| 电液比例技术在DF900D型架桥机上的应用 |
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| 引用本文： | 张红军,魏永辰,陈浩.电液比例技术在DF900D型架桥机上的应用[J].工程机械,2008,39(11). |
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| 作者姓名： | 张红军 魏永辰 陈浩 |
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| 作者单位： | 郑州大方桥梁机械有限公司 |
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| 摘 要： | DF900D型导梁式定点起吊架桥机是针对中国高速铁路建设的需要,自主研制开发的具有自主知识产权的大型特种起重设备.整机结构形式新颖,吊运吨位大.其中吊梁天车的调整落梁过程成功地应用了电液比例控制技术,由微电系统来控制、协调和实现落梁的功能,其机械化和自动化程度高,落梁对位精确,是机-电-液-控技术在架桥机上的首次应用.重点介绍电液比例技术在天车调整落梁上的设计思路.
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| 关 键 词： | 电液比例控制 架桥机 高速铁路 液压系统 |
Application of Electro-hydraulic Proportional Technology to Model DF900D Bridge Erector |
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| Zhang Hongjun,Wei Yongchen,Chen Jie.Application of Electro-hydraulic Proportional Technology to Model DF900D Bridge Erector[J].Construction Machinery and Equipment,2008,39(11). |
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| Authors: | Zhang Hongjun Wei Yongchen Chen Jie |
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| Abstract: | Model DF900D pilot-girder positioned handling bridge erector is a kind of large-size special equipment self-developed and with autonomous intellectual property aiming at the construction demand in Chinese express railways. It presents a new structural type and large carrying tonnage. In the adjustment and beam laying operation of beam carrying trolley, electro-hydraulic proportional technology is successfully applied. The beam laying function is implemented via control and coordination of a micro-electric s... |
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| Keywords: | Electro-hydraulic proportional control Bridge erector Express railway Hydraulic system |
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