| 摘要 |
The excavating and loading system includes an excavating and wheel assembly at the front and a material conveyors from the excavating wheel assembly upward and rearwardly. A power plant is provided and a drive shaft extends down along the supporting and housing means between the two excavating wheels. Gearing in the interior of the wheels is connected to the drive shaft for powering the excavating wheels. Apparatus is provided for raising and lowering excavation height of excavation wheel assembly to thereby vary the grade of the excavation. The excavating wheels has means for positively moving the walls of buckets between material receiving and material discharge positions. |
