Concrete Pump Delivery Rate Control for Formwork Pressure Limits

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Manual control of concrete pump delivery rate is prone to errors, leading to potential formwork damage, safety risks, and prolonged construction times due to unpredictable quality fluctuations from material and environmental factors like temperature and concrete formulation.

Innovation Solution

A method and device that determine the permissible delivery rate of a concrete pump based on material and environmental parameters, using sensors to measure static filling compound pressure and calculate the optimal delivery rate for a closed-loop control system, ensuring safe and efficient filling of formwork arrangements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual control of concrete pump delivery rate is used, then the operator can adjust delivery rate based on experience, but the quality fluctuates unpredictably due to material and environmental factors

Engineering Contradiction:

Improvemanual controlVSAvoidquality consistency

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The system continuously measures static filling compound pressure and feeds this information back to the control unit, which automatically adjusts the delivery rate to maintain consistent quality despite material and environmental variations

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent replaces manual mechanical control with an automated electronic control system that uses pressure sensors and computer algorithms to determine and adjust delivery rate, eliminating the reliance on operator experience

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If high delivery rate is used to reduce construction time, then productivity increases, but formwork arrangement may be overloaded causing damage or burst

Engineering Contradiction:

Improvefilling speedVSAvoidformwork overload

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The control unit continuously monitors static filling compound pressure and uses this feedback to automatically adjust the delivery rate, ensuring the formwork arrangement is never overloaded while maintaining optimal filling speed

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system dynamically changes the delivery rate parameter based on real-time pressure measurements and calculated permissible rates, optimizing the balance between productivity and safety

Inventive Principle:

Principle #35Parameter changes

3Reliability

If low delivery rate is used to ensure safety, then formwork overload is avoided, but construction time is significantly prolonged

Engineering Contradiction:

ImprovesafetyVSAvoidconstruction time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system optimizes the delivery rate parameter by calculating the maximum permissible rate based on real-time pressure measurements, ensuring safety is maintained while minimizing construction time through efficient parameter selection

Inventive Principle:

Principle #35Parameter changes

4Manufacturing precision

If automated control system is implemented, then delivery rate precision improves, but device complexity increases

Engineering Contradiction:

Improvedelivery rate control precisionVSAvoidcontrol system complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The control unit serves multiple functions: it receives pressure sensor signals, determines permissible delivery rates based on material parameters, calculates optimal delivery rates, and controls the concrete pump, thereby improving precision without proportionally increasing complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

This solution ensures an optimal filling speed, reducing the risk of formwork damage, enhancing safety, and minimizing construction time by automatically adjusting the delivery rate according to material and environmental conditions, thereby improving the uniformity and efficiency of the concreting process.

Implementation Method 1

measuring the static filling compound pressure acting on the formwork assembly during filling

Methodology Applied

Scientific EffectPressure measurement:

Data Source

PatentUS12085070B2Computer-aided method and device for optimized control of the delivery rate of a concrete pump or the like

Publication Date: 2024.09.10 PERI GMBH

AI summary

A method and a device for controlling the delivery rate of a concrete pump for filling a formwork arrangement with a pumpable filling compound as a function of curing-relevant material and environmental parameters, after which the installed filling compound sets within the formwork arrangement, comprising the following steps: determining a permissible climbing speed for filling the formwork arrangement with the filling compound on the basis of the material and ambient parameters, measuring the static filling compound pressure acting on the formwork arrangement during filling, and calculating the permissible delivery rate of the concrete pump as a function of the determined permissible rate of ascent and the measured static filling compound pressure at the formwork arrangement.