Suspension cable-stayed sound insulation device for classroom outer wall

The invention provides a suspension cable-stayed sound insulation device for a classroom outer wall. The device comprises an adjustable upper stay cable with one end hinged to the upper portion of a classroom frontage window of the classroom outer wall, wherein the other end of the adjustable upper stay cable is hinged to the upper end of a sound insulation plate, the lower end of the sound insulation plate is hinged to a lower sound insulation plate support below the classroom frontage window of the classroom outer wall, and rainwater collection diversion trenches are arranged on the lower sound insulation plate support and the inner side of the sound insulation plate. The device has the advantages of being simple in structure, convenient to use and capable of effectively reducing influences of road noise on frontage classrooms so as to guarantee that students can learn in a relatively quiet environment. 本发明提供了种悬挂斜拉式教室外墙隔音装置，包括端铰接在教室外墙体的教室临街窗户上方的可调式上拉索，所述的可调式上拉索的另端铰接在隔音板的上端，所述的隔音板的下端铰接在教室外墙体的教室临街窗户下方的隔音板下支架上