Assembly line type gas meter unmanned verification system

The invention discloses an assembly line type gas meter unmanned verification system. The assembly line type gas meter unmanned verification system comprises a main conveying line, a verification channel, a backflow reinspection line and a verification device. According to the system, integrated and assembly line type automatic unmanned verification of elements such as sealing performance, pressure loss, indicating value error and additional device functions of the gas meter can be realized. A verification original record and a verification certificate are automatically generated, subjective errors or errors caused by manual reading are avoided, the efficiency and quality of gas meter verification are greatly improved, verification technicians are liberated, and the labor cost is reduced; legal rights and interests of gas supply enterprises, gas using terminals, gas meter production enterprises and the like are guaranteed, and rapid and high-quality growth of industries such as gas meter industry, gas product