CN209868227U - Carbon brush radian grinding device - Google Patents
Carbon brush radian grinding device Download PDFInfo
- Publication number
- CN209868227U CN209868227U CN201920540447.6U CN201920540447U CN209868227U CN 209868227 U CN209868227 U CN 209868227U CN 201920540447 U CN201920540447 U CN 201920540447U CN 209868227 U CN209868227 U CN 209868227U
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- Prior art keywords
- carbon brush
- grinding
- assembly
- brush holder
- workbench
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 159
- 230000006978 adaptation Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides a carbon brush radian grinder, include: the carbon brush grinding device comprises a shell, a grinding assembly and a carbon brush fixing assembly, wherein the upper surface of the shell is a workbench; the grinding assembly comprises a first driving piece and a grinding cutter, the diameter of the grinding cutter is the same as that of a collector ring of the generator, the first driving piece is at least partially fixed in the shell, the grinding cutter is positioned on the workbench, and the grinding cutter is connected with the first driving piece so that the first driving piece drives the grinding cutter to rotate; the carbon brush fixing assembly comprises a carbon brush frame, the carbon brush is fixed on the carbon brush frame, and the carbon brush frame is movably arranged on the workbench. The technical scheme of the utility model the problem of the not adaptation of radian of new carbon brush among the prior art and generator collecting ring has been solved effectively.
Description
Technical Field
The utility model relates to a technical field of electric power industry particularly, relates to a carbon brush radian grinder.
Background
The alternating current generator generates electricity through an electromagnetic induction principle, and comprises a rotor, wherein the rotor is used for generating a rotating magnetic field, the rotor consists of claw poles, a magnet yoke, a magnetic field winding, collecting rings and a rotor shaft, the collecting rings consist of two copper rings which are insulated from each other, the two collecting rings are respectively connected with two ends of the magnetic field winding, when the two collecting rings are connected with direct current through carbon brushes, the magnetic field winding can generate axial magnetic flux, so that the claw poles are magnetized into N poles and the claw poles are magnetized into S poles, and when the rotor rotates, the rotating magnetic field is formed. The carbon brush is easy to wear and needs to be replaced frequently, but the new carbon brush of the generator is not provided with a radian and is not matched with the shape of the collecting ring, the contact area between the carbon brush and the collecting ring is not enough after the carbon brush is installed, the phenomenon of sparking is easy to occur, and even the ring fire can occur to cause large shaft burning loss.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a carbon brush radian grinder to solve the problem of the not adaptation of radian of new carbon brush among the prior art and generator collecting ring.
In order to realize the above object, the utility model provides a carbon brush radian grinder, include: the carbon brush grinding device comprises a shell, a grinding assembly and a carbon brush fixing assembly, wherein the upper surface of the shell is a workbench; the grinding assembly comprises a first driving piece and a grinding cutter, the diameter of the grinding cutter is the same as that of a collector ring of the generator, the first driving piece is at least partially fixed in the shell, the grinding cutter is positioned on the workbench, and the grinding cutter is connected with the first driving piece so that the first driving piece drives the grinding cutter to rotate; the carbon brush fixing assembly comprises a carbon brush frame, the carbon brush is fixed on the carbon brush frame, and the carbon brush frame is movably arranged on the workbench.
Further, the carbon brush fixing assembly further comprises: the carbon brush fixing base, carbon brush frame detachably fixes on the carbon brush fixing base, and the carbon brush frame includes the carbon brush frame main part and wears to establish the connecting piece in the carbon brush frame main part, and the carbon brush fixing base includes mounting groove and fixed slot, the shape looks adaptation of mounting groove and carbon brush frame main part, the shape of fixed slot and the terminal shape looks adaptation of connecting piece.
Furthermore, a plurality of grooves are formed in the carbon brush holder main body, the carbon brush is arranged in the grooves, and when the carbon brush holder is installed on the carbon brush fixing seat, the grinding part of the carbon brush faces the grinding assembly.
Further, the carbon brush fixing assembly further comprises: the sliding rail comprises a plurality of sliding rails which are fixed on the workbench in parallel; the carbon brush fixing seat is fixed on the sliding block, the bottom of the sliding block is provided with a plurality of through holes, the sliding block is sleeved on the sliding rail through the through holes, and the sliding block is provided with a handle to facilitate pushing the sliding block to move horizontally.
