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Mounting aids for brush-commutated motors

A technology of a brush device and an installation device is applied in the field of the installation of the motor rectifier and the installation of the motor, and can solve the problems of increasing the structural cost and prolonging the installation time of the motor.

Active Publication Date: 2015-08-05
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A separate unlocking device is required for this, and this separate unlocking device requires increased construction costs when installing this type of motor
Also, this extra process of unlocking the holding mechanism extends the installation time of the motor

Method used

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  • Mounting aids for brush-commutated motors
  • Mounting aids for brush-commutated motors
  • Mounting aids for brush-commutated motors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] figure 1 A schematic cross-sectional view of the electric machine 1 before the step of inserting the brush arrangement 2 is shown. The electric machine 1 comprises a housing with a pole piece 3 and a first endshield 4 . In this example, the first bearing end shield 4 and the pole piece 3 are designed in one piece and can be manufactured together.

[0029] A shaft bearing is arranged in the first end shield 4 . The first end of the rotor shaft 5 is held in said shaft bearing. The rotor shaft 5 holds a rotor 6 with an armature winding, which is supplied with electrical energy via a rectifier. The rectifier comprises a plate support 7 which is circular and arranged concentrically on the rotor shaft 5 . The lamination holder 7 holds, in the circumferential direction, the laminations 8 arranged around the lamination holder 7 , which are electrically conductive and insulated from each other. Each lamination 8 is connected to a connection of a (not shown) rotor winding of...

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PUM

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Abstract

The invention relates to a mounting device for a brush assembly (2) of an electric motor (1), comprising: a brush electrode (14) which is provided with a first detent element (18), a detent device (15) which is connected to the brush assembly (2) and has a second detent element (16) and a release element (19), wherein the second detent element (16) cooperates with the first detent element (18) such that the brush electrode (14) is held in a mounting position in particular against a spring force, wherein a pole well of the electric motor (1) is designed such that the release element (19) is actuated when the brush assembly (2) is inserted into the pole well in order to release the detent device (15), so that the brush electrode (14) is freed.

Description

technical field [0001] This invention relates to brush commutated electric machines and their manufacture. Furthermore, the invention also relates to a device and a method for mounting an electric motor, in particular for the mounting of a rectifier for an electric motor. Background technique [0002] In mechanically commutated electrical machines, the electrical contacting of the armature winding of the rotor is usually done via a rectifier. The rectifier comprises a brush arrangement each having one or more brush electrodes. The brush electrodes are usually designed as carbon brushes. The brush electrodes are placed on the laminations mounted on the rotor and contact these laminations by this measure. For this purpose, the brush electrodes are pressed onto the laminations of the lamination wheel and slide over these laminations during the movement of the rotor so that, depending on the position of the rotor, different laminations are contacted. For reliable commutation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K5/14
CPCH02K5/148H02K2205/06
Inventor C.鲍尔
Owner ROBERT BOSCH GMBH