Hydraulic excavator - ( eng. Dredge hydraulic ) mining - loading machine, with hydraulic drive of all elements of the working equipment.
Content
Characteristics of hydraulic excavators
- bucket capacity - up to 50.0 mΒ³
- digging depth below installation level - up to 5 m (straight shovel)
- length of the planned plot - up to 14 m
- digging height - up to 22 m
- scooping radius - up to 22 m
- unloading height - up to 17 m
- discharge radius - up to 20 m
- tail radius - up to 10 m
- bucket deployment force - up to 4000 kN
- breaking force on teeth - up to 1600 kN
- pump drive motor power - up to 2700 kW
- working pressure in the hydraulic system - up to 32 MPa
- number of main pumps - up to 8
- pump flow - up to 8000 l / min
- electric motor power: turning - up to 800 kW, stroke - up to 400 kW
- driving speed - up to 0.8km / h
- clearance of the undercarriage - up to 1.05 m
- ground pressure - up to 0.32 MPa
- duty cycle up to 37 s
- working weight - up to 900 t
Application of hydraulic excavators
- mining and overburden
- loading the rock mass into vehicles or a self-propelled crushing unit at or above its installation
- large earthworks in industrial construction
Hydraulic Excavator Tools
- ladle
- arrow
- handle
- hydraulic lifting cylinders - lowering the boom
- angular thrust
- bucket traction
- swivel platform
Hydraulic Excavator Classification
- hydraulic straight shovel
- hydraulic backhoe