The 30 ton long boom excavator has five-section boom of high strength steel structure and optimized U-shaped cross section with max.lifting capacity of 30t, full-extended boom length of 40.5m, jib length of 8m, max.lifting height including jib of 49m, reduce weight and improve safety significantly.
Jib mounting angles are 0°, 15°, and 30°, which ensure fast and convenient change-over between different operating conditions so as to improve working efficiency of the machine.
MORE SAFE DEVICES
Main and auxiliary winches are equipped with over roll-out limiter to prevent over rolling-out of wire rope.
Boom and jib ends are equipped with height limiters respectively to prevent over-hoisting of wire rope.
Hydraulic system is configured with the balance valve, overflow valve and two-way hydraulic lock etc., to ensure stable and reliable operation.
