CN114029817B - Special tool for lapping slip ring carbon brush junction surface - Google Patents
Special tool for lapping slip ring carbon brush junction surface Download PDFInfo
- Publication number
- CN114029817B CN114029817B CN202111291379.2A CN202111291379A CN114029817B CN 114029817 B CN114029817 B CN 114029817B CN 202111291379 A CN202111291379 A CN 202111291379A CN 114029817 B CN114029817 B CN 114029817B
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- CN
- China
- Prior art keywords
- carbon brush
- slip ring
- grinding tool
- lapping
- tool
- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/10—Manufacture of slip-rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/12—Manufacture of brushes
Abstract
The invention provides a special tool for lapping a slip ring carbon brush junction surface, which comprises a steel base and a driving motor, wherein a steel structure frame is arranged on the steel base, the interior of the steel structure frame is divided into two layers by a supporting plate, a motor speed regulator is arranged on the bottom layer of the steel structure frame, the driving motor is fixed on the supporting plate through a fixing bolt, a tool box is arranged on the upper side of the supporting plate, the driving motor is arranged on the lower side of the supporting plate, a grinding tool spindle penetrates through the upper side of the supporting plate, and a slip ring grinding tool is arranged on the upper side of the grinding tool spindle. By improving the grinding process of the combined surface when the carbon brush is replaced, the combination rate of the carbon brush and the slip ring grinding tool is improved, the combined surface of the carbon brush of the generator and the slip ring grinding tool reaches more than 95%, and the problem that poor contact is easy to cause fire because the contact surface is not in line with the process requirement during replacement of the carbon brush is solved.
Description
Technical Field
The invention relates to the field of processing equipment, in particular to a special tool for lapping a slip ring carbon brush junction surface.
Background
The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The generator has many forms, but the working principle is based on the law of electromagnetic induction and the law of electromagnetic force. The general principle of its construction is therefore: appropriate magnetic conductive and electric conductive materials are used to form a magnetic circuit and a circuit which mutually perform electromagnetic induction so as to generate electromagnetic power and achieve the purpose of energy conversion.
The generator is used as a device for long-term continuous operation, wherein the following components: the replacement of the carbon brush of the rotor slip ring is frequent, the requirement that the carbon brush combination surface reaches more than 70% is very difficult during the replacement, the combination surface is not well treated after the replacement, the carbon brush is easy to cause fire, and the safe and reliable operation of the generator is influenced.
Therefore, aiming at the current situation existing in the prior art, the research and development of a special tool for the lapping of the junction surface of the slip ring and the carbon brush is an urgent problem to be solved.
Disclosure of Invention
In order to overcome the defects that the generator in the prior art is used as equipment for long-term continuous operation, the replacement of a rotor slip ring carbon brush is frequent, the requirement that the carbon brush combination surface reaches more than 70% is very difficult during replacement, and the treatment of the combination surface is not good after replacement, the invention provides a special tool for finely grinding the combination surface of a slip ring carbon brush, which is used for improving the grinding process of the combination surface during replacement of the carbon brush, improving the combination rate of the carbon brush and the slip ring, enabling the combination surface of the generator carbon brush and the slip ring to reach more than 95%, and solving the problem that the carbon brush is easy to fire due to poor contact because the contact surface does not meet the process requirement during replacement.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a sliding ring carbon brush faying face lapping specialized tool, includes steel base, driving motor, be equipped with steel structure frame on the steel base, steel structure frame is inside to be divided into two-layerly by the backup pad, steel structure frame bottom is equipped with the motor speed regulator, driving motor passes through fixing bolt to be fixed in the backup pad, the backup pad upside is equipped with the multiplexer utensil case, the backup pad downside is equipped with driving motor, driving motor passes the backup pad upside and is equipped with the grinding apparatus main shaft, grinding apparatus main shaft upside is equipped with the sliding ring grinding apparatus, and integrative structure settings such as above-mentioned steel base, driving motor, steel structure frame conveniently carry.
The surface of the motor speed regulator is provided with an operating state indicator, so that the operating state of the equipment can be observed at any time.
Further, the slip ring grinder is fixed on the grinder spindle through a grinder nut, wherein the slip ring grinder is far away from the driving motor, and the thickness of the slip ring grinder is larger than the diameter of the grinder spindle, so that a larger grinding area is provided.
Further, a main shaft bearing is arranged at a position, close to the supporting plate, of the main shaft of the grinding tool, and the main shaft bearing is used for improving the stability of the main shaft of the supporting grinding tool.
