Fabricated anchor rod sash beam and sash beam mounting device

The fabricated anchor rod lattice beam comprises a fixing sleeve, four lattice beam rods are fixedly connected to the outer side of the fixing sleeve, a mounting groove is formed in one side of each lattice beam rod, a torsion limiting seat is fixedly connected into each mounting groove, and a ditching device is connected to each torsion limiting seat in an inserted mode; the ditching device comprises a sleeve, the bottom of the sleeve is fixedly connected with first ditching rods at intervals, a first supporting rod is slidably connected into the sleeve, a push-out spring is fixedly connected between the first supporting rod and the inner wall of one end of the sleeve, the end of the first supporting rod is hinged to a second supporting rod, and the bottoms of the second supporting rod and the first supporting rod are fixedly connected with second ditching rods at intervals. The end of the second supporting rod is clamped to the inner wall of one end of the mounting groove. The push-out spring can push the h