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QTZ40 TC4708 tower crane, a type of top slewing self-erecting tower crane, as the latest type of crane transportation machinery, it is designed with “Tower Crane Computer-designing Platform” as the tool. In the process of designing, group technology, combination design technology and finite element analysis technology are made full use of in combination of international advanced tower crane technology and the demand of domestic building market.
This machine is the crane with vertical arm support, trolley travel and up-rotary hydraulic jack-up system. Its maximum effective amplitude is 47 m. Its maximum lifting moment is 400kN•m. When used alone, its lifting height is 29 m and attaching lifting height 120 m (α=2).
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Items |
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lifting speed |
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α=2 |
α=4 |
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Rated lifting moment |
KN.m |
400 |
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Maximum lifting weight |
t |
2 |
4 |
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Operating amplitude |
m |
3 – 47 |
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Maximum amplitude lifting weight |
t |
0.8 |
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Maximum lifting weight amplitude |
m |
11 |
20.97 |
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High lifting height |
Independent type |
m |
29 |
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Attachment type |
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120 |
60 |
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Outline dimensions of the whole machine |
Under- |
m |
6.0×6.0 |
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Height of whole machine |
Independent type |
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38.284 |
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Attachment type |
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129.484 |
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From boom end to rotary center |
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48.74 |
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From balance arm tail to rotary center |
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12.816 |
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Deadweight of whole machine |
Independent type |
t |
22.528 |
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Attachment type |
t |
42.7 |
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Counterweight |
t |
6.4 |
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Motor total power |
kW |
25.1 |
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Maximum installation height working wind scale |
level |
≤6 |
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Allowed working temperature |
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-20-40 |
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