Pavement deflection detection device

• Main Authors: LI GUANGJIAN, HUANG XING, QU XIANFEI, KANG LONG, YONG ZHENG, KONG WEITIAN, XING DONGXIN, DING MING, SU SIYOU, LI YONGLE
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2023
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR

The utility model belongs to the technical field of pavement deflectometers and discloses a pavement deflection detection device which comprises a first base and a second base, a rear lever is fixedly mounted at the top of the first base, a connecting frame is welded to the side face of the rear lever, a connecting plate is arranged in the connecting frame, and a front lever is welded to the side face of the connecting plate. A supporting rod is welded to the top of the second base, the surface of the supporting rod is slidably sleeved with a movable frame, a dial indicator is fixedly installed on the side, close to the rear lever, of the movable frame, a passive stretching rod is vertically connected to the bottom of the dial indicator, and a detection rope is arranged at the bottom of the passive stretching rod; the top of the rear lever is fixedly provided with an active stretching rod, the top of the active stretching rod is connected with a detection rope, a limiting groove is formed in the side face of