Vertical double-shaft four-cylinder electro-hydraulic servo testing machine
Title：
Vertical double-shaft four-cylinder electro-hydraulic servo testing machine
Application Number：
 200610012089
Application Date：
 2006/06/02
Announcement Date：
 2006/11/22
Pub. Date：
Publication Number：
 1865910
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G01N 3/12, G01N 3/00
Applicant(s)：
 Tsinghua University
Inventor(s)：
 Fang Daining, Li Yueguang, Bao Pei, Dong Qishun, Ding Guolong, Han Wei, Pei Yongmao
Key Words：
 Vertical, double-shaft, four-cylinder, electro-hydraulic servo, testing machine
Abstract：
 The vertical dual-shaft four-cylinder electrohydraulic servo testing machine comprises: a hydraulic pressure drive for dual-direction stress filed, a four-cylinder drive fit to any loading path, a differential close-loop servo system, a function generator fit to different waves, a position transfer device fit to assemble the test piece, a guide plate and linear rail to ensure co-shaft and avoid bending. This invention is very convenient.
Claim：
Priority：
PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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