The four-rope grab is mainly used with bridge or gantry cranes with two sets of lifting drums to grab all kinds of loose deposits, and perform operations such as loading, unloading, and transferring materials.
Excavator grab refers to the grab used in conjunction with an excavator, usually a hydraulic grab driven by a hydraulic cylinder.
Advanced electro-hydraulic mechanical technology is comprehensively adopted, with large grasping force and high degree of automation.
The single rope grab is applicable to all kinds of cranes with only one lifting drum(single hook).