CN104009357A - Rolling-carbon-brush device - Google Patents

Abstract

Because a rolling carbon brush is in linear contact with a wire and the rolling carbon brush is in linear contact with pin rollers, and the pin rollers are in linear contact with a bracket, the friction is reduced significantly and thus the operating speed of the rolling carbon brush can be improved. A press spring is arranged beneath the bracket so that a vibration resistance effect is achieved and at the same time, the two end faces of the rolling carbon brush are provided with the pin rollers, a friction reduction effect is achieved and the energization reliability of the rolling carbon brush is improved significantly.

Description

Rolling carbon brush configuration

The present invention is the rolling carbon brush configuration designing for improving carbon brush powering-on function

It is plane contact that general carbon brush contacts with wire, and wearing and tearing are large, and speed is influenced, for improving the shortcoming of carbon brush plane contact, and design rolling carbon brush configuration.

It is plane contact that general carbon brush contacts with wire, and plane contact one is that wearing and tearing are large, the 2nd, and speed is influenced, particularly there is the carbon brush of certain speed requirement, or the carbon brush of working under certain vibration environment, plane carbon brush is just difficult to meet the demands, thereby design rolling carbon brush configuration.

Feature of the present invention is to implement like this:

The axle two ends of rolling carbon brush and many little roller-contacts, be bracket below roller, stage clip is housed below bracket groove, can make to roll carbon brush under the environment of certain vibrations with wire good contact, because contact-making surface is little, frictional force is little, and rolling carbon brush speed can improve, in the axle both ends of the surface of rolling carbon brush, roller is also housed, so that rolling carbon brush can better move up and down, bracket both sides are downleads, though rolling carbon brush contact area is little, current density is large, but the quantity that can increase rolling carbon brush is overcome.

Now be illustrated in conjunction with figure:

(Fig. 1) rolling carbon brush configuration cutaway view.

(Fig. 2) rolling carbon brush configuration vertical view.

(Fig. 3) A-A cutaway view.

(Fig. 4) B-B cutaway view.

The numbering of (Fig. 1-Fig. 4):

1 base, 2 stage clips, 3 downleads, 4 rollers, 5 rollers, 6 cover plates, 7 rolling carbon brush, 8 brackets.

Rolling carbon brush configuration meets the demands like this:

Because rolling carbon brush and gauze are that line contacts, rolling carbon brush is that line contacts with roller again, roller is that line contacts with bracket again, therefore frictional force greatly reduces, thereby can improve the carbon brush speed of service, has stage clip below bracket, it has been certain against shock effect, the carbon brush both ends of the surface of simultaneously rolling are equipped with again roller, make both ends of the surface in the time moving up and down, play minimizing rubbing action, and the carbon brush configuration that therefore rolls energising reliability improves a lot.

Claims (1)

1. rolling carbon brush configuration, its feature is as follows:

The axle two ends of rolling carbon brush (7) contact with many little rollers (4), roller (4) is bracket (8) below, below bracket (8) groove, stage clip (2) is housed, can make to roll carbon brush (7) under the environment of certain vibrations with wire good contact, rolling carbon brush (7) two ends be equipped with roller (5) can make to roll carbon brush (7) while moving up and down frictional force greatly reduce, further improve the reliability of rolling carbon brush (7).