DUMP TRUCK FOR OPERATION IN UNDERGROUND WORKINGS Russian patent published in 2006 - IPC B60P1/30 

FIELD: mining industry; automotive industry.

SUBSTANCE: proposed dump truck for operation in underground workings has chassis, front semiframe with fitted-on cabin connected by double joint with front semiframe, rear semiframe with fitted-on body installed for turning in vertical plane, two power cylinders with rods arranged at body sides, rods of cylinders being hinge-connected with rear semiframe and body. Body consists of two articulated parts with hinge unit arranged in plane of body bottom. Part of hinge unit adjoining the cabin is installed for resting on rollers secured on rear semiframe for rotation. Second part of body has rolls installed in middle zone of second part for displacement along longitudinal guides of rear semiframe. Parts of guides arranged at side outer relative to rolls are made curvilinear with deflection downwards and are provided with stops on ends for engagement with rolls at maximum angle of body tilting when dumping the rock. Rods of power cylinders are mechanically coupled with part of body adjoining the cabin and sides of both parts of body are made beveled towards each other with relative overlapping.

EFFECT: increased carrying capacity of dump truck owing to increase of elongation of body without increasing overall height at unloading and enlarged operating capabilities of dump truck used in underground workings of confined height.

2 dwg