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J4
机械工程     
盾构刀盘驱动扭矩计算模型及实验研究
邢彤1,2,龚国芳1,杨华勇1
(1. 浙江大学 流体传动及控制国家重点实验室,浙江 杭州 310027;
2. 浙江工业大学 教育科学与技术学院, 浙江 杭州 310014)
Torque calculation model of cutting head in shield machine and experimental study
XING Tong1,2,GONG Guo-fang1,YANG Hua-yong1
(1. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China;
2. College of Education and Technology, Zhejiang University of Technology, Hangzhou 310014, China)
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摘要:

在盾构驱动系统设计时,需要研究刀盘扭矩的准确计算模型,以便预测不同土层掘进时的刀盘驱动功率.在分析影响土压平衡盾构刀盘扭矩的因素和盾构刀盘扭矩的组成的基础上,提出了模拟试验盾构刀盘驱动扭矩的计算模型,并建立了AMESim仿真模型.在模拟盾构平台上,试验研究了盾构刀盘驱动扭矩在不同土层的特性以及刀盘扭矩与刀盘开口率的关系,与仿真结果基本一致,验证了扭矩计算模型的正确性并通过修正系数改进了该模型.进一步仿真研究表明,构成土压平衡盾构刀盘扭矩的主要组分是刀盘前表面、圆周面以及刀盘背面上的摩擦力矩,刀盘开口槽的剪切力矩和土仓内的搅动力矩所占比重约为99%.

Abstract:

In designing the power system of shield tunneling machine, a good calculation model is needed to forecast the cutter head torque in different earth layers. A torque calculation model of the cutter head in a test shield tunneling machine was presented based on the analysis of the factors and elements of the cutter head torque of the earth-pressure-balance tunneling machine, and its simulation model was built by AMESim soft. The torque characteristics in different earth layers and its change with different open area ratios of the cutter head were experimentally studied on a simulation shield test-bed and also simulated in the simulation model. The experimental results accorded with the simulation results. The torque calculation model was proved to be correct, and then the model was improved by a coefficient. Simulation shows that the torque mainly consists of the friction torque of the former ,the back and the circle face of the cutter head, and the cut torque of the slot region, the agitate torque in the soil cabin, and they are nearly 99% of the total cutter head torque.

出版日期: 2009-11-29
:  TH 137  
基金资助:

国家杰出青年基金资助项目(50425518);国家"973"重点基础研究规划资助项目 (2007CB714004).

通讯作者: 杨华勇,男,教授,博导.     E-mail: Yhy@sfp.zju.edu.cn
作者简介: 邢彤(1969-),男,吉林长春人,副教授,博士生.从事流体传动与控制技术研究.
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引用本文:

邢彤, 龚国芳, 杨华勇. 盾构刀盘驱动扭矩计算模型及实验研究[J]. J4, 10.3785/j.issn.1008-973X.2009.10.009.

GENG Tong, GONG Guo-Fang, YANG Hua-Yong. Torque calculation model of cutting head in shield machine and experimental study. J4, 10.3785/j.issn.1008-973X.2009.10.009.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2009.10.009        http://www.zjujournals.com/eng/CN/Y2009/V43/I10/1794

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