Further, the first driving member includes: the transmission assembly is connected with the grinding assembly so as to drive the grinding assembly to rotate; the motor is connected with the transmission assembly to drive the transmission assembly; the frequency converter is electrically connected with the motor to control the motor.
Furthermore, one end of the sliding rail, which is close to the grinding assembly, is provided with a limit switch, the limit switch is electrically connected with the frequency converter, and when the sliding block is in contact with the limit switch, the motor stops.
Further, the grinding tool comprises: the grinding roller is connected with the transmission assembly, and the diameter of the grinding roller is the same as that of the collector ring of the generator; the abrasive belt is adhered to the outer surface of the grinding roller.
Furthermore, a protective cover is arranged on the shell, the grinding cutter is at least partially arranged in the protective cover, and an avoiding channel is arranged on one side, close to the carbon brush, of the protective cover, so that the carbon brush is matched with the grinding cutter.
Further, the housing and the shield are pivotally connected by a hinge.
Further, the surface of the shell is provided with a control panel, the control panel comprises a plurality of control buttons and an indicator light, and the control panel is electrically connected with the first driving piece.
Use the technical scheme of the utility model, carbon brush radian grinder includes the casing, grinding component and the fixed subassembly of carbon brush, the upper surface of casing is the workstation, the fixed subassembly of carbon brush includes the carbon brush frame, the carbon brush frame can move on the workstation, when the carbon brush contacts with grinding component, grinding component can grind the carbon brush, when the carbon brush grinds to target in place or need not grind, remove the carbon brush frame, can make the carbon brush keep away from grinding component, grinding component includes grinding tool and first driving piece, grinding tool rotates under the drive of first driving piece, and grind the carbon brush on the carbon brush frame, grinding tool's diameter is the same with the diameter of generator collecting ring, consequently grinding tool can make the radian and the generator collecting ring adaptation of carbon brush. The technical scheme of the utility model the problem of the not adaptation of radian of new carbon brush among the prior art and generator collecting ring has been solved effectively.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view showing an internal structure of an embodiment of a carbon brush arc grinder according to the present invention;
FIG. 2 shows a schematic front view of the carbon brush arc grinder of FIG. 1;
FIG. 3 shows a schematic rear view of the carbon brush holder of FIG. 1; and
fig. 4 is a schematic front view of the carbon brush holder shown in fig. 1.
Wherein the figures include the following reference numerals:
10. a housing; 11. a work table; 12. a control panel; 13. a protective cover; 14. a compartment door; 15. a universal wheel; 20. a grinding assembly; 21. a first driving member; 211. a transmission assembly; 212. an electric motor; 213. a frequency converter; 214. a distribution box; 22. grinding the cutter; 30. a carbon brush fixing assembly; 31. a carbon brush holder; 311. a handle; 312. a connecting member; 313. a carbon brush holder main body; 314. a carbon brush; 32. a carbon brush fixing seat; 321. mounting grooves; 322. fixing grooves; 33. a slide rail; 34. a slider; 35. a handle.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, the carbon brush arc grinding apparatus of the present embodiment includes: the carbon brush grinding device comprises a shell 10, a grinding assembly 20 and a carbon brush fixing assembly 30, wherein the upper surface of the shell 10 is a workbench 11; the grinding assembly 20 comprises a first driving member 21 and a grinding tool 22, the diameter of the grinding tool 22 is the same as that of the generator slip ring, the first driving member 21 is at least partially fixed in the housing 10, the grinding tool 22 is positioned on the worktable 11, and the grinding tool 22 is connected with the first driving member 21 so that the first driving member 21 drives the grinding tool 22 to rotate; the carbon brush fixing assembly 30 includes a carbon brush holder 31, the carbon brush is fixed on the carbon brush holder 31, and the carbon brush holder 31 is movably disposed on the worktable 11.
