| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a machine for performing underground survey, by reaching the sea bottom and performing excavation by means of a thin rod of a small excavator. <P>SOLUTION: A large platform (oil press rig) is built so sea bottom can be dug down from above the sea by means of a thick rod; the small excavator is used; a rod grip method is applied to the excavator, by means of a caterpillar type of bulldozer so as to dive to the sea bottom and perform the excavation; and a diesel engine 127, capable of bearing seawater pressure on the sea bottom so as to perform long-term work on the sea bottom and capable of being resupplied with fuel and oxygen is used. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
