裝配圖低位放頂煤液壓支架的設(shè)計(jì)(1)

裝配圖低位放頂煤液壓支架的設(shè)計(jì)(1),裝配,低位,放頂煤,液壓,支架,設(shè)計(jì) 畢業(yè)設(shè)計(jì)論文 支撐掩護(hù)式液壓支架 中文摘要 現(xiàn)代煤礦高效工作面的關(guān)鍵設(shè)備液壓支架 ,是煤礦實(shí)現(xiàn)采煤、運(yùn)輸和支護(hù)等所有工序 全部機(jī)械化的重要環(huán)節(jié)。 支撐掩護(hù)式支架是以支撐為主 ,掩護(hù)為輔的液壓支架 ,用來控制采場(chǎng)頂板下沉斷裂及 冒落 ,保證控頂距內(nèi)頂板完整和必要的回采空間。對(duì)支撐掩護(hù)式液壓支架的結(jié)構(gòu)特點(diǎn)及合 理應(yīng)用等進(jìn)行了簡(jiǎn)要介紹。為保證支架的合理工作狀態(tài) ,應(yīng)盡量縮短降架時(shí)間 ,快速移架 ,及 時(shí)支護(hù) ,并保持足夠的支架初撐力在詳細(xì)分析液壓支架初撐力與直接頂相互作用機(jī)理的基 礎(chǔ)上,對(duì)支架合理初撐力的確定進(jìn)行了分析研究,并提出了合理支架初撐力的確定方法。 關(guān)鍵詞：液壓支架 支護(hù) 初撐力 畢業(yè)設(shè)計(jì)論文 ABSTRACT Hydraulic Support he hydraulic support is the key equipment in today's high production faces underground,it is important Standing shield hydraulic support can control the subsidence,rupture and inbreak of the stope roof,and assure the integrity of the roof and necessary extraction space.The structural feature and its rational application of standing shield hydraulic are introduced in brief.According to the paper,it is necessary to reduce the time of falling support,to move support quickly,to timber the roof in time and keep enough setting pressure. On the basis of analysis of the reciprocity mechanism of original pressure and direct roof, the author analyzes the setting methods of appropriate original pressure of powered support is put forward finally. Keywords: hydraulic support shoring put forward finally