SURFACE VEHICLE HYDRAULIC RAM Russian patent published in 2014 - IPC B60P1/30 B60P1/16 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry, particularly, to dump trucks. Hydraulic ram comprises telescopic hydraulic cylinders arranged horizontally at initial position. Damp truck bearing frame support accommodates main hydraulic cylinders (12) articulated therewith each incorporating hydraulic cylinder (13) with two-way piston and grippers for truncated cylindrical retainers of the body front axle, mid hydraulic cylinder and central hydraulic cylinder with piston and head articulated with body (8) front. Body base rear accommodates lengthwise guide (6) with body stroke limiters articulated with the axle, bearing rollers fitted in lengthwise guides. Body positions stops are arranged inside the axle. At first lifting step, hydraulic cylinders displace the body horizontally over frame support while with body and body support hinges aligned said hydraulic cylinders are set vertically by gravity. Hydraulic cylinders sequentially extend to lift the body.

EFFECT: expanded performances, lower metal input.

2 dwg