Concrete pavement crack clearing and filling integrated device and construction method

The invention relates to a concrete pavement crack clearing and filling integrated device. The device comprises a movable trolley, an inner crack impurity removing device, a cleaning and brushing device, an air blowing and drying device, a crack filling device, a lifting component and a sludge residue collecting device, wherein the air blowing and drying device, the crack filling device and the lifting component are all arranged on the movable trolley, and the inner crack impurity removing device and the cleaning and brushing device are arranged on the lifting component. The sludge residue collecting device is arranged on the moving trolley and is used for collecting sludge which is cleaned out from cracks by the inner crack impurity removing device. The method has the beneficial effects that crack cleaning and filling can be completed at the same time, cleaned sludge can be collected, walls of cracks the can be dried and the filling depth can be controlled according to different seasons, thus achieving high