Elevator speed measuring device based on two dimension is fixed

The utility model relates to a special equipment detects technical field, specifically discloses elevator speed measuring device based on two dimension is fixed, including tacho sensor, sensor fixed support, two -dimentional fixed baseplate, tacho sensor includes rotary encoder and tests the speed the gyro wheel, elevator rope is depended on on the gyro wheel that tests the speed top, rotary encoder is connected with the controller that is used for record and control rotary encoder measurement information, its characterized in that: two dimension fixed baseplate includes fixed baseplate board,two L type splint and two nuts, wherein, every L type splint top be provided with with nut complex screw, be provided with the spout on the fixed baseplate board, the screw can pass the spout, and with the nut spiro union through revolving screwed nut, makes two L type splint remove and the fastening in the spout direction, and then makes two L type splint form clamping distance adjustable anchorclamps, and the steel is