Further, the upper side of the steel structure frame is provided with a connecting shaft, the connecting shaft is provided with a first combined brush frame and a second combined brush frame, the first combined brush frame and the second combined brush frame are provided with carbon brush pits at positions close to the sliding ring grinding tool, and the relative positions of the first combined brush frame and the second combined brush frame can be conveniently adjusted.
Furthermore, a key groove is formed in the grinding tool lock nut, and the key cap is used for limiting the slip ring grinding tool to deviate.
Furthermore, the first combined brush holder comprises an upper fixing frame and a lower fixing frame, the upper fixing frame and the lower fixing frame are fixed through bolts, one side of the upper fixing frame is connected with a connecting plate through bolts, the connecting plate is connected with a carbon brush socket through bolts, the precision of the first combined brush holder and the second combined brush holder can be improved through the structure, the quality of processing faults of poor contact of the slip ring and the carbon brush in operation or grinding treatment of a joint surface which is replaced due is obviously improved, the fault rate is greatly reduced, and the safety and economic benefits are obvious.
Furthermore, 120-mesh sand paper is arranged on the outer circle grinding surface of the slip ring grinding tool, so that the grinding precision is improved.
The use method of the special tool for lapping the slip ring carbon brush junction surface comprises the following steps:
step S1: firstly, correspondingly replacing a slip ring grinding tool according to different diameters of rotor slip rings, and further being suitable for grinding the slip ring carbon brush junction surfaces of the rotors of the generators in various models, wherein the slip ring carbon brushes comprise rotor slip rings and carbon brushes;
step S2: clamping the carbon brush in the carbon brush nest again;
and step S3: then placing the disassembled old carbon brush on the first combined brush holder, and placing a new carbon brush on the second combined brush holder;
and step S4: and taking the radian of the junction surface of the old carbon brush on the first combined brush holder as a scale, wherein the radian of the new carbon brush in the second combined brush holder is consistent with that of the old carbon brush.
According to the technical scheme, the invention has the following advantages:
this scheme provides a sliding ring carbon brush faying face lapping specialized tool, through being equipped with the motor speed regulator at steel structure frame bottom, driving motor passes through fixing bolt to be fixed in the backup pad, and the backup pad upside is equipped with the multiplexer utensil case, and the backup pad downside is equipped with driving motor, and driving motor passes the backup pad upside and is equipped with the grinding apparatus main shaft, grinding apparatus main shaft upside is equipped with the sliding ring grinding apparatus, and integrative structure settings such as above-mentioned steel base, driving motor, steel structure frame are conveniently carried to faying face grinding technology when changing through improving the carbon brush improves the binding rate of carbon brush and sliding ring grinding apparatus, makes the faying face of generator carbon brush and sliding ring grinding apparatus reach more than 95%, solves the carbon brush and changes the problem that easily emits fire because of the contact surface is not conform to the process requirements contact failure.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a schematic view of a processing section in an embodiment of the present invention.
FIG. 3 is a schematic view of a combined brush holder according to an embodiment of the present invention.
In the figure, 1-steel base; 2-running status indication; 3-motor speed controller; 4-driving the motor; 5-fixing the bolt; 6-a main shaft bearing; 7-a combined brush holder II; 8-a combined brush frame I; 9-a steel structure frame; 10-slip ring grinding tool; 11-locking nut of the grinding tool; 12-a grinding tool spindle; 13-a keyway; 14-tool box; 15-carbon brush nest; 16-a support plate; 17-a connecting shaft; 18-upper fixing frame; 19-lower fixing frame; 20-a connecting plate; 21-bolt.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
As shown in fig. 1 and 2, the invention provides a special tool for lapping a slip ring carbon brush junction surface, which comprises a steel base 1, a driving motor 4 and a steel structure frame 9 arranged on the steel base 1, wherein the inside of the steel structure frame 9 is divided into two layers by a supporting plate 16, a motor speed regulator 3 is arranged at the bottom layer of the steel structure frame 9, an operation state indicator 2 is arranged on the surface of the motor speed regulator 3, the driving motor 4 is fixed on the supporting plate 16 through a fixing bolt 5, a tool box 14 is arranged on the upper side of the supporting plate 16, the driving motor 4 is arranged on the lower side of the supporting plate 16, a grinding tool spindle 12 is arranged on the driving motor 4 through the upper side of the supporting plate 16, a slip ring grinding tool 10 is arranged on the upper side of the grinding tool spindle 12, the grinding tool slip ring 10 is fixed on the grinding tool spindle 12 through a grinding tool locknut 11, a key groove 13 is arranged on the grinding tool locknut 11, and a spindle bearing 6 is arranged at a position, which is close to the supporting plate 16, of the grinding tool spindle 12; a grinding electric power driving system is formed by the motor speed regulator 3, the driving motor 4 and the state indicator 2 to automatically adjust the grinding speed, so that the requirement of grinding precision and rotating speed change is met, and the joint surface of the carbon brush and the slip ring is ensured to be more than 95%.
