cranes for wind power
TRANSCRIPT
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Liebherr top technology Cranes for wind power
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Liebherr cranes are the cranesof choice for installing windpower systems
The use of wind power has been known for centuries. Whereas previously the mechani-
cal energy of the windmill was used, windmills are now used mainly to generate electrical
energy. The development of ever more powerful wind power systems is continuing apace
and the height of the towers on which the systems are mounted is increasing. Liebherr is
meeting the challenges of these developments with cranes with an optimised perform-
ance and new jib systems designed to meet the needs of the wind power industry. In-
novative technology, high quality and efficiency combined with a long service life have
ensured a leading position in the world market for Liebherr mobile and crawler cranes.
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TYSN
Mobile crane LTM 1400-7.1
Optimised load capacity The LTM 1400-7.1 is the optimum mobile crane for installation
of 1 MW class wind power systems on towers up to approxi-mately 70 m high. Smaller systems can be mounted on corre-
spondingly higher towers. Unaffected by wind and lateral solar
radiation, the new Y-pattern guying ensures that the telescopic
boom is aligned in its correct geometry at all times. Additional
stabilisation of the boom system is provided by a spacer in
conjunction with lattice jibs.
Compact and extremely versatileThe LTM 1400-7.1 is the most compact crane in its class. This
makes it particularly suitable for the erection of wind power
systems in mountain and coastal regions. All axles are steered,
with the active speed-dependent rear axle steering being in-
tegrated into the steering system. Six steering modes, prese-lectable from fixed programmes, offer the smallest turning radii,
precise and stable travel even at high speeds, substantially
reduced tyre wear, and at the same time provide the highest
level of safety.
Telescopic boom
Y-pattern guying
Spacer
Luffing jib
T
Y
S
N
Short assembly times means high efficiency A feature unique on the market is the facility to self-assemble the Y-pattern
guying on the crane without the need for an auxiliary crane. A 60 t ballast in-
cluding winch 2 and winch 3 can be installed with a single lift. With a transport
width of only 3 m, the “60 t package” can be transported on a low-loader. The
facility to hydraulically increase the ballast radius from 5.6 m to 6.6 m reduces
the transport of ballast for a number of applications. A practical design also
means that short assembly times are achieved even when fitting lattice jibs.
TYSN boom system
Load capacity in tonnes
H o o k h e i g h t i n m e t r e s
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Technical data LTM 1400-7.1Max. lifting capacity 400 t
Telescopic boom 60 m
Max. lifting height 130 m
Carrier enginepower
Liebherr 8-cylinder turbo-diesel440 kW
Crane enginepower
Liebherr 6-cylinder turbo-diesel240 kW
Drive/steering 14 x 8 x 14
Travel speed 80 km/h
Weight 84 t (7 x 12 t axle weight)
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TY2SN TY2EF
Mobile crane LTM 1500-8.1
Successful crane conceptSince 1988, more than 100 eight-axle LTM
1500-8.1 cranes have been delivered to cus-tomers throughout the world. It is the stand-
ard crane for the erection of wind power sys-
tems of the 1.5 MW class on towers up to
more than 80 m high. With the development
of Y-pattern guying and the spacer, Liebherr
has met the load capacities required for the
wind power industry.
Multivariable boom systemThe 50 m long telescopic boom can be ex-
tended to 84 m using only three additional
telescopic sections. With additional jibs such
as fixed or luffing lattice jibs, 63 m or 91long, and a whip line and assembly jib, also
hydraulically adjustable, the LTM 1500-8.1
offers a particularly wide range of applica-
tions.
Telescopic boom
Y-pattern guying
Spacer
Eccentric
Fixed jib
Luffing jib
T
Y
S
E
F
N
Practical assembly systems
The ballast base plate and the six ballast plates together with the winchframe with winches 2 and 3 can be assembled as a complete unit. The de-
sign also ensure simple and fast erection even when fitting lattice jibs and
the Y-pattern telescopic boom guying.
