Vehicle Door Holder Integration for In-Line Component Assembly
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Solution Overview
Problem
Conventional vehicle-body assembly methods require costly and space-intensive conveyor systems and separate door-component assembly lines, increasing production costs and complexity.
Innovation Solution
A vehicle-body assembly line with a movable door holder that allows doors to be removed from the vehicle body, assembled with components downstream, and then returned to the vehicle body without the need for a dedicated conveyor system or separate assembly line, using door-holder in/out mechanisms to manage door position and assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conveyor system and separate door-component assembly line are constructed, then doors can be removed, conveyed, assembled with components, and returned to the vehicle body, but the cost increases and the space required increases
Solution Approach 1:
The patent merges the door holder function into the carrier base, combining what were previously separate systems (carrier and door holder) into a single integrated structure. This eliminates the need for separate conveyor systems and door-component assembly lines, as the door holder on the carrier performs both door storage and component assembly functions in one location.
Solution Approach 2:
The door holder is designed to perform multiple functions: holding doors during vehicle body assembly, receiving removed doors, and facilitating component assembly to doors. This multi-functional design eliminates the need for dedicated separate assembly lines and conveyor systems, reducing overall system complexity while maintaining full door assembly capability.
2Ease of operation
If a conveyor system is constructed to convey doors to the door-component assembly line, then doors can be transported for assembly, but the space required increases
Solution Approach 1:
By merging the door holder into the carrier base and enabling in-situ door-component assembly, the patent eliminates the need for separate conveyor systems that would require additional space. The door assembly process occurs at the carrier location itself, reducing the overall footprint of the assembly line.
3Ease of manufacture
If separate construction of a door-component assembly line is performed, then components can be assembled to removed doors, but the cost increases
Solution Approach 1:
The door holder on the carrier is designed as a multi-functional unit that can hold doors, receive removed doors, and facilitate component assembly. This universal design eliminates the need for separately constructing a dedicated door-component assembly line, reducing both construction cost and system complexity while maintaining full manufacturing capability.
Data Source
AI summary
Doors D (collectively representing doors D1 and D2) are removed from a vehicle body W, and are mounted to door holders 4 which are put laterally outside a base 2. While a carrier 1 is conveyed downstream with the door holders 4 kept holding the doors D and put outside the base 2 in the lateral directions, and, components are assembled to the doors D. Thereafter, the doors D to which the components are assembled are removed from the door holders 4, and are mounted to the vehicle body W.