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熨平板的自找平特性和自动找平装置在沥青混凝土摊铺机铺筑路面时,两侧大臂的牵引点是会受到路基不平的影响,而上下波动,致使熨平板偏转,改变了熨平板与路面的工作(仰)角α的大小,因而改变摊铺层的厚薄,使摊铺层将随路基的起伏而减薄或增厚。当原有路基起伏变化的波长较短时,熨平板所移动的轨迹并不完全“再现”其变化幅
Self-leveling characteristics of the screed and automatic leveling device When paving asphalt paver paving the road, the towing point of the boom on both sides will be affected by uneven roadbed, fluctuating up and down, causing the screed to deflect, changing the screed and Pavement work (Yang) angle α size, thus changing the thickness of the paving layer, so that the pavement will be ups and downs with the roadbed thinning or thickening. When the original subgrade fluctuation wavelength is shorter, the trajectory of the screed does not completely “reproduce” the change in amplitude