Double beam crane in the operation process should pay attention to what matters: first to double beam crane before the start of the inspection: check the driving parts have no abnormal phenomenon, especially check the main beam connection; Check the wheel, there is no crack, indentation and wear beyond the limit, if the defect depth exceeds 3mm, it needs to be replaced immediately; Check whether the wire rope is broken by up to 19 wires within one lay and whether the surface of the wire rope is visibly worn. If so, it needs to be replaced immediately.
Operation steps: in the absence of load, switch on the power supply, start and check the operation mechanism, control system and an quan device, check and adjust the brake of the electric hoist, check whether the reaction is sensitive and accurate, safe and reliable, if it is, it can be used normally, not, immediate maintenance; In addition, after work, be sure to transfer the electric hoist and operation button plate to a safe position, and cut off the power supply.