Abstract
In order to improve the coordination between human and agricultural machinery, taking Rosa roxburghii picking machine as an example, a virtual design method based on human-machine-environment system, combined with three-dimensional digital simulation technology and human skeleton biology and other disciplines is proposed. Three-dimensional parametric modeling of Rosa roxburghii picking machine is carried out by using three-dimensional engineering software. In JACK simulation software, a digital human body model is created to analyse the comfort, accessibility and visibility of the operator. The coordination degree of agricultural machinery design in the human-machine-environment system can be judged in advance, and targeted optimization design can be carried out to achieve the purpose of improving the coordination between human and machinery in the human-machine-environment system and reduce the accident rate. This method shortens the research and development cycle of agricultural machinery and provides a reference for humanized design of agricultural machinery design.
Highlights
With the development of agricultural modernization, agricultural mechanization has brought high yield and high efficiency, but at the same time, the safety accidents caused by agricultural machinery have brought adverse effects on the safety of farmers' lives and property
From the point of view of agricultural machinery design, the two important factors causing the accident are: first, the layout design of agricultural machinery operation interface is unreasonable, and only the mechanical performance is emphasized in the design process of agricultural machinery products, ignoring the coordination of interaction between human and machinery; The second is the ignore the consideration of the environmental factors in the operation of agricultural machinery products
The constraint conditions of parts are strictly observed when we is modeling, and the complete parametric model of Rosa roxburghii picking machine is completed according to the principles of ergonomics
Summary
With the development of agricultural modernization, agricultural mechanization has brought high yield and high efficiency, but at the same time, the safety accidents caused by agricultural machinery have brought adverse effects on the safety of farmers' lives and property. China's agricultural machinery’s using environment has diversified characteristics, From hot Xinjiang to cold three northeast provinces, the environment is quite different Once these two factors are not taken into account in the design process, to a certain extent, they will affect the work efficiency, and affect the performance of agricultural machinery itself, and even pose a major threat to the safety of agricultural machinery operators. From another point of view, with the continuous progress of agricultural mechanization, people's expectations for the comfort and operating environment of agricultural machinery are improving [2], so it is necessary to study the coordination of agricultural machinery under the human-machineenvironment system.
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