| 摘要 |
<p>PURPOSE:To facilitate maneuvering of a helicopter at the time of cleaning by furnishing an actuator, which directs the tip of a cleaning pipe in any desired direction with a moving universal joint. CONSTITUTION:A frame 21 is formed approx. triangular in plan from a pipe material and arranged stretching ahead over the whole length of the lower space. A universal joint 22 and an actuator 23 are installed at the front and rear ends, respectively, of this frame 21, and the base of a cleaning pipe 14 is inserted and borne in/by one of the cylinders of this universal joint 22 in such a way as slidable in the axial direction of the pipe 14. Therein an extension 19 which constitute the tail of the cleaning pipe 14 is supported, so that the pipe 14 is swung with displacement of the mentioned actuator 23 round the universal joint 22, wherein the cleaning liquid discharge direction is adjustable.</p> |
