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1.齐齐哈尔大学 机电工程学院, 黑龙江 齐齐哈尔 161006
2.齐重数控装备股份有限公司, 黑龙江 齐齐哈尔 161003
3.齐齐哈尔大学 黑龙江省智能制造装备产业化协同创新中心, 黑龙江 齐齐哈尔 161006
胡清明(1985— ),男,江西遂川人,副教授,硕士研究生导师;研究方向为现代机械传动系统设计与多体动力学分析;huqingming1267@126.com。
纸质出版日期:2023-07-15,
收稿日期:2022-05-08,
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胡清明,杨铭,孙丹丹等.油菜基质块苗移栽机传动机构动力学仿真分析[J].机械传动,2023,47(07):113-118.
Hu Qingming,Yang Ming,Sun Dandan,et al.Dynamic Simulation Analysis of the Transmission Mechanism of Rape Matrix Seedling Transplanter[J].Journal of Mechanical Transmission,2023,47(07):113-118.
胡清明,杨铭,孙丹丹等.油菜基质块苗移栽机传动机构动力学仿真分析[J].机械传动,2023,47(07):113-118. DOI: 10.16578/j.issn.1004.2539.2023.07.016.
Hu Qingming,Yang Ming,Sun Dandan,et al.Dynamic Simulation Analysis of the Transmission Mechanism of Rape Matrix Seedling Transplanter[J].Journal of Mechanical Transmission,2023,47(07):113-118. DOI: 10.16578/j.issn.1004.2539.2023.07.016.
同步带传动是移栽机传动机构的主要传动形式。基于传统梯形齿形的移栽机传动机构在分苗过程中稳定性较低,易产生跳齿、脱齿不良现象。采用刚柔耦合多体动力学仿真方法,建立分苗装置传动机构虚拟样机模型,对同步带周期性动载应力变化规律、横向振动及传动误差进行了动力学特性分析。结果表明,高齿圆弧齿同步带(Straight-Toothed Synchronous Belt,STSB)相较于高转矩(High Torque Drive,HTD)圆弧齿及传统梯形齿同步带,应力分布更均匀,最小应力值为59.16 N/mm
2
,横向振动幅值最小为33 mm,传动误差小,传动平稳。研究可为移栽机传动机构动力学仿真与齿形优化提供参考。
The synchronous belt drive is the main drive form of the driving mechanism of the transplanter. Based on the low stability of the traditional trapezoidal tooth-shaped driving mechanism of the transplanter during seedling separation
it is easy to cause bad tooth skipping and tooth disengaging. A virtual prototype model of the seedling separation device driving mechanism is established by the rigid-flexible coupling multi-body dynamic simulation method to analyze the dynamic characteristics of periodic dynamic load stress variation
transverse vibration
and transmission error of the synchronous belt. The results show that the stress distribution of the straight-toothed synchronous belt (STSB) is more uniform than that of the high torque drive (HTD) and the traditional trapezoidal toothed synchronous belt. The minimum stress value is 59.16 N/mm
2
and the minimum amplitude of transverse vibration is 33 mm. The transmission error is small
and the transmission is smooth. It provides reference for dynamic simulation and tooth profile optimization of the driving mechanism of the transplanter.
动力学特性齿形齿廓STSB
Dynamic characteristicTooth profileSTSB
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