CROSS BEAM Russian patent published in 2017 - IPC B66C1/30 

FIELD: transportation.

SUBSTANCE: invention relates to lifting and transporting equipment and may be used in performance of works to lift and transport bulk and large items. Cross beam comprises a rod, at one end of which there is an eye for connection with a crane lifting mechanism, and at the second end - a fork rigidly connected by an axis to the arm, grip brackets hingedly fixed to the ends of the arm with the possibility of rotation in the longitudinal vertical plane, guide forks rigidly fixed to the arm and located next to grip brackets, a drive of synchronous rotation of grip brackets. The arm at the ends has at least two holes for hinged fixation of the grip brackets. Areas of installation of grip brackets have support safety bores, on the base of the arm there are support guide planks, where guide forks are installed, the drive of synchronous rotation of grip brackets is installed on the rod with a positioning mark that determines the depth of cross beam submersion into water. Transmission from the drive to the grip brackets is made with the help of ropes, one end of which is fixed on the grip bracket, and the other one - at the drive stem.

EFFECT: universality and reliability of fixation units of grip brackets and guide forks is achieved, possibility of their readjustment for specified dimensions of goods.

7 cl, 4 dwg