传动机构速比: ;
齿轮传动效率:
电动机的额定电磁转矩为:
负载转矩为:
负载转矩折算到电动机轴头的输出转矩为:
所以:
因为重物上升的速度为,
所以卷筒的转速为:
电动机的转速为:
吊钩及重物的飞轮总力矩为:
系统的总飞轮矩为:
1
2
3
42
j
j j j
=
=
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3
90
.
0
=
η
73
.
0
=
25
9550
9550
217
1100
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N
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P
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(
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(
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m
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m
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=
6370
8
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9
2500
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2
5
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195
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6370
j
总
总
η
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9
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s
m
6
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0
min
9
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22
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60
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min
963
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42
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.
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r
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总
(
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2
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92
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1100
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365
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