基于拉拽牵引的平面铲板土壤切削试验

发布时间：2018-02-21 03:02

本文关键词： 土壤切削平面铲板切削倾角切削阻力切削深度　出处：《吉林农业大学学报》2016年02期 　论文类型：期刊论文

【摘要】：试验装置对土壤切削试验研究至关重要,但目前研究采用的相关试验装置具有自重较大、结构复杂、移动不便等缺点。为了方便开展重复试验并提高试验结果对比的准确性,对切削试验装置进行了优化,设计了一种以拉拽牵引方式作业的土壤切削试验装置;采用该试验装置进行了土壤切削试验,试验以平面铲板为切削工具,以级配土为切削介质,对5种不同切削倾角的铲板和4种切削深度进行了组合,共测试了20种不同切削条件下平面铲板的切削阻力;对试验结果进行了对比分析,得到了切削阻力在不同切削倾角下随切削深度以及不同切削深度下随切削倾角的变化规律。最后,对土壤切削的稳定性进行了讨论。
[Abstract]:The experimental device is very important to the soil cutting test research, but the relative experimental device used in the present research has the disadvantages of large weight, complex structure and inconvenient movement. In order to facilitate the repeated test and improve the accuracy of the comparison of the test results, In this paper, the cutting test device is optimized, and a soil cutting test device is designed to work by pulling, pulling and traction, and the soil cutting test is carried out by using the test device, the flat shovel plate is used as cutting tool, and the gradation soil is used as cutting medium. In this paper, the cutting resistance of the flat shovel plate under 20 different cutting conditions has been tested by combining 5 kinds of spade plates with different cutting inclination angles and 4 cutting depths, and the experimental results have been compared and analyzed. The variation of cutting resistance with cutting depth under different cutting inclination angle and with cutting dip angle under different cutting depth is obtained. Finally, the stability of soil cutting is discussed.
【作者单位】：长安大学道路施工技术与装备教育部重点实验室;西安特种设备检验检测院;
【基金】：国家科技支撑计划项目(2015BAF07B02)
【分类号】：S22;S152.9

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