Track semi-closed sound barrier

The utility model relates to the technical field of sound insulation, in particular to a track semi-closed type sound barrier which comprises an installation base, a telescopic buckle foundation, a vertical section sound barrier and an arc section sound barrier, the telescopic buckle foundation is connected with the installation base in a supporting mode and comprises a foundation connected with the sound barrier, and four embedded body main bodies and baffles are arranged below the sound barrier connection foundation. The four embedded body main bodies are arranged at the four corners of the mounting base and embedded into the mounting base. According to the sound barrier structure, all the modules can be connected in a buckle or sliding way mode, the using amount of bolts is reduced, the stability of the structure is improved, and installation is more convenient and faster; the sound barrier structure is composed of the vertical section sound absorption structure and the arc section sound insulation structu