CN219740093U - Explosion-proof motor bearing inner cover - Google Patents
Explosion-proof motor bearing inner cover Download PDFInfo
- Publication number
- CN219740093U CN219740093U CN202320903993.8U CN202320903993U CN219740093U CN 219740093 U CN219740093 U CN 219740093U CN 202320903993 U CN202320903993 U CN 202320903993U CN 219740093 U CN219740093 U CN 219740093U
- Authority
- CN
- China
- Prior art keywords
- inner cover
- copper
- copper sleeve
- explosion
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052802 copper Inorganic materials 0.000 claims abstract description 51
- 239000010949 copper Substances 0.000 claims abstract description 51
- 241000227287 Elliottia pyroliflora Species 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides an explosion-proof motor bearing inner cup, relates to motor maintenance technical field, including inner cup body, copper sheathing and copper sheathing clamping ring, the copper sheathing suit is in the inner cup body, sets up the ring channel on the copper sheathing, and copper sheathing clamping ring is joined in marriage and is adorned in the ring channel, and inner cup body, copper sheathing and copper sheathing clamping ring are joined in marriage with the motor shaft and are adorned, set up the screw on the inner cup body, adopt the screw to fix inner cup body and motor end cover. When the motor shaft rotates and rubs with the bearing inner cover, the copper sleeve well ensures that the motor shaft is not lost, and only the parts of the bearing inner cover need to be replaced. The bearing inner cover is designed into an inner cover body and copper sleeve combination, the copper sleeve is arranged on the inner cover body, the copper sleeve and the shaft form a matching surface, when the rotating shaft rubs with the inner cover, the shaft rubs with the copper sleeve actually, the copper material is softer, when the shaft rubs with the inner cover, the copper sleeve is damaged, and in the maintenance process, the copper sleeve is only needed to be replaced, so that the maintenance cost is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of explosion-proof motors, in particular to an inner cover of a bearing of an explosion-proof motor.
Background
According to the requirements of the explosion protection standard GB/T3836-2021, electrical equipment for coal mines requires an explosion-proof enclosure which is capable of withstanding internal explosions of an explosive mixture entering the interior of the enclosure through any interface or structural gap of the enclosure without damage and without causing ignition of an explosive gaseous environment formed externally by one or more gases or vapours. As can be seen, the explosion proof motor has high requirements for the interface or clearance fit. The explosion-proof motor bearing inner cup is the flameproof surface with the axle cooperation department, and maximum clearance size requirement is 0.8mm, and to large-scale motor, parts such as punching, cage strip are all installed on the rotor, and the rotor high-speed rotation, centrifugal force is great, causes the axle not at straightly, takes place to warp, and the inner cup takes place the contact with the axle easily this moment, causes the axle damage, is fatal injury to explosion-proof motor. The damaged motor needs to be maintained, the maintenance cost of the shaft is higher, and a novel bearing inner cover is necessary to be designed, so that the motor shaft is protected, and the maintenance cost is reduced.
Disclosure of Invention
In view of this, it is necessary to provide an inner cover for a bearing of an explosion-proof motor.
The utility model provides an explosion-proof motor bearing inner cup, includes inner cup body, copper sheathing and copper sheathing clamping ring, and the copper sheathing suit is in the inner cup body, sets up the ring channel on the copper sheathing, and the copper sheathing clamping ring is joined in marriage in the ring channel, and inner cup body, copper sheathing and copper sheathing clamping ring are joined in marriage with the motor shaft and are assembled, set up the screw on the inner cup body, adopt the screw to fix inner cup body and motor end cover.
Preferably, the inner cover body is internally provided with a clamping groove, the copper sleeve is provided with a clamping part, and the clamping part is assembled in the clamping groove.
Preferably, the clamping part of the copper sleeve is provided with a groove for clamping the sealing ring.
