Appendices 5,6,7 and 8

European Union

Description

Industrial research and development

Sujets

• Mining
• Sciences et techniques

Informations

• Publié par: EUROPEAN-UNION
• Nombre de lectures: 34
• Langue: English
• Poids de l'ouvrage: 2 Mo

Extrait

M/Ç ll.i0<r
Commission of the European Communities
technical coal research
FURTHER DEVELOPMENT
OF VERTICAL GUIDANCE SYSTEM
FOR SHEARERS:
Volume 3
(APPENDICES 5, 6, 7 and 8)
Report
EUR 11104 EN
Blow-up from micro ne original Commission of the European Communities
technical coal research
FURTHER DEVELOPMENT
OF VERTICAL GUIDANCE SYSTEM
FOR SHEARERS:
Volume 3
(APPENDICES 5, 6, 7 and 8)
Headquarters Technical Department
Ashby Road
Stanhope Bretby
Burton of Trent
Staffs DE15 OQD
Contract No. 7220-AD/818
FINAL REPORT
Duration of the project
April 1983 - March 1986
' s', F' . .
Directorate-General Energy u
1987 :*FIIR 11104 FM Published by the
COMMISSION OF THE EUROPEAN COMMUNITIES
Directorate-General
Telecommunications, Information Industrias and Innovation
Bâtiment Jean Monnet
LUXEMBOURG
LEGAL NOTICE
Neither the Commission of the European Communities norany person acting on behalf
of then is responsible for the use which might be made of the following
information
ECSC—EEC—EAEC Brussels - Luxembourg, 1988 III
APPENDICES 5, 6, 7 and 8
MIDAS EQUIPMENT HANDBOOK - SERDS CONTENTS
Chapter 1 : GENERAL DESCRIPTION OF SYSTEM XI
1 . INTRODUCTION
1 .1 Technology
1.2 System Hardware
1.3 Steering Philosophy
1.3.1 Roof Follower Control Loop
1.3.2 Coal Thickness Algorithm 2
1.3.3 Machine Angle Tiltm4 Boom Loop Control - Two Pass
DIAGRAMS 3
1-1 MIDAS Control System : Steering Principle
For Single Pass and Roof Cut on Two Pass 3
1-2 Boom Control Loop Floor Cut on Twos 4
Chapter 2: SYSTEM PERFORMANCE DATA 5
PERFORMANCE DATA 7
.1 MIDAS Operating Modes
.1.1 Full Automatic Control
.1.2 Degradedc Control
.1.3 Auto Defeat
.2 Limitations
.3 Hazards/Safety Precautions 8
Chapter 3: EQUIPMENT LIST 9
1. MIDAS CONTROL SYSTEM EQUIPMENT LIST 11
1.1S Unit 1
1.2 Power Supply Unit
1.3 Personality Unit1
1.4 Roof Follower/Boom Arm Resistive
Transducers
1.5 Machine Movement and Direction Detector
(MMADD)
1.6 Haulage Direction Sensor 1
1.7 Mode Selector Switch
1.8 End of Face Detector
1.9 Face Advance Tilt Transducer2
1.10 Along Face Tiltr
1.11 Coal Thickness Probe
1.12 Multiplexer Unit 1
1.13 Solenoid Control Unit
1.14 Transformer Base Plate2
1.15 Voltage Clamp
1.16 System Health Transducers3
1.17 Junction Boxes I
1.18m Test Units
Chapter 4: LIST OF DRAWINGS 15 VI
CONTENTS (Continued)
Chapter 5: RELATED STANDARDS 19
1. STATUTORY COMPLIANCE 21
1.1 IS Certification 21
1.2 FLPn 23
Chapter 6: SYSTEM INSTALLATION AND COMMISSIONING 25
INSTALLATION 27
.1 Isolation Procedure 27
.2 Preliminary Installation 27
.2.1 Junction Boxes 27
.2.2 Cabling 28
.3 Transducers, MIDAS Unit and Personality
Unit 28
.3.1 MIDAS Unit 28
•3«2 Personality Unit 28
.3.3 Power Supply Unit 28
.3.4 Multiplexer 28
.3.5 Roof Follower Assembly 28
.3.6fr Arm 29
• 3*7 Roofr Transducer 29
•3*8 Boom Arm Transducer 29
.3.9 Mode Select Switch 30
30 Haulage Direction Sensor 3 10
31 Machine Movement and Direction Detector 3 11
31 End of Face Detector 3 12
31 Coal Thickness Probe 3 13
31 Tilt Transducers 3 14
31 Special Removal Procedures 4
31 1 Boom Arm/Roof Follower Transducer 4
32 Roof Follower Arm 4.2
32 Health Transducers 5
