Moving type soundproofing car of smooth blasting tunnels

摘要

PURPOSE: A mobile sound-absorbing vehicle is provided to prevent and/or block dispersion and/or release of blasting sound/noise and broken stones/powders outward by distributing sound-absorbing panels at upper/lower and left/right direction around a vertical frame. CONSTITUTION: The vehicle comprises a main frame(1); a vertical frame(2) among the main frame(1) secured by supporting frames at both sides; a plurality of sound-absorbing panels(21) continuously arranged; a frame assembly(22) inside the vertical frame(2). The panel(21) is in three-way structure including porous plate at front side and rock layer and air layer inside. The upper/lower panels(3,4) are connected by folding at hinge portion(5); and the left/right panels(6) is folded by the hinge(5). The lateral panels(6) have auxiliary sound-absorbing panels(6a,6b) at upper/lower portions.