Clamp type fire escaping device

The utility model provides a clamp type fire escaping device which is simple, practical, low in cost and suitable for use by extensive residents. According to the clamp type fire escaping device, a thicker plate is bent into a U shape to be used as an inner clamp and an outer clamp respectively, and the side faces of the inner and outer clamps are provided with concentrical through holes; a body material is bent into a whole circle or two small circles to be arranged at the lower ends of the inner and outer clamps; when the whole circle is adopted, a belt is applied; when the two small circles are adopted, rolling wheels are arranged in gaps in the middle of the two small circles, small shafts horizontally penetrate through the gaps and are in tight fit with the small circles, and the rolling wheels can roll on the small shafts, in such condition, a rope is applied; and since the two side faces of the inner and outer clamps are provided with the through holes, the inner and outer clamps, a torque spring and s