The invention relates to a tractor follow-up steering system and a tractor, the tractor follow-up steering system comprises a steering front axle, a steering rear axle, a steering gear, an oil tank and an oil pump, the left end and the right end of the steering front axle are provided with front hubs through front steering knuckles in a left-right swinging mode, and a front steering oil cylinder is connected between the front steering knuckles; the left end and the right end of the steering rear axle are provided with rear hubs in a left-right swinging mode through rear steering knuckles respectively, a rear steering oil cylinder is connected between the rear steering knuckles, an oil inlet/outlet of the steering gear is connected with a right oil cavity of a front steering oil cylinder, and a left oil cavity of the front steering oil cylinder is connected with a right oil cavity of the rear steering oil cylinder. A left oil cavity of the rear steering oil cylinder is connected with the other oil inlet/outlet of the steering gear, an oil inlet and an oil outlet of the oil pump are connected with the oil tank and a main oil inlet of the steering gear respectively, and an oil return opening of the steering gear is connected with the oil tank. The steering device has the advantages that steering actions of the front and rear hubs are consistent, and front-wheel main offset steering and rear-wheel follow-up steering are realized.
本发明涉及一种拖拉机随动转向系统及拖拉机,拖拉机随动转向系统包括转向前桥、转向后桥、转向器、油箱和油泵,转向前桥的左右两端分别通过前转向节可左右摆转的安装有前轮毂,前转向节之间连接有前转向油缸,转向后桥的左右两端分别通过后转向节可左右摆转的安装有后轮毂,后转向节之间连接有后转向油缸,转向器的一个进/出油口连接前转向油缸的右侧油腔,前转向油缸的左侧油腔连接后转向油缸的右侧油腔,后转向油缸的左侧油腔连接转向器的另一个进/出油口,油泵的进油口和出油口分别连接油箱和转向器的主进油口,转向器的回油口连接油箱。优点:前后轮毂转向动作一致,实现了前轮主偏移转向,后轮随动转向。
Tractor follow-up steering system and tractor
一种拖拉机随动转向系统及拖拉机
2022-12-09
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |