Highway subgrade levelness measuring device

• Main Authors: CAI CHANGMIAO, YIN ZHENQIAN, ZHANG YUNHUA, HUANG AIHUA, WANG SHAODONG, HOU LINLIN, GU YUANYUAN
• Format: Patent
• Language: Chinese; English
• Published: 25.07.2023
• Subjects: ALARM SYSTEMS; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; GYROSCOPIC INSTRUMENTS; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; ORDER TELEGRAPHS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SIGNALLING; SIGNALLING OR CALLING SYSTEMS; SURVEYING; TESTING

The utility model discloses a highway subgrade levelness measuring device, which comprises a cart, a horizontal measuring device, a horizontal measuring device and a horizontal measuring device, the measuring mechanism is arranged in the cart, and the two sides of the measuring mechanism sequentially penetrate through the cart and the movable groove and extend to the outside of the cart; by arranging the measuring mechanism, the bottom ends of the rollers and the bottom ends of the wheels of the cart rotate at the same time, it can be guaranteed that the rollers at the bottom ends of the hinge rods make contact with the ground all the time, the stability of the device is guaranteed, and a user only needs to move the device to the roadbed ground needing to be measured and only needs to push the cart while moving the device to the roadbed ground. The pointer can rotate along with the inclination of the road surface, a user observes through the glass block and the scales on the glass block and then records, so t