HELICOPTER-MOUNTED FLUID DISCHARGE BOOM AND HELICOPTER EQUIPPED THEREWITH

摘要

PROBLEM TO BE SOLVED: To suppress weight and cost of a helicopter by composing so as to discharge water to both right and left sides of a machine body by only one fluid discharge boom, and eliminating useless fluid discharge boom.;SOLUTION: The discharge boom 3 is equipped with a boom body 4 which has a flow passage 51 in the inside, and discharges water W for fire-fighting from the tip end, and a turning shaft member 5 which is connected to a base end part of the boom body 4, and supported on the lower part of a body part 11 of the helicopter H. The discharge water boom 3 is equipped with a worm wheel 71 coaxially mounted to a turning shaft Y, a worm 72 and a worm drive part 73 meshed with the worm wheel 71 on the turning shaft member 5, and equipped with a turning mechanism 7 around an axis which turns the boom body 4 around the turning shaft Y within the angle of at least 180 degree by transmitting the turning motion of the worm drive part 73 to the turning shaft member 5 and turning the turning shaft member 5 around a predetermined turning shaft Y.;COPYRIGHT: (C)2007,JPO&INPIT