Flexible suspension cable photovoltaic support unit and system

The utility model discloses a flexible suspension cable photovoltaic support unit and system, comprising an assembly stay cable and an end side door frame, the end side door frame is arranged on the end side of the flexible suspension cable photovoltaic support unit, and a steering device is arranged on the end side door frame; the assembly inhaul cable is arranged on the end side door frame in a striding mode and used for supporting and installing the photovoltaic assembly, the end of the assembly inhaul cable penetrates through the steering device and is connected to a preset fixed position in a cable-stayed mode, and the steering device can guide the assembly inhaul cable to change the direction in the cable-stayed direction. According to the flexible suspension cable photovoltaic support unit, the direction of the assembly inhaul cable can be changed towards the cable-stayed direction through the steering effect of the steering device, cable-stayed anchoring of the end side of the assembly inhaul cable ca