LEGO 9686 Machine&Mechnism - 20. Scissor lift (motor)

LEGO 9686 Machine&Mechnism of the lift motor version. The scissor lift in the original science and technology set is a pneumatically operated model, and I tried to make it work as a motor. It is also good to be pneumatically operated, but the motion of the motor-driven guy was more controllable. The pneumatic version can be adjusted by adjusting the valve switch, but the motor is more convenient. The worm gear is used to decelerate the gear and amplify the force, and the shear lift can maintain its height even at the mid height. It is fun.