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Combined brush holder assembly

A combined, brush-holding technology, applied in the direction of electric components, electrical components, casings/covers/supports, etc., can solve the problem that the combination of different numbers of brush boxes cannot be realized, the carbon brushes cannot be well fixed, and the brushes cannot be reliable. and other problems, to achieve the effect of eliminating hidden safety hazards, improving reliability, and convenient disassembly and installation.

Active Publication Date: 2021-03-12
DONGFANG ELECTRIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The excitation combined brush holder for generators or motors disclosed in this patent document can solve the problem that the carbon brush fixing device cannot fix the carbon brushes well, easily damage the collector ring or block the carbon brushes in the running state.
However, the combination of different numbers of brush boxes cannot be realized, and the movement of the brushes cannot be reliably locked, resulting in potential safety hazards in the process of inserting and pulling out the brush holders

Method used

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  • Combined brush holder assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] see figure 1 , a combined brush holder assembly, including a handle 1, a wedge-shaped connecting plate 2, a brush 3 and a brush box 4, the brush 3 is slidably connected in the brush box 4, and also includes an insulating sleeve 5, a transition joint 6 and a connecting piece 7. One end of the handle 1 is embedded in the insulating sleeve 5, and an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, and the insulating baffle 8 is fixed on the insulating sleeve 5, so that The transition joint 6 runs through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is installed on the handle 1, and the shaft 9 runs through the Insulating sleeve 5, transition joint 6 and wedge-shaped connecting plate 2, disc spring 10 is installed on the shaft 9, one end of the disc spring 10 is loc...

Embodiment 2

[0033] see figure 1, a combined brush holder assembly, including a handle 1, a wedge-shaped connecting plate 2, a brush 3 and a brush box 4, the brush 3 is slidably connected in the brush box 4, and also includes an insulating sleeve 5, a transition joint 6 and a connecting piece 7. One end of the handle 1 is embedded in the insulating sleeve 5, and an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, and the insulating baffle 8 is fixed on the insulating sleeve 5, so that The transition joint 6 runs through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is installed on the handle 1, and the shaft 9 runs through the Insulating sleeve 5, transition joint 6 and wedge-shaped connecting plate 2, disc spring 10 is installed on the shaft 9, one end of the disc spring 10 is loca...

Embodiment 3

[0037] see figure 1 , a combined brush holder assembly, including a handle 1, a wedge-shaped connecting plate 2, a brush 3 and a brush box 4, the brush 3 is slidably connected in the brush box 4, and also includes an insulating sleeve 5, a transition joint 6 and a connecting piece 7. One end of the handle 1 is embedded in the insulating sleeve 5, and an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, and the insulating baffle 8 is fixed on the insulating sleeve 5, so that The transition joint 6 runs through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is installed on the handle 1, and the shaft 9 runs through the Insulating sleeve 5, transition joint 6 and wedge-shaped connecting plate 2, disc spring 10 is installed on the shaft 9, one end of the disc spring 10 is loc...

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Abstract

The invention discloses a combined brush holder assembly, which belongs to the technical field of generators, comprises a handle, a wedge-shaped connecting plate, an electric brush and a brush box, and is characterized by further comprising an insulating sleeve, a transition joint and a connecting piece, one end of the handle is embedded into the insulating sleeve, an insulating baffle is arrangedbetween the insulating sleeve and the wedge-shaped connecting plate, and the transition joint penetrates through the insulating baffle; one end of the transition joint is embedded into the insulatingsleeve, the other end of the transition joint is embedded into the wedge-shaped connecting plate, a shaft is installed on the handle, a disc spring is installed on the shaft, one end of the disc spring is located in the insulating sleeve, the other end of the disc spring is located in the transition joint, one end of the connecting piece is detachably connected with the wedge-shaped connecting plate, and the other end of the connecting piece is connected with a fixing plate. The brush box is connected to the fixing plate, and the electric brush is fixedly connected with a limiting plate. Thebrush holder can reliably lock the movement of the brush, improves the limiting reliability of the brush, eliminates the potential safety hazards in the operation process of the brush holder, and is high in applicability.

Description

technical field [0001] The invention relates to the technical field of generators, in particular to a combined brush holder assembly. Background technique [0002] The brush holder is composed of a wedge-shaped connecting plate, a brush box, a handle, a shaft, a constant force spring and a brush holding mechanism. in the brush box. When working, the brush moves in the brush box under the action of the constant force spring and keeps in contact with the collector ring. [0003] The brush box and wedge-shaped connecting plate of the multi-connected brush box are manufactured by casting process and then assembled. Due to the complex structure of the brush box, there are a large number of thin-walled structures and the wall thickness varies greatly. The mold structure is complex and the processing cycle is long. The wedge-shaped connecting plate and the brush box of the single-hole brush holder mostly adopt an integral casting structure, the mold structure is complex, and the ...

Claims

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Application Information

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IPC IPC(8): H02K5/14
CPCH02K5/145
Inventor 徐磊周春兰杜鹏宋宇陈增芬
Owner DONGFANG ELECTRIC MACHINERY