Main tool and auxiliary tool for opening and closing spring cover of coke oven and opening and closing method

The invention discloses a main tool and an auxiliary tool for opening and closing a spring cover a coke oven and an opening and closing method. The main tool comprises a main clamping beam, an adjusting jackscrew hole ring is arranged in the middle of the main clamping beam, a gripper is arranged at the relative position of the adjusting jackscrew hole ring, and fixing rings are arranged at the two ends of the main clamping beam and used for fixing and supporting. The auxiliary tool for opening and closing a spring cover of a coke oven comprises a connecting rod, a handle is arranged at one end of the connecting rod, a hook is arranged at the other end of the connecting rod, an arc-shaped support is arranged between the handle and the hook and close to the end where the hook is located, and an opening of the arc-shaped support faces the hook. The opening and closing method for opening and closing a spring cover of a coke oven comprises the steps that the main clamping beam of the maintool is clamped to the ed