Concrete surface layer flatness control device

• Main Authors: GAI HAIBIN, WANG ZHAORONG, YAN KAI, JIA YONGJIE, LI JIE, DU HAOZE, FENG GUIBIN, WANG XIAOWU, BAI LONGLONG, ZHANG LEITING, WANG XIAOXIAO
• Format: Patent
• Language: Chinese; English
• Published: 27.10.2023
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING

The utility model belongs to the auxiliary field of road construction leveling, and particularly relates to a concrete pavement flatness control device which comprises a leveling rod and a plurality of adjusting units, and the leveling rod connects the adjusting units. The adjusting unit comprises a base, a fixing part, a lifting groove, a lifting piece, a connecting piece, a screw and a nut, the fixing part is installed on the base, the lower end of the lifting groove is connected with the fixing part, the upper end of the lifting groove is closed and provided with a through hole, a notch is formed in one side of the lifting groove, the lifting piece is located in the lifting groove, and the upper end face of the lifting piece is connected with the lower end of the screw. The upper end of the screw penetrates through the through hole and is fixed to the upper end face of the lifting groove through a nut, one side of the lifting piece is connected with the leveling rod through a connecting piece, and the conn