LOAD-LIFTING DEVICE FOR MOUNTING MOBILE OBJECTS Russian patent published in 1997 - IPC

FIELD: mechanical engineering; materials handling facilities. SUBSTANCE: device has rocking portal 1 made of U-shaped truss. Portal has two sectional posts rigidly coupled with cross-bar. Portal is hinge-mounted on base made in form of sectional frame furnished with jacks 5 engaging with support. Tilting hydraulic cylinders 7 are hinge-secured between frame and posts. Self-alignment stop engaging with support surface of object to be mounted is installed on frame at side of portal. Opposite edge of frame is made for arrangement in clearance between object and above-indicated support and it provided with at least one jack engaging support and self-alignment stop engaging with support surface of object. Main members of device are interconnected by quick-release joints. EFFECT: possibility of creating light-weight, easily-mounted load-lifting device. 5 cl, 6 dwg