The worm gear screw lifting jack, also known as the QWL lifting jack, is widely used in industries such as machinery, metallurgy, construction, and hydraulic equipment. It features multiple functions including lifting, lowering, and advancing, flipping, and adjusting to various height positions. The SWL worm gear screw lifting jack is a fundamental lifting component.

The worm gear screw jack boasts many advantages, including a compact structure, small size, light weight, a wide range of power sources, noiseless operation, easy installation, flexible use, diverse functions, multiple matching forms, high reliability, and long service life.

It can be used individually or in combination, accurately controlling and adjusting the lifting or propulsion height according to a certain program. It can be directly driven by an electric motor or other power source, or operated manually. It comes in various structural and assembly forms, with lifting heights customizable to the user's requirements. The device features self-locking capabilities.