| 摘要 |
PURPOSE: A rotary clamp for an excavator is provided to combine operating equipment easily regardless of the placed angle by rotating a clamp for an excavator in 360 degrees without moving the excavator and to conduct various operations easily without rotating the excavator by rotating a clamp in a state of attaching the operating equipment. CONSTITUTION: A rotary clamp for an excavator comprises: two brackets(11) having a boss hole where a fixing pin of an excavator is inserted and fixed; a cylindrical fixing member fixed with the brackets as one and provided with a circular insertion part(61); a cylindrical rotary member(80) coupled to the inside of the cylindrical fixing member by interposing many balls to be rotatable and provided with a fixed hook(20), an adjustable hook(30) and a hydraulic cylinder(35); a hydraulic motor(22) installed on the upper part of the cylindrical fixing member and rotated by pressurized oil supplied from an excavator; a power transmission device transmitting the torque of the oil hydraulic motor to the cylindrical rotary member; and a pressurized oil joint(40) fixed to the cylindrical fixing member, installed to the center of the cylindrical rotary member, and rotated in the different direction from the cylindrical rotary member.
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