Steering column of land leveller

The utility model relates to steering devices of land levellers, and particularly provides a steering column of a land leveller. The steering column is divided into an upper steering column body and a lower steering column body, the upper steering column body and the lower steering column body are connected through a universal joint, and the universal joint is used for adjusting the angle of the steering column. The lower steering column body comprises a regulating sleeve, an lower outer cylinder assembly, a transmission shaft sleeve and a lower mandrel hexagonal rod, the regulating sleeve is in sliding fit with the lower outer cylinder assembly in the axial direction, the lower mandrel hexagonal rod is in sliding fit with the transmission shaft sleeve in the axial direction, the transmission shaft sleeve is connected with the regulating sleeve through a bearing, and the lower mandrel hexagonal rod is connected with the lower outer cylinder assembly through a bearing, so that height regulation of the steering