Tire gantry crane, mainly used for ship handling, large component handling, loading, unloading and other operating places; the use of multi-point combined spreader, can meet the customer's hoisting work in a variety of complex working conditions, the whole machine can rotate around the geometric center 360o, The whole machine adopts full hydraulic transmission walking mechanism and lifting mechanism to achieve stepless speed change, which can meet the requirements of customers in different working conditions; the walking mechanism adopts hydraulic closed circuit, which has the characteristics of high transmission efficiency and low failure rate; has perfect safety indication and overload protection device to ensure the safety of operators and equipment to the greatest extent, and the action of all mechanisms adopts CAN-bus bus control