Giant bucket wheel excavator, has chassis comprising two controllable crawlers only to left of swivel middle part and uncontrollable crawler under supporting disk of sub-structure in direction of bridge support

摘要

The excavator has a telescopic bridge (6) supported on a pivotable rotary disk (12) of a loading system (10) by two roller carriages (9). A telescopic carrier (11) is displaced within the bridge and is coupled to the rotary disk. A bridge support (18) lies on an excavator sub-structure (4) and is limited by a long intermediate conveying belt (5) outside a swivel middle part of the excavator. A chassis has two controllable crawler (7) only to the left of the swivel middle part and an uncontrollable crawler (8) under a supporting disk of the sub-structure in a direction of the support.