Barge towed beach-type trenching device consists of barge carrier, towed underwater trencher, hoisting system, displacement system, power distribution system, hydraulic system, cable transmission system, communication navigation positioning system and color image sound Nano quality inspection and tracking system and other components. The barge carrier is provided with a hoisting mechanism and a square sea opening. The barge carrier is a non-self-propelled carrier, which is towed to the construction area by a tugboat. During the construction of the barge carrier, the anchor boat will throw the eight anchors on the barge carrier to a predetermined position. The barge carrier realizes the positioning and displacement of the barge carrier during construction according to the GPS by its own 8 winches. The underwater trencher is a towed structure, which is softly connected to the barge carrier with a steel wire rope, and a hanging point is set at the front and back of the machine body, which is hung on the truss of the barge carrier. The underwater trencher enters the bottom of the sea through a hoisting mechanism and a square-shaped through-hole. Two cranes control the height of the two lifting points on the trencher, and adjust the angle between the trencher and the seabed and the ground pressure. Using color image sonar to monitor the relative position of the trencher and the submarine pipeline, the underwater trencher is accurately mounted on the submarine pipeline. The underwater trencher adopts the working principle of knife hinge, water jet and pumping to dig the trench. Coastal bottom pipelines are continuously walked by barbed carriers to form trenches. The submarine pipeline fell to the bottom of the trench by its own weight. Pipe trenches rely on the collapse of the trench walls and the seabed surge to promote natural backfilling of the submarine soil to achieve trenching and sinking. In the process of trenching and sinking pipes, the color image sonar technology is used to track and monitor the quality of trenching in real time, and the monitoring results are visually displayed on the monitor to provide data for the operators to adjust construction parameters in time to ensure trenching and sinking Pipe construction quality and production efficiency. It is characterized by simple structure, easy operation, convenient construction, good quality, high efficiency, safety and reliability. Inkjet Machine Accessories
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Working principle and characteristics of beach trenching device