Colliery Mechanical & Electrical Technology Articles

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1Experimental Study on Impeding Filth Agglomerating in Circulating Water of Air Compressor in Huainan-Huaibei Coal Mines1-3

2Discussion on Dynamic Safety Factors of Inclined Shaft Hoisting Wire Ropes3-5

3The Determination of Maximum Oil Pressure for JK Mine Hoister Braking System6-7,10

4The Technical Analysis of Track Haulage System for Shearers8-10

5About Rail Pressing Braking Device for Narrow-gauge Locomotive in Mine11-13

6Economic and Technical Analysis of Frequency Converter Used in Main Fan for Mine13-15

7A Method of Energy Conversation Control for Emulsion Pump16-17

8Research on Electric Control System of Oil-film Clutch Used in Belt Conveyor17-19

9The Finite Element Analysis of Impeller Strength for Speed Controlling Hydraulic Coupler20-23

10Principle Analysis and Algorithm Achievement about Selecting the Ground Wire Based on Power Component of Zero-sequence Current24-26

11Numerical Control Improvement of Deep Hole Punch26-29

12Selective Leakage Protection Principle of Underground Network for Coal Mine30-31

13The Application of Multi-media Technology in Monitoring System for Mine Locomotives32-35

14The Technical Realization of Long-range Multi-media Monitoring System36-38

15The Signal Alarming System at Road Junction in Microcomputer Control Station38-40

16Use Extensible Belt Conveyor with Turning Device to Realize Horizontal Swerving Conveying for Belt41-43

17The Application of Normally-closed Self-control Car Stopper43-45

18Self-control of Fluid Bed Boiler45-47

19The Application of ZZ-89A γ-ray Coal Ash Content Metering Equipment in Coal-preparation Plant48-49

20Pressure Difference and Water Breaking Protection for Air Compressor50,49