Roadside sound barrier device

The utility model belongs to the technical field of noise and vibration prevention and control, and particularly relates to a roadside sound barrier device. Comprising a plurality of supporting columns arranged on a roadside cement wall, first grooves and second grooves are formed in the two sides of each supporting column, a metal acoustic panel screen is inserted into the first grooves of every two adjacent supporting columns, a sound insulation plate is inserted into the second grooves of every two adjacent supporting columns, and the metal acoustic panel screens are arranged on the sides, close to a road, of the metal acoustic panel screens. The metal acoustic panel screen comprises an upper unit and a lower unit, and the upper unit and the lower unit are arranged in a separated mode. Damaged parts are convenient to replace, and materials are saved. 本实用新型属于噪声、振动防治与控制技术领域，具体涉及路侧声屏障装置；包括设置在路侧水泥墙上的若干支撑柱，支撑柱两侧均设置有第一凹槽和第二凹槽，相邻的两个支撑柱的第一凹槽内插入设置有金属吸音板屏，第二凹槽内插入设置有隔音板，金属吸音板屏靠近马路一侧，并且金属吸音板屏包括上部单元和下部单元，上部单元和下部单元分隔设置；