Brush holder capable of adjusting, limiting and locking carbon brush
By adjusting the limit locking design of the carbon brush holder, the problems of excessive resistance and uneven pressure distribution of the carbon brush in the brush box are solved, realizing flexible adjustment of the carbon brush and uniform pressure distribution, thereby improving the service life and safety of power equipment.
Patent Information
- Application Number
- CN202422658456.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The existing brush holder structure in the power industry causes excessive resistance to the carbon brush within the brush holder, resulting in uneven pressure distribution, which affects sliding friction and service life. It is also inconvenient and unsafe to adjust.
The carbon brush holder adopts an adjustable limit locking mechanism. The position of the carbon brush can be flexibly adjusted through the cooperation of the adjusting rod and the adjusting plate. The design of constant pressure spring coil and brush pressure plate ensures uniform pressure distribution. The structure is simple and has good conductivity.
It achieves flexible adjustment and uniform pressure distribution of carbon brushes, improves service life and safety, simplifies manufacturing process, and enhances conductivity.
Smart Images
Figure CN223567062U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the electric power industry equipment, especially relates to a kind of regulating limit locking carbon brush formula brush grip. BACKGROUND
[0002] Currently, the brush grip used in electric power industry is generally assembled and cooperated by dovetail triangular inclined surface of conducting frame and conducting block, and three groups of constant pressure spring coils are inserted in brush box.In use, when carbon brush is blocked too much in brush box, it cannot reach the required pressure, which causes uneven pressure distribution on the sliding ring by carbon brush, resulting in sliding friction, and carbon brush and brush grip are damaged by heat.In addition, carbon brush cannot be locked during adjustment, and it needs to hold brush grip handle, which is laborious and unsafe, and affects the service life of carbon brush. SUMMARY
[0003] The utility model aims at overcoming the above technical deficiencies, and provides a kind of regulating limit locking carbon brush formula brush grip with compact structure, reliable use function and good conducting effect.
[0004] The utility model discloses a kind of regulating limit locking carbon brush formula brush grips, including handle, handle insulating sleeve, shaft, baffle, brush grip seat, constant pressure spring coil, brush box, brush plate, its features are, the upper end of shaft and handle fixed connection, handle insulating sleeve is set on the upper and lower periphery of shaft, square baffle is set on the upper surface of the intermediate boss of handle insulating sleeve, lower, the periphery of shaft, brush grip body, round hole is set in baffle, adjusting plate seat is set in the round hole of baffle, adjusting plate slot is set on adjusting plate seat, adjusting plate of unequal radius straight angle sector is fixedly connected on the shaft in adjusting plate slot, adjusting rod sliding slot with the same angle and arc shape as adjusting plate is set at the outer circle hole edge of adjusting plate, adjusting rod with the top circular and the lower square is slidably matched in adjusting rod sliding slot, adjusting rod upper end is 7-9mm higher than adjusting plate, the square section of adjusting rod is correspondingly clamped in adjusting rod slot in the middle of the front of brush grip body, brush box is fixed in the front of brush grip body with fastening bolt, four constant pressure spring insertion slots are set below brush box, constant pressure spring coil is loaded in constant pressure spring insertion slot, constant pressure spring coil upper end is fixed on the upper end of brush box with constant pressure spring fixing bolt, one end of spring seat is fixed below corresponding each constant pressure spring coil, the other end of spring seat is fixedly connected with brush plate, spring is loaded on the spring seat between brush plate and brush box, the lower end of shaft is fixedly connected with the block, the block is slidably matched with the block sliding arc concave surface below the block sliding seat, the block sliding seat is threadedly connected on the periphery of inner shaft of metal sleeve, the periphery of metal sleeve is fixedly connected with the block sliding seat with screw.
[0005] The utility model discloses a beneficial effect is: adjusting the position locking carbon brush formula brush handle adopts adjusting lever and adjusting board cooperation control carbon brush, can effectively flexibly adjust the working position of carbon brush, working condition, make the function of brush handle more reliable. Brush handle main part and conducting frame are integral, make its structure simple, and manufacturing process is not complicated, and the conducting effect is good, and convenient and flexible are used. BRIEF DESCRIPTION OF DRAWINGS
[0006] The following will be combined with the drawing to be embodied specifically.
[0007] Figure 1 It is the structure main view of adjusting the position locking carbon brush formula brush handle.
[0008] Figure 2 It is Figure 1 Plan view.
[0009] Figure 3 It is Figure 1 Left side view.
[0010] Figure 4 It is Figure 1 Partial rear view.
