摘要 |
PROBLEM TO BE SOLVED: To provide a refractory demolishing machine for blast furnace runner which can efficiency execute the demolition and the repairing of the blast furnace runner. SOLUTION: In the refractory demolishing machine for blast furnace runner, in the case of pushing a cutter 100 against the material to be demolished in the state of driving the cutter 100, the adjusting part for adjusting the refractory demolishing machine for blast furnace runner is disposed so as not to slide sideways with the reaction force. Further, an arm 30 is fitted to a boom 20, and in the arm 30, a cutter attaching part 90 is disposed. The arm 30 is provided with a supporting part 32 and a tip arm 60, and the tip arm 60 is made to be rotatable to the supporting part 32. That is, the tip arm 60 is rotated with the axial line as the center by driving a motor disposed at the supporting part 32.
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