A method and device for testing eccentric-torsional fatigue of rubber bushings

By combining the methods of fixed angle deflection and dynamic angle torsion loading, the rubber bushing fatigue test device is simplified, and efficient bias torsion fatigue test of multiple rubber bushings is realized, solving the problems of large resource requirements and complex structure of existing devices, and improving the test efficiency and accuracy.

CN114791396BActive Publication Date: 2025-09-05BOGE RUBBER&PLASTICS ZHUZHOU CO LTD
1 Cites 0 Cited by

Patent Information

Application Number
CN202210428683.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-04-22
Publication Date
2025-09-05
Estimated Expiration
2042-04-22

AI Technical Summary

Technical Problem

The existing rubber bushing fatigue testing device requires two oil cylinders to be deflected and torsionally loaded respectively. The resource requirements are large and the structure is complex, making it difficult to conduct fixed-angle deflection and dynamic-angle torsion fatigue tests on multiple rubber bushings at the same time.

Method used

The combination of fixed-angle deflection loading and dynamic angle torsion loading is adopted. The rubber bushing is subjected to fixed-angle deflection loading through deflection tooling and clamping tooling, and the torsion drive is used for dynamic angle torsion loading, which is simplified to use a single drive piece and multiple rubber bushings are connected in series for fatigue tests.

Benefits of technology

It realizes efficient multiple rubber bushings at the same time torsion fatigue test, saves test resources, simplifies the device structure, improves test efficiency, and ensures test accuracy and stability.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The present invention relates to the technical field of fatigue testing of rubber vibration damping parts, and specifically discloses a method for eccentric-torsional fatigue testing of rubber bushings. While keeping the central axis of the rubber bushing in a fixed position, the deflection angle of the rubber bushing is limited by using a deflection fixture, and the deflection angle limited by the deflection fixture is fixed by using a clamping fixture to perform fixed-angle deflection loading on the rubber bushing. Then, the torsional drive component is fixed to the central axis of the rubber bushing and the rubber bushing is subjected to dynamic-angle torsional loading. The present invention performs eccentric-torsional fatigue testing on rubber bushings by combining fixed-angle deflection loading and dynamic-angle torsional loading, which can save test resources and improve test efficiency. At the same time, the present invention also provides a test device for performing eccentric-torsional fatigue testing on rubber bushings using the above-mentioned test method.
Need to check novelty before this filing date? Find Prior Art