A telescopic elevator bail vessel comprising such the elevator bail and method of using the elevator bail

摘要

A telescopic elevator bail 1 arranged to be used dynamically in seam work in the petroleum industry has a first connecting orifice 24 and a sleeve 2 provided with a spout portion 28, And a rod 3 which is arranged to be displaceable relative to the sleeve 2 in a stretchable manner along a common longitudinal axis of the rod 3 and which rod 3 is arranged on the longitudinal axis of the rod 3 The first, second and third holes 36, 36 ', 36 "are provided with at least one penetrating first, second and third holes 36, 36' Wherein the sleeve (2) is provided with at least one catch bolt (5), the catch bolt (5) being arranged to receive a holding bolt (42) A holding portion 53 is provided and the sleeve 2 and the rod 3 are provided with the longest length A first shoulder portion 54 is provided which is arranged to remain in the holding portion of the catch bolt 5 when it exhibits a displacement in this direction. The invention also provides a method for using the elevator bail (1).