Monitoring device and method for dynamic development of overburden mining separated bed

US11879336B2 · kind B2 · utility

Assignee

• China University of Mining and Technology · CN

Inventors

• Wenping Li · Lansdale, US
• Weichi Chen · Princeton, US
• Qiqing Wang · Xuzhou, CN
• Jianghui He · Xuzhou, CN
• Wei Qiao · Lincoln, US
• Liangning Li · Xuzhou, CN
• Yuru Yang · Xuzhou, CN

Key dates

• Filing date: Aug 25, 2021
• Grant date: Jan 23, 2024
• Expiry date: Sep 24, 2042

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N33/24
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A monitoring device and a monitoring method for dynamic development of an overburden mining separated bed are provided. The monitoring device includes a settlement magnetic ring assembly and a mounting conduit. The settlement magnetic ring assembly includes an anchor strap assembly, a magnetic induction iron ring and a magnetic ring sleeve sleeved outside the magnetic induction iron ring. The anchor strap assembly is arranged at the outer circumference of the magnetic ring sleeve and has a contraction state and an expansion state. The anchor strap assembly in the contraction state can move in a monitoring hole, and at least two fixing points at different heights are formed in the anchor strap assembly in the expansion state and the wall of the monitoring hole in a vertical direction. Two ends of the mounting conduit are connected to a drill rod and the magnetic ring sleeve respectively.