Adjustable component fixing device and tower crane tool beam adjusting and fixing system

The utility model provides an adjustable component fixing device and a tower crane tool beam adjusting and fixing system. The adjustable component fixing device comprises a bearing plate, an adjusting mechanism and fixing feet, wherein the adjusting mechanism and the fixing feet are connected with the bearing plate; wherein the adjusting mechanism is arranged above the bearing plate; the fixing feet are arranged below the bearing plate and used for being connected with a tool beam. The tower crane body is connected with the bearing plate through the adjusting mechanism, and the position of the tower crane body relative to the tool beam can be adjusted through the adjusting mechanism. According to the device provided by the utility model, when a wall body is inconsistent in structure in the climbing process of the tower crane, the tower body can be adjusted through the adjusting mechanism, and the position of the tower body can be changed along the bearing plate, so that the position of the tower body relative