| 摘要 |
A wall cutter for an excavator is provided to pull down a wall quickly by cutting a wall according to the outward shape of a window frame to be installed when installing a new window frame to a wall of a concrete building, and to cut a wall formed at a right angle easily. A wall cutter(100) for an excavator includes a connector(20) formed to couple with a head of an excavator easily and provided with one or more pin grooves to insert a fixing pin(13) of a main body, a spiral to fasten a nut and an end projection to keep the nut not to be fastened additionally, a main body fixed to the upper part of the connector and provided with a depth control pin(14), a driving motor(30) fixed to one side of the main body and operated by hydraulic pressure, a cutting blade(40) fixed to a motor shaft of the driving motor to interlock, a protector(50) fixed to the end of the main body on the outside of the cutting blade, and a variable protector(55) provided to one side of the protector to vary by the angle of the head of an excavator and the cutting depth to be protected by broken pieces and provided with an anti-separation piece to rotate axially within the appointed section and a roller to reduce frictional force when making contact with a wall and the ground. The wall cutter is integrated with an excavator to be operated by hydraulic pressure of an excavator. |
