Circulating wellhead pressurizing device for drilling of ultra-shallow horizontal well

The utility model discloses a recyclable wellhead pressurizing device for drilling an ultra-shallow horizontal well, which comprises a counterweight component and a central rod arranged on the counterweight component, the central rod is of a hollow cylindrical structure, and at least one part of two ends of the central rod extends out of the counterweight component; the counterweight assembly comprises an upper fixing seat and a lower fixing seat, center holes are formed in the middle positions, corresponding to the center rod, of the upper fixing seat and the lower fixing seat, the center rod detachably penetrates through the two center holes in the axial direction of the center rod, and a plurality of counterweight rod sets are arranged on the counterweight assembly along the periphery of the center rod. According to the utility model, the structural design is reasonable, wellhead pressurization and slurry circulation can be synchronously carried out by matching with external equipment, and bit pressure can