Gas Turbine Vertical Joint Coupling Structure
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Solution Overview
Problem
Gas turbines require cumbersome and time-consuming assembly and disassembly processes involving high-pressure hydraulic jacks and additional equipment, posing safety risks and inefficiencies.
Innovation Solution
A vertical joint coupling structure that allows for easy assembly and disassembly of casings using jacking screws and shim members, eliminating the need for hydraulic jacks and additional jigs, with a design featuring bolt fasteners, jacking screws, and shim members to secure gaps between casings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hydraulic jacks and additional equipment are used to assemble/disassemble vertical joints, then the gap between casings can be secured, but the device complexity and operational difficulty increase significantly
Solution Approach 1:
The patent extracts the essential function of gap securing from the complex hydraulic jack system and implements it through simple jacking screws that are integrated directly into the vertical joint structure. The jacking screws are inserted into the vertical joint to secure the gap between the first casing and the vertical joint, eliminating the need for external hydraulic equipment.
Solution Approach 2:
The vertical joint structure includes self-contained jacking screws and shim members that enable the assembly to secure its own gap without requiring external hydraulic equipment or additional jigs. The jacking screws are part of the vertical joint itself, allowing the structure to perform the gap securing function autonomously.
2Reliability
If hydraulic jacks are used for assembly/disassembly, then the gap can be secured, but the operation becomes time-consuming and cumbersome
Solution Approach 1:
The patent extracts the essential function of gap securing from the time-consuming hydraulic jack process and implements it through simple manual jacking screws that can be quickly inserted and adjusted. The jacking screws enable rapid gap securing without the setup and operation time required for hydraulic equipment.
Solution Approach 2:
The patent uses simple, inexpensive jacking screws and shim members that can be quickly deployed and discarded or reset, replacing the expensive and time-consuming hydraulic jack system. The jacking screws are basic mechanical components that require no complex setup or operation procedures.
3Reliability
If hydraulic jacks are used to secure gaps, then assembly is possible, but safety risks increase due to high-pressure equipment
Solution Approach 1:
The patent extracts the gap securing function from the dangerous high-pressure hydraulic jack system and implements it through safe, low-pressure manual jacking screws. The jacking screws eliminate the high-pressure fluid hazards associated with hydraulic equipment while maintaining the essential gap securing capability.
Solution Approach 2:
The patent replaces dangerous high-pressure hydraulic equipment with simple, safe mechanical jacking screws and shim members. These basic components eliminate safety risks associated with high-pressure hydraulics while providing sufficient gap securing functionality for the application.
Data Source
AI summary
A vertical joint coupling structure includes a first casing in which combustion gases flow, a second casing connected to the first casing, a vertical joint mounted on the second casing and coupled to the first casing, a plurality of bolt fasteners fastened to the vertical joint and the first casing, a plurality of jacking screws inserted into the vertical joint to secure a gap between the vertical joint and the first casing upon disassembly or assembly between the first casing and the second casing, and a shim member inserted into the gap between the vertical joint and the first casing.