Generator Gas Shield Support Device for Rotor Rotation
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Solution Overview
Problem
Conventional generator systems face difficulties in efficiently removing and replacing the gas shield due to its heavy weight and spatial restraints, making maintenance time-consuming and hazardous for operators.
Innovation Solution
A generator gas shield support device is introduced, featuring a first support coupled to the generator rotor to releasably couple and position the gas shield portions, allowing for easier access and removal by rotating the rotor, thereby simplifying the process and reducing the need for confined space access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the gas shield is made heavy and robust to ensure structural integrity and heat resistance, then reliability is improved, but ease of operation deteriorates due to difficulty in removal and installation
Solution Approach 1:
The gas shield is divided into two separate portions (upper and lower), each weighing less than the conventional single-piece design. This segmentation allows each portion to be handled more easily during removal and installation while maintaining the overall structural integrity and protective function of the complete gas shield assembly.
Solution Approach 2:
A support device is introduced as an intermediary tool to assist in the removal and installation of the gas shield portions. The support device includes supports that engage with the gas shield portions and a rotating mechanism that facilitates their extraction from the generator housing, reducing the physical effort required and improving ease of operation.
2Volume of moving object
If the gas shield portions are positioned in confined spaces to optimize generator layout, then space utilization is improved, but ease of operation deteriorates due to restricted access for operators
Solution Approach 1:
The support device acts as an intermediary mechanism that extends into the confined spaces where gas shield portions are located. The supports engage with the gas shield portions in their installed positions, and the rotating mechanism provides mechanical advantage to extract them from difficult-to-reach locations, allowing operators to work from more accessible positions outside the confined spaces.
Solution Approach 2:
The support device introduces a rotational dimension to the removal process. By rotating the supports, the gas shield portions can be extracted from their original positions in the confined generator housing and moved to different spatial orientations, making them more accessible for handling and reducing the need for operators to work in restricted spaces.
3Device complexity
If conventional removal methods are used without mechanical assistance, then device complexity is minimized, but productivity deteriorates due to time-consuming manual removal processes
Solution Approach 1:
The support device serves as a relatively simple intermediary mechanism that significantly accelerates the removal and installation process. The supports engage with the gas shield portions, and the rotating mechanism provides mechanical advantage for extraction, reducing maintenance time from hours to minutes while adding only moderate complexity to the overall system.
Solution Approach 2:
The support device introduces dynamic elements (rotating supports) that enable quick adjustment and movement of the gas shield portions. This dynamic capability allows for rapid removal and installation operations compared to static conventional methods, thereby improving productivity without requiring overly complex automated systems.
Data Source
AI summary
The disclosure includes a generator gas shield support device, and method of removing the generator gas shield using the support device. In one embodiment, the generator gas shield support device of a generator system includes a first support coupled to a generator rotor of the generator system. The first support of the generator gas shield support device is configured to releasably couple a first portion of a generator gas shield to the generator rotor of the generator system. The generator gas shield support device may also include a second support releasably coupled to the generator rotor. The second support is configured to support the first portion of the generator gas shield during a rotation of the generator rotor.