CN220087094U - Shaft current leading-out structure for motor - Google Patents
Shaft current leading-out structure for motor Download PDFInfo
- Publication number
- CN220087094U CN220087094U CN202321483396.0U CN202321483396U CN220087094U CN 220087094 U CN220087094 U CN 220087094U CN 202321483396 U CN202321483396 U CN 202321483396U CN 220087094 U CN220087094 U CN 220087094U
- Authority
- CN
- China
- Prior art keywords
- motor
- shaft current
- end cover
- carbon fiber
- mounting groove
- 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
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 28
- 239000004917 carbon fiber Substances 0.000 claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a shaft current guiding structure for a motor, which comprises a motor end cover and a motor rotating shaft extending out of the motor end cover, wherein the shaft current guiding structure is arranged on the motor end cover and positioned at one radial side of the motor rotating shaft, the shaft current guiding structure comprises a bracket arranged on the motor end cover and a carbon fiber component arranged on the bracket, and the carbon fiber component is propped against the motor rotating shaft. The shaft current guiding structure for the motor has a simple structure and can prolong the service life of the motor.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a shaft current guiding structure for a motor.
Background
In the prior art, graphite is generally arranged on a motor end cover, the graphite is utilized to lead out the shaft current on the motor rotating shaft, but the graphite is easy to wear and needs to be replaced frequently, and if the replacement is not timely, the shaft current of the rotating shaft cannot be led out to corrode the bearing, so that the service life of the motor is influenced.
The present utility model has been made in order to solve the above-mentioned problems.
Disclosure of Invention
Based on the above problems, the present utility model aims to provide a shaft current guiding structure for a motor, which can guide out the shaft current of a motor rotating shaft and prolong the service life of the motor.
In order to solve the problems in the prior art, the technical scheme provided by the utility model is as follows:
the shaft current guiding structure comprises a bracket arranged on the motor end cover and a carbon fiber component arranged on the bracket, and the carbon fiber component is in butt joint with the motor rotating shaft.
Further, the support is provided with a mounting groove, the mounting groove faces the motor rotating shaft and is open at one side away from the motor end cover, and the carbon fiber component is pressed in the mounting groove through the pressing plate and protrudes to the radial outer side of the motor rotating shaft.
Further, the mounting groove is T-shaped, and the pressing plate is in interference fit with the mounting groove.
Further, the support and the pressing plate are aluminum alloy pieces or stainless steel pieces.
Further, the bracket is fixed on the motor end cover through a bolt component.
Further, the bolt assembly includes two bolts disposed at both sides of the mounting groove.
Further, the conductive area of the carbon fiber component is greater than 100 square millimeters.
Compared with the prior art, the utility model has the advantages that:
1. the good conductivity and high-strength wear resistance of the carbon fiber are utilized to guide away the shaft current in the motor rotating shaft, the service life of the carbon fiber component is long, and the running and maintenance cost can be reduced;
2. the shaft current guiding structure has the advantages of simple and compact structure, convenience in installation and low cost, and can guide out the current of the motor shaft through the carbon fiber component, the bracket and the motor end cover.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a shaft current lead-out structure for an electric machine according to the present utility model;
FIG. 2 is a schematic view of a mounting structure according to an embodiment of the present utility model;
wherein:
100. a motor end cap 200, a motor shaft;
1. a bracket; 1-1, a mounting groove;
2. a carbon fiber member;
3. a pressing plate;
4. and (5) a bolt.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
Referring to fig. 1 and 2, a shaft current guiding structure for a motor is provided according to an embodiment of the present utility model, wherein the motor includes a motor end cover 100 and a motor rotating shaft 200 extending out of the motor end cover 100, and the shaft current guiding structure is mounted on the motor end cover 100 and located at a radial side of the motor rotating shaft 200.
Specifically, the shaft current guiding structure comprises a bracket 1 arranged on the motor end cover 100 and a carbon fiber component 2 arranged on the bracket 1, wherein the carbon fiber component 2 is abutted against the motor rotating shaft 200, and the carbon fiber component 2 is a brush-shaped structure formed by millions of carbon fiber wires with diameters of several micrometers. The conductive area of the carbon fiber component 2 is greater than 100 square millimeters.
