Radius Scraper with Braided Wire for Chemical-Free Concrete Removal

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Solution Overview

Problem

The concrete industry faces challenges with the use of harmful chemicals for cleaning concrete mixer truck chutes, which poses health and environmental risks, requires labor-intensive cleaning, and necessitates restricted maintenance procedures to avoid fines and safety hazards.

Innovation Solution

A radius scraper with a steel braided wire and hemispherical sheet plate assembly, allowing for efficient scraping of concrete without chemicals, reducing labor needs, and enabling safe maintenance from a distance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If chemicals are used for cleaning concrete mixer truck chutes, then cleaning effectiveness is improved, but health and environmental risks increase

Engineering Contradiction:

Improvecleaning effectivenessVSAvoidhealth and environmental risks

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces chemical cleaning methods with a mechanical scraping system consisting of a rotating brush assembly and scraper blades that physically remove concrete residue from mixer truck chutes, eliminating the need for harmful chemicals while maintaining cleaning effectiveness

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces a water delivery system as an intermediary that rinses the mechanical scraper to flush concrete residue into a collection container, enabling the mechanical system to achieve complete cleaning without chemicals

Inventive Principle:

Principle #24Intermediary (Mediator)

2Productivity

If traditional shovels are used for concrete removal, then concrete can be removed, but labor intensity and time consumption increase

Engineering Contradiction:

Improveconcrete removal efficiencyVSAvoidlabor time

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The patent replaces manual shovel operations with an automated mechanical scraping system featuring a motor-driven rotating brush and scraper blades that automatically remove concrete residue, dramatically reducing labor time and increasing productivity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent employs a dynamically rotating brush assembly that can adjust its rotation speed and direction to optimize concrete removal from different surfaces of the mixer truck chute, enhancing efficiency compared to static manual tools

Inventive Principle:

Principle #15Dynamics

3Productivity

If workers access close to the truck for cleaning, then cleaning effectiveness is improved, but worker safety risks increase

Engineering Contradiction:

Improvecleaning effectivenessVSAvoidworker safety

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent introduces a remote-operated water delivery system and concrete collection container as intermediaries that allow workers to perform cleaning operations from a safe distance, eliminating the need for workers to climb or access close to the moving mixer truck

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces manual close-proximity cleaning operations with a mechanically automated scraping and rinsing system that can be operated remotely, thereby improving worker safety while maintaining cleaning effectiveness

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 radius scraper effectively replaces traditional shovels for concrete removal, decreases chemical usage, enhances worker safety, and reduces environmental contamination, thereby improving productivity and compliance with safety regulations.

Implementation Method 1

scraping concrete

Methodology Applied

Scientific EffectFriction: Friction

Implementation Method 2

scraping concrete

Methodology Applied

Scientific EffectAbrasion: Abrasion

Data Source

PatentUS11794225B2Radius scraper

Publication Date: 2023.10.24 HASSAN MOHAMED ALAMIN MUSTAFA

AI summary

A radius scraper includes a semicircular-shaped scraper having a curved front face, the curved front face having vertical grooves formed in a bottom edge thereof. Wires are respectively threaded into each of the vertical grooves, wherein the wires are braided steel wire.