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This document describes how to construct a heroic transmission used in the mechanization of agricultural machinery. The article discusses the basic principles, design features and advantages of heroic transmission. Various methods of designing heroic programs are also considered. Based on the information considered, a method for designing a heroic transmission was developed. Based on the calculation, sketches of the impeller of the hero gear were developed. Based on the sketch of the outer wheel and the eccentricity, the obtained data were substituted into the parametric equation of the eccentroid cycloid, the profile of which is the basis for the construction of the inner wheel of the rocking pair. Based on the sketch, a 3D model of heroic transmission was developed, which was based on mathematical modeling.

This document describes the calculation procedure for selecting the optimal parameters of the boom lifting mechanism in agricultural machinery. A boom lifting scheme was developed. Studies have been carried out to find the optimal values of linear dimensions and angle, at which the required value of the force developed by the drive when lifting the boom with a hydraulic cylinder of the specified dimensions will be minimal. Based on the results of the study, an algorithm was developed for solving the optimization of boom lifting parameters. An expression is obtained for the objective function of optimizing the boom lifting mechanism. Algorithm for selection of optimal parameters of lifting mechanism considering weight of boom, hydraulic cylinder and rod has been developed.

This document describes the effect of undissolved gas on the bulk modulus of the fluid. The concept of liquid compressibility and dependence on composition, temperature and pressure is considered. Various methods of measuring the modulus of volumetric elasticity of the liquid were considered. It was also proposed to improve the mathematical model for calculating the module of volumetric elasticity of a liquid. The results of the study were used to plot the effect of the gas phase content modulus of volumetric elasticity of working fluid at different pressures. It was also concluded that the obtained values describe the need to equip hydraulic drives with devices for degassing working liquids.

This article focuses on the method of balancing the pump jack and optimizing its operation. In the course of the work, the main balancing methods were considered and a method based on changing the balancing value by moving the movable carriage was proposed. In the course of the work, a model was developed that made it possible to simulate loads, the results of which determined the effectiveness of the proposed balancing method. Based on the results of the study, a graph of the change in torque when the support is located during the operation of the drive was built. Based on the results of the work, the corresponding conclusion was made.