Balance block moving device of wide-belt chain reversing pumping unit

The utility model discloses a broadband chain reversing pumping unit balance block moving device which comprises a handle, an attraction and release mechanism, a protection mechanism and a strong magnetic attraction plate, the handle is connected with the strong magnetic attraction plate through the attraction and release mechanism, the attraction and release mechanism comprises the protection mechanism, a blind hole is formed in the lower end face of the strong magnetic attraction plate, and a plurality of permanent magnetic strips are arranged on the inner side of the blind hole of the strong magnetic attraction plate; the suction and release mechanism comprises a shaft sleeve. According to the utility model, due to the arrangement of the suction and release mechanism, the connection and release of the strong magnetic suction plate relative to the balance block are completed through the cooperation of the cam, the suction and release top shaft and the spring, the adsorption taking-out and release separation