Modularized assembly type multi-slope roof steel structure roof truss

The utility model discloses a modularized assembly type multi-slope roof steel structure roof truss, which belongs to the technical field of buildings and comprises a plurality of isosceles triangle trusses, a plurality of right triangle trusses, a plurality of roof longitudinal beams, a plurality of house bottom longitudinal beams and a plurality of sets of brackets. Any two adjacent isosceles triangular trusses are arranged in parallel, an upper chord and a lower chord of the right-angle triangular truss are detachably connected with an upper chord and a lower chord of the isosceles triangular truss on the outermost portion through a first connecting piece and a second connecting piece respectively, each of the first connecting piece and the second connecting piece comprises a connecting plate, bolt holes are formed in the connecting plates, and bolt assemblies are arranged in the bolt holes. The roof longitudinal beam is detachably connected with the truss through a third connecting piece; and the isoscele