National Service Hotline:+86-13750353828Mr. FengSolution to belt deviation of belt conveyor
1. Adjust the bearing idler group. When the belt of the belt line deviates in the middle of the whole belt conveyor, the direction of the idler group can be adjusted to adjust the deviation; during manufacturing, the device holes on both sides of the idler group are processed with long holes for adjustment. The detailed method is to which side the belt inclines, which side of the idler group moves forward towards the belt forward direction, or the other side moves backward. If the belt deviates upward, the lower part of the idler group should move to the left, and the upper part of the idler group should move to the right.
2. Set of centering idlers. There are many types of centering idler groups, such as center rotating shaft type, four-bar type, vertical roller type, etc. its principle is to use blocking or roller rotation in the horizontal plane to block or generate lateral thrust to make the belt automatically centripetal to achieve the purpose of adjusting belt deviation. Generally, it is more reasonable to use this method when the total length of belt conveyor is short or the belt line is running in two directions. The reason is that the shorter belt conveyor is easier to deviate and not easy to adjust. This method is not recommended for long belt conveyor, because the use of self-aligning idler group will have a certain impact on the service life of the belt.
3. Adjust the orientation of driving drum and steering drum. The adjustment of driving drum and reversing drum is an important part of belt deviation adjustment. Because a belt conveyor has at least 2 to 5 rollers, the device orientation of all rollers must be perpendicular to the center line of the length direction of the belt conveyor. If the deflection is too large, it will inevitably lead to deviation. The adjustment method is similar to the adjustment of idler group. If the belt of the head drum deviates to the right side of the drum, the bearing seat on the right side should move forward. If the belt of the conveyor deviates to the left side of the drum, the left bearing seat should move forward. Correspondingly, the left bearing seat or the right bearing seat can also be moved backward. The adjustment method of the tail drum is just opposite to that of the head drum. Through repeated adjustment until the belt is adjusted to the desired position, the orientation of the belt shall be accurately set before adjusting the driving or changing direction of the drum.
4. Adjustment of tension. Belt tension adjustment is a very important part of belt conveyor deviation adjustment. In addition to being perpendicular to the belt length direction, the two reversing rollers on the upper part of the tension part of the heavy hammer should also be perpendicular to the gravity vertical line, that is to ensure that the center line of the axis is horizontal. When using spiral tensioning or hydraulic cylinder tensioning, the two bearing seats of the tension drum should be translated together to ensure that the drum axis is vertical to the belt longitudinal direction. The detailed adjustment method of belt deviation is similar to that of drum.
5, the adjustment of the belt running deviation of the two-way running belt conveyor is much more difficult than the adjustment of the one-way belt line deviation. When adjusting in detail, we should first adjust a certain direction and then adjust another direction. When adjusting, carefully observe the relationship between the belt movement direction and the deviation trend, and adjust them one by one. It should be placed on the adjustment of the driving drum and the turning drum, followed by the adjustment of the idler and the material blanking point. It should be noted that when the belt is vulcanized, the stress on the belt section length direction should be uniform, and the forces on both sides should be as equal as possible when using the guide chain traction.
Source: Guangdong belt conveyorhttp://www.spbxw.cn
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