve is fully embedded in a clamping groove of the chuck, after the set heating temperature is reached and the temperature is reduced, the limit bolt is disassembled, and the outer pull handle pulls out the chuck to complete the disassembling work of the bearing inner sleeve; the infrared temperature measuring sensor is non-contact, and the probe end of the infrared temperature measuring sensor is aligned with the outer side of the bearing inner sleeve to be heated, so that the measurement accuracy is ensured.
Description
Technical Field
The utility model belongs to the technical field of maintenance tools, and particularly relates to a bearing inner sleeve dismounting device.
Background
The motor can not be shut down and maintained in time when running for a long time in a harsher environment or running continuously due to the production process requirement, and the bearing inner sleeve and the rotating shaft can be connected together due to friction heating or rust, so that the inner sleeve can not be removed when the motor bearing is replaced, the bearing inner sleeve is difficult to detach by using a conventional dismounting tool, and the bearing inner sleeve is often cut off by using equipment such as an angle grinder, a gas cutting machine and the like. The disassembly is time-consuming and labor-consuming, and simultaneously, the motor rotating shaft is damaged due to the fact that the equipment such as an angle grinder, gas cutting and the like is used with great potential safety hazards and careless operation.
For this purpose, a bearing inner sleeve dismounting device is designed to solve the above-mentioned problems.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides a bearing inner sleeve dismounting device, in the use process of the device, a handle can be inserted from the inner side of a chute of a heating frame together with a group of chucks, then a bearing and a bearing inner sleeve are inserted into the inner side of a placing groove in the middle of the heating frame along a disc bracket, afterwards, a worker can hold a limit bolt in a hand, two groups of chucks are screwed together through a thread groove, the limit bolt can adjust the size of the two groups of chucks after being combined together so as to adapt to the bearing inner sleeve, so that the inner bearing inner sleeve can be clamped and fixed under the clamping of the chucks, and further the subsequent heating dismounting operation is facilitated.
In the heating process, an internal heating ring can be electrically started through an external intelligent control box, the heating ring is attached to the surface of the chuck, so that the chuck and the bearing inner sleeve on the inner side are fully heated, the bearing inner sleeve is fully heated and expanded through interference fit between the bearing inner sleeve and the shaft, the bearing inner sleeve is fully embedded into a clamping groove of the chuck, after the set heating temperature is reached and the temperature is reduced, a limit bolt is disassembled, the chuck is pulled out by an external pulling handle, so that the disassembling of the bearing Nie Tao can be completed, the operation is convenient, time and labor are saved, and the structures of a rotating shaft and the shaft sleeve are not damaged; on the other hand, the inner side of the detection support points to the inner side of the bearing inner sleeve, the infrared temperature sensor on the surface of the detection support is in non-contact type, and the probe end of the detection support is aligned to the outer side of the bearing inner sleeve to be heated, so that the measurement accuracy is ensured.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bearing endotheca dismounting device, includes heating dismounting mechanism and standing groove, heating dismounting mechanism includes heating frame, disk bracket, chuck, handle and stop bolt, the middle part of heating frame with disk bracket's fixed surface connects the handle runs through disk bracket's inner wall with chuck's fixed surface connects, stop bolt threaded connection is in the both sides of chuck.
Preferably, as a bearing inner sleeve dismounting device, the surface of the placing groove is also electrically connected with a heating ring.
As the bearing inner sleeve dismounting device, preferably, one side of the heating frame far away from the disc bracket is also provided with a detection bracket and an infrared temperature sensor, the top of the detection bracket is fixedly connected with the outer side of the heating frame, and the infrared temperature sensor is fixedly connected with the inner side of the bottom of the detection bracket.
Preferably, as a bearing inner sleeve dismounting device, a sliding groove matched with the handle in size is further arranged in the heating frame.
As a preferable mode of the bearing inner sleeve dismounting device, a clamping groove matched with the outer bearing inner sleeve in size is further formed in the inner side of the chuck.
