PURPOSE: An excavator for high-voltage power transmission pylon facility is provided to minimize interference of the ground when the direction inside the ground is converted by forming a detachable structure between a body and a boom.;CONSTITUTION: An excavator for high-voltage power transmission pylon facility comprises a boom attachment unit(100). The boom attachment unit comprises a joint part(20), a spline shaft(30), and an anchoring bolt(40). The joint part is integrated with a bracket(22) and a spline groove(24) is formed on the inner surface. Rectangular protrusions are formed on the spline shaft. The protrusion inserted into the spline groove to be faced. The anchoring bolt is fixed with the spline shaft. A safety unit is composed of a control box, a fastener, an operation lever, and a safety plate. The control box is coupled on the one side of the excavator body.;COPYRIGHT KIPO 2010
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