Steering Tower Control Layout for One-Handed Auto-Steering Operation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing work vehicle designs require drivers to reach forward beyond the steering wheel to operate the setting operation tool, making it difficult to easily control automatic steering.
Innovation Solution
The arrangement of the automatic steering switching tool and setting operation tool on the steering tower, below the steering wheel and on one side of the rotation axis, allows for easy access and operation without extending beyond the steering wheel, with the setting operation tool positioned close to the driver and forward-reverse switching tool differentiated in distance to prevent confusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the setting operation tool is positioned forward of the steering wheel on the monitor, then the automatic steering function can be controlled, but the driver cannot easily reach and operate the tool
Solution Approach 1:
The setting operation tool is repositioned from the forward monitor area to the steering tower area, utilizing the vertical and lateral dimensions of the steering column structure. This dimensional relocation brings the tool within the driver's natural reach zone while maintaining functional separation from the steering wheel.
Solution Approach 2:
The steering tower serves as an intermediary structure that houses both the automatic steering switching tool and the setting operation tool. This intermediary positioning allows both tools to be accessible from the driver's seat without requiring forward reaching beyond the steering wheel.
2Area of stationary object
If multiple switching tools are positioned close together, then space is saved, but the driver may confuse between the tools
Solution Approach 1:
Each switching tool is assigned a distinct local position on the steering tower: the automatic steering switching tool is placed at the upper portion, while the forward-reverse switching tool is positioned at the lower portion. This local differentiation in vertical positioning allows both tools to be space-efficient while maintaining clear functional distinction.
Solution Approach 2:
The two switching tools are positioned asymmetrically in the vertical direction rather than symmetrically side-by-side. The automatic steering switching tool is located above the forward-reverse switching tool, creating an asymmetric arrangement that provides visual and tactile differentiation while conserving horizontal space.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A work vehicle includes an automatic steering switching tool 19 for starting or ending automatic steering of the travel vehicle body and a setting operation tool 21 for selecting a setting for the automatic steering of the travel vehicle body. The automatic steering switching tool 19 and the setting operation tool 21 are positioned at an upper portion of a steering tower 15 and below a steering wheel 16. (Fig. 3)