JPH04108366U - Rotating electric machine with rolling stator - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the sealing of the protective cover and eliminate frictional parts in a stator with a rolling inner frame. [Structure] By attaching the protective cover 3 to the inner frame 2 that rolls against the outer frame 1 of the stator, the terminal and the protective cover are made to roll integrally.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention eliminates the rolling stator required for parallel operation of motor generators, etc. The present invention relates to a rotating electrical machine having

0002

[Conventional technology]

For example, in two or more sets of motor generators operated in parallel, phasing It has a structure that rotates the stator of a motor or generator. That is, for example In parallel operation of a synchronous frequency converter, either the motor or the generator must be operated for phasing. One stator is rotatably moved in the circumferential direction. In the conventional structure shown in Fig. 2, the outer frame 1, which also serves as a side cover, is the base. , and place the inner frame 2 on the rollers placed inside the outer frame. It is designed so that it can roll, and in order to reduce the frictional resistance during rolling, an external flexure is used to reduce the frictional resistance. The inner frame 2 installed in the frame 1 and placed on a roller is connected to a manual or electric feed screw. It is designed to rotate more. In this case, the output terminal 4 attached to the inner frame 2 is attached to the outer frame 1. It is pulled out to the outside through the notch 1a (elongated hole) formed. In the above configuration, the internal When frame 2 rolls, terminal 4 also moves with it, so when it rolls, means that the terminal 4 passing through it moves along the notch (elongated hole) formed in the outer frame 1. become.

0003

[Problem that the idea aims to solve]

To prevent dust from entering due to air flow from the gap between terminal 4 and the notch. , it is necessary to seal between the terminal 4 and the notch, but this seal does not fit the terminal 4 ( Since it is a seal between the movable part) and the notch (fixed part), if it is to be completely sealed, During rolling, the frictional resistance between the movable part and the fixed part increases, and the seal wears out. Problems also arise. This invention is a rolling type fixing device that can seal without friction and without creating an air flow with the outside air. The purpose of the present invention is to provide a rotating electrical machine with a rotary motor.

0004

[Means to solve the problem]

The present invention achieves the above-mentioned object, and the stator consists of an outer frame and an inner frame. In a rotating electrical machine with a structure in which the inner frame rolls against the frame, The feature is that a protective cover through which the terminal passes is attached to the side of the inner frame. Ru.

[0005]

[Effect]

The protective cover that the terminal passes through will roll together with the inner frame, and the terminal and Since both the protective cover and the protective cover are movable parts, a cutout for the output terminal as in the conventional case is provided. It can be sealed without needing to be sealed.

[0006]

【Example】

An embodiment of the present invention will now be described with reference to FIG. In Figure 1, 1 is the outer frame. frame, 2 is the inner frame that rolls against the outer frame, 3 is the protective cover, 4 is the end Child 5 is a bearing. In Fig. 1, the protective cover 3 is attached to the side of the inner frame 2. The terminal 4, which is drawn out from the inner frame 2, has a shape that covers the rotor together with the inner frame 2. It passes through the protective cover 3 and is led out to the outside.

[0007] In this case, the outer frame 1 is only involved in supporting and rolling the inner frame 2, etc. The protective cover 3 will roll together with the inner frame 2, so the protective cover 3 will roll together with the inner frame 2. It is also possible to provide only a hole for passing the terminal 4 through the -3 and seal it after the terminal 4 passes through. There are no problems. Furthermore, since the terminal 4 and the protective cover 3 roll together, no friction is generated. I can't. Note that the protective cover 3 on the side from which the terminal 4 is not led out is a rolling inner frame. Terminal 4 does not come out even when installed on outer frame 1. So there is no problem.

[0008]

[Effect of the idea]

As explained above, according to the present invention, the protective cover can be attached to the inner frame. Since there is no relative movement between the terminal and the protective cover, a seal can be created. There is no air flow and no increase in frictional resistance.

[Brief explanation of drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

FIG. 2 is a configuration diagram of a conventional example.

[Explanation of symbols]

1 Outer frame 2 Inner frame 3 Protective cover 4 Output terminal

Claims (1)

[Scope of utility model registration request] Claim 1: A rotating electric machine in which the stator is composed of an outer frame and an inner frame, and the inner frame rolls against the outer frame, characterized in that a protective cover through which terminals pass is attached to the side surface of the inner frame. A rotating electrical machine with a rolling stator.