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1.太原科技大学 车辆与交通工程学院,太原 030024
2.太原科技大学 机械工程学院,太原 030024
袁媛,女,1982年生,河南濮阳人,博士,副教授;主要研究方向为物流装备及物流系统设计;365119348@qq.com。
寇俊雄(通信作者),男,1997年生,山西临汾人,在读硕士研究生;主要研究方向为带式输送机动态特性分析;2233829340@qq.com。
收稿:2024-09-09,
纸质出版:2026-01-15
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袁媛,寇俊雄,周利东. 长距离带式输送机新型起动曲线及其动态特性分析[J]. 机械传动,2026,50(1):155-162.
YUAN Yuan,KOU Junxiong,ZHOU Lidong. Analysis of new starting curve and dynamic characteristics of long-distance belt conveyors[J]. Journal of Mechanical Transmission,2026,50(1):155-162.
袁媛,寇俊雄,周利东. 长距离带式输送机新型起动曲线及其动态特性分析[J]. 机械传动,2026,50(1):155-162. DOI: 10.16578/j.issn.1004.2539.2026.01.019.
YUAN Yuan,KOU Junxiong,ZHOU Lidong. Analysis of new starting curve and dynamic characteristics of long-distance belt conveyors[J]. Journal of Mechanical Transmission,2026,50(1):155-162. DOI: 10.16578/j.issn.1004.2539.2026.01.019.
目的
2
针对长距离带式输送机起动过程中的纵向振动问题,基于输送带黏弹特性分析,构建了带式输送机的动力学方程。以实际工程中的长距离带式输送机为例,利用AMESim平台搭建了动力学仿真模型,旨在探究起动过程中的加速度曲线及最佳加载时间。
方法
2
首先,分析了常见起动曲线对输送带动张力的影响,提出一种“正弦+抛物线”的新型组合起动曲线;其次,通过引入爬行段和调整预起动阶段的速度,对该曲线进行了优化;最后,对比分析了不同加载时间下输送带的张力变化规律。
结果
2
结果表明,在起动过程中采用优化后的“正弦+抛物线”组合起动曲线后,输送带产生的最大张力值较常用的正弦加速度曲线降低了5.8%;在系统稳定运行后加载物料,可有效降低输送带受到的张力冲击,从而延长设备使用寿命。
Objective
2
To address the longitudinal vibration of long-distance belt conveyors during starting
the dynamic equations of the belt conveyor were established based on the analysis of the viscoelastic properties of the conveyor belt. Taking a practical long-distance belt conveyor as an example
a dynamic simulation model was constructed using AMESim software to study the starting acceleration curve and loading time.
Methods
2
The effects of common starting curves on the dynamic tension of the conveyor belt were analyzed
and a new combined starting curve (sine+parabolic) was proposed. The curve was optimized by introducing a creep phase and adjusting the pre-starting speed. The tension variations under different loading times were then analyzed.
Results
2
The results show that the optimized sine and parabolic starting curve reduces the maximum tension of the conveyor belt by 5.8% compared with the commonly used sine acceleration curve. Furthermore
loading materials after stable operation effectively reduces the tension impact and extends the service life of the conveyor belt.
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