Telescopic
belt conveyor is widely used in food production, tea, food transportation, express delivery, logistics, drinks and drinks and other well-packaged industries. With large throughput, solid structure, simple operation, convenient maintenance, low cost, strong versatility and other excellent characteristics.
Because of its wide use and long service time, the machine needs occasional maintenance. Otherwise, there will be some failures when the equipment is used without maintenance for a long time. Even some irregular operation of the rules of operation will lead to some failures of the machine, resulting in the personal safety of the user affected by the equipment.
The common faults and maintenance methods of telescopic belt conveyor are described
Therefore, in the use of telescopic belt conveyor, the need to follow the correct operation specifications, regular maintenance of the machine. In use, such as machine failure should be reported timely repair processing. The following is the common fault and maintenance method of telescopic belt conveyor.
The reasons for the failure of the telescopic belt conveyor are as follows:
(1) The belt of the telescopic conveyor runs crooked;
(2) Oil leakage and abnormal sound of reducer;
(3) the conveyor belt slips and breaks;
The following is a detailed introduction to the common telescopic belt conveyor fault reasons and maintenance methods.
Reasons for telescopic conveyor belt running crooked:
(1), the telescopic belt conveyor in the actual operation process, because the running direction of the belt is opposite to it, and the roller and roller are not in the vertical section of the running direction, belonging to the front side of the side, it is easy to cause the belt conveyor to run off
(2) The telescopic belt conveyor needs to carry a large load in the process of operation, so it is often in the state of fatigue operation. If the tightness on both sides of the belt is not consistent, a deviation will occur
(3) The telescopic belt conveyor is affected by friction and pressure in the process of operation. It is difficult for both sides of the belt to be on the same horizontal plane, and it will run at the higher end, affecting the normal operation of the belt conveyor
(4), the location of the material is also very important, the belt conveyor in the process of transmission and operation, the location of the material on the belt should be uniform and appropriate, uneven placement will cause the belt in the process of running deviation
⑤, with the passage of time, the belt will slowly aging wear with the use, directly resulting in the reduction of tension. This will directly cause the uneven internal stress, so that the belt running deviation.
⑥, the installation quality of the belt machine has the greatest impact on the belt deviation, and the belt deviation caused by the installation error is the most difficult to deal with.
⑦, the frame is skewed. The rack skew includes the center line skew and the height skew on both sides of the rack.
The common faults and maintenance methods of telescopic belt conveyor are described
Maintenance method of telescopic conveyor belt running deviation:
(1) For the deviation caused by the installation error, first of all to eliminate the installation error, the reconnection of the belt joint, the serious skew of the frame must be re-installed.
② adjust the idlers. When the belt of the belt conveyor is in the middle of the belt conveyor, the position of the roller group can be adjusted to adjust the deviation. The mounting holes on both sides of the roller support are processed to grow holes, which is convenient for adjustment. The specific method is to which side the belt is biased, which side of the idler group moves forward to the belt running direction, or the other side moves back.
(3) Install differential aligning roller set. The differential centering roller group is generally installed every 6-10 groups, and its working principle is to use the blocking or roller rotation in the horizontal direction to block or generate transverse thrust to make the belt automatically centripetal, so as to adjust the belt deviation.
(4) If the running material moisture is too much or the site environment is humid, the construction personnel should try their best to ensure the drying of the operation site to a large extent, do drainage and humidification treatment to the construction environment, and increase the dryness of the belt running environment.
⑤, the belt and drum friction is not enough or the belt load is too large, the construction personnel will find a way to increase the friction between the belt and the drum, and then enhance the carrying strength of the drum, in order to ensure the high strength of the material operation.
(6) there are many ways to enhance the friction between belt and drum, among which the most efficient and significant way is when the rubber plate is attached to the surface of the drum for cold curing drum wrapping treatment. It can not only ensure convenient operation, but also greatly increase the anti-skid wear resistance of the roller surface, so as to ensure the friction between the belt and the roller.
7, with the new belt, replace the old belt, increase the friction with the drum, to avoid the belt deviation.
Causes of oil leakage and abnormal sound failure of reducer:
(1) The casing of the reducer is damaged;
②, the sealing ring is damaged, or there is aging;
(3) The reducer counterpart screws appear loose, reducing the fastness of the bearing cover screws;
(4) some metal impurities infiltrate into the reducer;
The meshing performance of the gear is poor;
⑥, the gap between the reducer bearings is too large;
Excessive wear and damage of gears and bearings.
The common faults and maintenance methods of telescopic belt conveyor are described
Reducer oil leakage and abnormal sound fault maintenance method:
(1) The damaged shell should be replaced immediately;
(2) timely replacement of damaged, or aging problems of the sealing ring;
(3) Apply sealant on the joint surface of the box body, and tighten the screws and bolts of the bearing cover at the joint position of the box body to ensure its firmness.
(4) timely cleaning reducer, and replace the corresponding lubricating oil;
(5) check and adjust the meshing condition of gears regularly to ensure that the surface of gear meshing is in line with relevant specifications and standards;
⑥, to ensure the accuracy of the axial clearance of the bearing;
If excessive wear or damage is found, gears and bearings should be replaced immediately.
Reasons for belt slipping and belt breaking:
(1) the belt tension is insufficient;
(2) The design value of friction coefficient between the driving roller and the belt and the actual requirement deviation is too large;
(3) the overloaded operation of the belt conveyor, and the belt is pressed when the car is restarted;
④ the quality of the belt does not meet the requirements;
(5) The belt appears to run off, so that the frame is stuck;
⑥, the belt service time exceeds its service life, serious aging problem;
The effect of the belt on the tensioning device tensioning strength is too large;
⑧, the belt in the process of use is damaged or there is a serious deformation, or due to the operation of the damage.
The common faults and maintenance methods of telescopic belt conveyor are described
Belt slip and broken belt solution:
(1) Adjust the tensioning drum;
(2) Overload operation is strictly prohibited;
(3) Improve the tension value of the belt;
(4) regularly replace the damaged or worn belt;
⑤, buy the belt with excellent quality and performance;
(6) Increase the protection device for adjusting roller and preventing deviation;
Choose a reasonable role in the belt on the tensioning device tensioning particle size;
⑧, strict control of bulk, heavy logistics transport requirements;
The above is a small series of common telescopic belt conveyor fault causes and maintenance methods for you to sort out, I hope to play a role in the correct use and maintenance of you.
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