Roller Container Base Frame With Segmented Aluminum Superstructure

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Solution Overview

Problem

Existing roll-off containers are not universally adaptable and require significant modifications to meet customer-specific requirements, while maintaining a low weight and high structural integrity.

Innovation Solution

A roll-off container design featuring a container base frame with double T-beams and aluminum panel systems connected via gusset plates and drop-forged parts, where the equipment compartment structure is connected to the longitudinal beams but not the end beams, ensuring high rigidity and preventing twisting during assembly and disassembly. The base frame is hot-dip galvanized for protection, and the equipment compartment includes a checker plate roof and C-profiles for easy conversion and maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the equipment compartment structure is connected to the end supports or end wall, then the structural stability is improved, but the weight of the roll-off container increases and the adaptability decreases

Engineering Contradiction:

Improvestructural stabilityVSAvoidweight of roll-off container

Core Design Contradiction:

Stability of the object's compositionVSWeight of moving object

Solution Approach 1:

The equipment compartment structure is segmented from the end supports and end wall, creating an independent modular unit that can be easily attached and detached. This segmentation allows the container to maintain structural stability through the base frame while reducing overall weight by eliminating unnecessary connections to the end supports.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The equipment compartment structure is designed as a universal modular unit that can be adapted to various applications and customer requirements without requiring permanent attachment to the end supports. This multi-functionality enables the same structure to serve different purposes while maintaining low weight and high adaptability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Strength

If the equipment compartment structure is connected to the end supports or end wall, then the structural integrity is improved, but the adaptability to customer requirements decreases

Engineering Contradiction:

Improvestructural integrityVSAvoidadaptability to customer requirements

Core Design Contradiction:

StrengthVSAdaptability or versatility

Solution Approach 1:

By segmenting the equipment compartment structure from the end supports, the design creates a modular system that can be easily reconfigured for different customer requirements. The base frame maintains structural integrity independently, while the equipment compartment can be adapted to various applications.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The equipment compartment structure is designed to be dynamically attachable and detachable from the base frame, allowing it to be reconfigured for different customer requirements. This dynamic connection system maintains structural integrity during operation while enabling high adaptability for different applications.

Inventive Principle:

Principle #15Dynamics

3Force

If the mounting bracket for the hook lift system is connected to the equipment compartment structure, then the force introduction is improved, but the twisting of the equipment compartment structure occurs

Engineering Contradiction:

Improveforce introductionVSAvoidtwisting of equipment compartment structure

Core Design Contradiction:

ForceVSStability of the object's composition

Solution Approach 1:

Gusset plates are introduced as intermediary elements between the mounting bracket and the equipment compartment structure. These gusset plates distribute the high forces from the hook lift system across the base frame and longitudinal beams, preventing direct transmission of twisting forces to the equipment compartment structure while maintaining force introduction capability.

Inventive Principle:

Principle #24Intermediary (Mediator)

4Ease of manufacture

If the aluminum panel system is connected with standard connection methods, then the ease of manufacture is improved, but the torsional rigidity decreases

Engineering Contradiction:

Improveease of manufactureVSAvoidtorsional rigidity

Core Design Contradiction:

Ease of manufactureVSStrength

Solution Approach 1:

Drop-forged parts serve as intermediary connection elements between the aluminum panel system components. These drop-forged parts provide strong torsional rigidity while maintaining ease of manufacture through standardized forging processes. The drop-forged connections effectively transmit torsional forces while allowing for straightforward assembly.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentEP3100964B1Roller container

Publication Date: 2018.01.31 ALBERT ZIEGLER GMBH & CO KG

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AI summary

In a roll-off container (10) with a container base frame (12) and an equipment compartment superstructure (14) mounted on it, wherein the container base frame (12) has at least two longitudinal beams (16) which each transition at one end into at least two end beams (18) and the equipment compartment superstructure (12) consists of an aluminum panel system, the longitudinal beams (16) and end beams (18) of the container base frame (12) are connected to each other via gusset plates (32), the aluminum panel system of the equipment compartment superstructure (14) is connected to each other by means of drop-forged parts and the equipment compartment superstructure (14) mounted on the container base frame (12) is not connected to the end beams (18) or an end wall (20).