The lifting mechanism is made of high-strength manganese steel giant tubes. Equipped with safety protection devices to prevent overloading of the elevator. Equipped with a safety protection valve to prevent hydraulic pipeline rupture. Equipped with emergency descent device in case of power outage. This product is suitable for mobile high-altitude operations such as installation and maintenance of high-altitude equipment in various industries. According to different requirements, different power forms can be selected (such as three-phase AC power supply, single-phase AC power supply, DC power supply, and internal combustion power supply, etc.), and equipped with manual hydraulic devices, which can be used for normal lifting and working in places with power outage or no power supply. A telescopic platform can also be added, which can be extended to the required position when the platform length is not sufficient, thereby improving work efficiency. It is an ideal equipment product for modern tall buildings and equipment, and is essential for high-altitude safety and civilized production.