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目 录
摘要
ABSTRACT
第一章 绪 论 ..................................................................................................................1
§1.1 液压泵及齿轮泵 ..............................................................................................1
§1.2 内啮合齿轮泵的类型和特点 ..........................................................................2
§1.3 内啮合齿轮泵技术研究现状和发展趋势 ......................................................4
§1.4 课题研究的主要内容及意义 ..........................................................................6
第二章 直线-渐开线内啮合特性分析 .......................................................................... 8
§2.1 内齿轮齿廓设计 ..............................................................................................8
§2.1.1 齿廓方程式 .............................................................................................8
§2.1.2 啮合极限点分析 .....................................................................................9
§2.1.3 内齿轮齿顶计算 ...................................................................................13
§2.1.4 内齿轮齿根设计 ....................................................................................14
§2.2 基于共轭原理的齿廓曲线 ............................................................................14
§2.2.1 啮合线 ...................................................................................................17
§2.2.2 共轭齿廓方程 ........................................................................................18
§2.3 渐开线外齿轮建模 ........................................................................................19
§2.4 内啮合齿轮重合度计算和干涉分析 ............................................................26
§2.4.1 共内啮合齿轮重合度计算 ....................................................................26
§2.4.2 内啮合齿轮干涉分析 ............................................................................28
第三章 直线-渐开线内啮合齿轮泵的流量脉动分析 ................................................ 31
§3.1 直线-渐开线内啮合齿轮泵的瞬时流量 ......................................................31
§3.2 直线-渐开线内啮合齿轮泵的排量分析 ......................................................33
§3.2.1 排量计算 .............................................................................................33
§3.2.2 齿轮参数对工作排量的影响 .............................................................38
§3.3 直线-渐开线内啮合齿轮泵的流量脉动分析 ..............................................40
§3.3.1 流量脉动曲线 .....................................................................................40
§3.3.2 流量不均匀系数计算 .........................................................................41
§3.3.3 齿轮参数对泵流量不均匀系数的影响 .............................................43
§3.4 直线-渐开线内啮合齿轮泵的困油特性 ......................................................46
§3.4.1 齿轮泵的困油现象 ..............................................................................46
§3.4.2 卸荷措施 .............................................................................................48
第四章 轮齿弯曲应力和强度分析 ..............................................................................50
§4.1 齿轮受力分析 ................................................................................................50
§4.1.1 外齿轮受力分析 ..................................................................................51
§4.1.2 内齿圈的受力分析 ..............................................................................53
§4.1.3 啮合力的计算 ......................................................................................53
§4.1.4 啮合力与齿面啮合点位置间对应关系 ..............................................54
§4.2 弯曲应力的分析 ............................................................................................55
§4.3 有限元法及软件 ............................................................................................56
§4.4 轮齿弯曲应力分析 ........................................................................................57