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1. 发明授权

US4447072A Suspension for pivotally mounting a rigid axle assembly 失效
标题翻译：用于枢轴安装刚性轴组件的悬架
公开(公告)号：US4447072A
公开(公告)日：1984-05-08
申请号：US330545
申请日：1981-12-14
申请人： Kirk D. Bradley , Robert R. Koski , James W. Clark
发明人： Kirk D. Bradley , Robert R. Koski , James W. Clark
IPC分类号： B60G9/00 , B60D7/00
CPC分类号： B60G9/00
摘要： A suspension for a rigid front axle assembly (28) of an articulated mining truck (10) includes a bolster plate (30) upon which the axle assembly is fixedly cradled, a spherical or swivel bearing assembly (36) connecting the front end of the bolster plate to the chassis of the vehicle, and a hollow unitary elastomeric block (70) that is mounted to resiliently couple the rear end of the bolster plate to the chassis. The elastomeric block is preferably elongate and longitudinally oriented, and the block has a cavity that extends longitudinally through its center that is aligned with a longitudinal axis (A-A) through the spherical bearing. The elongate walls thus provided at the sides of the elastomeric block are sufficiently flexible to bulge outwardly when the axle assembly oscillates about the longitudinal axis A-A. The elastomeric block further permits the axle assembly to swing a limited amount about an axis (D-D) extending transversely of the bearing to thereby act as a spring for cushioning shock loading on the front axle.
摘要翻译：用于铰接式挖掘车（10）的刚性前轴组件（28）的悬架包括支撑板（30），轴组件固定在该垫板上，球形或旋转轴承组件（36），其连接支撑板到车辆的底盘，以及中空的单一弹性体块（70），其被安装成弹性地将垫板的后端联接到底架上。弹性体块优选为细长且纵向定向的，并且该块具有通过其中心纵向延伸的空腔，其通过球面轴承与纵向轴线（A-A）对齐。因此，设置在弹性体块侧面的细长壁足够柔软，以便当轴组件围绕纵向轴线A-A摆动时向外凸出。弹性体块进一步允许轴组件围绕轴承横向延伸的轴线（D-D）摆动有限的量，从而用作用于缓冲前轴上的冲击载荷的弹簧。

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