Carbon brush polishing device

Abstract

The utility model discloses a carbon brush polishing device, and relates to the technical field of carbon brush installation and replacement. The device comprises a placing platform, a polishing composite assembly is installed on the top of the placing platform, and a clamping assembly is installed on the inner side of the polishing composite assembly. Through the arrangement of the polishing composite assembly, the bottom of the carbon brush is directly polished, so that the polishing efficiency of the carbon brush can be improved, a plurality of carbon brushes can be polished at the same time, and the working efficiency of polishing the carbon brush is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon brush installation and replacement, in particular to a carbon brush grinding device. Background Art

[0002] Carbon brushes are important components of the generator excitation system. Due to long-term contact with the high-speed rotating slip ring, they are prone to abnormal operating conditions such as sparking, poor contact, and severe wear, resulting in unstable reactive power and voltage fluctuations of the generator. In severe cases, the generator may lose magnetism, causing it to run in phase or even shut down. Therefore, improper or inadequate replacement and maintenance of carbon brushes may cause loss of magnetism, leading to forced shutdown. Therefore, the replacement and maintenance of generator carbon brushes is particularly important.

[0003] With reference to the authorized announcement number "CN217572255U", a carbon brush rapid grinding device is disclosed, which records: "Through the cooperation between the fixing mechanism and the shaping mechanism, the grinding can be carried out according to the curvature of the slip ring that matches the carbon brush to be polished, thereby solving the technical problem that the curvature of the carbon brush is difficult to control during grinding, which seriously affects the degree of fit."

[0004] In the process of implementing the patent, the applicant found that the patent had the following technical problems:

[0005] Due to the grinding device provided in the patent, after grinding the carbon brush, it is necessary to compare the curvature of the carbon brush with that of the simulated slip ring block. Therefore, the bottom of the carbon brush needs to be ground and the curvature compared multiple times to obtain a carbon brush with a suitable curvature, which will waste a lot of energy and time. Therefore, it is necessary to propose a carbon brush grinding device to solve the technical problems mentioned in the above patent and provide a new technical solution. Utility Model Content

[0006] Based on this, a carbon brush grinding device is provided to solve the following technical problems raised in the background technology: due to the grinding device set in the patent, after the carbon brush is ground, the carbon brush needs to be compared with the curvature of the simulated slip ring block. Therefore, the bottom of the carbon brush needs to be ground and the curvature compared multiple times to obtain a carbon brush with a suitable curvature, which will waste a lot of energy and time.

[0007] The utility model adopts the following technical solution:

[0008] The carbon brush grinding device specifically comprises a placement platform, a grinding composite component is installed on the top of the placement platform, and a clamping component is installed inside the grinding composite component;

[0009] The polishing composite assembly includes a first fixed plate and a fixed disk. Two first fixed plates are fixedly connected to both ends of one side of the placement platform. The two first fixed plates at the same end are fixedly connected to the fixed disk by screws, and the two fixed disks are located between the two groups of the first fixed plates.

[0010] Furthermore, the polishing composite assembly also includes a second fixed plate, an arc-shaped fixed plate, a first rotating rod and a polishing roller, wherein a second fixed plate is arranged between the two first fixed plates at one end, and the bottom of the second fixed plate is fixedly connected to the top of the placing platform, a semi-arc groove is arranged on the top of the second fixed plate, and the top of the second fixed plate is detachably connected to the arc-shaped fixed plate, and a first rotating rod is gap-fitted with the second fixed plate and the arc-shaped fixed plate, the first rotating rod passes through the inner side of the fixed disk close to the side of the second fixed plate, and the first rotating rod is rotatably connected to the fixed disk, the end of the first rotating rod away from the second fixed plate is rotatably connected to the other fixed disk, a polishing roller is sleeved on the outer side of the first rotating rod, and the polishing roller is arranged between the two fixed disks.

[0011] Furthermore, the grinding composite assembly also includes a first driving disk, a motor, a second driving disk and a transmission belt, the first rotating rod is fixedly connected to the first driving disk at one end away from the grinding roller, the top of the placement platform is fixedly connected to the side away from the grinding roller with a motor, the output end of the motor is fixedly connected to the second driving disk, and the second driving disk is located at one end close to the first driving disk, a transmission belt is arranged between the first driving disk and the second driving disk, and the second driving disk drives the first driving disk to rotate via the transmission belt.

