Safe and automatic brake device of oil extraction operation equipment

The utility model discloses a safe and automatic brake device of oil extraction operation equipment, which relates to the technical field of oil extraction equipment and comprises a frame, an electro-hydraulic push rod is arranged on the upper surface of the frame, two fixing rings are sleeved on the outer surface of the electro-hydraulic push rod, and the telescopic end of the electro-hydraulic push rod penetrates through the frame and extends to the position under the frame. A vertical plate is fixedly connected to one side of the bottom face of the vehicle frame, a connecting block is fixedly connected to the telescopic end of the electro-hydraulic push rod, and a fixing plate is fixedly connected to the bottom face of the connecting block. According to the safe and automatic brake device of the oil extraction operation equipment, through cooperation of the electro-hydraulic push rod, the first connecting plate, the second connecting plate, the ratchet wheel, the shoe, the fixing frame, the first connectin