CN215487254U - Generator rotor bearing protection architecture - Google Patents
Generator rotor bearing protection architecture Download PDFInfo
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- CN215487254U CN215487254U CN202121254453.9U CN202121254453U CN215487254U CN 215487254 U CN215487254 U CN 215487254U CN 202121254453 U CN202121254453 U CN 202121254453U CN 215487254 U CN215487254 U CN 215487254U
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- bearing
- rear end
- end bearing
- edge part
- cover
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Abstract
The utility model relates to a generator rotor bearing protection structure which is arranged on a rear end bearing for supporting a generator rotor shaft, wherein a carbon brush is arranged at the rear side of the rear end bearing, a bearing cover is arranged at the outer side of the rear end bearing, an inner ring of the bearing cover is in interference fit with the rotor shaft, the side surface of the bearing cover is pressed on an inner ring retainer of the rear end bearing, and the upper end part of the side surface of the bearing cover is in clearance fit with the side surface of an outer ring of the rear end bearing. According to the utility model, the V-shaped bearing cover is pressed at the end part of the rear end bearing, so that carbon powder generated after the carbon brush is abraded can be effectively blocked at the outer side of the bearing cover by virtue of the action of the inclined edge part of the bearing cover inclined to one side of the carbon brush on the premise of not influencing the normal work of the rear end bearing, and the generator fault caused by the damage of the rear end bearing due to the fact that the carbon powder enters the inner part of the rear end bearing is prevented.
Description
Technical Field
The utility model relates to the technical field of generators, in particular to a generator rotor bearing protection structure.
Background
The generator runs at high temperature and high speed for a long time, and the performance requirement on the rotor bearing is high. In order to ensure long-time stable operation, the bearing structure is required to prevent the carbon brush beside the rotor bearing from being abraded in the operation process of the generator, the generated carbon powder cannot enter the bearing to cause bearing damage, the operation environment of the bearing is not interfered, and the good operation performance of the rotor bearing is ensured.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides a generator rotor bearing protection structure.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a generator rotor bearing protection structure is installed on a rear end bearing supporting a generator rotor shaft, a carbon brush is arranged on the rear side of the rear end bearing, a bearing cover is arranged on the outer side of the rear end bearing, an inner ring of the bearing cover is in interference fit with the rotor shaft, the side face of the inner ring of the bearing cover is pressed on an inner ring retainer of the rear end bearing, and the upper end portion of the side face of the bearing cover is in clearance fit with the side face of an outer ring of the rear end bearing.
Specifically, the bearing cover is provided with a ring sleeve, a straight edge part and an oblique edge part, the straight edge part is located on one side of the ring sleeve, the oblique edge part is connected to the upper end of the straight edge part, an inner hole of the ring sleeve is in interference fit with the rotor shaft, the straight edge part is pressed on an inner ring retainer of the rear end bearing, and the oblique edge part inclines to one side of the carbon brush and is away from an outer ring of the rear end bearing.
Preferably, the inclined angle of the inclined edge part is 16 degrees.
The utility model has the beneficial effects that: according to the utility model, the V-shaped bearing cover is pressed at the end part of the rear end bearing, so that carbon powder generated after the carbon brush is abraded can be effectively blocked at the outer side of the bearing cover by virtue of the action of the inclined edge part of the bearing cover inclined to one side of the carbon brush on the premise of not influencing the normal work of the rear end bearing, and the generator fault caused by the damage of the rear end bearing due to the fact that the carbon powder enters the inner part of the rear end bearing is prevented.
Drawings
The utility model is further described with reference to the following figures and embodiments.
Fig. 1 is a schematic view of the mounting structure of the present invention.
Fig. 2 is a schematic structural view of the bearing cap according to the present invention.
In the figure: 1. the rotor comprises a rotor shaft, 2 parts of a rear end bearing, 3 parts of a carbon brush, 4 parts of a bearing cover, 4-1 parts of a ring sleeve, 4-2 parts of a straight edge part and 4-3 parts of a bevel edge part.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 and 2, the generator rotor bearing protection structure is installed on a rear end bearing 2 supporting a generator rotor shaft 1, a carbon brush 3 is arranged on the rear side of the rear end bearing 2, a bearing cap 4 is arranged on the outer side of the rear end bearing 2, an inner ring of the bearing cap 4 is in interference fit with the rotor shaft 1, the side surface of the inner ring is press-fitted on an inner ring retainer of the rear end bearing 2, and the upper end portion of the side surface of the bearing cap 4 is in clearance fit with the outer ring side surface of the rear end bearing 2.
Specifically, the bearing cover 4 is provided with a ring sleeve 4-1, a straight edge part 4-2 positioned on one side of the ring sleeve 4-1 and a bevel edge part 4-3 connected to the upper end of the straight edge part 4-2, an inner hole of the ring sleeve 4-1 is in interference fit with the rotor shaft 1, the straight edge part 4-2 is pressed on an inner ring retainer of the rear end bearing 2, and the bevel edge part 4-3 inclines towards one side of the carbon brush 3 for 16 degrees and is in a V shape, so that the bearing cover can be separated from an outer ring of the rear end bearing 2 after installation and does not influence the rotation of the rear end bearing 2.
According to the utility model, the V-shaped bearing cover 4 is pressed at the end part of the rear end bearing 2, so that carbon powder generated after the carbon brush 3 is abraded can be effectively blocked at the outer side of the bearing cover under the action of the bevel edge part 4-3 of the bearing cover 4 inclined to one side of the carbon brush 3 on the premise of not influencing the normal work of the rear end bearing 2, and the generator fault caused by the damage of the rear end bearing 2 due to the fact that the carbon powder enters the rear end bearing 2 is prevented.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a generator rotor bearing protection architecture installs on rear end bearing (2) of supporting generator rotor shaft (1), and rear end bearing (2) rear side is equipped with carbon brush (3), characterized by: the outer side of the rear end bearing (2) is provided with a bearing cover (4), the inner ring of the bearing cover (4) is in interference fit with the rotor shaft (1), the side face of the bearing cover is pressed on an inner ring retainer of the rear end bearing (2), and the upper end part of the side face of the bearing cover (4) is in clearance fit with the side face of the outer ring of the rear end bearing (2).
2. The generator rotor bearing protection architecture of claim 1, wherein: the bearing cover (4) is provided with a ring sleeve (4-1), a straight edge part (4-2) positioned on one side of the ring sleeve (4-1) and a bevel edge part (4-3) connected to the upper end of the straight edge part (4-2), an inner hole of the ring sleeve (4-1) is in interference fit with the rotor shaft (1), the straight edge part (4-2) is pressed on an inner ring retainer of the rear end bearing (2), and the bevel edge part (4-3) inclines towards one side of the carbon brush (3) and is away from an outer ring of the rear end bearing (2).
3. The generator rotor bearing protection architecture of claim 2, wherein: the inclined angle of the inclined edge part (4-3) is 16 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254453.9U CN215487254U (en) | 2021-06-07 | 2021-06-07 | Generator rotor bearing protection architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254453.9U CN215487254U (en) | 2021-06-07 | 2021-06-07 | Generator rotor bearing protection architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487254U true CN215487254U (en) | 2022-01-11 |
Family
ID=79783202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121254453.9U Active CN215487254U (en) | 2021-06-07 | 2021-06-07 | Generator rotor bearing protection architecture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487254U (en) |
-
2021
- 2021-06-07 CN CN202121254453.9U patent/CN215487254U/en active Active
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