The present application relates to the technical field of drive-by-wire hydraulic
steering system, and particularly relates to a drive-by-wire lubricating
system realized by a full hydraulic steering mechanism, comprising a steering oil cylinder one and a steering oil cylinder two, the oil outlet ends of the
oil pressure control valve one and the
oil pressure control valve two are provided with lubricating systems, and the oil outlet end of the lubricating pump is connected with a lubricating
distributor. In the process of switching the steering (i.e. the process of switching the large cavity and the small cavity, the pressure
impact exists), the steering oil cylinder impacts the
steering system, or the wheels bear the road
impact on the bumpy road, the present application realizes that when the pressure of the steering hydraulic
system exceeds the set pressure value of the
oil pressure control valve (the oil
pressure control valve one or the oil
pressure control valve two), the pressure oil at the moment can make the oil
pressure control valve open, and the pressure oil drives the lubricating pump, so as to realize that the lubricating
system drives the
lubrication of each lubricating point. Therefore, the instantaneous
impact force generated during steering and the impact from the wheel side are used as the power source of the system to finally realize the
lubrication of the lubricating points.