Container Roof Halves for Wide Bulk-Load Opening Coverage
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Solution Overview
Problem
Existing roof devices for containers with wide openings are inadequate for covering and uncovering bulk material, leading to material loss, damage to vehicles and infrastructure, and are unsuitable for various transport modes.
Innovation Solution
A roof device with two movable roof halves that can transition between covered and open positions, allowing wide openings to be covered and partially uncovered, featuring a guide system, locking mechanism, and pneumatic cylinders for operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single narrow hatch is used to cover the container opening, then the roof device structure is simple, but it cannot cover wide openings in the container
Solution Approach 1:
The roof is divided into multiple movable roof sections (first roof section, second roof section, etc.) that can independently move relative to each other. This segmentation allows the roof device to cover wide container openings by distributing the coverage across multiple sections, while each individual section maintains a manageable and simple structure.
Solution Approach 2:
The roof sections are designed to be movable rather than fixed, allowing them to transition between covering and uncovering positions. This dynamic capability enables the roof device to adapt to different operational requirements (loading, unloading, transport) while maintaining coverage of wide openings when needed.
2Ease of operation
If the container top remains open for loading bulk material, then loading is easy and quick, but bulk material is lost to the breeze and can cause damage
Solution Approach 1:
The movable roof sections can be quickly positioned to cover or uncover the container opening as needed. During loading operations, the roof can be uncovered to allow easy access, then quickly repositioned to cover the opening and prevent material loss, providing dynamic control over the trade-off between loading ease and material protection.
Solution Approach 2:
The roof sections can be positioned to cover the container opening before loading begins or between loading operations. This preliminary covering action prevents bulk material from being carried away by breeze during transport, while still allowing the opening to be uncovered when loading is required.
3Reliability
If a roof device is designed to be airtight and waterproof, then bulk material is protected from moisture and loss, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
Instead of making the entire roof device airtight and waterproof, sealing elements are applied locally at critical interfaces where material loss and moisture ingress are most likely to occur. This localized approach provides adequate protection while keeping the overall manufacturing process simpler and more cost-effective.
Solution Approach 2:
The roof device uses simple sealing elements that can be easily replaced if needed, rather than incorporating complex permanent sealing systems. This approach provides sufficient protection for the intended service life while maintaining ease of manufacture and lower costs.
Data Source
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AI summary
The roof device for a container for transporting bulk material, wherein the container has an open top through which the container can be loaded with bulk material, comprises: a roof with two roof halves (10a, 10b) which are movable back and forth between a covered and open position, wherein the top of the container is covered by the roof halves in the covered position and at least partially exposed between the roof halves in the open position, and a drive device (40a, 40b) for moving the roof halves.