33 2. COMMISSIONING
34 2.1 Commissioning Mode
34 2.2 Manual Entry into the Commissioning Mode
34 2.3 Security System
35 2.4 System Personality
35 2.5 Derivation of Parameters
35 2.5.1 Drum Diameter
35 2 Roof Follower Arm Length
35 2.5.3fr Reference
35 2.5.4 Trunnion Centre to Cut Floor
35 2.5*5 Gearhead Type
35
2.5.6 Coal Thickness Reference 7 Roof Coal Thickness Probe to Drum Centre
Offset 36
2.5.8 Coal Thickness Gain 36 9 Seam Angle 36
2.5.10 Machine Angle Gain 36 1 Face Length Auto Controlled 36
2.5*12 Gate to Auto Control Start Point 36
2.5.13e Centre to Magnet 36
2.5*14 End of Face Sensor to Drum Centre Offset 36
2.5.15 Haulage Type 36 6 Mining Method 37
2.5*17 Health Package 37 8 Along Face Count 37 VII
CONTENTS (Continued)
Chapter 6: SYSTEM INSTALLATION AND COMMISSIONING (Continued)
2.5.19 Along Pace Position in Metres 37
2.5.20 Coal Thickness at Probe1 Probe Calibration Factor8
2.5.22 Autocalibration 33 Roof Follower Correction Factor
2.5.24 Stored Cut Memory
2.6 Data Entry
2.6.1 Personality Ui ait 41 2 MIDAS Unit 42
2.7 Commissioning Instructions 43
2.8 g via the MIDAS Unit 45
2.9 Machine Opera' bion 51
TABLES
6-1 Health Packagi 3 32
6-2 Package Transducers 33
6-3 Personality Pi irameters 39
6-4 Position and Calibration Factors 40
6-5 Gearhead Type 40
6-6 Haulagee 41
FIGURES
6-1 Face Plan 37
6-2 Personality Ui ait 42
6-3 MIDAS Unit 42
DIAGRAMS
6-1 MIDAS Control System : Typical Equipment
Location Diag: ram 52
6-2 MIDAS Control System : Personality Drawing 53
6-3 Mining Method 1 54
6-4 Miningd 2 55
6-5 g Method 56 3
6-6 Miningd 4 57
6-7 g Method 5 58
6-8 Miningd 6 59
6-9 g Method 7 60
6-10 Miningd 8 61
6-11 Mining Method 62 9
6-12 gd 10 63
6-13 Mining Method 11 64
6-14 gd 12 65
Chapter 7: SYSTEM OPERATION 67
1. OPERATOR CONTROLS9
1.1 Defeated Automatic Mode
1.2 Automatic Mode
2.R DISPLAYS
3. STATUS INDICATING LAMPS 70 VIII
CONTENTS (Continued)
Chapter 8: SYSTEM MAINTENANCE 71
1 • TECHNICAL DESCRIPTION3
1.1 Control
1 .2 Steering Transducers and Operator Controls 7
1.2.1 Roof Follower
1 .2.2 Boom Height
1.2.3 Face Advance Tilt
1 .2.4 Coal Thickness Probe 7
1 .2.5 Machine Movement and Direction Detector 74
16 Haulage Direction Sensor
1.2.7 End of Face Detector4
1 .2.8 Along Face Tilt
1.2.9 Mode Selector Switch
1.3 MIDAS Output Signals
1.4 Condition Monitoring Transducers 7
Power Supplies and Serial Data 1 .5
Transmission 75
Powers1.5.1
Serial Data Transmission 71.5.2
1 .6 Hydraulic System
1 .6.1 Auto Defeat
1 .6.2 Automatic6
1.7 MIDAS Unit
1.7.1 Data Acquisition7 2 Steering and Control 7
Communications1.7.3
Power Supply4
1 .8 Personality Unit
1 .8.1 Unassigned Data Channels
1 .8.2 Power Supply
Security Screw1 .8.3
1.9 Machine Movement and Direction Detector 78
1.9.1 Fault Diagnosis 7
1 .9.2 Creepage Detection8
Power Supply1.9.3
1 .10 Coal Thickness Probe
1.10.1 Power Supply9
1.11 Boom Arm/Roof Follower Transducers 7
1.12 Face Advance/Along Faces
Haulage Direction Switch 71.13
1.14 End of Face Detector
1.15 Mode Selector Assembly 80
Moder Switch1.15.1 2 Indicator Lamps
1.16 Steering Philosophy
1.16.1 Full Automatic Control - Single Pass 8
1 .16.2 Machine Angle Algorithm1
13 Coal Thicknessm
1.16.4 Combined Steering Demand 82
1 .16.5 Roof Follower Control Loop
1.16.6 Degraded Automatic Control
1 .16.7 Automatic Defeat3
1.16.8 Boom Loop Control - Two Pass
PERFORMANCE MAINTENANCE