A piezoelectric ceramic shear strength testing device

By employing a combination of a placement groove and a limiting plate in the piezoelectric ceramic shear strength testing device, along with a detachable test plate and bolt connections, the problems of slippage and uneven loading of piezoelectric ceramic specimens during testing were solved, achieving high-precision shear strength testing and device stability.

CN224383023UActive Publication Date: 2026-06-19SHANDONG ZHIDA MICRO TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG ZHIDA MICRO TECHNOLOGY CO LTD
Filing Date
2026-05-15
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing piezoelectric ceramic shear strength testing devices suffer from problems such as piezoelectric ceramic specimens being prone to slippage or warping during testing, shifting of the shear force surface, large dispersion of test results, and data distortion and device damage caused by uneven loading.

Method used

The test base uses a placement slot to achieve horizontal limiting, and the limiting plate provides vertical limiting. Shear strength testing is achieved through the linear movement of the test column. The combination of a detachable test plate and bolt connection ensures stable positioning and uniform loading of the piezoelectric ceramic specimen.

Benefits of technology

It improves the accuracy and repeatability of shear strength testing, avoids slippage and local stress concentration in piezoelectric ceramic specimens, ensures the reliability of test results and the stability of the device, and extends service life.

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Abstract

This application discloses a piezoelectric ceramic shear strength testing device, belonging to the technical field of testing equipment. The device includes: a base, a test column, a test base, and a limiting plate. The base has a through hole extending vertically, and its upper surface has a groove. The test column is placed in the through hole and can move vertically along it. A downward-opening test groove is provided on the outer wall of the test column, and the top of the test column is connected to a driving mechanism. The test base is placed in the groove, and its upper surface has a horizontal placement groove for placing piezoelectric ceramic specimens. The placement groove and the test groove face each other. The limiting plate is positioned above the test base. This device provides circumferential limiting for the piezoelectric ceramic specimens, effectively preventing slippage, warping, or skew during shear loading, thus improving the accuracy and repeatability of the shear strength test.
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