| 摘要 |
PROBLEM TO BE SOLVED: To provide photographing equipment in a smokestack capable of easily and smoothly operating a device for photographing the inside of a smokestack, or the like with a simple configuration, and securing high safety to the operation of the device by a worker near a top end of the smokestack.SOLUTION: A working frame 3 to be moved vertically with a position of refuge height SL for positioning a working space S lower than the top end 1a of a smokestack as a ceiling, a crane device 9 installed on the working frame to have a crane post 10, a turning arm 11 supported by the crane post in a horizontally turnable manner and a winch 13 for operating wire 12 from the turning arm, and a photographing device 17 hung from the crane device in a vertically movable manner to photograph the inside of the smokestack are provided. In the crane post of the crane device, the photographing device is set to a height dimension at which the photographing device can be supportedly hung to a position higher than the top end of the smokestack by the turning arm at the position of the refuge height of the working frame within a wiring winding limit by the winch. |
