Telescopic device of concrete spreader

The utility model relates to the technical field of concrete distributing machines, and discloses a concrete distributing machine telescopic device which comprises telescopic equipment, the telescopic equipment comprises a machine frame, a discharging pipe, a fixing seat and a telescopic mechanism, the discharging pipe is arranged on the upper surface of the machine frame, the fixing seat is arranged in the machine frame, and the telescopic mechanism is arranged on the fixing seat. A telescopic mechanism is mounted on the fixed seat; by arranging the fixing pipe, the S-shaped pipe, the C-shaped pipe, the L-shaped pipe, the first fixing block, the oil cylinder and the fixing plate, when stretching and retracting are needed, the oil cylinder drives and drives one end of the L-shaped pipe to move towards the front end, the end faces of the S-shaped pipe and the C-shaped pipe are driven to start to rotate while moving, stretching and retracting movement is completed, resistance caused by the fact that mortar ente