Snow-clearing trailer drawbar locking mechanism
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Solution Overview
Problem
The complexity of operating a snow-clearing trailer with multiple degrees of freedom makes it difficult for operators to manage correctly, increasing the risk of improper use and potential damage.
Innovation Solution
The snow-clearing trailer incorporates detection means that generate an attachment signal when the drawbar locking bar is attached, disabling pivoting, orientation, and movement means to prevent unintentional actuation, along with alarm means to inform the operator, simplifying the operation and reducing the risk of improper handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the snow-clearing trailer is equipped with multiple degrees of freedom (pivoting drawbar, orientable wheels, articulating blade) to improve snow-clearing capability, then the adaptability and snow-clearing performance are improved, but the device complexity and operational difficulty increase
Solution Approach 1:
The system automatically manages its own configuration through sensors that detect the position of the drawbar and automatically adjust the wheels and blade to the appropriate settings, eliminating the need for manual operation of multiple controls and reducing operational complexity while maintaining adaptability
2Adaptability or versatility
If the snow-clearing trailer has multiple movable components (pivoting means, orientation means, movement means) to improve functionality, then the versatility is improved, but the ease of operation deteriorates due to the need to manage multiple mechanisms
Solution Approach 1:
The trailer automatically controls its own components through a centralized system that senses drawbar position and autonomously adjusts wheels and blade, freeing the operator from managing multiple mechanisms and significantly improving ease of operation while preserving full functional versatility
Solution Approach 2:
Sensors detect the position of the drawbar and provide feedback to the control system, which automatically adjusts the wheels and blade to the correct configuration, creating a closed-loop system that eliminates manual intervention and simplifies operation
3Adaptability or versatility
If the snow-clearing trailer allows free pivoting and movement of components during operation to improve adaptability, then the versatility is improved, but the reliability decreases due to increased risk of improper operation and damage
Solution Approach 1:
Sensors continuously monitor the position of the drawbar and provide feedback to the control system, which automatically adjusts components to safe and correct positions, preventing improper operation and reducing damage risk while maintaining adaptability
Solution Approach 2:
The system proactively adjusts the wheels and blade to appropriate positions before snow-clearing operations begin, ensuring components are in safe configurations and preventing damage from improper positioning during operation
Data Source
AI summary
Snow-clearing trailer (1) having a chassis (5) extending longitudinally in a chassis direction (I-I) and having a drawbar (9). Pivoting means (11) allow the selective pivoting movement of the chassis (5) and the drawbar (9) with respect to one another. A drawbar locking bar (12) of fixed length can be attached to the drawbar (9) and to the chassis (5) so as to immobilize the drawbar (9) on the chassis (5) in a transport position. Detection means (13) generate an attachment signal when the drawbar locking bar (12) is attached to the drawbar (9) and to the chassis (5). The detection means (13) and disabling means are arranged in such a way that when the detection means (13) generate an attachment signal, the disabling means prevent any actuation of the pivoting means (11).