Normal service and maintenance of conveyor belt, can prolong the service life of conveyor belt. To prevent premature damage, reduce the cost of reducing the cost of personnel.
Technical Support - Conveyor Belts, China Conveyor Belt manufacturer and supplier| Monster belting
4 Tips for Better Conveyor Belting Maintenance
Regular inspection and maintenance of conveyor belt
1 Bearing point:
A: bearing point is the easy to damage the conveyor belt, belt speed and conveyor belt movement related to the material block, the impact of you and the direction of the load is to be injected to the factor.
B: in the conveying belt movement direction angle reproduced material will only exacerbate the tape surface wear, the impact of material team tape, feeding off center, so that the adhesive tape along the rotation of the roller to the other side to climb and deviation, resulting in damage to the edge of the tape.
C: a large proportion of the sharp corners of the material in the fast running of the tape on the slow movement, it will cut and wear the belt surface.
The more close to the d: guide groove the adhesive tape will damage the surface of the material groove and the adhesive tape gap is not less than 25mm
2 clean
Special protection is necessary to keep all the surfaces of the rollers and rollers clean, and on the equipment, such as oil and material accumulation, will have a destructive effect on the operation and the adhesive tape.
3 roller
All roller should be flexible operation, improper selection of the diameter of the roller and has a bad effect on belt service life, if there can be many attachments will lead to belt conveyor, plastic cover abnormal wear and with a core of local fatigue rupture the drum. The driving drum kit is to improve the friction coefficient to reduce the side of the force, to reduce the wet conditions of the belt slipping, prevent the accumulation of material. The rubber sleeve sleeve and improved slotted belt cleaning effect, prolong the service life of roller.
4 upper and lower rollers
Should strictly abide by the management of the roller and the provisions of the lubrication. This can protect the conveyor belt, reducing the strength of the conveyor belt. Check the roller should be attached to remove the roller surface of the foreign body, special attention to the roller, the attachments can sometimes lead to the conveyor belt deviation, to cause the belt edge damage and does not rotate the roller will lead to tape the local deviation. So damaged and non rotating roller, it must be replaced. Oil quantity is not too much, too much leakage to the conveyor belt of butter and lubricating oil will make the oil of the belt is not resistant to the soft expansion of the soft expansion of delamination.
On the care and different position and tilt bending part is arranged properly, will make the straps produced abnormal flexor basking fatigue, so that on the back of the strap wear and fracture, cause wrinkles. The roller uplift, often make the tape in the operation of floating and falling against the material, cause damage.
5 tensioning device:
Check whether the tensioning device, the size of the stroke, the guide frame sliding condition, regular guide frame oiling. Insufficient travel, will lead to a fully landed. Check the tensioning force is suitable for, tension over the General Assembly accelerate conveying belt fatigue, thereby increasing the tree with the elongation, eventually led to the conveyer belt is cut short. The strength is too small, the belt in the driving roller part of the skid, and the increase of the tape in the roller between the bending, the two speed belt wear.
6 conveyor belt:
Regularly check the conveyor belt fault and timely treatment, prevent the occurrence of accidents and improve the service life of belt of important measures, conveying belt check package scraping the surface damage, the band edge damage, with core skeleton injury and joint, should first check is joint, is whether the degumming, glue, hierarchical, open, displacement, deflection phenomenon. It is found that the damage is small, and it should be repaired as soon as possible, when the damage is very large, it should be stopped immediately.
Faults and Countermeasures in the use of conveyor belts
1 belt conveyor conveyor in a single direction position
(1) the bending of the conveyor frame is due to the bending of the line, adjusting the straightness and the horizontal degree.
(2) deviation parts before several supporting roller and the conveyor belt running direction is vertical due to the conveyor belt deviation side roller end to the conveyor belt running direction tilt.
(3) there is a mass of adhering material on the roller, which needs a good maintenance and installation of the scraper and other cleaning device.
(4) the running of the supporting roller. Should be to strengthen the maintenance, lubrication, and Ruotuo bolts loose, tighten.
(5) the center of the tail and the head of the drum, or in the roller, is attached to the block. To adjust the belt pulley center, install the scraper, remove the block attachments.
(6) the feeding device is not suitable for the result, and the location of the material is required to be corrected.
