Rail Car Anticlimber Segmentation for Height Mismatch
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Solution Overview
Problem
In rail transit vehicles, collision structures such as anticlimbers and couplers on different models of rail cars often fail to contact each other effectively due to height discrepancies, leading to incomplete energy absorption and increased damage during collisions, necessitating costly replacements or modifications of older cars.
Innovation Solution
A rail car collision system featuring a first anticlimber protruding from the front face and a second anticlimber positioned vertically different from the first, allowing for effective engagement and energy absorption even when cars have differing underframe heights, with the second anticlimber located on the car with the lower underframe to ensure contact and distribute impact loads across the underframe.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If anticlimbers are positioned at the same height on both colliding rail cars, then effective contact and energy absorption are achieved, but this requires replacing or modifying older cars to match newer car heights, incurring considerable expense and inconvenience
Solution Approach 1:
The anticlimber is divided into multiple vertically spaced segments or contacts points along the front face of the rail car. This segmentation allows different parts of the anticlimber to engage with opposing cars at different heights, ensuring effective contact regardless of height discrepancies between colliding vehicles.
Solution Approach 2:
The invention transitions from a single-height anticlimber position to a multi-height configuration by adding a vertical dimension to the contact interface. Multiple anticlimber elements are positioned at different vertical levels, creating a distributed contact system that accommodates height variations between colliding rail cars.
2Adaptability or versatility
If anticlimbers are positioned at different heights on colliding rail cars, then compatibility between newer and older cars is maintained, but effective contact is lost and energy absorption is incomplete
Solution Approach 1:
The anticlimber is divided into multiple vertically spaced segments or contacts points along the front face of the rail car. This segmentation allows different parts of the anticlimber to engage with opposing cars at different heights, ensuring effective contact regardless of height discrepancies between colliding vehicles.
Solution Approach 2:
The invention transitions from a single-height anticlimber position to a multi-height configuration by adding a vertical dimension to the contact interface. Multiple anticlimber elements are positioned at different vertical levels, creating a distributed contact system that accommodates height variations between colliding rail cars.
3Ease of manufacture
If a single-height anticlimber configuration is used, then the structure is simple and manufacturing is easy, but it cannot accommodate height variations between different rail car models
Solution Approach 1:
The anticlimber is divided into multiple vertically spaced segments or contacts points along the front face of the rail car. This segmentation allows different parts of the anticlimber to engage with opposing cars at different heights, ensuring effective contact regardless of height discrepancies between colliding vehicles.
Solution Approach 2:
The invention transitions from a single-height anticlimber position to a multi-height configuration by adding a vertical dimension to the contact interface. Multiple anticlimber elements are positioned at different vertical levels, creating a distributed contact system that accommodates height variations between colliding rail cars.
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 system enables effective energy absorption and reduced damage during collisions between incompatible rail cars, minimizing structural impact on the underframe and conforming to regulatory standards without requiring extensive modifications or replacements.
Implementation Method 1
The anticlimber includes a grille. When two cars collide, the anticlimbers will contact each other and, similar to the coupler, will absorb the impact of a collision with another rail vehicle. Each anticlimber absorbs the energy generated by the impact and distributes the remainder across the underframe of each car.
Implementation Method 2
The coupler in a 'front' car of the rail vehicle acts as a buffer to absorb the impact of a collision with another rail vehicle. The coupler for each car then absorbs the energy generated by the impact and distributes the remainder across the underframe of the car
Data Source
AI summary
A rail car collision system is disclosed that includes a front face and an underframe having a first anticlimber. The first anticlimber protrudes from and extends across at least a portion of the front face at a first position. At least one second anticlimber extends along at least a portion of the front face at a second position that is vertically different than the first position.