Ski Exercise Machine Gyroscope and Elastic Step Board
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Solution Overview
Problem
Conventional ski exercise machines lack cushioning and restoring forces during pedaling, leading to user discomfort, potential injury, and inability to track training data, making the exercise inefficient and uninformative.
Innovation Solution
A ski exercise machine with a movable step board assembly featuring an elastic unit and gyroscopes, providing buffering and restoring forces, and enabling data collection on pedaling motion for improved training modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the movable pedal is made swingable to simulate skiing motion, then the training effectiveness is improved, but the pedal lacks cushioning force causing it to fall directly to maximum angle and injure the user's ankles
Solution Approach 1:
The patent introduces an elastic unit with elastic elements (springs or rubber bands) connected between the movable pedal and the fixed pedal. This elastic unit provides beforehand cushioning by absorbing impact energy and providing restoring force during the swinging motion, preventing the movable pedal from falling directly to maximum angle and thereby protecting the user's ankles from injury while maintaining the skiing motion simulation functionality
2Device complexity
If the movable pedal is made swingable without restoring force, then the structure is simple, but the user's ankles have to exert large force and become tired or injured
Solution Approach 1:
The elastic unit is configured to automatically provide restoring force during the swinging motion of the movable pedal. The elastic elements (springs or rubber bands) store energy during compression and release it to return the pedal to its initial position, enabling the system to self-service by eliminating the need for external motors or complex mechanical return mechanisms, thus maintaining structural simplicity while reducing user effort
3Device complexity
If no detection system is added to the movable pedal, then the device complexity is low, but the user cannot collect swinging information or data to improve training mode
Solution Approach 1:
The patent incorporates a detection unit (such as sensors or encoders) on the movable pedal that detects swinging information including angle, speed, and acceleration. This detection unit transmits data to a processing unit that analyzes the training performance and provides feedback to the user through a display or control interface, enabling continuous improvement of training mode based on collected data while maintaining relatively simple device complexity through modular integration
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The elastic unit absorbs shock, reduces user effort, prevents injury, and allows for smooth operation, while gyroscopes transmit pedaling data for enhanced training experiences.
Implementation Method 1
an elastic unit mounted between the movable step board and the support rack... the elastic members of the elastic unit are mounted between the movable step board and the support rack, to provide a buffering force and a shock-absorbing effect
Implementation Method 2
at least one gyroscope mounted on the movable step board. The at least one gyroscope detects and derives a swinging information of the movable step board
Data Source
AI summary
A ski exercise machine includes a main frame, a support rack mounted on the main frame, a rotation shaft module mounted on a top of the support rack, a movable step board mounted on a top of the rotation shaft module, an elastic unit mounted between the movable step board and the support rack, and at least one gyroscope mounted on the movable step board. The movable step board is movably pivoted and swung relative to the support rack. The at least one gyroscope detects and derives a swinging information of the movable step board when the movable step board is swung relative to the support rack.