Supporting frame

The utility model discloses a supporting frame which comprises an upper supporting plate, two lower guide plates are symmetrically fixed to the bottom end of the upper supporting plate, and U-shaped pipe supports used for supporting wire pipes are installed on the two lower guide plates in a sliding mode through dovetail grooves. The front baffle and the rear baffle are fixed to the front end and the rear end of the upper supporting plate, two connecting blocks are fixed to the outer wall of the side, close to the upper supporting plate, of the front baffle, two protruding pieces are fixed to the outer wall of one side of the rear baffle, and rectangular hollow parts connected with the protruding pieces in an inserted mode are arranged on the front baffle. Through rapid end-to-end connection and side-by-side connection, the length of the supporting frame can be flexibly extended so as to adapt to arrangement of wire pipes of different sizes and spans, installation personnel can rapidly complete connection wor