Drainage Body Surface Unit Corrugated Columns for Stacking Stability

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Solution Overview

Problem

Existing trenching systems face instability and stress issues when drainage body surface units are stacked, leading to potential structural failure and increased maintenance costs.

Innovation Solution

The drainage body surface unit features a corrugated column with raised ribs and optional gussets to enhance structural strength, reducing stress concentration and improving stability during stacking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If drainage body surface units are stacked one on top of another to achieve sufficient drainage depth, then the drainage depth is improved, but the stability and structural integrity deteriorate due to increased stress and potential structural failure

Engineering Contradiction:
Improvedrainage depthVSAvoidsystem stability
Core Design Contradiction:
Length of moving objectVSStability of the object's composition

Solution Approach 1:

The system is divided into multiple modular drainage body surface units that can be stacked vertically. Each unit contains internal columns that segment the structure into stable compartments, allowing the system to achieve greater drainage depth through stacking while maintaining stability through the segmented modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The columns within each drainage unit are designed with composite structural features combining hollow cylindrical shapes with internal rib reinforcements. This composite structure provides both the necessary void space for drainage functionality and the structural strength needed to maintain stability when units are stacked together under load.

Inventive Principle:
Principle #40Composite materials

2Length of moving object

If the height of drainage body surface units is increased to achieve sufficient drainage depth, then the drainage depth is improved, but the stress on the structure increases leading to potential structural failure

Engineering Contradiction:
Improveunit heightVSAvoidstructural stress
Core Design Contradiction:
Length of moving objectVSStress or pressure

Solution Approach 1:

The columns are designed with curved corrugated surfaces rather than straight cylindrical shapes. This curvature provides structural reinforcement similar to how corrugated cardboard gains strength, allowing the columns to better withstand compressive stresses while maintaining the necessary height for adequate drainage depth.

Inventive Principle:
Principle #14Spheroidality (Curvature)

Solution Approach 2:

Internal ribs are added to the column structure, transforming it from a simple two-dimensional cylindrical surface into a three-dimensional reinforced structure. These ribs extend in the radial dimension, creating a lattice-like reinforcement pattern that distributes and reduces structural stress throughout the column walls.

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

3Stability of the object's composition

If columns are added to connect base plates to maintain stability, then the stability is improved, but the device complexity increases

Engineering Contradiction:
Improvesystem stabilityVSAvoidstructural complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The columns serve multiple functions simultaneously: they provide structural support to maintain stability when units are stacked, they create the necessary void spaces for water drainage and storage, and they offer attachment points for base plates. This multi-functionality reduces overall system complexity compared to having separate components for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The structural support function and the drainage function are merged into the same columnar elements. Rather than having separate support beams and separate drainage pipes, the hollow columns with internal ribs combine both functions, simplifying the overall device structure while maintaining both stability and drainage capability.

Inventive Principle:
Principle #5Merging (Combining)

4Reliability

If the structural strength is enhanced to reduce stress during stacking, then the reliability is improved, but the manufacturing complexity increases

Engineering Contradiction:
Improvestructural reliabilityVSAvoidmanufacturing complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The column structure uses variations in geometric parameters rather than material changes to achieve increased strength. The corrugation depth, rib spacing, and wall thickness are optimized parameters that can be adjusted during molding to achieve the desired strength-to-complexity ratio, allowing reliable structures to be manufactured using standard processes.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The columns are designed as thin-walled hollow structures with corrugated surfaces, similar to how cardboard boxes achieve strength through corrugation rather than thick walls. This approach provides sufficient structural reliability for stacking applications while maintaining ease of manufacture through lightweight, thin-walled plastic molding processes.

Inventive Principle:
Principle #30Flexible shells and thin films

Data Source

PatentUS20250230646A1Drainage body surface unit
Publication Date: 2025.07.17 ACO CO LTD
  • US20250230646A1 patent drawing
  • US20250230646A1 patent drawing
  • US20250230646A1 patent drawing

AI summary

A drainage body surface unit for use in a trenching system for accumulating precipitation water. The drainage body surface unit includes a base plate having a conical column extending perpendicular to the base plate. The column has a first opening in the base plate and corrugated walls extending to a second opening positioned opposite the first opening in the base plate. The column has raised ribs on the inner surface of the column for improving structural strength.