Results 11 to 20 of about 864,674 (267)
Mine hoist knowledge management system based on Web
Gong-kuang zidonghua, 2016 In order to achieve management and sharing of mine hoist design knowledge, overall structure and organization of knowledge management system were analyzed, and mine hoist knowledge management system based on Web was designed using network technology and ...
WEN Sheng +3 more
doaj +2 more sources
Fault diagnosis of mine hoist based on optimizing fuzzy Petri networks
Gong-kuang zidonghua, 2016 In order to improve accuracy of fault diagnosis of mine hoist, a new fault diagnosis method of mine hoist based on optimizing fuzzy Petri networks was proposed.
GONG Maofa +4 more
doaj +2 more sources
Design and experimental study of electrical and mechanical brake for mine hoist
Mechanics & Industry, 2021 To meet the requirement of the braking response of the coal mine hoist, a new electromechanical braking technology for mine hoists is proposed, the principle of electromechanical braking of mine hoists is demonstrated, and the detailed parameters and ...
Jin Huawei +4 more
doaj +2 more sources
Numerical Modeling of Mine Hoist Disc Brake Temperature for Safer Operation
Sustainability, 2021 The sustainable exploitation of raw materials, with improved safety and increased productivity, is closely linked to the development of mechanical mining installations.
Sorin Mihai Radu +2 more
exaly +2 more sources
New On-Line MFL Testing Method and Apparatus for Winding Mine Hoist Wire Rope
Applied Sciences (Switzerland), 2022 Based on the introduction and analysis of difficulties encountered during technical inspection of the wire rope of a winding mine hoist (WMH) working at high speed, an open-loop permanent magnet magnetizer was used to simulate and analyze the effect of ...
Yanhua Sun, Bo Feng, He Lingsong
exaly +2 more sources
Applied Sciences (Switzerland), 2021 The effects of vibration on the emergency braking tribological behaviors of the brake shoe of a deep coal mine hoist were investigated in this study. The thermal, frictional and mechanical parameters of the brake shoe were obtained.
Magd Abdel Wahab, Dagang Wang
exaly +2 more sources
Structural performance monitoring of mine hoist head sheave based on digital twins [PDF]
Gong-kuang zidonghuaCurrently, most of the monitoring research on the head sheave of mine hoists focuses on monitoring the vibration, temperature, and deflection of the head sheave, while there is relatively little research on monitoring the structural performance of the ...
ZHANG Wenhao, WU Juan, RUAN Kaiyi
doaj +2 more sources
Super Capacitor Energy Storage Based MMC for Energy Harvesting in Mine Hoist Application
Energies, 2017 This paper proposes a super capacitor energy storage-based modular multilevel converter (SCES-MMC) for mine hoist application. Different from the conventional MMCs, the sub-modules employ distributed super capacitor banks, which are designed to absorb ...
Trillion Q Zheng
exaly +3 more sources
Monitoring and Control System of Digital Mine Hoist Based on Double Ring Networks
Gong-kuang zidonghua, 2011 The paper introduced application status of industrial Ethernet in digital mine construction, proposed network framework of a digital monitoring and control system of mine hoist based on double ring networks and Siemens S7-200 PLC, and introduced software
SONG Qing-jun +3 more
doaj +1 more source
Fault diagnosis for mine hoist bearing based on EMD method
Gong-kuang zidonghua, 2016 According to characteristics that frequency of vibration signals of hoist gear box bearing in coal mine changes all the time under varying load and speed conditions, EMD method was adopted for fault diagnosis for hoist bearing.
QIAO Shuyun
doaj +2 more sources