Roller supports are the most important elements of any belt conveying equipment. They are made as special metal structures designed for mounting rollers on the conveyor. Sections of conveyor flight are equipped with such elements on the top and bottom belts.
Roller supports are made with different/various inclination of side rollers, and of special purpose - centering suspended. Construction of roller supports eliminates the risk of roller falling out of the bracket and belt damage by roller supports in case of belt misalignment.
Distinctive characteristics of roller supports:
Types of available roller supports:
1. Trough top roller supports.
Designed to support the upper (loaded) belt of the conveyor trough and giving it the grooved shape. It is used on conveyors conveying bulk materials. Standard inclination of side rollers makes 30 ⁰С.
To reduce the belt wear the supports with rubber-lined rollers are used. When conveying rock lumps it is required to install under feeding hoppers the rollers with rubber rings, instead of lining, in order to absorb shocks of falling rocks.
2. Top flat rollers PG.
They are installed as row roller supports of top belt of conveyor when flat loading belt is required, and also used to support the bottom conveyor belt.
3. Bottom flat rollers NG.
They are designed to support the bottom conveyor belt and are attached to the middle section of conveyor belt. Because of low load they are installed at a greater distance from each other as opposed to the top roller supports.
This is designed for automatic positioning and alignment of the loaded belt of conveyor towards its axis/shaft. They include deflection rollers and grooved roller support mounted on a bracket and horizontally rotating. Grooved centering roller supports are mounted on the conveyor belt at every 20 - 25 meters.
5. Grooved cushion rollers.
Prevent damage and damp the shock loads on the belt in places of conveyor loading. They include three rollers with the location in the same plane, with build-in bearings on through-going non-rotating shafts.
Helping to minimize damage and serve to damp the shock load on the conveyor belt and rollers significantly extending their service life and smooth conveyor operation. These supports are provided with special rollers equipped with a special rubber rings along the full length.
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