Four-Wheeled Motorcycle Frame Assembly With Positioning Plates
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Solution Overview
Problem
Existing four-wheeled motorcycles suffer from precision issues in the stability of the assembled frame, resulting in the assembled frame, resulting in the assembled frame, resulting in the assembled frame, resulting in the assembled frame, resulting in the assembled frame, resulting in low stability, high assembly difficulty, and high manufacturing costs.
Innovation Solution
A novel four-wheeled motorcycle design featuring a frame with symmetric support beams, reinforcement insurance portions, and a detachable body, incorporating U-shaped support tubes, extension tubes, and positioning plates for precise assembly and improved structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional frame assembly methods are used, then manufacturing cost is reduced, but assembly precision is insufficient resulting in low stability
Solution Approach 1:
The frame is divided into multiple independent support beams that can be manufactured separately with high precision, then assembled together using positioning plates and connecting components. This segmentation allows each component to be optimized for manufacturing while maintaining overall assembly precision.
Solution Approach 2:
Positioning plates and connecting components serve as intermediary elements between support beams, enabling precise alignment and assembly. These intermediaries compensate for manufacturing tolerances and ensure accurate fit without requiring extremely tight manufacturing tolerances on individual components.
2Productivity
If traditional frame assembly methods are used, then manufacturing cost is reduced, but assembly time is long and assembly is difficult
Solution Approach 1:
Positioning plates and connecting components are pre-designed and pre-positioned on the support beams before final assembly. This preliminary preparation simplifies the actual assembly process by eliminating the need for complex alignment procedures during assembly operations.
Solution Approach 2:
Multiple frame components are combined into integrated assemblies (such as the connection support unit combining U-shaped support tubes, inclined sections, and straight sections) that can be installed as single units, reducing the number of separate assembly operations required.
3Strength
If traditional frame structure is used, then manufacturing cost is reduced, but structural strength is insufficient
Solution Approach 1:
The frame employs composite construction combining different materials and structural forms (metal support beams, plastic positioning plates, reinforced connection sections) to achieve optimal strength-to-weight ratio and structural integrity while controlling manufacturing costs.
Solution Approach 2:
The U-shaped support tubes and curved connecting sections provide enhanced structural strength through optimized geometric forms that better distribute mechanical loads, improving overall frame rigidity without significant cost increase.
Data Source
AI summary
A novel four-wheeled motorcycle is provided. A body is detachably provided on a frame. The frame includes two support beams provided symmetrically with each other. An upper frame cover installation frame is provided on the front halves of the support beams. A steering gear bracket is provided below the upper frame cover installation frame. A connection support unit is provided between the upper frame cover installation frame and the reinforcement insurance portion. Outer extension frames are respectively provided on outer sides of the rear halves of the support beams. Inner extension frames are provided between the outer extension frames, and each of the inner extension frames is connected to an inner side of each of the support beams. Upper sides of the rear halves of the support beams are synchronously connected to a support frame.