RU6287U1 - COLLECTOR DEVICE OF AC GENERATOR - Google Patents

Abstract

A collector device of an alternating current generator containing contact rings, one of which is fixed directly to the bracket, made in the form of a pin with an extension extending into the axial hole of the shaft, and the other is insulated from the bracket by an insulator, characterized in that the insulator is made in the form of a stepped sleeve, providing their ends axial alignment of the contact rings with brushes and the exact center distance between the contact rings.

Description

COLLECTOR DEVICE OF AC GENERATOR

The utility model relates to the field of electrical engineering, in particular, to collector devices of automobile alternating current generators.

Known collector device of an electric machine containing contact rings mounted on a shaft, without the use of an insulating sleeve (I). Insulation is applied to the shaft, or slip rings are simply glued onto the shaft.

The specified technical solution is characterized by sufficient complexity of the design and manufacturing technology.

. Simplification of the design and technology is achieved in another known collector device of an alternator, in which the bracket acts as a conductor of one of the contact rings (2), the collector device contains contact rings, one of which is fixed directly to the bracket, made in the form of a pin with extension entering into the axial hole of the shaft, and the other is isolated from the bracket by an insulator.

Odaako, in the described design of the collector device to ensure the axial alignment of the contact rings with the brushes and the exact center distance between the rings, calibers are used, which complicates the assembly technology of the device.

The inventive utility model solves the problem of ensuring the axial alignment of the contact rings with brushes and the center distance of the contact rings without the use of calibers.

fixed directly on the bracket, made in the form of a pin with elongation, ENTERING 1CIM into the axial hole of the shaft, and the other is isolated from the bracket by an insulator, but the last one is made in the form of a stepped sleeve providing axial alignment of the contacts (rings with brushes and exact center distance between slip rings.

In the implementation of the inventive utility model provides such a technical result, as a simplification of the manufacturing technology of the collector device.

The essence of the utility model is illustrated by the presented drawing, which shows a collector device with slip rings assembly - in section.

The collector device of the alternating current generator contains contact rings I and 2 located on the bracket 3, made in the form of a pin that fits into the axial hole 4 of the shaft 5. The bracket 3 has a hole A. On the opposite side of the bracket, an entry chamfer b is made, on the other - Chamfer 7 and end face B. The contact ring I is fixed directly to the bracket 3, which with the shaft 5 provides electrical contact between the ring I and the field winding (not shown). The contact ring 2 is electrically connected to the wire 8, which is mechanically held in the groove 9 of the ring 2. The insulating sleeve 10 has a stepped shape and isolates the contact ring 2 from the bracket 3 and shaft 5.

When assembling the collector device of the claimed design, the end face B of the insulating sleeve 10 through the end face G of the shaft 5 provides axial alignment of the contact ring 2 with the brush II, and the end face D of the insulating sleeve 10 ensures the axial alignment of the contact peg I with the brush 12i In this case, the exact center distance of the contact rings is guaranteed.

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Due to the presence of the chamfer 7 and End B on the bracket 3, the necessary tool force (not shown) is created, which presses the collector device into the shaft.

. In the proposed design of the collector device, the insulating sleeve performs two functions: isolates the contact ring from the bracket and shaft and provides axial alignment of the contact rings with brushes, guaranteeing an exact mekos distance of the contact ruts. At the same time, the structural strength is increased and the assembly technology is simplified, because there is no need to use calibers.

1. The patent of Germany No. 3121105, NOSH 39 / 08.1982.

2. UK patent No. 1547618, HOIR 39 / 34.1979 (prototype). Patents-analogues: Germany No. 2539091, USA 1 4105907, France No. 2323251.

- 3 Sources of information:

Authors: Patent and Invention Engineer -. A.V. GRAMANKIN. N. Ilyushchenko N. M. KUNEVSKS

Claims (1)

A collector device of an alternating current generator containing contact rings, one of which is fixed directly to the bracket, made in the form of a pin with an extension extending into the axial hole of the shaft, and the other is insulated from the bracket by an insulator, characterized in that the insulator is made in the form of a stepped sleeve, providing their ends axial alignment of the contact rings with brushes and the exact center distance between the contact rings.