6.4 后差速器

更新于 2026年10月13日 版权声明
6.4 后差速器

(1)后轴差速器参考硬点、结构框。

•单击Build > Hardpoint> New命令,弹出创建硬点对话框参考如图6-3所示;

•Hardpoint Name:rear_diff_ref;

•Type:single;

•Location:2 520,0.0,-200.0;

•单击OK,完成._my_AWD_driveline.ground.hps_rear_diff_ref硬点的创建。

•单击Build > Construction Frame > New命令;

•Construction Frame(结构框名称):rear_diff_ref;

•Location Dependency:Delta location from coordinate;

•Coordinate Reference (参考坐标):hps_rear_diff_ref;

•Location:0,0,0;

•Location in:local;

•Orientation Dependency:User entered values;

•Orient using:Euler Angles;

•Euler Angles:0,90,0;

•单击OK,完成._my_AWD_driveline.ground.cfs_rear_diff_ref结构框的创建。

(2)后轴差速器整体部件。

•单击Driveline Components > Complex Components > Entire Differential Unit命令,参考如图6-5所示;

•Differential Center Reference:Delta location from coordinate;

•Differential Name(变速器名称):rear;

•Side Gear Radius(行星齿轮左右两侧齿轮半径):40;

•Pinion Gear Radius(行星齿轮前后两侧齿轮半径):30;

•Ring Gear Outer Radius(从动齿轮外径):120;

•Ring Gear Inner Radius(从动齿轮内径):60;

•Ring Gear Offset(从动齿轮偏移量):50;

•Ring Gear Geometry(准双曲面齿轮):Hypoid;

•Mass:10;

•Ixx:1E4;

•Iyy:1E4;

•Izz:1E4;

•单击OK,完成后轴差速器整体部件的创建,此时传动轴整体模型如图6-12所示。

图示

图6-12 传动轴模型

(3)主动齿轮几何体。

•单击Build > Construction Frame > New命令;

•Construction Frame(结构框名称):propshaft_to_diffcase_front;

•Location Dependency:Delta location from coordinate;

•Coordinate Reference (参考坐标):hps_propshaft_to_diffcase_front;

•Location:0,0,0;(https://www.daowen.com)

•Location in:local;

•Orientation Dependency:Orient axis along line;

•Coordinate Reference # 1:cfs_mid_front_propshaft;

•Coordinate Reference # 2:hps_propshaft_to_diffcase_front;

•Axis:Z;

•单击Apply,完成._my_AWD_driveline.ground.cfs_propshaft_to_diffcase_front结构框的创建;

•Construction Frame(结构框名称):propshaft_to_diffcase_rear;

•Location Dependency:Delta location from coordinate;

•Coordinate Reference (参考坐标):hps_propshaft_to_diffcase_rear;

•Location:0,0,0;

•Location in:local;

•Orientation Dependency:Orient axis along line;

•Coordinate Reference # 1:cfs_mid_ rear _propshaft;

•Coordinate Reference # 2:hps_propshaft_to_diffcase_rear;

•Axis:Z;

•单击OK,完成._my_AWD_driveline.ground.cfs_propshaft_to_diffcase_rear结构框的创建。

•单击Build > Geometry > Frustum(锥形) > New命令,如图6-13所示;

图示

图6-13 锥形几何体

•Frustum Name:front_pinion;

•General Part:ges_front_propshaft_1;

•Construction Frame:cfs_propshaft_to_diffcase_front;

•Method:scaled off variable;

•Pitch Radius PV:pvs_ring_gear_offset_front;

•Pitch/Top Ratio:0.9;

•Length:40;

•Color:dark gray;

•勾选Calculate Mass Properties of General Part;

•单击Apply,完成前锥形几何体._my_AWD_driveline.ges_front_propshaft_1.grafru_front_pinion的创建;

•Frustum Name:rear_pinion;

•General Part:ges_ rear _propshaft_1;

•Construction Frame:cfs_propshaft_to_diffcase_ rear;

•Method:scaled off variable;

•Pitch Radius PV:pvs_ring_gear_offset_ rear;

•Pitch/Top Ratio:0.9;

•Length:40;

•Color:dark gray;

•勾选Calculate Mass Properties of General Part;

•单击OK,完成前锥形几何体._my_AWD_driveline.ges_front_propshaft_1.grafru_ rear_pinion的创建。

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