计算选型
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绳槽断面尺寸(JB/T 9005.1—1999) |
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本标准的绳槽半径 R 是根据钢丝绳直径 d 的最大允许偏差为 +7％ 确定的 钢丝绳绕进或绕出滑轮槽时偏斜的最大角度(即钢丝绳中心线和与滑轮轴垂直的平面之间的角度)应不大于4° 绳槽表面粗糙度分为两级： 1级：Ra6.3μm 2级：Ra12.5μm
标记示例： 滑轮绳槽半径 R＝13.5 mm，表面粗糙度为2级的绳槽断面，标记为：绳槽断面 13.5-2 JB/T 9005.1—1999 mm |
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钢丝绳 直径 d |
R |
H |
B1 |
E |
C |
参 考 尺 寸 |
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尺寸 |
极限偏差 |
R1 |
R2 |
R3 |
R4 |
M |
N |
S |
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1 级 |
2 级 |
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5～6 |
3.3 |
＋0.1 0 |
＋0.2 0 |
12.5 |
22 |
15 |
0.5 |
7 |
5 |
1.5 |
2.0 |
4 |
0 |
6 |
|
＞6～7 |
3.8 |
15.0 |
26 |
17 |
0.5 |
8 |
6 |
2.0 |
2.5 |
5 |
0 |
7 |
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＞7～8 |
4.3 |
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|
18 |
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＞8～9 |
5.0 |
17.5 |
32 |
21 |
1.0 |
10 |
8 |
2.0 |
2.5 |
6 |
0 |
8 |
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＞9～10 |
5.5 |
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|
22 |
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＞10～11 |
6.0 |
＋0.2 0 |
＋0.3 0 |
20.0 |
36 |
25 |
1.0 |
12 |
10 |
2.5 |
3.0 |
8 |
0 |
9 |
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＞11～12 |
6.5 |
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＞12～13 |
7.0 |
22.5 |
40 |
28 |
1.0 |
13 |
11 |
2.5 |
3.0 |
8 |
0 |
10 |
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＞13～14 |
7.5 |
25.0 |
45 |
31 |
1.0 |
15 |
12 |
3.0 |
4.0 |
10 |
0 |
11 |
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＞14～15 |
8.2 |
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＞15～16 |
9.0 |
＋0.4 0 |
27.5 |
50 |
35 |
1.5 |
16 |
13 |
3.0 |
4.0 |
10 |
0 |
12 |
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＞16～17 |
9.5 |
30.0 |
53 |
38 |
1.5 |
18 |
15 |
3.0 |
5.0 |
12 |
0 |
12 |
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＞17～18 |
10.0 |
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＞18～19 |
10.5 |
32.5 |
56 |
41 |
1.5 |
18 |
15 |
3.0 |
5.0 |
12 |
0 |
12 |
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＞19～20 |
11.0 |
35.0 |
60 |
44 |
1.5 |
20 |
16 |
3.0 |
5.0 |
14 |
0 |
14 |
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＞20～21 |
11.5 |
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＞21～22 |
12.0 |
63 |
45 |
1.5 |
20 |
16 |
3.0 |
5.0 |
14 |
2.0 |
14 |
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＞22～23 |
12.5 |
|
46 |
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＞23～24 |
13.0 |
37.5 |
67 |
48 |
1.5 |
20 |
16 |
4.0 |
6.0 |
16 |
2.5 |
16 |
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＞24～25 |
13.5 |
40.0 |
71 |
51 |
1.5 |
22 |
18 |
4.0 |
6.0 |
16 |
3.0 |
16 |
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＞25～26 |
14.0 |
|
52 |
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＞26～28 |
15.0 |
75 |
53 |
1.5 |
25 |
20 |
4.0 |
6.0 |
16 |
3.0 |
18 |
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＞28～30 |
16.0 |
＋0.4 0 |
＋0.8 0 |
45.0 |
85 |
59 |
2.0 |
25 |
20 |
5.0 |
6.0 |
18 |
4.0 |
18 |
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＞30～32 |
17.0 |
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|
61 |
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＞32～34 |
18.0 |
50.0 |
90 |
66 |
2.0 |
28 |
22 |
5.0 |
6.0 |
18 |
4.0 |
20 |
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＞34～36 |
19.0 |
55.0 |
100 |
72 |
2.5 |
32 |
25 |
5.0 |
8.0 |
20 |
4.0 |
20 |
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＞36～38 |
20.0 |
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|
73 |
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＞38～40 |
21.0 |
60.0 |
105 |
78 |
2.5 |
36 |
28 |
5.0 |
8.0 |
22 |
5.0 |
22 |
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＞40～41 |
22.0 |
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|
79 |
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＞41～43 |
23.0 |
65.0 |
115 |
84 |
2.5 |
36 |
28 |
6.0 |
8.0 |
25 |
5.0 |
24 |
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＞43～45 |
24.0 |
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|
86 |
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＞45～46 |
25.0 |
67.5 |
120 |
90 |
2.5 |
40 |
32 |
6.0 |
8.0 |
25 |
5.0 |
24 |
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＞46～47 |
70.0 |
125 |
92 |
3.0 |
40 |
32 |
6.0 |
8.0 |
28 |
6.0 |
26 |
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＞47～48.5 |
26.0 |
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|
94 |
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＞48.5～50 |
27.0 |
72.5 |
130 |
96 |
3.0 |
45 |
36 |
6.0 |
10.0 |
28 |
6.0 |
26 |
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＞50～52 |
28.0 |
75.0 |
99 |
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＞52～54.5 |
29.0 |
77.5 |
140 |
103 |
4.0 |
45 |
36 |
6.0 |
10.0 |
32 |
6.0 |
28 |
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＞54.5～56 |
30.0 |
80.0 |
106 |
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＞56～58 |
31.0 |
82.5 |
150 |
110 |
4.0 |
50 |
40 |
8.0 |
10.0 |
32 |
8.0 |
30 |
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＞58～60.5 |
32.0 |
85.0 |
114 |
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注：1．对于冶金起重机推荐用 1 级精度。 2．绳槽断面允许按JB/T 9005.2 匹配，将同一直径的滑轮按最大绳径作成一种。 3．参考尺寸是按铸铁滑轮提出的。 |
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