Multi-axis grouping steering gear

The utility model relates to a multi-shafts grouping steering device in multi-shafts automobiles, which comprises a steering wheel (2), a steering driving device (1), a power steering gear (3) provided with a steering distribution valve, a front steering group, and at least a rear steering group. The utility model is characterized in that the front steering group comprises a steering ladder type mechanism, a steering boosting cylinder, a steering interlock cylinder, a steering draw rob mechanism, and a front steering group interlock mechanism, wherein the power steering gear is connected with the steering draw rob mechanism (5) through a swinging arm which is assembled on an output shaft on the steering draw rob mechanism, the rear steering group comprises the steering ladder type mechanism, the steering boosting cylinder, a centering cylinder, the interlock cylinder, and the rear steering group interlock mechanism, and the steering distribution valve (3), the steering boosting cylinder, the interlock cylinder, and the centering cylinder are all connected in a steering liquid pressure system. The utility model realizes the synchronous steering of the front and the rear steering groups, and the individual steering of the front steering group, when the front steering group is individually steered, the rear steering group is automatically and rigidly locked in a mid-position, which guarantees the stability of the automobiles in high speed running.