Telescopic positioning lifting appliance for measuring perpendicularity of shear wall

The utility model belongs to the technical field of telescopic positioning lifting appliances, and particularly relates to a telescopic positioning lifting appliance for measuring the perpendicularity of a shear wall, which comprises a first measuring plate, a second measuring plate, a motor, a screw rod, a sliding block, a sliding rod and a measuring assembly, the second measuring plate is arranged at the top of the first measuring plate; a first groove is formed in the top of the first measuring plate; a second groove is formed in the bottom of the second measuring plate; the motor is fixedly connected to the bottom of the first groove; the length of the device can be adjusted by arranging the first measuring plate, the second measuring plate, the motor, the lead screw, the moving block, the fixed block, the sliding rod and the sliding block and depending on mutual cooperation of the parts, so that measuring personnel do not need to stand at a high position for measurement, use of the measuring personnel ca