SlideShare a Scribd company logo
1 of 20
Malay Talaviya
1
CONTENT
 Introduction
 Basic component of dragline
 Types of draglines
 Applications
 Manufacturer company
 Operation of a dragline
 Cost and dealer
 Advantages
 Disadvantages
2
 Dragline falls in heavy equipment’s category.
 Dragline excavator is used for civil engineering projects
and surface mining.
 Dragline is the largest equipment ever built on this planet.
It has the ability to excavate very deep down the earth.
 Word drag is used because it has the ability to drag
material at far distance from the machine.
INTRODUCTION
3
BASIC COMPONENT OF DRAGLINE
4
5
TYPES OF DRAGLINES
 Crawler mounted draglines
 Wheel mounted draglines
 Truck mounted draglines
6
Crawler mounted draglines
 low travel speed suitable for soft ground.
7
Wheel mounted draglines
 high travel speed suitable for firm ground
8
Truck mounted draglines
 same as wheel mounted
9
APPLICATIONS
 Most suitable for digging softer material.
 Useful for excavating trenches.
 Mostly used in excavating canals & embankments.
 Suitable for loose soils, marshy land and areas containing
water.
10
MANUFACTURER COMPANY
 CAT (CATERPILLAR INC.)
 JCB (JOSEPH CYRILL BAMFORD )
 ANDERSON
 HITACHI
11
OPERATION OFA DRAGLINE
 The excavating cycle is started by swinging the empty
bucket to the digging position, while at the same time
slacking off the drag-and the hoist lines.
 The bucket is so construction that it will not dump its
contents until the dragline tension is released.
12
 Hoisting ,swinging, and dumping the loaded bucket follow
in that order; then the cycle is repeated .
 An experienced operator can cast the excavated material
beyond the end of the boom.
13
Dragline digging zone
14
COST AND DEALER
Cost :-
$ 5 million to 100 million USD
(32 crores 50 lakhs to 650 crores INR)
Dealer in India :-
SRB Group, New Delhi, India
Bharat Earth movers limited, Maharashtra , India
15
ADVANTAGES
 it can work on natural ground while power shovel take a
pit or trench.
 hauling units do not have to go into trenchusing dragline.
 range of working is more than powershovel.
 excavated material disposed off in on operation.
16
DISADVANTAGES
 it has less digging force than power shovel
 output is less than as compared to power shovel.
 extremely high capital cost.
17
18
19
THANK YOU
20

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Dragline

  • 2. CONTENT  Introduction  Basic component of dragline  Types of draglines  Applications  Manufacturer company  Operation of a dragline  Cost and dealer  Advantages  Disadvantages 2
  • 3.  Dragline falls in heavy equipment’s category.  Dragline excavator is used for civil engineering projects and surface mining.  Dragline is the largest equipment ever built on this planet. It has the ability to excavate very deep down the earth.  Word drag is used because it has the ability to drag material at far distance from the machine. INTRODUCTION 3
  • 4. BASIC COMPONENT OF DRAGLINE 4
  • 5. 5
  • 6. TYPES OF DRAGLINES  Crawler mounted draglines  Wheel mounted draglines  Truck mounted draglines 6
  • 7. Crawler mounted draglines  low travel speed suitable for soft ground. 7
  • 8. Wheel mounted draglines  high travel speed suitable for firm ground 8
  • 9. Truck mounted draglines  same as wheel mounted 9
  • 10. APPLICATIONS  Most suitable for digging softer material.  Useful for excavating trenches.  Mostly used in excavating canals & embankments.  Suitable for loose soils, marshy land and areas containing water. 10
  • 11. MANUFACTURER COMPANY  CAT (CATERPILLAR INC.)  JCB (JOSEPH CYRILL BAMFORD )  ANDERSON  HITACHI 11
  • 12. OPERATION OFA DRAGLINE  The excavating cycle is started by swinging the empty bucket to the digging position, while at the same time slacking off the drag-and the hoist lines.  The bucket is so construction that it will not dump its contents until the dragline tension is released. 12
  • 13.  Hoisting ,swinging, and dumping the loaded bucket follow in that order; then the cycle is repeated .  An experienced operator can cast the excavated material beyond the end of the boom. 13
  • 15. COST AND DEALER Cost :- $ 5 million to 100 million USD (32 crores 50 lakhs to 650 crores INR) Dealer in India :- SRB Group, New Delhi, India Bharat Earth movers limited, Maharashtra , India 15
  • 16. ADVANTAGES  it can work on natural ground while power shovel take a pit or trench.  hauling units do not have to go into trenchusing dragline.  range of working is more than powershovel.  excavated material disposed off in on operation. 16
  • 17. DISADVANTAGES  it has less digging force than power shovel  output is less than as compared to power shovel.  extremely high capital cost. 17
  • 18. 18
  • 19. 19