Traction Coupling Centralized Lubrication for Wear Reduction
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Solution Overview
Problem
Existing traction couplings experience increased wear and require frequent manual maintenance due to inadequate lubrication, leading to downtime and additional costs in rail traffic.
Innovation Solution
A centralized lubrication system with a common lubricant source and dedicated lines for lubricating joints and movement points in the traction coupling, including control devices for automated lubrication based on demand, pressure sensors, and warning systems for refills.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual lubrication devices are used, then lubrication can be applied to joints and movement points, but frequent manual maintenance is required and downtime occurs
Solution Approach 1:
The lubrication system is designed to automatically service itself through a centralized lubricant source that autonomously distributes lubricant to multiple joints and movement points via connected lubricant lines, eliminating the need for frequent manual intervention and reducing maintenance downtime
Solution Approach 2:
A single centralized lubricant source serves multiple lubrication points simultaneously through a network of lubricant lines, allowing one component to perform multiple lubrication functions that would otherwise require separate manual operations
2Reliability
If conventional manual lubrication is used, then lubrication can be applied to accessible points, but inadequate lubrication leads to increased wear
Solution Approach 1:
Lubricant lines act as intermediaries that transport lubricant from the centralized source to various joints and movement points, ensuring adequate lubrication reaches all necessary locations without requiring manual access to each point
Solution Approach 2:
The lubrication system is segmented into a centralized source and multiple distributed lubrication points connected by lines, allowing comprehensive coverage of all joints and movement points with adequate lubricant delivery to each location
3Reliability
If multiple separate lubricant sources are used for different components, then each component can be lubricated, but device complexity increases
Solution Approach 1:
Multiple separate lubrication functions are merged into a single centralized lubricant source that distributes lubricant to all joints and movement points through connected lines, reducing system complexity while maintaining comprehensive lubrication coverage
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
Reduces wear, extends service life, minimizes maintenance downtime, and optimizes lubricant use, ensuring reliable lubrication without manual intervention.
Implementation Method 1
at least one lubricant conveying lubricant line connected to the lubricant source for lubrication of joints and/or movement points
Implementation Method 2
for lubrication of joints and/or movement points in the traction coupling
Data Source
AI summary
A traction coupling including a coupling rod, a bearing block, and a coupling head supported by the coupling rod. The coupling rod extends in an axial direction from an attachment end to the coupling head, in a region of the attachment end, the coupling head is mounted in a pivotable manner on the bearing block in order to be attached to a rail vehicle. The traction coupling also including at least one lubricating device having at least one lubricant source and at least one lubricant line connected to the lubricant source for lubrication of joints and/or movement points in the traction coupling. The joints and/or movement points of various components of the following group of components of the traction coupling are lubricated with the lubricating device the coupling rod, the coupling head, and the bearing block.