Non-independent air suspension chassis based on air cylinder

The utility model discloses a cylinder-based non-independent air suspension chassis, which comprises a chassis main body and four suspension units, each suspension unit comprises a cantilever and a cylinder telescopic assembly, the cantilever is hinged with the chassis main body, one end of the cylinder telescopic assembly is hinged with the chassis main body, and the other end of the cylinder telescopic assembly is hinged with the cantilever. The cantilever is hinged to the chassis main body through the hinge joint of the cantilever and the chassis main body; the air cylinder telescopic assembly comprises two cavities which are formed by dividing of a piston and used for storing air, and the two cavities are the first cavity close to one end of the cantilever and the second cavity close to one end of the chassis body respectively. In the advancing direction of the suspension chassis, the first cavities of the two suspension units located at the front end and the rear end of the suspension chassis are communi