Worker operation warning device for highway maintenance

• Main Authors: LYU ZHAOXU, ZHANG QIUJU, WANG HAIJUN, ZUO LIPING, TANG XIAOTIAN
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2023
• Subjects: ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS

The utility model discloses a worker operation warning device for expressway maintenance, including: main part, warning subassembly and adjusting subassembly, main part includes support plate, fixed cylinder, connecting plate and caster, support plate and fixed cylinder are both provided two groups, the two groups of fixed cylinder are respectively fixed and connected to the top of two groups of support plate, connecting plate is provided between two groups of fixed cylinder, and the caster is connected to the connecting plate. The bottom of each supporting plate is provided with two trundles, the two trundles are fixedly connected to the two sides of the bottoms of the supporting plates correspondingly, the warning assembly comprises a warning plate arranged above the fixing cylinder, and the adjusting assembly is used for adjusting the height of the warning plate. By arranging the adjusting assembly to be matched with the threaded rod, the threaded cylinder and the first-stage bevel gear, the height of the