BIO Web Conf.
Volume 42, 2022International Scientific and Practical Conference “Sustainable Development of Traditional and Organic Agriculture in the Concept of Green Economy” (SDGE 2021)
|Number of page(s)||6|
|Section||Bioengineering and Agricultural Machinery|
|Published online||13 January 2022|
Method for the influence design assessment of a wheeled agricultural vehicle on the soil
Volgograd State Technical University, Volgograd, Russian Federation
* Corresponding author: email@example.com
The impact of a wheeled agricultural vehicle on the deformable support surface determines the vehicle's ability to move, as well as soil compaction, which is not desirable in agriculture. The agricultural machine must not cause more pressure on the ground than is permissible. Therefore, in the tasks of design numerical modelling of the agricultural vehicle movement or trailer, it is required to calculate the specified parameter. It is impossible to calculate without knowledge of the geometric characteristics of the contact spot associated with the normal deformation of the tire under normal load. To calculate these characteristics, it is necessary to have universal dependencies for determining the normal stiffness of the tire. These are available for tires of various purposes. The elastic properties of ultra-low pressure tires are insufficiently studied. Experimental studies of the elastic properties of these tires have been carried out with the authors participation. However, there are currently no dependencies to describe them. This does not provide the possibility of a correct design calculation of the influence of such tires on the soil. The purpose of the work: to develop a universal method for calculating the influence on the soil of agricultural vehicle. A universal method for calculating the impact of a wheeled agricultural machine on the ground has been developed. Universal design-experimental dependence for determining the normal stiffness of ultra-low pressure tires is obtained. It takes into account tire pressure, normal load under specific conditions and geometric characteristics.
© The Authors, published by EDP Sciences, 2022
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