Disconnection unit for instantaneous disconnection of a load

摘要

A disconnection unit (10) is described for instantaneous disconnection of a load connected to a vessel (12) with the help of a wire, cable, chain or the like (16) that runs on a topside of an assigned part of an open deck (14) of a vessel, where the unit (10) comprises a housing (30) that contains an explosive part (32), said explosive part comprises, at least, one explosive unit (34) formed as a directed charge with a blast-off side, where the unit (10) is arranged to extend above the deck (14) of the vessel, and the unit (10) comprises a rod mechanism (50) arranged to hold the housing with the explosive part (32) adjoining said wire, cable, chain or the like (16) that shall be cut. Also described is an anchor handling vessel comprising, at least, one disconnection unit.

主权项

1. A disconnection unit for instantaneous disconnection of a load connected to a vessel by a wire, cable, or chain designed to run on the topside of an assigned part or an open deck of a vessel, where the unit comprises a housing that contains an explosive part, said explosive part comprises at least one explosive unit formed as a directed charge with a blast-off side, and where the unit is arranged to extend above the deck of the vessel,whereinthe disconnection unit comprises a rod mechanism for holding the housing with the explosive part adjoining said wire, cable, or chain above the deck, and which shall be cut, wherein the rod mechanism comprises a number of articulated arms, and that the housing with the explosive part is connected to respective articulated arms andwherein the articulated arms are arranged in pairs in a movable scissor position, whereby the housing with the explosive part in an inactive state is retracted in the unit and in an active state is extended from the unit.