In order to reduce environmental pollution, the environmental protection department has increased its efforts to remediate non-road mobile operating vehicles. Nowadays, there are very few high-pollution and large-emission construction machinery vehicles. More and more vehicles that originally used diesel as raw materials have been Gradually replaced by electric ones, the use of electric forklifts
is increasing, and it is precisely because of this that there are more and more electric forklift manufacturers. However, it is inevitable that some minor problems or minor faults will occur when using electric forklifts. For example, abnormal noise of electric forklifts is a relatively common fault. 1. Reasons for the abnormal sound of electric forklift operation: 1. The screws of the fasteners of the electric forklift are loose, the guide wheels and rollers of the car body are severely worn, and the gap is too large; 2. The gap between the chain and the chain pin is too large or it is cargo The clearance between the upper and lower fork nails and the cross beam of the fork frame is too large; 3. Check whether the rolling clearance between the guide wheels, rollers and the mast is too large. Whether the cooperation gap between the fork and the fork frame beam is too large, these factors will cause the electric forklift to make abnormal noise when in use; 4. Check whether the electric forklift tire screws are loose, whether the bearing is damaged, etc.; 5. Electric forklift The gear pump is malfunctioning. For example, if air enters the pump from the suction pipe or seal, the resistance of the suction pipe is too large, or even part of it is blocked. The gear pump has low precision, and the pump and the coupling are not on the same axis. 2. Maintenance method: add appropriate lubricating oil to the connection. If the abnormal noise is reduced, it means the leakage problem, tighten the joint or directly replace the sealing ring; if there is no change, check the gear accuracy, and carry out research and adjustment. Replace gears if necessary. Check the coaxiality of the pump and the coupling, pay attention to the difference between the working state and the static state, and adjust according to the technical requirements. In actual applications, there are many reasons for the abnormal noise of electric forklifts. When such failures occur, the maintenance personnel should carry out investigation and inspection one by one, find the cause, and solve the problem from the root cause. In order to reduce the failure of electric forklifts in use, electric forklift manufacturers hope that everyone should pay attention to their daily maintenance while using electric forklifts. Check before each use and maintain them after use. This can extend the electric forklift’s The service life and reduce the occurrence of failures in use, improve the efficiency of use.
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