Self-pivoting extensions for transport tray side barriers
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Solution Overview
Problem
Existing retractable lateral retaining barriers for trailers fail to securely enclose cargo over the entire available loading height, particularly for goods reaching up to 400 cm, leading to insufficient safety during transport.
Innovation Solution
Integrate upper and lower extensions on the side barriers that automatically fold and unfold with the movement of the side walls, using a servo-controlled connecting rod mechanism to ensure complete cargo security up to the maximum legal height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the platform height is reduced to facilitate loading, then the ease of operation is improved, but the height secured by conventional retractable barriers is reduced, worsening the reliability of cargo security
Solution Approach 1:
The barrier system is segmented into a fixed base barrier and a movable extension that can be deployed independently. The extension divides into upper and lower portions that can be positioned at different heights, allowing the system to maintain low platform height for easy loading while still providing full-height cargo security when needed.
Solution Approach 2:
The barrier system transitions from a static fixed-height barrier to a dynamic system where the extension can be deployed to different positions based on cargo height requirements. The extension moves from a retracted position (when loading) to an extended position (when securing cargo), adapting to different operational needs.
2Ease of operation
If retractable barriers are used to facilitate loading, then the ease of operation is improved, but the barriers cannot enclose cargo over the entire available loading height, worsening the reliability of cargo security
Solution Approach 1:
The barrier system is segmented into a fixed base barrier and a movable extension that can be deployed independently. The extension divides into upper and lower portions that can be positioned at different heights, allowing the system to maintain low platform height for easy loading while still providing full-height cargo security when needed.
Solution Approach 2:
The upper and lower extensions are designed to nest together when retracted, with the lower extension containing the upper extension within its structure. This nesting arrangement minimizes the space required when the barriers are in the loading position while allowing full deployment when cargo security is required.
3Reliability
If the barrier height is increased to secure cargo up to 400 cm, then the reliability of cargo security is improved, but the barriers hinder the loading process and risk damage, worsening the ease of operation
Solution Approach 1:
The barrier system transitions from a static fixed-height barrier to a dynamic system where the extension can be deployed to different positions based on cargo height requirements. The extension moves from a retracted position (when loading) to an extended position (when securing cargo), adapting to different operational needs.
Solution Approach 2:
The barrier system operates in periodic cycles: during the loading phase, the extension is retracted to provide clear access; during the transport phase, the extension is deployed to secure the cargo. This periodic adjustment of barrier height resolves the contradiction between facilitating loading and ensuring cargo security.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3B
AI summary
The present invention relates to a trailer, or a self-propelled towed or semi-mounted vehicle, for the transport (1) of goods, comprising a loading platform (2) and delimited by fixed transverse walls (3) and at least one removable longitudinal side wall (4) comprising at least one upper and/or lower extension (5, 6), pivotally mounted respectively on the upper edge (41) or the lower edge (42) of said longitudinal wall (4), the rotation of which is automatically controlled by and concomitantly with the movement of the longitudinal wall (4) by means of a servo-driven element (7, 8) fixed on the one hand to a guide arm (34, 35) belonging to the support and drive device (31 to 35) and on the other hand to the longitudinal wall (4, 43, 44) and to the extension (5, 6), such that, when the longitudinal wall is retracted to an open position (A) close to the ground,respectively raised to a closed position (B), the extension (5, 6) automatically folds down onto and against the outer or lower face of the longitudinal wall (4, 43, 44), downwards or upwards as appropriate, leaving the loading area above the loading platform (2) completely free, or respectively unfolds automatically in line with the longitudinal wall (4, 43, 44), so as to enclose the upper (92) and/or lower (91) layers of the cargo.