All-terrain fixing structure for truck crane

The utility model discloses an all-terrain fixing structure for an automobile crane, which is applied to the technical field of cranes and is provided with a cushioning and releasing mechanism, when the all-terrain fixing structure is used, a rotating block is driven to rotate through a connecting block, so that an annular block is fixed in position, and then fine adjustment is performed through a lifting support structure; by arranging the clamping column, the surface of the clamping column makes contact with the inner wall of the annular block, then the lifting supporting structure drives the adjusting mechanism to move, the adjusting mechanism drives the annular block to move, when the sleeper block makes contact with the ground, the top of the sleeper block makes close contact with the bottom of the adjusting mechanism, and supporting work is facilitated; during use, when the lifting supporting structure is lifted to a proper position, the rotating assembly is rotated to a proper position through the shap