Car parks with ramp and prevents moving back device

The utility model discloses a car parks with ramp and prevents moving back device, the utility model relates to a car parks with ramp and prevents moving back device, preventing moving back including the wedge and filling up and be used for placing the wedge and prevent moving back the annular of pad and prevent moving back the advance expenditure frame, the wedge is prevented moving back filling up and is installed in the annular prevents moving back the advance expenditure frame, and the annular is prevented moving back the advance expenditure and is set up and be used for the mounting hole be connected with solebar. Still include jump ring and jump ring clamp plate, the jump ring is installed through the jump ring clamp plate and is prevented moving back the advance expenditure frame outside in the annular. The wedge is prevented moving back stacking up and is equipped with anti -slipping face and catching groove, anti -slipping face is on the wedge prevents moving back the inclined plane of pad, the catching groove is located the wedge and prevents moving back the pad terminal surface. The utility model has the advantages of, convenient to use, simple structure, safe and reliable, with low costs.