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黑龍江工程學院本科生畢業(yè)設計 I 摘 要 汽車舉升機在汽車維修行業(yè)是最重要 最基本的工具之一 是將汽車從一個高度 提升至另一高度進行維修的設備 具有至關重要和不可替代的作用 它能否正常運轉(zhuǎn) 會直接影響到維修車輛 維修人員的安全 甚至會直接影響到汽車維修業(yè)務的興衰 液壓舉升機具有承載力高 適應性強 維護及安裝方便等優(yōu)點 它可以適應不同 類型的車輛維修 隨著汽車工業(yè)的不斷發(fā)展 汽車維修設備也發(fā)展到一個更高的階段 因而 對液壓雙柱式舉升機的系統(tǒng)運動學 動力學的研究很有必要 為以后的研發(fā) 改進提供必要的幫助 本文針對液壓舉升機的特點和發(fā)展趨勢 以現(xiàn)有的液壓舉升設備為基礎 改進液 壓舉升設備的液壓系統(tǒng) 本設計主要進行了液壓系統(tǒng)設計 確定了液壓系統(tǒng)回路 選 擇了控制方式 進行了壓力 流量的計算 對液壓缸 液壓泵 系統(tǒng)中所有的閥進行 分析 分析了它們之間所受的壓力 流量等主要參數(shù)之間的關系 分析了上升 下降 過程中 提出了解決方法 采用柱塞式液壓缸和其他方法 解決了雙缸同步問題 關鍵詞 汽車舉升機 液壓舉升機 液壓系統(tǒng) 液壓缸 回路 黑龍江工程學院本科生畢業(yè)設計 II ABSTRACT The car lifter in the automotive repair industry is the most important and one of the most basic tool is to enhance the car from a height to another height for maintenance of equipment with vital and irreplaceable role It can directly affect the normal operation of maintenance vehicles maintenance personnel or even directly affect the rise and fall of car repair business Hydraulic lift with high capacity adaptability and easy maintenance and installation It can be adapted to different types of vehicle maintenance With the continuous development of automobile industry automotive maintenance equipment are also developed to a higher stage Thus Hydraulic Auto Lift on the system kinematics kinetics is necessary For future research and development improving the provision of necessary assistance In this paper the characteristics of hydraulic lift and trends to present the basis of hydraulic lifting equipment hydraulic lifting equipment to improve the hydraulic system this design mainly To hydraulic system design to determine the hydraulic system circuit select the control means pressure flow rate calculations The hydraulic cylinder hydraulic pump the system analyzes all the valves to analyze the pressure between them traffic etc The relationship between the main parameters Analysis of the rise and fall during the proposed solution Hydraulic cylinder with piston and other methods to solve the synchronization problem cylinder Keywords Vehicle lifter Hydraulic lifter Hydraulic system Hydraulic cylinder Circuit 外文摘要示例