Grass harrow is picked up in construction of regulation formula highway subgrade

The utility model discloses a grass harrow is picked up in construction of regulation formula highway subgrade, it relates to highway subgrade construction apparatus technical field, the compression roller is installed to the rear end of support body, the pull ring is installed to the front end of support body, the cross -under has adjusting screw on the support body, adjusting screw passes through two lock nut halvings on the support body, buffer spring is installed to adjusting screw's lower extreme, the mounting panel is installed to buffer spring's bottom, the tine harrow is installed to the front end of mounting panel, the baffle is installed to the rear side of mounting panel, branch material tooth is installed to the lower extreme of baffle, adjusting screw's front side wall mounting has the uide bushing, the inside cross -under of uide bushing has the guide bar, the lower extreme and the mounting panel of guide bar are connected, the utility model discloses quick adjustment andcleaning work can be rea