The assembly frame is a special equipment used in the transformer manufacturing industry for the assembly of large and medium-sized transformers. This equipment generally consists of two frames arranged symmetrically face-to-face. Both sides of the frame can act independently to complete the adjustment of the position of the respective working platform in the height direction and the horizontal direction to meet the different requirements of the operating position during transformer assembly. According to the carrying capacity, it can be divided into: 2 tons, 3 tons, 5 tons, 10 tons, 15 tons, 20 tons, and 25 tons.The size of the countertop is designed and manufactured according to user requirements.