FANGYUAN TOWER CRANE TC4708

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1. The lifting boom and balance boom adopt cantilever boom structure, which reduces the hoisting modular and makes it more safe, convenient and flexible to install and uninstall, and reduces the requirements for hoisting equipment and the site.
2. Multiple special mounting brackets are available, which saves the installation time and ensures safe and quality installation.
3. The lifting boom adopts cantilever boom structure and variable cross-section materials, featuring more reasonable structural stress and long service life; and it is easier to make different combination of boom length.  
4. It adopts standard sections (for models of over 12t) of piece assembly structure, split structure stock, and assembled platform, which meet the transport requirements for standard container.
5. The extra-long boom is designed with a rope-supporting trolley, and the speed of which is 1/2 of that of the luffing trolley, which can achieve the most optimum rope-supporting effect. The structure has applied for national patent.
6. The lifting mechanism adopts speed regulation by frequency control or by eddy current brake series resistance, featuring good lifting performance; The slewing system adopts frequency control by torque electric motor or by coil winding type electric motor with hydraulic coupler, featuring smooth operation and small slewing impact.
7. All kinds of safety devices are reliable and easy to adjust; both the safety monitoring control system and traditional safety system are available, the double system ensures safety operation of the tower crane; the hydraulic system adopts low/medium pressure design, featuring higher safety and reliability.

Tower Cranes(Top-Slewing)    

Model

Max.lifting capacity & work range

Max.work range & lifting capacity

Max.independent lifting height(m)

Torque

Lifting capacity at max.boom length

Lifting capacity(t)

Work range(m)

Work range(m)

Lifting capacity(t)

QTZ31.5

TC3508

3

11.59

35

0.8

29

TC3807

3

11.15

38

0.7

29

QTZ40

TC4208

4

11.6

42

0.8

29

TC4708

4

13.4

47

0.8

29

QTZ50

TC4610

5

11.9

46

1

36

TC5010

5

13.1

50

1

36

QTZ63

TC5013

6

13.72

50

1.3

40

TC5013A

6

13.72

50

1.3

40

TC5510

6

13.17

55

1

40

TC5510A

6

13.17

55

1

40

QTZ80

TC5512

8

12.68

55

1.2

45

QTZ100

TC6013

8

14.45

60

1.3

45

QTZ125

TC6014A

10

12.4

60

1.4

50

QTZ160

TC6020

10

15.2

60

2

52.6

QTZ250

TC7030

12

20.4

70

3

45

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Q:Is a tower crane a fixed type crane? Still can walk? Thank you
It can also be called a fixed crane. But there are many kinds of fixed cranes.
Q:How many stops are there in a tower crane? Where are they located in the tower cranes?
The hook has an upper limit on the windlassThe car has front and rear spacing on the trolley hoistSlewing is limited to the slewing gearAnd the torque limit is on the spireWeight limit
Q:All types of jack up cranes. How is the maximum lifting torque converted?
The moment of the tower crane is set up by the factory, and can not be changed. How do you want to convert it?If the nominal torque is converted to kn tons, 1 tons is equal to 9.8 kn.
Q:Tower crane attached concrete pump can be? Are there any state regulations?
Do not need to expressly can not tower crane work mode cannot withstand recoil thrust and level, and these forces or dynamic load, if the use of the tower crane is not an accident, almost impossible, then help the wall studs, will fall off, the consequences are not dare to think.
Q:Tower crane TC6013A-6-A2, what does "A-6-A2" mean later?
This is the old saying. The international standard is now used. For example, the QTZ100T.M lifting torque is 980KN.M (kn. Meters).The QTZ100 is similar to the lifting torque of the TC6013. But not the same model.
Q:How many motors does the ZOOMLION TC6013A-6 tower crane use?
Model: YZRDW225M-4/8 power: 24/24KW speed: 1420/725r/minDirect search {ZOOMLION QTZ80 (tc6013) _ crane Manual Part 1 (Part Two)}, can also be found.
Q:What kind of bodies are tower cranes made of?
Two. The metal structure of tower craneThe metal structure of tower crane is mainly composed of underframe, tower body, jacket, upper and lower support, suspension arm, balance arm, tower top and other main components.Metal structure is the framework of tower crane, which bears the deadweight of crane and all kinds of external loads during operation.Three. Power unit and control systemThe power unit is the power source of the crane, and the power source of the tower crane is an electric motor with an external power supply.The control system includes controls and safety devices. Control device for tower crane is composed of a linkage control console, distribution box, resistor box components, the safety device is mainly composed of height limiter, amplitude limiter, lifting weight limiter, moment limiter, slewing limiter etc..Through the control system, the movement characteristic of the crane can be changed, so as to realize the starting, speed regulation, modification, braking and stopping of each mechanism, so as to achieve various actions required by the crane operation.
Q:The special equipment specified by the state is a periodical inspection cycle, wherein the crane is carried out every many years
Article fifth of the rules for periodical inspection of crane machinery promulgated by the aqsiq:The periodic inspection period for lifting machines is as follows:(1) tower cranes, elevators and mobile cranes are 1 times a year; among them, the type of container type gantry crane is 1 times every 2 years.
Q:What is the scope of the installation and disassembly of self lifting tower cranes and the applicable range of the cost and the off-site transportation cost?
The installation and disassembly of the existing self rated tower crane, the first cost and the off-site transportation cost quota are divided by the lifting moment 1000kNm and 2000kNm of the jack up tower crane.
Q:What are the main parameters of a tower crane?
Generally speaking, the main parameters of the tower crane are:Maximum amplitude unit MMaximum lifting height, unit MMaximum lifting torque unit KN.mMaximum lifting speed unit m/minMaximum lifting unit tRotational speed unit r/minVariable speed unit m/min or o/minWalking speed per unit m/minMotor power unit w......Please refer to the product manual.

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