[0012] Furthermore, the polishing composite component also includes a fixed rod, a fixed ring and a hollow square tube, two fixed rods are fixedly connected between the two fixed plates, a plurality of fixed rings are fixedly connected to the bottom of the two fixed rods, a plurality of reserved grooves are opened on the outer peripheral side of the fixed ring, and the reserved grooves are arranged above the fixed rings, and the reserved grooves and the two fixed rods are staggered, and the inner sides of the reserved grooves are fixedly connected to hollow square tubes.

[0013] Furthermore, the clamping assembly includes a rotating shaft, an arc-shaped piece, a first spring and a first extrusion plate. The outer sides of both sides of the hollow square tube are fixedly connected with the rotating shaft, the top of the hollow square tube is provided with an arc-shaped piece, the bottom of both sides of the arc-shaped piece is rotatably connected to the outer side of the rotating shaft, the inner bottom of the arc-shaped piece is fixedly connected with the first spring, the bottom of the first spring is fixedly connected with the first extrusion plate, and the bottom of the first extrusion plate is provided with a placement groove.

[0014] Furthermore, the clamping assembly also includes a second extrusion plate, a second spring and a second rotating rod. Second extrusion plates are provided at both ends of the inner side of the hollow square tube. Two second extrusion plates are fixedly connected to a plurality of second springs at one end away from each other. The ends of the second springs away from the second extrusion plates are fixedly connected to the inner wall of the hollow square tube. A plurality of rotating grooves are provided at the ends of the second extrusion plates close to each other, and second rotating rods are rotatably connected to the inner sides of the rotating grooves.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model provides a carbon brush grinding device, which can improve the efficiency of carbon brush grinding by directly grinding the bottom of the carbon brush, and can also grind multiple carbon brushes at the same time, thereby further improving the working efficiency of carbon brush grinding.

[0017] The utility model provides a carbon brush grinding device, which can fix the carbon brush, thereby preventing the carbon brush from shaking during the grinding process, thereby improving the grinding accuracy of the carbon brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the overall structure of a carbon brush grinding device provided by the utility model;

[0020] Figure 2 A schematic diagram of the structure of a grinding roller of a carbon brush grinding device provided by the utility model;

[0021] Figure 3 A schematic diagram of the structure of a transmission belt of a carbon brush grinding device provided by the utility model;

[0022] Figure 4 A structural schematic diagram of a fixing rod of a carbon brush grinding device provided by the utility model;

[0023] Figure 5 A schematic diagram of the structure of an arc-shaped piece of a carbon brush grinding device provided by the utility model;

[0024] Figure 6 The utility model provides a structural schematic diagram of the second rotating rod of a carbon brush grinding device.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Placing platform; 2. Grinding composite component; 3. Clamping component; 4. First fixed plate; 5. Fixed disk; 6. Second fixed plate; 7. Arc-shaped fixed plate; 8. First rotating rod; 9. Grinding roller; 10. First driving disk; 11. Motor; 12. Second driving disk; 13. Transmission belt; 14. Fixed rod; 15. Fixed ring; 16. Hollow square tube; 17. Rotating shaft; 18. Arc-shaped sheet; 19. First spring; 20. First extrusion plate; 21. Second extrusion plate; 22. Second spring; 23. Second rotating rod. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0028] As described in the background art, due to the grinding device provided in the patent, after the carbon brush is ground, the carbon brush needs to be compared with the curvature of the simulated slip ring block. Therefore, the bottom of the carbon brush needs to be ground and the curvature compared multiple times to obtain a carbon brush with a suitable curvature, which wastes a lot of energy and time.

[0029] In order to solve this technical problem, the utility model provides a carbon brush grinding device, which can improve the efficiency of carbon brush grinding by directly grinding the bottom of the carbon brush, and can also grind multiple carbon brushes at the same time, thereby further improving the work efficiency of carbon brush grinding.

