Lift flat bed positioner

The utility model provides a lift flat bed positioner, including electric putter, electric putter support, clamping orient pole, uide bushing seat, gyro wheel positioning seat, feather key, connectorplates, first round pin, second round pin. Electric putter support, uide bushing seat are fixed on connector plates, and connector plates then fixes on elevator car, and the gyro wheel positioning seat is then fixed in the well, electric putter support and electric putter pass through the second pin junction, and electric putter uses feather key for lead through first pin junction, clamping orientpole in inserting the uide bushing seat with the clamping orient pole, the clamping orient pole electric putter effect down, insert the clearance between two rollers of gyro wheel positioning seat in, realize fixing a position the flat bed. The utility model has the advantages of simple structure, the location is accurate, and operational safety can be high, is applicable to tunnel stack class and plane movement type mech