Switch Tamping Machine Automatic Control System
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Solution Overview
Problem
Current switch tamping machines require two work cabins for manual adjustment and control, leading to increased expense, weight, and space requirements, with video cameras inadequately replacing spatial views, resulting in slower working speeds and higher error susceptibility.
Innovation Solution
Implementing a switch component measuring system with sensors for automatic control of roller tongs and lifting hooks, allowing longitudinal displacement and selection of the appropriate tool based on measured positions, enabling transverse and longitudinal adjustments for precise gripping without the need for a second work cabin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two work cabins are used for manual adjustment and control, then the machine can handle complex switch configurations, but the expense, weight, and space requirements increase
Solution Approach 1:
The lifting and straightening unit is equipped with automatic control capabilities through sensors and control systems that enable the machine to autonomously adjust and position components, eliminating the need for manual operation from a second work cabin while maintaining full functionality for handling complex switch configurations
Solution Approach 2:
The single work cabin is enhanced with integrated control systems and automated lifting/straightening mechanisms that combine the functions previously requiring two separate cabins, allowing one operator to control all machine functions including tamping, lifting, and straightening operations
2Device complexity
If video cameras are used to replace spatial view, then the number of work cabins can be reduced, but the view quality is inadequate and working speed decreases
Solution Approach 1:
The patent replaces manual visual inspection and mechanical control with automated optical sensors and electronic control systems that continuously monitor track geometry and automatically adjust machine parameters, enabling faster operation without sacrificing control quality
Solution Approach 2:
Sensors and measurement systems provide real-time feedback on track position and machine status to the control system, enabling continuous automatic adjustment and maintaining high working speeds through closed-loop control rather than relying on operator visual inspection
3Adaptability or versatility
If manual adjustment is used, then the machine can adapt to various positions, but error susceptibility increases and working speed decreases
Solution Approach 1:
The machine incorporates automated positioning systems with sensors that continuously measure track geometry and automatically calculate and execute the required adjustments, eliminating manual estimation and reducing human error while maintaining full adaptability to various track configurations
Solution Approach 2:
Manual measurement and calculation operations are replaced with automated electronic sensors and control systems that precisely measure track parameters and automatically compute adjustment parameters, significantly reducing error susceptibility while maintaining adaptability
4Strength
If roller tongs are used for gripping, then the rail head can be secured, but in switch areas with crossing rails and frog, the roller tongs cannot be used
Solution Approach 1:
The lifting and straightening unit is designed with laterally extendable and height-adjustable components that can dynamically change their position and configuration to access and grip rails in complex switch areas where fixed roller tongs would be ineffective
Solution Approach 2:
The lifting and straightening unit incorporates multiple gripping mechanisms including roller tongs for standard areas and laterally extendable lifting hooks for switch areas, allowing a single unit to perform both functions and eliminating the need for separate specialized equipment
Data Source
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AI summary
What is proposed is a method and a device for compacting the ballast bed of a track, in particular in the region of points, with a points-tamping machine (1) which is equipped with a tamping unit (4) and with a lifting/straightening device (2) for straightening the track level that comprises at least one roller tongs (6) and at least one lifting hook (7) and is guided on the machine frame (2) so as to be longitudinally displaceable in the machine longitudinal direction. In order to provide advantageous straightening conditions, it is proposed that a points component measuring unit (3) arranged upstream of the lifting/straightening device (2) in the working direction (C) is provided for position-dependent measuring of the position of points components.