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工程设计学报
Chin J Eng Design  2022, Vol. 29 Issue (2): 212-219    DOI: 10.3785/j.issn.1006-754X.2022.00.017
Modeling, Simulation, Analysis and Decision     
Dynamic characteristic analysis of synchronous belt transmission elevator for automatic production line
Xue-jun WANG(),Jiang-hua PU,Ming-fang CHEN()
Faculty of Mechanical and Electrical Engineering，Kunming University of Science and Technology，Kunming 650500，China
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Abstract  

Traditional elevators mostly adopt chain transmission and steel wire rope transmission, which has the problem of large space occupation, poor operation stability, high noise and large amount of maintenance.Based on the functional requirements of display automation production line and according to its process requirements, a multi-input and multi-output elevator with reversing load transfer device and transverse load transfer function driven by synchronous belt was designed.On this basis, the rigid-flexible coupling model of the elevator was established based on multi-body dynamics theory. ADAMS (automatic dynamic analysis of mechanical systems) software was used to simulate and analyze the dynamic characteristic of the elevator, and study the operation stability of the synchronous belt transmission system and the pallet.The results showed that the designed synchronous belt transmission mechanism could meet the functional requirements of multi-input and multi-output of the display automatic production line, and the running stability was better;the running speed error of the pallet was less than 1%, the cumulative position error was less than 7 mm, and the higher positioning accuracy could be obtained; the guiding device couldoffset the load torque, so that the transmission was stable, and ensure the stability of the counterweight and the pallet in the lifting process. The research results provide a certain theoretical reference for the good application of synchronous belt transmission elevator in automatic production line.

Key words： elevator      synchronous belt drive      rigid-flexible coupling model      dynamic characteristic     
Received: 31 January 2020      Published: 06 May 2022
CLC:  TH 11  
Corresponding Authors: Ming-fang CHEN     E-mail: km_wxj@kust.edu.cn;mfchen111@sina.com
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Xue-jun WANG
Jiang-hua PU
Ming-fang CHEN
Cite this article:

Xue-jun WANG,Jiang-hua PU,Ming-fang CHEN. Dynamic characteristic analysis of synchronous belt transmission elevator for automatic production line. Chin J Eng Design, 2022, 29(2): 212-219.

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https://www.zjujournals.com/gcsjxb/10.3785/j.issn.1006-754X.2022.00.017     OR     https://www.zjujournals.com/gcsjxb/Y2022/V29/I2/212


自动化生产线用同步带传动升降机的动态特性分析

传统升降机多采用链传动和钢丝绳传动的方式，存在占用空间大、运行平稳性差、噪声大和维修保养量大等问题。以显示器自动化生产线的功能需求为背景，根据其工艺要求，设计了一种采用同步带传动的具有换向移载装置和横向移载功能的多进多出型升降机。在此基础上，基于多体动力学理论构建了升降机刚柔耦合模型，利用ADAMS （automatic dynamic analysis of mechanical systems，机械系统动力学自动分析）软件对升降机的动态特性进行仿真分析，对同步带传动系统和载货台的运行稳定性进行研究。结果表明：所设计的同步带传动机构能够满足显示器自动化生产线多进多出的功能需求，且运行平稳性较好；载货台的位置累积误差小于7 mm，运行速度误差小于1%，可以获得较高的定位精度；导向装置在传动过程中能抵消负载力矩，使传动平稳，保证了配重和载货台在升降过程中的稳定性。研究结果为同步带传动升降机在自动化生产线中的良好应用提供了一定的理论参考依据。


关键词： 升降机,  同步带传动,  刚柔耦合模型,  动态特性 
Fig.1 Schematic of display transportation
Fig.2 Elevator structure
Fig.3 Schematic of layout of display automation production line
Fig.4 Nonlinear spring damping contact collision model
Fig.5 Schematic of contact between rigid belt element and pulley
Fig.6 Rigid-flexible coupling virtual prototype model of elevator
Fig.7 Rotate speed of driving wheel and driven wheel of synchronous belt transmission system
Fig.8 Dynamic characteristic curve of synchronous belt transmission system
Fig.9 Dynamic characteristic curve of pallet
Fig.10 Contact force curve of guide wheel
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