Downhole logging anti-blocking centralizer for oil exploitation

The utility model belongs to the field of centralizers, and particularly relates to an underground logging anti-blocking centralizer for oil exploitation, which comprises a centralizer body, a plurality of bolt holes are arranged on the inner wall of the centralizer body, fixing bolts are mounted in the bolt holes in a threaded manner, a plurality of U-shaped seats are annularly and fixedly mounted on the outer side of the centralizer body, and rotating seats are rotatably mounted in the U-shaped seats. A U-shaped plate is fixedly mounted at one end of each rotating seat, a moving wheel is rotatably mounted in each U-shaped plate, an annular fixing plate is fixedly mounted on the outer side of the centralizer body, an annular adjusting plate is slidably mounted on the outer side of the centralizer body, a hinge rod is hinged to the top of each annular adjusting plate, and the top end of each hinge rod is hinged to the corresponding rotating seat; and a guide mechanism is arranged between the annular adjusting