Flat Top 20 Ton Tower Crane
Max. boom length :80 m
Max. hoisting capacity at jib end :3.5t
Max. free standing height : 68.3m
Description
Technical Parameters
Zhejiang Construction Engineering Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of flat top 20 ton tower crane in China. With abundant experience, we warmly welcome you to buy advanced flat top 20 ton tower crane made in China here from our factory. Good service and quality products are available.
This is a form of a balance crane. When it is fixed to the ground, tower cranes have height up to160m tall, that makes these invaluable machines on a construction site. Tower cranes are a must-have for tall building projects, this construction crane max capacity is 6t, jib length is 57m.
Flat-top cranes have a horizontal jib, without a traditional sloping top, which allows them to be placed close to each other on crowded construction sites.
Mechanism specification
|
Hoisting
|
Fall |
|
|
||||
|
Load capacity (t) |
2.25 |
4.5 |
9 |
4.5 |
9 |
18 |
|
|
Speed (m/min) |
76 |
38 |
23 |
38 |
23 |
18 |
|
|
Power (kW) |
75 |
||||||
|
Slewing
|
Speed (r/min) |
0～0.8 |
|||||
|
Max.torque(N·m) |
2×145 |
||||||
|
Trolleying
|
Speed (m/min) |
0～69 |
|||||
|
Power (kW) |
7.5 |
||||||
|
Climbing
|
Speed (m/min) |
0.33 |
|||||
|
Power (kW) |
15 |
||||||
|
|
122 |
||||||
(t)
Weight: the weight of underground section without load and ballast with longest jib and maximum free-standing height
Tower Crane Operating Procedures
The operation of a tower crane involves a series of standardized procedures to ensure safe and efficient operation:
- Assembly: Tower cranes are assembled piece by piece, with the base fixed on a stable foundation. The mast section is added vertically and the jib is mounted on top.
- Load Handling: A qualified operator uses the crane's controls to lift and move material according to project requirements, taking into account load limits and balance.
- Communication: Effective communication between the crane operator and those on the ground (usually via radio or hand signals) is critical to preventing accidents and ensuring correct load placement.
- Maintenance: Regular maintenance and inspections to ensure the crane's mechanical components and safety systems are functioning properly.
Advantages of Tower Cranes
- Strong lifting capacity: Tower cranes can lift extremely heavy loads and are suitable for a wide variety of construction tasks.
- Versatility: They can be adapted to a variety of project types and sizes.
- Efficiency: Tower cranes speed construction by streamlining material handling processes.
- Accuracy: Accurate load placement contributes to the quality and integrity of the final structure.
- Health and safety considerations for tower cranes: Safety is of paramount importance in construction and tower crane operation involves inherent risks that must be carefully managed.
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