Swinging trolley positioning pile device

The invention relates to a swinging trolley positioning pile device. The swinging trolley positioning pile device is arranged on a hull of a small cutter suction dredger and comprises a swinging trolley, a driving mechanism, a first bracket, a main positioning pile, a first power assembly, a second bracket, an auxiliary positioning pile and a second power assembly; the driving mechanism is arranged on the hull and can drive the swinging trolley to swing front and back relative to the hull; the first bracket is fixedly arranged on the swinging trolley, the main positioning pile can be arrangedon the first bracket in a supporting manner, the first power assembly is arranged on the swinging trolley, and the first power assembly is in transmission connection with the main positioning pile andcan drive the main positioning pile to rotate and vertically move relative to the first bracket; and the second bracket is fixedly arranged on the hull, the auxiliary positioning pile can be arrangedon the second bracket in a