Scarifying Machine Through-Opening Debris Diversion
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Solution Overview
Problem
Existing scarifying methods in the construction and infrastructure sector suffer from poor precision, high debris and dust interference leading to machine jams, long implementation times, and increased operational costs due to manual operation and debris clearance needs.
Innovation Solution
A scarifying machine design with a movable arm, debris diversion through a vertical opening, remote piloting, and debris conveying means, eliminating the need for a driver's cab to enhance precision and reduce downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional earthmoving machines with manual operation are used for scarifying, then the machine can handle various terrain conditions, but the operation precision is poor and implementation time is excessively long
Solution Approach 1:
The patent replaces traditional manual mechanical operation with an automated control system that uses sensors to detect the position and profile of the support leg, automatically calculates the required scarifying depth, and controls the milling cutter operation. This substitution of manual mechanical control with automated sensor-based control system achieves both high precision and continuous operation without manual intervention delays
Solution Approach 2:
The system performs preliminary detection of the support leg position and ground profile using sensors before the scarifying operation begins. The control system pre-calculates the optimal milling depth and parameters based on this detected information, allowing the machine to immediately begin precise operation without manual measurement or setup time
2Productivity
If the machine operates continuously to maintain productivity, then work efficiency increases, but debris and dust cause the articulated arm to jam and stop
Solution Approach 1:
The patent extracts the harmful debris and dust from the critical operational area by providing a dedicated debris discharge opening at the distal end of the articulated arm. This opening allows debris to be extracted and ejected away from the articulation joints and mechanical components, preventing accumulation and jamming while maintaining continuous operation
Solution Approach 2:
The patent introduces an intermediary airflow system that generates a protective air curtain or airflow around the articulated arm and milling cutter area. This intermediary air flow prevents debris and dust from settling on and jamming the moving parts, allowing continuous operation without compromising reliability
3Productivity
If highpressure water jets are used for scarifying, then material removal is effective, but the method is overly invasive and cannot be calibrated
Solution Approach 1:
The patent employs a milling cutter with adjustable cutting parameters including variable depth control, rotational speed adjustment, and feed rate modification. The system can calibrate the milling depth based on sensor-detected support leg position and ground profile, providing precise material removal without the uncontrolled invasiveness of high-pressure water jets
Solution Approach 2:
The patent replaces the high-pressure water jet mechanical system with a rotary milling cutter system that removes material through controlled mechanical cutting. This substitution provides inherent precision through the cutter's defined geometry and controllable engagement depth, eliminating the uncontrolled erosive action of water jets while maintaining effective material removal
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 machine achieves precise and continuous operation with reduced debris interference, minimizing jams and operational delays, thus reducing costs and improving work efficiency.
Implementation Method 1
the machine, preferably the carriage (15), comprises conveying means (58) configured to deflect debris, coming from said opening (50) in the working phase, with respect to said rotatable coupling means (12), and to convey it into the space between the advancement means (16)
Data Source
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AI summary
The present invention relates to a scarifying machine comprising an undercarriage (5), a carriage (10) and coupling means (12) rotatable about a vertical axis (X), where : - the undercarriage (5) comprises a pair of ground advancement means positioned to delimit a centre distance space 16 below the carriage (10); - the carriage comprises a horizontal extension plane and supports an articulated arm (15) at the distal end of which is a scarifying tool (20); characterised in that: - the arm includes a proximal end face (22) which changes inclination with respect to said horizontal extension plane in such a way that, said face is at least partially facing the upper side of the carriage (10); wherein the carriage (10) comprises, in the overhang area (22), at least one through opening (50) connecting the area above the carriage (10) with said centre distance space (16) below it.