Segmented Torsion Bar Damping for Tracked Vehicle Space Constraints
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Solution Overview
Problem
Existing solutions for damping vibrations in tracked vehicles require significant installation space and fail to effectively manage temperature and movement-dependent damping, limiting the usability and accessibility of vehicle interiors.
Innovation Solution
Dividing long torsion bar springs into smaller units and orienting them parallel to the vehicle pan, connected by transmission elements, allows for space-saving damping without the need for transverse installation space, enabling efficient vibration absorption and reduced height requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If long torsion bar springs are used to dampen vibrations of track rollers, then effective vibration damping is achieved, but significant installation space is required transverse to and below the vehicle pan
Solution Approach 1:
The long torsion bar spring is divided into multiple smaller torsion bar segments arranged in series. Each segment contributes to the overall torsional damping while the segmented configuration allows the system to fit within the available space transverse to the vehicle pan, rather than requiring a single long spring extending below the pan.
Solution Approach 2:
Instead of arranging the torsion bar spring in a single long configuration extending below the pan, the invention reconfigures it as multiple segments arranged in a series configuration that utilizes the transverse space more efficiently, changing the spatial dimensionality of the installation from a vertical extension to a distributed transverse arrangement.
2Reliability
If torsion bar springs are mounted above the pan bottom to achieve necessary torsion angles, then vibration damping is effective, but the usable height in the interior is considerably reduced
Solution Approach 1:
By segmenting the torsion bar spring into multiple smaller units, each segment requires a smaller individual torsion angle to contribute to the overall damping effect. This allows the total torsion angle to be achieved through the cumulative effect of multiple segments rather than requiring a single large-angle deflection that would consume excessive vertical space.
Solution Approach 2:
The invention uses multiple torsion bar segments that each provide a portion of the total damping effect. Rather than requiring one spring to provide the entire torsion angle in a single deflection, the partial action of multiple segments achieves the same overall damping with reduced individual deflection requirements, preserving interior height.
3Reliability
If hydraulic shock-absorbing means are used to support track rollers, then vibration damping is transferred outside the pan, but temperature management and movement-dependent damping remain problematic
Solution Approach 1:
The invention replaces the hydraulic shock-absorbing system with a purely mechanical torsion bar spring system. This substitution eliminates the temperature management issues associated with hydraulic fluid and the complexity of movement-dependent damping control, providing a simpler, more reliable mechanical damping solution that is less sensitive to environmental conditions.
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
This approach reduces installation space requirements, enhances vibration damping efficiency, and improves accessibility by distributing torsion angles uniformly across multiple torsion bars, allowing for effective damping without compromising interior space or crew access.
Implementation Method 1
damping of the individual track rollers is realized according to the state of the art by means of a torsion bar spring
Implementation Method 2
the long, torsion-absorbing torsion bar springs of the intermediate track rollers are divided into a plurality of smaller torsion bar springs
Data Source
AI summary
A device for damping vibrations acting on a tracked vehicle is provided, which has a front and rear track roller. Torsion springs are mounted along a vehicle pan. Alternatively, the torsion springs can be subdivided into smaller torsion springs. For the immediate track rollers, a further device is provided in which the long torsion springs which hitherto absorbed the torsion are divided into a plurality of smaller torsion springs and mounted not transversely with respect to the vehicle pan, but in a direction of travel with respect thereto. The torsion springs are functionally connected to one another via drive and/or transmission elements, and are accommodated outside an interior space. In this way, no further installation space is required transversely with respect to and below the vehicle pan, at most in the side region or within a small recess in the pan, a so-called pan niche.