Ultra-high pressure fracturing and acidizing oil-extracting wellhead device

The utility model discloses an ultra-high pressure fracturing and acidizing oil-extracting wellhead device, belonging to the field of oil-extracting equipment devices. An oil pipe hook is arranged on a step in an oil pipe head; a short joint is arranged at the lower part of the oil pipe hook; the end part of a short joint top screw pushes against the upper part of the oil pipe hook; an oil pipe is arranged in the oil pipe head by a hanger; and the top end of a sleeve extends into the oil pipe head and is sealed by a BT sealing structure. The ultra-high pressure fracturing and acidizing oil-extracting wellhead device is characterized in that two sides of the oil pipe head are sequentially provided with a sleeve gate valve, an instrument flange, and a sleeve gate valve; the instrument flange is provided with a check valve and a pressure gauge; the upper part of the oil pipe head is provided with a whole combined gate valve; and two sides of the whole combined gate valve are connected with a fixed throttling val