Hydraulic Tank Hexagonal Slots Axial Strength
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Solution Overview
Problem
Existing hydraulic tanks have a large thickness, low axial compressive strength, and low resistance to bending, which limits their structural integrity and manufacturing efficiency.
Innovation Solution
A hydraulic tank design featuring a tubular side wall with a reduced thickness, hexagonal annular slots aligned in rows, and inclined side faces, along with projections on the inner surface, enhancing axial compressive strength and bending resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the side wall thickness is reduced, then the manufacturing cost and simplicity improve, but the axial compressive strength and bending resistance deteriorate
Solution Approach 1:
The side wall is segmented into multiple longitudinal elements connected by transverse connections, forming a lattice structure. This segmentation allows each element to be thinner while the overall structure maintains strength through the distributed framework, resolving the contradiction between reduced thickness and maintained compressive strength
Solution Approach 2:
The side wall employs a composite lattice structure combining multiple materials or structural components (longitudinal elements and transverse connections). This composite approach enables reduced individual component thickness while achieving superior overall mechanical properties including axial compressive strength and bending resistance
2Ease of manufacture
If the side wall thickness is reduced, then the manufacturing cost and simplicity improve, but the resistance to bending deteriorates
Solution Approach 1:
The side wall is divided into multiple longitudinal elements spaced apart and connected by transverse members. This segmentation creates a lightweight lattice structure that achieves high bending resistance through geometric configuration rather than material thickness, allowing simpler manufacturing with thinner components
Solution Approach 2:
The lattice structure incorporates curved or angled elements rather than purely straight rigid members. The curved geometry of the lattice components provides inherent bending resistance through shape, enabling thinner wall construction while maintaining structural integrity against bending loads
3Strength
If traditional thick side wall design is used, then axial compressive strength is maintained, but the manufacturing complexity and cost increase
Solution Approach 1:
Instead of a single thick wall, the structure uses multiple thin longitudinal elements connected by transverse members. This segmentation reduces overall material usage and manufacturing complexity while achieving equivalent or superior axial compressive strength through the distributed load-bearing framework
Solution Approach 2:
The invention employs thin-walled lattice elements rather than thick solid walls. These thin elements are arranged in a configuration that provides high strength-to-weight ratio, reducing manufacturing complexity and material costs while maintaining axial compressive strength through the collective structural arrangement
Data Source
Figure 1
Figure 2~3
AI summary
A hydraulic tank has a longitudinal axis (2; 14) and is provided with a tubular side wall (5; 17), which extends around the longitudinal axis (2; 14), is delimited by an outer surface (6; 18) and by an inner surface (7) and has a plurality of slots (8; 19) obtained on the outer surface (6; 18); at least part of the slots (8; 19) being hexagonal slots (8; 19) aligned with one another along at least one row of hexagonal slots (8; 19) parallel to the longitudinal axis (2; 14).