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Study On The Efficiency Of The Digging ProcessUsing The Model Of Excavator Bucket

机译：用挖掘机铲斗模型研究挖掘过程的效率

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In this paper a new experimental program of laboratory tests was presented,rnperformed for replicate digging tests, for which the soil free boundary before and after thernexperiment were similar. Assuming, that the whole excavation task consists of several replicaterncycles the optimization of the single cycle plays significant role in the energetical efficiency ofrnthe whole earth-working task. In order to investigate this efficiency several trajectory parametersrnwere used, such as: the slope inclination, the inclination of the initial phase of trajectory, the toolrninclination and others. In this experimental program the model of the K-111 Waryński excavatorrnbucket without teeth was used. The optimal trajectory parameters were found for the particularrnsoil and the bucket.rnIn the second part of this paper the model tool equipped with teeth was used. The experimentalrnverification of the influence of teeth (number of teeth, position of teeth on the bucket’s inside lip)rnon the efficiency of the digging cycle was the aim of this part. Considering energy consumptionrnthe usage of teeth for sandy clay turned out to be inefficient comparing with the tool obeyingrninside lip without teeth, especially for the initial part of the digging process.
机译：本文提出了一种新的实验室测试实验程序，该程序适用于重复挖掘测试，其实验前后的土壤自由边界相似。假设整个挖掘工作由多个重复周期组成，则单个周期的优化对整个土方工作的能量效率起着重要作用。为了研究这种效率，使用了几个轨迹参数，例如：倾斜度，轨迹初始阶段的倾斜度，工具倾角等。在此实验程序中，使用了无齿的K-111Waryński挖掘机铲斗模型。找到了特定土壤和铲斗的最佳轨迹参数。在本文的第二部分中，使用了带有齿的模型工具。本部分旨在通过实验验证齿的影响（齿数，齿在铲斗内唇上的位置）以及挖掘周期的效率。考虑到能源消耗，与不带齿的工具相比，使用砂土的牙齿的效率低下，尤其是在挖掘过程的最初阶段。

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