E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/48 (2006.01) B66C 13/04 (2006.01) F16B 5/02 (2006.01)
Patent
CA 2134183
The disclosure involves a structural combination and a method for attaching a machine component such as a number of arc-shaped gear segments to a supporting segment mounting pad. As new, each gear segment is furnished with a number of openings, all of the same diameter. Initially, the mounting pad is free of openings and each gear segment is placed on the pad and used as a drilling template. After openings are drilled in the mounting pad, a number of such openings (but not all) are "opened up" by reaming and a bearing-fit bolt is inserted into the reamed openings. In repair, a new gear segment is placed at a position which spans two places formerly occupied by gear segments. Certain openings in the new segment are aligned with existing openings in the mounting pad (to receive clearance-fit bolts therethrough) and other segments openings are used to form new openings in the mounting pad.
Cette invention concerne un montage et la méthode correspondante de fixation d'un élément de machinerie, un ensemble de secteurs dentés par exemple, à une plateau support. En première pose, chaque secteur denté comporte une série d'ouvertures de même diamètre. Le plateau support ne comporte aucun trou à l'origine, les secteurs dentés servant de gabarit de perçage. Une fois le plateau support percé, certains des trous sont élargis par alésage pour recevoir un axe en ajustement serré. Lorsqu'il s'agit de remplacer les secteurs dentés, les nouvelles pièces sont décalées par rapport aux trous de fixation originaux de sorte que certains trous des nouveaux secteurs coïncident avec des trous existants du plateau support (qui reçoivent alors des axes en ajustement avec jeu), les autres trous des nouvelles pièces servant de gabarit de perçage de nouveaux trous dans le plateau support.
Harnischfeger Technologies Inc.
Ridout & Maybee Llp
LandOfFree
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