Concrete-Wall Conveyor Support With Embedded Shaft Inserts

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Solution Overview

Problem

The construction of conveyor installations for animal excrement evacuation is complex and expensive due to the need for trench excavation, masonry, and assembly of a chassis structure, particularly in confined spaces.

Innovation Solution

A conveyor installation with concrete side walls and embedded or cavity-based fixing inserts for guide elements, using prefabricated modules and on-site concrete pouring, facilitated by plastic envelopes as formwork, eliminating the need for a metal frame structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a metal frame structure with chassis is used to support guide elements, then the conveyor installation is structurally stable, but the construction complexity and cost increase significantly

Engineering Contradiction:
Improvestructural stabilityVSAvoidconstruction complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the support function into the concrete side walls themselves by embedding fixing inserts directly during concrete pouring. This eliminates the separate metal frame structure, combining the wall and support functions into a single integrated system, thereby reducing construction complexity while maintaining structural stability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent extracts and removes the metal frame structure from the conveyor installation. By taking out this complex intermediate component and replacing it with direct embedding of guide elements into concrete walls with fixing inserts, the solution simplifies the overall structure while preserving the necessary support and stability functions.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If a metal frame structure with chassis is used to support guide elements, then the guide elements are properly supported, but the installation cost increases

Engineering Contradiction:
Improveguide element supportVSAvoidinstallation cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines the wall construction and guide element support functions into a single process. Fixing inserts are embedded directly into the concrete side walls during pouring, eliminating the need for separate metal frame fabrication and assembly, thereby reducing material costs and installation expenses while ensuring proper guide element support.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent replaces expensive, complex metal frame structures with simpler, more economical concrete walls and fixing inserts. This substitution uses cheaper materials and construction methods (concrete pouring with embedded inserts) to achieve the same support function, significantly reducing installation cost.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Device complexity

If concrete side walls with embedded fixing inserts are used, then the installation design is simplified, but the manufacturing precision requirements increase

Engineering Contradiction:
Improveinstallation design simplicityVSAvoidinsert embedding precision
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The patent applies preliminary action by embedding fixing inserts into the concrete side walls during the concrete pouring process itself, before the actual conveyor assembly. This advance placement ensures precise positioning and proper integration of support elements into the wall structure, meeting manufacturing precision requirements while simplifying overall installation design.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3694309B1Conveyor system suitable for transporting materials
Publication Date: 2025.09.17 JAROUSSEAU YVES
  • EP3694309B1 patent drawingFigure 1~2
  • EP3694309B1 patent drawingFigure 3~4
  • EP3694309B1 patent drawingFigure 5~6

AI summary

The invention relates to a system (1) suitable for transporting materials and comprising: side walls made of concrete (3, 4) and, optionally, a bottom wall joining the side walls, forming a conveying enclosure (Ec) therebetween, and a belt conveyor (2), provided in said conveying enclosure, having a flexible conveyor belt (5) and one or more guide elements (6a, 6b, 6c) suitable for guiding and/or supporting the conveyor belt (5), the guide elements comprising support shafts (60). According to the invention, the system comprises, as a first option, attachment inserts (7) embedded in the concrete of the side walls (3, 4), or, as a second option, attachment cavities hollowed out in the mass of the side walls (3, 4), the longitudinal ends (E1) of the shafts (60) being received in the inserts (7) of the first option or in the attachment cavities of the second option.