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Address: Road No.5,The Industrial District Of Longshan,Zhangqiu city,Shandong China
Tel.：+86-531-83628999
Phone1：+86-13220595111
Phone2：+86-18888316111
Phone3：+86-15588833931
WhatsApp：+86-15624587040
WeChat1：+86-13220595111
WeChat2：+86-15624587040
E-mail：zhe@zeyucrane.com
E-mail：jin@zeyucrane.com
QTZ250(7025) Topless tower crane
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Description
Topless tower crane applies to cross operations, featuring quick installation and removal.
Loading capacity
|
Jib length(m) |
|
19.6 |
35 |
40 |
45 |
50 |
55 |
60 |
65 |
70 |
|
6t-35.7 |
|
6.00 |
6.00 |
5.40 |
4.52 |
3.95 |
3.49 |
3.10 |
2.78 |
2.50 |
|
12t-19.6 |
|
12.00 |
6.05 |
5.12 |
4.41 |
3.84 |
3.37 |
2.99 |
2.66 |
2.40 |
Mechanism specification
|
Hoisting |
|
2 |
4 |
KW |
|
m/min |
0-45 |
0-22.5 |
55 |
|
|
T |
6 |
12 |
||
|
Trolleying |
|
m/min |
0-60 |
5.5 |
|
Slewing |
|
r/min |
0-0.6 |
7.5*2 |
|
Climbing |
|
m/min |
0.4 |
11 |
|
Necessary electric power |
81 |
|||
|
Main supply |
~380V/50Hz |
|||
|
Jib length(m) |
40 |
50 |
60 |
70 |
|
Counterbalance(t) |
17.5 |
20.5 |
21.5 |
23.5 |
Honor
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FAQ
...
Bolts are loose and not tightened
Preventive measures: After the tower crane is installed, the bolts of each link must be tightened again and tightened regularly during use, with an interval of no more than one week. A new tower crane must be tightened no more than once every three days in the first two months of use.
Verticality out of tolerance
Preventive measures: When burying the tower crane foundation base, carefully perform leveling, especially after the concrete is poured, the leveling must be checked again. During use, after anchoring and jacking, the verticality must be checked in time. If a problem is found, find out the cause in time and put it back in place.
Open welding, cracks, deformation, twisting, etc. of the frame
Preventive measures: Before entering the site, carefully check whether there are any defects in the standard section, big arm, balance arm and other parts. If you want to paint, you must check before painting.
Water accumulation on foundation
Preventive measures: Set up a water accumulation pit and use a sewage pump to pump out the accumulated water.
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Contact Us
Address: Road No.5,The Industrial District Of Longshan,Zhangqiu city,Shandong China
Tel.：+86-531-83628999
Phone1：+86-13220595111
Phone2：+86-18888316111
Phone3：+86-15588833931
WhatsApp：+86-15624587040
WeChat1：+86-13220595111
WeChat2：+86-15624587040
E-mail：zhe@zeyucrane.com
E-mail：jin@zeyucrane.com
ZhenHua Packing Machinery
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