DOI: https://doi.org/10.32515/2414-3820.2022.52.98-107

Increasing the Reliability of the Trailer of the Loader-Accumulator of the Transhipment

Volodymtr Amosov, Mykola Sviren, Oleksii Vasylkovskyi

About the Authors

Volodymtr Amosov, Associate Professor, PhD in Technics (Candidate of Technics Sciences), Central Ukraіnian National Technical University, Kropyvnytskyi, Ukraine, e-mail: v_vas_a@ukr.net, ORCID ID: 0000-0002-0154-2886

Mykola Sviren, Professor, Doctor in Technics (Doctor of Technic Sciences), Central Ukraіnian National Technical University, Kropyvnytskyi, Ukraine, e-mail: kaf_sgm_kntu@ukr.net, ORCID ID: 0000-0001-8877-8949

Oleksii Vasylkovskyi, Professor, PhD in Technics (Candidate of Technics Sciences), Central Ukraіnian National Technical University, Kropyvnytskyi, Ukraine, e-mail: olexa74@ukr.net, ORCID ID: 0000-0001-9590-742X

Abstract

The use of hoppers-accumulators of transshipment makes it possible to increase the productivity of the collection and transport complex by approximately 20-50%. The towing device is one of the most responsible nodes of the hopper-accumulator. The productivity of the collection and transport complex depends on the perfection of its design, high strength and reliability. The purpose of the work is to increase the variable productivity of the collection and transport complex due to the improvement of the towing device of the hopper-accumulator of the transshipment BNP-30PP. The analysis of the features of the constructions of the towing devices of hoppers-accumulators of transshipment showed that the strength of the towing device depends on the weight of the trailer and part of the vertical component of the load. The coupling loop of the hopper-accumulator of the transshipment BNP-30PP, made in accordance with GOST 2349-75, quickly failed due to overloading by the vertical component of the force on the side of the drawbar of the trailer. "Pozhmashina" LLC replaced the coupling hinge with an improved version: a bracket with a spherical bearing, which failed after 350-400 hours of operation. Therefore, as a result of a joint discussion with the engineers of PE "Astarta Group" and the teachers of the Department of Agricultural Machine Building of the Central Ukrainian National Technical University, an optimal design was proposed and a drawing of the towing device of the hopper-accumulator of the transshipment BNP-30PP was developed. The real loads on the towing device of the BNP-30PP transshipment hopper-accumulator exceed the values allowed by the standards. The towing device developed by PP "Pozhmashina" LLC has design flaws that lead to deformation of the bracket and cracks in the metal. The improvement of the trailer device showed high reliability during the field operation of the BNP-30PP transshipment hopper-accumulator. The implementation of the development contributes to reducing the time spent on repair and maintenance of the hopper-accumulator and increasing the efficiency of the use of collection and transport complexes in the cultivation of agricultural crops.

Keywords

harvesting and transport complex, reloading storage hopper, trailer device

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