Analysis of adjusting the tension of belt conveyor and installation and debugging

Whether the belt conveyor tension is normal or not directly affects the use effect and service life of the conveyor. Excessive tension will cause the conveyor belt to deviate, and too tight will affect the service life of the belt, even unable to rotate or rotate When the belt jumps up and down. Debugging and installing the belt conveyor must first adjust the parallelism and levelness of the belt. If the parallelism is not good, it will cause uneven belt force, and if the level is not enough, it will cause belt deviation. The jog mode should be used when starting, and the speed should be gradually adjusted to the required speed after starting. Usually, it is better to reach 60% of the normal speed within 24 hours. There are three steps to adjust the belt loading conveyor tension: first, adjust the parallelism between the drive shaft and the driven shaft (the parallelism will not reach the belt conveyor deviation and side skipping), and then the drive end bearing, chain The wheel is fixed, and the center distance of the sprocket is adjusted. The passive end is tensioned in parallel on both sides from loose to tight. At this time, the lower belt is vertically lifted up by hand until the chain is 50mm higher than the lower rail, and finally the passive end bearing and tension bolts are fixed. The correct installation and debugging of the belt conveyor during the initial operation is of great significance to the evaluation of the quality of the belt conveyor. Conventionally speaking, the operation of the belt conveyor must first be equipped with accurate power. If the power is small, vibration or noise will occur, or even cause The motor burns out under the condition of long-term overload operation, and it will cause waste if the power is large. Because the initial installation and commissioning of the belt conveyor is an important part of whether it will be used well in the future, the initial installation and commissioning of the belt conveyor is particularly important. The installation and debugging of the belt conveyor is divided into five steps: (1) Horizontal installation of the belt conveyor body: After installing the body, adjust each foot until the whole machine is level. (2) Belt installation: When installing the belt, pay attention to measuring the contact size between the chain and the track, to ensure that the belt and the track are in contact with each other, and there is no distortion or offset. After measuring the accurate length, connect it in a loop. (3) Tension adjustment: The initial adjustment of belt tension should be slightly looser than normal tension. (4) Installation of drive motor: the motor should be fixed firmly, the chain should be tensioned as normal, and then the sealing cover should be installed. (5) Debugging and starting: The belt conveyor should be started in a point starting mode, and the inverter should be adjusted to 40HZ. After observing that there is no noise and vibration, then fully press the button. Generally speaking, a good belt conveyor must not only be well designed, but also be debugged. Only if the debugger is installed correctly can it ensure long-term operation.
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