Clamping set

DE102024124728A1Pending Publication Date: 2026-03-05RINGFEDER POWER TRANSMISSION
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Patent Information

Application Number
DE102024124728
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2026-03-05

AI Technical Summary

Technical Problem

Existing clamping sets for securing belt drums in mining operations suffer from significant dust generation and water ingress, leading to hydrogen embrittlement and inaccessibility of bolts, despite the use of watertight covers.

Method used

A clamping set with closed outer and inner rings and rust-protected screws, utilizing corrosion-resistant coatings like nickel plating, nitrocarburizing, and zinc flake coating, and incorporating visual or electrical preload indicators, eliminating the need for covers.

Benefits of technology

Prevents water ingress and rust, maintains bolt accessibility for torque verification, and ensures reliable clamping without dimensional changes, enhancing operational safety and efficiency.

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Abstract

The invention relates to a clamping assembly 1 suitable for clamping a cylindrical component with a body arranged concentrically to it, and comprising an outer ring 2 and an inner ring 3, which is arranged concentrically to and radially spaced from the outer ring 2, axially parallel pressure elements 6, 7, and screws 5 for connecting these pressure elements 6, 7. Such clamping assemblies are used in mining for fastening conveyor belts. During operation of these conveyor belts, water is used for dust suppression, which penetrates the belts and causes damage. The object of the present invention is to provide a clamping assembly that is better protected against the negative effects of water ingress.This problem is solved by a clamping set 1, which is characterized in that both the outer ring 2 and the inner ring 3 are closed in themselves and do not have an axially arranged slot, and the outer ring 2, the inner ring 3 and the screws 5 are protected against corrosion.
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Citation Information

Patent Citations

  • clamping set between a cylindrical component and a body arranged concentrically to it

    DE1099806B

  • DE7423987U

  • DE7602889U1

  • Clamping set for transferring torque transmission

    EP2251557A1

  • Method of making a fastening device for visually indicating tension

    US7958614B2