Clamshell equipment – Liebherr HS 855 HD Litronic User Manual
Page 7
Clamshell equipment
58,000 lbs counterweight
Working diagram
C = Radius / dumping radius
J = Height of boom head sheave centre above
ground level
K = Length of clamshell (depending on type and
capacity of bucket)
С
С
СС
С
HS 855 HD 7
Capacities in 1000 lbs for boom lengths (46 ft – 95 ft)
counterweight 58,000 lbs
46 ft
56 ft
66 ft
75 ft
85 ft
95 ft
C
J
C
J
C
J
C
J
C
J
C
J
α
ft
ft
lbs
ft
ft
lbs
ft
ft
lbs
ft
ft
lbs
ft
ft
lbs
ft
ft
lbs
65
26.6
45.9
56,2
30.5
54.8
48,9
34.8
64.0
41,4
39.0
72.8
35,3
43.0
81.7
28,4
47.2
90.6
26,9
60
29.8
44.3
49,6
34.8
52.8
42,8
39.7
61.4
35,7
44.6
69.9
30,4
49.5
78.4
26,2
54.5
86.9
23,6
55
33.1
42.3
46,1
38.7
50.2
37,3
44.6
58.4
31,3
50.2
66.3
26,9
55.8
74.5
23,2
61.4
82.3
20,5
50
36.4
39.7
41,9
42.7
47.2
33,5
48.9
54.8
27,8
55.1
62.3
24,0
61.7
69.9
20,5
67.9
77.4
17,8
45
39.0
37.4
37,5
45.9
44.3
30,4
53.1
51.2
24,9
60.0
58.1
21,6
66.9
65.0
18,3
73.8
72.2
15,7
40
41.7
34.4
34,2
49.2
40.7
28,0
56.8
47.2
22,9
64.3
53.5
19,4
71.8
59.7
16,5
79.4
65.9
14,1
35
44.0
31.5
29,1
52.1
37.1
26,0
60.0
42.7
21,2
68.2
48.2
17,9
76.1
54.1
15,0
84.3
59.7
12,8
30
45.9
28.2
24,9
54.5
33.1
24,3
63.0
38.1
19,8
71.5
43.0
16,7
80.0
47.9
13,9
88.6
52.8
11,9
25
47.6
24.9
23,6
56.4
28.9
22,0
65.6
33.1
18,3
74.5
37.4
15,7
83.3
41.3
13,2
92.2
45.6
11,0
Max. capacities in 1000 lbs do not exceed 66.7 % of tipping load.
Load diagram restricted by safety factors of standard ropes:
Winches
44,100 lbs
55,2001 lbs
Rope diameter
30 mm
34 mm
Min. breaking load
182,095 lbf
231,800 lbf
1–rope clamshell
36,400 lbs
46,300 lbs
2–rope clamshell
48,500 lbs
61,750 lbs