Batting Tee Damped Return Mechanism
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Solution Overview
Problem
Existing batting tees require batters to manually retrieve and reposition the ball after each hit, leading to time-consuming and tiring practice sessions, especially for solo practitioners, which often results in shortened practice sessions due to the lack of engagement and the need for a confined space to prevent ball separation during swings.
Innovation Solution
A batting tee with a swing arm and a damped return mechanism that includes a mechanical energy storage device, such as a torsion spring, and a rotary damper, allowing for controlled slow return of the swing arm to its standby position, enabling batters to practice in confined areas without a net or screen, and providing adjustable timing for hand-eye coordination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a mechanical energy storage device is used to return the swing arm to standby position, then automation is improved, but the return speed is uncontrollably fast
Solution Approach 1:
A damper is introduced as an intermediary component between the mechanical energy storage device and the swing arm. The damper mediates the energy release process, converting the fast spring-driven motion into a controlled slow return movement, allowing automation while controlling speed.
Solution Approach 2:
The damping coefficient of the damper is adjusted to control the return speed parameter. By changing the damping parameter, the system transforms the uncontrollably fast return motion into a controlled slow movement at a predetermined speed suitable for batting practice.
2Productivity
If the swing arm returns quickly to standby position, then productivity is improved, but hand-eye coordination training is reduced
Solution Approach 1:
The return time parameter is precisely controlled by adjusting the damper characteristics. The system sets the return time to approximately 1-6 seconds, which is long enough for hand-eye coordination training but short enough to maintain practice efficiency and prevent boredom.
3Reliability
If a net or screen is used to contain the ball, then reliability is improved, but device complexity and space requirements increase
Solution Approach 1:
The ball containment function is extracted from the external net/screen system and integrated into the swing arm mechanism itself. The swing arm acts as both the ball delivery mechanism and the containment barrier, eliminating the need for separate containment equipment.
Solution Approach 2:
The swing arm is designed to perform multiple functions: delivering the ball to the batter, containing the ball during practice, and automatically returning to standby position. This multi-functionality eliminates the need for additional equipment like nets or screens.
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 controlled slow return of the swing arm allows for brief intervals between swings, improving hand-eye coordination and enabling batters to practice more effectively in confined spaces without the need for additional equipment, while also allowing for easy portability and use in various locations.
Implementation Method 1
a mechanical energy storage device arranged to store mechanical energy when the swing arm swings about the rotation axis of the axle in one direction from a standby position to a deflected position
Implementation Method 2
a damper arranged to damp swinging of the swing arm about the rotation axis of the axle in another direction opposite to the one direction from the deflected position to the standby position
Data Source
AI summary
A batting tee that includes a return mechanism, a swing arm connected to the return mechanism to swing about a rotation axis, a strike target connected to the swing arm, and a base supporting the return mechanism and the swing arm, the return mechanism including a mechanical energy storage device that stores mechanical energy when the swing arm swings in one direction in response to a batter's striking of the strike target, and a damper that slows down the swinging of the swing arm in the opposite direction as the swing arm swings back by the force supplied by the mechanical energy storage device.