The invention relates to an electric hoist of a crane. The electric hoist of the crane comprises a steel plate A and a steel plate B, wherein connecting shafts are installed at the front ends and the rear ends of the steel plate A and the steel plate B; a driving wheel set A is arranged at the upper end of the right side of the steel plate A, and a driven wheel set A is arranged at the upper end of the right side of the steel plate A; a reducer A is arranged at the upper end of the left side of the steel plate A, and an operation motor A is arranged at the left end of the reducer A; a plurality of hydraulic push rods are arranged on the left side of the steel plate A in a front-back arrangement manner, and a sliding rail is arranged on the position, below the hydraulic push rods, of the steel plate A; the other end of each hydraulic push rod is provided with a balancing weight block, and a control box is arranged on the left side of the balancing weight block; a driven wheel set B is arranged at the upper end of the left side of the steel plate B, and a driving wheel set B is arranged at the upper end of the left side of the steel plate B; a cone motor is arranged on the right side of the steel plate B, and a wound roll is arranged at the rear end of the cone motor; a steel wire rope is wound in the wound roll, and a brake is arranged at the rear end of the wound roll; and a reducer B is arranged at the upper end of the right side of the steel plate B, and an operation motor B is arranged at the right end of the reducer B. The electric hoist of the crane has the beneficial effects of being small in self weight, high in sling height, strong in bearing capacity and stable in operation.
Electric hoist of crane
2015-11-04
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |