Side-Assembling Transmission Mount for Vehicle Subframe
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Solution Overview
Problem
Existing transmission mount assembly methods require significant investment and pose safety risks due to high-position work and the need for multiple manufacturing lines, especially when transitioning between 4-point and 3-point subframe structures, leading to increased costs and potential accidents.
Innovation Solution
A side-assembly type transmission mount design featuring a cylindrical insulator, core with longitudinal holes, side stopper, and longer bolts that protrude outside the case, allowing for side-fastening without altering existing manufacturing lines, reducing the need for high-position work and additional workers, and enabling simultaneous production of different subframe types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If bolts are inserted from above to fasten transmission mount, then assembly is completed, but safety accidents occur due to high-position work
Solution Approach 1:
The patent inverts the traditional fastening direction by inserting bolts from the side horizontally rather than from above vertically. This inversion allows workers to perform assembly at ground level instead of high positions, eliminating safety hazards while completing the fastening operation
2Productivity
If manufacturing line is changed for H-type subframe, then production efficiency is improved, but investment cost increases
Solution Approach 1:
The side-fastening transmission mount design is universally applicable to both H-type and #-type subframes. This multi-functionality allows the same manufacturing line and assembly process to produce both subframe types without requiring separate production lines, thereby improving productivity while avoiding additional investment costs
3Adaptability or versatility
If mixed manufacturing of frames is performed, then product variety is increased, but additional workers are required
Solution Approach 1:
The transmission mount design enables a single manufacturing line to produce both H-type and #-type subframes using the same assembly process. This universality allows mixed manufacturing of different frame types without requiring additional specialized workers, thus increasing product variety while maintaining stable workforce levels
4Object-affected harmful factors
If side-fastening method is used, then safety accidents are prevented, but assembly structure complexity increases
Solution Approach 1:
The patent changes the fastening direction from vertical (from above) to horizontal (from side), which prevents safety accidents by enabling ground-level assembly. The side stopper structure with protrusions provides simple positioning guidance for the bolts, ensuring that the inverted assembly method does not significantly increase structural complexity
Data Source
AI summary
A transmission mount type of side assembling includes a cylindrical insulator; a core having a plurality of longitudinal holes and inserted in the insulator; a side stopper having a support connected to one end of the core in contact with the inner side of the insulator and a protrusion protruding outside the insulator from the support; a cylindrical case accommodating the core, the side stopper, and the insulator; and a plurality of bolts that is longer than the case and inserted through holes in the core and the side stopper from a side to protrude outside the case, such that it can simplify the assembly process of fastening a transmission to a car body and reduce the manufacturing cost, without changing the existing manufacturing line, and ensure safety in assembly.