Handle loss-prevention automatic transfer switching equipment

A set of handle loss-prevention automatic transfer switching equipment is provided. The handle loss-prevention automatic transfer switching equipment includes a bottom plate, a motor, two executing switches, two escapement mechanisms, a mandrel, a controller, a housing and a spring locking tongue mechanism; a left side portion of the edge of the lower end of a manual/automatic state transfer switch is recessed inwards so as to form a clamping groove; a hole into which one end of an L-shaped handle can be inserted is formed in a bottom surface at the left side of a handle cabin; and a position on a bottom surface of the right side of the handle cabin is recessed downwards so as to form a groove; the spring locking tongue mechanism is composed of a locking tongue and a spring; the locking tongue is composed of a cuboid-shaped clamping seat located at the upper part and a supporting rod of which the upper end is connected with the bottom surface of the clamping seat; the supporting rod is arranged in the groove