Detachable Harbor Edge Protector With Drainage and Impact Buffering

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Solution Overview

Problem

Conventional harbor edge protectors face issues with heat dissipation and high maintenance costs due to filled main bodies, and are prone to damage from external impacts and short circuits from water ingress.

Innovation Solution

A detachable harbor edge protector design featuring a detachable bottom plate and upper cover, with drainage holes for water discharge, fixing parts for secure installation, and a buffer to mitigate external impacts, along with integrated lighting and communication systems for ease of maintenance and safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If the main body is filled with filler to provide structural integrity, then the protector gains strength, but heat dissipation becomes poor and maintenance cost increases

Engineering Contradiction:
Improvestructural integrityVSAvoidheat dissipation
Core Design Contradiction:
StrengthVSTemperature

Solution Approach 1:

The main body is divided into multiple detachable sections (first main body and second main body) that can be separated. This segmentation allows the filler to be removed from individual sections for maintenance or replacement without affecting the entire structure, reducing maintenance costs while maintaining structural integrity through the modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The filler is made extractable from the main body through detachable connections. This allows the filler to be removed when heat dissipation becomes problematic or when maintenance is needed, enabling thermal management adjustments without compromising the overall structural framework.

Inventive Principle:
Principle #2Taking out (Extraction)

2Strength

If the main body is made as a single integrated unit, then structural strength is improved, but maintenance becomes difficult and costly

Engineering Contradiction:
Improvestructural strengthVSAvoidmaintenance difficulty
Core Design Contradiction:
StrengthVSEase of repair

Solution Approach 1:

The protector is divided into multiple detachable main body sections connected by coupling mechanisms. When damage occurs (e.g., from ship ropes), only the affected section needs to be replaced rather than the entire structure, significantly reducing maintenance costs and effort while maintaining overall structural strength through the modular assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The detachable design enables easy replacement of damaged sections. The coupling mechanism allows quick detachment of affected main body sections, which can then be replaced with new ones while recovering and reusing undamaged sections, reducing waste and maintenance costs.

Inventive Principle:
Principle #34Discarding and recovering

3Reliability

If drainage holes are added to discharge rainwater, then short circuit prevention is improved, but structural integrity may be compromised

Engineering Contradiction:
Improveshort circuit preventionVSAvoidstructural integrity
Core Design Contradiction:
ReliabilityVSStrength

Solution Approach 1:

Drainage holes are added only in specific locations (bottom surface and side surfaces of the bottom plate) rather than throughout the entire structure. This localized modification provides effective water drainage to prevent short circuits in electrical components while minimizing impact on the overall structural integrity of the protector.

Inventive Principle:
Principle #3Local quality

4Object-affected harmful factors

If a buffer is added to support the upper cover, then damage from external impact is reduced, but device complexity increases

Engineering Contradiction:
Improveexternal impact damageVSAvoidstructure complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

A buffer is pre-installed between the upper cover and bottom plate to provide cushioning against external impacts (such as ship cables or ropes). This beforehand cushioning protects the upper cover and internal components from damage without requiring complex active protection systems, maintaining relatively simple device architecture.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS12546077B2Detachable edge protector for harbor
Publication Date: 2026.02.10 ULSAN PORT AUTHORITY
  • US12546077B2 patent drawing
  • US12546077B2 patent drawing
  • US12546077B2 patent drawing

AI summary

The present invention relates to a detachable harbor edge protector, and a detachable harbor edge protector according to an embodiment of the present invention includes a bottom plate of which a cross section is formed in a curved shape and which is fixed to a stepped ground surface, one or more fixing parts which fix the bottom plate to the ground surface, an upper cover detachably coupled to an upper portion of the bottom plate, and a side cover coupled to a side surface of the bottom plate. Accordingly, since the bottom plate and the upper cover are detachably formed, maintenance can be easily performed when damage occurs.