The deviation of 2 specific parts of the conveyor belt in the body length range.
(1) the problem of the lack of a straight line at the conveyor belt. Should repair the joints, improve the degree of the joint near the belt body straight.
(2) the conveyor belt itself is caused by the lack of a straight line, and the conveyor belt has a slight degree of linearity and the need to revise and repair the conveyor belt.
The 3 conveyor belt deviation
(1) the conveyor belt rack is caused by bending, and the length of the conveyor belt should be examined and adjusted for a full length range.
(2) the position of the material is not due to the position of the material, that is, the mass of the material is uneven, and the weight is not balanced.
(3) sometimes deviation, sometimes without deviation, which is mostly due to the wind from the side blown in to the influence of should be installed wind hood and adjustable roller center of gravity.
(4) on one side of the roller drop. Should take the left and right side roller to a height.
The 4 conveyor belt unstable operation, no fixed deviation. Conveyor belt is too hard, so that the use of early into the groove of the lead to deviation, generally use a few days after both clear, if used for a long time still the side should be installed automatically adjustable roller center, not adjustable positive need to replace the conveyor belt.
5 cover scratches, tear, wave, peeling, abnormal wear phenomenon.
(1) due to the insufficient length of the baffle plate, the baffle length shall be adjusted to the length of the plate, until the material on the conveyor belt is stable.
(2) the baffle opening is not appropriate. Baffle opening should be the transmission belt width of 2/3-3/4, block material should be narrower. The best way is to run in the direction of a fan, and can adjust the size of the opening.
(3) where the conveyor belt and the baffle are not appropriate, the conveyor belt shall be transported to the side of the conveyor belt, and then to the appropriate position, to reduce the bite injury of the baffle plate.
(4) the material of the baffle is not appropriate. Excellent material, or the use of the old conveyor belt and canvas exposed, so that direct contact with the conveyor belt, should be replaced with a suitable rubber damper.
(5) the investment direction is not appropriate. The material falls in different directions and the running direction of the conveying belt, so that the lateral force, the belt deviation or damage. Should adjust the feeding direction.
(6) the feeding angle and the gap of the material are not appropriate. Should reduce the angle, so that the material falls on the conveyor belt does not bounce. The gap between large and the belt have a big impact, should add iron, iron chain, etc., in order to reduce feeding speed.
(7) the feeding speed of the material is not due to the result of the. Due to the material feeding speed and the speed of the conveyor belt adjustment is not good, the material in the conveyor belt on the instantaneous slip, resulting in wear and tear, to adjust the feeding speed, so that it is consistent with the conveyor belt speed.
(8) the return roller is not clean, does not rotate or not adjust well, the total length of the cover is abnormal wear, should be used in the following ways: the installation of cleaning; cleaning conveyor belt; on the return roller to install rubber sleeve; repair or replace the return roller.
6, under the cover of plastic serious wear
(1) the conveyor belt is caused by the driving roller. Should check the tension is normal, and appropriately increase the tension. In addition, in order to prevent slipping, installation or use of the rubber sleeve pressing roller to increase the angle on the driving drum.
(2) into the groove roller is too inclined, should be adjusted so that the direction of the conveyor with a right angle, the error is not more than 2 degrees.
(3) rotation of the roller. Should do a good job of maintenance, strengthen the lubrication.
(4) roller and roller surface caused by bad condition. Roller and roller breakage, attachment or glue face wheel protruding screws when to repair, also install cleaning attachments of the baffle.
7, conveyor belt edge damage
(1) the conveyor belt is on the roller or in the vicinity of a discount or bending. We should first check whether the conveyor belt deviation, and repair the body, increase the horizontal margin.
(2) the first slot into the head drum before the roller roller head is too close or too high, need to adjust the position of the roller.
8, conveyor belt elongation is too large, which is caused by excessive tension.
(1) no change in the amount of transmission and increase the speed of the conveyor belt;
(2) at the same rate, but reduce the amount of transmission;
(3) is a roller rotation good, as far as possible to reduce the load of the conveyor belt;
(4) as far as possible, reducing the burden of a load;
(5) use surface roller or increase angle, in order to improve the driving efficiency, reduce tension.
9, conveyor belt core damage
(1) the conveyor belt is caused by the material flying off. Should enter the feeding device to reduce the impact, also can use the buffer roller.