[0030] Specifically, please refer to Figure 1-Figure 2 A carbon brush grinding device specifically comprises a placing platform 1, a grinding composite component 2 is installed on the top of the placing platform 1, and a clamping component 3 is installed inside the grinding composite component 2;

[0031] The polishing composite assembly 2 includes a first fixed plate 4 and a fixed disk 5. Two first fixed plates 4 are fixedly connected to both ends of one side of the placement platform 1. The two first fixed plates 4 at the same end are fixedly connected to the fixed disk 5 by screws, and the two fixed disks 5 are located between the two groups of first fixed plates 4.

[0032] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0033] Embodiment 1:

[0034] Please refer to Figure 1 A carbon brush grinding device comprises a placing platform 1, a grinding composite component 2 is installed on the top of the placing platform 1, and a clamping component 3 is installed inside the grinding composite component 2.

[0035] When in use, the carbon brushes are placed in order inside the polishing composite component 2, and by opening the polishing composite component 2, the bottom of the carbon brush can be polished. At the same time, the setting of the clamping component 3 can fix the carbon brush, thereby further improving the polishing effect of the carbon brush.

[0036] Embodiment 2:

[0037] This embodiment 2 is used to further disclose the specific structure of the grinding composite component 2 on the premise of the above embodiment. By coordinating the grinding composite component 2 with the structure in the above embodiment, the bottom of the carbon brush can be directly ground, thereby improving the efficiency of grinding the carbon brush. It is also possible to grind multiple carbon brushes at the same time, thereby further improving the working efficiency of grinding the carbon brush.

[0038] A carbon brush grinding device provided in Example 1 is further optimized, specifically, as follows Figure 2-Figure 4 As shown, the polishing composite assembly 2 includes a first fixed plate 4 and a fixed disk 5, and two first fixed plates 4 are fixedly connected to both ends of one side of the placement platform 1, and the two first fixed plates 4 at the same end are fixedly connected to the fixed disk 5 by screws, and the two fixed disks 5 are located between the two groups of first fixed plates 4.

[0039] The polishing composite assembly 2 also includes a second fixed plate 6, an arc-shaped fixed plate 7, a first rotating rod 8 and a polishing roller 9, wherein a second fixed plate 6 is arranged between the two first fixed plates 4 at one end, and the bottom of the second fixed plate 6 is fixedly connected to the top of the placement platform 1, a semi-arc groove is provided on the top of the second fixed plate 6, and the top of the second fixed plate 6 is detachably connected to the arc-shaped fixed plate 7, and a first rotating rod 8 is gap-fitted between the second fixed plate 6 and the arc-shaped fixed plate 7, the first rotating rod 8 passes through the inner side of the fixed disk 5 close to the side of the second fixed plate 6, and the first rotating rod 8 is rotatably connected to the fixed disk 5, the end of the first rotating rod 8 away from the second fixed plate 6 is rotatably connected to the other fixed disk 5, a polishing roller 9 is sleeved on the outer side of the first rotating rod 8, and the polishing roller 9 is arranged between the two fixed disks 5.

[0040] The grinding composite component 2 also includes a first driving disk 10, a motor 11, a second driving disk 12 and a transmission belt 13. The first rotating rod 8 is fixedly connected to the first driving disk 10 at one end away from the grinding roller 9, and the motor 11 is fixedly connected to the side of the top of the placement platform 1 away from the grinding roller 9. The output end of the motor 11 is fixedly connected to the second driving disk 12, and the second driving disk 12 is located at one end close to the first driving disk 10. A transmission belt 13 is arranged between the first driving disk 10 and the second driving disk 12, and the second driving disk 12 drives the first driving disk 10 to rotate through the transmission belt 13.

[0041] The polishing composite component 2 also includes a fixed rod 14, a fixed ring 15 and a hollow square tube 16. Two fixed rods 14 are fixedly connected between the two fixed plates 5. A plurality of fixed rings 15 are fixedly connected to the bottom of the two fixed rods 14. A plurality of reserved grooves are opened on the outer peripheral side of the fixed ring 15, and the reserved grooves are arranged above the fixed ring 15. The reserved grooves and the two fixed rods 14 are staggered, and the inner sides of the reserved grooves are fixedly connected to the hollow square tubes 16.

