(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″)
86.7 85.0 83.4 81.8 80.6 79.5 77.7
(191.1) (187.3) (183.8) (180.3) (177.6) (175.2) (171.2)
66.4 64.8 63.4 61.9 60.9 59.9 58.3
(146.3) (142.8) (139.7) (136.4) (134.2) (132) (128.5)
50.7 49.3 47.9 46.6 45.7 44.7 43.2
(111.7) (108.6) (105.6) (102.7) (100.7) (98.5) (95.2)
40.3 39.0 37.7 36.5 35.6 34.7 33.3
(88.8) (85.9) (83.1) (80.4) (78.4) (76.4) (73.4)
32.3 31.0 29.8 28.7 27.9 27.1 25.9
(71.2) (68.3) (65.6) (63.2) (61.5) (59.7) (57)
26.4 25.2 24.1 22.9 22.2 21.4 20.1
(58.2) (55.5) (53.1) (50.4) (48.9) (47.1) (44.3)
21.8 20.6 19.5 18.4 17.6 16.9 15.7
(48) (45.4) (42.9) (40.5) (38.8) (37.2) (34.6)
18.0 16.9 15.8 14.7 14.0 13.2 12.1
(39.6) (37.2) (34.8) (32.4) (30.8) (29.1) (26.6)
14.9 13.8 12.8 11.8 11.1 10.4 9.3
(32.8) (30.4) (28.2) (26) (24.4) (22.9) (20.5)
12.3 11.3 10.4 9.5 8.7 8.0
(27.1) (24.9) (22.9) (20.9) (19.1) (17.6)
10.2 9.2 8.2 7.3 6.6 5.9
(22.4) (20.2) (18) (16) (14.5) (13)
8.3 7.3 6.4 5.5
(18.2) (16) (14.1) (12.1)
7777766
(32′10″)
(39′4″)
(98′5″)
(104′12″)
(72′2″)
(78′9″)
(85′4″)
(91′10″)
(32′10″)
(39′4″)
Load Charts of Boom Hook for LJ Operating condition
Length of boom(m)
10
radius(m) (ft)
Length of boom(m)
( not including Jib hook, counterweight (187.8+12.8)×1000lbs, angle between boom and jib 23°) Unit：kg(lb)×1000
43.5
(142′9″)
(45′11″)
(52′6″)
(59′1″)
32
穿绳数Number of rope
32
穿绳数Number of rope
(104′12″)
28
30
28
30
(91′10″)
24
26
24
26
(78′9″)
20
22
20
22
(65′7″) (65′7″)
16
Length of jib(m) (ft)
radius(m) (ft)
10
12
(45′11″)
(59′1″)
(72′2″)
(85′4″)
(98′5″)
Length of jib(m) (ft)
12
14 14
18
16
18
(52′6″)
4.6: 15/28
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