Power generator carbon brush grinding tool

Abstract

The utility model provides a generator carbon brush grinding tool which comprises a supporting assembly, a connecting sleeve fixedly installed on the top of a supporting seat, a grinding assembly arranged on the top of the supporting seat, an arc-shaped block fixedly installed on the top of the supporting seat, a fixing assembly arranged on the surface of the supporting seat and a pushing assembly arranged on the surface of the supporting seat. The sliding assembly is arranged on the top of the supporting base, the up-down moving assembly is arranged on the surface of the sliding assembly, and the clamping assembly is arranged on the surface of the up-down moving assembly. According to the generator carbon brush grinding tool, a carbon brush block can be clamped through the clamping assembly, meanwhile, the carbon brush can be connected to the surface of the grinding assembly through the up-down moving assembly, grinding of the carbon brush can be achieved by pulling the up-down moving assembly left and right, the grinding assembly can be replaced according to the radian of a collecting ring, and the grinding efficiency is improved. And the fixing assembly is adjusted through the pushing assembly to achieve fixing of the grinding assembly, and the grinding accuracy is improved while the carbon brushes of different models can be ground.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding tools, in particular to a grinding tool for generator carbon brushes. Background Art

[0002] A carbon brush is a device for transmitting energy or signals between the fixed part and the rotating part of a motor, a generator or other rotating machinery. It is generally made of pure carbon plus a solidifying agent, and its shape is generally a square block, which is stuck on a metal bracket, and there is a spring inside to press it tightly on the rotating shaft. When the motor rotates, electrical energy is transmitted to the coil through the commutator.

[0003] The arc of the carbon brush polished manually by hand has a large difference from that of the slip ring. It is found in actual operation that the carbon brush often has poor contact with the slip ring, resulting in heating and even sparking. If the overheating of the carbon brush is not eliminated in time, it may cause the brush holder to burn out and the brush braid to break. In severe cases, it will cause the unit to shut down due to an accident, posing a major safety hazard.

[0004] Therefore, it is necessary to provide a grinding tool for generator carbon brushes to solve the above technical problems. Summary of the Utility Model

[0005] The utility model provides a grinding tool for generator carbon brushes, which solves the problems that the arc of the carbon brush polished manually by hand is inaccurate and it is easy to cause safety accidents.

[0006] To solve the above technical problems, a grinding tool for generator carbon brushes provided by the utility model includes: a support assembly, the support assembly includes a support base, and a connecting sleeve is fixedly installed on the top of the support base;

[0007] A grinding assembly, the grinding assembly is arranged on the top of the support base, the grinding assembly includes an arc-shaped block, the arc-shaped block is fixedly installed on the top of the support base, a connecting block is fixedly connected to the bottom of the arc-shaped block, and the connecting block is movably embedded inside the connecting sleeve;

[0008] A fixing assembly, the fixing assembly is arranged on the surface of the support base;

[0009] A pushing assembly, the pushing assembly is arranged on the surface of the support base;

[0010] A sliding assembly, the sliding assembly is arranged on the top of the support base;

[0011] An up-and-down moving assembly, the up-and-down moving assembly is arranged on the surface of the sliding assembly;

[0012] A clamping assembly, the clamping assembly is arranged on the surface of the up-and-down moving assembly.

[0013] Preferably, the fixing component includes a first sliding groove opened on the surface of the top of the support base. A spring block is movably connected inside the first sliding groove. One end of the spring block is movably connected to a fixing hole opened inside the connecting block.

[0014] Preferably, the pushing component includes a pushing block movably connected to the surface of the spring block. A rotating threaded rod is threadedly connected to the surface of the pushing block and is movably installed inside the top of the support base.

[0015] Preferably, the sliding component includes a support frame fixedly connected to the top of the support base. A second sliding groove is opened on the surface of the support frame, and a sliding block is movably connected inside the second sliding groove.

[0016] Preferably, the vertical movement component includes a reset spring slide rod fixedly installed at both ends of the bottom of the sliding block. A sliding plate is movably connected to the outer surface of the reset spring slide rod, and a pressing rod is fixedly connected to the top of the sliding plate.

