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拖拉机、推土机、稳定土拌和机等履带底盘车辆,无论整机性能试验或大修出厂检验,都把“跑偏度”作为检验项目之一。“跑偏度”是一项反映底盘综合质量的指标。机架变形,后半轴弯曲,引导轮、支重轮等安装调整不当,都会引起车辆行驶自动跑偏。在履带底盘试验大纲上是这样规定“跑偏度”的:“在水平地面上,机械直线行驶50米自动偏离中线的距离”。根据这一规定,我们可以划两条间距50米的线,让车辆摆正停在其中一条线上,然后
Tractors, bulldozers, soil mixer and other crawler chassis vehicles, regardless of machine performance test or overhaul the factory inspection, the “deviation” as one of the test items. “Deviation” is an indicator of the overall quality of the chassis. Rack deformation, bending the rear axle, guide wheel, roller and other installation properly adjusted, will cause the vehicle to run automatically deviation. In the crawler chassis test program is the “deviation”: “on a horizontal ground, mechanical straight line 50 meters automatically deviate from the midline distance.” According to this provision, we can draw two lines 50 meters apart and let the vehicle park right on one of the lines, then