The in-pipe moving apparatus includes two sets of wheel-based traveling elements 2 A and 2B, which each have two driving wheels 8A and 8B linearly arranged, and a variable bag 3, which is expanded and contracted in accordance with the pressure of a fluid supplied to the variable bag, and the two sets of wheel-based traveling elements 2A and 2B are so disposed as to sandwich the variable bag 3 and are fixed to the outer surface of the variable bag 3.
In-Pipe Moving Device
2019-08-29
Patent
Electronic Resource
English