Concrete Placing Boom Tool With Buffer Vessel for Continuous 3D Output
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Solution Overview
Problem
Traditional construction methods using formwork for concrete structures are complex, expensive, and time-consuming, and the removal of hardened concrete formwork is costly and inefficient.
Innovation Solution
A truck-mounted concrete pump with a distribution mast and a tool for dispensing process materials like concrete, mortar, or adhesive, utilizing a buffer tank and screw conveyor for continuous material supply, enabling precise layer-by-layer construction without formwork or scaffolding, and allowing for quick tool changes via a quick-change system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional formwork methods are used for concrete structures, then structural support and shaping are achieved, but construction complexity and cost increase significantly
Solution Approach 1:
The invention extracts and eliminates the formwork element from the construction process entirely. By using a robotic dispensing system that deposits concrete layer-by-layer according to digital models, the patent removes the need for complex formwork structures, scaffolding, and manual assembly operations that traditionally characterized concrete construction.
Solution Approach 2:
The patent replaces the mechanical formwork system with a computer-controlled dispensing robot. Instead of using physical molds and formwork structures to shape concrete, the system uses automated robotic arms with precision dispensing nozzles that deposit material according to digital geometric data, substituting mechanical formwork with automated mechanical dispensing.
2Productivity
If formwork is used to shape concrete structures, then structural form is achieved, but time-consuming assembly and disassembly processes are required
Solution Approach 1:
The system performs preliminary digital modeling and path planning before construction begins. The concrete structure is designed in digital 3D models with precise geometric data, and the robotic system pre-calculates dispensing paths and parameters. This preliminary digital preparation eliminates the need for on-site formwork assembly and enables continuous automated construction without interruptions for formwork setup or removal.
Solution Approach 2:
The robotic dispensing system enables continuous construction operation without the interruptions inherent in formwork methods. The robot can continuously deposit concrete layer-by-layer according to the digital model, eliminating the cyclical stop-start nature of formwork assembly, concrete pouring, curing, and formwork disassembly that characterizes traditional construction.
3Ease of manufacture
If complex formwork systems are deployed, then structural shaping capability is achieved, but cost and resource consumption increase
Solution Approach 1:
The system incorporates feedback mechanisms through digital 3D modeling and automated control. The robotic dispensing system continuously references the digital model and adjusts its deposition parameters in real-time, ensuring precise material placement. This closed-loop control with digital feedback eliminates the material waste associated with formwork leakage, improper concrete placement, and incorrect dimensions that occur in traditional construction.
Solution Approach 2:
The system changes the fundamental parameters of the construction process by transitioning from batch-based formwork operations to continuous automated dispensing. The robotic system can dynamically adjust deposition rate, layer thickness, and spatial positioning parameters based on the digital model, enabling precise material usage optimization that eliminates the excess material consumption inherent in traditional formwork methods.
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
Enables precise, efficient construction of structures using additive manufacturing processes, eliminating the need for complex formwork and scaffolding, and allowing for rapid tool modifications.
Implementation Method 1
at least one screw conveyor is arranged in the cavity of the housing for the continuous supply of the process material to the dispensing element
Data Source
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AI summary
An apparatus for the output of a fluid process material, in particular a process material in the form of concrete, mortar or adhesive, has a placing boom comprising a plurality of boom arms (22, 22', 22", 22'"), connected to each other at joints (20, 20', 20", 20"'), having a process material feed line (26) consisting of a plurality of pipe segments (25), which are preferably joint-connected to each other by pipe bends (27) and rotating couplings (66), are guided along the individual boom arms (22) and are fixed thereto, and a tool (32) which is received on the placing boom (18) and has a device for output of the process material. According to the invention, the tool (32) has a buffer vessel (34), to which the process material can be applied from the process material feed line (26), and contains an output element (36) for the output of process material, fed from the buffer vessel (34), at an output location.