The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2020
Filed:
Jun. 25, 2018
Sichuan University, Chengdu, CN;
Research Institute of Petroleum Exploration & Development, Petrochina Company Limited, Beijing, CN;
Jianfeng Liu, Chengdu, CN;
Huining Xu, Chengdu, CN;
Jianliang Pei, Chengdu, CN;
Lu Wang, Chengdu, CN;
Chunping Wang, Chengdu, CN;
Xiaozhang Lei, Chengdu, CN;
Wenxi Fu, Chengdu, CN;
Jianhui Deng, Chengdu, CN;
SICHUAN UNIVERSITY, Chengdu, CN;
RESEARCH INSTITUTE OF PETROLEUM EXPLORATION & DEVELOPMENT, PETROCHINA COMPANY LIMITED, Beijing, CN;
Abstract
The present invention discloses an acoustic emission sensor, including an acoustic emission probe, a probe installation mechanism, and a transmission mechanism transmitting a combination of the acoustic emission probe and the probe installation mechanism to a setting position in a borehole of a monitored rock mass; the probe installation mechanism includes a shell, a probe sleeve, a spring sleeve, a spring, and a fixed pulley component; the probe sleeve is installed in the guide cylinder of the shell, the spring sleeve is fixed on two sides of the probe sleeve, the spring is installed inside the spring sleeve; one end of the first rope in the fixed pulley component is fixedly connected to the end cap in the upper end surface of the probe sleeve through the fixed pulley mounted on the top of the inner wall of the shell.