The device employs a worm gear and lead screw combined transmission structure, divided into two types: lead screw vertical movement and nut vertical movement. It features self-locking functionality, as well as compact structure, small size, lightweight, wide power source compatibility, and noise-free operation. It supports motor-driven or manual operation, offers convenient installation, and can be used individually or in combination for precise height control. The lifting stroke is customizable, with a rated load capacity of up to 150kg. It is suitable for ambient temperatures ranging from -20°C to +80°C and boasts advantages such as long service life.