Load manipulator comprising a boom arm (1) and a return arm (3) parallel to each other, a loading bar (2) and a counterbar (4) so as to form a deformable parallelogram, an approximately horizontal pivot axis on which one of the arms of the parallelogram is articulated, and balancing means (8) applying a force at an compensation application point (C) to compensate for the force due to the load, said point being a point on the return arm (3) and a point on the counterbar such that it is always in line with point (M) on the loading bar at which the force due to the load is applied and the rotation axis, in which the balancing means (8) comprise a first counterweight (10) and a second counterweight (12) and a jack to compensate for the value of the force due to the load, the first counterweight (10) and the jack applying a force onto the compensation application point (C) and the second counterweight (12) applying a force on the boom arm (1).
MANIPULATEUR DE CHARGE A EQUILIBRAGE AMELIORE
2016-02-19
Patent
Electronic Resource
French
IPC: | B66C Krane , CRANES |