TY2SN boom system - Boom 50 mTY2EF Boom system - Boom 84 m
Load capacity in tonnes
H o o k h e i g h t i n m e t r e s
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Technical data LTM 1500-8.1Max. lifting capacity 500 t
Telescopic boom 50/84 m
Max. lifting height 145 m
Carrier enginepower
Liebherr 8-cylinder turbo-diesel440 kW
Crane enginepower
Liebherr 6-cylinder turbo-diesel240 kW
Drive/steering 16 x 8 x 12
Travel speed 77 km/h
Weight 96 t (8 x 12 t axle weight)
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SDWB
SLF
SWF
L
W
S
D
B
F
Crawler crane LR 1350/1The SDWB systemThe 27 m long derrick boom with a maximum of
200 t suspended ballast or ballast trailer enables lift-
ing heights of up to 120 m to be obtained on the main
boom and up to 150 m on the jib. The ballast trailer canbe telescoped from a 11 m up to a 15 m radius, while
the suspended ballast can be moved via the derrick jib
in this reach range.
The SLF system A fixed jib is mounted on the SL main boom. Using
this simple system, a system length of 114 m can be
assembled and erected in the minimum erection time.
A derrick boom is not necessary.
The SWF system
With a main boom of 54 m, a luffing jib of 66 m and afixed jib 36 m long permanently mounted on the luffing
jib, it is possible to erect a total system of 156 m with-
out a derrick boom.
Main boom, heavy
Main boom, light
Luffing jib, heavy
Derrick system
Suspended ballast
Fixed jib
Efficient transport logisticsThe LR 1350/1 crane concept is based on the latest
drive and control technology, is easy to transport, hasa lightweight boom system with a very high lifting ca-
pacity and can be efficiently erected and transported.
The extremely compact dimensions of the basic unit
– crane length 9.7 m, track width 8.4 m and maximum
turning radius 8 m – are unrivalled in the 350 t class.
With a minimum transport weight of 40 t without
winches, the basic machine can move anywhere in
the world without restrictions and can be self-erected
using optimum accessories.
SDWB boom system
SWF boom systemSLF boom system
Load capacity in tonnes
H o o k h e i g h t i n m e t r e s
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Technical data LR 1350/1Max. lifting capacity 350 t
Max. lifting height 150 m
Max. reach 100 m
Carrier engine/crane enginePower
Liebherr 6-cylinder turbo-diesel270 kW
Track width 7.2 m
Max. superstructure ballast 125 t
Max. central ballast 38 t
Max. derrick ballast 200 t x R 15 m
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SF2SDF2BSDWB SLN
Crawler crane LR 1400/2High functionality A multifunctional boom system, simple and safe
crane assembly and economical transport of the
crane components are the convincing features
of the LR 1400/2. The 400 t crane offers a boom
module with the main boom and jib in lightweight
and heavyweight versions as well as the derrick
device with a telescopic suspended ballast or
ballast trailer to increase the load capacity. These
systems enable a universal adaptation of the
crane to the various operating conditions.
Boom systemsBoom systems tailored to the special require-
ments of wind power were developed from
known boom combinations. One example is the
SF2 system that enables 2.5 MW class windpower systems to be erected on 80 m high tow-
ers. Using a derrick system, it is possible to
achieve tower heights of as high as 100 m.
Main boom, heavy
Main boom, light
Luffing jib, heavy
Luffing jib, light
Derrick system
Suspended ballast
Fixed jib
S
L
W
N
D
B
F
SDWB boom system
SLN boom system
SF2 boom system
SDF2B boom system
Load capacity in tonnes
g
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Technical data LR 1400/2Max. lifting capacity 400 t
Max. lifting height 162 m
Max. reach 120 m
Carrier engine/crane engine
Power
Liebherr 6-cylinder turbo-diesel
300 kWTrack width 7.5 m
Max. superstructure ballast 155 t
Max. central ballast 43 t
Max. derrick ballast 260 t x R 15 m
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SF2 SDF2B
Crawler crane LR 1400/2-WHigh mobility due to narrow track A track running gear only 4.8 m wide was de-
veloped to enable the crawler crane to travel
on narrow access paths. When completely
erected, the LR 1400/2-W can move on exist-
ing paths from system to system. The supports
with the fitted support plates are swung back-
wards or forwards to the running gear when
travelling. When lifting, the crane is supported
by 11.5 m wide star-pattern supports. The fol-
lowing systems are offered as a special wind
power boom: SF2 system, main boom with
fixed jib and, for higher load requirements, the
SDF2B system consisting of a main boom with
fixed jib, derrick and suspended ballast.
