EXCAVATOR FOR FOUNDATION PIT

摘要

An excavator for foundation pit comprises a bracket, an excavating device and a running mechanism. The bracket comprises two paralleling long guides (9). The excavating device provided on the bracket comprises a turnover bucket (1) and a telescopic excavating arm (4). The excavating device can move along the long guides (9) and rotate horizontally on the long guides (9). The running mechanism comprises two double-caterpillar units (12) provided under the both ends of the bracket, each of the double-caterpillar units (12) can rotate horizontally respectively.