Jiangsu University

Yonghui Zhang

Wei Liu

Jianping Hu

Jun Zhao

Xingsheng Zhao

Huagang Xu

A rotary tillage, sowing, ditching and pressing compound operation machine includes a fertilization and sowing device, an intermediate rotary tillage and ditching device, a frame, a liftable ditcher, and a multi-stage press wheel device. The multi-stage press wheel device includes a front press wheel and a rear press wheel. The front press wheel includes a front press roller shaft, front press rollers, and connecting rods. The rear press wheel includes a connecting plate, a rear press roller shaft, and a rear press roller. A first end of the connecting plate is connected to the rear press roller shaft by a support, and the connecting plate is connected to the frame in a manner of a sliding pair. The rear press roller is mounted on the rear press roller shaft in a manner of a revolving pair, and the rear press roller is located behind the liftable ditcher.

Growing community of inventors

Zhenjiang, China

Yonghui Zhang