| 摘要 |
PROBLEM TO BE SOLVED: To automatically attenuating the rocking of a working boat when using a deck crane installed on a mother ship for hoisting up and down the working boat. SOLUTION: This hoisted load rocking control device 20 is provided at the free end of the deck crane 1 mounted on the mother ship 2. It comprises a vertically long hoisted load rocking control device body 22 rockingly provided at the free end of the deck crane, a pair of side arms 23 protruded from the hoisted load rocking control device body, hydraulic shock dampers 24a, 24b bridged in an approximate V-shape between each of the side arms and the hoisted load rocking control device body, a rocking motor type attenuating means 30 provided on the hoisted load attenuating device body for attenuating in a direction crossing the protruding direction of the side arm, and a male joint part 25 provided at the lower part of the hoisted load attenuating device body so as to be joined to a female connector 65 of the working boat. COPYRIGHT: (C)2007,JPO&INPIT
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