Dynamic Analysis on the Transmission Gear System of the Cutter Head Main Drive of Large Shield Machines

Deng Shuzhi; Xu Lixin; Du Zhengzhu; Long Bin; Su Cuixia

doi:10.16578/j.issn.1004.2539.2022.12.006

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Dynamic Analysis on the Transmission Gear System of the Cutter Head Main Drive of Large Shield Machines

Theory·Research | 更新时间：2023-01-06

- Dynamic Analysis on the Transmission Gear System of the Cutter Head Main Drive of Large Shield Machines
- Journal of Mechanical Transmission Vol. 46, Issue 12, Pages: 38-44(2022)
- 作者机构：
  
  1.重庆大学机械与运载工程学院，重庆 400044
  2.重庆大学机械传动国家重点实验室，重庆 400044
  3.中国铁建重工集团股份有限公司，湖南长沙 410100
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.12.006
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邓述职,许立新,杜正柱等.大型盾构机刀盘主驱动传动齿轮系统动力学分析[J].机械传动,2022,46(12):38-44.

Deng Shuzhi,Xu Lixin,Du Zhengzhu,et al.Dynamic Analysis on the Transmission Gear System of the Cutter Head Main Drive of Large Shield Machines[J].Journal of Mechanical Transmission,2022,46(12):38-44.
邓述职,许立新,杜正柱等.大型盾构机刀盘主驱动传动齿轮系统动力学分析[J].机械传动,2022,46(12):38-44. DOI： 10.16578/j.issn.1004.2539.2022.12.006.

Deng Shuzhi,Xu Lixin,Du Zhengzhu,et al.Dynamic Analysis on the Transmission Gear System of the Cutter Head Main Drive of Large Shield Machines[J].Journal of Mechanical Transmission,2022,46(12):38-44. DOI： 10.16578/j.issn.1004.2539.2022.12.006.

摘要

针对直径16 m级大型盾构机主驱动传动齿轮系统，为了探明真实掘进工况载荷下多源（含16组动力源）并行驱动传动齿轮系统的动力学特性，采用集中参数法建立大型盾构机主驱动传动齿轮系统68自由度弯扭耦合等效动力学模型。考虑轮齿时变啮合刚度、齿轮传动误差以及齿侧间隙等非线性因素影响，分析了实际掘进工况多源驱动转矩作用下的传动系统时频动态响应特性。研究结果表明，系统的振动频率成分主要为齿轮啮合频率及其倍频，动态啮合力的最大幅值均发生在相应啮合频率的倍频处，齿轮振动及其啮合力幅值变化受液压马达输入转矩波动影响明显。

Abstract

Aiming at the transmission gear system of the head main drive of large shield machines with a diameter of 16 m and in order to explore the dynamic characteristics of the multiple sources parallel drive transmission gear system (including 16 groups of power sources) under real driving conditions, an equivalent dynamic model of 68 DOF bending-torsional coupling of the main drive gear system of the large scale shield machine is established using the lumped parameter method. Considering the influence of the nonlinear factors such as time-varying meshing stiffness, gear transmission error and gear clearance, the model analyzes the time-frequency dynamic response characteristics of the transmission system under the action of multi-source driving torque in actual driving conditions. The results show that the vibration frequency of the system mainly consists of gear meshing frequency and its frequency doubling, and the maximum value of dynamic meshing force occurs at the frequency doubling of corresponding meshing frequency. The amplitude of gear vibration and its meshing force are obviously affected by the input torque fluctuation of hydraulic motors.

关键词

大型盾构机刀盘主驱动系统齿轮传动动力学

Keywords

Large shield machineCutter head main drive systemGear transmissionDynamics

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