The upper side of the steel structure frame 9 is provided with a connecting shaft 17, the connecting shaft 17 is provided with a first combined brush holder 8 and a second combined brush holder 7, and the first combined brush holder 8 and the second combined brush holder 7 are provided with carbon brush pits at positions close to the slip ring grinding tool 10.
The first combined brush holder 8 comprises an upper fixing frame 18 and a lower fixing frame 19, the upper fixing frame 18 and the lower fixing frame 19 are fixed through bolts 21, one side of the upper fixing frame 18 is connected with a connecting plate 20 through the bolts 21, and the connecting plate 20 is connected with a carbon brush socket 15 through the bolts 21, so that the combination rate of a carbon brush and a slip ring is improved by improving the grinding process of the combination surface when the carbon brush is replaced, the combination surface of the carbon brush of the generator and the slip ring reaches more than 95%, and the problem that the carbon brush is replaced due to the fact that the contact surface is not in accordance with the process requirement, poor contact and easy ignition is solved.
The working process of the special tool for lapping the junction surface of the slip ring and the carbon brush comprises the following steps:
step S1: firstly, correspondingly replacing a slip ring grinding tool 10 according to different diameters of rotor slip rings, and further being suitable for grinding the carbon brush junction surfaces of the slip rings of the rotors of the generators in various models, wherein the carbon brushes of the slip rings comprise rotor slip rings and carbon brushes;
step S2: the carbon brush is clamped in the carbon brush nest 15 again;
and step S3: then placing the detached old carbon brush on the first combined brush holder 8, and placing a new carbon brush on the second combined brush holder 7;
and step S4: taking the radian of the old carbon brush combination surface on the first combined brush holder 8 as a scale, and enabling the radian of the new carbon brush in the second combined brush holder 7 to be consistent with the radian of the old carbon brush; wherein, 120-mesh sand paper is stuck on the outer circle of the slip ring grinding tool 10 to be used as a grinding surface, thereby improving the grinding precision.
The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The special tool for lapping the slip ring carbon brush junction surface is characterized by comprising a steel base (1) and a driving motor (4), wherein a steel structure frame (9) is arranged on the steel base (1), the inside of the steel structure frame (9) is divided into two layers by a support plate (16), a motor speed regulator (3) is arranged at the bottom layer of the steel structure frame (9), the driving motor (4) is fixed on the support plate (16) through a fixing bolt (5), a tool box (14) is arranged on the upper side of the support plate (16), the driving motor (4) is arranged on the lower side of the support plate (16), a grinding tool spindle (12) is arranged on the driving motor (4) through the upper side of the support plate (16), and a slip ring grinding tool (10) is arranged on the upper side of the grinding tool spindle (12); a connecting shaft (17) is arranged on the upper side of the steel structure frame (9), a first combined brush holder (8) and a second combined brush holder (7) are arranged on the connecting shaft (17), and carbon brush pits are arranged at positions, close to the slip ring grinding tool (10), of the first combined brush holder (8) and the second combined brush holder (7);
the use method of the special tool for lapping the junction surface of the slip ring and the carbon brush comprises the following steps:
step S1: firstly, correspondingly replacing a slip ring grinding tool (10) according to different diameters of a rotor slip ring, and further being suitable for grinding the slip ring carbon brush junction surfaces of the rotors of the generators in various models, wherein the slip ring carbon brushes comprise the rotor slip ring and the carbon brushes;
step S2: the carbon brush is clamped in the carbon brush nest (15) again;
and step S3: then placing the detached old carbon brush on the first combined brush holder (8), and placing a new carbon brush on the second combined brush holder (7);
and step S4: and the radian of the joint surface of the old carbon brush on the first combined brush holder (8) is taken as a scale, and the radian of the new carbon brush in the second combined brush holder (7) is consistent with that of the old carbon brush.
