Open Wagon Side Wall Structure with Built-in Columns
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current railway open wagon side wall structures face limitations in strength and rigidity due to large distances between structural components, requiring additional pressing of side wall plates to enhance strength and rigidity, which increases workload and reduces assembly efficiency.
Innovation Solution
The side wall structure incorporates built-in pillow columns and side columns with small upright columns, arc-shaped plates, and force transfer plates to improve strength and rigidity, eliminating the need for pressing side wall plates and simplifying assembly, while also enhancing stress distribution through small cross beams and backup plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If built-in pillow columns and built-in side columns are arranged with large spacing, then the structure is simpler and assembly is easier, but the strength and rigidity of the side wall is insufficient
Solution Approach 1:
The side wall structure is divided into multiple segments: built-in pillow columns, built-in side columns, and small upright columns positioned between them. This segmentation allows each component to be independently manufactured and assembled, simplifying production while maintaining overall structural strength through distributed support elements
Solution Approach 2:
The side wall structure combines different types of columns (built-in pillow columns, built-in side columns, small upright columns) and side wall plates to create a composite structural system. This composite approach enables the structure to achieve both simplicity in assembly and sufficient strength by leveraging the complementary functions of different components
2Strength
If multiple small block side wall plates are pressed and assembled, then the strength and rigidity of the side wall is improved, but the assembly workload increases and efficiency decreases
Solution Approach 1:
The side wall plate is divided into multiple small block structures that can be independently formed and assembled. Each small block serves as a discrete structural unit that contributes to the overall strength while allowing for simplified individual manufacturing and straightforward assembly through standardized connection methods
Solution Approach 2:
The small block side wall plates are pre-formed and prepared in advance with standardized dimensions and connection features. This preliminary preparation allows for efficient assembly operations where the pre-fabricated blocks are simply positioned and connected to the column structures, reducing on-site assembly complexity and improving productivity
3Device complexity
If the distance between pillow beam and cross beam is large, then the upper side beam structure is simpler, but the effect of improving side wall strength and rigidity is limited
Solution Approach 1:
The solution addresses the limited strength effect from large spacing by introducing small upright columns positioned in the space between the built-in pillow columns and built-in side columns. This adds a dimensional element to the structure, creating a three-dimensional framework that enhances rigidity without complicating the upper side beam design
Solution Approach 2:
Small upright columns are introduced as intermediary elements between the built-in pillow columns and built-in side columns. These intermediary columns fill the gaps created by large spacing, providing additional support and improving side wall rigidity while maintaining the simplicity of the main beam structure
Data Source
AI summary
A side wall structure of an open wagon includes an upper side beam (1), wherein built-in pillow columns (3) and built-in side columns (4) are arranged on the inner side of the upper side beam (1), the upper side beam (1) is formed by pressing an outer side flanged plate (1a), an upper planar plate (1b), an inner side slope plate (1c) and a lower vertical plate (1d), the upper parts of the built-in pillow columns (3) and the built-in side columns (4) are welded on the inner side slope plate (1c) and the lower vertical plate (1d), built-in small upright columns (5) are respectively arranged on the outer sides of the built-in pillow columns (3), between the built-in pillow columns (3) and the built-in side columns (4) that are adjacent and between every two adjacent built-in side columns (4), and the upper parts of the built-in small upright column (5) are welded on the inner side slope plate (1c) and the lower vertical plate (1d); each side wall plate (2) includes a straight side wall plate (2a) and arc-shaped plates (2b), a part of the lower parts of the built-in pillow columns (3), a part of the lower parts of the built-in side columns (4) and the entire lower parts of the built-in small upright columns (5) are respectively welded on the straight side wall plate (2a), a plurality of arc-shaped plates (2b) are respectively welded between the built-in pillow columns (3) and the built-in side columns (4) that are adjacent and between every two adjacent built-in side columns (4), an upper end of the straight side wall plate (2a) is in butt joint with a lower end of the lower vertical plate (1d), the lower end of the straight side wall plate (2a) is in butt joint with the upper ends of the arc-shaped plates (2b), and the lower ends of the arc-shaped plates (2b) are welded with a wagon body floor.