The cantilever rigid suspension catenary mainly consists of current bar profile, suspension positioning device, center anchor device, rigid anchor section joint, rigid flexible transition device and other main products. Among them, the suspension positioning device, rigid anchor section joint, and rigid flexible transition device are key components, which are suitable for the traction power supply system catenary solution of new subway express lines and urban railways with design speeds above 120km/h.

Elastic cantilever support device	Through type expansion joint