2. The special tool for lapping the bonding surface of the slip ring and the carbon brush as claimed in claim 1, wherein the surface of the motor speed regulator (3) is provided with an operation state indicator (2).
3. The special tool for lapping the junction surface of the slip ring and the carbon brush according to claim 1, wherein the slip ring grinding tool (10) is fixed on a grinding tool spindle (12) through a grinding tool nut (11).
4. The special tool for lapping the junction surface of the slip ring and the carbon brush as claimed in claim 1, wherein the grinding tool spindle (12) is provided with a spindle bearing (6) at a position close to the support plate (16).
5. The special tool for lapping the junction surface of the slip ring and the carbon brush as claimed in claim 3, wherein the key groove (13) is formed on the grinding tool lock nut (11).
6. The special tool for lapping the joint surface of the slip ring and the carbon brush according to claim 1, wherein the first combined brush holder (8) comprises an upper fixing frame (18) and a lower fixing frame (19), the upper fixing frame (18) and the lower fixing frame (19) are fixed through bolts (21), one side of the upper fixing frame (18) is connected with a connecting plate (20) through the bolts (21), and the connecting plate (20) is connected with the carbon brush socket (15) through the bolts (21).
7. The special tool for lapping the bonding surface of the slip ring and the carbon brush according to claim 1, wherein the outer grinding surface of the slip ring grinding tool (10) is provided with 120-mesh sand paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111291379.2A CN114029817B (en) | 2021-11-01 | 2021-11-01 | Special tool for lapping slip ring carbon brush junction surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111291379.2A CN114029817B (en) | 2021-11-01 | 2021-11-01 | Special tool for lapping slip ring carbon brush junction surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114029817A CN114029817A (en) | 2022-02-11 |
| CN114029817B true CN114029817B (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111291379.2A Active CN114029817B (en) | 2021-11-01 | 2021-11-01 | Special tool for lapping slip ring carbon brush junction surface |
Country Status (1)
| Country | Link |
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| CN (1) | CN114029817B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202334172U (en) * | 2011-10-27 | 2012-07-11 | 秦政伟 | Tool special for replacing generator rotor slip ring carbon brush |
| JP2013052472A (en) * | 2011-09-02 | 2013-03-21 | Towa Corp | Spindle-locking device in air spindle unit |
| CN103207125A (en) * | 2013-03-07 | 2013-07-17 | 大连理工大学 | Electro-contact abrasion test bench for cylindrical conductive slip ring |
| CN205661389U (en) * | 2016-05-16 | 2016-10-26 | 贵州电网有限责任公司输电运行检修分公司 | Emergency repair car packing box |
| CN109590860A (en) * | 2018-06-08 | 2019-04-09 | 中核检修有限公司 | Carbon brush for electric machine milling tools |
| CN210476528U (en) * | 2019-07-22 | 2020-05-08 | 山东金岭矿业股份有限公司 | High-voltage motor carbon brush grinder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011053979B4 (en) * | 2011-09-27 | 2017-12-28 | Walter Maschinenbau Gmbh | Sliding contact device of an erosion device of a combined grinding and eroding machine and method for producing a sliding contact device |
| CN205342729U (en) * | 2016-02-14 | 2016-06-29 | 徐星 | Special sliding ring advanced study and training instrument of turbo generator |
-
2021
- 2021-11-01 CN CN202111291379.2A patent/CN114029817B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013052472A (en) * | 2011-09-02 | 2013-03-21 | Towa Corp | Spindle-locking device in air spindle unit |
| CN202334172U (en) * | 2011-10-27 | 2012-07-11 | 秦政伟 | Tool special for replacing generator rotor slip ring carbon brush |
| CN103207125A (en) * | 2013-03-07 | 2013-07-17 | 大连理工大学 | Electro-contact abrasion test bench for cylindrical conductive slip ring |
| CN205661389U (en) * | 2016-05-16 | 2016-10-26 | 贵州电网有限责任公司输电运行检修分公司 | Emergency repair car packing box |
| CN109590860A (en) * | 2018-06-08 | 2019-04-09 | 中核检修有限公司 | Carbon brush for electric machine milling tools |
| CN210476528U (en) * | 2019-07-22 | 2020-05-08 | 山东金岭矿业股份有限公司 | High-voltage motor carbon brush grinder |
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| Publication number | Publication date |
|---|---|
| CN114029817A (en) | 2022-02-11 |
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