(2) conveyor belt between the roller and pinching a material, that bite injury conveyor belt, should be in the tail roller return side mounted scraper; roller and return and inserted between the iron cover.
(3) the belt deviation and hung in the body due to the somewhere, sometimes lead to horizontal tear, should take the foregoing prevented the conveyor belt deviation measures.
(4) hangs at the feeding site caused by iron, iron removal, and in this kind of fault occurred more, using metal inspection or magnetic separator device.
10, under cover rubber expansion
Support and oil too much, or from other parts of the body dripping oil and grease caused by should do a good job in maintenance, reduce oil usage, and the oil seal intact.
11, joint fracture
(1) the joint clip is selected for the wrong or fixed. Should use appropriate clip, check the joint part regularly, fix the clip.
(2) the tension is too large, should be checked to check the conveyor belt tension, such as the above 8 of the solution.
(3) switch to a curing joint.
12, cover and cloth layer have foreign body expansion.
The reason of this phenomenon is a lot of, should be expanded in the expansion of the rapid processing.
Maintenance management of steel wire rope core conveyer belt
In the maintenance management, the wire rope core conveyor belt and fabric core conveyor belt is no exception. But steel wire rope core conveyer belt elasticity coefficient is very high, the elongation is small, so the equipment and accessory items abnormal, conveyor belt itself poor ability to adapt, in shock and material mesh in such circumstances, it is prone to wire rope breaking and damage of major accidents, so on the steel wire rope core conveying Belt should strengthen the management of the maintenance.
1, buffer roller
In order to prevent the conveyor belt by a large impact force, at the feeding site should set the buffer roller (rubber or small tire), roller to rotate freely.
2, extrusion
In order to prevent material entry squeeze bite damage in tape, set 1 – 2 mm thick iron plate and the scraper roller and return rollers.
3, roller block attached to prevent measures
With the upper cover plastic contact on the roller, the attachment is easy to pile up into a block, which changes the radius of the roller, resulting in the conveyor belt tension is not balanced if the conveyor belt to continue to run, it will lead to the occurrence of part of the wire rope breaking accident. Therefore, to prevent the accumulation of the attached object, it is necessary to install a good cleaning device on the belt wheel, especially the head and tail of the cleaning device is more complete.
4, head and tail into groove angle
Steel wire rope core conveying belt good performance trough, between the groove and head and tail roller into the groove angle tend to change very rapidly when conveying belt edge tension, easily lead to glue edge abnormal wear damage near the roller roller, also can cause the rope breaking accidents. In order to avoid the accident, it is best to close several groups of pulley roller slot angle reduces gradually, slowly to make into the groove angle.
5, conveyor belt rise or fall in bending point, where the tension and the pressure of the abnormal, easy to make the conveyor belt side adhesive abnormal wear, can also cause wire rope fracture. In order to avoid these accidents, the curvature radius of the bend point is as far as possible, and the groove angle of the roller should be smaller, and the configuration should be close.
Fracture accidents of steel cord conveyor belt solutions
Steel wire rope core conveyer belt fracture accident is the most difficult to solve problems, the anti tearing steel wire rope core conveyer belt, can play a certain effect, but still need to fully do a good job of daily maintenance and management, in order to prevent fracture accidents, the following is a list of some anti crack measures:
(1) the loading section is conveyor belt longitudinal tearing prone areas, especially at the exit of the chute to reprint the funnel. Therefore, it is an important link to prevent the occurrence of the conveyor belt tear. In the installation of swing shuttle chute separation device and oblique sieve, to separate chunks of long pieces of material.
(2) the material into the conveying belt before the transport links adding electromagnetic iron remover induction signal device, as anti tear a pass.
(3) to improve the ability to increase through the chute, chute chute through height, eliminate hidden danger.
(4) in the belt discharge drum before, the funnel on the site settings prevent iron tear the door board tape, to prevent iron direct contact with the tape by tape cut.
Roller glabrescent conveying belt and a bracket contact will cause fracture, also baffles or feeding by loosening or roller breakage, plate edges and contacts the conveyor belt can also cause fracture. It should be regular inspection, oil, even if the replacement of damaged roller, keep all the rotation of the roller is good, all bolts in good condition.