Hybrid Loader Boom Arm Assembly Using Composite Materials
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional loader boom arms used in construction and agricultural applications are heavy and prone to damage, requiring robust construction and frequent replacement, leading to high maintenance costs and operational downtime.
Innovation Solution
A hybrid loader boom arm assembly composed of lightweight materials, such as aluminum or polymer-based materials, which are interconnected by a torque transfer tube, reducing weight by 10-20% compared to steel and enabling a lighter hydraulic system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If heavy steel plate construction is used for loader boom arms, then strength and durability are improved, but weight increases leading to higher fuel consumption
Solution Approach 1:
The boom arm is constructed using a composite structure combining steel plate elements with aluminum or polymer-based lightweight materials. The steel components provide critical strength where needed, while lightweight materials reduce overall weight, resolving the contradiction between strength and weight.
Solution Approach 2:
The boom arm is divided into multiple segments or sections, each optimized with different materials based on local stress requirements. High-stress areas use steel while lower-stress areas use lightweight materials, achieving both strength and weight reduction.
2Strength
If heavy steel plate construction is used for loader boom arms, then load capacity is improved, but manufacturing cost and shipping cost increase
Solution Approach 1:
By using composite materials with lightweight components, the overall mass of the boom arm is reduced, directly lowering shipping and transportation costs while maintaining load capacity through strategic placement of steel elements in high-stress zones.
3Reliability
If heavy steel plate construction is used for loader boom arms, then durability is improved, but ease of repair and replacement is worsened due to weight
Solution Approach 1:
The boom arm is segmented into modular sections that can be independently replaced. The lightweight construction makes these segments easier to handle and install, improving ease of repair while maintaining durability through the use of robust steel components in critical areas.
4Weight of moving object
If lightweight materials are used for loader boom arms, then weight is reduced, but strength and durability may be compromised
Solution Approach 1:
The boom arm employs a composite material system where steel plate components provide the necessary strength and durability, while aluminum or polymer-based materials contribute to weight reduction. The hybrid construction ensures that strength requirements are met while achieving significant weight savings.
Solution Approach 2:
Different materials are applied to different sections of the boom arm based on local stress requirements. Steel is used in high-stress areas requiring maximum strength, while lightweight materials are used in lower-stress areas, optimizing the strength-to-weight ratio throughout the structure.
Data Source
Figure 1
Figure 1A
Figure 2
AI summary
A hybrid loader boom arm assembly for a loader work vehicle includes an arm assembly that includes a first beam formed from a lightweight material and a second beam formed from the lightweight material. The loader boom arm includes a connection assembly having a first steel plate and a pair of knee plates formed from the lightweight material. A portion of the first steel plate is received within the first beam and a second portion of the first steel plate is received within the second beam. The pair of knee plates cooperate to define a first channel that receives the end of the first beam and a second channel that receives the second end of the second beam. The first steel plate and the pair of knee plates are configured for interconnecting the first beam with the second beam.