Telescopic Site Light Arm for Uneven Terrain Stability
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Solution Overview
Problem
Current mobile light systems struggle to effectively illuminate remote construction sites with uneven terrain and lack of external power sources, limiting their adaptability and functionality.
Innovation Solution
A site light with a telescopic arm assembly, adjustable leg assemblies, and a power system that includes a cooling system, allowing for stable positioning and illumination on uneven terrain, and a drive mechanism for extending and retracting the arm length.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the arm length is extended to illuminate larger areas, then the illumination coverage is improved, but the stability on uneven terrain deteriorates
Solution Approach 1:
The site light system is divided into multiple independent segments: a base unit with adjustable legs, a telescopic arm assembly with multiple sections, and a light head. This segmentation allows the base to remain stable on uneven terrain through independent leg adjustment while the arm extends to provide wide illumination coverage without compromising base stability.
Solution Approach 2:
The system incorporates dynamic adjustment capabilities including telescopic arm extension, leg length adjustment, and light head positioning. These dynamic features enable the system to adapt to different terrain conditions and illumination requirements, maintaining stability while extending coverage area as needed.
2Length of moving object
If the leg assembly is extended to reach higher positions, then the illumination height is improved, but the device complexity increases
Solution Approach 1:
The telescopic arm assembly uses a nested tube structure where smaller diameter tubes are inserted within larger tubes. This nesting arrangement allows multiple extension stages to achieve high illumination positions while maintaining a compact form when retracted and minimizing the overall structural complexity compared to alternative extension mechanisms.
Solution Approach 2:
The patent replaces complex mechanical joint systems with simpler cable-driven or spring-loaded telescopic mechanisms. This substitution reduces the number of moving parts and mechanical connections required to achieve height adjustment, thereby reducing device complexity while maintaining the ability to reach high illumination positions.
3Manufacturing precision
If the crank arm rotation is restricted to one direction, then the manufacturing precision is improved, but the adaptability deteriorates
Solution Approach 1:
The crank arm mechanism incorporates a reversible rotation capability with controlled engagement. The system can operate in one direction for precise extension while allowing reverse rotation for retraction, providing both manufacturing precision for controlled movement and adaptability for bidirectional adjustment through dynamic engagement/disengagement of locking mechanisms.
Data Source
AI summary
A site light including a body, a handle assembly coupled to the body and including one or more handle portions, an arm having a first end fixedly coupled to the body and a second end opposite the first end to define an arm length therebetween, where the second end of the arm is movable relative to the body to adjust the arm length. The site light also includes a light assembly coupled to and movable together with the second end of the arm relative to the body where the arm defines an arm axis, and where the handle assembly surrounds the arm axis.