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工程设计学报
工程设计学报  2018, Vol. 25 Issue (4): 488-494    DOI: 10.3785/j.issn.1006-754X.2018.04.017
整机和系统设计     
履带牵引式换带装置液压系统动态特性研究
王松岩1,2, 李超宇1,2, 徐浩1,2
1. 太原理工大学 机械工程学院, 山西 太原 030024;
2. 山西省矿山流体控制工程技术研究中心, 山西 太原 030024
Research on hydraulic system dynamic characteristics of crawler traction tape replacing device
WANG Song-yan1,2, LI Chao-yu1,2, XU Hao1,2
1. College of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
2. Shanxi Provincial Engineering Research Center for Mine Fluid Control Technology, Taiyuan 030024, China
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摘要：

履带牵引式换带装置是一种矿井带式输送机胶带更换装置，为了解其液压系统的动态特性，应用Automation Studio软件对换带装置液压系统进行建模与仿真。在换带装置拉带速度仿真分析中，获得了在30，35，40，45，50 mL/r排量下液压马达的输入流量、转速仿真曲线以及履带底盘的拉带速度。通过对换带装置夹带速度的仿真，说明其液压缸夹紧与松开的时间差异并分析其原因。防溜带机构夹带速度的仿真表明该机构可在0.2 s内夹紧胶带。工业性试验中通过PLC（programmable logic controller，可编程逻辑控制器）采集现场液压系统压力并和仿真压力对比分析。夹带恒压自适应调节保证了在胶带厚度变化的情况下系统压力仍然能保持稳定。自动锁带油缸压力迅速变化确保了胶带更换作业安全进行。结果表明该装置系统响应速度较快，性能稳定，为履带牵引式换带装置的动力和安全性能提供了保障。
关键词： 履带牵引;  胶带更换;  恒压调节;  液压系统;  Automation Studio    
Abstract:

Crawler traction tape replacing device is a new type of belt replacing device for mine belt conveyors. The hydraulic system of crawler traction replacing device was designed and simulated by using Automation Studio software in order to understand its dynamic characteristics. After the simulation and the analysis of the drawing speed of the tape replacing device, the input flow curve, speed curve of the hydraulic motor and the drawing speed of the crawler chassis were obtained with displacement of 30, 35, 40, 45, 50 mL/r. Through the simulation of the entrainment speed of the tape replacing device, the time difference between the clamping and releasing of the hydraulic cylinder was explained and the reason was analyzed. The simulation of the entrainment speed of the anti-roll mechanism showed that the mechanism could clamp the tape within 0.2 s. In the industrial test, the pressure of the on-site hydraulic system was collected by PLC (programmable logic controller) and compared with the simulation pressure. Entrainment with constant pressure self-adjusting ensured that the system pressure remained stable even if the tape thickness was changed. Automatic lock cylinder pressure changed quickly to ensure safe tape replacement. The results show that the device has a fast response speed and stable performance, which provide a guarantee for the power and safety performance of the crawler traction tape replacing device.
Key words: crawler traction    tape replacement    constant pressure regulation    hydraulic system    Automation Studio
收稿日期: 2018-04-02 出版日期: 2018-08-28
CLC:  TD528  
基金资助:

山西省重点研发计划资助项目（201603D121001-0）
作者简介: 王松岩(1992-),男,山西忻州人,硕士生,从事液压技术研究,E-mail:wsy1816314833@126.com,https://orcid.org/0000-0002-8138-2375
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引用本文:

王松岩, 李超宇, 徐浩. 履带牵引式换带装置液压系统动态特性研究[J]. 工程设计学报, 2018, 25(4): 488-494.

WANG Song-yan, LI Chao-yu, XU Hao. Research on hydraulic system dynamic characteristics of crawler traction tape replacing device[J]. Chinese Journal of Engineering Design, 2018, 25(4): 488-494.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2018.04.017    或    https://www.zjujournals.com/gcsjxb/CN/Y2018/V25/I4/488

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