Automated Semi-Trailer Kingpin Alignment for Tractor Coupling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The challenge of efficiently coupling a tractor unit with a semi-trailer is exacerbated by changes in the semi-trailer's position and orientation due to loading, leading to delays and potential collisions during the coupling process.
Innovation Solution
An automated method that includes an analysis process to determine the feasibility of coupling, followed by automatic adjustments of the semi-trailer's height and orientation using sensors and actuators, such as landing gear, air suspension, and tire pressure, to ensure proper alignment of the kingpin and fifth wheel coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the semi-trailer is loaded, then the kingpin height changes and coupling becomes difficult, but if manual adjustment is made, then coupling time increases
Solution Approach 1:
The system performs preliminary analysis of the coupling situation before the actual coupling process. Sensors detect the current kingpin height and trailer position, and the control unit pre-calculates the required adjustments to landing gear or air suspension, preparing the optimal coupling configuration in advance to avoid time-consuming manual adjustments during the coupling process.
Solution Approach 2:
The coupling system performs self-adjustment through automated control. The control unit automatically activates the landing gear or air suspension system to adjust the kingpin height based on sensor feedback, eliminating the need for manual intervention and reducing coupling time while maintaining precise alignment.
2Productivity
If automated adjustment systems are added, then coupling speed improves, but device complexity increases
Solution Approach 1:
The system utilizes existing multi-functional components already present on the semi-trailer, such as the landing gear and air suspension system, which serve both their primary functions (support and height adjustment) and the additional function of kingpin alignment during coupling. This avoids adding dedicated coupling adjustment mechanisms and reduces overall system complexity.
Solution Approach 2:
The system employs sensors to detect the current state of the kingpin and trailer position, providing feedback to the control unit. The control unit processes this information and automatically adjusts the landing gear or air suspension to achieve proper alignment, creating a closed-loop control system that improves coupling speed without requiring complex manual intervention systems.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Method for coupling a tractor unit (10) with a semi-trailer (30) and a semi-trailer combination (100) with a tractor unit (10) and a semi-trailer (30).