What is the safe function of the limit localizer for crane mechanism?
(1) the rise in hoisting mechanism limit position limiter (hereinafter referred to as rising limit) should ensure that when the hook or fetch unit rose to the highest limit, crane can automatically disconnect the power or power supply, in order to prevent the wire rope on the drum land beyond the circle of security, a hook "coil" accident.
(1) the rise in hoisting mechanism limit position limiter (hereinafter referred to as rising limit) should ensure that when the hook or fetch unit rose to the highest limit, crane can automatically disconnect the power or power supply, in order to prevent the wire rope on the drum land beyond the circle of security, a hook "coil" accident.
(3) limit position limiter running institutions (hereinafter referred to as running limit) should make sure that when some operation to the finish location, crane can be automatically disconnect the power, to prevent the organization from the offside. All cranes should be installed in the ascending limit, and any crane that is likely to cause an "anti-roll" accident should be installed in the lower limit. The bridge crane should be installed in both the big and the small car terminals, and the end of the gate crane jib must also be installed in the operating limit.
