E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01)
Patent
CA 2611771
A power tong (1) device, in which the power tong (1) includes two housing halves (2), pivotable relative to each other, the housing halves (2) being arranged to be pivoted between a closed, active position and an open, inactive position, and in which a radially divided drive ring (6, 8), which is provided with hydraulically activated clamping dies (14) directed towards the centre axis (10) of the power tong (1), is placed in the housing halves, the drive ring (6, 8) being supported and connected to a driving motor (12) for the rotation of the drive ring (6, 8) about said axis (10), the drive ring (6, 8) being provided with at least one locking means (16) which is arranged to interconnect the parts of the drive ring (6, 8) in a releasable manner.
L~invention concerne un dispositif à tenaille mécanique (1) dans lequel la tenaille mécanique (1) comprend deux moitiés de boîtier (2) pouvant pivoter l~une par rapport à l~autre, les moitiés de boîtier (2) étant disposées de sorte à pivoter entre une position active fermée et une position inactive ouverte. Un anneau d~entraînement radialement divisé (6, 8) qui est doté de plateaux de serrage à activation hydraulique (14) en direction de l~axe central (10) de la tenaille mécanique (1) est placé dans les moitiés de boîtier (2), l~anneau d~entraînement (6, 8) étant supporté par un moteur d~entraînement (12) et raccordé à celui-ci afin de faire tourner l~anneau d~entraînement (6, 8) autour dudit axe (10). L'anneau d~entraînement (6, 8) est doté d~au moins un moyen de blocage (16) qui est disposé de sorte à relier les parties de l~anneau d~entraînement (6, 8) de manière libérable.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Wellquip As
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