Abstract

The paper defines the analytical dependences of the transient processes quality indicators of the rotation lever hydraulic drive of the dust-cart manipulator. This is necessary to determine the drive parameters, which makes it possible to improve the quality of the transient processes to increase the service life of the dust-cart on the whole. Among the primary quality indicators of the transient processes, the following indices were considered: relative overregulation, amount of overregulation, and duration of the regulation. The value of the power fluid pressure in the hydraulic drive of the dust-cart manipulator rotation lever was considered as the transient function. The pipeline’s volume on the section hydraulic pump–rod cavity of the hydro-cylinder was determined as 1.7 · 10–3 m3. It provides the acceptable quality of transient processes with the following values of the quality indicators: relative overregulation of 30%, amount of overregulation – 1, and duration of regulation – 72.5 ms. Response surfaces of indices and quality domain of the transient processes of the rotation lever drive of the dust-cart manipulator were constructed in the plane of the basic impact parameters: area of the rod cavity of the hydraulic cylinder, the volume of the pipelines between the hydraulic pump and rod cavity of the hydraulic cylinder. It is suggested to supplement the corresponding technique of the design calculation with the obtained analytical dependences of the indices and quality domain of the transient processes of the hydraulic drive of the rotation lever of the dust-cart manipulator.

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