| Summary: | The article reflects the results of theoretical studies aimed at improving the equipment of the chain trencher. The proposed design allows the development of trenches on the sides of the pipeline. In addition, with the help of a cutter drum equipped with a rotary mechanism, the equipment removes soil from under the repaired pipe section. To confirm the health of the proposed technical solution, calculations were made of the power of consumption on the drive chain of the work equipment and cutter drum. When developing the design, calculations were made to determine the diameter of the shaft and check the splined joint for crumpling.
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