By applying the technical scheme of the embodiment, the carbon brush radian grinding device comprises a shell 10, a grinding assembly 20 and a carbon brush fixing assembly 30, the upper surface of the shell 10 is a workbench 11, the carbon brush fixing assembly 30 comprises a carbon brush holder 31, the carbon brush holder 31 can move on the workbench 11, when the carbon brush 314 is in contact with the grinding assembly 20, the grinding assembly 20 can grind the carbon brush 314, when the carbon brush is ground in place or does not need to be ground, the carbon brush holder 31 is moved, the carbon brush 314 can be far away from the grinding assembly 20, the grinding assembly 20 comprises a grinding cutter 22 and a first driving part 21, the grinding cutter 22 is driven by the first driving part 21 to rotate and grind the carbon brush 314 on the carbon brush holder 31, the diameter of the grinding cutter 22 is the same as that of a generator collector ring, and therefore, the grinding cutter 22 can enable the radian of the carbon brush 314 to be matched with. The technical scheme of this embodiment has solved the not adaptive problem of radian of new carbon brush and generator collecting ring among the prior art effectively.
As shown in fig. 1, 3 and 4, in the embodiment, the carbon brush fixing assembly 30 further includes: the carbon brush holder 32, the carbon brush holder 31 is detachably fixed on the carbon brush holder 32, the carbon brush holder 31 includes a carbon brush holder main body 313 and a connecting member 312 inserted in the carbon brush holder main body 313, the carbon brush holder 32 includes a mounting groove 321 and a fixing groove 322, the mounting groove is matched with the carbon brush holder main body 313 in shape, and the fixing groove 322 is matched with the connecting member 312 in shape at the end. The carbon brush holder main body 313 comprises a connecting block and two symmetrical triangular protrusions arranged on the connecting block, a plurality of grooves are formed in the first end of the connecting block, a connecting plate is arranged at the second end of the connecting block, the triangular protrusions and the connecting block are fixed together through the connecting plate, gaps are formed between the triangular protrusions and the connecting block, a through hole is formed in the connecting plate, the connecting piece 312 penetrates through the through hole to be connected with the handle 311, the mounting groove 321 of the carbon brush fixing seat 32 is trapezoidal, an iron sheet partially covering the mounting groove 321 is further fixed on the carbon brush fixing seat 32, during grinding, the triangular protrusions of the carbon brush holder 31 are installed in the mounting groove 321 of the carbon brush fixing seat 32, the iron sheet is located in the gaps between the triangular protrusions and the connecting block, then the tail end of the connecting piece 312 is inserted into the fixing groove 322. The connection mode of the carbon brush fixing seat 32 and the carbon brush holder 31 is very simple and convenient. The carbon brush holder 32 can fix not only the carbon brush holder 31 but also prevent the carbon brush holder 31 from being deformed during grinding.
As shown in fig. 1, 3 and 4, in the embodiment, the carbon brush holder main body 313 is provided with a plurality of grooves, the carbon brush 314 is disposed in the grooves, and when the carbon brush holder 31 is mounted on the carbon brush holder fixing base 32, the grinding portion of the carbon brush 314 faces the grinding assembly 20. After the grinding is completed, the carbon brush holder 31 is removed and the carbon brush 314 is replaced. The positional relationship of the carbon brushes 314 and the grinding rollers is the same as the positional relationship of the carbon brushes on the collector rings of the generator.
As shown in fig. 1, in the present embodiment, the carbon brush fixing assembly 30 further includes: the sliding rail 33 comprises a plurality of sliding rails 33 and sliding blocks 34, and the plurality of sliding rails 33 are fixed on the workbench 11 in parallel; the carbon brush fixing seat 32 is fixed on the sliding block 34, a plurality of through holes are formed in the bottom of the sliding block 34, the sliding block 34 is sleeved on the sliding rail 33 through the through holes, and a handle 35 is arranged on the sliding block 34 to facilitate pushing of the sliding block 34 to move horizontally. An operator holds the handle 35 by hand, pushes the sliding block 34 to move, the sliding block 34 is sleeved on the sliding rails 33 arranged in parallel, and the limiting effect of the sliding rails 33 arranged in parallel enables the sliding block 34 to move more stably.
As shown in fig. 1, in the solution of the present embodiment, the first driving member 21 includes: the transmission assembly 211, the motor 212 and the frequency converter 213, the transmission assembly 211 is connected with the grinding assembly 20 to drive the grinding assembly 20 to rotate; the motor 212 is connected with the transmission assembly 211 to drive the transmission assembly 211; the frequency converter 213 is electrically connected to the motor 212 to control the motor 212. The motor 212 has a power of 7.5KW, and a distribution box 214 is further provided in the housing 10, the distribution box 214 being connected to the motor 212 to supply power to the motor 212. The transmission assembly 211 comprises a bearing, a coupler and a transmission shaft, specifically, an output shaft of the motor 212 is connected with the transmission shaft through the coupler, the grinding roller is arranged on the bearing, and the upper side and the lower side of the grinding roller are sleeved with the bearing.
