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Faults and Solution of Belt Deviation

Deviation handling belt conveyor when the belt is running deviation is the most common failures. To address these failures, we should focus attention on dimensional accuracy of the installation and day-to-day maintenance. There are many reasons for belt deviation, we should handle it according different reasons.
1. Adjust Carrying Idlers
We can adjust the position of the roller group when the carrying idlers of belt conveyor belt conveyor belt across the middle is deviation. Mounting holes on both sides of the roller group was processed into long holes in order to be adjusted. The specific method is to toward idlers which the belt biased on to the belt forwarding direction, or back the other side shift.


2. Adjust Self-aligning Idler Group
Self-aligning idler group have many types, such as shaft type, four-link, vertical roll, etc. The principle is using block or roller rotate in the horizontal direction within a block or generate horizontal thrust so belt automatically adjust the belt wandering heart to adjust the belt deviation. It is commonly used when The total length is short or the conveyor is two-way run-time. because a shorter belt conveyor easier to deviation and is difficult to adjust. long belt conveyor is better not use this method because this will effect the the self-aligning roller group service life.
3. Adjust the Drive Roller and Bend Pulley
Adjust the drive roller and bend pulley is an important part of the belt deviation adjustment. Because a belt conveyor at least with 2-5 of rollers, the mounting position of all of the rollers must be perpendicular to the center-line of the longitudinal direction of the belt conveyor. if the skew is too large, it inevitable will lead to deviation. The Adjustment Method is similar to the idler group. For the head drum, if the belt deviation happen in the right side of the drum, the bearing seat on the right should be moved forward. The belt deviation to the left side of the drum, then the left of the bearing should be moved forward. Rear roller adjustment is contrary to the head drum. It should be repeatedly adjusted until the belt is transferred to a better position.
4. Adjustment of Belt Tensioning Position
The adjustment of the belt tensioning position is at a very important part of the belt conveyor deviation adjustment. It should also be outside the hammer tension at the upper part of hammer the two bend pulley which not only should be perpendicular to the direction of the length of the belt, but also should be perpendicular to the the gravity vertical line to ensure the centerline of axis is horizontal. the level of the shaft centerline. The two chocks of spiral tensioning and the hydraulic cylinder should be moved at the same time, to ensure the axis of the drum perpendicular to the longitudinal direction of the the belt.
5. Material blanking position in the reproduced point have a very big impact on belt deviation. Usually should consider the relative height of the the reproduced point. The lower the relative height is, the greater of the horizontal velocity component of the material, the greater the impact on the lower belt lateral, while the materials can also be difficult to center.
6. Adjustment of the Belt Deviation of the Bidirectional Conveyor
It is relatively difficult than the one-way adjustment of the belt conveyor deviation. We should adjust one direction first, and then adjust the Another direction. You should carefully observe the relationship between the belt movement direction and deviation trends, then adjust individually. Emphasis should be placed on the drive roller and bend pulley adjustment. second is the idler adjustment and the material blanking point adjustment. The belt in the vulcanized joint should ensure force is applied uniformly.