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QJY系列起重机械减速器
三
减速器的承载能力
2
QJY3,QJY23,QJYD3,QJYD23,QJYA3,QJYA23高速轴许用功率（工作级别为M5）见表3；
表3 QJY3,QJY23,QJYD3,QJYD23,QJYA3,QJYA23高速轴许用功率（工作级别为M5）
|
名义
中心
距
a1
mm
|
输出扭
矩
M0
Nm
|
输入
轴转
速
n
rpm
|
公称传动比
i
|
|
20
|
22.4
|
25
|
28
|
31.5
|
40
|
45
|
50
|
63
|
80
|
90
|
100
|
|
许用功率
P Kw
|
|
170
|
2585
|
750
|
|
9.6
|
8.12
|
7.25
|
6.44
|
5.07
|
4.51
|
4.05
|
3.22
|
2.54
|
2.25
|
2.03
|
|
1000
|
|
12.1
|
10.8
|
9.7
|
8.6
|
6.8
|
6
|
5.4
|
4.3
|
3.4
|
3
|
2.7
|
|
1500
|
|
18.1
|
16.2
|
14.5
|
12.9
|
10.1
|
9
|
8.1
|
6.4
|
5.1
|
4.5
|
4.1
|
|
200
|
5035
|
750
|
|
17.7
|
15.8
|
14.1
|
12.6
|
9.9
|
8.8
|
7.9
|
6.3
|
4.9
|
4.4
|
3.9
|
|
1000
|
|
23.5
|
21.1
|
18.8
|
16.7
|
13.2
|
11.7
|
10.5
|
8.4
|
6.6
|
5.9
|
5.3
|
|
1500
|
|
35.3
|
31.6
|
28.2
|
25.1
|
19.8
|
17.6
|
15.8
|
12.6
|
9.9
|
8.8
|
7.9
|
|
236
|
8550
|
750
|
|
29.98
|
26.9
|
23.9
|
21.3
|
16.8
|
14.9
|
13.4
|
10.7
|
8.4
|
7.5
|
6.7
|
|
1000
|
|
39.96
|
35.8
|
31.97
|
28.4
|
22.4
|
19.9
|
17.9
|
14.2
|
11.2
|
9.9
|
8.95
|
|
1500
|
|
59.95
|
53.7
|
47.96
|
42.6
|
33.6
|
29.8
|
26.9
|
21.3
|
16.8
|
14.9
|
13.4
|
|
280
|
14250
|
750
|
|
49.96
|
44.8
|
40
|
35.5
|
27.9
|
24.9
|
22.4
|
17.8
|
14.1
|
12.4
|
11.15
|
|
1000
|
|
66.6
|
59.7
|
53.3
|
47.4
|
37.3
|
33.2
|
29.8
|
26.9
|
21.2
|
18.8
|
16.9
|
|
1500
|
|
99.9
|
89.5
|
79.9
|
71.1
|
56
|
49.7
|
44.8
|
35.5
|
28
|
24.9
|
22.4
|
|
335
|
23750
|
750
|
|
83.3
|
74.6
|
66.6
|
59.2
|
46.6
|
41.4
|
37.3
|
29.6
|
23.3
|
20.7
|
18.7
|
|
1000
|
|
111.0
|
99.5
|
88.8
|
78.9
|
62.2
|
55.3
|
49.7
|
39.5
|
31.1
|
27.6
|
24.9
|
|
1500
|
|
166.5
|
149.2
|
133.2
|
118.4
|
93.3
|
82.9
|
74.6
|
59.2
|
46.6
|
41.4
|
|