Stage telescopic sound reflection device

The utility model provides a telescopic sound reflection device for a stage. The utility model relates to the technical field of stage equipment, the device comprises a mounting base and an unfoldingframe arranged on the mounting base, fixed base columns are arranged at the ends of the mounting bases, extending beams extending in the direction away from the mounting bases are arranged on the unfolding frames, extending rods in the same extending direction as the mounting bases are arranged at the ends of the extending beams and connected with the extending beams through limiting blocks, unfolding columns are arranged at the ends of the extending rods, and sound reflecting cover plates are arranged between the fixed base columns and the unfolding columns. The stage telescopic sound reflection device is simple in structure, stable in fixation, convenient to fold and adjust the direction, free of manual adjustment and high in control efficiency. 本实用新型提供一种舞台伸缩式反声装置，涉及舞台设备技术领域，包括安装座和设置于安装座上的展开架，安装座端部设置有定基柱，展开架上设置有