Self-adjusting conveyor system for cold planer belt tension
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Solution Overview
Problem
Conveyor belt tensioning systems in cold planers are susceptible to wear, over-tensioning, and reduced life due to manual adjustments, which can lead to inefficient performance and user error.
Innovation Solution
A self-adjusting conveyor system with a belt tensioning system that includes first and second actuators coupled to conveyor rollers, controlled by processors to maintain constant tension and adjust based on load information and operator inputs, minimizing manual intervention and preventing over-tensioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of conveyor belt tension is performed by operators using hand tools, then the belt can be adjusted to maintain operation, but over-tensioning occurs leading to belt wear, reduced belt life, and reduced lift of conveyor components
Solution Approach 1:
The system uses sensors to automatically detect belt tension conditions and triggers actuators to adjust the end roller position, enabling the conveyor system to self-regulate tension without operator intervention. This eliminates human error in tensioning while maintaining operational capability.
Solution Approach 2:
Sensors continuously monitor belt tension and provide feedback to the control system, which then adjusts the actuators to maintain optimal tension levels. This closed-loop feedback mechanism prevents both over-tensioning and under-tensioning, extending belt life while ensuring proper operation.
2Productivity
If operators manually adjust conveyor belt tension while belts are running, then adjustments can take effect immediately, but user error leads to inefficient performance and potential safety issues
Solution Approach 1:
The automated system performs tension adjustments without requiring operator presence or manual tool use, making the process inherently user-friendly while maintaining continuous operation. The system monitors and adjusts tension autonomously, eliminating the need for operators to intervene during belt operation.
Solution Approach 2:
The patent replaces manual mechanical adjustment tools with an automated control system that uses sensors and actuators. This substitution eliminates the need for operators to physically manipulate threaded rods and end rollers, replacing human操作 with an automated electromechanical system that is both safer and more efficient.
3Reliability
If frequent manual adjustments are performed to maintain proper belt tension, then operational issues can be addressed, but conveyor component wear increases and maintenance needs increase
Solution Approach 1:
The continuous monitoring and feedback mechanism detects tension deviations early and makes small corrective adjustments, preventing operational issues before they escalate. This proactive approach maintains stable operation while reducing the frequency and intensity of maintenance interventions required.
Solution Approach 2:
The automated tensioning system continuously self-regulates belt tension, preventing the development of problems that would require manual intervention. By maintaining optimal tension levels consistently, the system reduces wear on conveyor components and extends maintenance intervals.
4Reliability
If automated tensioning systems are implemented, then belt life is extended and over-tensioning is prevented, but device complexity increases
Solution Approach 1:
The system introduces sensors as intermediaries between the belt and the adjustment mechanism, and actuators as intermediaries between the control system and the end roller. These intermediary components enable automated control while isolating the complexity from the core conveyor function, making the system manageable despite increased complexity.
Data Source
AI summary
A cold planer including a conveyor system coupled to a frame. The conveyor system includes a conveyor with a conveyor belt that rotates about a conveyor roller. A belt tensioning system is coupled to the conveyor roller and includes an actuator for moving the conveyor roller to place tension on the conveyor belt. One or more processors are configured to receive information related to the conveyor belt and adjust the actuator on the conveyor belt based on the information related to the conveyor belt to provide a constant operating tension on the conveyor belt.