Draw-works for the maneuvering of drilling devices

Details Draw-works for the maneuvering of drilling devices Draw-works for the maneuvering of drilling devices

E - Fixed Constructions

21

B

E21B 19/00 (2006.01) B66D 1/00 (2006.01)

Patent

CA 2732199

A draw-works (10) for the maneuvering drilling devices that possesses: means (11) for winding at least one rope (12), which are centred on a shaft (13) having one first end and one second end and being rotating in one first direction and in one second direction opposite to the first; the winding means (11) are at least partially substantially cylindrical in shape; one or more supports (14) designed to support said shaft (13) in a rotatable way; a plurality of motors (19), designed to enable rotation in the first direction and in the second direction of the shaft (13) and of the winding means (11); a base frame (16) fixed to which are the supports (14) and the plurality of motors (19); the plurality of motors (19) being set on both sides of the winding means (11) and connected to them without speed-reducing elements, with direct drive on the shaft (13).

L'invention concerne un treuil de forage (10) pour manuvrer des dispositifs de forage, le treuil possédant : des moyens (11) pour enrouler au moins une corde (12), les moyens étant centrés sur un arbre (13) comportant une première extrémité et une seconde extrémité et étant en rotation dans une première direction et dans une seconde direction opposée à la première; les moyens denroulement (11) ayant au moins partiellement une forme sensiblement cylindrique; un ou plusieurs supports (14) conçus pour soutenir ledit arbre (13) de façon rotative; une pluralité de moteurs (19) conçue pour permettre la rotation dans la première direction et dans la seconde direction de larbre (13) et des moyens denroulement (11); un châssis de base (16) auquel sont fixés les supports (14) et la pluralité de moteurs (19); la pluralité de moteurs (19) étant disposée sur les deux côtés des moyens denroulement (11) et étant raccordée à ces derniers sans élément de réduction de vitesse, avec prise directe sur larbre (13).

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