Rotating Leg Training Machine Resolving Versatility Complexity Trade-off
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Solution Overview
Problem
Existing training machines have fixed structural designs, limiting the variety of fitness movements that can be performed, which restricts the ability to effectively build diverse muscle groups.
Innovation Solution
A training machine with a rotating device that allows the first leg to move around the second leg, enabling a wider range of fitness movements by adjusting the rotating angle between the first and second arms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed structural design is used for the training machine, then the device complexity is reduced and ease of manufacture is improved, but the adaptability and variety of fitness movements are limited
Solution Approach 1:
The training machine employs a rotating device that enables the first leg to rotate around the second leg, transforming the structure from static to dynamic. This rotational mechanism allows the exercise arm to change positions and angles, enabling multiple fitness movements including chest press, shoulder press, and lateral raise, thereby resolving the contradiction between structural simplicity and movement versatility
Solution Approach 2:
The training machine is designed with a universal structure where the first leg can perform multiple functions by rotating to different positions. The same basic structure supports various exercises targeting different muscle groups, making the device multi-functional without requiring separate machines for each exercise type
2Adaptability or versatility
If more functions are added to the training machine to fulfill diverse exercise requirements, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The training machine is divided into functional segments: a fixed second leg serving as the base, and a rotating first leg serving as the exercise arm. This segmentation allows the complex functionality to be achieved through a simple rotational joint rather than multiple complex mechanisms, reducing overall structural complexity while maintaining versatility
Solution Approach 2:
Multiple exercise functions are merged into a single rotating mechanism. By combining the chest press, shoulder press, and lateral raise capabilities into one rotational system, the design achieves high adaptability without proportionally increasing structural complexity
Data Source
AI summary
A training machine and a training system are provided. The training machine includes a rack and a driving device. The rack includes a first leg, a second leg, and a rotating device configured to enable the first leg to move around the second leg. The driving device is disposed on the first leg and configured to drive a weight to move along the second leg. The rotating device comprises a first arm horizontally extending from the first leg, and a second arm horizontally extending from the second leg, and the first arm is configured to rotate relatively to the second arm.