Product introduction
The electrical system adopts ABB and Schneider brand electrical components, with stable and reliable performance. The main parts of the tower crane adopt CO2 gas shielded welding and fully automatic submerged arc welding, which greatly improves the stability of the whole machine, runs smoothly, and has good adjustment performance;
Product Features
ZTT466B flat-top tower crane performance introduction: ZTT466B 20-ton flat-top tower crane is made of Q345B steel with the main stressed steel structural components, and the standard section of the tower body is 2.27*2.29*6m. The slewing adopts a double-slewing mechanism, and the hoisting mechanism is driven by a double-speed winding motor, which runs smoothly.
● Strong power and outstanding efficiency
● Sensitive operation and Precise control
● Durable,worry-free service
ZTT466B 20T topless Tower crane technical parameter
| Mechanism | 2Fall | 4Fall | Drum capacity | Motor | ||||
| (ZTT466B 20T) | m/min | t | m/min | t | KW | |||
| Hoisting | 20T | 120LVF50 | 0-45 0-68 0-90 |
10.0 5.0 2.5 |
0-22.5 0-34 0-45 |
20.0 10.0 2.0 |
680m | 90 |
| Trolleying | 11JXF10 | 0-65m/min | 11 | |||||
| Slewing | RVF7.5 | 0-0.7rpm | 3*7.5 | |||||
| RCV145 | 0-0.7rpm | 3x145N.m | ||||||
| Travelling | RT | 12.5-25 m/min | 4*2.6/5.2 | |||||
| Pressure | KVA | |||||||
| 380V(±10%) 50HZ | 120LVF50/120LVF50B: 165 | |||||||
Tower crane production flow chart
Our service
(1) Warranty: Each product sent out enjoys a one-year warranty.
(2) Spare parts: ZTM is committed to providing our customers with genuine spare parts of the highest quality, accurate application and appropriate functions. If necessary, please submit your spare parts request and list the product name and description of the required parts. We will ship it as soon as possible.
(3) Installation and maintenance: ZTM can provide the overall installation of complex machinery, allowing you to start the normal operation of construction machinery solutions. After installation, we will inspect the whole machine, operate the equipment, and provide you with a test data report for installation and operation.
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FAQ
What is the main use of a tower crane?
Tower cranes are mainly used in high-rise construction, especially when there is a need to vertically lift heavy loads or large components. They provide an efficient lifting solution on construction sites.
What is the working principle of a tower crane?
A tower crane operates with a rotating mast and jib. It lifts heavy objects using a hook powered by an electric motor, with steel cables that carry the load during lifting operations.
What are the main safety measures for tower cranes?
Safety measures for tower cranes include regular inspections and maintenance, operator training, overload prevention systems, and the installation of limit devices.
What is the lifting capacity of a tower crane?
The lifting capacity of a tower crane depends on the model and configuration, typically ranging from several tons to several hundred tons.
Are tower cranes suitable for all construction projects?
Tower cranes are primarily used for high-rise buildings and large-scale construction projects. They may not be suitable for low-rise buildings or smaller projects.
What is the typical rental cost for a tower crane?
The rental cost of a tower crane varies depending on the crane's specifications, rental duration, and location, typically ranging from several thousand to tens of thousands of RMB.
ZTT466B Flattop Tower Crane 20t Capacity 70m Jib Length 5.5t Tip Load Hot Selling Construction Hoist Crane
Product Model：
- Commodity name： ZTT466B Flattop Tower Crane 20t Capacity 70m Jib Length 5.5t Tip Load Hot Selling Construction Hoist Crane
- Max. hoisting capacity： 20
- Max. hoisting capacity at jib end： 5.5
- Max. boom length： 70
- Max. free standing height： 78.5
- Max. jib Length： 70
- Tip Load： 5.5
- Independent height (m)： 78.5
- Standard section configuration： ZL25
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