Universal Support Arm Structure for Accurate Stage Light Mounting
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Solution Overview
Problem
Existing stage light fixtures have movable supports with low processing accuracy, large size errors, and weak connection strength, which affects mounting accuracy and production standardization.
Innovation Solution
A stage light fixture with a universal support arm featuring a rotatably supported supporting arm with an integrally formed universal frame and a detachable adapter, allowing for different light head types to be adapted, and assembled as a single unit for improved accuracy and strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the movable support is formed by splicing metal plates, then the assembly process is complex with many parts, but the processing accuracy is low and size errors are large
Solution Approach 1:
The patent merges multiple spliced metal plate segments into a single integrally formed movable support structure. This eliminates the need for assembling multiple separate metal plates through splicing, thereby reducing assembly complexity while simultaneously improving manufacturing precision by avoiding cumulative positioning errors from multiple joints and connections.
Solution Approach 2:
The patent designs a universal movable support structure that can accommodate different types of stage light fixtures through standardized interfaces and mounting mechanisms. This integral structure serves multiple functions: providing structural support, enabling precise positioning, and facilitating universal compatibility across different light fixture models, thereby simplifying manufacturing while maintaining high precision.
2Ease of manufacture
If the movable support is formed by splicing metal plates, then the assembly process is complex with many parts, but the overall connection strength is weak
Solution Approach 1:
The patent combines multiple metal plate segments into a single integrally formed movable support, eliminating weak connection points at splice joints. The integral structure provides continuous material throughout the support, ensuring uniform and strong connection strength across the entire component without relying on multiple fasteners or welding joints that would compromise structural integrity.
3Ease of manufacture
If the movable support is formed by splicing metal plates, then the processing is complex with a large number of parts, but production standardization is affected
Solution Approach 1:
The patent integrates multiple separate metal plate components into a single monolithic movable support structure that can be manufactured as one piece using standardized forming processes. This eliminates the need for complex multi-step assembly operations involving multiple parts, enabling the component to be produced efficiently on automated production lines with consistent quality and timing, thereby achieving full production standardization.
4Device complexity
If the universal frame is integrally formed, then the number of parts is reduced and assembly is simplified, but the adaptability to different light head types must be maintained
Solution Approach 1:
The patent incorporates universal mounting interfaces and adjustable positioning mechanisms directly into the integrally formed frame structure. These built-in universal features enable the single-frame design to accommodate various light head types through standardized mounting patterns and adjustable components, maintaining high adaptability while preserving the simplicity and low part count of the integral construction.
Data Source
AI summary
The present invention relates to the technical field of stage light fixtures, in particular to a stage light fixture having a universal support arm, which includes a supporting arm rotatably supported on a bottom base, the supporting arm having a universal frame of an integrally formed structure and an adapter detachably connected to the universal frame and a light head rotatably disposed at the adapter via a rotating shaft, a light source being disposed in the light head. The present invention is advantageous to improve the mounting accuracy and overall structural strength of the movable support of a light head, simplify the assembly process of the movable support of the light head, and contribute to standardize the production of the movable support of the light head.