When the motor shaft rotates and rubs with the bearing inner cover, the copper sleeve well ensures that the motor shaft is not lost, and only the parts of the bearing inner cover need to be replaced. The bearing inner cover is designed into an inner cover body and copper sleeve combination, the copper sleeve is arranged on the inner cover body, the copper sleeve and the shaft form a matching surface, when the rotating shaft rubs with the inner cover, the shaft rubs with the copper sleeve actually, the copper material is softer, when the shaft rubs with the inner cover, the copper sleeve is damaged, and in the maintenance process, the copper sleeve is only needed to be replaced, so that the maintenance cost is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the inner cover structure of a bearing of an explosion-proof motor;
FIG. 2 is a schematic diagram of a partial assembly structure of an explosion-proof motor bearing inner cover assembled with a motor;
in the figure: the inner cover comprises an inner cover body 1, a copper sleeve 2, a copper sleeve compression ring 3, a motor shaft 4, a motor end cover 5, an annular groove a, a screw hole b, a screw c, a clamping groove d, a clamping part e and a groove f.
Detailed Description
In order to make the technical scheme of the utility model easier to understand, the technical scheme of the utility model is clearly and completely described by adopting a mode of a specific embodiment with reference to the accompanying drawings.
Referring to fig. 1 and 2, the inner cover of the bearing of the explosion-proof motor comprises an inner cover body 1, a copper sleeve 2 and a copper sleeve pressing ring 3, wherein the copper sleeve 2 is sleeved in the inner cover body 1, an annular groove a is formed in the copper sleeve 2, the copper sleeve pressing ring 3 is assembled in the annular groove a, the inner cover body 1, the copper sleeve 2 and the copper sleeve pressing ring 3 are assembled with a motor shaft 4, a screw hole b is formed in the inner cover body 1, and the inner cover body 1 and the motor end cover 5 are fixed by adopting a screw c.
The inner cover body 1 is internally provided with a clamping groove d, the copper bush is provided with a clamping part e, and the clamping part e is assembled in the clamping groove d. A groove f for clamping the sealing ring is arranged in the clamping part e of the copper sleeve 2.
When the utility model is assembled with the motor shaft 4, after the motor shaft 4 rotates and rubs with the bearing inner cover, the copper sleeve 2 well ensures that the motor shaft 4 is not lost, and only the components of the bearing inner cover need to be replaced. The bearing inner cover is designed to be an inner cover body 1 and copper sleeve 2 combined body, the copper sleeve 2 is arranged on the inner cover body 1, the copper sleeve 2 and the shaft form a matching surface, when the rotating shaft rubs with the inner cover, the motor shaft 4 rubs with the copper sleeve 2 actually, the copper material is softer, when the friction occurs, the copper sleeve 2 is damaged, in the maintenance process, the inner cover is not required to be completely replaced, and the maintenance cost is greatly reduced.
It should be noted that the embodiments described herein are only some embodiments of the present utility model, not all the implementation manners of the present utility model, and the embodiments are only exemplary, and are only used for providing a more visual and clear way of understanding the present disclosure, not limiting the technical solution described in the present utility model. All other embodiments, and other simple alternatives and variations of the inventive solution, which would occur to a person skilled in the art without departing from the inventive concept, are within the scope of the utility model.
Claims (3)
1. An explosion-proof motor bearing inner cup which characterized in that: the explosion-proof motor bearing inner cover comprises an inner cover body, a copper bush and a copper bush compression ring, wherein the copper bush is sleeved in the inner cover body, an annular groove is formed in the copper bush, the copper bush compression ring is assembled in the annular groove, the inner cover body, the copper bush and the copper bush compression ring are assembled with a motor shaft, screw holes are formed in the inner cover body, and the inner cover body is fixed with a motor end cover through screws.
2. The explosion proof motor bearing inner cover as set forth in claim 1, wherein: the inner cover body is internally provided with a clamping groove, the copper sleeve is provided with a clamping part, and the clamping part is assembled in the clamping groove.
3. The explosion-proof motor bearing inner cover as set forth in claim 2, wherein: the clamping part of the copper sleeve is provided with a groove for clamping the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903993.8U CN219740093U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof motor bearing inner cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903993.8U CN219740093U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof motor bearing inner cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219740093U true CN219740093U (en) | 2023-09-22 |
Family
ID=88062740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320903993.8U Active CN219740093U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof motor bearing inner cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219740093U (en) |
-
2023
- 2023-04-21 CN CN202320903993.8U patent/CN219740093U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |