Elevator emergency rescue channel structure

The invention discloses an elevator emergency rescue channel structure which comprises a rescue access door and a crawling ladder. A lower small straight beam is arranged on the position, corresponding to the rescue access door, on a lower front cross beam; the lower small straight beam extends inwards and is fixed onto a corresponding lower straight beam through a lower small cross beam; the lower straight beam, the lower small cross beam, the lower small straight beam and the lower front cross beam enclose to form a lower rescue access port; a lower door entering floor and a lower layer changing floor are paved on the lower rescue access port; an upper small straight beam is arranged on the position, corresponding to the rescue access door, on an upper front cross beam; the upper small straight beam extends inwards and is fixed onto a corresponding upper straight beam through an upper small cross beam; the upper straight beam, the upper small cross beam, the upper small straight beamand the upper front cros