Modular Coupling Bar Joint for Wider Rail Vehicle Swivel Angles
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Solution Overview
Problem
Existing articulated joint connection devices for rail vehicles are complex, costly, and lack standardization, making them difficult to repair and adapt for different applications, with integral formation of coupling elements limiting flexibility and increasing production costs.
Innovation Solution
A modular articulated joint connection device with separate coupling elements connected via an articulated joint, allowing for standardized connector devices and easy adaptation, featuring a drawbar sleeve joint connection for compact and versatile design, enabling easy assembly and replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If articulated connection is integrated directly into the longitudinal axis of coupling bar parts, then force transmission is achieved, but the angle of deflection is limited and the maximum attainable swivel angle is reduced
Solution Approach 1:
The pivot axis is positioned laterally offset from the longitudinal axis rather than being integrated into it. This spatial repositioning allows the coupling bar part to pivot through a larger angular range while maintaining force transmission capability along the longitudinal axis when coupled. The lateral offset creates additional dimensional space for the articulation mechanism.
2Stability of the object's composition
If coupling elements are integrally formed with coupling bar parts, then articulated connection is achieved, but production costs increase and standardization is reduced
Solution Approach 1:
The coupling system is divided into separate modular components: coupling bar parts with standardized interfaces and separate coupling elements with articulated connection capability. This segmentation allows each component to be manufactured using standard processes and enables interchangeability, reducing production costs while maintaining stable articulated connection when assembled.
Solution Approach 2:
The coupling elements are designed with universal standardized interfaces that can connect to different coupling bar parts. This universality allows the same coupling element design to be used across multiple applications and configurations, achieving economies of scale in manufacturing while providing stable articulated connection.
3Stability of the object's composition
If coupling elements are integrally formed with coupling bar parts, then articulated connection is achieved, but repair difficulty increases due to lack of standard components
Solution Approach 1:
By separating the coupling elements from the coupling bar parts, the system enables independent replacement of worn or damaged components. Standardized coupling elements can be replaced without replacing entire coupling bar parts, significantly easing repair procedures and reducing maintenance costs while maintaining stable articulated connection.
Solution Approach 2:
The modular design with standardized components allows damaged coupling elements to be discarded and replaced with new or refurbished standard parts. This approach simplifies repair operations and enables recovery of valuable coupling bar parts while replacing only the worn articulation components.
4Reliability
If components are specially matched to particular application, then articulated connection functionality is achieved, but adaptability for other systems is reduced
Solution Approach 1:
The coupling elements incorporate standardized interfaces and articulated connection mechanisms that can be adapted to different coupling bar part configurations and applications. This universality maintains reliable articulated connection functionality while enabling the same basic coupling element design to serve multiple purposes and systems.
Solution Approach 2:
The articulated connection mechanism provides dynamic adaptability through its pivot capability, allowing the coupling to accommodate different angular relationships and loading conditions. This dynamic特性 enables the standardized coupling elements to adapt to various application requirements while maintaining reliable force transmission and articulated functionality.
Data Source
AI summary
An articulated joint connection device force-transmits the connection of two components, each extending along a common longitudinal axis in a first working position, and for pivoting one of the two components relative to the other component about a pivot axis, which is arranged perpendicularly and parallel to the longitudinal axis, into at least one other, second working position. Furthermore, a coupling device, particularly for rail vehicles, has a coupling bar with two components which are coupled together via such an articulated joint connection device. The design configuration of the coupling elements is characterized by a drawbar sleeve joint connection.