1.太原科技大学 机械工程学院, 山西 太原 030024
燕碧娟(1975— ),女,山西芮城人,工学博士,教授,主要研究方向为工程车辆振动与噪声的阻尼控制。
梁慧君(1995— ),男,山西平遥人,硕士研究生,主要研究方向为工程车辆多维减振降噪控制。
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燕碧娟,梁慧君,李占龙等.不同安装位置下3-RPS工程车辆座椅多维减振分析[J].机械传动,2020,44(03):124-130.
Yan Bijuan Liang Huijun Li Zhanlong Zhang Wenjun.Multi-dimensional Vibration Reduction Analysis of Construction Vehicle Seat with 3-RPS Mechanism Under Different Installation Position[J].Journal of Mechanical Transmission,2020,44(03):124-130.
燕碧娟,梁慧君,李占龙等.不同安装位置下3-RPS工程车辆座椅多维减振分析[J].机械传动,2020,44(03):124-130. DOI: 10.16578/j.issn.1004.2539.2020.03.020.
Yan Bijuan Liang Huijun Li Zhanlong Zhang Wenjun.Multi-dimensional Vibration Reduction Analysis of Construction Vehicle Seat with 3-RPS Mechanism Under Different Installation Position[J].Journal of Mechanical Transmission,2020,44(03):124-130. DOI: 10.16578/j.issn.1004.2539.2020.03.020.
工程车辆长期在非路面上行驶、作业,在多个方向上极易产生剧烈振动。针对该问题,在对比分析多种并联机构基础上,提出了一种3-RPS并联式座椅机构。利用单开链理论并结合UG仿真,验证了其“一平两转”运动状态,并利用D-H矩阵,对座椅机构运动学位姿正解模型进行了分析。考虑到支链的安装位置不同会产生不同的减振效果,重点在Adams软件中建立了座椅机构模型,针对4种不同安装位置对座椅模型进行减振性能仿真与分析。研究表明,该座椅机构具有良好的减振性能。支链安装在轴线上,则该方向的减振效果优于其他位置,且3条支链呈120°均布安装,减振效果要优于其他安装方式。该研究结果可为不同工作环境下工程车辆并联座椅的安装提供参考依据,对提高工程车辆舒适性、安全性具有重要意义。
The construction vehicles runs and works on the off-road for a long time, and it is easy to produce violent vibration in many directions. To solve this problem, a 3-RPS parallel seat mechanism is proposed based on the comparative analysis of multiple parallel mechanisms. The single-open-chain theory and UG simulation are used to verify its "one flat and two turns" motion state. And the D-H matrix is used to analyze the positive pose model of seat mechanism motion. The seat mechanism model is established in Adams software, and the vibration damping performance of the seat model is simulated and analyzed for four different installation positions because of considering the different installation positions of the branch chain will produce different vibration damping effects. The research shows that the seat mechanism has good vibration damping performance. Branch chain is installed on the axis, the direction of vibration reduction effect is superior to the other position, and 120° three branches chain installed uniform damping effect is better than other ways. The results of this study can provide reference for the installation of parallel seats in construction vehicles under different working environments. At the same time, it is of great significance to improve the comfort and safety of construction vehicles.
工程车辆 3-RPS座椅悬架 多维减振 安装位置
Construction vehicle3-RPS seat suspensionMulti-dimensional vibration reductionInstallation position
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