ELECTROMAGNETIC MULTIAXIAL FATIGUE TESTING MACHINE

Title:

ELECTROMAGNETIC MULTIAXIAL FATIGUE TESTING MACHINE

Document Type and Number:

WIPO Patent Application WO/2017/000395

Kind Code:

A1

Abstract:

Provided is an electromagnetic multiaxial fatigue testing machine, comprising a test specimen fixing platform (1) and an electromagnetic loading mechanism on a machine frame (2). The electromagnetic loading mechanism comprises a first loading device for bend loading and a second loading device for axial and torsional loading. The first loading device comprises a first permanent magnet (15) and a first electromagnet (6) having a direction of the magnetic force therebetween axially orthogonal to a test specimen (39). The second loading device comprises a second permanent magnet (16) and a second electromagnet (7) mounted on a swing pair and having a direction of the magnetic force therebetween axially parallel to the test specimen (39). The present invention uses the electromagnetic principle for loading, and therefore no mechanical friction occurs. Furthermore, different loading modes can be selected according to the actual force requirement of the test specimen (39) to perform a uniaxial or multiaxial fatigue test on the specimen (39), thereby improving the test efficiency and reducing noise and cost of the test.

Inventors:

JI BOHAI (CN)
XIE FAXIANG (CN)
CHEN LIN (CN)
FU ZHONGQIU (CN)

Application Number:

PCT/CN2015/090134

Publication Date:

January 05, 2017

Filing Date:

September 21, 2015

Export Citation:

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Assignee:

UNIV HOHAI (CN)

International Classes:

G01N3/38

Foreign References:

CN104990820A	2015-10-21
CN103900916A	2014-07-02
CN104132857A	2014-11-05
CN101620043A	2010-01-06
US6718833B2	2004-04-13
CN203643254U	2014-06-11
JP5225949B2	2013-07-03

Other References: