Railway Wagon Side Wall Internal Stake Structure
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Solution Overview
Problem
The existing side wall structure of railway wagons results in a wasted width space between the outer surface of the side plate and the side stakes, limiting the volume of the boxcar.
Innovation Solution
The side wall is redesigned with an inner-side-staked structure, featuring upper and lower side plates, inner and outer side stakes connected by welding, which allows for the efficient use of the previously wasted space without altering the external dimensions, enhancing the volume and structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If external stakes are used in the side wall structure, then the structural strength is improved, but the width space between the side plate and side stake is wasted
Solution Approach 1:
The patent inverts the traditional external stakes configuration by moving the stakes to the inner side of the side plate, creating an internal stakes structure. This inversion allows the previously wasted width space between the side plate and external stakes to be utilized for cargo storage, thereby increasing boxcar volume while maintaining structural strength through the internal stake configuration.
2Ease of manufacture
If the side wall uses traditional plate-stake structure, then the manufacturing simplicity is maintained, but the volume utilization is reduced
Solution Approach 1:
The patent applies the nesting principle by placing the stakes inside the side plate structure, creating an nested configuration where the stakes are contained within the boundaries of the side plate. This internal nesting arrangement maximizes the use of available space within the side wall structure, converting previously wasted external space into usable cargo volume while maintaining manufacturing simplicity.
3Volume of stationary object
If the external dimension of the railway wagon is increased to improve volume, then the cargo capacity is improved, but the railway wagon size is constrained by boundary limits
Solution Approach 1:
The patent applies dimensionality change by optimizing the internal spatial arrangement within the side wall structure rather than increasing external dimensions. By reconfiguring the stakes from external to internal placement, the solution exploits the third dimension (depth into the side wall) to maximize cargo volume without altering the external length, width, or height constraints of the railway wagon.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design effectively increases the volume of the railway wagon, improves the bending strength and transverse rigidity, reduces self-weight, and enhances the reliability and maintenance efficiency of the railway wagon, while maintaining the same external dimensions.
Implementation Method 1
an inner side stake and an outer side stake which are connected in a welding way
Data Source
AI summary
The present invention provides a side wall of railway wagon and a boxcar of railway wagon. The side wall of the railway wagon comprises an upper side plate, a lower side plate, an inner side stake and an outer side stake, wherein the said inner side stake is arranged at the inner side of the said upper side plate and the said lower side plate, and the said outer side stake is arranged at the upper part of the said side wall of railway wagon and is arranged at the outer side of the said upper side plate. By applying the side wall in the form of internal stakes, the side wall of railway wagon and the boxcar of railway wagon of the present invention can make full use of the width space between the outer surface of the side plate and the outer surface of the side stake on the basis that the external dimension of the railway wagon is not changed, thereby effectively improving the volume of the railway wagon and the transporting capability of the train.