In order to facilitate the installation of the carbon fiber component 2, a mounting groove 1-1 is arranged on the bracket 1, the mounting groove 1-1 faces the motor rotating shaft 200, and one side of the mounting groove facing away from the motor end cover 100 is opened, the carbon fiber component 2 is pressed in the mounting groove 1-1 through a pressing plate 3 and protrudes to the radial outer side of the motor rotating shaft 200 to be abutted with the motor rotating shaft 200.
Wherein, the bracket 1 and the pressing plate 3 are aluminum alloy pieces or stainless steel pieces to ensure good conductivity, so as to be matched with the carbon fiber component 2 to lead out the shaft current on the motor rotating shaft 200 to the ground.
In this example, the installation groove 1-1 is T-shaped, i.e. includes a first groove portion and a second groove portion which are vertically communicated, wherein the width of the second groove portion is greater than that of the first groove portion, and the shape of the pressing plate 3 is matched with the installation groove 1-1 and is in interference fit with the installation groove 1-1 so as to compress the carbon fiber component 2 in the installation groove 1-1. During installation, the carbon fiber component 2 is placed in the installation groove 1-1 and is abutted against the bottom and the inner side of the installation groove 1-1, and the pressing plate 3 is placed in and abutted against the carbon fiber component 2 through the opening of the bracket 1, which is away from the motor end cover 200, so that the carbon fiber component 2 is pressed in the installation groove 1-1.
In this example, the bracket 1 is fixed on the motor end cover 100 through a bolt assembly, specifically, the bolt assembly comprises two bolts 4 arranged at two sides of the mounting groove 1-1, and the bracket 1 is fixed on the motor end cover 100 through the bolts 4, so that the installation and the disassembly are convenient.
The shaft current of the motor rotating shaft 200 is led out to the ground through the carbon fiber component 2, the bracket 1 and the motor end cover 100, so that the shaft current is prevented from corroding a bearing, the service life of the motor is prolonged, the carbon fiber component has high wear resistance and long service life, and the production and maintenance cost can be reduced.
The above examples are provided for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the contents of the present utility model and implement the same according to the contents, not to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A axle current derives structure for motor, the motor includes the motor end cover and extends to motor shaft outside the motor end cover, its characterized in that: the shaft current guiding structure is arranged on the motor end cover and is positioned on one radial side of the motor rotating shaft, the shaft current guiding structure comprises a support arranged on the motor end cover and a carbon fiber component arranged on the support, and the carbon fiber component is in butt joint with the motor rotating shaft.
2. The shaft current lead-out structure for a motor according to claim 1, wherein: the support is provided with a mounting groove, the mounting groove faces the motor rotating shaft and is away from an opening on one side of the motor end cover, and the carbon fiber component is pressed in the mounting groove through the pressing plate and protrudes to the radial outer side of the motor rotating shaft.
3. The shaft current lead-out structure for a motor according to claim 2, wherein: the mounting groove is T-shaped, and the pressing plate is in interference fit with the mounting groove.
4. The shaft current lead-out structure for a motor according to claim 2, wherein: the support and the pressing plate are aluminum alloy pieces or stainless steel pieces.
5. The shaft current lead-out structure for a motor according to claim 2, wherein: the bracket is fixed on the motor end cover through a bolt component.
6. The shaft current lead-out structure for a motor according to claim 5, wherein: the bolt assembly includes two bolts disposed on both sides of the mounting groove.
7. The shaft current lead-out structure for an electric motor according to any one of claims 1 to 6, wherein: the carbon fiber component has a conductive area greater than 100 square millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321483396.0U CN220087094U (en) | 2023-06-12 | 2023-06-12 | Shaft current leading-out structure for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321483396.0U CN220087094U (en) | 2023-06-12 | 2023-06-12 | Shaft current leading-out structure for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220087094U true CN220087094U (en) | 2023-11-24 |
Family
ID=88817737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321483396.0U Active CN220087094U (en) | 2023-06-12 | 2023-06-12 | Shaft current leading-out structure for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220087094U (en) |
-
2023
- 2023-06-12 CN CN202321483396.0U patent/CN220087094U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |