CN213970465U - Reciprocating type carbon brush grinding device - Google Patents
Reciprocating type carbon brush grinding device Download PDFInfo
- Publication number
- CN213970465U CN213970465U CN202022492392.1U CN202022492392U CN213970465U CN 213970465 U CN213970465 U CN 213970465U CN 202022492392 U CN202022492392 U CN 202022492392U CN 213970465 U CN213970465 U CN 213970465U
- Authority
- CN
- China
- Prior art keywords
- polishing
- box
- carbon brush
- brush
- cambered surface
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a reciprocating type carbon brush grinding device, including the box of polishing, be equipped with the brush box in the box of polishing, install the carbon brush in the brush box, the brush face of carbon brush contacts with cambered surface sanding block one side, and cambered surface sanding block opposite side is equipped with the spur rack, the spur rack meshes with the straight-teeth gear, and the straight-teeth gear is installed on servo motor's output shaft, and the box bottom discharge gate of polishing is connected with carbon dust recovery box; the cambered surface polishing block designed by the utility model adopts a mode of reciprocating polishing along the axial direction of the collecting ring, can simulate the geometric shape of the collecting ring, can improve the laminating degree of the carbon brush and the collecting ring, and can not damage the carbon brush; and replace artifical polishing by electronic polishing, improved efficiency and precision of polishing greatly.
Description
Technical Field
The utility model relates to a hydraulic generator carbon brush technical field specifically indicates a reciprocating type carbon brush grinding device.
Background
When the carbon brush of the slip ring device of the hydroelectric generating set is replaced, the contact part of the collecting ring and the brush surface of the carbon brush shows the line contact of the cambered surface and the plane, the actual current carrying area between the collecting ring and the carbon brush is reduced, the current density of the unit area is increased, the contact resistance is increased, the temperature of the carbon brush is overhigh in a short time, and the carbon brush can be damaged. Therefore, when the carbon brush is replaced, the brush surface of the carbon brush needs to be polished. The existing carbon brush polishing method comprises the following steps: and (4) polishing the brush surface of the carbon brush by using sand paper or abrasive cloth. The disadvantages of such a treatment are the following: 1. the efficiency is low, the polishing process is troublesome, repeated debugging and polishing are needed, and the time consumption is long; 2. the manual polishing has the characteristics of large error and low accuracy, and the phenomenon that the contact between the brush surface of the carbon brush and the collecting ring is not compact still often exists after polishing and replacement; 3. the phenomenon of damaging the carbon brush can occur in the manual polishing process; 4. the grinding tool is not convenient to carry due to the fact that a large number of materials and tools are needed for grinding; 5. the carbon powder can not be effectively recycled, and the production field environment is influenced.
Disclosure of Invention
An object of the utility model is to overcome the aforesaid not enough, provide a reciprocating type carbon brush grinding device to solve the problem that proposes in the background art.
The utility model discloses a solve above-mentioned technical problem, the technical scheme who adopts is: the utility model provides a reciprocating type carbon brush grinding device, is including the box of polishing, be equipped with the brush box in the box of polishing, install the carbon brush in the brush box, the brush face and the contact of cambered surface polishing block one side of carbon brush, cambered surface polishing block opposite side are equipped with the spur rack, the spur rack meshes with the straight-teeth gear, and the straight-teeth gear is installed on servo motor's output shaft, and the box bottom discharge gate of polishing is retrieved with the carbon dust and is connected.
Preferably, a box cover is installed at the top of the grinding box body, the bottom of the box cover is fixedly connected with the brush box, and a handle is arranged at the top of the box cover.
Preferably, a compression spring is installed in the brush box, the compression spring is fixedly connected with the connecting block through a pressing plate, and the connecting block is detachably connected with the carbon brush.
Preferably, the cambered surface polishing block is internally provided with a limiting hole for penetrating a limiting rod, and two ends of the limiting rod are fixed on the side wall of the polishing box body.
Preferably, the number of the limiting rods is two, the top surface of the cambered surface polishing block is of a cambered surface structure, and the bottom of the cambered surface polishing block is provided with a spur rack.
Preferably, the cambered surface sanding block is provided with sandpaper on the top surface.
Preferably, the side part of the grinding box body is also provided with a support frame.
The utility model has the advantages that:
1. the cambered surface polishing block designed by the patent adopts a mode of polishing along the axial direction of the collecting ring in a reciprocating mode, can simulate the geometric shape of the collecting ring, can improve the fitting degree of the carbon brush and the collecting ring, and cannot damage the carbon brush;
2. manual polishing is replaced by electric polishing, so that polishing efficiency and precision are improved;
3. the arc surface polishing device adopts a reciprocating motion polishing mode of the arc surface polishing block, effectively reduces the volume of the polishing device and is convenient to carry;
4. the carbon powder recovery box designed by the patent can effectively recover the carbon powder and realize zero leakage.
Drawings
Fig. 1 is a schematic front view of a reciprocating carbon brush polishing apparatus;
FIG. 2 is a schematic view of the structure of FIG. 1 in which the cambered surface sanding block is engaged with the limiting rod;
FIG. 3 is an enlarged schematic view of the carbon brush of FIG. 1 mounted in a brush box;
in the figure, a grinding box body 1, a box cover 1.1, a handle 1.2, a brush box 2, a compression spring 2.1, a pressing plate 2.2, a connecting block 2.3, a carbon brush 3, an arc surface grinding block 4, a spur rack 5, a spur gear 6, a servo motor 7, a carbon powder recovery box 8, a limiting rod 9, abrasive paper 10 and a supporting frame 11.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1 to 3, a reciprocating type carbon brush polishing device comprises a polishing box body 1, a brush box 2 is arranged in the polishing box body 1, a carbon brush 3 is installed in the brush box 2, the brush surface of the carbon brush 3 is in contact with one side of an arc surface polishing block 4, a straight rack 5 is arranged on the other side of the arc surface polishing block 4, the straight rack 5 is meshed with a straight gear 6, the straight gear 6 is installed on an output shaft of a servo motor 7, and a discharge port at the bottom of the polishing box body 1 is connected with a carbon powder recovery box 8.
Preferably, a box cover 1.1 is installed at the top of the grinding box body 1, the bottom of the box cover 1.1 is fixedly connected with the brush box 2, and a handle 1.2 is arranged at the top of the box cover 1.1. After designing like this, conveniently directly carry case lid 1.1 through handle 1.2 and draw out, case lid 1.1 can with polish 1 top detachably installations of box in this embodiment, for example through bolt or buckle connection, when carrying case lid 1.1 and drawing out, brush box 2 also takes out along with it, conveniently carries out the dismouting to carbon brush 3 in the brush box 2.
Preferably, a compression spring 2.1 is installed in the brush box 2, the compression spring 2.1 is fixedly connected with a connecting block 2.3 through a pressing plate 2.2, and the connecting block 2.3 is detachably connected with the carbon brush 3. The compression spring 2.1 can tightly press the carbon brush 3 on the top of the cambered surface polishing block 4 when the carbon brush 3 is contacted with the top of the cambered surface polishing block 4, so that the carbon brush 3 can be tightly attached to the cambered surface polishing block 4 during polishing, and the polishing effect is ensured; and carbon brush 3 is connected with connecting block 2.3 detachably, makes things convenient for to install and dismantle between carbon brush 3 and the brush box 2, and the mode of joint can be chooseed for use to detachably connected's mode in this embodiment.
Preferably, a limiting hole for penetrating a limiting rod 9 is further formed in the cambered surface polishing block 4, and two ends of the limiting rod 9 are fixed on the side wall of the polishing box body 1. The left and right transverse moving process of the cambered surface grinding block 4 can be ensured to be accurate and stable through the limiting rod 9, and the grinding accuracy is improved.
Preferably, the number of the limiting rods 9 is two, the top surface of the cambered surface polishing block 4 is of a cambered surface structure, and the bottom of the cambered surface polishing block is provided with the spur rack 5. In this embodiment, the arc structure of the arc polishing block 4 is a geometric shape simulating a collecting ring, and the abrasive paper 10 can be attached to the arc surface, so that the polishing radian of the carbon brush 3 can be accurately controlled, and the requirement of the contact surface area between the carbon brush 3 and the collecting ring is met.
Preferably, the cambered surface sanding block 4 is provided with sandpaper 10 on the top surface.
Preferably, the side of the grinding box body 1 is also provided with a support frame 11. The support frame 11 can ensure that the device cannot fall over due to vibration in the grinding process.
The working principle of the embodiment is as follows:
firstly, a carbon brush 3 to be polished is installed on a connecting block 2.3, then a box cover 1.1 is installed at the top of a polishing box body 1, the bottom of the box cover 1.1 is fixedly connected with a brush box 2, so the brush box 2 is limited in the polishing box body 1, then the box cover 1.1 is covered and tightly pressed, and at the moment, the carbon brush 3 is tightly pressed at the top of an arc surface polishing block 4 under the pressure action of a compression spring 2.1; the servo motor 7 is started, and is controlled to rotate forwards and reversely in a reciprocating manner, so that the straight gear 6 also rotates forwards and reversely in a reciprocating manner, the straight rack 5 moves leftwards and rightwards in a reciprocating manner, the cambered surface polishing block 4 moves leftwards and rightwards in a reciprocating manner, the brush surface of the carbon brush 3 is polished through the abrasive paper 10, and carbon powder generated in the polishing process falls down and enters the carbon powder recovery box 8 to be collected; after the polishing process is finished, the box cover 1.1 can be opened, the box cover 1.1, the brush box 2 and the carbon brush 3 are lifted out together, and then the carbon brush 3 is detached from the connecting block 2.3 of the brush box 2.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. The utility model provides a reciprocating type carbon brush grinding device, includes grinding box (1), its characterized in that: the polishing device is characterized in that a brush box (2) is arranged in the polishing box body (1), a carbon brush (3) is installed in the brush box (2), the brush surface of the carbon brush (3) is in contact with one side of the cambered surface polishing block (4), the other side of the cambered surface polishing block (4) is provided with a straight rack (5), the straight rack (5) is meshed with a straight gear (6), the straight gear (6) is installed on an output shaft of a servo motor (7), and a discharge port at the bottom of the polishing box body (1) is connected with a carbon powder recovery box (8).
