Crashproof structure at urgent truck escape ramp crossing

The utility model discloses a crashproof structure at urgent truck escape ramp crossing, including truck escape ramp, offered a cavity in the middle of the truck escape ramp, a fixed frame is installed in the embedding in the cavity, fixes the up end opening of frame, and the upper end open end both sides embedding of fixed frame is provided with the more than one bearing, installs a pivot between the bearing of the left and right sides, and the cover is equipped with an axle sleeve in the pivot, and the inlet port end that lies in truck escape ramp is provided with the reduction gears, lies in the top of fixing the frame and is provided with a buffer gear. The utility model discloses simple structure through set up the axle sleeve and pivot structure more than on truck escape ramp, realizes that the car can effectively stop the vehicle and go forward under out of control state, guarantees vehicle safety, and other establishes buffer gear and reduction gears, further guarantees vehicle safety. 本实用新型公开了种紧急避险车道