Deep excavating scoop for drainage work - has scoop internal ejector operated by cam for ejecting excavated material

摘要

The deep excavation scoop is used for drainage work with excavators. It is operated by a hydraulic actuator and has an ejector ensuring optimum quantity within the excavating scoop. Materials are ejected shortly before the scoop reaches the end position on unloading. The ejector (2) is fitted within the scoop (1) and able to rotate there. The ejector is controlled by levers connected to hydraulic actuator. The ejector (2) itself forms partly a cam and the connecting lever (3) is provided with a roller (7) or sliding block as follower in contact with the ejector. The ejector can be also guided by a control cam on the scoop arm.