| 摘要 |
<p>The device comprises a roll sensor (1), two limit switches (2, 3) controlled by means of signals from the roll sensor (1), which limit switches are connected across a ciruit of an actuating member of the lock (4) of the towing hook (5). The device comprises also a lever (13), a swinging axis (14) of which is arranged in a centreplane (I) of a vessel, and an arm of which is jointedly connected with the towing hook (5). The lever (13) interacts with two force cells (17) of which output signals control two supplementary limit switches (21, 22) which are also connected across the circuit of the actuating member of the lock (4) of the towing hook (5). The device may be applied to any of the tugs provided with the towing hooks. </p> |
