What is the solution to the common problems of weighing machines?1
What is the solution to the common problems of weighing machines? What is the solution to the common problems of weighing machines? In the usual metrological verification of weighing machines, it is difficult to avoid some common failures. Sometimes, whether you are an old wet machine or a novice, you will feel confused. Today, I will sort you out to sort out the common problem solutions of the weighing machine in the usual weighing process. Generally speaking, the solutions to common problems of net weight machines are generally as follows: 1. Drive belt deviation. The reason for the deviation of the direction: the management centers of the engine, the tail rudder and the middle frame are not on the same parallel line. The installation position of the drum is wrong, and the connection of the belt conveyor with the deviation of the transmission belt in the direction of the drum has Wrong, the direction of the uneven transmission belt is deviated (often at the interface of the transmission belt) the drum rack is wrong, or the direction deviation caused by the screw-type loosening of the fixed drum rack on the drum rack, the conveyor belt The direction of long-term damage and destruction is deviated, and the direction of the transmission belt caused by partial load is deviated from the jogging error caused by the impact of raw materials. Solution: Adjust the axes of the engine, the rudder, and the middle frame, adjust the installation position of the drum on the same parallel line, and adjust the wrong transmission belt connection between the vertical axis of the center line and the vertical axis of the transmission belt and the plane parallel to the plane, and correct it. The straightness of the connecting head and the leveling of the drum rack control the deviation within the allowable error. Tighten the loose anchor bolts, increase the level inspection force of the transmission belt, adjust the damaged transmission belt to repair or replace the guide grooves into the raw materials immediately, adjust the aspect ratio of the raw materials and the size of the raw materials, and install the raw material caching equipment. . Control the conveying volume and improve maintenance 2. The sound of the belt conveyor is abnormal. When the belt conveyor is working normally, the noise is generally small, and there is a sudden loud noise. The most likely reasons: the rolling bearing is damaged; the serious axial force coupling of the roller has common failures, and the drive equipment and the transfer equipment make a rattling sound. Solution: immediately replace the damaged rolling bearing; immediately replace the buffer roller; immediately replace the coupling. 3. Continuous short-circuit safety accident. The most likely reason: because the long-term operation of the transmission belt is all normal, the blockage of the block material suddenly expands the supporting force of the tape, causing the ruptured transmission belt to be out of position, causing the transmission belt to tear and rupture. Solution: Check and maintain the drive belt regularly. When selecting a drive belt that avoids blockage of the drive belt by the blocky raw materials, be sure to select a cost-effective drive belt, and immediately repair the damaged Buchner funnel to avoid the raw material hitting the drive belt and damaging it. 4. Drive belt drag. Reason: The initial support is not enough, the tail end of the belt conveyor dragged by the drive belt is too much dust, the frictional resistance is too large, and it is likely to be dragged. Solution: Increase the original support force of the drive belt (which can be done by adjusting the tensioning device of the drive belt); ease the one-time freight volume of the belt conveyor; replace the drive motor with a larger output power. Solution: increase the original support force of the drive belt (can be completed according to the adjustment of the tightening equipment of the drive belt); relieve the primary load of the belt conveyor; replace the drive motor with a higher power. The belt conveyor has the advantages of simple structure, large conveying capacity, strong adaptability, low energy consumption, long life and other advantages, which are widely used in coal, fly ash, powder and other production lines. Due to the characteristics of large sliding friction and large damage in the transporting chemical substances, the belt conveyor often has common failures in specific work, which endangers the smooth development of the entire processing process. Therefore, I have summarized the common faults and relative solutions that are very easy to occur in the work of the above weighing machine, and look forward to helping you.
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