一旦输送带在使用过程中发生断裂，输送带将在自身重量和煤重的强大作用下加速下降几十米或几百米。电缆及电器设备及小零件，造成输送带及物料大量堆积而停产。从对大量皮带断裂事故的分析可以看出，皮带输送机皮带断裂的原因如下。
Once the conveyor belt breaks during use, the conveyor belt will accelerate to drop by tens or hundreds of meters under the strong effect of its own weight and coal weight. Cables, electrical equipment and small parts cause a large amount of accumulation of conveyor belts and materials and stop production. From the analysis of a large number of belt fracture accidents, it can be seen that the causes of belt fracture of belt conveyor are as follows.
1、齿轮减速器损坏，液力偶合器喷液或电机反转。
1. The gear reducer is damaged, the fluid coupling sprays or the motor reverses.
2、输送带接头质量问题。输送带接头分为机械接头和硫化接头。机械接头的质量远不如硫化接头，所以现在很少使用。就硫化接头而言，如果未按要求控制硫化温度和硫化压力，则温度和压力在硫化板上分布不均匀，温度和压力的保持时间设置不合理，使用不合理的材料会影响硫化过程。影响。
2. Conveyor belt joint quality problem. Conveyor belt joints are divided into mechanical joints and vulcanization joints. The quality of mechanical joint is far inferior to that of vulcanized joint, so it is rarely used now. For vulcanized joints, if the vulcanization temperature and pressure are not controlled as required, the temperature and pressure are unevenly distributed on the vulcanized plate, the holding time of temperature and pressure is set unreasonably, and the use of unreasonable materials will affect the vulcanization process. influence.
3、运输过程中由于其他东西的介入，运输负荷突然增加。如大块煤矸石或其他特别大的物体突然混入正在运输的煤炭中。
3. During the transportation, due to the intervention of other things, the transportation load increases suddenly. For example, large coal gangues or other particularly large objects suddenly mix into the coal being transported.
4、启停时应力变化大。带式输送机的启停也会导致输送带断裂。一般情况下，建议是在空载下启动输送机。
4. The stress changes greatly during startup and shutdown. The start and stop of the belt conveyor will also cause the belt to break. Generally, it is recommended to start the conveyor under no load.
5、输送带本身质量不够好，输送带使用寿命过长，输送带长期超载，日常维护不到位。
5. The quality of the conveyor belt itself is not good enough, the service life of the conveyor belt is too long, the conveyor belt is overloaded for a long time, and the daily maintenance is not in place.
6、物料分布不均，输送带跑偏。带式输送机有空载段和超载段，造成输送带受力不均。
6. Uneven distribution of materials and deviation of conveyor belt. Belt conveyor has no-load section and overload section, resulting in uneven stress on the conveyor belt.
山东输送带皮带厂家认为为了防止这些原因造成的皮带断裂事故，除了人工检修和维护外，沿输送机布置皮带断裂保护装置尤为重要。因为它可以避免意外事故，随时待命。输送带正常工作时，不影响物料输送。当皮带断裂事故发生时，它会立即行动，迅速抓住断裂和滑动的输送带。
Shandong conveyor belt manufacturers believe that in order to prevent belt fracture accidents caused by these reasons, in addition to manual repair and maintenance, it is particularly important to arrange belt fracture protection devices along the conveyor. Because it can avoid accidents and stand by at any time. When the conveyor belt works normally, it does not affect the material conveying. When a belt breakage accident occurs, it will act immediately and quickly grasp the broken and sliding conveyor belt.
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