Balanced drilling liner hanger

The utility model belongs to the technical field of hangers, and particularly relates to a balanced type drilling liner hanger which comprises a body, a coupling, a slip supporting sleeve, an embedded slip, a slip pushing barrel, a first hydraulic cylinder, a second hydraulic cylinder and a centralizing ring, and the coupling, the slip supporting sleeve, the embedded slip, the slip pushing barrel, the first hydraulic cylinder, the second hydraulic cylinder and the centralizing ring are sequentially connected to the body. The first hydraulic cylinder and the second hydraulic cylinder are arranged in a mirror symmetry mode and are the same in specification, one end of the coupling is connected with the body and the slip supporting sleeve, a groove is formed in the upper end of the first hydraulic cylinder, the second hydraulic cylinder is connected with the centralizing ring through a shear pin, and the centralizing ring is connected with the slip supporting sleeve. A first pressure transmission hole and a seco