Hydraulic
Diaphragm Wall Grab
Mechanical
Diaphragm Wall Grab
Stop End Pipes
Hydraulic Tube Extracting
Equipment
Interlocking Tremie Pipes
Hydraulic
Diaphragm Wall Grab
Technical Data
Hydraulic tilting of the grab
X, Y and rotation ± 100°
The hydraulic tilting with inclination measuring and monitoring of the operator's
cabin guarantees a verticality of the diaphragm wall of 1:800. To certify the verticality of the trench the measured data can
be stored and printed out. (Patents in
many countries).
HSWG
2200
800
~8200
Inclination detection x,y
Inclination adjusting ±2°
Lifting and lowering
speed (max.)
Hydraulic pressure
(max.)
Closing force kN 1000
Closing/opening
time
2
m/min 50
bar 320
sec 8/5
~8750
800
2.8 or 3.2
Wall width mm 600 700 800 900 1000 1200 1500
HSWG 3.2/600-1000
Grab weight kg 14000 14500 15000 15500 16000 - Open shell width (max.)
Capacity l 900 1100 1300 1500 1700 - -
HSWG 3.2/800-1200
Grab weight kg - - 15000 - 17000 19000 Open shell width (max.)
Capacity l - - 1500 - 1700 2200 -
HSWG 3.2/800-1500
Grab weight kg - - 23000 - 24500 25500 27000
Open shell width (max.)
Capacity l - - 1500 - 1700 2200 3000
HSWG 3.2/1000-1500
Grab weight kg - - - - 17000 19000 22000
Open shell width (max.)
Capacity l - - - - 1700 2200 3000
m 3,2 3,2 3,2 3,2 3,2 - -
m - - 3,2 - 3,2 3,2 -
m - - 3,2 - 3,2 3,2 3,2
m - - - - 3,2 3,2 3,2
Liebherr
Crawler crane
HS 845
HS 855
HS 855
HS 875 or
HS 885
Hydraulic
Diaphragm Wall Grab
General Remarks
HSWG
The hydraulic diaphragm wall grab HSWG is
equipped with a permanent measuring and control
system which makes it possible primarily to recognize any deviation of the vertical excavating direction immediately, and to indicate it to the control
panel of the operator and secondarily to correct any
deviation of the vertical position by means of a
modification of the direction of the grab. Thus, high
accuracy is obtained also at deeper depths (more
than 50 m) and the construction of diaphragm walls
by means of grab excavation is thus perfected. The
hydraulic diaphragm wall grab operates free of
noise and vibration.
Operation is easy compared to the mechanical diaphragm wall grab. By means of the special suspension via two ropes, each of which is deflected once,
the hydraulic diaphragm wall grab can be operated
by means of a smaller carrier unit whereby a more
economical application with improved mobility is
achieved.
The HSWG XY 200° is equipped with a deviation
control system for the x-axis and the y-axis, as well
as with a rotation control including data read-out
and monitoring system.
3
Diaphragm Wall Grab
SWG 2.8 (3.4)-5/400-600
SWG
10000
8900
2300
395
2450
2800 (max. 3400)
Width of diaphragm wall mm 400 500 600
Width of basic body mm 395 395 395
Jaw capacity (2800 mm) (approx.) l 570 710 890
Jaw capacity (3400 mm) (approx.) l 690 860 1080
Quantity of pulleys 5 5 5
Weight (approx.) kg 9800 11000 11600
4
400/500/600
Diaphragm Wall Grab
General Remarks
SWG
Jaws of angular or round shape are available. The
jaws, ropes and rope pulleys can quickly be replaced on site without any problem. The teeth are
replaceable. Light chiseling work is possible. All
rope and guide pulleys have adequatley dimensioned, maintenance-free bearings filled with oil.
5
Diaphragm Wall Grab
SWG 2.8 (3.3)-6/600-1000
SWG
12000
10975
2200
575
2000
3800
Removable
extension piece
2390
2800 (max. 3300)
Width of diaphragm wall mm 600 800 1000
Width of basic body mm 580 580 580
Jaw capacity (approx.) l 890 1250 1600
Quantity of pulleys 6 6 6
Weight with extension piece (approx.) kg 12000 13700 15000
Weight without extension piece (approx.) kg 9800 11000 11600
6
600/800/1000