The function board of the tool before and after combination, the function before the spring operating mechanism pre installed on the main board, the connection between the main shaft and the three-phase main contactor, with the function board after combination, pre installed on the function board, the three-phase static contact, and fixed on the chain hoist trolley and the decaying function board platform, the action points of the frame circuit breaker tool combination are as follows:
  
1) Because there is a certain error in the height of lifting car every autumn, the compensation must be in the mold. The mold needs to be designed to be able to rise and fall, so the compensation is combined.

2) Because of the chain assembly line, rotary motion is chain drive. If the stop error of each station is large, the merging tooling should be compensated, so the merging tool needs to be designed to move left and right to compensate.

3) Since the movable contact is based on the movable contact and the movable contact, the flexible copper wire welded together is used to weave the wire. Since the middle connection is soft connection, it is necessary to design the support system, the position of the dynamic contact copper bar, and the former and the later are fixed.

4) Because the function back plate is fixed on the trolley of chain hoist, it belongs to fixed object. The function needs to determine the front platform in advance, so that the front platform and the back platform need to be designed before the mobile platform after the tool is merged, so as to meet the function board and improve the function board after merging.