Sliding Driver Panel Shock Absorber for Railway Vehicle Collision Safety
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Solution Overview
Problem
Conventional shock energy absorbing structures for railway vehicles collapse vehicle body frames during collisions, compromising driver safety due to the collapse of coupling, energy absorbing buffers, and shock absorbers.
Innovation Solution
A sliding-type apparatus with a movable driver panel that retracts into a protective shell, utilizing multiple sequential shock absorbers, including a bottom shock absorber, front shock absorber, and driver panel shock absorber, to absorb and dissipate shock energy without deforming the driver panel, ensuring space for the driver's safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional shock energy absorbing structures (coupling, energy absorbing buffer, shock absorber) are used to absorb shock energy, then shock energy absorption capability is improved, but vehicle body frames collapse compromising driver safety
Solution Approach 1:
The shock energy absorption system is divided into three independent shock absorbers (bottom shock absorber, front shock absorber, driver panel shock absorber) that operate sequentially. Each shock absorber is a separate component with its own absorption mechanism, allowing the system to absorb energy in stages without collapsing the driver's cab structure.
Solution Approach 2:
The driver panel is designed to slide into the protective shell of the driver's cab during collision, creating a nested configuration. The driver panel shock absorber is positioned within the cab structure, and the entire assembly is integrated into the vehicle's front part, with the protective shell encompassing the driver panel mechanism.
2Loss of energy
If multiple shock absorbers are added to improve shock energy absorption, then shock energy absorption capability is improved, but device complexity increases
Solution Approach 1:
The driver panel serves dual functions: it acts as a structural component of the front part and simultaneously functions as a movable protective element that slides into the cab during collision. The protective shell integrates both the cab structure and the driver panel mechanism, combining multiple functions into a unified assembly that reduces overall system complexity.
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
Effectively damps shock energy through sequential absorption by multiple devices, preventing driver panel deformation and ensuring maximum safety by absorbing energy across multiple stages, thereby protecting the driver during collisions.
Implementation Method 1
a bottom shock absorber installed under a lower surface of the driver panel to absorb the shock energy; a front shock absorber provided on a front surface of the driver panel to absorb the shock energy
Implementation Method 2
Effectively damps shock energy through sequential absorption by multiple devices, preventing driver panel deformation and ensuring maximum safety by absorbing energy across multiple stages
Data Source
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AI summary
A sliding-type apparatus for absorbing front shock energy is disclosed. The sliding-type apparatus of the present invention includes a driver panel (130), which is provided on the front surface of a driver's cab defined by a front part protective shell (110) of a railway vehicle so as to be movable backwards, and a bottom shock absorber (150), which is provided under the lower surface of the driver panel (130). The sliding-type apparatus further includes a front shock absorber (170), which is provided on the front surface of the driver panel (130), and a driver panel shock absorber (190), which is provided at a position towards which the driver panel is moved backwards. Thus, when a railway vehicle is involved in a collision, the several shock absorbers are consecutively collapsed to efficiently absorb shock energy. Furthermore, the driver panel is moved backwards without being deformed by the shock energy. Therefore, the safety of the driver is ensured.