Segmented Skid Segment for Road Milling Machine Edge Protection
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Solution Overview
Problem
Conventional skid segments for road milling machines have a limited service life due to wear, leading to frequent replacements and high material usage, which complicates maintenance.
Innovation Solution
A skid segment design with multiple operating positions allows for sequential wear of different skid sections, extending the service life and reducing material usage by alternating the contact points with the road surface, thereby simplifying maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If conventional skid segments with single skid section are used, then the structure is simple, but the service life is limited due to wear requiring frequent complete replacement
Solution Approach 1:
The skid segment is divided into a base part and multiple interchangeable skid sections (first skid section, second skid section) that can be attached and detached. This segmentation allows individual wear-prone sections to be replaced independently, extending the overall service life of the skid segment while maintaining manageable structural complexity through modular design
Solution Approach 2:
The patent implements a wear section replacement mechanism where only the worn skid section is discarded and replaced, while the base part and other unworn sections are recovered and reused. This reduces material consumption and extends service life by preventing complete replacement of the entire skid segment
2Reliability
If skid segments are frequently replaced due to wear, then reliability is maintained, but material usage increases and maintenance becomes complicated
Solution Approach 1:
By segmenting the skid segment into reusable base part and replaceable skid sections, the patent enables selective replacement of only the worn sections. This maintains reliability by ensuring functional parts are always in use while reducing material loss through continued utilization of unworn components
Solution Approach 2:
The patent recovers the base part and unworn skid sections after wear occurs, discarding only the worn section. This approach maintains operational reliability while significantly reducing material consumption compared to complete replacement, as the majority of the skid segment structure is recovered and reused
3Reliability
If complete replacement of skid segments is performed, then reliability is ensured, but downtime increases and maintenance costs rise
Solution Approach 1:
The modular segmented design allows maintenance personnel to replace only the worn skid section rather than the entire assembly. This segmentation enables faster maintenance operations, reducing downtime while ensuring reliability is maintained through replacement of the functional wear component
Solution Approach 2:
By recovering and reusing the base part and unworn sections, the patent reduces the scope of replacement operations. This decreases maintenance downtime significantly compared to complete replacement, while reliability is maintained through timely replacement of the worn section
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 significantly extends the service life of skid segments, reducing material consumption and simplifying maintenance by allowing only the worn sections to be replaced, rather than the entire segment, thus minimizing downtime and costs.
Implementation Method 1
the first skid section comes into direct contact with the road or ground surface and undergoes the abrasion which occurs during the operation of the road milling or ground working machine. When the first skid section has reached its wear limit, the skid segment is moved from the first to the second operating position, in which the second skid segment comes into direct contact with the road or ground surface
Data Source
AI summary
The invention relates to a skid segment (10) for an edge protection (5) on a road milling machine or similar ground processing machine having a base part (11) and at least one first skid section (12) mounted thereupon, wherein the first skid section (12), in a first operating position of the base part (11), can be directed in direction (A) onto the surface of the road or ground. At least one second skid section (13) is mounted on the base part (11), which, in a second operating position of the base part (11), can be directed in direction (A) onto the surface of the road or ground. The invention further relates to an edge protection for a road milling machine or similar ground processing machine having skid segments of this kind, wherein the edge protection has an edge which is designed to receive at least one skid segment.