(ft) (ft)
22.0 25.0 28.0 31.0 34.0 37.0 40.0
(72′2″) (82′0″) (91′10″) (101′8″) (111′7″) (121′5″) (131′3″)
50.7 49.4 48.2 47.0 45.8 44.6 43.6
(111.7) (108.9) (106.2) (103.6) (100.9) (98.3) (96.1)
40.3 39.0 37.9 36.8 35.7 34.5 33.6
(88.8) (85.9) (83.5) (81.1) (78.7) (76) (74)
32.2 32.0 30.5 28.9 27.9 26.9 26.0
(70.9) (70.5) (67.2) (63.7) (61.5) (59.3) (57.3)
26.2 25.0 24.0 23.0 22.1 21.1 20.3
(57.7) (55.1) (52.9) (50.7) (48.7) (46.5) (44.7)
21.5 20.4 19.4 18.5 17.6 16.7 15.9
(47.3) (44.9) (42.7) (40.7) (38.8) (36.8) (35)
17.8 16.7 15.7 14.7 13.8 12.9 12.2
(39.2) (36.8) (34.6) (32.4) (30.4) (28.4) (26.8)
14.6 13.6 12.7 11.7 10.9 10.0 9.2
(32.1) (29.9) (27.9) (25.7) (24) (22) (20.2)
12.0 11.0 10.1 9.2 8.4 7.6 6.8
(26.4) (24.2) (22.2) (20.2) (18.5) (16.7) (14.9)
9.8 8.8 7.9 7.1 6.3 5.5
(21.6) (19.4) (17.4) (15.6) (13.8) (12.1)
7.9 6.9 6.0 5.2 2.6
(17.4) (15.2) (13.2) (11.4) (5.7)
6.3
(13.8)
4444444
(91′10″)
(98′5″)
(104′12″)
(111′7″)
32
34
(65′7″)
(72′2″)
(78′9″)
(85′4″)
(45′11″)
(52′6″)
Length of jib(m) (ft)
radius(m) (ft)
14
(45′11″)
(52′6″)
radius(m) (ft)
14
Length of jib(m) (ft)
Load Charts of Boom Hook for LJ Operating condition
( not including Jib hook, counterweight (187.8+12.8)×1000lbs, angle between boom and jib 23°) Unit：kg(lb)×1000
55.5
(182′1″)
Length of boom(m)
(59′1″)
(65′7″)
28
(111′7″)
穿绳数Number of rope
32
34
24
26
30
(85′4″)
(91′10″)
(98′5″)
(104′12″)
22 22
(72′2″)
(78′9″)
20
16
18
20
(59′1″)
18
Length of boom(m)
16
穿绳数Number of rope
28
30
24
26
4.6: 23/28
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