Lattice Structure Connector Design for Crane Coupling Strength
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Solution Overview
Problem
The existing lattice structures for large work machines, such as cranes, face challenges in maintaining strength and weight efficiency at structure coupling portions, often requiring additional orthogonal pipes that increase weight and manufacturing time.
Innovation Solution
A lattice structure design featuring main pipes and inclined pipes arranged in a radial direction, with connectors that allow for detachable coupling, maintaining continuous triangular configurations without the need for orthogonal pipes, thereby enhancing strength and reducing weight and manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If orthogonal pipes are provided to reinforce the structure coupling portion, then the strength at the coupling portion is improved, but the weight of the lattice structure is increased
Solution Approach 1:
The connector integrates multiple functions: it couples main pipes from different lattice structures together while also connecting inclined pipes, merging what would traditionally require separate orthogonal pipes and connector components into a single integrated part, thereby maintaining strength without adding weight
Solution Approach 2:
The connector is designed to serve multiple purposes simultaneously: it acts as both a main pipe coupler and an inclined pipe connector, allowing a single component to perform the work of multiple traditional components, thus avoiding weight increase while maintaining structural strength
2Strength
If orthogonal pipes are provided to reinforce the structure coupling portion, then the strength at the coupling portion is improved, but the number of manufacturing man-hours is increased
Solution Approach 1:
By combining the functions of main pipe coupling and inclined pipe connection into a single connector component, the manufacturing process is simplified, requiring fewer parts to assemble and reducing the total manufacturing time and labor hours required
Solution Approach 2:
The invention extracts the reinforced coupling function from the traditional separate orthogonal pipe component and integrates it directly into the connector, eliminating the need for additional manufacturing steps and reducing overall production complexity
3Ease of operation
If connectors are arranged sequentially along the axial direction of the main pipe, then the detachable coupling is achieved, but the triangular configurations are interrupted and the strength at the coupling portion is reduced
Solution Approach 1:
The connector extends in the radial direction rather than just along the axial direction, creating a three-dimensional coupling structure that maintains triangular configurations in multiple directions while still providing detachable coupling capability
Solution Approach 2:
The connector structure nests multiple connection points and triangular configurations within its three-dimensional form, allowing the triangular lattice patterns to continue uninterrupted through the coupling portion while still enabling detachable connection
Data Source
AI summary
A lattice structure is mounted on a work machine, and is detachably coupled to a counterpart lattice structure adjacent to the lattice structure. The lattice structure includes a connector to which an end portion of any main pipe among a plurality of main pipes is connected and to which an end portion of at least one inclined pipe among a plurality of inclined pipes is connected, the connector being detachably coupled to a counterpart connector included in a counterpart lattice structure.