| To meet the construction requirements of Expressways and high speed railway in China, and to produce long-track-laying machine by China,after comparsion with machines from both home and abroad, based on contract with railway department (code 2003G09-A)We have conducted the research of CPG500 long-track-laying machine and the construction technology according to the detailed and specific railway condition of our country.In the paper, it discussed the long-track-laying machine research scheme and principle genarly , and details for long-track-laying machine 's key technology and corresponding measurements ,as well as efficiency targets, and so on. The paper aslo introduced long-track-laying machine construction process ,and comprared it with advanced long-track-laying machines from other countries in detail; and then discussed long-track-laying machine's main machine,include work part car, assistant power car, sleepers transport and lay parts, power and brake system, electric control system. The paper disscussed and studied all the above 's work principle and structure. It also paid attention to car gantry crane 'work principle and structure,expecially to emphasize its move and work control system, include manual control, auto-posioning, work monitor and safety measurements. Later the paper carry through computation and verified that it meet requirement of all the criterion.The long-track-laying machine design and manufacture based on mature and reliaility principle ,and it also possessed advanced , ecnomic, efficiency, safety technology characters and merits,and pointed out that during the long-track-laying machine design and manufacture process we must pay the follow attentions:1 deal good relation with advancement and reliability as well as efficiency.2 long-track-laying machine design and manufacture should concern with field construcion and maintainece.3 pay attention to efficiency price ratio during long-track-laying machine design and manufacture process.
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