Cabin-Mounted Indication Lamp Support for Retractable Visibility
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Solution Overview
Problem
Existing state indication devices for work vehicles, such as combine harvesters, lack a secure and easily visible arrangement, with Patent Document 1 not specifying the support structure or position of the indication lamp, leading to potential instability and reduced visibility.
Innovation Solution
A state indication device is provided on a work vehicle with a support part integrated into the cabin, allowing for a central arrangement on the machine body and a changeable posture from a use posture to a retracted posture, connected to an antenna unit via a support member, ensuring firm support and visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the state indication device is provided upright on an upper part of a cabin covering a driving part, then the indication is visible from the outside of the machine body, but the support structure and arrangement position are not specifically described leading to potential instability
Solution Approach 1:
The support part is configured to allow the state indication device to change its posture between a use posture (extending outward for visibility) and a retracted posture (retracted for stability during transportation). This dynamic adjustment resolves the contradiction by providing both visibility during operation and stability during transport through posture change.
Solution Approach 2:
The support part is divided into a support body fixed to the cabin and a support arm that can rotate relative to the support body. This segmentation allows the indication device to be independently positioned for visibility while the support body remains firmly attached to the cabin, resolving the stability-visibility contradiction.
2Illumination intensity
If the state indication device is arranged in a central part in the left-right direction of the machine body, then the visibility from the outside is improved, but the device may obstruct during transportation or storage
Solution Approach 1:
The support arm can rotate between an extended position (for visibility during operation) and a retracted position (for easy handling during transportation). This dynamic capability allows the device to be easily handled during transport by retracting the support arm while maintaining central arrangement for visibility during operation.
3Device complexity
If the state indication device is provided in a fixed posture, then the structure is simple, but it cannot adapt to different operational states such as work and transportation
Solution Approach 1:
The support part incorporates a rotation mechanism that allows the state indication device to change posture between use and retracted states. This dynamic feature provides adaptability to different operational states while maintaining relatively simple structure through the use of a straightforward rotation joint and positioning mechanisms.
Solution Approach 2:
The state indication device periodically changes its posture between use posture during work operations and retracted posture during transportation or storage. This periodic action between two distinct states provides versatility for different operational requirements.
Data Source
AI summary
A work vehicle includes a cabin covering a driving part and includes a laminated lamp for providing an indication used for notification of various states of a machine body of the work vehicle. The laminated lamp is provided in a state of being supported by a laminated lamp support part provided in the cabin.