Automatic speed limit shock attenuation elevator

The utility model relates to an elevator field of making, concretely relates to automatic speed limit shock attenuation elevator. The utility model discloses an above -mentioned technological purpose can realize through following technical scheme: an automatic speed limit shock attenuation elevator, includes car, balancing weight, hauler, towline and guide rail, its characterized in that: the car bottom is equipped with the bottom breaker, be connected with on the car and be used for detecting the car is in lifting speed's speed sensor and receipt on the guide rail the controller of speed sensor data, be equipped with on the car lateral wall and receive can outwards release and be used for behind the signal of controller with the well wall or decelerator and arresting gear that the guide rail was contradicted, decelerator contain with headboard that the car is connected with establish on the headboard and be used for with the friction piece that guide rail or well wall were contradicted. The utility model aims at providing an automatic speed limit shock attenuation elevator can be according to actual speed of going up and down, and the very first time makes decelerator and arresting gear work to personal security in the protection elevator.