| 摘要 |
PURPOSE: A crane transferring device is provided to enable a user to perform tasks at individual vertical holes by reciprocating the crane among the individual vertical holes through a rail. CONSTITUTION: A crane transferring device comprises a pair of rails(21), a pair of fixed beams(22), and a support stand(23). The rail is arranged between the top ends of individual vertical holes which can separate each other. The fixed beam is attached to both ends of a pair of rails in a vertical direction. The both ends of the fixed beam are fixed to the outer circumference of each vertical hole. The crane reciprocates among the separated each vertical hole on a pair of rails. |
