QTZ40(4208) 4t China new construction hammer-head tower crane
Technical datas--QTZ40(4208) 4t hammerhead tower crane
| The rated lifting moment
|
400KN.M
|
| The max lifting capacity
|
4t
|
| The jib length
|
42m
|
| The radius
|
3-42(m)
|
| The tip load
|
0.8t
|
| The free standing height
|
29m/31m
|
| The attaching height
|
121m
|
| Main chord
|
140*140*12(mm)
|
| Mast section
|
1.5*1.5*2.2(m)
|
| Slewing angle
|
540°
|
| Material
|
Q345B Mn steel
|
| Work T
|
-20°C~+40°
|
loading capacity
| Jib length(m)
|
|
11
|
13
|
16
|
19
|
21
|
24
|
27
|
30
|
34
|
36
|
38
|
41
|
42
|
| 2t-20.97m
|
2 rate
|
2
|
2
|
2
|
2
|
1.996
|
1.723
|
1.510
|
1.34
|
1.159
|
1.084
|
1.017
|
0.829
|
0.8
|
| 4t-10.96m
|
4 rate
|
3.986
|
3.343
|
2.68
|
2.23
|
1.996
|
1.723
|
1.510
|
1.34
|
1.159
|
1.084
|
1.017
|
0.829
|
0.8
|
Mechanism specifications
| Hoisting
|
2 fall
|
4 fall
|
KW
|
| m/min
|
65.1
|
32.6
|
13.0
|
31.9
|
15.9
|
6.4
|
15/15/4
|
| t
|
0.8
|
2
|
2
|
1.6
|
4
|
4
|
| Trolleying
|
m/min 40/26
|
2.8/2.2
|
| Slewing
|
r/min 0.75
|
5.5
|
| Climbing
|
m/min 0.4
|
3
|
| Necessary electric power
|
26.3
|
| Main supply
|
~380V 50Hz/440V 60Hz
|
| Jib length (m)
|
42
|
| Counterbalance (t)
|
6.85
|
The features of QTZ40(4208)--4t tower crane from good china tower crane manufacturers
1) The hydraulic climbing system
It adopts standard section hydraulic lifting andconnecting, and can decide the crane height according to the actual height ofthe building, The max. attached height can reach 180m.
2) The lifting mechanism
The coiling frequency motor and mono-speed ratiodecelerator is applied in the lifting mechanism, which enables heavy load lowspeed and light load high speed.
3) The trolleying mechanism
The range-change structure drives the dolly to changerange on the horizontal arm, with good positioning performance.
4) The slewing mechanism
Planet gear decelerator is used in the slewing structure,together with moment-limiting hydraulic coupler, which ensure highload capacity, steady starting and reliable operation.
PACKING AND INSTALLATION
after-sale service
1.One year warranty will be offered,
2. a full set of accessories are provided
3. a full set of quick-wear parts are provided
4. Besides, Professional service team is available to give technical support for the installation and maintenance of Tower Crane and construction hoist.
5. Consulting hotline to receive customers’s inquiry and regularly inquiry the customer machine usage condition, and offer technical guidance and solution to problems in operation and maintenance.
6. tower crane oversea service: for installation and debug, We shall send one technician to the site to provide guidance on installation and debugging and the training of operators if necessary.
As a professional exporter,our target is to serve worldwide clients with high-quality products, great-reliability, devoted responsibility,professional services and honorable credibility to meet customers’ requirements in all aspects. We will supply you 24 hours a day and 7 days a week after-sale services.
If you want to know more about our products, pls contact us by email or phone. Also welcome consult us any question at your convenience, any inquiry or kind suggestions from you will be very appreciated.
Looking forward your kindly inquiry and hope to help your strong business in near future!
