Magnetic Rail Brake Centering with Integrated Vibration Damping
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Solution Overview
Problem
Existing centering devices for magnetic rail brakes on rail vehicles are complex and expensive to manufacture and maintain due to their structure.
Innovation Solution
A centering device with a damper element located between the tie rod and centering means, utilizing a polymer material like ethylene-propylene-diene rubber, which acts as both a damper and a cost-effective locking mechanism, eliminating the need for additional damping elements on the centering device holder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional centering device with damping elements arranged on the centering means receptacle is used, then the locking security is ensured, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines the damping element and the locking mechanism into a single integrated component. The damping element is arranged between the tie rod and the centering means, eliminating the need for separate damping elements on the centering means receptacle. This merging reduces the number of parts and simplifies the overall device structure while maintaining both vibration damping and locking security functions.
Solution Approach 2:
The damping element positioned between the tie rod and centering means serves multiple functions simultaneously: it provides vibration damping during operation and acts as part of the locking mechanism in the raised position. This multi-functionality reduces the need for additional specialized components, thereby reducing device complexity and manufacturing cost while ensuring reliable locking.
2Object-affected harmful factors
If additional damping elements are added to the centering device holder, then the vibration damping performance improves, but the manufacturing and maintenance costs increase
Solution Approach 1:
The patent integrates the damping function directly into the existing structure by positioning a damping element between the tie rod and the centering means. This eliminates the need for additional damping elements on the centering means receptacle, reducing the number of parts to be manufactured and assembled, thereby lowering manufacturing and maintenance costs while achieving adequate vibration damping.
Solution Approach 2:
The damping element positioned between the tie rod and centering means utilizes the existing structural components to provide damping functionality. The element leverages the natural movement and positioning of the tie rod and centering means to achieve vibration damping without requiring additional active systems or complex mechanisms, reducing overall system cost.
3Object-affected harmful factors
If the damping element is arranged on the centering means receptacle, then the vibration absorption is achieved, but the structural complexity and maintenance requirements increase
Solution Approach 1:
The patent merges the damping element with the tie rod assembly rather than placing it on the centering means receptacle. This integration reduces the number of separate components that require maintenance and simplifies the overall structure. The damping element becomes part of the tie rod assembly, which is already a maintained component, thereby reducing maintenance requirements while still achieving effective vibration absorption.
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
This design provides high vibration damping with a cost-effective construction, reducing manufacturing and maintenance costs while maintaining locking security.
Implementation Method 1
Damping elements are provided to reduce further vibrations of the magnetic track brake relative to the running gear caused by acceleration forces. In the prior art, the damping elements are arranged on the inside of the centering cone mount. In the high position, the centering cone rests against the damping element arranged in the centering cone mount. Vibrations from the tie rods or the magnetic rail brake are transmitted to the damper element via the centering cone and absorbed.
Data Source
Figure 1
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Figure 2b
AI summary
In order to provide running gear for a rail vehicle, which running gear comprises a magnetic rail brake, wherein a centring device is provided by means of which vibrations can be damped to a high degree and which has a cost-effective design, running gear (100) for a rail vehicle is provided, comprising a magnetic rail brake (10) having a lifting device (11), a tie bar (13) and an inductor (14) fastened to the tie bar (13), wherein: the inductor (14) and the tie bar (13) can be moved between a low position and a high position by means of the lifting device (11); a centring device (16) is provided; the centring device (16) comprises a centring means (17) situated on the tie bar (13) and a centring means receptacle (18) situated on the running gear; in the high position, the centring means (17) engages in the centring means receptacle (18); the centring means (16) comprises a damper element (23); and the damper element (23) is situated between the tie bar (13) and the centring means (17).