Title:
PRESSURE MAINTAINING DEVICE IN ROCK CREEP IMPACT AND MICRO-CRACK SCANNING EXPERIMENT, AND EXPERIMENTAL METHOD
Document Type and Number:
WIPO Patent Application WO/2021/248735
Kind Code:
A1
Abstract:
A pressure maintaining device in a rock creep impact and micro-crack scanning experiment, comprising three parts: a pressure bearing mechanism, constant-pressure locking mechanisms (3), and a pressure real-time monitoring and regulating mechanism; the pressure bearing mechanism comprises an upper panel (1), a lower panel (2) and a cylindrical panel; there are four constant-pressure locking mechanisms (3), which are respectively provided at four corners of the upper and lower panels (1, 2); and the pressure real-time monitoring and regulating mechanism is divided into three parts: a pressure sensor (5), a smart pressure control hub (7) and a hydraulic pressure supplement device (6), realizing real-time pressure detection and regulation in a pressure maintaining process. In a conventional mechanical experiment process of a rock specimen (4), a static load pressure of the rock specimen is instantly locked and stabilized, so that a real-time test on other physical mechanical properties of a coal and rock mass specimen in a mechanical loading test process is realized, and the study on the rock mechanical properties under multi-field coupling can be achieved.
Inventors:
HUANG WANPENG (CN)
SUN YUANXIANG (CN)
GAO LIN (CN)
FENG FAN (CN)
SUN YUANXIANG (CN)
GAO LIN (CN)
FENG FAN (CN)
Application Number:
PCT/CN2020/116800
Publication Date:
December 16, 2021
Filing Date:
September 22, 2020
Export Citation:
Assignee:
UNIV SHANDONG SCIENCE & TECH (CN)
International Classes:
G01N23/046; G01N3/12; G01N29/14
Foreign References:
| CN111811943A | 2020-10-23 | |||
| CN106546492A | 2017-03-29 | |||
| CN111122323A | 2020-05-08 | |||
| CN108732043A | 2018-11-02 | |||
| JP2009008665A | 2009-01-15 |
Attorney, Agent or Firm:
QINGDAO ZHIDILINGCHUANG PATENT AGENCY CO., LTD (CN)
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