This invention provides a kind of life-saving device. Said device provides a braking hankle on one side of the shell body, one end of the top axle is connected with the braking handle, and the other end through the shell body connected with a curved pressing plank, with a roundabout device seated between the curved pressing plank and a pressing board. This pressing board is connected with the shell body. The roundabout device, upper pulley, lower pulley are connected with the shell body and a cover respectively. A security rope enters from the upper shell body, through lower pulley and upper pulley and lead out from lower shell body, and the safety belt is connected under the shell body. Said life-saving device is simple structured, easy to process and installation, handy in operation, safe and reliable, may be used for one or more people simultaneously, is more or less an ideal device in high buildings construction, military, exploring and mountaineering fields. |