Target Throwing Turret Sliding Interface for Stable Rotation
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Solution Overview
Problem
Existing target throwing machines face instability and unbalanced mass distribution during the throwing phase, leading to vacillation and increased energy consumption due to oversized connection mechanisms, which affect accuracy and manufacturing costs.
Innovation Solution
A target throwing machine with an intermediate system between the base and turret, utilizing a sliding interface with controlled friction coefficients and self-lubricating materials to stabilize the turret's rotation, reducing the need for a robust shaft and optimizing inertia.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a robust shaft with two bearings is used to ensure stable rotation of the turret, then the rotation stability is improved, but the device height increases by 60 to 200 mm and manufacturing cost increases
Solution Approach 1:
The patent removes the complex shaft and bearing assembly from the structure, replacing it with a simplified direct connection between the turret and base. This extraction of the unnecessary robust shaft eliminates the height increase while maintaining rotation stability through the optimized sliding interface and inertia-based stabilization.
Solution Approach 2:
The patent introduces an intermediate sliding interface system between the turret and base that uses controlled friction and self-lubricating materials. This intermediary mechanism provides the necessary stability without requiring the height of traditional bearing assemblies, achieving a compromise between stability and compactness.
2Ease of operation
If a robust shaft is used to transmit high torque for controlled turret rotation, then the rotation control is improved, but the manufacturing cost and energy consumption increase
Solution Approach 1:
The patent replaces the complex mechanical shaft and bearing system with a simplified sliding interface mechanism. This substitution reduces manufacturing complexity and cost while maintaining rotation control through the optimized friction characteristics and inertia-based stabilization, eliminating the need for expensive precision bearings and shaft assemblies.
Solution Approach 2:
The sliding interface uses self-lubricating materials that provide automatic lubrication without external intervention. This self-service mechanism reduces the need for complex torque transmission systems while maintaining controlled rotation, lowering both manufacturing cost and energy consumption compared to traditional motor-driven shaft systems.
3Manufacturing precision
If a robust shaft and bearing system is used to ensure stable rotation, then the rotation accuracy is improved, but the energy consumption increases
Solution Approach 1:
The patent employs dynamic inertia-based stabilization instead of static mechanical support. The optimized mass distribution and moment of inertia provide automatic stabilization during rotation, eliminating the need for continuous energy input to maintain accuracy. The sliding interface with controlled friction enables smooth rotation while the inertia characteristics maintain precision without additional energy consumption.
Solution Approach 2:
The patent replaces the energy-consuming bearing system with a passive sliding interface mechanism. This substitution eliminates the friction losses associated with traditional bearings while maintaining rotation accuracy through optimized surface contact and inertia-based stabilization, significantly reducing energy consumption during turret rotation.
4Stability of the object's composition
If the turret rotation mechanism is optimized for stable rotation, then the rotation smoothness is improved, but the machine becomes more susceptible to vacillation at the end of throw
Solution Approach 1:
The patent optimizes the friction coefficient parameter of the sliding interface to achieve a balance between rotation smoothness and vacillation prevention. By carefully selecting materials and surface treatments, the system achieves sufficient friction for smooth controlled rotation while preventing excessive friction that would cause vacillation at the end of the throwing cycle. The inertia parameters are also optimized to match the rotation profile.
Solution Approach 2:
The patent uses dynamic inertia-based stabilization that adapts to the rotation phase. During rotation, the inertia provides smooth motion, while during the stopping phase at the end of throw, the optimized friction characteristics prevent vacillation by providing sufficient damping without causing oscillations. This dynamic balance eliminates the harmful vacillation effect.
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 solution enhances stability, reduces device size, and lowers energy consumption while maintaining accuracy, by allowing a simplified and cost-effective rotation of the turret relative to the base.
Implementation Method 1
an intermediate system is interposed between the upper surface and the lower surface, the intermediate system being in contact with the upper surface and with the lower surface and forming a sliding interface between the intermediate system and the upper surface and/or the lower surface
Data Source
AI summary
A target throwing machine includes a base and a turret surmounted by a throwing unit, the turret being movable in rotation relative to the base according to a main axis. The base includes an upper surface and the turret includes a lower surface opposite the upper surface. In which machine an intermediate system is interposed between the upper surface and the lower surface, the intermediate system being in contact with the upper surface and the lower surface and forming a sliding interface between the intermediate system and the upper surface and/or the lower surface.