| 摘要 |
PROBLEM TO BE SOLVED: To provide a demolishing device for a structure, by which dust is not scattered and peripheral environment is not contaminated when the hollow tower-shaped structure such as a chimney is demolished. SOLUTION: An engine 4, a generator 5, a hydraulic pump 6, a radio controller 10, a water tank 12 and a water pump 13 are loaded on a base 2 while a fixed crushing arm 25 and a movable crushing arm 31 driven by a hydraulic cylinder 33 are suspended from a revolving frame 23 installed on the lower side of the base 2, and an injection nozzle 50, by which water in the water tank 12 is force fed by the water pump 13 through a water hose 51, is mounted on the fixed crushing arm 25. A section to be crushed 41 is held and crushed by the fixed crushing arm 25 and the movable crushing arm 31, injecting water from the injection nozzle 50 to the section to be crushed 41. Thus, the scattering of dust to the periphery of the chimney and the contamination of peripheral environment are prevented because the dust of the section to be crushed 41 is made to flow by water without flying in air.
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