【正文】 ....11 參數(shù)化設計軟件 PRO/ENGINEER..................................................................................11 VRML 虛擬現(xiàn)實語言 .....................................................................................................12 VRML 的發(fā)展史 .....................................................................................................12 VRML 的工作原理 .................................................................................................133 支撐掩護式液壓支架總體方案選擇 .................................................................................23 采煤工作面頂板組成及其分類 ..................................................................................23 頂板組成 ..............................................................................................................23 頂板穩(wěn)定性特征及分類 ......................................................................................23 支架架型選擇 ..............................................................................................................23 液壓支架選型準則 ..............................................................................................25 圍巖可控性分組 ..................................................................................................26 液壓支架型選擇 ..................................................................................................26 支架參數(shù)確定 ..............................................................................................................28支撐掩護式液壓支架總體方案設計及仿真模擬2 支架高度 ..............................................................................................................28 支護強度和工作阻力 ..........................................................................................29 中心距和寬度 ......................................................................................................29 初撐力 ..................................................................................................................30 移架力和推溜力 ..................................................................................................30 梁端距和頂梁長度 ..............................................................................................30 支架受力分析 ..............................................................................................................30 四柱支撐掩護式支架受力分析 ..........................................................................31 支架結(jié)構選擇 ..............................................................................................................32 頂梁 ......................................................................................................................32 側(cè)護板 ..................................................................................................................32 底座 ......................................................................................................................33 推移裝置 ..............................................................................................................334 液壓支架液壓系統(tǒng)設計 .....................................................................................................34 支架液壓系統(tǒng)的特點 ..................................................................................................34 液壓系統(tǒng)特點 ......................................................................................................34 液壓支架傳動系統(tǒng)基本要求 ..............................................................................35 液壓系統(tǒng)擬定 ..............................................................................................................35 立柱系統(tǒng) ..............................................................................................................35 千斤頂系統(tǒng) ..........................................................................................................36 液壓系統(tǒng)的計算 ..........................................................................................................37 液壓損失的計算 ....................................................................................................37 支架移架速度的計算 ..........................................................................................385 PRO/E 建模與仿真 ..............................................................................................................42 液壓支架的測繪 ..........................................................................................................42 PRO/E 實體建模 ............................................................................................................42 液壓支架各部件實體建模 ..................................................................................43 典型部件建模 ......................................................................................................48 液壓支架裝配 ......................................................................................................526 VRML 機構仿真 ....................................................................................................................59 實體模型數(shù)據(jù)處理 ......................................................................................................59 數(shù)據(jù)轉(zhuǎn)換 ..............................................................................................................59 VRML 模型文件整理 .............................................................................................60 液壓支架 VRML 仿真 ....................................................................................................63 液壓支架仿真規(guī)劃 ..............................................................................................63 液壓支架仿真實現(xiàn) ..............................................................................................63 虛擬液壓支架的使用 ..................................................................................................68參考文獻 ...................................................................................................................................76致謝 ..........................................