Overview of Research on Anti-adhesion and Desorption Technology of Soil-contact Construction Equipment
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摘要:
触土类机械设备在面向土类介质作业时易发生机具黏附问题,特别是以旋挖钻机为典型代表的密闭空间施工作业装置,其作业具有介质含水量大、成分复杂和高压力等特征,导致土类介质对机具黏附尤为严重。介绍了触土类机械设备作业机具土壤黏附机理及影响因素,详细描述了国内外触土类机械设备作业装置减黏脱附的研究进展,并对触土类机械设备减黏脱附研究进行了展望。
Abstract:Soil-contact machinery and equipment are susceptible to soil adhesion problems when working with soil media, especially in confined space construction operation device, which is typically represented by rotary drilling rigs, whose operation is characterized by large water content of media, complex composition and high pressure, resulting in particularly serious adhesion of soil media to tools.Mechanism of soil adhesion and factors affecting soil adhesion of soil-contact mechanical equipment operating machines was introduced.Research progress of anti-adhesion and desorption technology of soil-contact machinery and equipment at home and abroad was elaborated, and an outlook on research of anti-adhesion and desorption technology of soil-contact machinery and equipment was given.
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表 1 减黏技术特征对比
Table 1. Comparison of technical characteristics of viscosity reduction
减黏技术 减黏方式 工艺特性 操控特性 使用寿命 减黏效果 机械减黏 振动式减黏 简单 良好 中等 一般 加压式减黏 复杂 良好 一般 一般 加热式减黏 中等 中等 一般 一般 表面工程减黏 表面改性 简单 中等 一般 良好 表面改形 中等 优异 中等 中等 仿生减黏 结构仿生 中等 优异 中等 较佳 功能仿生 复杂 中等 优异 较佳 耦合仿生 复杂 中等 优异 最佳 -
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