负重轮 meaning in English

bogie wheel
bottom roller
loading wheel
road wheel

This drum is fixed to the road wheel and rotates with it .
这个鼓轮固定在负重轮上，并随之转动。
On how to improve dynamic performances of loading wheel rubber
提高负重轮橡胶动态性能的研究
Finite element analysis of temperature field of road wheel ' s rubber flange
负重轮橡胶轮缘温度场有限元分析
During movement on wheels the tracks were stowed on shelves above the wheels and secured to these shelves with leather straps
在使用负重轮行驶时，履带被放置在翼子板上并用皮带进行固定。
Iv ) revolute joint element , nonlinear spring - damper element , 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards , suspension nonlinear vibration , contact between wheels and caterpillar boards , and contact between caterpillar boards and ground are considered respectively . drucker - prager material is employed to simulate reinforced concrete
4 、应用大幅度转动约束单元、非线性弹簧阻尼单元、三维五节点接触单元分别模拟自行火炮履带板之间的转动约束连接、悬挂非线性振动及负重轮与履带板之间的接触和履带板与地面的接触问题；根据材料非线性理论，提出利用drucker ? prager材料建立土壤的非线性有限元模型。