Slewing drive is a gearbox that can bear axial load, radial load, and tilting moment. It usually consist of a driving motor, a slewing bearing, a housing, and a worm gear drive. The working principle of slewing drive is to use the worm gear drive to rotate the inner ring gear of the slewing bearing, which makes the crane rotate horizontally or vertically. The worm gear drive has a self-locking function, which means that the crane can maintain its position even after the motor stops working.
The slewing drive is usually installed between the crane base and the upper structure. It is fixed to the base by means of bolts, and the upper structure is installed on the slewing drive. The installation position of the slewing drive should be chosen carefully to ensure the stability of the crane.
The slewing drive plays an important role in the operation of the crawler crane. Its function is to ensure the smooth rotation of the crane and the transmission of power between the upper and lower structures. Without a slewing drive, the crane cannot rotate horizontally or vertically, which greatly affects its work efficiency. Therefore, the slewing drive is an indispensable part of the crawler crane.
The choice of a slewing drive depends on the requirements of the crane. The wrong choice of slewing drive can lead to serious consequences such as damage to the crane, and even accidents. When choosing a slewing drive, factors such as load capacity, rotational speed, and working environment should be taken into consideration. It is important to choose a high-quality, reliable slewing drive to ensure the safety and stability of the crane.
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| Parameter | Description |
|---|---|
| Load Capacity | The maximum load that the slewing drive can bear. |
| Rotational Speed | The maximum rotational speed of the slewing drive. |
| Working Environment | The temperature, humidity, and other environmental factors that the slewing drive will be exposed to. |
| Size | The dimensions of the slewing drive, including the diameter and height. |
When purchasing a planetary gearbox/reducer, it is important to consider these factors to ensure that the product meets the requirements of your application.
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