| 摘要 |
FIELD: construction.SUBSTANCE: working equipment of a hydraulic excavator comprises a boom, a handle made of two parallel elements, rigidly connected to each other at their ends, two movably connected buckets with cutting edges facing towards each other, a hydraulic cylinder and hinged traction rods of bucket rotation, movably connected to a common rear wall.EFFECT: increased capabilities for mechanisation of earth works under foundations of capital construction facilities.3 dwg |
