Pallet Underframe Bottom Inclination for Liquid Container Volume
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Solution Overview
Problem
Standard transport and storage containers for liquids face limitations in volume capacity without altering their outer dimensions, and their bottom structures are not optimized for stability and manufacturing cost-effectiveness.
Innovation Solution
The bottom of the pallet-like underframe is modified with a slight downward inclination (0-2°) and lateral inclination (1-3°) of its sections, along with stiffening corrugations, to increase volume and reduce material thickness while maintaining compatibility with transport devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the bottom of the underframe is lowered and flattened to increase nominal volume, then the volume capacity increases by up to 10 liters, but the stability of the support bottom may be compromised
Solution Approach 1:
The bottom of the underframe is divided into two bottom sections (front and rear) with different inclination angles. The rear bottom section has a smaller inclination angle (0-2°) compared to the front bottom section (1-3°), allowing each section to be optimized for its specific function while working together to resolve the contradiction between volume and stability.
Solution Approach 2:
Different regions of the bottom structure are given different geometric properties. The rear portion is flattened with minimal inclination to maximize volume, while the front portion maintains a steeper angle to ensure stability during transport and handling. This local differentiation allows the structure to simultaneously achieve both volume expansion and stability.
2Ease of manufacture
If the material thickness of the sheet metal for the support bottom is reduced to lower manufacturing costs, then the manufacturing cost decreases, but the strength and stability of the underframe bottom is compromised
Solution Approach 1:
The bottom of the underframe incorporates curved transition zones between the front and rear bottom sections. These curved surfaces distribute mechanical stresses more evenly across the structure, allowing for reduced material thickness while maintaining structural integrity and strength during transport operations.
3Stability of the object's composition
If the bottom sections are inclined at steeper angles to improve stability, then the stability increases, but the nominal volume of the container is reduced
Solution Approach 1:
The bottom structure is designed with optimized inclination angles that balance the dynamic requirements of stability during transport with the static requirement of maximum volume. The rear bottom section uses a gentler angle (0-2°) to maximize volume, while the front section uses a steeper angle (1-3°) to provide stability, creating a dynamic balance between these two opposing requirements.
Data Source
AI summary
A transport and storage container for liquids includes an inner container of plastic material, an outer casing of a metal mesh or sheet metal, and a pallet-like underframe. The container is configured for manipulation by a transport means. A bottom of sheet metal rests on corner and middle legs for supporting the inner container equipped with a closable filling socket and a drain socket for connection to a removal fitting, wherein the inner container has a drain bottom with a middle draining groove which extends with a slight downward inclination from the rear wall of the container to the drain socket arranged at the end wall of the container for connection of the removal fitting. The bottom of the underframe adapted to the bottom of the inner container is divided into two bottom sections which are inclined downwardly from the two longitudinal rims of the bottom in the direction toward the middle axis of the bottom and from the rear rim toward the front rim of the bottom, and wherein the two bottom portions are equipped with stiffening corrugations having corrugation troughs located in a common horizontal plane.