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首页> 外文会议>International Conference on Fluid Power Transmission and Control(ICFP' 2005); 20050405-08; Hangzhou(CN) >Reliability Design for Coaler Anchorage Device and PLC Control
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Reliability Design for Coaler Anchorage Device and PLC Control

机译：煤er锚固装置的可靠性设计及PLC控制

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摘要

To improve safety of person and device in production, reduce non-working hours and improve production efficiency, the coaler anchorage device to anchor coalers and restrict coalers' random movement along rails is developed for coal unstowing production line of some coaling port in China. The device is a kind of manipulator consisting of four-bar mechanism (parallelogram mechanism), cylinders, sensors and PLC control system to realize automatic connection or detachment, orientation and position lock with hooking device of the coaler. Every part of the device is not higher than base surface of rails, which accords with safety standards of rail traffic. Reliability design is adopted during the design of mechanical part, hydraulic system and PLC (programmable logical controller) control system. The functions of the coaler anchorage device controlled by PLC and principle of the PLC control program are expounded in the article. PLC with high reliability and superior performance is adopted as control computer in the system. Some critical measures are taken in the procedure to ensure system reliability, such as stroke-time joint control and interlock control between local and remote operation, operating buttons. To stroke-time joint control, there two conditions of every step to stop motion, namely, position switches being touched and due delay time. The field operation of the device is well, and the functions designed are realized. The device and corresponding technology can be popularized to be used in such applications as fixation and anchorage of vehicles which moves along railway or roadway.
机译：为了提高生产中人员和设备的安全性，减少非工作时间，提高生产效率，为中国一些出煤港的卸煤生产线开发了一种锚固聚煤器，以限制聚煤器沿轨道的随意移动。该装置是一种由四连杆机构（平行四边形机构），液压缸，传感器和PLC控制系统组成的机械手，通过与煤机的挂钩装置实现自动连接或拆卸，定向和位置锁定。设备的每个部分均不高于导轨的底面，符合铁路交通安全标准。机械零件，液压系统和PLC（可编程逻辑控制器）控制系统的设计均采用可靠性设计。阐述了PLC控制的煤anchor煤锚固装置的功能和PLC控制程序的原理。系统采用高可靠性，高性能的PLC作为控制计算机。在此过程中采取了一些关键措施来确保系统可靠性，例如行程时间联合控制和本地与远程操作之间的互锁控制，操作按钮。对于行程时间联合控制，每一步都有两个条件来停止运动，即，触摸位置开关和适当的延迟时间。设备现场操作良好，实现了设计功能。该装置和相应的技术可以被普及以用于沿着铁路或道路移动的车辆的固定和锚固的应用中。

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