Deep foundation excavator

Abstract

The design article is a deep foundation excavator having a vehicle body and a working device, which excavates a shaft in the ground using the working device and unloads the excavated soil. The working device includes a two-piece boom connected to the vehicle body of the hydraulic excavator so as to be freely tiltable, and an arm connected to the tip of the two-piece boom so as to be freely tiltable. The excavation bucket is configured to be able to be raised and lowered and opened and closed by a lifting wire rope and an opening and closing wire rope wound around the arm. The boom is equipped with a tag line device that winds in and unwinds the wire rope used to prevent the excavation bucket from swinging.

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