As shown in fig. 1, in the solution of this embodiment, a limit switch is disposed at one end of the slide rail 33 close to the grinding assembly 20, the limit switch is electrically connected to the frequency converter 213, and when the slide block 34 contacts the limit switch, the motor 212 stops. The motor 212 is controlled by the frequency converter 213 to start in a variable frequency manner, so that the carbon brush 314 is prevented from being broken when the motor 212 starts. When the slider 34 contacts the limit switch, the electric shock in the limit switch is turned on, and the inverter 213 controls the motor 212 to stop the rotation of the motor 212 to prevent excessive grinding.
As shown in fig. 1, in the solution of the present embodiment, the grinding tool 22 includes: the grinding roller is connected with the transmission assembly 211, and the diameter of the grinding roller is the same as that of the collector ring of the generator; the abrasive belt is adhered to the outer surface of the grinding roller. The abrasive belt adopts 1000 meshes to 2000 meshes (the granularity is 7 mu M-2 mu M), and needs to be replaced after a period of time. The diameter of the grinding roller is 380mm, the grinding roller needs to be installed and used after dynamic balance and roundness tests to ensure even grinding, and the grinding degree needs to be tested firstly after the abrasive belt is replaced to prevent the surface of the carbon brush 314 from being scratched.
As shown in fig. 1 and fig. 2, in the solution of the present embodiment, a protective cover 13 is further disposed on the housing 10, the grinding tools 22 are at least partially disposed in the protective cover 13, and an escape passage is provided on a side of the protective cover 13 close to the carbon brush, so that the carbon brush and the grinding tools 22 are matched. The protective cover 13 can prevent an operator from accidentally touching the grinding cutter 22 to be injured.
As shown in fig. 1 and 2, in the solution of the present embodiment, the housing 10 and the shield 13 are pivotally connected by a hinge. The hinge connection has the advantages of simple and convenient connection mode and low cost. The protective cover 13 can be turned away from the carbon brushes and the grinding tools 22 exposed for easy maintenance and replacement of the sanding belt. The housing 10 and the shield 13 are both made of stainless steel.
As shown in fig. 1 and fig. 2, in the solution of the present embodiment, a control panel 12 is disposed on a surface of the housing 10, the control panel 12 includes a plurality of control buttons and indicator lights, and the control panel 12 is electrically connected to the first driving member 21. The housing 10 includes a compartment and a door 14, wherein the door 14 is pivotally disposed on the compartment, specifically, the door 14 is connected to the compartment through a hinge, and when the door 14 is opened, the transmission assembly 211, the motor 212, the frequency converter 213, and the distribution box 214 in the compartment can be maintained and repaired. The control buttons and indicator lights are electrically connected to the devices in the car body, such as the transmission assembly 211, the motor 212, the inverter 213, and the distribution box 214, so that an operator can control the operation of the devices in the car body by operating the control buttons on the control panel 12 and observe the operation of the devices in the car body through the indicator lights. The bottom of the carriage body is also provided with universal wheels 15 so as to facilitate the movement of the carbon brush radian grinding device.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A carbon brush radian grinding device is characterized by comprising:
the device comprises a shell (10), wherein the upper surface of the shell (10) is a workbench (11);
a grinding assembly (20), wherein the grinding assembly (20) comprises a first driving piece (21) and a grinding cutter (22), the diameter of the grinding cutter (22) is the same as that of a generator slip ring, the first driving piece (21) is at least partially fixed in the shell (10), the grinding cutter (22) is located on the workbench (11), and the grinding cutter (22) is connected with the first driving piece (21) so that the first driving piece (21) drives the grinding cutter (22) to rotate;
the carbon brush fixing assembly (30) comprises a carbon brush frame (31), the carbon brush is fixed on the carbon brush frame (31), and the carbon brush frame (31) is movably arranged on the workbench (11).
