Multi-connecting-rod rear auxiliary frame

The utility model discloses a multi-connecting-rod rear auxiliary frame structure which comprises a front cross beam, two longitudinal beams in bilateral symmetry, a rear cross beam front plate and a rear cross beam rear plate which form a frame type structure. Lining sleeves are arranged at the two ends of the front cross beam; one ends of the two longitudinal beams are fixedly connected to the front cross beam in a lap joint mode, and the other ends of the two longitudinal beams are provided with lining sleeves. The end, close to the rear lining sleeve, of a rear cross beam assembly formed by lap joint and fixed connection of the rear cross beam front plate and the rear cross beam rear plate is fixedly connected between the two longitudinal beams in a lap joint mode. An upper control arm mounting bracket and a toe-in control arm mounting bracket which are symmetrically arranged are respectively arranged at the upper and lower parts, close to the front cross beam, of the two longitudinal beams; and an inclin