drives & controls services, inc. - mining electrical · 2015-06-01 · drives & controls...
TRANSCRIPT
Drives & Controls Services, Inc. OVER 30 FIELD REPRESENTATIVES WORLD
WIDE
OVER 400 YEARS COLLECTIVE ELECTRICAL MINING EXPIERENCE
EXPIERENCE IN ALMOST ALL MAKES AND MODELS OF MOTION REGULATORS OLD AND NEW
24 HOUR SUPPORT
WWW.DRIVESANDCONTROLS.COM
USA
•Tyler, Texas
•Bogata, Texas
•Heath, Texas
•Henderson, Texas
•Jasper, Alabama
•Bradenton, Florida
•Casper, Wyoming
•Gillette Wyoming
•Dubois, Wyoming •Edmonton, Alberta, CAN
•Mackay, Queensland, QLD
•Dysart, Queensland
•New Castle, New South Wales
•Cartagena, Columbia
Locations
Drives & Controls Services, Inc.
•LOCATED NEAR STIGLER, OKLAHOMA •THE DRAGLINE ORIGINALLY CAME FROM ARK. 12 YEARS EARLIER •MINING HIGH BTU COAL and SHIPPING IT TO CHINA •THE DRAGLINE DIGS THE ROCK THAT HAS BEEN BLASTED and MOVES IT OVER TO THE SPOIL PILE
LOCATED IN EASTERN OKLAHOMA
40 MILES WEST OF FT SMITH, AR
AVERAGE 100’ OVERBURDEN OF SOLID ROCK
THEY USE BLASTING TO HELP GET TO THE COAL
PAGE 752 DRAGLINE
HIGH WALL
HIGH WALL BLAST HOLES
PAGE 752 DRAGLINE
HIGH WALL
HIGH WALL BLAST HOLES
EXTRA HOLES
LOADED WITH
EXPLOSIVE
DRILLED HOLES WERE LOADED EXTRA HOLES WERE LOADED WITH EXPLOSIVE BY
MISTAKE
WHEN THE INTENDED HOLES WERE SET OFF THE OTHER HOLES IGNITED ALSO
SENDING TONS OF ROCK INTO THE BACK OF THE DRAGLINE
MG SETS WERE PUSHED FORWARD 3 FEET
SYNC MOTOR DRAG GEN
AT THE TIME OF THE ACCIDENT THE OPERATOR WAS IN THE CAB
THE OILER WAS DOWN IN THE MACHINERY HOUSE
THE OPERATOR HAD POINTED THE FRONT OF THE DRAGLINE AWAY FROM THE BLAST
THE M-G SETS WERE SHUTDOWN
THE BLAST BLEW OUT THE REAR GLASS IN THE CAB
IT ALSO SENT A ROCK THROUGH THE FRONT GLASS NARROWLY MISSING THE OPERATOR
• DCS WAS CONTACTED AND WE HAD MEN AT THE SITE THE NEXT DAY
• POWER WAS REMOVED, THE SITE WAS INSPECTED AND DETERMINED TO BE SAFE TO WORK IN
• THE FIRST TASK WAS TO REMOVE THE ROCK TO BEGIN TO ASSESS THE HIDDEN DAMAGE
ROCK and DIRT WERE SEVERAL FEET DEEP IN PLACES
MOTOR CONTROL CENTER WAS DESTROYED
THE M-G SETS WERE BROKEN LOOSE FROM THE BASE
• M-G SETS HAD BEEN BROKEN LOOSE FROM THE BASE
• THE M-G BASE ITSELF WAS BROKE LOOSE FROM THE FLOOR
• THE REAR HOIST MOTOR WAS BROKE LOOSE FROM IT’S BASE • THE M-G SET PUSHED THE RIGHT SIDE CABLE TRAY FORWARD SEVERAL FEET
A PLAN OF ACTION REMOVE THE DAMAGED EQUIPMENT
M-G SETS
MCC
CONTROL CABINETS
HIGH VOLTAGE CABINETS
DAMAGED SECTIONS OF CABLE TRAY
ALL CABLES EXCEPT THOSE GOING TO BOOM LIGHTS
SAWSALL WAS USED TO CUT THE CABLES
THE BACK DOORS AND SIDE PANELS WERE REMOVED
LOCATE ANOTHER M-G SET MOSAIC FLORIDA DL4 HAD BEEN SOLD FOR SCRAP
IT WAS A G.E. M-G SET VERSES A WESTINGHOUSE
MEASUREMENTS WERE MADE TO VERIFY IT WOULD FIT
NAMEPLATES WERE COMPARED FOR KW RATINGS
THE MOSAIC DL4 G.E. M-G SET NEAR FOUR CORNERS MINE
MOBILIZE PEOPLE CCC - TO REMOVE THE REAR DOORS AND PANELS FROM
DL4 AND SHIP THEM TO FARRELL COOPER
FLANDERS ELECTRIC - TO RETRIEVE THE M-G SETS FROM DL4 AND BEGING TO REFURBISH
DCS - TO START BUILDING NEW CABINETS AND PANELS IN OUR TEXAS SHOP
SET UP AN OFFICE
OFFICE
NEW MCCs PRINTS WERE EXAMINED FOR BREAKER AND CONTACTOR
SIZES
MEASURMENTS MADE TO FIND THE AVAILABLE SPACE
ORDER WAS PLACED
THEY WERE DELIVERED IN 2 WEEKS
HIGH VOLTAGE SWITCH GEAR
NEW TOSHIBA VCCs WERE ORDERED
NEW HIGH VOLTAGE ISOLATION SWITCHES WERE ORDERED
NEW CONTROL AND DRIVE CABINETS
NEW SIEMENS 6RA80 DRIVES WERE ORDERED
NEW ALLEN-BRADLEY PLC WAS ORDERED
BEGIN CABINET CONSTRUCTION
MEASURMENTS MADE TO FIT EQUIPMENT TO THE AVAILABLE SPACE
NEW CABINETS BUILT IN THE DCS SHOP
MOST OF THE ASSEMBLY WAS DONE IN THE DCS SHOP
BEGIN BUILDING NEW CABLE TRAY ON THE DRAGLINE
BEGIN PULLING NEW CABLE- ‘A’ LEADS FIRST
A FEW THINGS WE FOUND ALONG THE WAY
#1 SWING MOTOR GROUND FAULT
#3 SWING MOTOR SHORTED FIELD COIL
WIRING INSULATION DETERIORATING
“A” LEAD GROUNDED IN #1 SWING MOTOR
THE INSULATION WAS ALL THAT HELD IT TOGETHER
CONTROL WIRING FOR BOOM HOIST MOTOR BAD
CONTROL WIRING FOR DECK WINCH MOTOR
THE NEW EQUIPMENT
HIGH VOLTAGE SWITCH GEAR
THE NEW LINEUP
NEW SIEMENS 6RA80
DIGITAL DRIVES