Traditional Culture Encyclopedia - Photography and portraiture - The support device comprises

The support device comprises

Wrist arm, horizontal tie rod, suspension insulator string, rod insulator and other special supporting equipment for buildings. Support devices are used to support contact suspension and transfer its load to pillars or other buildings. According to the different areas of catenary, stations and large buildings, the supporting devices include wrist arm, horizontal tie rod, suspended insulator string, rod insulator and other special supporting equipment for buildings.