[0011] In the drawing: 1-hand handle;2-hand handle insulating sleeve;3-shaft;3-1-pull block;4-baffle;4-1-adjusting plate seat;5-adjusting lever;6-adjusting plate;6-1-adjusting lever sliding slot;7-brush handle body;7-1-adjusting lever slot;7-2-tumulus;8-brush box;8-1-constant pressure spring insertion slot;9-constant pressure spring fixing bolt;10-constant pressure spring roll;11-wiring post;12-spring;13-spring seat;14-pressing brush plate;15-pull block sliding seat;15-1-pull block sliding arc concave surface;16-outer wiring plate;17-baffle;18-metal shaft sleeve;19-fastening bolt. DETAILED DESCRIPTION
[0012] Embodiment, refer to the attached Figures 1-4, the square baffle 4 is fixed on the boss 7-2 of the brush holder body 7 by a screw, a circular hole is arranged on the baffle 4, an adjusting plate seat 4-1 is arranged in the circular hole, an adjusting plate slot is arranged on the adjusting plate seat 4-1, an adjusting plate 6 with a straight angle sector of different radii is fixedly connected to the shaft 3 in the adjusting plate slot, an adjusting rod sliding slot 6-1 with the same angle and arc shape is arranged on the outer arc edge of the adjusting plate 6. The adjusting rod 5 with the upper circle and the lower square is slidably arranged in the adjusting rod sliding slot 6-1, the upper end of the adjusting rod 5 is 7-8mm higher than the adjusting plate 6, and the square section of the adjusting rod 5 is arranged in the adjusting rod slot 7-1 in the middle of the front face of the brush holder body 7. The lower end of the adjusting rod 5 is fixed to the middle of the outer face of the pressing brush plate 14. The brush box 8 is fixed to the front face of the brush holder body 7 by a fastening bolt 19, four constant pressure spring insertion grooves 8-1 are arranged on the lower face of the front face of the brush box 8, four constant pressure spring coils 10 are arranged in the constant pressure spring insertion grooves 8-1, and the upper end of the constant pressure spring coil 10 is fixed to the upper face of the brush box 8 by a constant pressure spring fixing bolt 9. The pressing brush plate 14 is fixedly connected to the spring seat 13 at one end, the spring seat 13 is riveted and fixed to the pressing brush plate 14 at the other end, the spring 12 is arranged on the spring seat 13 between the pressing brush plate 14 and the brush box 8, the spring seat 13 is arranged below the constant pressure spring insertion grooves 8-1 on the lower face of the four brush boxes 8. The shifting block 3-1 is fixedly connected to the lower face of the shaft 3, and the shifting block 3-1 is slidably arranged in the shifting block sliding arc concave surface 15-1 of the shifting block sliding seat 15. The shifting block sliding seat 15 is threadedly connected to the outer periphery of the shaft 3 in the metal shaft sleeve 18 below the shaft 3, the metal shaft sleeve 18 is fixed to the lower end face of the boss 7-2 of the brush holder body 7, and the outer periphery of the metal shaft sleeve 18 is fixedly connected to the shifting block sliding seat 15 by a screw. The handle insulating shaft sleeve 2 is arranged on the outer periphery of the shaft 3 above the baffle 4, and the handle 1 is fixedly connected to the top end of the shaft 3. The external connecting plate 16 is fixed to the rear boss of the brush holder body 7 by a screw, the baffle 17 is arranged in the fastening bolt 19 between the brush box 8 and the brush holder body 7, and the four connecting columns 11 are arranged in the four recesses on the front face of the brush holder body 7.
[0013] The working principle of the utility model is: the adjusting plate 6 of the adjusting limiting locking carbon brush type brush holder is fixedly connected with the shaft 3, the arc-shaped adjusting plate 6 is driven to rotate when the shaft 3 rotates, the adjusting plate 6 is limited by the adjusting rod sliding slot 6-1 on the arc-shaped adjusting plate 6 and the adjusting rod 5 fixed on the brush holder body 7, the shifting block 3-1 at the lower end of the shaft 3 is slid in the shifting block sliding arc concave surface 15-1 on the shifting block sliding seat 15, and the pressing brush plate 14 is pressed tightly. The adjusting pressing force is uniform, four constant pressure spring coils 10 are arranged in the four constant pressure spring insertion grooves 8-1 in the brush box 8, the electric conduction area is large, the pressure is uniform under the condition of high current, and the service life of the carbon brush is increased.
Claims
1. A kind of regulating limit locking carbon brush formula brush holder, including handle (1), handle insulation sleeve (2), shaft (3), baffle (4), brush holder seat, constant pressure spring roll (10), brush box (8), brush plate (14), its characterized in that, the upper end of shaft (3) and handle (1) fixed connection, handle insulation sleeve (2) is set in the upper and lower periphery of shaft (3), square baffle (4) is set in the upper surface of the intermediate boss of brush holder body (7) below handle insulation sleeve (2), the periphery of shaft (3), the circular hole in square baffle (4) is equipped with adjusting plate seat (4-1), adjusting plate slot is set on adjusting plate seat (4-1), the adjusting plate (6) of unequal radius right-angle sector is fixedly connected on the shaft (3) in adjusting plate slot, the same angle arc-shaped adjusting rod sliding slot (6-1) is set on the outer circular hole edge of adjusting plate (6), the adjusting rod (5) with the top circular and the bottom square is slidably matched in adjusting rod sliding slot (6-1), the upper end of adjusting rod (5) is 7~9mm higher than adjusting plate (6), the square section of adjusting rod (5) is correspondingly clamped in the adjusting rod slot (7-1) in the front middle of brush holder body (7), the lower end of adjusting rod (5) is fixed in the middle of brush plate (14), brush box (8) is fixed in the front of brush holder body (7) with fastening bolt (19), the lower end of shaft (3) is fixedly connected with the knob (3-1), the knob (3-1) is slidably matched with the knob sliding arc-shaped concave surface (15-1) below knob sliding seat (15), knob sliding seat (15) is threadedly connected in the periphery of shaft (3) in metal sleeve (18), metal sleeve (18) is fixedly connected with knob sliding seat (15) with screw in the periphery.
2. The adjustable stop and lock carbon brush brush holder of claim 1, wherein, Four constant pressure spring insertion slots (8-1) are arranged below the brush box (8), and the constant pressure spring roll (10) is arranged in the constant pressure spring insertion slot (8-1), the upper end of the constant pressure spring roll (10) is fixed on the upper end of the brush box (8) by the constant pressure spring fixing bolt (9), one end of the spring seat (13) is fixed below each constant pressure spring roll (10), the other end of the spring seat (13) is fixedly connected with the brush plate (14), and the spring (12) is arranged on the spring seat (13) between the brush plate (14) and the brush box (8).