Double-Elastic Ship Power Unit Mounting System

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Solution Overview

Problem

Existing storage platforms for vibration generating units on naval ships and underwater vehicles require significant space and lack adaptability for individual units, leading to inefficient use of space and inadequate noise reduction.

Innovation Solution

A storage platform system utilizing a base frame with resilient elements and bearing elements that form a double-elastic mounting system, minimizing vertical height and allowing individual adjustment, while maintaining damping effects and optimizing space utilization through parallel surfaces and reinforced girder construction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single-elastic mounting system is used, then the structure is simple, but the vertical height requirement is large and adaptability to different units is poor

Engineering Contradiction:
Improvemounting system complexityVSAvoidvertical height requirement
Core Design Contradiction:
Device complexityVSLength of stationary object

Solution Approach 1:

The mounting system is segmented into two independent elastic mounting stages: a upper elastic mounting element connecting the device platform to the base frame, and a lower elastic mounting element connecting the base frame to the installation surface. This segmentation allows each stage to be optimized independently, reducing the total vertical height while maintaining adaptability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent transitions from a single-elastic-element design to a dual-elastic-element design arranged in series vertically. This dimensional arrangement allows the system to achieve the same vibration isolation performance with reduced footprint by distributing the elastic deformation across two stages rather than requiring one large elastic element.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Device complexity

If a single-elastic mounting system is used, then the structure is simple, but adaptability to different vibration-generating units is insufficient

Engineering Contradiction:
Improvemounting system complexityVSAvoidadaptability to different units
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The mounting system incorporates adjustable components including variable-stiffness elastic elements and reconfigurable bearing elements that can be positioned at different locations on the base frame. This dynamic adjustability allows the system to be adapted to different vibration-generating units with varying weight, vibration characteristics, and mounting requirements without requiring a complete redesign.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If a dual-elastic mounting system is implemented, then adaptability to different units is improved, but the vertical height requirement increases

Engineering Contradiction:
Improveadaptability to different unitsVSAvoidvertical height requirement
Core Design Contradiction:
Adaptability or versatilityVSLength of stationary object

Solution Approach 1:

The device platform is nested within the base frame structure, with the upper elastic mounting element connecting the platform to the frame interior. The lower elastic mounting element connects the base frame to the installation surface. This nested arrangement allows the dual-elastic system to be compacted vertically, reducing the overall height requirement while maintaining the adaptability benefits of the two-stage mounting system.

Inventive Principle:
Principle #7Nested doll (Nesting)

4Adaptability or versatility

If more bearing elements are added for individual coordination, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improveindividual coordination capabilityVSAvoidmounting system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The base frame is designed with multiple standardized bearing element positions and standardized mounting fields that can accommodate different device platforms. The bearing elements themselves are standardized components that can be used in various configurations. This universal design allows a single base frame structure to adapt to multiple different vibration-generating units without requiring custom-designed mounting systems for each unit, thereby improving adaptability while controlling complexity.

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

The solution minimizes space requirements, allows for efficient adaptation to different units, and effectively reduces structure-borne noise by creating a high-rigidity system with reduced vibration entry into the installation surface, enabling easier movement and increased storage capacity.

Implementation Method 1

the base frame is arranged via spring-elastic elements and a support surface

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

effectively reduces structure-borne noise by creating a high-rigidity system with reduced vibration entry into the installation surface

Methodology Applied
Scientific EffectVibration damping: Damping

Data Source

PatentEP1847456B1Support platform for power units for ships which create vibrations
Publication Date: 2015.08.12 THYSSENKRUPP MARINE SYST GMBH
  • EP1847456B1 patent drawingFigure 1
  • EP1847456B1 patent drawingFigure 2
  • EP1847456B1 patent drawingFigure 3

AI summary

An equipment platform (11) holds vibratory equipment. A base frame (12) holds the equipment platform. First springy flexible elements (13) fit between the equipment platform and the base frame. Second springy flexible elements (14) fit between the base frame and a mountable surface (15).