Tete de puits montee coulissante sur galets

Abstract

<P>Tête de puits destinée à un puits, comportant une enveloppe dont la cavité fermée à la façon d'une chambre contient au moins les appareils hydrauliques, l'enveloppe pouvant se déplacer sur des éléments coulissants, par exemples glissières ou rails et pouvant être arrêtée de façon étanche en position active relativement au sol ou à la fondation selon le brevet principal. L'enveloppe peut être verrouillée en position fermée relativement à la paroi du compartiment de commande de la tête de puits, par exemple par manipulation d'un levier. </P><P>Application : têtes de puits en général.</P>
The housing, containing the hydraulic equipment, of the well top is displaceably mounted on rails. In its operating position, it is sealed and locked with respect to the foundation. The rails are provided with running surfaces which, in interaction with rollers, force the housing to be raised and thus break the seal. In the operating position, the wall (9) of the well-chamber housing rests against the partition wall (1) of the switchgear-chamber housing. In this position, the well-chamber housing can be locked to the switchgear-chamber housing. For this purpose, a shaft (3) which can be actuated by a hand lever (13) is fitted on the inner wall of the switchgear chamber. On the shaft (3) there is provided a hook (12) which, under the effect of a restoring spring (18), can be brought into engagement with a locking rod (25) on the well-chamber housing. Unlocking is achieved by pivoting the hand lever (13) back and, at the same time, the action of raising or displacing the well-chamber housing out of its operating position is thus initiated. <IMAGE>

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