Their design, applications and safety regulations in principle a winch is a device with which you, as you can see the name, can move something using a rope. This one uses typically a cylindrical-shaped pulley on which the rope is wound either by muscle power or by a motor. The rope while related can either consist of traditional natural fiber, metal alloys or multi-port polyethylene. The different winch differ in their construction. There are drum winches and so-called traction sheave.
The rope winches at the drum winch is mechanically, hydraulically or electrically rolled up. The children adjacent shelf of each rope coils can be achieved either by a proper free route clearance between belt and drum, or by an additional rope guide. In such constructions the entire pulling force of the rope onto the drum, with the dependence on driving torque and RADIUS with the increase of the locations on the drum inevitably to one Results in loss of traction. Thus reducing the pulling force of a winch innermost position to regions by approximately 50% (5% so estimated starting from 4-5 layers of rope per location). Traction sheave winds this design wrapped around the rope to a rope spill and then (that’s why they are called also spill winds) wound on a reel.
The reel exerts only a bias in this network, so that the rope has a sufficient friction on the drum. Through this operation, the winds generated a constant tensile force and speed of the rope over the entire length of the rope. Only the increased space requirements of this more elaborate design is disadvantageous because. Areas of application the various constructions suit the respective scope type and size. Which is very popular and installation on vehicles, which help themselves, such as off-road vehicles (can even shifting away from heavy terrain) or be used by E.g. firefighters, THW and civil protection in mountain operations.