Excavator walking automatic oiling device, control system and method

The invention discloses an excavator walking automatic oiling device, a control system and a method, and relates to the technical field of oiling. The device comprises an oil injection unit, the oil injection unit comprises an oil injection shell, an inner cavity of the oil injection shell is slidably connected with a compression piston, and the inner cavity of the oil injection shell of the compression piston is divided into a compression area and a driving area; the oil distributing unit comprises an oil way distributor, an oil distributing end cover, a transition pipe, an oil distributing and injecting pipe and a branch pipe connector. The oil injection system has the beneficial effects that starting and stopping of the pneumatic oil pump are controlled by adjusting the power supply time of the output end of the time relay, and then the oil injection time and the oil injection amount are adjusted; the lower end of an original walking lubricating oil pump contactor is directly connected with a three-phase a