ZZ120000大采高支撑掩护式液压支架设计.docx
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- ZZ120000 大采高 支撑 掩护 液压 支架 设计
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1、摘 要本论文主要阐述了支撑掩护式液压支架的设计过程。设计内容包括:选架型、总体设计、主要零部件的设计、主要零部件的校核和液压系统的设计。ZZ12000/30/50支撑掩护式液压支架最大工作阻力为12000kN/架,主要基本组成部分有:顶梁,底座,液压支柱,千斤顶,掩护梁,四连杆机构等。本文介绍了:液压支架的组成、工作原理、作用和分类;对重要结构件如前梁、顶梁、底座和铰接销轴等进行了分析,根据其常见失效形式、影响因素及基本设计要求,给出了重要结构件的受力分析、强度和刚度的设计方法,并对其进行了受力分析和强度计算。关键词:液压支架; 四连杆机构; 结构设计; 强度分析ABSTRACTThe art
2、icle mainly elaborated the chock shield type hydraulic support design process .The design content includes:Chooses, the system design, the main spare part design,the main spare part examination and the hydraulic system design.The largest working resistance 0f Chock shield ZZ12000/30/50 is 12000kN/sh
3、elf,chock shield major from some following basically partial compositions: top beam, base, hydraulic legs, prop, shield beam and four linkage mechanisms. The followings are introduced in this paper: components, working principle, functions, and types of the hydraulic support; The design of each stru
4、cture piece is a point. The important structure, such as ex-beam, top-beam, base, hinged pin axis and so on, are analyzed. According to its failures, affecting factors and basic considerations, the design method of the strength and stiffness of the important structure is introduced. the force analys
5、is and strength calculation are introduced.Keywords:The hydraulic support,four-link mechanism, structure design ; strength analysis目 录1 概述 1.1液压支架的用途31.2 液压支架的组成31.2.1顶梁31.2.2 底座41.2.3 掩护梁41.2.4 前后连杆4 1.2.5立柱 4 1.2.6推移装置 5 1.2.7活动侧护板 5 1.2.8操纵控制系统 51.3 液压支架的工作原理5 1.3.1 支架升降6 1.3.2 支架移动和推移输送机71.4 液压支
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