Double-tail vehicle system of bucket-wheel stacker-reclaimer and bucket-wheel stacker-reclaimer

The invention provides a double-tail vehicle system of a bucket-wheel stacker-reclaimer. The double-tail vehicle system comprises a relay tail vehicle, a tail vehicle, a pitching mechanism, limiting elements and a control device, wherein the relay tail vehicle is fixedly connected with a bucket wheel machine main body; a hopper and a hook are arranged at the end part of the relay tail vehicle; the tail vehicle comprises a tail vehicle main beam and a tail vehicle belt conveyer; the pitching mechanism comprises a driving part and an L-shaped swinging beam; the driving part is arranged on the tail vehicle main beam; one end of the L-shaped swinging beam is hinged to the relay tail vehicle, and the other end of the L-shaped swinging beam is hinged to the driving part; the limiting elements comprise an upper limiting element used for limiting the running position of the upper part of the tail vehicle and a lower limiting element used for limiting the running position of the lower part of the tail vehicle; and the