Actuator anti-rotation bracket positioning device
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Solution Overview
Problem
Anti-rotation brackets in actuators often face issues with eccentric loading during operation, leading to potential damage and reduced torque transfer due to off-centered mounting, which existing solutions fail to adequately address, especially in constrained environments with limited user visibility.
Innovation Solution
The actuator assembly incorporates a positioning device with a spring clip that self-centers the anti-rotation bracket during installation and accommodates eccentric motion by transitioning between configurations to ensure securement slot alignment, allowing for efficient torque transfer and preventing binding or disengagement during operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the securement element is positioned at the center of the securement slot, then torque transfer efficiency is improved, but the actuator cannot accommodate eccentric loading during operation
Solution Approach 1:
The positioning device transitions from a static first configuration during installation to a dynamic second configuration during operation. The moveable legs can shift positions along the slot, allowing the securement element to maintain optimal engagement while accommodating eccentric motion of the actuator shaft during operation.
Solution Approach 2:
The positioning device is pre-configured in the first position during installation to ensure proper initial engagement of the securement element. This preliminary positioning ensures correct alignment before operation begins, after which the device can transition to accommodate operational requirements.
2Manufacturing precision
If the positioning device restricts movement of the securement element, then mounting precision is improved, but the actuator cannot accommodate eccentric motion during operation
Solution Approach 1:
The positioning device employs moveable legs that can dynamically adjust their position along the slot. During installation, the legs restrict movement to ensure precise mounting. During operation, the legs can move to accommodate eccentric motion, resolving the contradiction between precision and adaptability.
Solution Approach 2:
The positioning device is divided into multiple moveable legs that can independently adjust along the slot. This segmentation allows different parts of the positioning device to serve different functions at different times - restricting movement during installation and accommodating motion during operation.
3Stability of the object's composition
If a rigid positioning structure is used, then positioning stability is improved, but the device cannot accommodate eccentric loading and motion
Solution Approach 1:
The positioning device uses moveable legs that provide stability during installation through their constrained configuration, then transition to accommodate eccentric motion during operation. This dynamic adaptability resolves the contradiction between rigidity for stability and flexibility for adaptability.
Solution Approach 2:
The positioning device changes its geometric parameters - specifically the position of its moveable legs along the slot - to adapt between installation and operation phases. This parameter change allows the same structure to provide both stability and adaptability under different conditions.
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
This solution effectively minimizes the risks of binding and disengagement, ensuring stable operation and efficient torque transfer by intuitively guiding the anti-rotation bracket into a centered configuration, accommodating eccentric motion and maintaining securement slot flexibility.
Implementation Method 1
The positioning device includes a spring clip that self-centers the anti-rotation bracket during installation and accommodates eccentric motion by transitioning between configurations
Data Source
AI summary
During installation, an engagement structure of an actuator assembly positioning device restricts movement of a securement element of an anti-rotation bracket past a target location (e.g. midpoint) relative to a securement slot of an thereby, thereby guiding a user in positioning the anti-rotation bracket and actuator in a desired mounting arrangement. An optional constricting structure of the positioning device provides tactile feedback that the desired arrangement of the anti-rotation bracket and actuator has been reached. Upon being subject to a force in excess of a threshold force (e.g., as a result of eccentric loading on the actuator arising from an off-centered mounting of the actuator relative to a rotatable shaft), the engagement structure transitions to a second configuration in which the securement element is allowed to move past the target location, thereby accommodating eccentric movement of the actuator during operation.