[0042] Specifically: after the carbon brushes are orderly placed inside the hollow square tube 16 and the bottom of the carbon brushes is fitted to the surface of the grinding roller 9, the motor 11 can be turned on to drive the second driving disk 12 fixedly connected to the output end of the motor 11. Through the linkage setting of the transmission belt 13, the first driving disk 10 can be driven to rotate during the rotation of the second driving disk 12, thereby driving the first rotating rod 8 fixedly connected to the first driving disk 10 to rotate between the two fixed disks 5. At the same time, the grinding roller 9 is driven to rotate synchronously through the first rotating rod 8, and the purpose of grinding the bottom of the carbon brush is achieved;

[0043] At the same time, the diameter of the grinding roller 9 can be set to be the same as the diameter of the slip ring, so that the grinding arc of the bottom of the carbon brush can match the arc of the slip ring;

[0044] The second fixing plate 6 and the arc-shaped fixing plate 7 can provide further support for the first rotating rod 8, and can also facilitate the disassembly of the first rotating rod 8, thereby facilitating maintenance and replacement of the first rotating rod 8.

[0045] At the same time, by disassembling the first rotating rod 8, the grinding roller 9 can be easily replaced. By using grinding rollers 9 of different coarsenesses to grind the bottom of the carbon brush, the convenience of grinding carbon brushes for various applications can be improved.

[0046] Embodiment 3:

[0047] This embodiment 3 is used to further disclose the specific structure of the clamping assembly 3 on the premise of the above embodiments. By cooperating with the clamping assembly 3 and the structure in the above embodiments, the carbon brush can be fixed, thereby avoiding the shaking of the carbon brush during the grinding process of the carbon brush, thereby improving the grinding accuracy of the carbon brush.

[0048] The carbon brush grinding device provided in Example 1 and Example 2 is further optimized. Specifically, Figure 5-Figure 6 As shown, the clamping assembly 3 includes a rotating shaft 17, an arc-shaped piece 18, a first spring 19 and a first extrusion plate 20. The outer sides of both sides of the hollow square tube 16 are fixedly connected with the rotating shaft 17, the top of the hollow square tube 16 is provided with an arc-shaped piece 18, the bottoms of both sides of the arc-shaped piece 18 are rotatably connected to the outer side of the rotating shaft 17, the inner bottom of the arc-shaped piece 18 is fixedly connected with the first spring 19, the bottom of the first spring 19 is fixedly connected with the first extrusion plate 20, and the bottom of the first extrusion plate 20 is provided with a placement groove.

[0049] The clamping assembly 3 also includes a second extrusion plate 21, a second spring 22 and a second rotating rod 23. Second extrusion plates 21 are provided at both ends of the inner side of the hollow square tube 16. The two second extrusion plates 21 are fixedly connected to a plurality of second springs 22 at one end away from each other. The ends of the second springs 22 away from the second extrusion plates 21 are fixedly connected to the inner wall of the hollow square tube 16. A plurality of rotating grooves are provided at the ends of the second extrusion plates 21 close to each other, and the second rotating rods 23 are rotatably connected to the inner sides of the rotating grooves.

[0050] Specifically: by rotating the arc-shaped sheet 18 and moving the arc-shaped sheet 18 out of the top of the hollow square tube 16, a carbon brush can be placed inside the hollow square tube 16;

[0051] When placing the carbon brush, the carbon brush can be placed between the two second extrusion plates 21. The second springs 22 are provided to clamp the two ends of the carbon brush. The second rotating rod 23 is provided to clamp the two ends of the carbon brush and enable the carbon brush to move downward between the second extrusion plates 21.

[0052] Then, the arc-shaped sheet 18 is flipped back to the top of the hollow square tube 16, and the first extrusion plate 20 at the bottom of the arc-shaped sheet 18 is moved to the top of the carbon brush, and the placement groove opened at the bottom of the first extrusion plate 20 wraps the top of the carbon brush. Through the coordinated use of the first extrusion plate 20 and the first spring 19, the carbon brush can be squeezed, thereby improving the effect of the grinding roller 9 on the grinding of the bottom of the carbon brush.

