Winch assembly and traction - types and device
The device can be lifted( lifts cargo) and pulling( according to its purpose, it moves the cargo horizontally).With regard to the drive, these mechanisms can be divided into winches, manual traction and electric.
Regarding the principle of operation of the device can be divided into lever, worm, hydraulic, mechanical. They can also be classified according to the mechanism design: multi-drum and single-drum, multi-speed and single-speed.
Electric traction winch is used for moving loads horizontally. It consists of a traction drum that is driven by a diesel engine. Also included in the device are a torque converter, a reducer, a braking system, a chain and a cylindrical open gear train.
Thanks to the torque converter, the traction speed is controlled. To make the movement on the winch there must still be a rope. Accordingly, the principle of its work is that the load is attached to the rope and the traction mechanism is activated.
Electric winch with pulling force perform lifting and lowering of loads during the repair of any equipment. They can also be used on construction sites for loading or unloading materials.
Winch pulling force or parameters for selecting the
equipment In order not to make a mistake in choosing a device, it is necessary to know what the pulling force of the winch is. If the load rises vertically, then the thrust must necessarily be greater than the mass of the load. In other cases, this parameter must be calculated from more complex formulas.
Winch assembly and traction, as well as construction, are constantly used on construction sites. Thanks to the device it is possible to considerably facilitate human labor: automatically pull up and move heavy objects, make loading or unloading of materials.
They are used in the installation of various building structures. Also, the device can be used as an element of cranes or other machines.
This equipment can also be found when installing pipelines, moving various carts. Traction winches perform axial movement of cargo for a short distance. Usually they have one drum, although there are also multi-drum devices.
Traction winch - safety engineering
For safe use of the device on the construction site, it is necessary to make the correct calculation of the winch pulling force. This takes into account not only the weight of the load and the speed of the drum. If, when lifting the load, only gravity acts, then the force of friction also prevents movement( if it does not happen on weight).In some cases, the inclination of the displacement is also calculated.
Winch calculation is an important procedure. However, no less significant is the proper operation of the device. Use it only when wearing gloves, and you should be careful while being near the mechanism, as an accidentally broken cable can cause severe injuries.
If the use of the device is not provided, then it must be completely disabled. You can turn it on only when you have checked the reliability of securing the load. After the work is done, you must first disconnect the winch, and then go to it. It is also necessary to properly pull and guide the cable so that it winds evenly.
