Banana cluster finger vibration damage simulation structure and construction method and verification method thereof

Abstract

The invention discloses a banana cluster finger vibration damage simulation structure and a construction method and a verification method thereof; the method comprises the steps: segmenting a complex banana cluster into a plurality of parts, separating an irregular finger into two parts with different densities and volumes according to the particularity of the banana finger, constructing a heterogeneous mass block, and carrying out the verification of the vibration damage of the banana cluster finger; further constructing a banana cluster finger vibration damage simulation structure consisting of a flexible rod, a rigid block body, a rigid rod and a heterogeneous mass block body. According to the invention, constraint and the position of an excitation opening are added on the flexible rod according to needs, vibration excitation of a specific rule is input into the excitation opening, excitation input of a banana cluster complex structure and simulation analysis of fruit finger vibration damage are achieved, and a reliable simulation scheme is provided for a fruit simulation model which is irregular and large in fruit peel mass ratio.

Description

technical field [0001] The invention relates to the technical field of agricultural equipment and simulation analysis, in particular to a vibration damage simulation structure of banana ears and fingers, a construction method and a verification method thereof. Background technique [0002] During the production of bananas, manual or mechanized field transportation is often carried out by clamping the main shaft of the ear during transportation. The difference between these two transportation methods is that in human transportation, the clamp clamps or hooks the upper end of the banana fruit shaft, and human power is used to carry out shoulder-pick and walking transportation. Therefore, due to the effect of human walking, the banana ears will swing according to certain rules. Banana fruit shafts suffer from fatigue damage. With the use of banana trucks, robots and other mechanical transportation, the banana ears are generally completely fixed to the frame. Due to the acceler...

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Problems solved by technology

The difference between these two transportation methods is that in human transportation, the clamp clamps or hooks the upper end of the banana fruit shaft, and human power is used to carry out the shoulder-pick walking transportation. Therefore, due to the effect of the human walking mode, the banana ears will swing according to certain rules. Fatigue damage to banana fruit shafts

With the use of banana trucks, robots and other mechanical transportation, the banana ears are generally completely fixed to the frame. Due to the acceleration and deceleration of the mechanical structure, the track is not smooth, and the connection problem will cause the banana ears and the frame to vibrate in the horizontal and vertical directions. Long-term vibration can cause damage to the banana fruit fingers

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