Double-jointed for easy corneringBy means of two slewing connections, the
chassis, intermediate section with supports and
crane superstructure can be rotated as required
relative to each other, thus enabling the crawler
crane to negotiate even the tightest bends with-
out the ground surface being damaged by the
tracks. When changing the direction of travel,
the crane is supported on the star-pattern sup-
Main boom, heavy
Derrick system
Suspended ballast
Fixed jib
S
D
B
F
ports, the raised running gear rotates to the new required direction oftravel and, after the supports are retracted and the centre section and
crane superstructure again rotated to the new direction of travel, the
crane can continue in the required new direction. The crane running
gear, the slewing sections and the supports are controlled by remote
radio control.
SDF2B boom system
SF2 boom system
Load capacity in tonnes
g
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Technical data LR 1400/2-WMax. lifting capacity 400 t
Max. lifting height 132 m
Max. reach 112 m
Carrier engine/crane enginePower
Liebherr 6-cylinder turbo-diesel300 kW
Track width 3.6 m
Max. superstructure ballast 155 t
Max. derrick ballast 200 t x R 15 m
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SDWB SL7DHS SLK SL8HS
Crawler crane LR 1750 Wide application spectrumThe LR 1750 offers the required high load capac-
ity for erection of the latest generation of wind
power systems. Special boom systems that can
be used universally, derrick boom with telescopic
suspended ballast or ballast trailer and support-
ing devices for use as a “pedestal crane” char-
acterise the 750 t crawler crane’s wide range of
applications. A practical design ensures simple,
safe crane assembly and short erection times.
The SLK boom and jib systemThe SLK boom and jib system was developed
specially for the erection of wind power systems.
It enables long main booms up to 135 m hook
height with a reduced ballast and without a der-
rick boom to be erected. During erection, the
front section of the main boom is first inclineddownwards and is then raised using a winch after
the lower section of the main boom has reached
the erected working position.
Main boom, heavy
Main boom, light
Luffing jib, heavy
Derrick system
Suspended ballast
Articulated main boom
Auxiliary jib
S
L
W
D
B
K
HS
SDWB boom system
SL7DHS boom system
SLK boom system
SL8HS boom system
Load capacity in tonnes
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Technical data LR 1750Max. rating load 750 t
Max. lifting height 191 m
Max. reach 136 m
Carrier engine/crane engine
Power
Liebherr 8-cylinder turbo-diesel
400 kWTrack width 8.8 m
Max. superstructure ballast 245 t
Max. central ballast 95 t
Max. derrick ballast 400 t x R 20 m
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SDWB SLK SL5H SL3H
Lattice boom mobile crane LG1550High mobility The LG 1550 has become established as the ideal crane
for the erection of wind power systems of the 2 MW to
3 MW class on towers over 100 m high. The eight-axle
LG 1550 arrives at the site complete with a slewing plat-
form and supports and is thus ready for action in the
shortest possible time. The folding arms of the star-pat-
tern supports can be completely folded into the vehicle
width. This enables the crane to negotiate the narrowest
of access paths. Four of the eight axles are fitted with twin
tyres. This means that there are 24 wheels to provide the
load-bearing capacity necessary for the crane to move
on-site with the major part of its equipment and the bal-
last.
