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摘 要
本論文主要闡述了支撐掩護(hù)式液壓支架的設(shè)計(jì)過(guò)程。設(shè)計(jì)內(nèi)容包括：選架型、總體設(shè)計(jì)、主要零部件的設(shè)計(jì)、主要零部件的校核和液壓系統(tǒng)的設(shè)計(jì)。
ZZ12000/30/50支撐掩護(hù)式液壓支架最大工作阻力為12000kN/架，主要基本組成部分有：頂梁，底座，液壓支柱，千斤頂，掩護(hù)梁，四連桿機(jī)構(gòu)等。本文介紹了：液壓支架的組成、工作原理、作用和分類(lèi)；對(duì)重要結(jié)構(gòu)件如前梁、頂梁、底座和鉸接銷(xiāo)軸等進(jìn)行了分析，根據(jù)其常見(jiàn)失效形式、影響因素及基本設(shè)計(jì)要求，給出了重要結(jié)構(gòu)件的受力分析、強(qiáng)度和剛度的設(shè)計(jì)方法,并對(duì)其進(jìn)行了受力分析和強(qiáng)度計(jì)算。
關(guān)鍵詞：液壓支架； 四連桿機(jī)構(gòu)； 結(jié)構(gòu)設(shè)計(jì)； 強(qiáng)度分析
ABSTRACT
The article 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/shelf，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 structure 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 analysis and strength calculation are introduced.
Keywords：The hydraulic support,four-link mechanism, structure design ; strength analysis