Photovoltaic finished product assembly unit and photovoltaic power station flat single shaft string assembly production line

The utility model discloses a photovoltaic finished product assembly unit and a photovoltaic power station flat single shaft string assembly production line, and the photovoltaic finished product assembly unit comprises a seat box; telescopic pieces A are installed on the seat box, the number of the telescopic pieces A is two, the telescopic pieces A are installed oppositely, and the telescopic pieces A are fixed to the machine shell and fixedly installed on the seat box; the two jacking plates are fixed to the telescopic ends of the telescopic pieces A, and the two jacking plates are oppositely and correspondingly fixed to the telescopic ends of the two telescopic pieces A; the supporting rollers are rotatably mounted on the seat box and are used for supporting the flat single shaft; and a plurality of supporting rollers are rotatably mounted on the seat box below the jacking plate at intervals. The two telescopic pieces A drive the two abutting plates to abut against the two ends of a cross beam in the phot