Cab-Over Tractor Steering and Axle Configuration for Auto Hauling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Tractor and trailer combinations used for transporting automobiles face challenges in maneuverability and hauling capacity due to the weight and size of automobiles, requiring improved design for efficient handling and load distribution.
Innovation Solution
The system incorporates a cab-over tractor with an extended wheelbase frame, side notches for wheel clearance, multiple steering axle assemblies, a supplemental axle assembly, and a drive axle assembly to enhance maneuverability and hauling capacity, featuring a pitman arm and h-link system for steering and a retractable supplemental axle to assist in load bearing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional tractor and trailer combination is used to transport automobiles, then the basic hauling function is achieved, but the maneuverability is poor and the turning radius is large
Solution Approach 1:
The front steering axle is divided into multiple independently steerable wheels (first, second, third, and fourth steering wheels) that can be controlled separately. This segmentation allows each wheel to follow its own path during turning, significantly reducing the overall turning radius and improving maneuverability compared to a conventional single-axle steering system
Solution Approach 2:
The steering system employs dynamic control where the pitman arm and h-link mechanism enable the steering wheels to adjust their angles dynamically during turning. The ability to independently angle the steering wheels allows the tractor to navigate tight spaces and sharp turns with greater ease, directly addressing the maneuverability limitation
2Quantity of substance
If the tractor is designed with standard load-bearing structure, then the device complexity is low, but the hauling capacity is insufficient for heavy automobiles
Solution Approach 1:
The supplemental axle assembly integrates multiple functional elements into a single unit: it provides additional load-bearing capacity through supplemental wheels, incorporates retractable mechanisms for adaptability, and includes positioning systems for optimal weight distribution. This merging of functions increases hauling capacity while managing complexity through integrated design
Solution Approach 2:
The supplemental axle assembly is designed to be positionably located rather than fixed, allowing it to be raised or lowered based on load requirements. This dynamic configuration enables the tractor to adjust its load-bearing capacity as needed, providing enhanced hauling capability for heavy automobiles only when necessary, thus balancing capacity needs with operational flexibility
Data Source
AI summary
The present invention features an automobile hauling system for improved maneuverability and hauling capacity for a tractor and trailer combination used to transport automobiles. The system features a cab-over automobile hauling tractor having an extended wheelbase frame with first and second side notches. The tractor features a first steering axle assembly, a second steering axle assembly, and an h-link. A pitman arm first end is located on a steering box and a pitman arm second end is pivotally located on a first drag link. The tractor features a supplemental axle assembly and a drive axle assembly located on the frame bottom. The system features an automobile hauling trailer pivotally located on the frame top side.