Spring type displacement compensation device

A spring type displacement compensation device is characterized in that a shaft penetrates through center holes of a lower end cover and an upper end cover from bottom to top, a first nut is mounted at the upper threaded end of the shaft, and the lower end of the shaft is connected with a lifting bolt; a right-handed spring and a left-handed spring are arranged between the lower end cover and the upper end cover on the outer side of the shaft; the upper end of the right-handed spring and the lower end of the left-handed spring are connected through an isolating ring arranged on the outer side of the shaft; an inner cylinder is mounted on the lower side of the upper end cover and located on the outer side of the left-handed spring, and an outer cylinder is mounted on the upper side of the lower end cover and located on the outer side of the right-handed spring; a U-shaped pull rod penetrates through the edge of the upper end cover; and two ends of the U-shaped pull rod are respectively fixed on the lower end c