A ventilated adjustable hydraulic turbine generator rotor bracket

A hydroelectric generator and rotor bracket technology, applied in the direction of magnetic circuit rotating parts, magnetic circuit shape/style/structure, etc., can solve the problems of poor ventilation regulation, reduce ventilation loss, reduce inlet wind pressure, and shorten ventilation path effect

CN105914928BActive Publication Date: 2018-05-25DONGFANG ELECTRIC MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-05-25

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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.
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Description

technical field

[0001] The invention relates to a vertical hydraulic generator set, in particular to a novel rotor support structure with inner and outer central bodies, low ventilation loss, and adjustable air volume and air pressure. Background technique

[0002] The rotor bracket is the key part of the torque transmission of the rotating part of the hydro-generator, and it is the intermediate part connecting the yoke and the generator shaft. In the static state, it must bear the thermal keying stress; when the generator is running normally, the rotor bracket must bear the electromagnetic torque, the gravity 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 bracket has the function of a fan, and most of the wind pressure head of the generator set is generated by the rotor bracket, which is a key component for the adjustment of air volume, wind pressure, wind speed and v...

Examples

Embodiment Construction

[0022] A ventilated adjustable hydroelectric generator rotor bracket, such as Figure 5 with Image 6 As shown, it includes: the lower flange surface of the inner center body 1, the windshield inner ring plate 2, the outer ring plate 3, the ring plate 4, the straight web 5, the middle ring plate 6, the large vertical rib 7, and the air volume on-site adjustment plate 8 , inclined web 9, outer center body cylinder 10, outer center body rib 11, inner center body cylinder 12, inner center body rib 13, inner center body upper flange surface 14, etc.

[0023] The rotor bracket includes inner and outer center bodies, and the inner center body is formed by welding the lower flange surface 1 of the inner center body, the cylinder 12 of the inner center body, the rib plate 13 of the inner center body and the upper flange surface 14 of the inner center body. become. The function of the inner central body is mainly to connect the upper end shaft of the generator and the main shaft of t...