Claims

1. A carbon brush grinding device, comprising a placement platform (1), characterized in that: A polishing composite component (2) is installed on the top of the placement platform (1), and a clamping component (3) is installed inside the polishing composite component (2); The polishing composite component (2) comprises a first fixing plate (4) and a fixing disk (5), two first fixing plates (4) are fixedly connected to both ends of one side of the placement platform (1), the two first fixing plates (4) at the same end are fixedly connected to the fixing disk (5) by screws, and the two fixing disks (5) are located between the two groups of the first fixing plates (4).

2. A carbon brush grinding device according to claim 1, characterized in that: The grinding composite component (2) further comprises a second fixing plate (6), an arc-shaped fixing plate (7), a first rotating rod (8) and a grinding roller (9), wherein a second fixing plate (6) is arranged between the two first fixing plates (4) at one end, and the bottom of the second fixing plate (6) is fixedly connected to the top of the placing platform (1), a semi-arc groove is arranged on the top of the second fixing plate (6), and the top of the second fixing plate (6) is detachably connected to the arc-shaped fixing plate (7), and a first rotating rod (8) is gap-fitted between the second fixing plate (6) and the arc-shaped fixing plate (7), the first rotating rod (8) passes through the inner side of the fixing plate (5) close to the second fixing plate (6), and the first rotating rod (8) is rotatably connected to the fixing plate (5), the end of the first rotating rod (8) away from the second fixing plate (6) is rotatably connected to the other fixing plate (5), and a grinding roller (9) is sleeved on the outer side of the first rotating rod (8), and the grinding roller (9) is arranged between the two fixing plates (5).

3. A carbon brush grinding device according to claim 2, characterized in that: The grinding composite component (2) also includes a first driving disk (10), a motor (11), a second driving disk (12) and a transmission belt (13); the first rotating rod (8) is fixedly connected to the first driving disk (10) at one end away from the grinding roller (9); the top of the placement platform (1) is fixedly connected to the side away from the grinding roller (9); the output end of the motor (11) is fixedly connected to the second driving disk (12), and the second driving disk (12) is located near one end of the first driving disk 1 (0); a transmission belt (13) is arranged between the first driving disk (10) and the second driving disk (12), and the second driving disk (12) drives the first driving disk (10) to rotate through the transmission belt (13).

4. A carbon brush grinding device according to claim 3, characterized in that: The polishing composite component (2) further comprises a fixing rod (14), a fixing ring (15) and a hollow square tube (16); two fixing rods (14) are fixedly connected between the two fixing plates (5); a plurality of fixing rings (15) are fixedly connected to the bottom of the two fixing rods (14); a plurality of reserved grooves are provided on the outer circumference of the fixing ring (15); the reserved grooves are arranged above the fixing ring (15); the reserved grooves and the two fixing rods (14) are arranged in an alternating manner; and the inner sides of the reserved grooves are fixedly connected to the hollow square tubes (16).

5. A carbon brush grinding device according to claim 4, characterized in that: The clamping assembly (3) comprises a rotating shaft (17), an arc-shaped sheet (18), a first spring (19) and a first extrusion plate (20); the outer sides of both sides of the hollow square tube (16) are fixedly connected to the rotating shaft (17); the top of the hollow square tube (16) is provided with an arc-shaped sheet (18); the bottoms of both sides of the arc-shaped sheet (18) are rotatably connected to the outer sides of the rotating shaft (17); the inner bottom of the arc-shaped sheet (18) is fixedly connected to the first spring (19); the bottom of the first spring (19) is fixedly connected to the first extrusion plate (20); and the bottom of the first extrusion plate (20) is provided with a placement groove.

6. A carbon brush grinding device according to claim 5, characterized in that: The clamping assembly (3) further comprises a second extrusion plate (21), a second spring (22) and a second rotating rod (23). The second extrusion plates (21) are arranged at both ends of the inner side of the hollow square tube (16). The ends of the two second extrusion plates (21) which are away from each other are fixedly connected with a plurality of second springs (22). The ends of the second springs (22) which are away from the second extrusion plates (21) are fixedly connected with the inner side wall of the hollow square tube (16). The ends of the second extrusion plates (21) which are close to each other are provided with a plurality of rotating grooves. The inner sides of the rotating grooves are rotatably connected with the second rotating rods (23).

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