Supporting Wall for Railway Ballast Cleaning
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Solution Overview
Problem
Existing ballast cleaning machines are structurally complex and unsuitable for excavating ballast when there is no significant level difference between adjacent tracks, making it difficult to securely excavate ballast from neighboring tracks without impairing the excavation process.
Innovation Solution
A machine with a supporting wall that can be easily attached between the ballast pick-up device and the track lifting device, using a hydraulic cylinder for pressure, to securely cover and support the adjacent ballast bed, allowing for reliable excavation without complex structural modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a supporting wall is added to secure the ballast bed of neighboring tracks, then the reliability of excavation is improved, but the device complexity increases
Solution Approach 1:
The supporting wall is designed as a separate, detachable component that can be independently attached and removed. It is divided into a wall proper and attachment means (bolts, clamps, or quick-connect mechanisms), allowing the main machine body to remain simple while the support function is modular and can be added only when needed for neighboring track excavation.
Solution Approach 2:
The supporting wall acts as an intermediary element between the excavation zone and the neighboring track ballast bed. It provides the necessary support function without requiring structural modifications to the main machine body, serving as a mediator that enables reliable excavation while keeping the overall device complexity low.
2Reliability
If the supporting wall is permanently integrated into the machine, then the reliability is improved, but the ease of manufacture and adaptability deteriorates
Solution Approach 1:
The supporting wall transitions from a static, permanent integration concept to a dynamic, adjustable component. It can be attached when excavation of neighboring tracks is required and detached when not needed, allowing the machine to adapt its configuration to different working conditions and maintain versatility.
Solution Approach 2:
The supporting wall design with universal attachment means (such as standardized bolts, clamps, or quick-connect mechanisms) allows it to be attached to different machine configurations and used in various excavation scenarios. This multi-functional approach enables the same support component to serve different purposes while maintaining machine adaptability.
3Reliability
If complex structural modifications are made to secure neighboring track ballast, then the reliability is improved, but the ease of operation and maintenance deteriorates
Solution Approach 1:
By segmenting the supporting wall into a separate attachable component with standardized connection mechanisms, the system maintains excavation stability through proper support while simplifying operation. The wall can be quickly attached and detached without complex structural modifications, making the machine easier to operate and maintain.
4Adaptability or versatility
If a detachable supporting wall is used, then the adaptability is improved, but the reliability may deteriorate due to connection points
Solution Approach 1:
The supporting wall is segmented into modular components with standardized attachment means, allowing versatile configuration while maintaining stability through proper connection design. The segmentation enables adaptability without compromising reliability when appropriate connection mechanisms are used.
Solution Approach 2:
The attachment means (bolts, clamps, or quick-connect mechanisms) serve as intermediaries that reliably connect the supporting wall to the machine frame. These intermediary connection elements are designed to provide sufficient mechanical strength and stability, ensuring that the detachable nature of the wall does not compromise the reliability of ballast bed support during operation.
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
Enables problem-free excavation of ballast from neighboring tracks by securely supporting the adjacent ballast bed, ensuring uninterrupted and efficient cleaning operations.
Implementation Method 1
A selectable pressure against the adjoining ballast bed 14 can thus be exerted with the retaining wall 16
Data Source
AI summary
A machine for cleaning ballast (7) of a ballast bed of a track (3) is equipped with a ballast pick‑up device (8) for picking up ballast which is laid underneath the track. A ballast discharge point (10) serves to introduce the cleaned ballast (7) into a gap (12) which is formed in the ballast bed by the extraction of ballast, in order to restore the ballast bed. Arranged in the junction region (13) of the gap (12) in the ballast bed and a ballast bed of a neighbouring track, adjoining when viewed in the transverse direction of the machine, is a support wall (16) which runs in the longitudinal direction of the machine, is positioned between the ballast pick‑up device (8) and the ballast discharge point (10) and is connected to the machine.