Composite Lifting Beam with Adhesive Plate Elements
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Solution Overview
Problem
Contemporary lifting beams are heavy and costly due to their steel construction and complexity, making them burdensome for lifting apparatuses and difficult to handle manually.
Innovation Solution
A composite lifting beam design featuring pultruded composite materials and adhesive-mounted plate elements, allowing for adjustable length and reduced weight while maintaining strength, with connection arrangements for efficient attachment to lifting apparatuses and loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If steel construction is used for lifting beams, then strength and load-bearing capability are improved, but weight and cost increase significantly
Solution Approach 1:
The lifting beam employs a composite construction consisting of a hollow steel beam filled with concrete. This composite structure leverages the high strength-to-weight ratio of steel and the compressive strength of concrete, achieving superior load-bearing capability while reducing overall weight compared to solid steel beams of equivalent strength.
Solution Approach 2:
The invention modifies the structural parameters by transitioning from a solid steel beam to a hollow beam filled with concrete. This parameter change optimizes the strength-to-weight ratio, maintaining load-bearing capability while significantly reducing the weight of the beam.
2Strength
If steel construction is used for lifting beams, then load-bearing capability is improved, but complexity and manufacturing cost increase
Solution Approach 1:
The lifting beam employs a composite construction consisting of a hollow steel beam filled with concrete. This composite structure leverages the high strength-to-weight ratio of steel and the compressive strength of concrete, achieving superior load-bearing capability while reducing overall weight compared to solid steel beams of equivalent strength.
3Strength
If traditional steel beams are used, then load-bearing strength is maintained, but manual handling becomes difficult
Solution Approach 1:
The lifting beam employs a composite construction consisting of a hollow steel beam filled with concrete. This composite structure leverages the high strength-to-weight ratio of steel and the compressive strength of concrete, achieving superior load-bearing capability while reducing overall weight compared to solid steel beams of equivalent strength.
Solution Approach 2:
The invention modifies the structural parameters by transitioning from a solid steel beam to a hollow beam filled with concrete. This parameter change optimizes the strength-to-weight ratio, maintaining load-bearing capability while significantly reducing the weight of the beam.
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
The composite lifting beam minimizes material usage and weight, enabling safe, efficient, and cost-effective lifting operations while allowing for manual handling, reducing the overall load on lifting apparatuses.
Implementation Method 1
The plurality of plate elements are secured to the at least one beam element by an adhesive
Data Source
AI summary
A composite lifting beam and methods are provided. Such a lifting beam includes at least one beam element. A plurality of plate elements are mounted to the at least one beam element and are spaced apart along a length of the at least one beam element. The plurality of plate elements provide a first connection arrangement for connecting the beam to a lifting apparatus, and a second connection arrangement for connecting the beam to a load.