摘要本课题要求设计一种由单个电机驱动的双直线作动器输出的变幅驱动机构,要求在工作过程中双直线作动器能自动保证同步工作并保证驱动力矩的平稳。本文从伸缩杆式的角度变幅机构的基础上进行优化改进,将汽车差速器的原理加以应用到变幅机构中,来实现单电机驱动的双直线同步变幅。从起重机械,火炮高低机以及同步输出控制的机构等可以得到被课题相关所需的资料和信息来看整个机构的组成大致为电机,减速器,能够实现双直线输出的传动装置,变幅推杆,检测装置等。由电机输入转矩经过减速器获得大致的转速,再由传动装置将输入的转矩分给两个变幅推杆,由两个变幅推杆实现工作臂的角度改变来达到提升的高度。针对设计要求选择不同方案,进行变幅驱动机构传动方案的设计和优化,变幅驱动机构的传动精度和双输出同步分析,变幅驱动机构的零部件有限元强度分析,选择最优方案分析计算,对整个系统进行设计,并使用ANSYS软件等进行关键零件的强度刚度分析。21432
关键词 变幅机构 差速器 同步驱动
毕业论文设计说明书(论文)外文摘要
Title Design of the electric luffing of dual linear output drive mechanism
Abstract
This topic requires a design driven by a single motor drive mechanism luffing dual linear actuator output in the work process requires dual linear actuators can automatically ensure synchronization and to ensure a smooth driving torque . This article is optimized to improve basic telescopic rod from the perspective of luffing mechanism, based on the principles to be applied to the automobile differential luffing mechanism to achieve dual linear synchronous motor-driven single horn. Can be obtained from the relevant issues needed to be lifting machinery , machine guns and institutions, the level of output control synchronous composition data and information throughout the organization point of view roughly motor, reducer, to achieve dual linear output gear, luffing putter, detection devices. After the input torque from the motor to obtain a substantially speed reducer , then the driving torque of the input means of the plunger to the two luffing angle of the arm of the plunger achieved by two amplitude to achieve the raising of the change . Choose different options for the design requirements , design and optimization of transmission schemes luffing drive mechanism , the drive mechanism of the transmission amplitude accuracy and dual output synchronous analysis, finite element strength parts luffing drive mechanism analysis , choose the best program analysis and calculation , the whole system design and use ANSYS software intensity stiffness analysis of key parts .
keywords luffing mechanism Differentials Synchronous drive
目 次
绪论 1
1 主要设计要求及方案 3
2 变幅机构的铰点优化 5
2.1建立变幅机构的受力分析模型 5
2.2三铰点位置优化 6
3 螺旋副设计与校核 8
3.1耐磨性计算 8
3.2校核螺纹副自锁性 9
3.3螺杆强度校核 9
3.4螺母螺纹牙强度校核 10
3.5螺杆螺母副传递效率η计算 10
4 螺杆支承部分的零件设计与选型 11
4.1锥齿轮的设计 11
4.2轴承的选型与设计 12
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