Ventilation adjustable hydraulic generator rotor bracket

Abstract

The invention discloses a ventilation adjustable hydraulic generator rotor bracket. The ventilation adjustable hydraulic generator rotor bracket comprises an inner central body and an outer central body; the inner central body is composed of a lower flange surface of the inner central body, a cylinder of the inner central body, a rib plate of the inner central body and an upper flange surface of the inner central body in an installing and welding manner; the outer central body is composed of an inner wind-blocking annular plate, a cylinder of the outer central body and a rib plate of the outer central body in an installing and welding manner; the inner wind-blocking annular plate, the lower flange surface of the inner central body and the upper flange surface of the inner central body are in splice welding; an inclined web plate and a straight web plate are arranged outside the cylinder of the outer central body; an outer annular plate and a middle annular plate are welded on the straight web plate; the parts of the outer annular plate and the middle annular plate extending out of the straight web plate are welded on the inclined web plate; and the outer annular plate, the straight web plate and the middle annular plate are welded on a large vertical rib. The ventilation adjustable hydraulic generator rotor bracket disclosed by the invention has the active effects that: the problem that the traditional structure is poor in ventilation adjustability can be overcome; the ventilation loss of a generator can be reduced; the efficiency of the generator is increased; adverse effects on oil mist pollution are reduced; and simultaneously, mechanical strength requirements of the structure are satisfied.

Description

Technical field [0001] The invention relates to a vertical hydroelectric generator set, in particular to a novel rotor support structure with inner and outer central bodies, low ventilation loss, and adjustable air volume and pressure. Background technique [0002] The rotor bracket is a key component for torque transmission in the rotating part of the hydro-generator, and is an intermediate component connecting the yoke and the generator shaft. In the static state, it must bear the hot keying stress; when the generator is running normally, the rotor support must bear the electromagnetic torque, the gravitational moment of the magnetic pole and the yoke, the centrifugal force generated by its own rotation, and the residual keying force. On the other hand, the rotor support has the function of a fan, and most of the wind pressure head of the generator set is generated by the rotor support, which is a key component for the adjustment of air volume, wind pressure, wind speed and ven...

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Problems solved by technology

[0006] In order to overcome the shortcomings of the prior art, the present invention provides a ventilated adjustable hydraulic generator rotor bracket, which overcomes the problem of poor ventilation regulation in the traditional structure, can reduce the ventilation loss of the generator, improve the efficiency of the generator, and reduce the The adverse effects of oil mist pollution, while meeting the mechanical strength requirements of the structure

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