【作者】 杨勇；

【导师】 翟华；

【作者基本信息】 合肥工业大学 ， 机械电子工程， 2013， 硕士

【摘要】 离合器是车辆传动系统中重要的组成部件,起着传递动力、传递扭矩、分离和结合发动机与变速器之间的传动、减小变速器产生的振动和过载保护等多重功用,其品质直接影响汽车的性能。液压式离合器采用变容积方式传递静压力,主要通过高压油楔产生的压力效应以及液体粘性力来传递动力。楔紧原件为高压油楔,楔紧过程中自动形成油压,松脱过程中油压消失,避免了钢制楔紧元件引起的严重摩擦磨损而造成的零部件失效。大大降低了液压式离合器结合时的冲击,使得传递动力的过程更加平顺。同时,液压式离合器内部充满密闭的油液,使所有活动的零部件均可获得充分的润滑,磨损极小。本文介绍了液压式离合器的基本结构、工作原理、承载机理,并对液压式离合器的各个部件进行了设计；同时,本文还建立了三维模型；对主动件和叶片受到的应力、变形、模态和油楔内部的流场进行了理论和仿真分析；对液压式离合器的关键零部件进行了优化,并对优化后的模型与设计模型进行了对比分析。理论分析和仿真研究结果表明,液压式离合器满足作为车辆离合器使用的要求。本文所采用的研究方法和研究内容能为液压式离合器的设计和后续研究提供理论依据。更多还原

【Abstract】 It is the clutch as an independent and important part in vehicle driveline system that effects power transmission decreasing the vibration of transmission, and overload protection, etc. The quality of it would directly affect the performance of the vehicle itself.We put forward a new hydraulic clutch which we can get the hydraulic clutch through the structural transformation of hydraulic pump that transmit the support forces through the variable of the volume. On the one hand, hydraulic clutch transmits the power through high-pressure oil wedge pressure effect, on the other hand, hydraulic clutch transmits the power with the liquid viscous force. Hydraulic oil acts as an important power transmitting medium, which can highly reduce the hydraulic impact and power transmission process will be smoother when the hydraulic clutch is combining. At the same time, the hydraulic cultch fills with sealed oil, which can help all the moving elements get sufficient lubrication and minimal wear.This thesis designs the basic structure, the working principle and the load-bearing mechanism. We also get the various components of the hydraulic clutch. Then we establish three-dimensional model of the hydraulic clutch, we analysis the drive member and leaves through theory and simulation to several aspects such as stress, strain, modal, and the flow field of the inner oil wedge. At last we optimized the main parts and we compared the optimization model with the designed model to get the final conclusion.Through the theoretical analysis and the simulation studies, we draw a conclusion that hydraulic clutch can meet the requirements of the vehicle clutch needs. So the methods and the research contents of this thesis provides a theoretical basis for the hydraulic clutch design and follow-up study.更多还原