• TOWER CRANE TC4708C System 1
  • TOWER CRANE TC4708C System 2
  • TOWER CRANE TC4708C System 3
  • TOWER CRANE TC4708C System 4
TOWER CRANE TC4708C

TOWER CRANE TC4708C

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 set
Supply Capability:
12 set/month

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Technology is the drive for business development and production equipment the assurance of product quality. In the large-scale concentrated production, the stability and uniformity of product quality plays an essential role. The company constantly improves processing equipment. The automatic assembly line ensured quality stability and maximally reduced adverse effect of personal factor to the product quality. As a result, the one-time qualification rate of the products is improved and the company is able to win continuous trust from customers。

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.

The construction hoist product  produced has achieved internationally advanced level in terms of industrial design, control and the drive performance, as well as the operation safety and comfortableness. And is also making efforts to keep improving the product, as what the construction hoist lifts is not only people and material, but also a kind of social responsibility and service concept…
The new generation SC series of construction hoists adopt modular structure, ergonomic design and advanced manufacturing technology, thus the adaptability and reliability of the product is greatly improved, e.g. the max. lifting height can reach 300 meters. The product adopts multiple patented technologies, reaches advanced level in China, and the market share in domestic market is increasing year by year. The product has also been exported to overseas countries like Russia, Turkmenstan, Vietnam, etc. winning the confidence of customers of both home and abroad

1. The cage drive system is equipped with buffering device, so the cage moves more stable.
2. The ergonomically designed cage interior improves comfortableness.
3. The unique structural design has applied for patent.
4. The typical technologies ensure the malposition difference of the guide rail.
5. The excellent parts in the industry ensures reliable quality of the machine.
6. Precise assembly and accurate drive.
7. Professional solutions for special projects.
8. The complete safety devices ensures reliable control system.
 

 

 

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

 

 

 

Q: Between these two authors, I dont see any similarities in literary style, specifically focusing on The Moon is Down and The Red Badge of Courage. Maybe observing from a different point of view (yours) could help me.Also, if there is no significant similarity, do similarities exist in setting, conflict, or characters instead?Thanks!
Try Maggie: A girl of the streets, which is the novel I think of for Crane being part of the Realist school. I think you can also see Steinbeck, in his selection of subjects as being in that same school of fiction. So less for their style and more for their choice of subjects.
Q: A. to make everyone become a CommunistB. to become rich at the expense of othersC. to kill all the villagersD. nothing in particular
The main idea of Cranes by Hwang Sun-Won is more of a symbolic thing; he uses different objects such as chestnuts and cigarettes, as well as the cranes in the story to convey his hope and his dream, along with his message. He is expressing the power of war, particularly civil war, which can rip apart families, neighbors and the best of friends. The story, unlike many other tragic civil war tales, is not focused on the idealogical difference btw Tok-Chae and Song-Sam. Rather, it is about the human tragedy of the Korean War. Tok-Chae and Song-Sam were ripped apart by the War. Song-Sam, on his return to his village, he finds Tok-Chae and decides to escort him to a Public Peace Police office a few miles away. On the way, he gets flashbacks and talks with Tok-Chae. These things help to change his mind and he frees Tok-Chae. This is symbolized by the two cranes which soared high into the sky. Hwang-Sun Won conveys his message effectively; unification will be achieved and is needed to repair such ties like Tok-Chae and Song-Sam. He is saying that the two cranes will fly together once more.
Q: my friend is in the hospital with really bad burns
A really long string. Or have I misunderstood the question?
Q: I've always been puzzled how cranes operate.Because as buildings get taller so do cranes but i don't know how they increase the height of the cranes.Can you help answer this please?
search for others, animation and video of process more edit Some cranes actually climb the structure of the building and are taken apart when the building reaches its full height.
Q: ok I found an injured crane what do I feed it?
Cranes are omnivores. But I would feed crane with vegetarian stuff like grain, berries, plants, roots, seeds, stems, bulbs, fruits, nuts. But if you want make it non vegetarian then rodents, fish, amphibians, snakes, rodents, lizards, small fish, frogs, shellfish, mollusks and crustaceans.
Q: this wind speed refers to that height of wind speed?
This is not on the project department climbed to tower crane to measure wind speed, regardless of height, is listening to the local meteorological station forecast, more than five winds, should stop working.
Q: I ve read about crane flies and many experts say they do not bite nor sting. Ifor that is the case, what is the little piece of their abdomen that looks like a stinger?
It's an ovipositor. The thing goes under bark and lays their eggs there.
Q: in the title. any books that talk about the physics in a tower crane? or any crane in general? or a similar machine to a crane?
Hi, Well, this is an interesting topic about physics and requires to have a basic knowledge, correct? So here we have some books: - Chopra, K. A. Dynamics of Structures: theory and applications to earthquake engineering. - Bostelman, R., et al. “Toward Next-generation Construction Machine,” Proceeding of American Nuclear Society 9th International Topical Meeting on Robotics and Remote Systems. - Gore, Bryson. Trucks, Tractors, And Cranes. - Grote Antonsson, editors. Handbook of Mechanical Engineering. - Seidel, Michael. Tensile Surface Structures. B-) FL ------------- You cannot teach a man anything; you can only help him discover it in himself.” (Galileo Galilei)
Q: my overhead crane refuse to work transvesely
Limit switch replacement requires adjustment of the cranes travel limits. The limits are imposed by the manufacturer for the application. This service is normally factory authorized only.
Q: So, this might seem like an odd question, but here goes.I work in an office and outside the windows there's a crane. Every day I come in from work, it has turn a little. The half-finished building that it stands next to is not being worked on and there's never anyone using the crane during the day. There's no other construction going on in the area is stands at.It's pretty high up like 6th to 7th floot and it's in a windy town. Does that matter?Why would someone turn around a crane during the night? Is it all a scheme to make me paronoid because they know I'm starring out the window most of the day?
Hi Peter no matter how good he brake on the turn table of the crane is it will be effected by the direction of the wind blowing at any time so it will have some influence on the direction the jib or the crane is in. it will turn just like a weather vane does. it is actually a safety feature.

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