Steel truss multidirectional self-anchoring assembly type fireproof device

The invention discloses a steel truss multidirectional self-anchoring assembly type fireproof device which comprises a passive fireproof plate, an upper side active fireproof plate and a lower side active fireproof plate. The passive fireproof plate comprises a thin steel plate, a fireproof rock wool outer layer and a fireproof rock wool inner layer which are sequentially arranged from outside to inside; after the fireproof rock wool outer layer is attached to the fireproof rock wool inner layer, a step-shaped clamping part is formed on the periphery; v-shaped steel plate anchoring heads are arranged on the periphery of the thin steel plate; a compression spring is arranged on the inner side of the upper active fireproof plate; the upper active fireproof plate is provided with an active fire extinguishing mechanism, and the lower active fireproof plate is provided with a fire extinguishing trigger mechanism. The active fire extinguishing mechanism and the fire extinguishing triggering mechanism ...