Rotatable Gib Handling Device for ISO Container Transverse Projection
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Solution Overview
Problem
Existing handling devices for ISO668 and ISO1161 standard containers exceed the European road gauge and aircraft hold dimensions due to excessive transverse projection, making them inefficient for multimodal transport, particularly in securing and lifting containers without orientation-dependent locking.
Innovation Solution
A handling device with a movable gib and body that can rotate relative to each other, featuring a shaft with a threaded zone and a nut for adjustable positioning, allowing the device to fit within the container's oblong openings while maintaining stability and orientation independence during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a known handling device is used to secure containers, then the device can withstand transport forces, but the transverse projection exceeds the European road gauge and aircraft hold dimensions
Solution Approach 1:
The gib is made rotatable relative to the body, allowing it to dynamically adjust its orientation. When rotated to a vertical position, the gib's transverse profile minimizes the device's projection, enabling it to pass through the handling orifice and fit within dimensional constraints while maintaining securing capability
Solution Approach 2:
The gib can be rotated to nest within the body's cavity when not in use, minimizing the transverse projection. The cavity is specifically designed to receive the gib in a retracted position, allowing the device to compact to a size that fits within European road gauge and aircraft hold dimensions
2Device complexity
If the gib is fixed in position, then the device structure is simpler, but the locking becomes dependent on the orientation of applied forces
Solution Approach 1:
The gib is designed to rotate relative to the body about a main axis, transforming it from a fixed to a dynamic component. This rotation capability allows the gib to adapt to different force orientations while maintaining reliable locking, as the gib can reposition itself to engage properly with the handling orifice regardless of the direction of applied forces
Solution Approach 2:
The rotatable gib enables the device to perform multiple functions: it can lock in various orientations to accommodate different force directions, and it can rotate to minimize projection for passage through the handling orifice. This multi-functionality ensures the device works effectively whether used for lifting or securing in different orientations
3Length of moving object
If the device projection is reduced to fit dimensional constraints, then compatibility with transport modes improves, but the device may not provide sufficient securing force
Solution Approach 1:
The gib's rotatability allows it to achieve a compact configuration for passage through the handling orifice while maintaining the structural integrity needed for securing. The rotation mechanism is designed so that the gib can be positioned vertically to minimize projection, yet when engaged, it provides sufficient surface area and mechanical advantage to withstand transport forces
Solution Approach 2:
The device is segmented into distinct functional components: the body providing structural support, the gib providing the locking interface, and the threaded connection providing adjustment capability. This segmentation allows each component to be optimized independently - the gib can be slender for minimal projection while the body maintains overall structural strength
Data Source
Figure 1
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Figure 8~11
AI summary
The invention relates to a hoisting and securing device (1) for a container (60) provided with an opening (20), including a ring (6), a body (21) and a gib (11) which are movable relative to one another about an axis (X1) between a first position in which the body and the gib have a transverse profile suitable for passing through the opening (20), and a second position in which the body and the gib have a transverse profile unsuitable for passing through the opening, the body including a recess which can receive the gib when the latter is in the second position. The device also includes a shaft (12), one end of the shaft supporting an abutment part (44). The ring is advantageously mobile about the axis and includes a handle (32) that can be positioned in accordance with the force applied. Such a device can be used with a container that complies with the ISO668 and ISO1161 standards.