Loading Ramp Alignment via Sensor-Actuator Leveling
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Solution Overview
Problem
Existing loading ramp systems, particularly hinged ramps used for railway maintenance equipment, suffer from sagging issues due to uneven rail surfaces and lack of effective leveling mechanisms, leading to instability and wear.
Innovation Solution
A system comprising sensors to detect misalignment, actuators to adjust the height of ramp sections, and a controller to coordinate the movement of these actuators, ensuring the outer edges of ramp portions are aligned and levelled, thereby maintaining stability and preventing sagging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hinged ramps are used to allow folding for ease of transportation and storage, then the ease of operation is improved, but the stability of the ramp deteriorates due to sagging at the joints when exposed to heavy weight
Solution Approach 1:
The ramp is divided into multiple hinged segments that can be folded for transportation and storage. Each segment is supported by individual leveling jacks that can independently adjust the height of each segment, preventing sagging at the joints while maintaining the segmented structure for ease of operation.
Solution Approach 2:
The system uses leveling jacks with actuators to dynamically change the height parameter of each ramp segment. By adjusting the effective length of the leveling jacks, the system compensates for sagging and maintains proper alignment and stability of the ramp segments under heavy loads.
2Stability of the object's composition
If mechanical deployment elements and legs are added to support ramp sections, then the stability is improved, but the device complexity increases
Solution Approach 1:
The leveling jacks serve multiple functions: they support the ramp segments, prevent sagging, enable deployment and retraction, and provide alignment. By integrating these multiple functions into a single device, the system improves stability without proportionally increasing complexity.
Solution Approach 2:
The system uses sensors to automatically detect misalignment and controller to coordinate the actuators, enabling self-leveling operation. This automation reduces the need for manual intervention and simplifies the overall system operation despite the presence of multiple components.
3Adaptability or versatility
If the ramp is deployed on uneven rail surfaces, then the adaptability is improved, but the stability deteriorates due to sagging on uneven surfaces
Solution Approach 1:
The leveling jacks dynamically adjust the height parameter of each ramp segment to compensate for uneven rail surfaces. By changing the effective length of each jack independently, the system adapts to varying surface conditions while maintaining stability and preventing sagging at the joints.
Solution Approach 2:
Each ramp segment has its own leveling jack that provides localized support and adjustment. This allows different parts of the ramp to be independently leveled according to the local surface conditions, maintaining overall stability even on uneven surfaces.
4Manufacturing precision
If sensors and actuators are added to detect and correct misalignment, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
Sensors detect the alignment status of ramp segments and provide feedback to the controller. The controller then coordinates the actuators to make precise adjustments, creating a closed-loop control system that achieves high alignment precision while automating the correction process.
Solution Approach 2:
The system replaces manual alignment procedures with an automated electro-mechanical system consisting of sensors, controllers, and actuators. This substitution achieves higher precision while reducing the need for manual intervention and complex mechanical adjustment mechanisms.
Data Source
AI summary
A system for aligning outer edges of upper surfaces of ramp portions of a loading ramp. The system may include a plurality of sensors configured to provide signals indicative of whether the outer edges of upper surfaces of adjacent ramp portions are aligned. The system may also include a plurality of actuators configured to raise and lower at least one of the outer edges of an upper surface of a ramp portion. The system may also include a controller configured to receive signals from the plurality of sensors, determine whether the outer edges of upper surfaces of adjacent ramp portions are aligned, and provide signals to the actuators to affect movement thereof causing the outer edges of the upper surfaces of the adjacent ramp portions to be aligned.