[0017] Preferably, the clamping component includes a reverse-threaded rod movably installed inside the bottom of the sliding plate. A clamping plate is threadedly connected to the outer surface of the reverse-threaded rod.

[0018] Compared with the related art, a generator carbon brush grinding tool provided by the present utility model has the following

[0019] Beneficial effects:

[0020] The present utility model provides a generator carbon brush grinding tool. While the carbon brush block can be clamped by the clamping component, the carbon brush can be connected to the surface of the grinding component through the vertical movement component. Pulling the vertical movement component left and right can achieve the grinding of the carbon brush. Moreover, the grinding component can be replaced according to the arc of the slip ring, and the fixing component can be adjusted through the pushing component to fix the grinding component. It can grind carbon brushes of different models, is convenient to operate, and improves the accuracy of grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of a preferred embodiment of a generator carbon brush grinding tool provided by the present utility model;

[0022] Figure 2 is Figure 1 a schematic diagram of the top structure of the support base 11 shown;

[0023] Figure 3 is Figure 1 a schematic diagram of the bottom structure of the support frame 51 shown.

[0024] Reference numerals in the figure: 1. Support assembly, 11. Support base, 12. Connecting sleeve,

[0025] 2. Grinding assembly, 21. Arc-shaped block, 22. Connecting block,

[0026] 3. Fixing assembly, 31. First sliding groove, 32. Spring block, 33. Fixing hole,

[0027] 4. Pushing assembly, 41. Pushing block, 42. Rotating threaded rod,

[0028] 5. Sliding assembly, 51. Support frame, 52. Second sliding groove, 53. Sliding block,

[0029] 6. Up-and-down moving assembly, 61. Reset spring slide rod, 62. Sliding plate, 63. Pressing rod,

[0030] 7. Clamping assembly, 71. Reverse-threaded rod, 72. Clamping plate. Detailed implementation mode

[0031] The present utility model will be further described below in conjunction with the accompanying drawings and implementation modes.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , wherein, Figure 1 is a schematic structural diagram of a preferred embodiment of a generator carbon brush grinding tool provided by the present utility model; Figure 2 is Figure 1 a schematic top view of the support base 11 shown in Figure 3 is Figure 1 a schematic bottom view of the support frame 51 shown in

[0033] A generator carbon brush grinding tool includes: a support assembly 1, the support assembly 1 includes a support base 11, and a connecting sleeve 12 is fixedly installed on the top of the support base 11;

[0034] a grinding assembly 2, the grinding assembly 2 is arranged on the top of the support base 11, the grinding assembly 2 includes an arc-shaped block 21, the arc-shaped block 21 is fixedly installed on the top of the support base 11, and a connecting block 22 is fixedly connected to the bottom of the arc-shaped block 21, and the connecting block 22 is movably embedded in the connecting sleeve 12;

[0035] a fixing assembly 3, the fixing assembly 3 is arranged on the surface of the support base 11;

[0036] a pushing assembly 4, the pushing assembly 4 is arranged on the surface of the support base 11;

[0037] Move the up-and-down moving component 6, and the up-and-down moving component 6 is arranged on the surface of the sliding component 5;

[0038] The clamping component 7, and the clamping component 7 is arranged on the surface of the up-and-down moving component 6.

[0039] The number of the connecting sleeves 12 is two, and the two connecting sleeves 12 are respectively fixedly connected to the tops of the supporting seats 11 near both ends of the action. The top surface of the arc-shaped block 21 is polished with sandpaper of more than 1500 meshes, which can make the polished surface smooth enough to ensure the contact area between the carbon brush and the slip ring surface, so that the conductivity of the carbon brush meets the operation requirements of the unit, ensuring the safe and stable operation of the generator. The number of the connecting blocks 22 is two, and the distances between the two connecting blocks 22 and the two connecting sleeves 12 are the same and are fixedly connected to the bottom of the arc-shaped block 21. By respectively embedding the two connecting blocks 22 into the two arc-shaped blocks 21, the connection between the arc-shaped block 21 and the supporting seat 11 is realized. The function of the fixing component 3 is to fix the connecting block 22, and the function of the pushing component 4 is to push the fixing component 3 to move to realize the fixing of the connecting block 22 by the fixing component 3. The function of the sliding component 5 is to support and at the same time realize the left-right movement of the up-and-down moving component 6. The function of the up-and-down moving component 6 is to push the carbon brush downward to realize the connection with the arc-shaped block 21. The function of the clamping component 7 is to clamp and fix the carbon brush.

