随着高速公路使用期的加长,道路标线的重划问题已日益增多。目前无论是进口还是国产的旧线清除设备,其清除效果均不太理想,因而旧标线的清除始终是施工中的一大难题。根据交通部“九五”行业联合科技攻关项目“热熔道路标线系列产品”的研制计划,我们研制出旧线清除机,解决了旧 With the extension of the expressway service life, the problem of road marking redistribution has been increasing. At present, whether it is imported or domestic old line removal equipment, the removal effect is not ideal, so the removal of the old standard line is always a major problem in construction. According to the “Nine Five” industry joint scientific and technological project “hot melt road marking products,” the development plan, we developed a line of old machines, to solve the old