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Fully Automatic Wet Spraying Trolley Overload Protection System
Release time:
2026-06-15
Source:
Author:
Summary:
Overload protection for fully automatic wet-spraying trolleys is a critical system that ensures safe equipment operation and extends its service life. By implementing intelligent monitoring, early‑warning safeguards, and automatic adjustment mechanisms, it effectively prevents equipment overload, thereby ensuring construction safety and efficiency.
I. Real-Time Load Monitoring System
Multi-parameter sensing and monitoring
Comprehensive Load Testing Network:
1. Main pump pressure sensor: monitors system operating pressure in real time.
2. Flow detection device: monitors changes in hydraulic system flow.
3. Torque sensor: detects torque loads in the drivetrain.
4. Temperature sensor: monitors temperature rise at critical locations.
Intelligent Load Calculation
Dynamic Load Analysis System:
Instantaneous power is calculated based on the product of pressure and flow rate.
Assessing mechanical load via the torque–speed relationship
Predict the load state based on temperature trends.
Comprehensive multi-parameter-based load level assessment
II. Intelligent Power Management System
Engine Power Protection
Power System Overload Protection:
Electronic throttle control: automatically adjusts engine speed based on load.
Power Limitation Function: Sets the maximum output power threshold.
Torque Reserve Management: Maintaining an Appropriate Torque Reserve
Overheat Protection: Automatically reduces power when the water temperature is too high.
Hydraulic power matching
Hydraulic System Power Optimization:
1. Load-Sensing Control: Provides hydraulic power on demand.
2. Power Limit Setting: Limits the system’s maximum power.
3. Pressure–Flow Coordination: Optimizing Power Allocation
4. Overflow loss control: Reducing unnecessary power consumption
III. Operational Procedure Safety Measures
Smart Operation Restrictions
Operational Permissions and Restrictions:
Tiered operation mode: Functions are restricted based on skill level.
Action speed limit: prevents excessive speed from causing impact.
Composite Operations Management: Coordinating Simultaneous Operations Across Multiple Agencies
Soft limit protection: Electronically limited operating range
Early Warning and Intervention
Real-time operational protection:
1. Early Warning: Provide advance alerts when overload is imminent.
2. Automatic speed reduction: Automatically slows down when the load is excessive.
3. Action Pause: Pauses the current action when sustained overload occurs.
4. Safe Shutdown: Automatically shuts down in the event of severe overload.
IV. Mechanical Transmission Protection
Transmission System Protection
Mechanical overload protection device:
Safety clutch: slip protection when torque exceeds the limit.
Elastic Coupling: Absorbs Shock and Vibration
Overload protection pin: Shear pins are installed at critical connection points.
Brake protection: prevents brake overload.
Structural Strength Protection
Overload Prevention for Load-Bearing Structures:
1. Stress Monitoring Points: Stress Measurement at Critical Locations
2. Deformation Sensor: Monitors Structural Deformation
3. Fatigue Life Calculation: Predicting the Remaining Service Life of Structures
4. Safety Factor Assurance: Sufficient Design Margin is Provided During the Design Phase
V. Electrical System Protection
Motor Overload Protection
Electrical System Protection:
Overcurrent protection device: automatically cuts off power when current exceeds the limit.
Thermal overload relay: motor overheating protection
Soft-start function: reduces inrush current.
Phase sequence protection: prevents motor reverse rotation.
Control System Protection
Electrical Control Safety:
1. Voltage Fluctuation Protection
2. Short-circuit fast protection
3. Ground Fault Detection
4. Surge Voltage Absorption
VI. Intelligent Early Warning System
Early Warning Level Settings
Tiered Early Warning Mechanism:
Level 1 Alert: Load reaches 80% Rated value
Level 2 Alert: Load reaches 90% Rated value
Level 3 Alert: Load has reached 95% Rated value
Emergency Protection: Load Exceeds 100% Rated value
Early Warning Information Processing
Intelligent Early Warning Response:
1. Audio-visual alarm notification
2. Display Warning Message
3. Operation restrictions have been automatically enabled.
4. Maintenance Reminder Log
VII. Maintenance and Management Measures
Regular inspection and maintenance
Preventive Maintenance Plan:
Monthly sensor accuracy check
Quarterly verification of protective devices
Six-month system functionality testing
Annual Comprehensive Overhaul and Maintenance
Training Management Usage
Operational Standard Training:
1. Equipment Performance Parameters Training
2. Operational Procedure Training
3. Overload Recognition Training
4. Emergency Response Drill
Conclusion
Overload protection for fully automated wet-spraying trolleys is a systems‑based engineering challenge that requires the establishment of a comprehensive safeguarding framework across multiple stages, including monitoring, control, operation, and maintenance. By leveraging intelligent monitoring technologies and robust protective measures, equipment overloads can be effectively prevented, thereby ensuring construction safety. It is recommended that user organizations develop sound equipment management protocols, enhance operator training, and conduct regular system maintenance to keep the overload protection system in optimal condition. Meanwhile, equipment manufacturers should continuously refine protective technologies and elevate the level of system intelligence, delivering safer and more reliable equipment to the industry.
RELATED INFORMATION
Contact Us
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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