Lifting mechanism of high-strength manganese steel huge tube production. Prevent overloading of the lift with safety protection device. To prevent rupture of the hydraulic piping with security valve. With power down in case of emergency equipment. The product is applicable to all industries high-altitude equipment installation, maintenance and other mobility-altitude operations. Choose according to different requirements of different forms of power (such as: three-phase AC power, single-phase AC power, DC power supply and internal combustion power, etc.), plus coupled with manual hydraulics, power or no power in the usual place down to work and stretching plus platform, the platform can be extended to a length less than the desired location, thereby improving efficiency. Modern tall buildings, equipment, equipped with the ideal product is safe and civilized production of the necessary height.