Detachable Chassis Frame Reinforcement for Vertical Module Assembly

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Solution Overview

Problem

The existing chassis frames face difficulties in assembly due to the vertical loading constraint of heavy modules, which reduces stiffness and leads to deformation or bending during transportation and storage, making the assembly process cumbersome.

Innovation Solution

A chassis frame design featuring detachable reinforcing members connected to the lower portions of adjacent partitions, allowing for vertical loading and assembly of modules while maintaining stiffness, comprising first and second end portions with reinforcing brackets and stoppers for enhanced stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the lower frame is removed to facilitate module assembly, then the ease of operation improves, but the strength of the chassis frame deteriorates

Engineering Contradiction:
Improvemodule assemblyVSAvoidchassis frame stiffness
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

The lower frame is segmented into a removable reinforcing member portion and a fixed support portion. The reinforcing member can be detached to facilitate module assembly, while the support portion remains to maintain chassis stiffness. This segmentation allows the system to switch between assembly mode and structural integrity mode.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The lower frame transitions from a static structure to a dynamic one where the reinforcing member can be attached or detached based on operational needs. When attached, it provides maximum stiffness; when detached, it allows easy module assembly. This dynamic configuration resolves the contradiction between assembly ease and structural strength.

Inventive Principle:
Principle #15Dynamics

2Strength

If the lower frame is kept intact to maintain stiffness, then the strength of the chassis frame improves, but the ease of operation deteriorates

Engineering Contradiction:
Improvechassis frame stiffnessVSAvoidmodule assembly
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The lower frame is divided into permanent support structures that maintain chassis stiffness and removable reinforcing members that can be detached during assembly. This segmentation allows the permanent structures to provide continuous structural support while the removable parts can be taken away to facilitate module installation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The lower frame incorporates dynamic elements where reinforcing members can be attached or removed based on assembly requirements. The permanent support structures remain intact to maintain stiffness, while the dynamic reinforcing members are temporarily removed during assembly and reattached after assembly to restore full structural integrity.

Inventive Principle:
Principle #15Dynamics

3Productivity

If heavy modules are laterally loaded into mounting spaces, then the productivity improves, but the device complexity increases

Engineering Contradiction:
Improveassembly speedVSAvoidassembly process complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

Instead of laterally inserting modules into closed mounting spaces, the design inverts the approach by removing the lower reinforcing members to create open access from below. This allows modules to be vertically loaded upward into the mounting spaces, simplifying the assembly process and enabling the use of heavy modules that would be difficult to maneuver laterally.

Inventive Principle:
Principle #13The other way round (Inversion)

Solution Approach 2:

The lower reinforcing members are temporarily extracted or removed to create open mounting spaces that allow vertical loading of modules. After module installation, the reinforcing members are reattached. This extraction temporarily increases device complexity but enables significantly simpler and faster module assembly, improving overall productivity.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS11904943B2Chassis frame
Publication Date: 2024.02.20 HYUNDAI MOTOR CO LTD
  • US11904943B2 patent drawing
  • US11904943B2 patent drawing
  • US11904943B2 patent drawing

AI summary

An embodiment chassis frame includes a plurality of partitions extending downwardly from an upper frame and having lower portions and a reinforcing member detachably connected to the lower portions of adjacent ones of the partitions. An embodiment chassis frame includes a plurality of partitions extending downwardly from an upper frame and having lower portions and a reinforcing member detachably connected to the lower portions of adjacent ones of the partitions, the reinforcing member including a first end portion and a second end portion opposing the first end portion, the first end portion and the second end portion detachably connected to the lower portions of the corresponding partitions, respectively, and a second reinforcing bracket at least partially surrounding an exterior surface of the second end portion, the second reinforcing bracket detachably connected to the lower portion of the corresponding partition through a second bolt and a second nut.