As the bearing inner sleeve dismounting device, preferably, the inner side of the top of the chuck is also provided with a thread groove matched with the thread surface of the limit bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the handle can be inserted from the inner side of the chute of the heating frame together with one group of chucks, then the bearing and the bearing inner sleeve are inserted into the inner side of the placing groove in the middle of the heating frame along the disc bracket, after that, a worker can hold the limit bolt by hand, the two groups of chucks are in threaded connection through the thread groove, and the limit bolt can adjust the size of the two groups of chucks after being connected so as to adapt to the bearing inner sleeve, so that the bearing inner sleeve at the inner side can be clamped and fixed under the clamping of the chucks, and further the subsequent heating and dismounting operation is facilitated.
2. According to the utility model, the internal heating ring can be electrically started through the external intelligent control box, the heating ring is attached to the surface of the chuck, so that the chuck and the bearing inner sleeve on the inner side are fully heated, the bearing inner sleeve is fully heated and expanded through interference fit between the bearing inner sleeve and the shaft, the bearing inner sleeve is fully embedded into the clamping groove of the chuck, after the set heating temperature is reached and the temperature is reduced, the limit bolt is disassembled, the outer pull handle pulls out the chuck, and the disassembling of the bearing Nie Tao can be completed, so that the operation is convenient, time and labor are saved, and the structure of the rotating shaft and the shaft sleeve is not damaged.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the back of the heating rack according to the present utility model;
FIG. 3 is an enlarged view showing the effect of the detecting rack according to the present utility model;
FIG. 4 is a diagram showing the effect of disassembly of the chuck joint according to the present utility model;
FIG. 5 is a cross-sectional view of the inside of the heating rack of the present utility model;
In the figure:
1. A heating disassembly mechanism; 11. a heating rack; 12. a disk carrier; 13. a chuck; 14. a handle; 15. a limit bolt; 2. a placement groove; 3. a heating ring; 4. detecting a bracket; 5. an infrared temperature measurement sensor; 6. a chute; 7. a clamping groove; 8. a thread groove.
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:
The bearing inner sleeve is difficult to disassemble by using a conventional disassembling tool, and is often cut by using equipment such as an angle grinder, gas cutting and the like. The disassembly is time-consuming and labor-consuming, and simultaneously the motor rotating shaft is damaged due to the fact that the equipment such as an angle grinder, a gas cutting and the like is used with great potential safety hazards and careless, and the heating disassembly mechanism 1 is added on the basis.
As shown in fig. 1, 4 and 5:
In an alternative embodiment: the heating disassembly body 1 comprises a heating frame 11, a disc bracket 12, a chuck 13, a handle 14 and a limit bolt 15, wherein the middle part of the heating frame 11 is fixedly connected with the surface of the disc bracket 12, the handle 14 penetrates through the inner wall of the disc bracket 12 and is fixedly connected with the surface of the chuck 13, the limit bolt 15 is in threaded connection with two sides of the chuck 13, a placing groove 2 with the caliber slightly larger than the size of the chuck 13 is further arranged in the heating frame 11, and the surface of the placing groove 2 is electrically connected with a heating ring 3.
In this embodiment: the handle 14 can be inserted from the inner side of the chute 6 of the heating frame 11 with one group of chucks 13, then the bearing and the bearing inner sleeve are inserted into the inner side of the placing groove 2 in the middle of the heating frame 11 along the disc bracket 12, after that, a worker can hold the limit bolts 15 by hand, the two groups of chucks 13 are screwed through the thread grooves 8, and the limit bolts 15 can adjust the size of the two groups of chucks 13 after being combined so as to adapt to the bearing inner sleeve, so that the inner bearing inner sleeve can be clamped and fixed under the clamping of the chucks 13, and further the subsequent heating and disassembling operation is facilitated.
