Automated Track Support Plate Alignment Device

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Solution Overview

Problem

The existing methods for aligning slab track support plates in railway construction are time-consuming and require a large number of personnel, lacking precision and efficiency, especially when adjusting the position of track support plates relative to the subsurface.

Innovation Solution

A device comprising a control unit and an adjusting mechanism with electrically driven units to automatically align track support plates by determining the actual position using a position determining device and adjusting spacer elements to match a target position, allowing for precise alignment with minimal personnel.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual measurement and alignment methods are used for track support plates, then alignment precision can be achieved, but the process is time-consuming and requires multiple specialists working simultaneously

Engineering Contradiction:
Improvealignment precisionVSAvoidalignment speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The patent replaces manual mechanical measurement and alignment operations with an automated system comprising a positioning device for determining actual positions, a control unit for processing position data, and an adjustment device with actuators for automated spacer element adjustment. This substitution of mechanical manual operations with automated electromechanical systems resolves the contradiction by achieving both high precision alignment and increased productivity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The alignment system performs self-measurement and self-adjustment operations. The positioning device automatically determines the actual position of the track support plate, the control unit calculates the required adjustments, and the adjustment device automatically positions the spacer elements. This self-service capability eliminates the need for multiple specialists working simultaneously while maintaining high alignment precision.

Inventive Principle:
Principle #25Self-service

2Productivity

If automated adjustment devices are implemented, then alignment speed and productivity improve, but device complexity increases

Engineering Contradiction:
Improvealignment speedVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The chassis serves multiple functions: it supports the positioning device, carries the running gear for movement along the track, and provides a stable platform for the adjustment device. This multi-functionality reduces the number of separate components needed, thereby controlling device complexity while maintaining high productivity through automation.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The control unit acts as an intermediary that receives position data from the positioning device, processes the information to determine required adjustments, and sends control signals to the adjustment device. This intermediary role simplifies the overall system architecture by centralizing the control logic and reducing direct complexity between sensing and actuation components.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If multiple spacer elements are adjusted simultaneously, then alignment precision improves, but the number of actuating units and device complexity increase

Engineering Contradiction:
Improvealignment accuracyVSAvoidnumber of actuators
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent combines multiple adjustment functions into a single integrated adjustment device mounted on the chassis. Rather than having separate adjustment mechanisms for each spacer element, the system uses one coordinated adjustment device with multiple actuators that work together under unified control from the control unit. This merging approach maintains alignment accuracy while controlling overall device complexity through integration.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP4229239B1Device and method for aligning track support plates and method for the manufacture of a fixed track
Publication Date: 2024.02.28 STRABAG SE
  • EP4229239B1 patent drawingFigure 1
  • EP4229239B1 patent drawingFigure 2
  • EP4229239B1 patent drawingFigure 3

AI summary

Device (1), in particular a carriage (1'), for aligning a track support plate (2) with respect to an underlying surface (10), having: - a bogie (3), - running gear (4) for moving the bogie (3) along the track support plate (2) and - a position-determining means (7) for determining an actual position (Pactual) of the track support plate (2), wherein a control unit (17) and an adjusting device (18) with at least one preferably electrically driven setting unit (19) for adjusting at least one spacer element (14) on the track support plate (2) are provided, wherein the control unit (17) is designed to receive the actual position (Pactual) from the position-determining means (7) and to align the track support plate (2) on the basis of the actual position (Pactual) in accordance with a target position (Ptarget) by driving the adjusting device (18). Furthermore, a method for aligning a track support plate (2) with the aid of the device (1) and a method for producing a slab track (24) are also provided.