Abstract
Nowadays the hydraulic excavator is one of the leading multifunctional machines that are operated for multi-purpose goals and are also finding increasing use due to the widespread use of replaceable working bodies and working equipment. It is important to note that the use of a wide range of replaceable working equipment and working bodies of excavators not only increases the productivity of machines, but also the level of mechanization of work. The possibility of easy replacement of nozzles increases efficiency and minimizes the likelihood of damage or wear of equipment associated with manual replacement of nozzles. Besides, this will reduce the time for replacing the working body and speed up the work process.This article analyzes and reviews research: publications, patents; also provides an assessment of the quality of the proposed solutions for quick fastening systems on hydraulic excavators.
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