Self-climbing Screed Boom for Multi-floor Concrete Leveling
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Solution Overview
Problem
The difficulty in positioning and leveling screeds on higher floors of multi-level buildings during concrete construction, as existing screed systems require manual lifting by cranes and are cumbersome, especially as the building height increases.
Innovation Solution
A self-climbing screed system integrated with a self-climbing boom system, featuring a mast with a rail and turntable that allows the screed to be mounted and dismounted from the mast, enabling it to elevate and level concrete on multiple floors independently of the boom movement, using articulated and telescopic boom sections and a counterweight for stability and balance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional screed system is used that requires manual lifting by cranes, then the screed can be positioned on floors, but the operation becomes increasingly difficult and time-consuming as building height increases
Solution Approach 1:
The screed system is merged with the self-climbing boom system, allowing the screed to be mounted on the turntable of the boom system. This integration enables the screed to be elevated to different floors automatically as the boom system climbs, eliminating the need for separate crane operations and significantly reducing positioning time and effort on higher floors.
Solution Approach 2:
The screed system utilizes the self-climbing capability of the boom system to elevate itself to different floors. By mounting the screed on the turntable that is part of the self-climbing boom system, the screed benefits from the automated elevation process, requiring minimal manual intervention for positioning on multiple floors.
2Productivity
If the screed is mounted on a self-climbing boom system, then the screed can be elevated automatically, but the system becomes more complex
Solution Approach 1:
The self-climbing boom system is designed to perform multiple functions: it can deliver concrete to upper floors using its boom and hose, and it can also elevate the screed system mounted on its turntable for concrete leveling operations. This multi-functionality reduces the need for separate equipment and simplifies the overall system while improving productivity.
Solution Approach 2:
The turntable mounting system allows the screed to be dynamically positioned and oriented on the boom system. The turntable can rotate to orient the screed in different directions, and the screed can be easily mounted or dismounted from the turntable, providing operational flexibility without requiring a permanently fixed complex mounting structure.
3Adaptability or versatility
If the screed boom needs to reach all areas of a floor, then the screed boom must be able to move around the floor, but positioning becomes more difficult on higher floors
Solution Approach 1:
The turntable mounting system provides dynamic positioning capability, allowing the screed boom to be oriented in different directions as needed. The turntable can rotate to position the screed boom over different areas of the floor, and the articulated sections of the screed boom can extend and articulate to reach difficult-to-access areas, all while mounted on the elevated position provided by the self-climbing boom system.
Data Source
AI summary
A self-climbing screed system for use with a self-climbing boom system that includes a mast that has a tower and a rail that is connected to an outer surface of the tower, extends along a length of the tower, and has spaced holes, includes a screed. The screed includes a turntable configured to be positioned around the mast, the turntable being mountable to and dismountable from the mast, a screed boom having a proximal end and a distal end, the proximal end being connected to the turntable, and a screed head connected to the distal end of the screed boom.