Stepped Dowel Alignment Guide for Prefabricated Panel Assembly
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Solution Overview
Problem
Assembling large or heavy prefabricated wall components into precise configurations for fastening is challenging due to limited visibility and space constraints, requiring a mechanism for accurate alignment and temporary support during assembly.
Innovation Solution
A guidance apparatus comprising a stepped dowel member with decreasing cross-sectional sections and a collar member, allowing for precise alignment of components to form a dowel-receiving cavity, enabling easy engagement of fastening mechanisms without disturbing the aligned position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If large or heavy prefabricated wall components are assembled into precise configurations, then the structural integrity and precision of the assembly is improved, but the difficulty of alignment and manipulation worsens due to limited visibility and space constraints
Solution Approach 1:
The patent introduces temporary alignment guides and positioning fixtures as intermediary tools that facilitate the alignment of large wall components. These guides provide physical references and constraints that make precise alignment achievable despite the components' size and weight, directly resolving the contradiction between manufacturing precision and ease of operation
Solution Approach 2:
The patent employs pre-marked alignment references and pre-positioned guide features on the components themselves. By preparing alignment indicators and positioning structures before the actual assembly operation, the workers can achieve precise alignment more easily, addressing both the precision requirement and the operational difficulty
2Stability of the object's composition
If fastening mechanisms are used to secure components together, then the structural stability is improved, but the complexity of the assembly process worsens due to the need for precise alignment of small fastening features on large components
Solution Approach 1:
The patent introduces temporary alignment guides and positioning fixtures as intermediary tools that facilitate the alignment of large wall components. These guides provide physical references and constraints that make precise alignment achievable despite the components' size and weight, directly resolving the contradiction between manufacturing precision and ease of operation
Solution Approach 2:
The patent employs pre-marked alignment references and pre-positioned guide features on the components themselves. By preparing alignment indicators and positioning structures before the actual assembly operation, the workers can achieve precise alignment more easily, addressing both the precision requirement and the operational difficulty
3Measurement precision
If alignment guides are used to position components accurately, then the positioning precision is improved, but the time required for assembly worsens due to the need to install and remove temporary guiding apparatus
Solution Approach 1:
The patent employs pre-marked alignment references and pre-positioned guide features on the components themselves. By preparing alignment indicators and positioning structures before the actual assembly operation, the workers can achieve precise alignment more easily, addressing both the precision requirement and the operational difficulty
Solution Approach 2:
The patent incorporates permanent alignment features and self-aligning fastening mechanisms into the components themselves. These built-in features automatically guide the components into correct positions during assembly, eliminating the need for separate temporary alignment devices and their installation/removal steps, thus reducing assembly time while maintaining precision
Data Source
AI summary
An apparatus guides first and second assembly components into a predetermined configuration, each assembly component including an opening. When the assembly components are aligned into the predetermined configuration, their openings align to define a cavity for receiving a stepped dowel to fasten the components together. The guiding apparatus includes a stepped dowel member having successively-smaller dowel sections, and a collar member floating around the base of the stepped dowel member. The stepped dowel member tip can be passed through the first assembly component opening and inserted into the second assembly component opening, drawing the components into the predetermined configuration. When the components are aligned into the predetermined configuration, the collar member engages the first assembly component opening and the stepped dowel member engages the second assembly component opening. The guiding apparatus can be disengaged, freeing the dowel-receiving cavity to accept a stepped dowel for fastening the assembly components together.