| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lifting device that can effectively perform the work of detaching or attaching of members to be lifted such as a member or equipment with respect to the support hole of a floating roof in a tank. <P>SOLUTION: The device includes: a pedestal; a movement mechanism, which is arranged at the pedestal, for moving the pedestal; a supporting pole arranged at the pedestal; a pulley mechanism arranged at the supporting pole; a lifting rope, which is wound around the pulley mechanism, for lifting the members to be lifted; and an explosion-proof driver for pulling the lifting rope. <P>COPYRIGHT: (C)2012,JPO&INPIT |
