Snap-Mount Valve Actuator Assembly for Cramped Installation
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Solution Overview
Problem
Existing valve actuator installations face challenges in cramped and poorly illuminated spaces due to difficulty in accessing components for installation and maintenance, with errors often requiring complete removal and reinstallation for simple orientation changes.
Innovation Solution
A valve actuator assembly with a mounting system that allows securement to a valve shaft without the actuator present, enabling easy installation and orientation changes, including snap attachments and mechanisms for easy removal, allowing for clockwise and counter-clockwise rotation adjustments without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the actuator is pre-assembled with the actuator mounting assembly, then the installation structure is simplified, but the difficulty of installation and maintenance increases in cramped spaces
Solution Approach 1:
The actuator system is divided into two separate components: the actuator mounting assembly (which includes the shaft adapter and mounting bracket) and the actuator itself. This segmentation allows the mounting assembly to be installed on the valve shaft first in cramped spaces, and the actuator to be attached later when access is more feasible, thereby simplifying the overall installation process in difficult-to-reach areas.
Solution Approach 2:
The actuator mounting assembly is installed on the valve shaft in advance, before the actuator is attached. This preliminary action allows the mounting structure to be securely positioned in cramped spaces where final actuator attachment will be difficult, and enables later easy removal or reorientation of the actuator by simply detaching it from the pre-installed mounting assembly.
2Strength
If the actuator is permanently fixed to the valve shaft, then the connection strength is maximized, but the ease of maintenance and reorientation deteriorates
Solution Approach 1:
The connection between the actuator and valve shaft is made dynamically adjustable rather than permanently fixed. The mounting assembly includes a release mechanism that allows the actuator to be easily detached and reattached in different orientations, providing both strong connection when installed and ease of maintenance when needed.
Solution Approach 2:
The actuator can be easily removed from the actuator mounting assembly when maintenance or reorientation is needed, and then reattached after the necessary work is completed. This allows for quick replacement or reconfiguration without permanent installation, facilitating maintenance while maintaining strong operational connection.
3Manufacturing precision
If the actuator is installed in the correct orientation from the beginning, then the installation accuracy is maximized, but the time and complexity of installation increases due to potential errors requiring complete removal
Solution Approach 1:
The actuator mounting assembly is installed first with clear orientation markings and features that guide proper actuator attachment. This preliminary setup ensures correct orientation is established early, and if errors occur, only the actuator needs to be detached and reattached rather than removing the entire assembly from the valve shaft, significantly reducing time loss from installation errors.
4Ease of operation
If the actuator mounting assembly includes a release mechanism, then the ease of operation for removal is improved, but the device complexity increases
Solution Approach 1:
The release mechanism is designed to be operated directly by the user without requiring additional tools or complex procedures. The actuator can be easily released from the mounting assembly through a simple manual operation, providing self-service capability that maintains ease of operation while keeping the added complexity minimal and justified by the significant improvement in maintenance accessibility.
Data Source
AI summary
A valve actuator assembly that include an actuator and an actuator mounting assembly. The actuator mounting assembly may be secured to a valve shaft without the actuator present, and the actuator may be secured to the actuator mounting assembly later. This can make it easier to mount the actuator mounting assembly, especially in cramped spaces. In some cases, the actuator may be wired where it is convenient, and then moved to the actuator mounting assembly and secured to the mounted actuator mounting assembly, sometimes with a simple snap attachment. In some cases, a button, lever or other mechanism may release the actuator from the actuator mounting assembly for easy removal.