Title:
【発明の名称】リング状積層ステータコアの予備引張装置
Document Type and Number:
Japanese Patent JP2690318
Kind Code:
B2
Abstract:
This invention refers to a device for the pretautening of the stator core laminations (20) of a large electric generator. A suitable number of anchoring devices (40) according to the invention is positioned between the shell (10) and the stator core laminations (20), evenly distributed in height and around the circumference. Each anchoring device (40) by means of which said pretautening is achieved, has a baseplate (41) secured to the shell (10) for example by welding, and a bracket (51) equipped with tong-like arms (52) by means of which it is able to grip the fins (32) made on tension rod keys (30) having a dovetail-shaped rib (31) capable of being inserted into a corresponding seat (21) formed in the extrados of the stator core laminations (20). Pre-tautening of the stator pack is achieved by exercising centrifugal traction on the brackets (51) and securing them by means of screws (57) arranged between the baseplate (41) and the bracket (51) (figure 3).
Inventors:
Orlando Panarese
Marco Sirei
Marco Sirei
Application Number:
JP6372588A
Publication Date:
December 10, 1997
Filing Date:
March 18, 1988
Export Citation:
Assignee:
Ansaldo Components Sochieta Per Azioni
International Classes:
H02K1/18; H02K15/02; (IPC1-7): H02K1/18
Domestic Patent References:
| JP531802A | ||||
| JP5381901A | ||||
| JP6028462U | ||||
| JP447550B2 |
Attorney, Agent or Firm:
Aoki Akira (4 outside)