2. The carbon brush arc grinding apparatus according to claim 1, wherein the carbon brush fixing assembly (30) further includes:
carbon brush fixing base (32), carbon brush holder (31) detachably fixes on carbon brush fixing base (32), carbon brush holder (31) include carbon brush holder main part (313) and wear to establish connecting piece (312) on carbon brush holder main part (313), carbon brush fixing base (32) include mounting groove (321) and fixed slot (322), mounting groove (321) with the shape looks adaptation of carbon brush holder main part (313), the shape of fixed slot (322) with the terminal shape looks adaptation of connecting piece (312).
3. The carbon brush arc grinding apparatus according to claim 2, wherein a plurality of grooves are formed in the carbon brush holder main body (313), the carbon brush (314) is disposed in the grooves, and the grinding portion of the carbon brush (314) faces the grinding unit (20) when the carbon brush holder (31) is mounted on the carbon brush holder fixing base (32).
4. The carbon brush arc grinding apparatus according to claim 3, wherein the carbon brush fixing assembly (30) further includes:
the sliding rail (33), the sliding rail (33) comprises a plurality of sliding rails, and the plurality of sliding rails (33) are fixed on the workbench (11) in parallel;
the carbon brush fixing base (32) is fixed on the sliding block (34), a plurality of through holes are formed in the bottom of the sliding block (34), the sliding block (34) is sleeved on the sliding rail (33) through the through holes, and a handle (35) is arranged on the sliding block (34) to facilitate pushing of the sliding block (34) in horizontal movement.
5. The carbon brush arc grinding apparatus according to claim 4, wherein the first driving member (21) includes:
the transmission assembly (211), the transmission assembly (211) is connected with the grinding assembly (20) to drive the grinding assembly (20) to rotate;
a motor (212), said motor (212) being coupled to said drive assembly (211) to drive said drive assembly (211);
a frequency converter (213), the frequency converter (213) being electrically connected with the motor (212) to control the motor (212).
6. The carbon brush arc grinding device according to claim 5, wherein a limit switch is arranged at one end of the slide rail (33) close to the grinding assembly (20), the limit switch is electrically connected with the frequency converter (213), and the motor (212) stops when the slide block (34) is in contact with the limit switch.
7. The carbon brush arc grinding apparatus according to claim 5, wherein the grinding tool (22) includes:
the grinding roller is connected with the transmission assembly (211), and the diameter of the grinding roller is the same as that of the generator collecting ring;
and the abrasive belt is stuck on the outer surface of the grinding roller.
8. The carbon brush radian grinding device according to claim 7, wherein a protective cover (13) is further arranged on the shell (10), the grinding tool (22) is at least partially arranged in the protective cover (13), and an escape channel is formed on one side, close to the carbon brush (314), of the protective cover (13) so as to enable the carbon brush (314) to be matched with the grinding tool (22).
9. The carbon brush arc grinding apparatus according to claim 8, wherein the housing (10) and the shield (13) are pivotably connected by a hinge.
10. The carbon brush arc grinding apparatus according to any one of claims 1 to 9, wherein a control panel (12) is provided on a surface of the housing (10), the control panel (12) includes a plurality of control buttons and indicator lights, and the control panel (12) is electrically connected to the first driving member (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540447.6U CN209868227U (en) | 2019-04-19 | 2019-04-19 | Carbon brush radian grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540447.6U CN209868227U (en) | 2019-04-19 | 2019-04-19 | Carbon brush radian grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209868227U true CN209868227U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920540447.6U Active CN209868227U (en) | 2019-04-19 | 2019-04-19 | Carbon brush radian grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209868227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059731A (en) * | 2020-08-27 | 2020-12-11 | 海南核电有限公司 | Automatic carbon brush grinding method based on servo control system |
| CN112872995A (en) * | 2021-03-05 | 2021-06-01 | 中国长江电力股份有限公司 | Device and method for improving grinding precision of carbon brush of large water turbine by automatically adjusting radian |
-
2019
- 2019-04-19 CN CN201920540447.6U patent/CN209868227U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059731A (en) * | 2020-08-27 | 2020-12-11 | 海南核电有限公司 | Automatic carbon brush grinding method based on servo control system |
| CN112059731B (en) * | 2020-08-27 | 2023-08-29 | 海南核电有限公司 | Automatic carbon brush grinding method based on servo control system |
| CN112872995A (en) * | 2021-03-05 | 2021-06-01 | 中国长江电力股份有限公司 | Device and method for improving grinding precision of carbon brush of large water turbine by automatically adjusting radian |
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