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What is the working principle of auto engine tensioner?

Update:30-06-2020
Summary:

working principle: The intelligent belt tensioner is ma […]

working principle:
The intelligent belt tensioner is mainly transmitted to the control box according to the automatic signal from the intelligent controller to direct the action of the motor. The rotation of the push screw and the role of the lever, and the elasticity of the spring make the rollers tighten the belt. The intelligent control box is the control and command center of this product, and the motor and lever are the executing agencies. The automatic control function is completed in combination with the corresponding software algorithm.
work process:
The roller is always in contact with the belt of the pumping unit, that is, when the pumping unit is in working state, the roller is also rotating. When the belt is loosened, the pressure of the belt and the roller is less than the pressure of the spring, the sensor is transmitted to the control Box, direct the rotation of the motor, make the upper and middle frames rotate slowly around the 0 axis, raise the roller, gradually increase the pressure between the roller and the belt, when the pressure between the roller and the belt increases to be greater than the spring, The upper frame rotates around the 0 axis at a small angle. After rotating to a certain range, the sensor is sent to the control box to direct the motor to stop rotating. This process completes the work of tightening the belt. Due to the self-locking nature of the worm gear reducer, Therefore, the roller is always fixed at the position where the belt is tightened. If the belt is stretched again, the tensioner repeats the above operation.

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