[0040] The fixing component 3 includes a first sliding groove 31, the first sliding groove 31 is opened on the surface of the top of the supporting seat 11, a spring block 32 is movably connected inside the first sliding groove 31, and one end of the spring block 32 is movably connected to a fixing hole 33, and the fixing hole 33 is opened inside the connecting block 22.

[0041] The first sliding groove 31 is opened at the center of the top of the supporting seat 11. The number of the spring blocks 32 and the fixing holes 33 is two. The two fixing holes 33 are respectively opened inside the two connecting blocks 22. The two spring blocks 32 are L-shaped, and the front surface is an inclined surface. A slider is fixedly connected to the bottom, and a spring is fixedly connected to the surface of the slider and is movably embedded inside the first sliding groove 31. Thus, in the natural state, the elastic force of the spring makes one end of the spring block 32 located outside the connecting sleeve 12.

[0042] The pushing component 4 includes a pushing block 41, the pushing block 41 is movably connected to the surface of the spring block 32, a rotating threaded rod 42 is threadedly connected to the surface of the pushing block 41, and the rotating threaded rod 42 is movably installed inside the top of the supporting seat 11.

[0043] The pushing block 41 is conical in shape, and a threaded block is fixedly connected to the bottom. A groove is formed at the top of the support base 11 near the front end. The rotating threaded rod 42 is rotatably installed inside the groove. The threaded block at the bottom of the pushing block 41 is threadedly sleeved on the outer surface of the rotating threaded rod 42. Thus, rotating the rotating threaded rod 42 can drive the pushing block 41 towards the rear end. The surfaces at both ends of the pushing block 41 respectively push the two spring blocks 32 to slide towards each other into the fixing holes 33, thereby realizing the fixation of the arc-shaped block 21.

[0044] The sliding assembly 5 includes a support frame 51. The support frame 51 is fixedly connected to the top of the support base 11. A second sliding groove 52 is formed on the surface of the support frame 51. A sliding block 53 is movably connected inside the second sliding groove 52.

[0045] The support frame 51 is a plate with four rods fixedly connected to the bottom. The bottoms of the four rods are fixedly connected to the top of the support base 11. The second sliding groove 52 is formed on the surface of the plate. The sliding block 53 is in an I shape and is movably embedded inside the second sliding groove 52 and can slide left and right. And plates are fixedly connected to both the left and right ends of the bottom.

[0046] The up-and-down moving assembly 6 includes a reset spring slide rod 61. The reset spring slide rod 61 is fixedly installed at both ends of the bottom of the sliding block 53. A sliding plate 62 is movably connected to the outer surface of the reset spring slide rod 61. A pressing rod 63 is fixedly connected to the top of the sliding plate 62.

[0047] The number of the reset spring slide rods 61 is two, which is composed of a rod with a spring movably sleeved on the outer surface. The two rods are fixedly installed inside the two plates at the bottom of the sliding block 53. The left and right ends of the sliding plate 62 are respectively movably sleeved on the outer surfaces of the two rods. The pressing rod 63 is fixedly connected to the top of the sliding plate 62 through the top of the sliding block 53. Thus, the sliding plate 62 can be driven to move downward by pressing the pressing rod 63.

[0048] The clamping assembly 7 includes a reverse-threaded rod 71. The reverse-threaded rod 71 is movably installed inside the bottom of the sliding plate 62. A clamping plate 72 is threadedly connected to the outer surface of the reverse-threaded rod 71.

[0049] A groove is formed at the bottom of the sliding plate 62. The reverse-threaded rod 71 is rotatably installed inside the groove and is divided into two opposite threaded ends. The number of the clamping plates 72 is two. Each is a plate with a threaded block fixedly connected to the top. The two threaded blocks are respectively threadedly sleeved on the outer surfaces of the two threaded sections of the reverse-threaded rod 71. Thus, by rotating the reverse-threaded rod 71, the relative sliding of the two clamping plates 72 can be realized, thereby clamping and fixing the carbon brush.

