沙滩清洁车振动筛物料颗粒动力学理论分析研究

Theoretical analysis of material particle dynamics of vibrating screen for beach cleaning vehicle

沙滩清洁车的振动筛分机构对于提高沙滩清洁车垃圾处理能力与效果具有重要的现实意义。本文以沙滩清洁车筛分机构为研究对象,首先对筛面沙土运动进行理论计算,分析沙土正、反向滑动运动和抛掷运动的条件和影响因素,之后就振动筛分机构出现的大质量物体短时滞留、部分垃圾相对筛面静止或反向滑动等不良工况进行了理论分析,找出相关原因并提出了相应的解决办法。本研究可为沙滩清洁车筛分机构的运动控制以及样机研制提供理论依据。

The vibrating screening mechanism of beach cleaning vehicle is of great practical significance to improve the garbage disposal capacity and effect of beach cleaning vehicle.Firstly,the theoretical calculation of the sand motion on the screen surface is carried out,and the conditions and influencing factors of the forward and reverse sliding motion and throwing motion of sand are analyzed.And then,the theory analysis is carried out to analyze the bad conditions such as the short-term retention of large mass objects and the static or reverse sliding of some garbage relative to the screen surface.The relevant reasons are found out and the corresponding solutions are put forward.This study can provide a theoretical basis for the motion control of the screening mechanism and prototype development of beach cleaning vehicle.