Ballast Cleaning System With Segmented Frames
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Solution Overview
Problem
Existing ballast cleaning systems face difficulties in navigating tight curves and adapting to varying operating conditions, limiting their effectiveness and versatility.
Innovation Solution
A system comprising two machine frames with two crawler chassis and two rail chassis each, featuring a height-adjustable crawler chassis, a clearing chain with a pickup unit, and a screening system with a ballast ejection device, allowing for short chassis spacing and easy removal of the screening plant for improved adaptability and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the chassis spacing is reduced to enable operation on tight curves, then the adaptability to curved tracks is improved, but the structural complexity and manufacturing difficulty increase
Solution Approach 1:
The cleaning system is divided into multiple independent machine frames (first machine frame with clearing chain, second machine frame with screening plant), each with its own crawler chassis. This segmentation allows the frames to be arranged closely together while maintaining functional independence, enabling operation on tight curves without compromising structural integrity.
Solution Approach 2:
Each machine frame is equipped with both crawler chassis and rail chassis, making the system universally adaptable to different track conditions. The dual-chassis design allows the same frame configuration to handle both tight curves and straight sections, reducing overall system complexity while improving versatility.
2Ease of operation
If the screening plant is made removable for easy adaptation to different operating conditions, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The screening plant is designed as a separate, removable module mounted on the second machine frame. This segmentation allows the screening plant to be easily detached and reattached depending on operating conditions, such as when dealing with heavily soiled ballast beds that require total excavation. The modular design simplifies operation while the standardized connection interfaces minimize the increase in device complexity.
3Adaptability or versatility
If the crawler chassis are made height-adjustable for better adaptation to different track conditions, then the adaptability is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The crawler chassis are equipped with height-adjustable mechanisms that allow dynamic adaptation to different track conditions and ballast bed depths. This dynamic capability enables the chassis to be raised or lowered as needed, improving versatility without requiring completely different chassis designs for different applications. The standardized height-adjustment mechanism across both frames reduces manufacturing complexity.
Data Source
Figure 1~2
AI summary
The invention relates to a system (1) for cleaning a ballast bed (2), consisting of a first machine frame (3) and a second machine frame (4) that is coupled to said first machine frame. Each of the machine frames is equipped with two height-adjustable caterpillar tracks (5) and two rail bogies (6). A receiving unit (13) of an excavating chain (12) for receiving ballast (16) lies between the caterpillar tracks (5) of the first machine frame (3). A ballast discharging device (20) lies between the caterpillar tracks (5) of the second machine frame (4), which has a screening system (19).