Elastic belt auxiliary mounting tool and mounting structure thereof

The utility model discloses an auxiliary installation tool for an elastic belt and an installation structure of the auxiliary installation tool. The auxiliary installation tool comprises an installation plate, a first guide plate, a second guide plate and a guide boss. A plurality of limiting columns are arranged on the inner side surface of the mounting plate; the first guide plate is arranged onthe outer side surface of the mounting plate, and the outer side surface of the first guide plate is a first guide surface of which the distance to the rotating center of the mounting plate is continuously changed; the second guide plate is arranged on the inner side surface of the mounting plate, the outer side surface is a second guide surface, and the inner side surface is an arc-shaped mounting surface; one end of the first guide face and one end of the second guide face are adjacent in a staggered mode and form smooth transition. The guide boss is arranged on the first guide plate and/orthe second guide plate, a