Further, the method comprises the following steps:
as shown in fig. 2,3 and 4:
In an alternative embodiment: the heating frame 11 is still provided with detection support 4 and infrared temperature sensor 5 far away from one side of disk carrier 12, and detection support 4's top and the outside fixed connection of heating frame 11, infrared temperature sensor 5 fixed connection is in detection support 4's bottom inboard, and heating frame 11's inside still is provided with handle 14 size assorted spout 6, and chuck 13's inboard still has offered with outside bearing endotheca size assorted draw-in groove 7.
In this embodiment: the heating ring 3 in the inner part is electrically started by the external intelligent control box, the heating ring 3 is attached to the surface of the chuck 13, so that the chuck 13 and the bearing inner sleeve on the inner side are fully heated, the bearing inner sleeve is fully heated and expanded through interference fit between the bearing inner sleeve and the shaft, the bearing inner sleeve is fully embedded in the clamping groove 7 of the chuck 13, after the set heating temperature is reached and the temperature is reduced, the limit bolt 15 is disassembled, the outer pull handle 14 pulls out the chuck 13, so that the disassembling of the bearing Nie Tao can be completed, the operation is convenient, time and labor are saved, and the structure of the rotating shaft and the shaft sleeve is not damaged; on the other hand, the inner side of the detection support 4 points to the inner side of the bearing inner sleeve, the infrared temperature sensor 5 on the surface of the detection support is in a non-contact mode, and the probe end of the detection support is aligned to the outer side of the bearing inner sleeve to be heated, so that the measurement accuracy is ensured.
It should be noted that: the intelligent energy control box that the outside is connected installs time controller, and temperature controller, and when starting the heater, time controller set for heating time and temperature controller set for heating temperature participate in heating control jointly, and it is with suggestion and automatic cutout power when the heater accomplishes the heating, and this device is prior art, and this device is not too much in detail here.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a bearing inner race dismounting device, includes heating detaching mechanism (1) and standing groove (2), its characterized in that: the heating disassembly body (1) comprises a heating frame (11), a disc bracket (12), a chuck (13), a handle (14) and limit bolts (15), wherein the middle part of the heating frame (11) is fixedly connected with the surface of the disc bracket (12), the handle (14) penetrates through the inner wall of the disc bracket (12) and the surface of the chuck (13) to be fixedly connected, and the limit bolts (15) are in threaded connection with the two sides of the chuck (13).
2. The bearing inner race removal device of claim 1, wherein: the surface of the placing groove (2) is also electrically connected with a heating ring (3).
3. The bearing inner race removal device of claim 1, wherein: one side of the heating frame (11) far away from the disc bracket (12) is also provided with a detection bracket (4) and an infrared temperature sensor (5), the top of the detection bracket (4) is fixedly connected with the outer side of the heating frame (11), and the infrared temperature sensor (5) is fixedly connected with the inner side of the bottom of the detection bracket (4).
4. The bearing inner race removal device of claim 1, wherein: the inside of the heating frame (11) is also provided with a chute (6) which is matched with the handle (14) in size.
5. The bearing inner race removal device of claim 1, wherein: the inner side of the chuck (13) is also provided with a clamping groove (7) which is matched with the size of the outer bearing inner sleeve.
6. The bearing inner race removal device of claim 1, wherein: the inner side of the top of the chuck (13) is also provided with a thread groove (8) which is matched with the thread surface of the limit bolt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164684.6U CN220922272U (en) | 2023-08-12 | 2023-08-12 | Bearing inner sleeve dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164684.6U CN220922272U (en) | 2023-08-12 | 2023-08-12 | Bearing inner sleeve dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220922272U true CN220922272U (en) | 2024-05-10 |
Family
ID=90932813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322164684.6U Active CN220922272U (en) | 2023-08-12 | 2023-08-12 | Bearing inner sleeve dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220922272U (en) |
-
2023
- 2023-08-12 CN CN202322164684.6U patent/CN220922272U/en active Active
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