Load Sharing Block Arcuate Profile for Durable Work Implement Adapters
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Solution Overview
Problem
Current work implement adapters lack durability and longevity, failing to meet customer requirements for longevity and durability in applications such as earth moving and construction equipment.
Innovation Solution
The introduction of a load sharing block with an arcuate reinforcement surface and a center adapter with a nose portion, legs, and a throat portion, which includes a slot and aperture for mounting mechanisms, designed to distribute load effectively and reduce stress on the base edge, along with a notched base edge configuration that maximizes contact area and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current adapters are used to attach tools to work implements, then the assembly is simple and easy to manufacture, but the durability and longevity are insufficient
Solution Approach 1:
The adapter is divided into multiple functional segments: a body portion with a nose, two legs, and a throat portion; separate mounting mechanisms in the legs; and distinct reinforcement surfaces on the base edge. This segmentation allows each component to be optimized for its specific function while maintaining overall structural integrity and durability.
Solution Approach 2:
The adapter incorporates multiple materials with different properties: the body is made of a first material (e.g., steel) for strength, while the base edge reinforcement may use a second material (e.g., hardened steel or composite) to resist wear and impact. This composite approach enhances overall durability by selecting materials optimized for specific stress and wear conditions.
2Ease of manufacture
If the adapter structure is simplified for ease of manufacture, then manufacturing cost decreases, but load distribution and stress reduction on the base edge are compromised
Solution Approach 1:
The base edge is designed with a curved or arcuate profile rather than a straight edge, and the reinforcement surfaces follow this curvature. This curved geometry naturally distributes loads more evenly across the base edge during operation, reducing stress concentration points while maintaining a relatively simple manufacturing process using standard bending and welding techniques.
Solution Approach 2:
The adapter incorporates reinforcement surfaces that extend in multiple dimensions: vertical reinforcement surfaces on the base edge, horizontal mounting surfaces for tools, and lateral support surfaces. This multi-dimensional reinforcement structure distributes loads across different planes and directions, enhancing strength without requiring excessive material or complex assembly procedures.
3Stress or pressure
If the adapter uses more reinforcement surfaces and complex geometry, then stress on the base edge is reduced, but manufacturing complexity and cost increase
Solution Approach 1:
Reinforcement surfaces are strategically placed only where stress concentration occurs: vertical reinforcement surfaces at the front and rear of the base edge, lateral reinforcement surfaces at the corners, and localized mounting surfaces on the adapter legs. This targeted reinforcement approach reduces base edge stress effectively while minimizing unnecessary material and geometric complexity in non-critical areas.
Solution Approach 2:
The adapter and base edge are designed with pre-formed reinforcement geometries that are manufactured and assembled before field installation. The curved base edge profile, reinforcement surfaces, and adapter body are fabricated with built-in stress-distributing features, eliminating the need for complex field modifications or additional reinforcement additions during maintenance or tool changes.
Data Source
AI summary
A load sharing block includes a body including a flat outer surface defining a first end and a second end, a first arcuate outer portion extending from the first end of the flat outer surface, and a second arcuate outer portion extending from the second end of the flat outer surface. The first arcuate outer portion terminates at a first free end and includes a first elliptical outer surface extending from the first free end.