Study on super-wetting clay soil trafficability of track equipment

HUANG Xuetao; LI Yuqiong; DONG Mingming; LV Weiwei; LI Jiakun

doi:10.37188/OPE.20233105.0719

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Study on super-wetting clay soil trafficability of track equipment

Trafficability evaluation | 更新时间：2023-03-22

- Study on super-wetting clay soil trafficability of track equipment
- Optics and Precision Engineering Vol. 31, Issue 5, Pages: 719-728(2023)
- 作者机构：
  
  1.山东交通学院汽车工程学院，山东济南 250357
  2.中国科学院力学研究所，北京 100190
  3.北京理工大学机械与车辆学院，北京 100081
- 作者简介：
- 基金信息：
- DOI：10.37188/OPE.20233105.0719
  CLC： TU432
- Received：09 June 2022，
  
  Revised：05 July 2022，
  
  Published：10 March 2023
- 稿件说明：
移动端阅览
黄雪涛,李玉琼,董明明等.履带装备超湿黏土壤土地面通过性研究[J].光学精密工程,2023,31(05):719-728.

HUANG Xuetao,LI Yuqiong,DONG Mingming,et al.Study on super-wetting clay soil trafficability of track equipment[J].Optics and Precision Engineering,2023,31(05):719-728.
黄雪涛,李玉琼,董明明等.履带装备超湿黏土壤土地面通过性研究[J].光学精密工程,2023,31(05):719-728. DOI： 10.37188/OPE.20233105.0719.

HUANG Xuetao,LI Yuqiong,DONG Mingming,et al.Study on super-wetting clay soil trafficability of track equipment[J].Optics and Precision Engineering,2023,31(05):719-728. DOI： 10.37188/OPE.20233105.0719.

摘要

本文针对超湿黏土壤土地面履带装备通过性问题，研究了履带装备黏土壤土通过性的评价指标。首先，采集了黏土壤土的土壤样本和地面高程信息，进行了黏土壤土的力学特性实验，获取了土壤力学特性参数，构建了地面不平度功率谱密度函数；其次，结合某履带装备结构参数，构建了履带装备超湿黏土壤土地面通过性仿真模型，以负重轮沉陷量为评价指标，得出负重轮最大沉陷量315.01 mm小于装备离地间隙的结论；研究了履带装备通过性的影响因素，得出了履带装备在超湿黏土壤土上的通过性随装备行驶速度、履带预张紧力、地面等级、土壤黏聚模量的变化规律。本文的研究成果具有较强的工程实践意义，可为履带装备的设计研发和优化升级提供理论指导和技术支撑。

Abstract

To solve the trafficability problem of track equipment on super-wetting clay soil， this study investigates the evaluation indexes of track equipment trafficability on super-wetting clay soil， and suggests revised trafficability rules of the track equipment on super-wetting clay-soil ground using the equipment driving speed， pretension， ground grade， and soil cohesion modulus. First， soil samples of clay soil are collected and the mechanical properties are tested. The parameters of mechanical properties and ground elevation information are thus obtained， and the power spectral density function of ground roughness is developed. Combined with specific structural parameters of the track equipment， this study also constructed a ground trafficability simulation model of track equipment on super-wetting clay soil， and it considered the load wheels’ sinkages as evaluation targets. Based on the results obtained， the maximum settlement of the road wheel is 315.01 mm， which is less than the ground clearance of track equipment. In addition， it analyzed the influencing factors of track-equipment's trafficability and obtained the changing laws of the crawler equipment trafficability on super-wet clay soil using the equipment speed， crawler pretension， ground grade， and soil cohesion modulus. The research results of this paper have good potential for engineering application， and can provide theoretical guidance and technical support for track equipment design and optimization.

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references

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