Safety locking device comprising: a) a bolt unit for mounting on the safe side on a door to a danger zone, which bolt unit comprises a guide that can be fixed to the door and a bolt with an actuation handle guided in the guide, b) a bolt cage for mounting to a door frame cooperating with the door c) and an escape unlocking device for unlocking the safety locking device to open the locked door from the danger zone and to be able to escape from the danger zone, characterized in that e) the bolt cage comprises a base plate, that can be fixed to the door frame with a bearing surface for bearing on the door frame and a bolt stopper swivellably articulated on the base plate about a swivelling axis from a locking position into an emergency opening position, and the escape unlocking device, f) that the escape unlocking device has an emergency handle and at least one stopping tip and can take a normal position in which it stops the swivellability of the bolt stopper in the locking position and an escape position in which it releases the bolt stopper for a swivelling movement into the emergency opening position, g) that a stretched bar piece exists between the emergency handle and the stopping tip, which stretched bar piece and which stopping tip are configured displaceable perpendicularly to the bearing surface on the base plate of the bolt cage and in normal position of the escape unlocking device the stopping tip is in stopping operating connection with a first stopping surface of the bolt stopper and a second stopping surface of the base plate and h) that at least one of these operating connections can be released by a displacement of the stopping tip in bar direction. a) a bolt unit for mounting on the safe side on a door to a danger zone, which bolt unit comprises a guide that can be fixed to the door and a bolt with an actuation handle guided in the guide, b) a bolt cage for mounting to a door frame cooperating with the door c) and an escape unlocking device for unlocking the safety locking device to open the locked door from the danger zone and to be able to escape from the danger zone, characterized in that e) the bolt cage comprises a base plate, that can be fixed to the door frame with a bearing surface for bearing on the door frame and a bolt stopper swivellably articulated on the base plate about a swivelling axis from a locking position into an emergency opening position, and the escape unlocking device, f) that the escape unlocking device has an emergency handle and at least one stopping tip and can take a normal position in which it stops the swivellability of the bolt stopper in the locking position and an escape position in which it releases the bolt stopper for a swivelling movement into the emergency opening position, g) that a stretched bar piece exists between the emergency handle and the stopping tip, which stretched bar piece and which stopping tip are configured displaceable perpendicularly to the bearing surface on the base plate of the bolt cage and in normal position of the escape unlocking device the stopping tip is in stopping operating connection with a first stopping surface of the bolt stopper and a second stopping surface of the base plate and h) that at least one of these operating connections can be released by a displacement of the stopping tip in bar direction.