Design of a Buffered Longitudinal Vibratory Picking Mechanism for Berry Shrub Fruits

IF 1.4 4区农林科学 Q3 AGRICULTURAL ENGINEERING

Transactions of the ASABE Pub Date : 2021-01-01 DOI:10.13031/trans.14119

Jiayao Chen, Ying Wang, Dongtai Liang, Wenhao Xu, Yang Chen

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引用次数: 1

Abstract

HighlightsA spring buffering system was added to a longitudinal vibration picking mechanism for berry shrub fruits.Vibration models of the picking part and side branch were established to obtain the vibration relationship.Blueberry picking experiments were conducted to verify the performance of the picking mechanism.Abstract. Current berry shrub picking mechanisms are generally rigid structures, which can easily cause the mechanism to jam and produce rigid impacts, damaging the berry shrub branches. In view of this situation, a longitudinal vibratory picking mechanism for berry shrub fruits is proposed in this study with a spring system added to provide a buffering effect. Vibration models were established for the picking part and for the berry shrub side branch, and analysis was performed to obtain the vibration relationships. Using blueberry as an example, suitable parameters were determined through calculation and then used in blueberry picking experiments with a prototype of the picking mechanism. The experiments verified that the vibration frequency calculated with the vibration relationships can meet the requirements for picking, and the performance of the longitudinal vibratory picking mechanism for berry shrub fruits was verified. Keywords: Berry shrub picking, Buffer, Longitudinal vibration, Vibration analysis.

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浆果灌木果实缓冲纵向振动采摘机构设计

在浆果灌木果实的纵向振动采摘机构中增加了弹簧缓冲系统。建立了采采部和侧支的振动模型，得到了采采部和侧支的振动关系。为验证该采摘机制的性能，进行了蓝莓采摘实验。目前浆果灌木采摘机构一般为刚性结构，容易造成采摘机构卡死，产生刚性冲击，破坏浆果灌木枝条。针对这种情况，本研究提出了一种浆果灌木果实纵向振动采摘机制，并增加了弹簧系统以提供缓冲作用。建立了浆果灌木采摘部分和侧枝的振动模型，并对振动关系进行了分析。以蓝莓为例，通过计算确定了适宜的采摘参数，并制作了采摘机构样机，进行了蓝莓采摘试验。实验验证了根据振动关系计算的振动频率能够满足采摘要求，验证了纵向振动采摘机构对浆果灌木果实的性能。关键词:浆果灌木采摘;缓冲;纵向振动;

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来源期刊

Transactions of the ASABE AGRICULTURAL ENGINEERING-

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： This peer-reviewed journal publishes research that advances the engineering of agricultural, food, and biological systems. Submissions must include original data, analysis or design, or synthesis of existing information; research information for the improvement of education, design, construction, or manufacturing practice; or significant and convincing evidence that confirms and strengthens the findings of others or that revises ideas or challenges accepted theory.