Slotted Clamping Ring Hub for Torque Transfer and Anti-Rotation
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Solution Overview
Problem
Existing clamping connections lack optimized force distribution, leading to inefficiencies in securing and preventing twist during assembly, particularly in shaft-hub connections.
Innovation Solution
A clamping connection featuring a clamping ring with a screw attached to a hollow shaft section, incorporating a disk and recess design that allows for axial securing and anti-twist protection, with a hub having an axial slot for elastic deflection and optimized force distribution around the circumference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional clamping connection is used, then the assembly is simple, but the force distribution around the circumference is not optimized
Solution Approach 1:
The clamping ring is segmented by introducing axial slots that divide the ring into sections. This segmentation allows independent elastic deflection of each section, enabling optimized force distribution around the circumference while maintaining overall clamping functionality.
Solution Approach 2:
The axial slots create local flexibility zones within the clamping ring structure. These localized flexible regions allow the ring to deflect elastically in specific areas, optimizing force distribution at critical locations without compromising the overall structural integrity.
2Strength
If the hub is rigid, then the structural strength is high, but the hub cannot deflect elastically during clamping
Solution Approach 1:
The hub is divided into rigid sections and flexible slots. The rigid portions maintain structural strength while the axial slots provide elastic deflection capability, allowing the hub to adapt during clamping while preserving overall strength.
Solution Approach 2:
The axial slots create flexible regions within the hub structure that can elastically deflect during clamping. These flexible zones allow the rigid hub to adapt to dimensional variations and achieve proper clamping force distribution.
3Reliability
If the clamping ring is shrunk onto the shaft, then the connection is secure, but the positioning precision and anti-rotation protection are insufficient
Solution Approach 1:
A keyway is introduced into the otherwise symmetric clamping ring structure. This asymmetric feature provides anti-rotation protection and precise positioning of the clamped shaft, preventing rotational movement while maintaining the secure shrunk-fit connection.
Solution Approach 2:
The keyway acts as an intermediary element between the clamping ring and shaft. It provides the necessary anti-rotation function and positioning precision, complementing the radial clamping force without interfering with the shrunk-fit connection mechanism.
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 ensures precise positioning and secure clamping with defined force distribution, enhancing the ability to transmit high torque effectively while preventing axial and rotational misalignment.
Implementation Method 1
the hub can deflect more elastically during clamping than without an axial slot
Implementation Method 2
a clamping connection is a force-fit connection
Data Source
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AI summary
The invention relates to a clamping connection comprising a clamping ring mounted on a hub, particularly a hollow shaft section, with a screw, particularly a clamping screw, wherein a further shaft, particularly a solid shaft section of a further shaft, is inserted into said hub, the clamping ring has a slot which, with respect to the shaft axis, extends continuously axially and in the radial direction, and a disc, particularly a perforated disc, is arranged in the slot, wherein the screw projects through the disc and the disc projects into a depression formed in the hub.