Assistive Support Mechanism for Space Truss Removal
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Solution Overview
Problem
The removal of large or super-large span truss structures is challenging due to high construction difficulty and safety concerns, as existing methods require extensive scaffolding and complex force calculations.
Innovation Solution
An assistive support mechanism is arranged on a vertical support rod of the truss structure, comprising a support platform, a lattice support member, a conversion platform, and a lifting assembly with stranded wires and lifting members, allowing for controlled removal of the truss structure from high altitude to ground level.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high-altitude removal method with full-scaffold structure is adopted, then the truss structure can be removed from high altitude, but the construction difficulty and cost increase significantly
Solution Approach 1:
The invention extracts and removes the full-scaffold structure from the removal system, replacing it with a simplified assistive support mechanism consisting of support rods, support platforms, and lifting devices that can be directly attached to the truss structure itself, thereby eliminating the need for extensive external scaffolding
Solution Approach 2:
The invention introduces assistive support mechanisms as intermediary elements between the truss structure and the ground, using support rods and support platforms to provide localized assistance during removal operations without requiring a complete scaffold system
2Ease of operation
If full-scaffold structure is built for high-altitude removal, then removal can be performed at high altitude, but the area and height of scaffold structure require very large amount of construction measures
Solution Approach 1:
The invention removes the requirement for large quantities of scaffold materials by extracting only the essential support functions needed for removal, using minimal support rods and platforms positioned only where structurally necessary
Solution Approach 2:
The invention segments the removal system into discrete, modular assistive support mechanisms that can be independently positioned and adjusted at specific locations along the truss structure, eliminating the need for continuous scaffold coverage
3Ease of operation
If full-scaffold structure is used, then high-altitude removal is enabled, but the difficulty level for controlling stability of truss structure increases
Solution Approach 1:
The invention introduces assistive support mechanisms as intermediary elements between the truss structure and the ground, using support rods and support platforms to provide localized assistance during removal operations, thereby maintaining stability without the complexity of full scaffolding
Solution Approach 2:
The invention implements real-time monitoring and control of the truss structure's stability during removal operations, using sensors and control systems to detect and respond to changes in structural behavior, ensuring safety without requiring extensive scaffolding
4Productivity
If conventional removal methods are used, then removal can be performed, but force-bearing conditions are not clear enough and safety is difficult to ensure
Solution Approach 1:
The invention implements real-time monitoring and control of the truss structure's stability during removal operations, using sensors and control systems to detect and respond to changes in structural behavior, ensuring safety without requiring extensive scaffolding
Solution Approach 2:
The invention performs preliminary analysis and planning of force-bearing conditions before removal operations begin, using computational models and simulations to predict structural behavior and identify critical load paths, thereby ensuring safety before actual removal commences
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 method reduces the need for extensive removal-assisting measures, improves working efficiency, and decreases operational risks by allowing the major removal work to be performed on the ground.
Implementation Method 1
a lifting member for driving the stranded wire to move up and down
Implementation Method 2
the internal forces and displacements of the components and members undergo continuous change during every stage
Data Source
AI summary
This invention relates to a method for entire removal of a space truss, and an assistive support mechanism therefor. The assistive support mechanism is arranged on a vertical support rod of a truss structure, the assistive support mechanism comprises an assistive support assembly, a lattice support member, and a conversion platform. The lifting assembly is arranged at a top of the conversion platform and comprises a stranded wire, a lifting member, and a control member. The method for entire removal of a space truss comprises mounting the assistive support mechanism, and performing initial removal of the truss structure; lowering the truss structure; and then performing secondary removal of the entire space truss. The major removal work is done on the ground, thereby reducing the requirement for removal-assisting measures and the operational risks, and improving the working efficiency.