Long-service-life light-maintenance comb tooth type telescopic device capable of preventing sediment deposition

• Main Authors: HU GUANGRUI, ZHANG DIANYI, CUI JIANWEI, WU QIANG, ZHENG XIAODONG, XU XIN, GAO JIANHUA, JING ENJUN, HE ZHE, QIAN YANGYANG, HAN YI, CAO DONGWEI, YANG HULONG, JIANG XUE, FENG HUA, WEN YUE, CHEN DAJIN
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention provides a long-service-life light-maintenance comb tooth type expansion device capable of preventing sediment deposition, and relates to the technical field of bridge expansion joints. The long-service-life light-maintenance type comb tooth type telescopic device capable of preventing sediment deposition comprises a first bridge notch and a second bridge notch, second angle steel which is evenly distributed is fixedly connected to the interior of the second bridge notch, an anchor plate is fixedly connected to the front end of the second angle steel, first limiting nuts are arranged on the two sides of the anchor plate, and the first limiting nuts are fixedly connected to the first bridge notch. A supporting plate is arranged at the front end of the anchor plate. Through linkage among the second connecting plate, the first connecting plate, the second comb teeth, the first comb teeth, the through holes, the mounting holes, the supporting plate, the fixing plate, the first fastening bolt and the