Fixing device for elevator lead screw

The utility model relates to a fixing device for an elevator screw rod, which is mainly used for clamping and fixing the elevator screw rod and comprises a mounting seat, a driving mechanism arranged on the mounting seat and a clamping mechanism arranged on the mounting seat, two clamping plates are arranged on the clamping mechanism, the driving mechanism drives the two clamping plates to move, and the driving mechanism drives the two clamping plates to move. A clamping area used for clamping the lead screw is formed between the two clamping plates. The utility model relates to the field of elevators, when a car is static, two clamping plates of a fixing device clamp and fix a lead screw, and certain supporting force is provided for the lead screw; when the car is about to move to the fixing device, the two clamping plates of the fixing device act to be opened, the elevator passes through the fixing device, and the clamping plates clamp and fix the lead screws; by means of the mode, the long lead screw can b