Hoisting device, urea tank assembly and vehicle

The utility model relates to a hoisting device, urea tank assembly and vehicle wherein the hoisting device comprises: a spacing assembly, which has an accommodating space for accommodating the urea tank assembly and can support the urea tank assembly; the hoisting assembly is movably arranged on the limiting assembly and is connected with an external hoisting device; wherein the lifting assembly comprises a plurality of lifting positions in the moving process, and the lifting postures, corresponding to the lifting positions, of the urea tank assembly are different. In the application, on one hand, the hoisting assembly is matched with the limiting assembly, so that the urea tank assembly can be hoisted upwards, and the urea tank assembly can be conveniently moved and transported in the mounting process; and on the other hand, the hoisting assembly can move on the limiting assembly, and when the urea tank assembly is hoisted, the hoisting point can be flexibly adjusted, so that the hoisting point is located on