PAPER DRAIN MACHINE

摘要

PROBLEM TO BE SOLVED: To provide paper drain machines having a constitution capable of operating mandrel press-in devices and a power unit at an excellent operation rate regardless of a weakness degree of the improving ground and a state of an execution place. SOLUTION: A structure of a mandrel press-in device installing part of a frame of the pontoon type paper drain machine and a structure of a mandrel press-in device installing part of a frame of the land self-advancing paper drain machine are formed as an installable structure that both mandrel press-in devices of the respective paper drain machines have interchangeability. A structure of a body installing part of the frame of the pontoon type paper drain machine and a structure of a body installing part of the frame of the land self-advancing paper drain machine are formed as an installable structure that both bodies of the respective paper drain machines have interchangeability.