JX045雙鉸接剪叉式液壓升降臺的設計,jx045,鉸接,剪叉式,液壓,升降臺,設計 無錫職業(yè)技術學院畢業(yè)設計說明書 雙鉸接剪叉式液壓升降臺的設計 摘要：雙鉸接剪叉式升降臺的設計是在原由的剪叉式升降臺的基礎上，運用現在的靈活性、安全性、經濟性等指標；結構以能夠滿足靈活性要求較高的汽車維修需要為前提,通過不同型號和響應福建達到滿足物流、汽車維修等性能要求。 通過對雙鉸接剪叉式升降臺機構位置參數和動力參數的技術，結合具體實例，對機構中良種液壓缸布置方式分析比較，并根據要求對液壓傳動系統(tǒng)個部分進行設計計算最終確定液壓執(zhí)行元件-液壓缸，通過對叉桿的各項受力分析確定臺板與叉桿的載荷要求，最終完成剪叉式液壓升降臺的設計要求。 關鍵字：升降臺；剪叉式 ；液壓 Double-hinged scissors hydraulic lifting platform design Abstract: Double-hinged scissors lifts in the design of the previously scissors lifts on the basis of the present application flexibility, security, economic and other indicators, structural flexibility to meet higher requirements of vehicle maintenance the need for premise, and the response by different models to meet Fu jian logistics, vehicle maintenance, and other performance requirements. Through the double-hinged scissors lifts Position parameter and the dynamic parameters of technology, combined with specific examples, the agency improved in the hydraulic cylinder layout analysis and comparison, and in accordance with the requirements of part of a hydraulic system design and calculation of final Pressure implementation components - hydraulic cylinder, through analysis of the fork-defined plate and fork-load requirements, the final completion of scissors hydraulic lifts the design requirements. Key Words：Cage assembly；Scissors forks are dyadic；Hydraulic pressure 目 錄 第一章 緒 論························································ 1 1.1 舉升機的發(fā)展簡史·····················································1 1.2 汽車舉升機的設計特點 ···············································2 1.3 汽車舉升機的安全保證措施 ···········································3 1.3.1 設計制造方面的安全保證措施······································· 3 1.3.2 使用維護方面的安全保證措施······································· 4 第二章 剪叉式升降臺的應用及其受力分析的討論························· 5 2.1剪叉式升降平臺的三種結構形式······································· 5 2.2 雙鉸接剪叉式升降平臺機構的位置參數計算··························· 6 2.3 雙鉸接剪叉式升降平臺機構的動力參數計算··························· 8 2.4 剪叉式升降平臺機構設計時應注意的問題······························9 2.5 針對性比較小實例：··················································· 9 2.6雙鉸接剪叉式升降平臺機構中兩種液壓缸布置方式的分析比較········· 12 2.6.1問題的提出：························································· 13 2.6.2兩種布置方式的分析和比較：········································· 14 2.6.3實例計算···························································· 15 第三章液壓傳動系統(tǒng)的設計計算·········································· 20 3.1明確設計要求 制定基本方案：········································· 20 3.2制定液壓系統(tǒng)的基本方案·············································· 20 3.2.1確定液壓執(zhí)行元件的形式 ···········································20 3.2.2 確定液壓缸的類型·················································· 22 3.2.3 確定液壓缸的安裝方式·············································· 22 3.2.4 缸蓋聯(lián)接的類型····················································· 22 3.2.5擬訂液壓執(zhí)行元件運動控制回路····································· 22 3.2.6液壓源系統(tǒng)·························································· 22 3.3確定液壓系統(tǒng)的主要參數·············································· 23 3.3.1載荷的組成與計算：·················································· 23 3.3.2初選系統(tǒng)壓力························································ 25 3.3.3計算液壓缸的主要結構尺寸·········································· 26 3.3.4確定液壓泵的參數··················································· 28 3.3.5管道尺寸的確定 ···················································30 3.3.6油箱容量的確定····················································· 31 3.4液壓缸主要零件結構、材料及技術要求································ 31 3.4.1缸體································································· 31 3.4.2活塞································································· 32 3.4.3活塞桿······························································ 33 3.4.4活塞桿的導向、密封和防塵·········································· 33 3.4.5液壓缸的排氣裝置··················································· 34 3.4.6液壓缸安裝聯(lián)接部分的型式及尺寸··································· 35 3.4.7繪制液壓系統(tǒng)原理圖················································· 35 第四章 臺板與叉桿的設計計算 ···········································39 4.1確定叉桿的結構材料及尺寸 ···········································39 4.2橫軸的選取···························································· 43 結 論································································· 44 致 謝································································· 45 參考文獻································································· 46 V