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1.故障现象1台安装机械拼装熨平装置的ABG423型沥青摊铺机,在摊铺宽度为9m、厚度为6cm的沥青混合料时,发生振捣梁下部(振捣梁前挡板与熨平机架之间)进料过多、熨平装置振动剧烈和摊铺层表面拉毛的故障。我们在施工现场检查的情况如下:该机振捣轴转动正常,但是振捣梁下部进入大量沥青混合料;摊铺层横向和纵向平整度正常,但是熨平装置振动剧烈,人站在熨平装置上有明显振感;摊铺层表面光洁度较差,有拉毛现象。
1. Symptom 1 installed ABG423 type asphalt paver mechanical assembly ironing device, paving width 9m, the thickness of 6cm asphalt mixture, the occurrence of the lower part of the vibrating beam (vibrating beam front baffle and ironing Between the flat rack) Feeding too much, ironing equipment, severe vibration and paving layer surface hairless fault. The situation we checked at the construction site was as follows: The machine revolved normally, but vibrated the lower part of the beam into a large amount of asphalt mixture. The horizontal and vertical flatness of the paving layer was normal, but the ironing device vibrated violently and the person stood on the iron The device has a clear sense of vibration; pavement layer surface finish is poor, there are puffs phenomenon.