Design and Experiment of Compliant Mechanisms-Based Morphing Wing

Zhang, Yonghong; Liu, Bo; Ge, Wenjie; Hu, Xiaopeng; Zhang, Hongzhi

doi:10.1007/978-981-19-9398-5_74

Cited by 1 publication

(1 citation statement)

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“…Additionally, extending the header can increase its capacity, allowing for higher feeding speeds, while maintaining the stem-pulling roller speed at a relatively low level, reducing harvest losses and increasing harvesting efficiency. Existing loss reduction measures, such as adding cushioning devices or using flexible materials to reduce the force on the ears [28][29][30], improving the shape of the picking plate [31,32] and the structural parameters of the stem-pulling roller [33][34][35][36][37], and implementing stem-pulling roller gap adjustment, can reduce harvest losses to some extent. These measures are highly effective when applied to large corn harvesters, but when used in single-or double-row harvesters in narrow-row corn planting areas, they can significantly reduce harvesting efficiency.…”

Section: Discussionmentioning

confidence: 99%

Design and Experiment of a Harvesting Header for Wide–Narrow-Row Corn

Dong,

Wu,

Liu

et al. 2024

Applied Sciences

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Aiming to solve the problems of the large harvesting loss and low harvesting efficiency of wide- and narrow-row corn harvesting header in China, a method for the side installation of a header is proposed. A wide–narrow-row corn harvesting header with high working efficiency and low harvesting loss was designed. The collision energy balance equation of corn ears was established. The analysis shows that the kinetic energy change before and after the collision between the ear and the picking plate is the main cause of the shedding of and damage to corn kernels. Based on this, the main structural parameters of the corn harvesting header were designed. Based on the principle of Box–Behnken test, the response surface test was designed. The effects of the plant feeding speed, feeding angle, and rotation speed of a stem pulling roller on harvesting performance were analyzed. The best combination of working parameters was determined: The plant feeding speed was 1.08 m/s, the feeding angle was 52.46°, and the rotation speed of the stem pulling roller was 835.25 r/min. At this time, the grain damage rate was 1.09% and the grain loss rate was 0.14%. The corresponding parameters are verified by experiments. The results show that the grain damage rate was 1.12% and the grain loss rate was 0.14%. The optimization results are essentially consistent with the verification results, which meet the requirements of corn harvesting performance.

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