【正文】 ......................................... 10 計(jì)算液壓執(zhí)行元件的實(shí)際工作壓力 ........................................................ 11 制定液壓系統(tǒng)基本方案和擬定液壓系統(tǒng)圖 ........................................................ 13 制定基本方案 ........................................................................................ 13 擬定液壓系統(tǒng)原理圖 ............................................................................... 16 液壓元件的選擇 ................................................................................................ 18 液壓泵的選擇 .......................................................................................... 18 電動機(jī)功率的確定 ................................................................................... 19 液壓 閥的選擇 .......................................................................................... 21 管路的選擇 ............................................................................................. 22 油箱的有效面積的確定 ............................................................................ 23 .......................................................................................... 24 驗(yàn)算回路中壓力損失 ............................................................................... 24 驗(yàn)算系統(tǒng)發(fā)熱升溫 ................................................................................. 25 第三章 液壓缸的設(shè)計(jì)計(jì)算 ............................................................................................. 27 計(jì)算液壓缸的結(jié)構(gòu)尺寸 .................................................................................... 27 缸筒長度 L ............................................................................................ 27 最小導(dǎo)向長度的確定 ............................................................................. 27 液壓缸主要零部件設(shè)計(jì) .................................................................................... 28 缸筒 ...................................................................................................... 28 活塞 ...................................................................................................... 29 活塞桿的導(dǎo)向套和密封 .......................................................................... 30 放氣裝置 ............................................................................................... 30 油口 ...................................................................................................... 31 第四章 液壓泵站的設(shè)計(jì) ................................................................................................. 32 集成回路的設(shè)計(jì) ................................................................................................ 32 液壓集成回路設(shè)計(jì) ................................................................................... 32 液壓集成塊及其設(shè)計(jì) ............................................................................... 33 管路的選擇 ....................................................................................................... 34 管路材料的選擇 ...................................................................................... 34 管接頭的選擇 .......................................................................................... 35 液壓油箱的設(shè)計(jì) ................................................................................................ 37 油箱的用途及分類 ................................................................................... 37 切斷機(jī)液壓系統(tǒng) 第 4 頁 共 50 頁 液壓油箱的外形尺寸 ............................................................................... 37 液壓油箱的結(jié)構(gòu)設(shè)計(jì) ............................................................................... 38 濾油器的選擇 .......................................................................................... 42 液壓油的選擇 .......................................................................................... 43 閥板的設(shè)計(jì) ....................................................................................................... 45 閥板連接概述 .......................................................................................... 45 閥板的設(shè)計(jì) ............................................................................................. 46 液壓站結(jié)構(gòu)設(shè)計(jì) ................................................................................................ 47 液壓泵的安裝方式 ................................................................................... 47 電機(jī)與液壓泵的連接方式 ........................................................................ 47 液壓站結(jié) 構(gòu)設(shè)計(jì)注意事項(xiàng) ........................................................................ 48 第五章 參考文獻(xiàn) ........................................................................................................... 49 結(jié)束語 ........................................................................................................................... 50 切斷機(jī)液壓系統(tǒng) 第 5 頁 共 50 頁 第一章 緒論 液壓系統(tǒng)已經(jīng)在各個部門得到越來越廣泛的應(yīng)用，而且 越先進(jìn)的設(shè)備，其應(yīng)用液壓系統(tǒng)的部門就越多。 關(guān)鍵詞： 切斷機(jī) ； 液壓系統(tǒng) ；油缸 切斷機(jī)液壓系統(tǒng) 第 2 頁 共 50 頁 Hydraulic system of the Shearing machine Abstract Shearing machine is widely used in steel rolling machines, this paper introduces the continuous casting machine by using shearing machine to handle various types of steel billet. Hydraulic shearing machine has lower operating cost than flame cutting machines. However, in the same volume, the hydraulic device generates mush power than electrical equipment. In the same power, the hydraulic device small volume, light weight and pact structure. So from various perspectives, choosing hydraulic shearing machine that uses hydraulic pressure as the main drive. It chooses the downcut sheet of parallel slice. The upcut sheet an the downcut sheet of downcut shearing machine are movable, but the action of shearing the rolled piece is done by downcut sheet. At present, it is widely used in the workshop of bloom and