[0050] The working principle of a carbon brush grinding tool for a generator provided by the present utility model is as follows:

[0051] First, select the corresponding grinding assembly 2 according to the model of the carbon brush to be processed. Then, insert the two arc-shaped blocks 21 into the two connecting sleeves 12. Next, rotate the threaded rod 42 so that the pushing block 41 moves towards the spring block 32 and pushes the two spring blocks 32 to gradually slide into the fixing holes 33 at both ends, thereby fixing the connecting block 22 inside the connecting sleeve 12 and fixing the arc-shaped block 21 on the top of the support base 11. Then, place the carbon brush between the two clamping plates 72, rotate the reverse-threaded rod 71 to drive the two clamping plates 72 to slide relative to each other until the carbon brush is clamped and fixed. Finally, press down the pressing rod 63 to drive the sliding plate 62 to move downward until the carbon brush is connected to the surface of the top of the arc-shaped block 21. Then, push the pressing rod 63 left and right, and the carbon brush rubs on the surface of the arc-shaped block 21, thereby realizing the grinding of the carbon brush.

[0052] Compared with the related art, a generator carbon brush grinding tool provided by the present utility model has the following

[0053] Beneficial effects:

[0054] The present utility model provides a generator carbon brush grinding tool. While the clamping assembly 7 can clamp the carbon brush block, the carbon brush can be connected to the surface of the grinding assembly 2 by moving the up-and-down movement assembly 6. Pulling the up-and-down movement assembly 6 left and right can realize the grinding of the carbon brush. Moreover, the grinding assembly 2 can be replaced according to the radian of the slip ring, and the fixing assembly 3 can be adjusted by the pushing assembly 4 to fix the grinding assembly 2. It can grind carbon brushes of different models, and is convenient to operate, increasing the accuracy of grinding.

[0055] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A carbon brush grinding tool for a generator, characterized in that, Comprising: A support component, the support component includes a support base, and a connecting sleeve is fixedly installed on the top of the support base; A grinding component, the grinding component is arranged on the top of the support base, the grinding component includes an arc-shaped block, the arc-shaped block is fixedly installed on the top of the support base, a connecting block is fixedly connected to the bottom of the arc-shaped block, and the connecting block is movably embedded in the inside of the connecting sleeve; A fixing component, the fixing component is arranged on the surface of the support base; A pushing component, the pushing component is arranged on the surface of the support base; A sliding component, the sliding component is arranged on the top of the support base; An up-and-down moving component, the up-and-down moving component is arranged on the surface of the sliding component; A clamping component, the clamping component is arranged on the surface of the up-and-down moving component.

2. The abrasive tool for generator carbon brushes according to claim 1, characterized in that, The fixing component includes a first sliding groove, the first sliding groove is opened on the surface of the top of the support base, a spring block is movably connected inside the first sliding groove, one end of the spring block is movably connected to a fixing hole, and the fixing hole is opened inside the connecting block.

3. The abrasive tool for generator carbon brushes according to claim 2, characterized in that, The pushing component includes a pushing block, the pushing block is movably connected to the surface of the spring block, a rotating threaded rod is threadedly connected to the surface of the pushing block, and the rotating threaded rod is movably installed inside the top of the support base.

4. A carbon brush grinding tool for a generator according to claim 3, characterized in that, The sliding component includes a support frame, the support frame is fixedly connected to the top of the support base, a second sliding groove is opened on the surface of the support frame, and a sliding block is movably connected inside the second sliding groove.

5. A carbon brush grinding tool for a generator according to claim 4, characterized in that, The up-and-down moving component includes a reset spring slide rod, the reset spring slide rod is fixedly installed at both ends of the bottom of the sliding block, a sliding plate is movably connected to the outer surface of the reset spring slide rod, and a pressing rod is fixedly connected to the top of the sliding plate.

6. A carbon brush grinding tool for a generator according to claim 5, characterized in that, The clamping component includes a reverse-threaded rod, the reverse-threaded rod is movably installed inside the bottom of the sliding plate, and a clamping plate is threadedly connected to the outer surface of the reverse-threaded rod.

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