TELESCOPIC MAST Russian patent published in 2019 - IPC H01Q1/10 

FIELD: hoisting equipment.

SUBSTANCE: invention relates to devices for cargo lifting, in particular to antenna devices, and concerns a telescopic mast used in mobile radioelectronic installations for lifting of antenna devices to the specified height from internal volume of the body. Lifting-lowering of movable elbows of telescopic mast is performed by combined method by means of screw mechanism and system of ropes and rolls interacting with it. At that lifting-lowering of the first movable elbow is performed by screw mechanism, and lifting-lowering of the rest movable elbows is performed by system of ropes and rollers. At that, on lower ends of all intermediate movable elbows there are additional rollers and additional lowering cables interacting with additional rollers, fixed elbow and last movable elbow.

EFFECT: technical result of claimed invention is higher reliability of telescopic mast both during lifting and lowering of load, as well as improved compability of mast inside vehicles with limited inner volume.

1 cl, 1 dwg