铁路信号英语论文

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Summary With the development of railway technology , train speed and its carrying capacity hvae great increased ,High requirement of safeguarding of train movement is proposed in order to ensure train safety and its open and There are many technologial means of ensuring normal train movement， among which ,track circuit is one of the most important （1**）， ZPW-2000 ，as a non-insulation frequency shift automatic block system ，is by far the most advanced non- insulation automatic block one （2** It will exert role in technique development policy in our railway where cab signaling is proposed as the main running HeFei- NanJing High-speed Railway is an important part of our country' s expressway net which is the first passenger rail line in our country This paper mainly and systematically demonstrates composition and principle of ZPW- 2000 non-insulation track circuit system and simply explains the knowledge about (a) (3**)equipment layout of each equipment cabinet in region, (b) zero-layer wire running and so on This design is based on the design specifications in railway signalling together with the specific circumstance of MaChang railway Automatic block and the turnout N18 are used in the station to meet the requirement of picking up train speed The aim of this engineer design is ,by studying and then mastering AUTO CAD , to (A)(4**)accomplish the Engineering drawing of MaChang station in HeFei- NanJing line, including (a) the layout drawing of station and railway section signals ,(b)indoor equipment layout ,(c)track circuit diagram of the station and the railway section ,(d)signal display and coding order schedule, and (e) layout and wiring diagrams to each equipment cabinet，and to（B) (5**)be able to master (a)how to change the collection of the directional relay in station and train section,(b)driver design,and (c) how to make a calculation and configuration of the compensation capacitor In this paper, we first introduce the development situation and research significance of frequency shift automatic block at home and abroad ;secondly expound the engineering design from the whole to the local combining with the design drawing, and determine the overall design program combining with the layout plan of the station and train section ; then make a general layout of the whole indoor equipments ; and then design the structure and function of the track circuit in train sections and instation ; and finally give a simple explanation of wiring layout of each equipment 注释：（1** ----5**）是语法结构的联系（有省略，有指代词，有并列等）， （a, b, c, d ),等是并列语法成分的联系符号，如果能够看懂，就把这些所有括号内的字母或数字符号去掉不看而直接根据原文的结构正确理解即可，即完全不需要上述的提示。