The boom and jib systems
The SL3H and SL5H boom and jib systems enable hookheights of over 100 m to be reached. With inclined as-
sembly jib, the SL main boom can be erected without a
derrick system. The new “articulated main boom „SLK“
enables wind power systems to be erected up to a 118 m
hook height. This also saves the transportation and as-
sembly of a derrick system. The long boom is first erected
with the upper section inclined downwards. After the
lower section has reached the steep working position, the
top section is raised using a winch and held cushioned
against a fixed stop by spring assemblies.
Main boom, heavy
Main boom, light
Luffing jib, heavy
Derrick system
Suspended ballast
Articulated main boom
S
L
W
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BK
SDWB boom system
SLK boom system
SL5H boom system
SL3H boom system
Load capacity in tonnes
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Technical data LG 1550Max. lifting capacity 550 t
Max. lifting height 180 m
Max. reach 124 m
Carrier engine
power
Liebherr 8-cylinder turbo-diesel
440 kWCrane motor
powerLiebherr 6-cylinder turbo-diesel
300 kW
Drive/steering 16 x 8 x 12
Travel speed 80 km/h
Max. superstructure ballast 200 t
Max. derrick ballast 250 t x R 13 m
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SDWB
––
SLK
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SL9D2FB
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SL8HS
Lattice boom mobile crane LG1750Modular conceptThe LG 1750 boasts load capacities sufficient for the
erection of wind power systems of the 5 MW class.
For the LG 1750, Liebherr uses the slewing crane
platform and the boom and jib systems from the LR1750 crawler crane together with a completely new,
state-of-the-art eight-axle chassis. With the supports
fully retracted, the 3 m wide chassis has the ad-
vantage of being able to travel on the narrow paths
within the wind farm from system to system.
Interchangeable boom and jib systemThe LR 1750’s complete boom and jib system is
used for the LG 1750. Because of the rigid design
of the star-pattern supports, the extraordinarily wide
support base measuring 16 m x 16 m and the slew-
ing platform extension, the load capacity of LG 1750can even be increased beyond that of the crawler
crane, with ballast also being reduced.
Main boom, heavy
Main boom, light
Luffing jib, heavy
Derrick system
Suspended ballast
Articulated main boom
Fixed jib
Auxiliary jib
S
L
W
D
B
K
F
HS
The LG 1750 also offers the new SLK boom
system that provides increased lifting heights
without the need for a derrick system.
SDWB boom system
SLK boom system
SL9D2FB boom system
SL8HS boom system
Load capacity in tonnes
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Technical data LG 1750Max. lifting capacity 750 t
Max. lifting height 191 m
Max. reach 136 m
Carrier enginepower
Liebherr 8-cylinder turbo-diesel440 kW
Crane motor
power
Liebherr 8-cylinder turbo-diesel
400 kWDrive/steering 16 x 8 x 16
Travel speed 80 km/h
Max. superstructure ballast 245 t
Max. derrick ballast 400 t x R 20 m
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Liebherr-Werk Ehingen GmbH
Subject to modifications. P 358.E06.2005
The Liebherr plant in EhingenThe world’s most highly developed mobile crane factory
Liebherr is the leading manufacturer of mobile cranes. The range of the all-terrain mobile
cranes extends from two-axle 35 t cranes up to heavy load cranes with a load capacity
of 800 t and an eight-axle chassis. The lattice-boom cranes on mobile and crawler vehi-
cles achieve load capacities of up to 1,250 t. With their universal boom and jib systems
and comprehensive additional equipment they are used on building sites throughout the
world.
Liebherr-Werk Ehingen GmbH was founded in 1969. To consolidate and further advance
their international position as a leading provider of mobile and crawler cranes, operating
capacity has been comprehensively extended in recent years. The Liebherr plant in Ehin-
gen now covers a total area of 535,000 m2, of which more than 155,000 m2 is a roofed
manufacturing facility. Up to 1,400 mobile cranes can be built each year. A comprehen-
sive, worldwide service guarantees the high availability of mobile and crawler cranes.