Modular Replaceable Slot Tube for Drainage Systems
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Solution Overview
Problem
Existing drainage slot tube systems for transport structures are impractical for replacing damaged tubes without disassembling the entire system, as damaged sections are often caused by heavy machinery, frost, and chemical substances, leading to water leakage and economic inefficiencies.
Innovation Solution
A replaceable slot tube system composed of a central segment, two end segments, and two closing segments, allowing for individual replacement of damaged sections by fitting and sealing the new parts to maintain a waterproof joint, with screws and nuts for secure attachment and minimal disruption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the entire slotted trough system is disassembled to replace a damaged slot tube, then the damaged tube can be replaced, but the replacement process becomes extremely difficult and economically non-acceptable due to the large length expansion
Solution Approach 1:
The slot tube is divided into a modular system consisting of a central segment, two end segments, and two closing segments. The central segment contains the spillway profile and can be independently replaced, while the end segments with sockets and closing segments form reusable connection elements. This segmentation allows replacement of only the damaged central portion without disassembling the entire slotted trough system.
2Ease of repair
If a damaged slot tube is replaced by disassembling the entire slotted trough system, then the replacement can be done, but the replacement length expands from 4m to tens or hundreds of meters
Solution Approach 1:
The slot tube is divided into a modular system consisting of a central segment, two end segments, and two closing segments. The central segment contains the spillway profile and can be independently replaced, while the end segments with sockets and closing segments form reusable connection elements. This segmentation allows replacement of only the damaged central portion without disassembling the entire slotted trough system.
3Ease of repair
If local reinstating is performed on damaged slot tubes, then the replacement can be executed without full disassembly, but the original condition is not guaranteed and procedures must be repeated
Solution Approach 1:
The slot tube is divided into a modular system consisting of a central segment, two end segments, and two closing segments. The central segment contains the spillway profile and can be independently replaced, while the end segments with sockets and closing segments form reusable connection elements. This segmentation allows replacement of only the damaged central portion without disassembling the entire slotted trough system.
Solution Approach 2:
The central segment is manufactured as a precise copy of the original slot tube section with identical spillway profile dimensions and characteristics. This ensures that the replaced section exactly replicates the original design specifications, guaranteeing reversion to the original condition and eliminating the need for repeated reinstating procedures.
4Ease of repair
If the slot tube is made as a one-piece blockstone structure, then the structure is simple and strong, but the damaged tube cannot be replaced individually
Solution Approach 1:
The slot tube is divided into a modular system consisting of a central segment, two end segments, and two closing segments. The central segment contains the spillway profile and can be independently replaced, while the end segments with sockets and closing segments form reusable connection elements. This segmentation allows replacement of only the damaged central portion without disassembling the entire slotted trough system.
Solution Approach 2:
The end segments are pre-fitted with sockets and the closing segments are pre-prepared with connection elements during manufacturing. This preliminary preparation of connection interfaces enables quick and easy assembly when replacing the central segment, eliminating the need for complex field modifications or custom fabrication work.
Data Source
Figure 1
Figure 2A~2E
Figure 3A~3F
AI summary
The replaceable slot tube is formed by the central segment /1/, two end segments /2/ and /3/, and two closing segments /4/ while the central segment /1/ is made with a section of the original exit slot tube but always shorter than the original slot tube by the length of two end segments /2/ and /3/ while the central segment /1/ is fitted at its both faces with connecting flange /5/ and the end segments /2/ and /3/ are made with the same section as the exit slot tube while a recess is made on one side of each end segment /2/ and /3/ into which engages the closing segment /4/ that is mounted to the end segment /2/ or /3/, and all the parts as a whole form the final inner and outer shape corresponding to the original drainage slot tube.