Eccentric Single Bogie Railway Wagon for Compact Parking
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Solution Overview
Problem
Conventional railway trains with integrated tracks require large parking spaces, limiting flexibility and increasing operational costs due to the need for uniform design and expensive production facilities, making dynamic operation and scalable fleets impractical.
Innovation Solution
A railway train with an integrated track system featuring eccentrically positioned single running gears, detachable coupling devices, and pivot bearing parts that allow for flexible configuration and folding of carriage bridges, enabling efficient use of existing manufacturing processes and reduced parking space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional railway trains with integrated tracks use symmetric design and uniform concepts, then production facilities can be standardized, but flexibility is reduced and large parking spaces are required
Solution Approach 1:
The railway train is divided into modular carriage units that can be independently configured. Each carriage has standardized coupling systems that allow different combinations, enabling flexible train compositions without requiring complete redesign of production facilities. The carriages can be assembled in various sequences and configurations to meet different operational requirements.
Solution Approach 2:
The train configuration is made dynamic through detachable coupling devices that allow carriages to be easily connected and disconnected. This enables the fleet to be reconfigured for different tasks - some carriages can be coupled to form longer trains while others remain separate, providing operational flexibility without requiring specialized production facilities for each configuration.
2Stability of the object's composition
If railway carriages are designed with conventional two-bogie structures, then stability and load distribution are improved, but parking space requirements increase
Solution Approach 1:
One bogie is removed from the conventional two-bogie design, leaving a single bogie positioned eccentrically at the rear of the carriage. This extraction reduces the overall length and footprint of the carriage when parked, while the eccentric positioning and specialized coupling system maintain adequate load distribution and structural stability during operation.
Solution Approach 2:
The single bogie is positioned asymmetrically (eccentrically) at the rear of the carriage rather than centrally. This asymmetric design allows the carriage to achieve stable load distribution through the coupling system while minimizing the parking footprint. The uneven weight distribution is compensated by the coupling mechanism between carriages.
3Shape
If coupling systems are positioned centrally between carriages, then symmetric design is achieved, but adaptability to different operational requirements is reduced
Solution Approach 1:
The coupling system is positioned asymmetrically at the front of one carriage and rear of the adjacent carriage, rather than centrally on both. This asymmetric coupling arrangement provides operational adaptability, allowing carriages to be coupled in different configurations and orientations, while the overall train can still achieve balanced weight distribution through the eccentric bogie positioning.
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 solution allows for a high degree of flexibility in operation, reduced parking space needs, and simplified loading/unloading processes, while maintaining a conventional structure that can be easily adapted from existing rolling stock, thus minimizing production costs and logistical challenges.
Implementation Method 1
The pivot bearing parts are connected to one another in a rotatable manner about at least one axis
Implementation Method 2
a coupling device with a first and a second coupling device part that are detachably connected to one another
Data Source
Figure 1a~1b
Figure 2a
Figure 2b
AI summary
The railway train (10), which has an integrated route (100), comprises at least two railway carriages (1A, 1B) coupled to each other by a coupling system (2, 3) and guided on rails (9), each having a front (F) and a rear (R) as well as a carriage bridge (12) which is supported at its underside on at least one running gear (11) and which forms part of the route (100) at its upper side.According to the invention, each of the railway wagons (1A; 1B) has only one chassis (11) which is arranged eccentrically but completely below the associated wagon bridge (12) and spaced apart from the associated coupling system (2, 3) on the rear (R) of the railway wagon (1A; 1B), which has a coupling device (2) with a first and a second coupling device part (21, 22) which are detachably connected to each other, and a pivot bearing (3) with a first and a second pivot bearing part (31, 32) which are arranged on mutually facing end pieces of adjacent wagon bridges (12A, 12B) and overlap each other, and that the railway wagons (1A; 1B) are coupled to each other in such a way that the front (F) and the rear (R) of adjacent railway wagons (1A, 1B) are connected to each other.