Electric cylinder driving device and walking beam pumping unit including electric cylinder driving device

An electric cylinder driving device, comprising:

• an electric cylinder outer tube, an electric cylinder inner tube, a ball screw, an electric cylinder piston, a ball screw nut, and an elastic oil scraping device;
• wherein the electric cylinder outer tube is sleeved on the electric cylinder inner tube, the ball screw nut is installed in an upper end of the electric cylinder inner tube, an end of the ball screw is movably connected in the electric cylinder outer tube, and another end of the ball screw matched with the ball screw nut is inserted into the electric cylinder inner tube;
• the electric cylinder piston is disposed between the electric cylinder outer tube and the electric cylinder inner tube;
• a lower end of the electric cylinder inner tube is internally provided with an oil pool;
• the elastic oil scraping device is installed on the electric cylinder piston, and the elastic oil scraping device is disposed between the electric cylinder piston and an inner wall of the electric cylinder outer tube.