High-pressure water jet pipeline joint

The utility model relates to the technical field of high-pressure water jet, and particularly discloses a high-pressure water jet pipeline joint which comprises a spray gun, a spray pipe joint is arranged at one end of the spray gun, a spray pipe is arranged at the end of the spray pipe joint, a joint clamping groove is formed in the outer side wall of the spray pipe, and an insertion hole is formed in the joint clamping groove. A spray pipe connector is arranged on the outer side of the connector clamping groove and comprises an upper clamping ring and a lower clamping ring, collection bins are arranged on the outer sides of the upper clamping ring and the lower clamping ring, inserting connection pipes are arranged at the positions, located in the inserting connection holes, of the lower ends of the collection bins, and flushing spray holes are formed in the outer sides of the collection bins. According to the pipeline cleaning device, a collecting bin is integrally of an arc-shaped structure, arc lines of