Coil Transport Container Truss Support Base
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Solution Overview
Problem
Existing intermodal shipping containers for steel sheet rolls lack adequate support and stability, particularly in transporting heavy coils, which can lead to instability and increased risk of damage during transportation.
Innovation Solution
A coil carrier intermodal shipping container with a strong base of longitudinal I-beams and truss-shaped downward and inward sloping supports, featuring a steel deck with corner fittings and a three-dimensional lid for secure stacking and transportation, utilizing twist locks for secure connections to trailers, railroad cars, and ships.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing intermodal shipping containers are used for steel sheet rolls, then basic transportation is possible, but adequate support and stability are lacking leading to instability and increased risk of damage
Solution Approach 1:
The container base is segmented into multiple longitudinal I-beams and transverse I-beams arranged in a grid pattern, providing distributed support across the entire base area. This segmentation allows each beam to independently support portions of the coil weight, enhancing overall stability while maintaining structural integrity
Solution Approach 2:
Truss-shaped supports are introduced with three-dimensional geometry featuring downward and inward sloping legs that extend through the steel deck to the base beams. This adds vertical and angular dimensions to the support structure, creating a stable triangular framework that prevents coil movement and enhances reliability
2Quantity of substance
If heavy coils are transported, then cargo capacity is sufficient, but stability and support adequacy deteriorate
Solution Approach 1:
The support structure combines multiple material forms: I-beams for the base providing high strength-to-weight ratio, box beams for the lid and truss components providing torsional rigidity, and steel deck plating providing a stable mounting surface. This composite approach distributes heavy coil loads across multiple structural elements with complementary strength characteristics
Solution Approach 2:
The truss-shaped supports are pre-configured with downward and inward sloping legs that extend through the steel deck to connect with base beams before cargo loading. This preliminary structural arrangement ensures support strength is already in place to handle heavy coil weights from the moment of loading
3Ease of manufacture
If simple base structure is used, then manufacturing is easier, but stability for heavy coils is insufficient
Solution Approach 1:
The I-beam grid structure serves multiple functions simultaneously: it provides the foundational support surface for mounting truss supports, acts as structural reinforcement for the entire base, and serves as load distribution pathways for coil weights. This multi-functionality achieves enhanced stability without proportionally increasing manufacturing complexity
Data Source
AI summary
Steel coil carrying intermodal shipping containers have strong bases with I beams supporting decks and paired opposite coil supports. Each support has trusses, formed of inward supporting beams, outward sloping outer legs, links between them and short inner legs extending through the deck and anchored to longitudinal I beams. Three dimensional covers have corner posts, sides, ends, tops and open bottoms with edges that seal to edges of the deck. The covers lift from the bases for loading and unloading steel coils.