Drainage pipeline construction device

The drainage pipeline construction device comprises an inner frame, an outer frame is fixedly arranged on the inner frame, the outer frame is an annular frame, an outer pipe is fixedly arranged on the outer frame, and the outer pipe communicates with a conveying pipe for feeding high-pressure fluid into an inner cavity of the outer pipe; a plurality of spray heads are fixedly arranged on the outer pipe, the spray heads are evenly distributed in the circumferential direction of the outer frame at intervals, and the water outlet directions of the spray heads are in the radial direction of the outer frame and face or back to the axis of the outer frame at the same time. The cleaning device has the effect of improving the end opening cleaning efficiency of the drainage pipeline. 本申请公开了一种排水管道施工装置，其包括内架，所述内架上固设有外架，所述外架为环形架，所述外架上固设有外管，所述外管上连通有向其内腔送入高压流体的输送管；所述外管上固设有喷头，所述喷头沿外架周向间隔均布有多个，所述喷头的出水方向沿外架径向方向，且同时朝向或背向外架轴线。本申请具有提高排水管道端口清洗效率的效果。