Cab front window framework mounting explorator

The utility model belongs to the technical field of cab front window framework installation, and discloses a cab front window framework installation explorator which comprises a compactor and a supporting cross beam assembly, and cross beams which are evenly distributed at equal intervals are arranged in a supporting body in the transverse direction and the vertical direction. A positioning blockmounting surface is arranged above the joint of the cross beam and the supporting body; the compactor comprises a handle assembly, a pressing block, a positioning rod, a connecting rod, a positioningpin and a hinge shaft, one end of the connecting rod is connected with the pressing rod, the other end of the connecting rod is connected with the positioning rod, the handle assembly is installed atthe upper end of the pressing rod, the pressing block is installed at the lower end of the pressing rod, and a positioning pin hole and a hinge hole are formed in the lower end of the positioning rod;and an opening position pos