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Analysis and Treatment of Excessive Vibration in Wet Spray Vehicles
Release time:
2026-03-09
Source:
Author:
Summary:
Abnormal vibration during the operation of wet spray carts is a common failure phenomenon. Not only does it affect the service life of the equipment, but it also compromises construction quality. Accurately diagnosing the cause of vibration and taking effective corrective measures are crucial for ensuring the stable operation of the equipment.
I. Identification and Judgment of Vibration Sources
Vibration Feature Analysis
Identification features of different types of vibration:
1. Low-frequency vibration (< 10Hz ): Usually caused by imbalance in mechanical components or loosening of the foundation.
2. Medium-frequency vibration ( 10-100Hz ): Mostly caused by fluctuations in hydraulic system pressure.
3. High-frequency vibration (> 100Hz ): Generally caused by hydraulic shock or cavitation.
4. Periodic vibration: A regular vibration associated with the pumping frequency.
Vibration Position Detection
Preliminarily determine the cause based on the vibrating part:
- Pump system vibration: Inspect components such as the hydraulic pump and delivery cylinder.
- Vibration of the boom system: Inspect joints, hydraulic cylinders, and other components.
- Chassis vibration: Inspect components such as outriggers and travel mechanisms.
- Overall Vibration: Inspect the equipment foundation and installation condition.
II. Inspection and Handling of Mechanical Components
Balancing rotating parts
Check the balance status of rotating parts:
1. Hydraulic Pump Bearing Wear Inspection
2. Rotor Dynamic Balancing Inspection for Motors
3. Fan blade integrity inspection
4. Coupling Alignment Accuracy Inspection
Tighten the connecting parts.
Check the condition of each connection point:
- Check the tightening torque of the anchor bolts.
- Verify the tightening status of the pipeline clamp.
- Inspect structural component connection bolts.
- Confirm that the clearances at all hinge points are normal.
III. Vibration Treatment for Hydraulic Systems
Pressure Fluctuation Control
Reduce system pressure fluctuations:
- Check the nitrogen charging pressure of the accumulator.
- Optimize commutation buffer parameters
- Adjust the system working pressure
- Check the operating status of the hydraulic pump.
Hydraulic shock elimination
Preventing and Reducing Hydraulic Shock:
1. Optimize the start-stop curve of the actuator.
2. Check the effectiveness of the buffer device.
3. Properly configure system parameters.
4. Avoid sudden changes in load.
IV. Structural Resonance Treatment
Natural Frequency Analysis
Measures to avoid structural resonance:
- Determine the natural frequencies of the structure through testing.
- Adjust working parameters to avoid the resonance zone.
- Strengthen the structural stiffness of weak areas.
- Add a damping vibration reduction device.
Installation Foundation Inspection
Basic requirements for equipment installation:
1. Ensure the foundation is solid and level.
2. Check the condition of the vibration-damping pads.
3. Verify the stability of the support legs.
4. Check the equipment's levelness.
V. Optimization of Operating Parameters
Pump parameter adjustment
Optimize pumping operation parameters:
- Set the pumping speed reasonably.
- Optimize commutation time parameters
- Control the rate of change of acceleration
- Match load characteristic requirements
Load management
Scientifically manage workload:
1. Avoid sudden loading and unloading.
2. Control the concrete slump.
3. Optimize the transmission distance
4. Reasonably allocate work tasks
VI. Maintenance and Preservation Measures
Regular inspection system
Establish a vibration monitoring system:
- Perform vibration inspections monthly.
- Record the vibration trend development.
- Establish a vibration standards database
- Set the vibration alert threshold.
Preventive maintenance
Systematic Maintenance Plan:
1. Regularly replace worn parts.
2. Maintain system cleanliness.
3. Handle abnormal situations promptly.
4. Improve maintenance record archives
7. On-site emergency response
Temporary vibration reduction measures
Handling procedures in emergency situations:
- Reduce device workload
- Adjust work parameter settings
- Reinforce loose connection points.
- Add temporary support structures.
Troubleshooting Procedure
Systematic troubleshooting steps:
1. Determine the location of the vibration source.
2. Analyze vibration characteristics
3. Check the relevant systems.
4. Develop a handling plan.
Conclusion
Addressing vibration issues in wet spray carts requires a systematic analysis and comprehensive solutions. By accurately identifying vibration sources, making scientific adjustments to relevant parameters, and implementing standardized maintenance and upkeep procedures, equipment vibrations can be effectively controlled and eliminated. It is recommended to establish a robust vibration monitoring system, equip it with the necessary detection tools, and enhance operator training to ensure that equipment consistently remains in optimal working condition. At the same time, it is crucial to focus on the collection and analysis of vibration data, continuously improving equipment management practices and providing strong assurance for the safe and reliable operation of the equipment.
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Changsha Base:Hunan Zenxon Heavy Industry Technology Co., Ltd.
Address: Jinrong Tongxin International Industrial Park, Changsha High-tech Zone
Loudi Base:Hunan Haoda Heavy Industry Technology Co., Ltd.
Address: Loudi Avenue, Loudi High-tech Industrial Development Zone, Lianyuan City, Loudi City, Hunan Province
Telephone:400-186-0868
E-mail:3804246750@qq.com
E-mail:19967177733@163.com
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