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含4张CAD图纸 ZY3200 15 35 液压 支架 设计 CAD 图纸

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ZY3200-15-35液压支架设计【含4张CAD图纸】,含4张CAD图纸,ZY3200,15,35,液压,支架,设计,CAD,图纸

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大学学士学位论文摘要本课题主要论述了液压支架的主要设计过程。其中包括：液压支架的选型、总体设计、主要零部件的设计、校核以及液压系统设计。支架的形式为掩护式支架。支架除了要有效的对顶板进行有效支撑，还要实现升、降、推移四个步骤。支架采用四连杆机构，改善支架的受力状况，缩小支架的升降过程中顶梁前端前后移动的距离。立柱采用单伸缩液压缸，前端带有加长杆，以满足支架最低及最高位置时的高度要求。顶梁掩护梁、底座都做成箱体结构用钢板焊接而成。在研制液压支架时，需要对支架进行生产试验和分析研究，确定合理的液压支架受力参数、运动参数和结构参数，以及选定液压支架最佳方案等方面综合性的科学技术问题。本设计主要从支架的工作原理这手，然后进行总体结构设计以及校核。关键词：液压支架；顶梁；底座；立柱；结构设计ABSTRACTThe article mianly elaborate the hydraulic support design for top-caving. includes: the selection of hydraulic pressure support form, system design, main spar part design and examination of hydraulic system designThe support eliminates must realize effectively carries on the strut to the roof, but also must realize ,to fall, to push, move four steps .the support uses four link motion gears, improves the support the stress condition, reduces the support to rise and full the distance which in the process fort end the top-beam around moves. The column uses the list expansion and contraction hydraulic cylinder, front end has legthens the pole, satisfies the support to be lowest and time the highest position high request. The top-beam, shields Liang, the foundation all makes the packed in a box body structure, becomes with the steel plate welding.At research to presses the support, need to carry on produce to experiment and analyze the research, make sure reasonable of liquid presses the support to be subjected to the dint parameter, the sport parameter and the structure parameters, and make selection the liquid to press the synthetic science technique problem of aspect of etc. of the best project of support. This design mainly this hand from the work principle of the support, then carry on the total structure design and school pits.Keyword: Hydraulic pressure support；Top beam；Cradle；the column-type support；structure design目 录摘要IABSTRACT II1绪 论11.1 国内外液压支架的研究现状及发展11.2 本课题的研究目的和意义32液压支架基本理论分析52.1 液压支架的工作原理52.2 液压支架的类型和结构82.3 对液压支架的基本要求92.4支架的选型设计103液压支架的整体结构设计 143.1支架高度、中心距的确定143.2底座长度的确定153.3四连杆机构的设计163.4顶梁长度计算224支架主要部件的设计244.1支架主要部件的设计要求244.2顶梁的设计254.3底座的设计264.4支架技术参数和立柱的设计264.5力柱柱窝位置和受力计算334.6千斤顶技术参数的确定355支架受力分析与计算415.1支架工作状态415.2受力计算425.3顶梁载荷分布456液压支架的强度校核 476.1强度条件476.2主顶梁的校核476.3掩护梁强度校核506.4底座强度校核52