Development of Auxiliary Device on Improving Utility Efficiency of Flood-prevention Dump Truck

The large dump truck has played an important role in Yellow River flood-prevention and emergency handling. In order to solve the existing problems of flood-prevention, the dump truck back-door auxiliary self-locked device, self-cleaning device of vehicle bottom board sand and portable large floodprevention vehicle swift tyre changing device are developed. Its achievements can be used for other same kind of construction transportation devices.