Emergency escape extension ladder

The utility model discloses an emergency escape extension ladder, comprising a box body, an extension ladder and a retracting mechanism. The extension ladder is a pipe-inserted type structure, the upper parts of two stand columns of the extension ladder are respectively fixed on the rear wall of the box body by pedestals, the retracting mechanism comprises a pulley and a retracting rope, the pulley is fixed together with the rear wall of the box body and is arranged in the middle of the two pedestals, the retracting rope cooperates with the pulley, the lower end of the retracting rope is fixed together with the center of a cross bar at the bottom end of the extension ladder. The emergency escape extension ladder has the advantages of realizing functions of linked opening and closing of upper and lower cover plates, slow extension of the extension ladder, extension ladder manual retracting, and so on, and finishing rapid evacuation and escape of large numbers of people in buildings under emergency situations, such as fire emergency accident. The ladder has the advantages of being simple in structure, artistic in appearance, safe and reliable, convenient to operate, strong in evacuation capability, wide in application range and long in service life, and so on.