But cantilever crane of adjacent cantilever crane rotation in a circumferential direction group and mobile concrete pump

The utility model relates to a but cantilever crane of adjacent cantilever crane rotation in a circumferential direction group and mobile concrete pump, wherein, but the cantilever crane of adjacent cantilever crane rotation in a circumferential direction group, it includes and is provided with circumference rotary actuator at least between a set of two sections adjacent arms by at least three section arm, through circumference rotary actuator can the rotation in a circumferential direction between two sections adjacent arms. The utility model discloses make under the cantilever crane guarantees the unchangeable prerequisite of cloth scope in the course of the work, the cloth is more nimble, moreover can the cut -through thing directly simultaneously, has also reduced the whole of cantilever crane and has rocked at cloth district cloth, has improved the stability of operation and mobile concrete pump's work efficiency.