Independent Rotating Units for Track Tool Positioning

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Solution Overview

Problem

Existing devices for positioning track maintenance equipment on the track are limited in flexibility and cost-effectiveness due to their design, which restricts the movement of maintenance equipment relative to the track.

Innovation Solution

A device with at least two support modules and a rotating device featuring independent rotating units allows for flexible positioning of track maintenance equipment. The rotating units enable independent rotational displacement of the support modules around parallel vertical axes, and the device includes transverse and longitudinal positioning systems for precise alignment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the rotating device has independent rotating units for each support module, then the positioning flexibility of track maintenance equipment is improved, but the device complexity increases

Engineering Contradiction:
Improvepositioning flexibilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The rotating device is divided into multiple independent rotating units, with each unit responsible for rotating a specific support module. This segmentation allows each module to be positioned independently, achieving flexible positioning while keeping each rotating unit's design relatively simple and modular.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device transitions from a static or collectively-rotating structure to a dynamic system where each support module can be rotated independently based on positioning requirements. This dynamic capability enables adaptive positioning for different track maintenance scenarios, particularly at switches and curves.

Inventive Principle:
Principle #15Dynamics

2Productivity

If the support modules can be positioned precisely and flexibly, then the productivity of track maintenance operations is improved, but the device complexity increases

Engineering Contradiction:
Improvemaintenance efficiencyVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The positioning system is segmented into multiple independent control units, each managing a specific support module's position and orientation. This modular approach enables precise positioning for efficient track maintenance while maintaining manageable system complexity through standardized modular components.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device is designed with multi-functional capability to handle various track maintenance tasks including straight sections, curves, and switches. The independent rotating units and positioning systems allow the same device structure to serve multiple maintenance functions, improving productivity across different operational contexts.

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

Data Source

PatentEP4405526B1Device for positioning track processing tools on a track
Publication Date: 2025.06.18 PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
  • EP4405526B1 patent drawingFigure 1
  • EP4405526B1 patent drawingFigure 2
  • EP4405526B1 patent drawingFigure 3

AI summary

The invention relates to a device (3) for positioning track processing tools (2) on a track, the device comprising: at least two support modules (29, 30), each having at least one tool support (31a, 31b) for supporting the at least one track processing tool (2), and a horizontal positioning apparatus (32) to which the at least one tool support (31a, 31b) is attached, for moving the at least one tool support (31a, 31b) in a horizontal direction (33a); a rotating apparatus (24) for rotating the at least two support modules (29, 30), wherein the rotating apparatus (24) has at least two rotating units (25, 26) for rotating the at least two support modules (29, 30) independently of one another; and a first transverse positioning apparatus (16) for linearly moving the at least two support modules (29, 30) in a horizontal direction (33a, 33b, 33c) and at an angle of at least 45° to the longitudinal direction (9) of the track (4).