Modular Motor Unit for Conveyor Belt Systems

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Solution Overview

Problem

Conveyor systems with motor-driven belt conveyor units face high maintenance costs due to complex and time-consuming replacement processes of the motor unit and belt components.

Innovation Solution

A modular design where the motor unit is detachably connected to the conveyor unit via a cover housing, allowing easy separation and replacement, with a plug-connected and locked mechanism for quick assembly and maintenance, and a cover housing that facilitates belt accessibility and heat dissipation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the motor unit is permanently integrated to the conveyor unit, then the structural stability is improved, but the maintenance complexity and time increase

Engineering Contradiction:
Improvestructural stabilityVSAvoidmaintenance complexity
Core Design Contradiction:
Stability of the object's compositionVSEase of repair

Solution Approach 1:

The system is divided into separable modules: the motor unit (with motor and cover housing) and the conveyor unit (with belt pulley and fastening plate). The motor unit can be detached from the conveyor unit via the fastening plate connection, allowing independent maintenance of each module without disassembling the entire system.

Inventive Principle:
Principle #1Segmentation

2Stability of the object's composition

If the motor unit is permanently integrated to the conveyor unit, then the structural stability is improved, but the replacement time increases

Engineering Contradiction:
Improvestructural stabilityVSAvoidreplacement time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The motor unit is designed as a separate module that can be quickly detached from the conveyor unit using the fastening plate with recesses and protrusions. This modular design allows the motor unit to be replaced in minutes rather than hours, significantly reducing downtime while maintaining structural integrity during operation.

Inventive Principle:
Principle #1Segmentation

3Ease of manufacture

If the cover housing is made as a single piece, then the manufacturing simplicity is improved, but the belt accessibility decreases

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidbelt accessibility
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

The cover housing is divided into multiple separable parts that can be detached from each other. This segmentation allows the belt to be accessed by removing the cover housing sections, while the individual parts remain simple enough to manufacture. The segmented design provides both manufacturing feasibility and operational accessibility.

Inventive Principle:
Principle #1Segmentation

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

Significantly reduces maintenance costs by enabling simple and rapid replacement of the motor unit and belt, improving accessibility and heat dissipation, thus enhancing operational efficiency and reducing downtime.

Implementation Method 1

the heat from the motor is at least partially dissipated to the end shield, which is connected to the cover housing. The cover housing thus serves to spread the heat and thus improves the heat dissipation of the engine.

Methodology Applied
Scientific EffectHeat dissipation: Thermal Radiation

Data Source

PatentEP2873140B1System with conveying unit and motor unit
Publication Date: 2018.08.08 SEW EURODRIVE GMBH & CO KG
  • EP2873140B1 patent drawingFigure 1
  • EP2873140B1 patent drawingFigure 2
  • EP2873140B1 patent drawingFigure 3

AI summary

System with conveying unit and motor unit, the conveying unit having a pulley which is surrounded, at least partially, in a radial and/or a housing-forming manner, particularly in a protective manner, by a cover housing, wherein the motor unit has a cover housing and a motor, the housing of said motor being connected, particularly firmly connected, to the cover housing, wherein the motor unit is detachably connected to the conveying unit.