WORKING EQUIPMENT OF BULLDOZER Russian patent published in 2019 - IPC E02F3/76 

FIELD: machine building.

SUBSTANCE: invention relates to earthmover-transporting machines for development of soils of all categories. Working equipment of bulldozer represents flexible blade in form of elastic plate with cutting blade, connected with base machine by means of pivoted pushing bars. Blade is equipped with two upper fastening plates connected to each other and blade by bolt joint, one of which is located on working side, and the other on the side facing the bulldozer, and the lower attachment bar installed on the side facing the bulldozer and connected to the blade and knife by means of the bolt joint. Upper planks are made with eye lugs for braces, and lower – with lugs for pushing bars. Blade elastic plate is rectangular with outer and inner surfaces made of carbon fiber reinforced plastic and two layers of honeycomb filler between them. Cells of honeycomb aggregate are connected to each other by means of welding, and external layers of dump are connected to cellular filler by means of polymerisation.

EFFECT: raised efficiency of bulldozer and improved performance of excavation works.

3 cl, 3 dwg