Portable Assembly Jig With Jack Leveling for Precise Floor Assembly
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Solution Overview
Problem
Existing factory-based datum reference planes for object assembly are costly, complex, and require precise installation, leading to deformation and measurement errors due to non-flat factory floors, necessitating additional correction steps for accurate assembly.
Innovation Solution
A portable assembly jig with a frame, casters, jacks, and stabilizer feet that allows dynamic adjustment to factory floor conditions, creating a repeatable and level assembly plane by raising casters and stabilizing the frame with stabilizer feet, enabling precise assembly operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If bases are embedded in the factory floor to establish datum reference planes, then assembly precision is improved, but device complexity and cost increase
Solution Approach 1:
The system divides the datum reference plane establishment into modular components: a portable assembly jig with adjustable support elements that can be segmented and reconfigured at different locations, eliminating the need for permanent embedded bases throughout the factory floor
Solution Approach 2:
The portable assembly jig acts as an intermediary device between the factory floor and the object being assembled, providing a temporary but precise datum reference plane without requiring permanent modifications to the factory infrastructure
2Measurement precision
If bases are precisely laid to enable reestablishment of datum reference plane, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
The assembly jig incorporates dynamic adjustment mechanisms including adjustable support elements and leveling devices that allow operators to easily adapt the datum reference plane to different locations and floor conditions, eliminating the need for precise manual laying of bases
3Stability of the object's composition
If bases are used to support assembly, then stability is improved, but adaptability deteriorates
Solution Approach 1:
The portable assembly jig features dynamic support elements that can be adjusted and repositioned to maintain stability across various locations and floor conditions, providing both stability and adaptability simultaneously
Solution Approach 2:
The system allows changes in geometric parameters of the support structure to adapt to different assembly locations while maintaining the stability required for precise work through adjustable support heights and positions
4Productivity
If multiple sets of bases are placed for assembly in different locations, then productivity is improved, but device complexity and cost increase
Solution Approach 1:
The portable assembly jig is designed as a universal device that can be relocated and reused across multiple assembly locations, eliminating the need for multiple separate base sets and reducing overall device complexity while maintaining productivity
Data Source
AI summary
Systems, apparatus, articles of manufacture, and methods are disclosed for a portable assembly jig including: a frame having a top side and a bottom side, the top side including structure to support an object, the bottom side defining at least three support locations to fully support the assembly jig in a parked condition, assembly of the object occurs in the parked condition; casters coupled to the frame enable movement of the frame in a portable condition; a jack coupled to at least one of the three support locations such that extension of a foot of the jack toward a ground surface causes at least one of the casters to be above the ground surface and the assembly jig to be in the parked condition; and at least one stabilizer foot coupled to the frame, a first stabilizer foot to stabilize the frame in the parked condition.