Ship Engine Top Cover Operation Access
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Solution Overview
Problem
The existing engine maintenance systems for ships require difficult access to control systems located at the bottom of the engine, necessitating the detachment of the top cover for operation and maintenance, which is cumbersome and poses risks of damage from accidental contact.
Innovation Solution
A top cover with a vertically penetrating blank part allows the engine side operation part, including an emergency stop switch, maintenance connector, and fuse box, to be positioned below the top cover's surface, enabling easy access and protection from accidental damage, with the control unit arranged on the side surface and connected to these components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the control device is arranged at the side of the cylinder block, then the control system can be integrated into the engine structure, but the maintenance and operation of the control system becomes difficult requiring detachment of the top cover
Solution Approach 1:
The operation part (emergency stop switch, maintenance connector, fuse box) is extracted from the control unit and arranged separately on the top cover, allowing independent access to operational components without detaching the top cover for maintenance purposes
Solution Approach 2:
A communication cable serves as an intermediary connection between the operation part on the top cover and the control unit on the side surface, enabling signal transmission while maintaining spatial separation between components
2Ease of operation
If the operation part is positioned above the top cover surface, then easy access is achieved, but the components become vulnerable to accidental damage from trampling or stumbling
Solution Approach 1:
The operation part is nested within the top cover structure, with the emergency stop switch, maintenance connector, and fuse box positioned inside the cover's recessed area, providing physical protection while maintaining accessibility through the opening
3Ease of operation
If the top cover is detached for maintenance, then full access to the control system is achieved, but the work becomes difficult and time-consuming
Solution Approach 1:
The operation part is extracted and positioned on the top cover, allowing maintenance personnel to access and service the emergency stop switch, maintenance connector, and fuse box without detaching the top cover, significantly reducing maintenance time
Solution Approach 2:
The operation part is designed to be self-accessible through the top cover opening, enabling maintenance personnel to perform routine maintenance tasks independently without requiring disassembly of the top cover
Data Source
Figure 1
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AI summary
The purpose of the present invention is to provide an engine in which operation of a control system and communication of information can be performed easily form above the engine. A blank part 11a is formed in a top cover 11 provided on an upper surface of an engine 1 arranged in an engine room of a ship so as to penetrate vertically the top cover 11, an engine side operation part 40 is arranged so as to face the blank part 11a, and an upper end of the engine side operation part 40 is positioned lower than an upper surface of the top cover 11.