UNEVENNESS CONTROL POSSIBLE VEHICLES PENETRATION LIMITATION APPARATUS FOR ROAD TUNNEL

摘要

The present invention relates to a vehicle entrance limiting device capable of adjusting the height of a road tunnel, the height adjustment frame 10 is formed by being fixed at both sides of the inlet of the tunnel (1) and the adjustment holes (12) opposed to each other formed in the upper portion And, the lower and upper ends are respectively supported by the drive chain sprocket 20 and the driven chain sprocket 30, in which the handle 22 is installed in each of the height adjusting frame 10, and when the height is adjusted, the handle ( 22, the upper and lower moving chain 40 is rotated by rotating, coupled to the front of each of the height adjustment frame 10 to protect the inside of the height adjustment frame 10, the handle ( The protective cover 60 is formed with a through-hole 62 protruding from the 22, and the front cover of the protective cover 60 is supported by the fixing piece 72 and installed in a plurality at regular intervals. To mitigate impact when it hits the entrance Height-adjusting support brackets 80, one end of which is fastened to the shock absorbing member 70 and the fixed shaft 42 provided on the upper side of each of the moving chains 40, and a guide long hole 84 is formed. It is characterized by consisting of a height adjustment shaft 90 is inserted and fastened horizontally between the guide hole 84 of the height adjustment support bracket 80 is inserted through the plurality of buffer members 70.;Tunnel entrance, vehicle entry restriction, height adjustment