Slipform Paver Apron Monitoring for Even Concrete Distribution
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Solution Overview
Problem
Existing slipform pavers face challenges in evenly distributing concrete across the working width due to poor visibility of material accumulation areas for operators, leading to inefficiencies in material distribution and potential shortages during paving processes.
Innovation Solution
The implementation of an apron monitoring device that generates elevation profile data to process and display the material distribution, allowing for real-time monitoring and control of material spreading across the working width, ensuring even distribution and preventing shortages through a data processing system and display/signaling device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If material is deposited in front of the paver using a digger or lorry, then sufficient material volume is available, but individual accumulations form and cannot be evenly distributed
Solution Approach 1:
The patent implements a feedback mechanism where sensors detect the actual material distribution in the apron, this information is processed by a control system, and the spreading device is automatically adjusted to correct deviations from the desired distribution profile, enabling continuous optimization of material evenness
Solution Approach 2:
The patent replaces manual mechanical spreading operations with an automated control system that uses sensors to detect material distribution and automatically adjusts the spreading device, substituting human operator intervention with an automated feedback-controlled mechanical system
2Manufacturing precision
If the spreading plough spreads material evenly, then material distribution improves, but the region is not visible to the machine operator
Solution Approach 1:
The patent replaces the need for visual monitoring by operators with an automated sensor-based detection system that measures material distribution and feeds this information to a control system, eliminating the visibility constraint while maintaining or improving spreading precision
3Manufacturing precision
If real-time monitoring of material distribution is implemented, then material distribution evenness improves, but device complexity increases
Solution Approach 1:
The patent introduces an intermediary control system that acts as a mediator between the sensors detecting material distribution and the spreading device, processing the sensor signals and generating appropriate control commands to adjust the spreading mechanism, thereby managing the complexity through modular system architecture
Data Source
AI summary
A paver, in particular a slipform paver, has a machine frame supported by front and rear undercarriages and a paving device for the paving of material. The paver is provided with an apron monitoring device for generating elevation profile data or elevation profile signals describing the elevation profile of the material deposited in the apron of the paving device in a direction transverse to the working direction. A data or signal processing device receives the elevation profile data or signals. The apron monitoring device provides the data needed to allow the material to be spread more evenly across the working width of the paver during the feeding operation by means of a spreading device for spreading the material to be paved in a direction transverse to the working direction and/or to allow the spreading device to be controlled for improved spreading of the material after the paver has been fed.