WORKING EQUIPMENT OF THE TELESCOPIC BOOM EXCAVATOR Russian patent published in 2023 - IPC E02F3/30 E02F3/36 

FIELD: construction; road machines.

SUBSTANCE: invention is related to loading equipment of hydraulic excavators. The working equipment of the excavator-planner includes a boom with drive hydraulic cylinders, a bucket with a drive and a suspension, which is pivotally connected to the boom by a parallelogram formed by a handle, suspension, boom and traction, the latter is connected to the boom by a hydraulic cylinder. The handle and rod are made hollow, sliders are mounted inside them, at the ends of which upper and lower hinges are installed. Moreover, the upper hinges of the sliders are connected to the cranks placed on the boom, and the bucket suspension is attached to the lower hinges of the sliders.

EFFECT: high-quality cleaning and levelling the bottom of the face, performance of planning work above and below the parking level, efficient loading of bulk materials into vehicles and excavation.

1 cl, 5 dwg