Light-weight cab rear suspension support of heavy truck

The utility model discloses a light-weight cab rear suspension support of a heavy truck, which belongs to the technical field of vehicle chassis, and comprises a support body and a connecting part arranged at the top end of the rear suspension support, the support body comprises a first part and a second part, the first part is provided with a groove, and the second part is provided with a groove. A first reinforcing rib is fixedly connected between the first part and the second part, a second reinforcing rib is fixedly connected between the first part and the second part, a fixed lifting lug is arranged on the support body, a lifting lug is arranged on the support body, the first part comprises a pair of first side plates, the second part comprises a pair of second side plates, and the first reinforcing rib is located between the pair of second side plates. The first reinforcing rib is perpendicular to the pair of second side plates. The supporting strength of the heavy truck cab rear overhang support can be