Analysis and processing of deviation of belt conveyor
running belt conveyor running deviation analysis and treatment of the belt conveyor belt running deviation run-time belt conveyor belt running deviation is the most common fault.
In order to solve this kind of fault point to pay attention to the size precision of installation and daily maintenance.
Run a variety of reasons, according to the different reasons for the difference between treatment.
1. Adjust the carrying idler group in central of the whole belt conveyor belt conveyor belt running deviation can be adjusted when running deviation to adjust the position of the roller group;
When making roller set of mounting holes are processed to grow on both sides of the hole, in order to adjust.
Specific methods to which side is belt, roller group which side of the direction of the belt moved forward, backward or the other side.
Belt running deviation upward direction under the roller group, should move to the left, on the roller group located to the right.
2, install the self-aligning roller self-aligning roller group there are many types such as intermediate shaft type, four connecting rod type, the vertical roll type, etc. , its principle is to use blocking or roller rotation in the horizontal plane directions or resulted from lateral thrust belt automatically to achieve the purpose of running deviation of the belt can be adjusted.
In commonly shorter or the total length of belt conveyor belt conveyor two-way runtime USES this method is reasonable, reason is the short belt conveyor is more likely to run partial, and not easy to adjust.
And long belt conveyor had better do not use this method, because the use of self-aligning roller group will produce certain effect on the service life of the belt.
3, adjust the driving drum and redirection and haul driving drum drum drum position adjustment is an important part of the belt running deviation adjustment.
Because of a belt conveyor are at least two to five drum, drum of all installation location must be perpendicular to the centerline of the direction of the length of the belt conveyor, if excessive deflection must be wandering.
The adjustment method and similar roller group.
To head to the right side of the drum drum, such as belt running deviation, the bearing should move forward, on the right side of the belt to the drum of the left side of the wandering, is on the left side of the bearing should be moving forward, can also be on the left side of the corresponding bearing seat back or on the right side of bearing seat back.
The tail roller adjustment method is contrary to the head roller.
After repeated adjustment until the belt to the ideal position.
Best before adjusting drive or redirection roller installed its position accurately.
4, zhang JinChu adjustment belt zhang JinChu belt conveyor was running a very important link in the process of partial adjustment.
Two upper heavy hammer zhang JinChu redirection roller besides belt length should be perpendicular to the direction should be perpendicular to the gravity vertical, which ensure the shaft centerline.
Using spiral tension or hydraulic tensioning oil cylinder, the two tension roller bearing should translation at the same time, to ensure that the cylinder axis and the vertical belt longitudinal direction.
The specific belt running deviation adjustment method and the roller of similar.
5, blanking position transfer point was the impact on the belt running deviation transfer point material blanking position has a very large effect on the belt running deviation, especially in the two belt conveyor in the horizontal plane projection into vertical impact is bigger.
Usually should consider transfer points up and down two relative height of belt conveyor.
Relative height is lower, the greater the horizontal velocity component of the material, on the lower belt lateral impact is bigger, the material is difficult to center at the same time.
Make the materials on the belt cross section deflection, eventually led to the belt running deviation.
If the material slants to the right, the belt running deviation, and to the left and vice versa.
In the design process should be as much as possible to increase the two relative height of belt conveyor.
In the limited space of mobile bulk transport machinery and funnel, guide chute should seriously consider such a form and size.
General feed trough of the width of about two-thirds of the width of the belt is more appropriate.
To reduce or avoid the belt running deviation can increase the keep-off plate block material, change the direction of the whereabouts of the material and location.
6, two-way operation adjustment of deviation of belt conveyor running the adjustment of the running belt conveyor belt running deviation than one-way adjustment of deviation of belt conveyor running a much more difficult, in the concrete adjustment should be first in one direction, and then adjust the other direction.
Adjustment should observe carefully when belt movement direction and trend of running deviation, the relationship between one by one.
The emphasis should be on the adjustment and haul driving drum drum, followed by the adjustment of the roller and the material of blanking point adjustment.
Belt during vulcanization joint should be paid attention to and should make the stress of the belt cross section length direction even when using leading chain traction force on either side of the equal as much as possible
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