Innovative Design and Mechanical Analysis of Low-Resistance Fritilariae Ussuriensis Maxim Excavation Device
Source abstract
Abstract
Fritilariae ussuriensis maxim can be used as a medicine with little difficulty in its planting, but owing to its fragile characteristics, Fritilariae ussuriensis maxim is mainly collected by manual excavation. In order to solve the problems of the low working efficiency and poor environmental adaptability of the harvesting equipment of Fritilariae ussuriensis maxim, this paper designs a new excavation device, which can effectively reduce the operation resistance and improve the excavation efficiency of Fritilariae ussuriensis maxim. In this paper, the finite element method and discrete element method are used to simulate and analyze the operation performance of the excavation device. Combined with the orthogonal test and single factor test, the factors affecting the operating performance of the excavating device were explored. The excavating experimental platform was designed and built, and the simulation results were verified with experimental excavation data. This study shows that the operating speed, shovel face inclination angle, and digging depth had significant effects on the digging resistance of the shovel body, with the shovel face inclination angle having the highest influencing factor and the operating speed having the lowest influencing factor. Combined with the orthogonal test analysis and response surface design, the optimal operating parameters of the shovel body are: operating speed 0.5 m/s, shovel face inclination angle 25°, and excavation depth 120 mm.
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Research context
OpenAlex topics: Soil Mechanics and Vehicle Dynamics · Agricultural Engineering and Mechanization · Tree Root and Stability Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150040, China
Harbin Forestry Machinery Research Institute, State Forestry and Grassland Administration, Harbin 150086, China
Funding
The Special Fund Project of Basic Scientific Research Business Expenses of Central Public Welfare Scientific Research Institutes
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