2. The reciprocating type carbon brush grinding device according to claim 1, wherein: the polishing brush box is characterized in that a box cover (1.1) is arranged at the top of the polishing box body (1), the bottom of the box cover (1.1) is fixedly connected with the brush box (2), and a handle (1.2) is arranged at the top of the box cover (1.1).
3. A reciprocating type carbon brush grinding apparatus according to claim 1 or 2, wherein: install compression spring (2.1) in brush box (2), compression spring (2.1) are through clamp plate (2.2) and connecting block (2.3) fixed connection, and connecting block (2.3) are connected with carbon brush (3) detachably.
4. The reciprocating type carbon brush grinding device according to claim 1, wherein: a limiting hole used for penetrating a limiting rod (9) is further formed in the cambered surface grinding block (4), and two ends of the limiting rod (9) are fixed on the side wall of the grinding box body (1).
5. The reciprocating type carbon brush grinding device according to claim 4, wherein: the number of the limiting rods (9) is two, the top surface of the cambered surface polishing block (4) is of a cambered surface structure, and the bottom of the cambered surface polishing block is provided with a spur rack (5).
6. The reciprocating type carbon brush grinding device according to claim 1 or 5, wherein: and sand paper (10) is arranged on the top surface of the cambered surface sanding block (4).
7. The reciprocating type carbon brush grinding device according to claim 1, wherein: the lateral part of the grinding box body (1) is also provided with a support frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022492392.1U CN213970465U (en) | 2020-11-02 | 2020-11-02 | Reciprocating type carbon brush grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022492392.1U CN213970465U (en) | 2020-11-02 | 2020-11-02 | Reciprocating type carbon brush grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213970465U true CN213970465U (en) | 2021-08-17 |
Family
ID=77260049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022492392.1U Active CN213970465U (en) | 2020-11-02 | 2020-11-02 | Reciprocating type carbon brush grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213970465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284135A (en) * | 2022-06-20 | 2022-11-04 | 华能山东发电有限公司烟台发电厂 | Device for accurately polishing contact surface between carbon brush of generator and collecting ring |
| CN115365955A (en) * | 2022-08-08 | 2022-11-22 | 四川华能涪江水电有限责任公司 | Generator carbon brush grinder |
-
2020
- 2020-11-02 CN CN202022492392.1U patent/CN213970465U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284135A (en) * | 2022-06-20 | 2022-11-04 | 华能山东发电有限公司烟台发电厂 | Device for accurately polishing contact surface between carbon brush of generator and collecting ring |
| CN115365955A (en) * | 2022-08-08 | 2022-11-22 | 四川华能涪江水电有限责任公司 | Generator carbon brush grinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213970465U (en) | Reciprocating type carbon brush grinding device | |
| CN207915149U (en) | It is a kind of can multi-angle processing diesel engine forging flash grinding device | |
| CN112276692A (en) | Automatic grinding equipment for shaft part production | |
| CN207480361U (en) | A kind of engine cylinder of motorcycle grinding equipment | |
| CN210476420U (en) | High-precision double-side polishing equipment | |
| CN217252018U (en) | Punching device for removing punching burrs for machining automobile parts | |
| CN209239817U (en) | A kind of grinding machine with collection waste material function | |
| CN218284991U (en) | A environmental protection grinding device for non-standard automation equipment | |
| CN212762576U (en) | Grinding device is used in production of industrial vehicle pivot | |
| CN213106327U (en) | Plate surface finish grinding device for robot machining | |
| CN214135440U (en) | Ball table grinding device with function is collected to sweeps | |
| CN214351545U (en) | Full-automatic grinding device is used in hardware fitting processing | |
| CN212976474U (en) | High-efficient heat dissipation erects hole stamping die with dismantle function | |
| CN210938731U (en) | Machining grinder device | |
| CN208853881U (en) | The equipment of aerospace 3D printing part abnormity internal surface of hole skin processing | |
| CN210189294U (en) | Automobile punching part deckle edge cleaning device | |
| CN203125285U (en) | Polishing device | |
| CN206286657U (en) | A kind of double portable electric files for frustrating optical mode | |
| CN216371447U (en) | Metal product burr grinding device | |
| CN213731011U (en) | Scrap removing device for stainless steel processing production | |
| CN111308880A (en) | Dust cleaning device for quartz clock assembly | |
| CN214817160U (en) | Supplementary unloading mechanism of centerless grinder | |
| CN213945948U (en) | Mould processing grinding device | |
| CN215239909U (en) | Notebook shell burnishing device for anodic oxidation | |
| CN215940213U (en) | Asphalt mixing and grinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |