GEAR FOR WORK AT HEIGHT TO PLACE LOAD Russian patent published in 2004 - IPC

FIELD: placement of loads. SUBSTANCE: invention deals with gear intended for work at height, for placement of loads, in particular. Gear has suspension put on hoisting device. Given suspension contains drive used to handle load at height, weighing unit to establish mass of load, storage element connected to weighing unit to store value of initial mass of load, comparator meant to compare actual value of mass with value of initial mass kept in storage element for selective switching-on of drive in correspondence with comparison result. Weighing unit includes hydraulic weighing cylinder and storage element carries hydraulic accumulator that has linear characteristic in range of operation pressures. EFFECT: increased accuracy of execution of operations with large loads. 15 cl, 6 dwg