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1. Different concepts
1. Slewing bearing
The slewing ring is a new type of mechanical parts, which is composed of inner and outer rings, rolling elements, etc. The slewing ring is a large-scale bearing that can accept generalized loads, and can simultaneously accept large axial and radial loads and overturning moments.
2. Turntable bearings
The slewing bearing is a large bearing with a special structure that can simultaneously accept large axial loads, radial loads and overturning moments and other generalized loads, and integrates multiple functions such as support, rotation, transmission, and fixation.
Two, the structure is different
1. Slewing bearing
The slewing drive is generally composed of worms, slewing bearings, housings, motors and other components. Because the core component adopts slewing bearing, it can receive axial force, radial force, and tilting moment at the same time. There are many ways, but the structure and composition are fundamentally different.
2. Turntable bearings
Slewing bearings are generally composed of four major components: inner ring, outer ring, rolling element, and spacer block. Because the core component adopts slewing bearing, it can receive axial force and radial force at the same time. There are many ways, but the structure and composition are fundamentally different.
Three, use different
1. Slewing bearing
Slewing bearings are widely used, and construction machinery is the place where slewing bearings are initially used and widely used, such as earthmoving machinery, excavators, collapsers, stackers and reclaimers, graders, road rollers, dynamic compactors, rock drilling machines, roadheaders, etc.
There are other concrete machinery: concrete pump truck, concrete mixing boom integrated machine, belt distributor Feeding machinery: disc feeder, sand mixer; lifting machinery: wheel crane, crawler crane, door Block cranes, tower cranes, fork cranes, cranes, gantry cranes.
Ground treatment machinery: impact reverse circulation drilling rig, rotary drilling rig, impact rotary drilling rig, rotary drilling rig, reverse circulation rotary drilling rig, forward circulation rotary drilling rig, long spiral engineering drilling rig, submersible engineering drilling rig, static pile press, pile driver .
Engineering vessels: dredgers; special vehicles: bridge inspection vehicles, fire trucks, window cleaners, flat beam trucks, aerial work vehicles, self-propelled aerial work channels; light industrial machinery: beverage machinery, bottle blowing machines, packaging machinery, Filling machine, rotary bottle unscrambler, injection molding machine; marine crane: floating crane.
2. Turntable bearings
Slewing bearings are widely used, and construction machinery is the place where slewing bearings were first used and widely used, such as earthmoving machinery, excavators, collapsers, stackers and reclaimers, graders, road rollers, dynamic compactors, rock drilling machines, roadheaders, etc.
