Auxiliary device for mounting storage tank vertical ladder

The utility model discloses an auxiliary device for installation of a storage tank vertical ladder, and relates to the field of storage tank manufacturing, the auxiliary device comprises a climbing mechanism and N groups of ladder rod connecting mechanisms, the climbing mechanism comprises a ladder stand and two stand columns arranged in parallel, the bottom ends of the stand columns are fixedly provided with a base, the ladder stand is obliquely arranged on the front sides of the stand columns, and the N groups of ladder rod connecting mechanisms are arranged on the base. The pipe hoop assemblies are connected with the ladder rod on one side of the vertical ladder one by one, under the balance weight effect of the climbing mechanism, the vertical ladder is pulled and positioned, shaking and deviation of the vertical ladder are avoided, workers can conveniently install the vertical ladder, the ladder stand is arranged, and the ladder stand is convenient to use and high in practicability. On one hand, a worker