Track Stabilization with Force Course Monitoring

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current track stabilization methods lack effective monitoring and control of the stabilization process, particularly in ensuring optimal ballast consolidation and track position stability, leading to unpredictable post-settlements and uneven track conditions.

Innovation Solution

A method and device utilizing a stabilizing unit with a vibration exciter and rollers on a machine frame, equipped with sensors to record the force course over an oscillation path, allowing for real-time evaluation of the stabilization process and ballast quality, enabling continuous adjustment of process parameters for improved consolidation and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If vibrations are generated by a stabilizing unit to consolidate ballast, then track position stability is improved, but the ability to monitor and control the stabilization process deteriorates

Engineering Contradiction:
Improvetrack position stabilityVSAvoidmonitoring capability
Core Design Contradiction:
Stability of the object's compositionVSLoss of information

Solution Approach 1:

The patent implements feedback by measuring the actual vibration effects on the track and ballast using sensors, then using this information to control the stabilizing unit. The measurement device detects vibration parameters, and the control device adjusts the stabilizing unit's operation based on this feedback, creating a closed-loop control system that monitors and controls the stabilization process in real-time.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces purely mechanical monitoring with a sensor-based measurement system that uses electrical or optical signals to detect vibration parameters. This substitution enables more precise and informative monitoring of the stabilization process, allowing for better control decisions without adding significant mechanical complexity.

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

2Device complexity

If stabilization process is not monitored, then device complexity is reduced, but manufacturing precision and quality control deteriorate

Engineering Contradiction:
Improvemonitoring system complexityVSAvoidballast consolidation quality
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The stabilizing unit performs self-monitoring by incorporating measurement devices that detect its own vibration effects on the track and ballast. This self-service approach allows the system to evaluate its own performance and adjust accordingly, ensuring quality control without requiring a separate complex monitoring infrastructure.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The measurement device serves multiple functions: it monitors vibration parameters, evaluates ballast consolidation quality, and provides data for control adjustments. By making the monitoring system multi-functional, the patent reduces overall device complexity while maintaining high manufacturing precision and quality control capabilities.

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

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 online evaluation and adjustment of the stabilization process, ensuring uniform ballast consolidation, reduced post-settlements, and enhanced track stability by analyzing dynamic interaction systems, thereby optimizing the entire consolidation process and maintaining a stable track position during railway operation.

Implementation Method 1

the vibration exciter generates in particular horizontal vibrations running transversely to the longitudinal direction of the track

Methodology Applied
Scientific EffectVibration: Vibration

Implementation Method 2

a course of a force acting from the stabilizing unit on the track over an oscillation path being recorded during a vibration cycle by sensors

Methodology Applied
Scientific EffectForce measurement: Force

Data Source

PatentUS12157978B2Method and device for stabilizing a track
Publication Date: 2024.12.03 PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GMBH
  • US12157978B2 patent drawing
  • US12157978B2 patent drawing
  • US12157978B2 patent drawing

AI summary

A method for stabilizing a track having sleepers supported on a track ballast and rails secured to the sleepers, includes using a stabilizing unit which is connected to a machine frame that can be moved on the rails and has a vibration exciter and rollers that can roll on the rails. The vibration exciter generates in particular horizontal vibrations which run transversely to the track longitudinal direction. The course of a force exerted onto the track by the stabilizing unit is recorded over a vibration path during a vibration cycle by sensors. At least one parameter is derived from the course by an evaluation device and is used to evaluate the stabilizing procedure and/or the quality of the track ballast. A device for implementing the method is also provided.