Modular saddle of suspension bridge

The invention discloses a modular saddle of a suspension bridge. The modular saddle of the suspension bridge comprises a saddle bottom plate, a saddle side wall, a cable trough cushion block assembly and a positioning pull rod assembly, the top of the saddle bottom plate is detachably connected with the bottoms of the two saddle side walls, the two saddle side walls are arranged in parallel, a positioning pull rod assembly is arranged between the two saddle side walls in a penetrating mode, and cable groove cushion block assemblies are arranged between the saddle bottom plate and the two saddle side walls. The cable groove cushion block assembly comprises a middle cable groove cushion block and two first side cable groove cushion blocks which are symmetrically arranged, the bottom of the middle cable groove cushion block is detachably connected with the top of the saddle bottom plate, and the bottoms of the two first side cable groove cushion blocks are connected with the top of the saddle bottom plate; the l