Light hoisting device and method for vehicles

The invention provides a light hoisting device for vehicles. A worm and gear device, a hoisting rod, a transmission device and a clamping device are arranged in the hoisting device. By rotating the transmission device, a worm and gear in the worm and gear device is driven to operate, and the worm and gear drives the hoisting rod to move up or down. The clamping device is clamped to a door frame ofa vehicle, and therefore the hoisting device can be suspended on a door opening of the vehicle to hoist articles. The light hoisting device is arranged on the portion with a certain height on the vehicle door, the height can be determined according to the height of the hoisted articles, then a handle of a locking bolt can be screwed down, and the articles can be hoisted conveniently. In the wholeusing process, one person can operation and complete the process without the help of other tools. The hoisting tool is provided with a self-locking device, it can be ensured that in the hoisting process, the articles will not