Working platform combination device

The utility model discloses a working platform combination device, which belongs to the technical field of machining equipment and comprises a base for fixing a bottom plate of a workpiece. The deviceis characterized in that the two stand columns located at the front end are each provided with a rotary centering positioning frame rotating in the axis direction; a fixed centering positioning framematched with a control box support of a workpiece is further arranged between the two stand columns located at the rear end. The top of the support is provided with a T-shaped positioning base used for positioning a workpiece arch-shaped cross rod, and one side of the support is provided with a cross-shaped positioning frame used for positioning a control box support. The beneficial effects of the utility model are that: the utility model discloses: the beneficial effect is: According to the device, through cooperation of the T-shaped positioning base and the cross-shaped positioning frame, the problem that the positi