| 摘要 |
The present invention provides a curtain type soundproof apparatus installed on a tunnel to minimize the noise and missile generated during an excavation work or a blast work, and having a structure capable of opening and closing a curtain composed of rubber belts. The soundproof apparatus includes an upper side frame horizontally installed at regular heights from the ground; a curtain composed of multiple rubber belts, which have one end fixed on the upper side frame and the other end faced or contacted with the bottom, successively arranged in the length direction of the upper side frame; hangers combined with each rubber belt by being horizontally positioned under one half of the total height of the curtain; a lifting device for lifting the curtain vertically when the hangers are lifted up by the operation thereof. The curtain returns to the original position thereof when the hangers are lifted down. |
