Cross beam fixing plate of photovoltaic module

The utility model relates to the technical field of photovoltaic modules, in particular to a cross beam fixing plate of a photovoltaic module, which comprises a cross beam main body, a trapezoidal plate and a mounting assembly, the mounting assembly comprises two sliding blocks, a screw rod, a pressing and holding piece, two guide rods, an extrusion plate, two stress plates and two limiting pieces, the trapezoidal plate is provided with two sliding grooves and two grooves, and the two sliding grooves are communicated with the screw rod. The two sliding blocks are connected with the corresponding sliding grooves in a sliding mode respectively, the sliding blocks are used for being connected with the photovoltaic module, the sliding blocks are provided with limiting grooves, the two stress plates are connected with the corresponding grooves in a sliding mode respectively, the stress plates corresponding to the limiting pieces are fixedly connected, the limiting pieces are arranged in the corresponding limiting