• Tower Cranes Model Self-ascending Building QTZ40( 4808) System 1
  • Tower Cranes Model Self-ascending Building QTZ40( 4808) System 2
  • Tower Cranes Model Self-ascending Building QTZ40( 4808) System 3
Tower Cranes Model Self-ascending Building QTZ40( 4808)

Tower Cranes Model Self-ascending Building QTZ40( 4808)

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
1 unit
Supply Capability:
1000 unit/month

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QTZ40( 4808) Description

Feature: Tower Crane                  Condition: New 

Application: urban construction    Rated Loading Capacity:4T 

Rated Lifting Moment:400KN.M    Max. Lifting Load: 4T 

Max. Lifting Height:120M              Span: 3-48M 

Model Number:QTZ40( 4808)

Certification: ISO9001:2000; CE;Ukraine & Belarus Certificate 

Colour: Orange/ Yellow 

After-sales Service Provided: Overseas third-party support available 

QTZ40( 4808) Features

1.Ten years of experience in supplying new self-erecting tower crane with Taiwo Brand.

2. Export to more than 20 countries with CE/ISO/GOST Certificates.

3. Stationary/Travelling, external/ internal climbing tower crane 

4. Impeller blasting/rust protection paint

5. Advanced painting process

6. Potain masts designed with dismountable panels, making teansport easier and cheaper. 

7. New designed mast, can be used to Internal and external climbing tower crane

8. Engineers available to service machinery overseas.   

QTZ40( 4808) Specification

Tower Cranes Model Self-ascending Building QTZ40( 4808)

QTZ40( 4808) Pictures

Tower Cranes Model Self-ascending Building QTZ40( 4808)

Tower Cranes Model Self-ascending Building QTZ40( 4808)

Tower Cranes Model Self-ascending Building QTZ40( 4808)

QTZ40( 4808) FAQ

Q: What is counter weight? How kinds?

A: Counter weight is for balance the suspension mechanism. There are 2 kinds of counter weight, one is made by iron, the other is by concrete. 


Q: What is the function of the monitor?

A: Monitor, namely inspection system (like black box), which could store 10000 tower crane operation reports, and it is recommended to be installed in big cranes more than 16t.


Q: Can you equip with light on tower crane jib, monitor, remote control and anemometer?

A: Sure. All of these could be provided with extra cost upon the clients’ requirements. But according to general practice, remote control is not suggested because most of the operator feedback operation in the cabin will provide a wide working view.





Q:I read a book a year ago about sadako sasaki who tried to make all 1000 paper cranes to live. Do you have to keep saying your wish over again when your making them, and when you finished making all 1000 how long did you wait until your wish came true??
you make your wish once your done cause you only get the wish if you have 1000 cranes right so saying your wish when you only have 6 won't do anything. it can come true the next day till the next year or ten years it not something definite. I've never made 1000 but I think I will.
Q:I have some cranes in our field next door and I was wondering do they eat chickens? I live in Wisconsin.?
Ha ha ha, You have nothing to worry about!
Q:how do you make an electromagnet crane?
Well I guess you would need a big electromagnet, a large power source and a crane. You would need to wind a huge coil around an iron bar, feed it with lots of direct current and stick it on a crane.
Q:In the private training session, Katniss Everdeen creates a noose, hangs a practice dummy, and uses the paint to write: Seneca Crane. I know this name is mentioned earlier in the book, but I don't remember who Seneca Crane is... Remind me, please?
Seneca Crane is the previous Gamemaker who decided to allow Peeta and Katniss to live after the berry incident. The Capitol killed her and replaced her for that act of mercy. That's why Katniss hung her; she was rebelling against the Capitol and implying that they murdered Seneca Crane.
Q:how is a tall crane constructed? how can they put the crane on top of its tall body frame?
They first construct the top of crane on the ground with help from other mobile cranes. This includes the long horizontal part with the operator's cab, and the concrete counterweight. this is then placed on a climber, with which the crane kind of builds and climbs itself to the necessary height. Every vertical section of the crane is placed in the climber. When the piece is in place, the climber climbs to the top of piece from where the next vertical piece is placed and so on. You can see how a crane is constructed in the website I've cited below:
Q:i live in cali and these things are really starting to piss me off!!!!!!! I never noticed any before ( when i lived in colorado) but it seems lately that they are all over!!!! every time i open my damn door AT LEAST 5 of them come in! THERE SO GROSS with there big hanging legs! EWWWWW! Anyways, when will they go away and what do i do to keep them from getting in my house?
The crane fly season only last for a month or so. There are years when they can reach almost plague proportions but within another 2-3 years their numbers should return to normal.. They can cause some damage to farm crops but the good news is that they are harmless to us.
Q:Would David have made a better babysitter than a crane driver?
none of the crane accidents were fatal, a black lad was slightly injured though
Q:when a tall building is under construction you alwase see cranes on top. well i would like to know 1. how they move them up as the buildung gets taller and 2nd after there done how do they get them down?
bigger cranes
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:I know you need to put current around the magnet (or certain type of metal) in order to attract but is it possible to use as pushing an object away. if there is please tell me how!
To push an object away, you need equipment that is low to the ground when it applies the force. Bulldozers are designed to push objects. Electromagentic cranes are designed to deal with vertical forces, so they are used to lift and drop metal objects. They use electricity to flow through coils wrapped around a metal core to generate a strong magnetic field. Trying to use them to push things could cause a crane to tip over since they are not designed to deal with horizontal forces. Even if you could get the electromagnet wired to repel metal objects, when you bring the electromagnet near the object, it would repel away in an unwieldy manner because of friction and interference with the ground. And trying to direct a large electromagnet at the end of a long chain would be difficult.

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