| 摘要 |
PURPOSE:To connect or separate a nozzle supported to a nozzle support to and from a nozzle receiver by providing a centering block at the leading end of the nozzle support which is fixed to the leading end of the rod of a forward and backward moving cylinder and is freely movable horizontally and vertically and guiding this with a centering guide. CONSTITUTION:A nozzle support 16 which is freely movable horizontally and vertically and is formed with a centering block 18 at the leading end is provided. A centering guide 7 which guides a nozzle 8 supported to the support 16 to the lower part of a nozzle receiver 6 provided to a vessel 1 in accordance with the horizontal movement of the support 16 and connects the receiver 6 and the nozzle 8 by guiding the block 18 in accordance with the upward movement of the support 16 is provided. Therefore, the construction is made extremely simple, and the connecting and separating operations are simplified. |
