Industrial Vehicle Cabin Front Structure for Crash Load Dissipation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Industrial vehicle cabin front structures face challenges in balancing crash resistance, visibility, and aerodynamic efficiency, particularly in limiting cabin intrusion and reducing energy consumption.
Innovation Solution
A front structure for the cabin of an industrial vehicle comprising a reinforcement structure fixed to a firewall panel, a cross member overlapping the reinforcement structure, and a fixing element attaching the reinforcement structure to a structural beam, which enhances crash resistance and energy dissipation while maintaining visibility and reducing drag.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the front structure is reinforced to improve crash resistance, then cabin intrusion is limited, but the structure becomes heavier and more complex
Solution Approach 1:
The front structure is divided into multiple functional components: a reinforcement structure with load-bearing members, a separate cross member for additional support, and a deformation member for energy absorption. This segmentation allows each component to be optimized for its specific function, achieving high crash resistance while controlling overall weight.
Solution Approach 2:
The patent employs composite structural design combining rigid members (reinforcement structure, cross member) with a deformation member that can absorb energy through controlled deformation. This composite approach integrates materials and structures with different mechanical properties to simultaneously achieve strength and weight efficiency.
2Strength
If the front structure is reinforced to improve crash resistance, then cabin intrusion is limited, but the structure complexity increases
Solution Approach 1:
The reinforcement structure, cross member, and deformation member are integrated into a unified front structure assembly that works together as a cohesive system. The fixing elements combine attachment and load transfer functions, reducing the number of separate components while maintaining structural integrity and simplifying the overall design.
Solution Approach 2:
The cross member serves multiple functions: it provides additional structural support, acts as a mounting point for the deformation member, and contributes to load distribution during crash events. The fixing elements simultaneously attach components and transfer loads, reducing component count and simplifying the structure.
3Illumination intensity
If the firewall panel is positioned further back to improve visibility, then blind spots are reduced, but crash resistance decreases
Solution Approach 1:
The solution moves the firewall panel forward in the longitudinal direction while compensating for visibility by extending the dashboard and windshield assembly forward. This dimensional adjustment allows the firewall to be in a position that optimizes both visibility and crash resistance by distributing structural loads across a larger volume.
Solution Approach 2:
The reinforcement structure and cross member are pre-positioned to create load paths that redirect crash forces away from the firewall panel area. This preliminary structural arrangement ensures that even with the firewall positioned for optimal visibility, the crash resistance is maintained through alternative load-bearing pathways.
4Use of energy by moving object
If the front structure is streamlined to reduce aerodynamic drag, then energy consumption decreases, but crash resistance may be compromised
Solution Approach 1:
The front structure incorporates a deformation member that is designed to deform in a controlled manner during crash events, dynamically absorbing energy. The rigid components (reinforcement structure, cross member) maintain their shape to provide structural integrity, while the deformation member adapts to impact forces, creating a dynamic response that maintains both aerodynamic efficiency and crash resistance.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The proposed front structure effectively limits cabin intrusion during crashes, enhances energy dissipation, and improves visibility while reducing aerodynamic drag, thereby enhancing safety and fuel efficiency.
Implementation Method 1
the reinforcement structure transmits forces to the main structure of the cabin, including the longitudinal structural beams of the cabin
Implementation Method 2
the deformation of the cross member contributes to dissipate energy and mitigate the effect of the crash
Implementation Method 3
a fixing element configured for fixing the reinforcement structure to a structural beam of the cabin
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The disclosure relates to front structure (50) for a cabin (70) of an industrial vehicle (100), comprising : - an reinforcement structure (1) configured for being fixed to a firewall panel (60) of the cabin (70), - a cross member (2) configured for being fixed to the reinforcement structure (1) and for overlapping the reinforcement structure (1), - a fixing element (3) configured for fixing the reinforcement structure (1) to a structural beam (45) of the cabin (70), the structural beam (45) extending in a longitudinal direction (X) of the cabin (70).