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QJY系列起重机械减速器
三
减速器的承载能力
1
QJY2,QJYD2,QJYA2高速轴许用功率（工作级别为M5）见表2；
表2
QJY2,QJYD2,QJYA2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
|
|
6.3
|
7.1
|
8
|
9
|
10
|
11.2
|
12.5
|
14
|
16
|
18
|
20
|
|
许用功率
P Kw
|
|
140
|
1550
|
750
|
19.4
|
17.2
|
15.3
|
13.6
|
12.2
|
10.9
|
9.8
|
8.7
|
7.7
|
6.8
|
6.1
|
|
1000
|
25.9
|
23
|
20.4
|
18
|
16.3
|
14.6
|
13
|
11.7
|
10.2
|
9
|
8.2
|
|
1500
|
38.8
|
34.5
|
30.6
|
27.2
|
24.5
|
21.8
|
19.6
|
17.5
|
15.3
|
13.6
|
12.2
|
|
170
|
2585
|
750
|
32.2
|
28.6
|
25.4
|
22.5
|
20.3
|
18
|
16.2
|
14.5
|
12.7
|
11.3
|
10
|
|
1000
|
42.9
|
38.1
|
33.8
|
30
|
27
|
24
|
21.6
|
19.3
|
16.9
|
15
|
13.5
|
|
1500
|
64.4
|
57.2
|
50.7
|
45
|
40.6
|
36.2
|
32.5
|
29
|
25.4
|
22.5
|
20.3
|
|
200
|
5035
|
750
|
62.8
|
55.7
|
49.4
|
43.9
|
39.5
|
35.3
|
31.6
|
28.2
|
24.7
|
22
|
19.8
|
|
1000
|
83.7
|
74.3
|
65.9
|
58.6
|
52.7
|
47
|
42.2
|
37.7
|
35
|
29.3
|
26.4
|
|
1500
|
125.5
|
111.4
|
98.9
|
87.9
|
79
|
70.6
|
63.3
|
56.5
|
49.4
|
43.9
|
39.5
|
|
236
|
8550
|
750
|
106.6
|
94.6
|
83.9
|
74.6
|
67.1
|
60
|
53.7
|
48
|
42
|
37.3
|
33.6
|
|
1000
|
142.1
|
126
|
111.9
|
99.5
|
89.5
|
79.9
|
71.6
|
63.9
|
56
|
49.7
|
44.8
|
|
1500
|
213.2
|
189
|
167.9
|
149.2
|
134.3
|
119.9
|
107.4
|
95.9
|
83.9
|
74.6
|
67.1
|
|
280
|
14250
|
750
|
177.6
|
157.6
|
139.9
|
124.3
|
111.9
|
99.9
|
89.5
|
79.9
|
69.9
|
62.2
|
56
|
|
1000
|
236.8
|
210
|
186.5
|
165.8
|
149.2
|
133.2
|
119.4
|
106.6
|
93.3
|
82.9
|
74.6
|
|
1500
|
355.3
|
315.2
|
279.8
|
248.7
|
223.8
|
199.8
|
179
|
159.9
|
139.9
|
124.3
|
111.9
|
|
335
|
23750
|
750
|
296
|
262.7
|
233
|
207.2
|
186.5
|
166.5
|
149.2
|
133.2
|
116.6
|
103.6
|
93.3
|
|
1000
|
394.7
|
350.3
|
311
|
276.3
|
248.7
|
222
|
199
|
177.6
|
155.4
|
138
|
124.3
|
|
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