Fan Blade Removal Tool With Quick-Lock Hub Cover
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional methods for removing fan blades from a shaft driven by a motor often result in damage to the shaft, motor, and fan blades, making it desirable to develop a method that preserves their integrity.
Innovation Solution
A fan removal tool kit and method that includes a hub cover, extender, and head with set screws and quick-locking mechanisms to securely attach components, allowing for the removal of fan blades without causing damage, using a combination of radial holes, set screws, and detents to ensure secure engagement and controlled removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional hammering method is used to remove fan blades, then the removal process is simple and quick, but damage occurs to the shaft, motor, and fan blades
Solution Approach 1:
The patent introduces a specialized removal tool that acts as an intermediary between the user and the fan blade assembly. This tool includes a hub cover that fits over the fan blade hub, an extender that reaches the shaft, and a head with an elongate member that applies controlled force. The intermediary tool distributes the removal force evenly across the hub and shaft interface, preventing concentrated stress that would cause damage to the shaft, motor, or fan blades while still enabling efficient removal.
2Object-affected harmful factors
If controlled force is applied to preserve component integrity, then damage is minimized, but the removal process becomes more complex
Solution Approach 1:
The removal tool is divided into distinct functional segments: a hub cover segment that interfaces with the fan blade hub, an extender segment that bridges the gap to the shaft, and a head segment with an elongate force-applying member. Each segment performs a specific function and can be independently manufactured and assembled. This segmentation allows the complex overall function to be achieved through simpler, modular components that are easier to manufacture and maintain.
Data Source
AI summary
A fan decoupling apparatus for removing fan blades from a shaft includes a hub cover and an attachment removably connected to the hub cover. The hub cover includes a hub end to interface with a hub of the fan blades; a hub cover quick-locking end opposite the hub end; a hub cover axial hole extending from the hub end to the hub cover quick-locking end; and a non-threaded hub cover radial hole extending from the hub cover axial hole to an outer surface of the hub cover. The attachment includes an attachment quick-locking end to removably connect to the hub cover quick-locking end; a receiving end opposite the attachment quick-locking end; and an attachment axial hole extending from the attachment quick-locking end to the receiving end, the attachment axial hole including a threaded portion nearer the receiving end than the attachment quick-locking end.