QTZ40 Series 4808 Model Top Kits Tower Crane Self Erecting Tower Crane

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Loading Port:
China main port
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TT OR LC
Min Order Qty:
1 set
Supply Capability:
1000 set/month

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Item specifice:

Maximum Lifting Weight: 4T Maximum Lifting Height(M): 36 Rated Loading Capacity: 4t
Span: 36 Rated Load Moment: 36

Product Description:

Brief Introduction:

 

1.Overall haulage with only a 5t vehicle for whole machine transportation. Haulage size can smoothly pass all standard bridge and culvert.
2.After quick erection, it can start working normally within one hour.

 

3.Correctly-positioned mechanism kinematics spacing.
4.High precision and reliable load moment limiter and load lifting limiter.
5.Special system: wheelbarrow persist axis break
6.Two purpose: arm-brace fixing and orbit walking
7.Overall haulage bridge can be easily altered into a transport tow (10t)
8.35m height and could be used 30 degree higher up

 

9.Crane body locked automatically, crane jib docked automatically, pulley at jib point positioned automatically. There is no artificial high-altitude operation through the whole erection and dismantling process.


Max.Lifting   moment

40   tm

Lifting   capacity

4   Ratio

411m

1136m

4.0t

4.01.1t

2   Ratio

421m

2136m

2.0t

2.01.1t

Lifting   speed

Ratio

α=2

α=4

ton

2

1

4

2

m/min

024

029

012

014.5

Slewing   speed

00.65r/min

Trolleying   speed

20/30m/min

Erect   Height

30.9m

Working   temperature

-20℃~+40

Total   power

24.9KW

Lifting   mechanism

Motor

Model

YEJ160M-4

PowerkW

11

Speedr/min

1460

Uplifting   mechanism

Motor

Model

YEJ100L2-4

PowerkW

11

Speedr/min

1430

Slewing   mechanism

Motor

Model

YLEW112L-55-6B1

MomentN.m

55

Trolleying   mechanism

Motor

Model

YDEJ100L-4/6

PowerkW

2.2/1.5

QTZ40 Series 4808 Model Top Kits Tower Crane Self Erecting Tower Crane

QTZ40 Series 4808 Model Top Kits Tower Crane Self Erecting Tower Crane

QTZ40 Series 4808 Model Top Kits Tower Crane Self Erecting Tower Crane

QTZ40 Series 4808 Model Top Kits Tower Crane Self Erecting Tower Crane


1. why chose us?

China National Building Materials (Group) Corporation (CNBM), established in 1984,now is one of the largest state-owned group corporation in China, dealing with building materials & industrial equipment. Up to year 2010, CNBM Group's total asset is 20 billion USD and total staff is more than 100,000.CNBM International Corporation, specializes in designing & manufacturing of various

kinds of construction machinery, including tower crane, building hoist, etc. All the equipment produced by CNBM are compliant with the National level quality standard, and wins great reputation for their endurable performance in worldwide markets.

 

2.How about the shipment?

You can put 2 sets of of wheel loaders in one 40HQ container. The spare parts are packed with boxes.

The delivery time is 20 days.

 

3. What about your service?

We have our factory, we can meet customers needs as soon as possible.

We have first rate professional technology and provide good after-sales service.

 

4.After Sales Service

We offer the Preventative Maintenance and After Sales Service. For we strongly feels about the importance of supporting our customers and the product solutions we provide. Consequently we offer comprehensive maintenance options to prevent equipment issues before they become problems. Also we offer one year guarantee period.   


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Ya dude--truck driver---your turn
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Q:Is the working load of a crane the maximum weight it is able to lift?
Usually there is a safety factor of 400% built into all engineered cranes. This is to account for unforeseen momentary spike loads, operator errors and component weaknesses ( (chipped tooth or poor forged parts or chains, etc) This is to take into account shock loads, for instance if you were picking up a bundle of steel bars and the load shifted and the bars dropped a foot or so the momentary load on the crane spikes. Working load is basically the load the crane is designed to run all day long at. If you run at the design load the crane is covered under the manufacturer's guarantee against defects and the maker is liable for problems or failures associated with the crane. But for example if the manufacturer can demonstrate you were picking up a 5 ton load on a regular basis with a crane rated at 3 tons, the manufacturer's liability is negated. Since you can counterweight any crane enough to theoretically lift anything, most of the cranes that have electric motors actually will stall if you lift much over the design weight. In other words in the above crane if you try to pick up 5 tons with a 3 ton crane, the motor will not have enough horsepower to pick up the weight and the motor will simply not lift it. The actual overload factor built into a crane is usually to contend with those shock loads and defective or weak components not seen.
Q:What is wireless crane scale?
Hi, okorder.com for more information
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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.
Q:What's the difference between QTZ63 and qtz630, isn't it the same kind of tower crane?
It's the same kind of tower crane, but it's only a unit of rated lifting torque. The former unit is 63 tons. M, the latter is 630 kn m. According to the latest national standard "tower crane", GB/T5031-2008 and QTZ63 are written correctly.
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in Japanese folklore if you fold a 1000 origami cranes you get are granted a wish, usually concerning health/long life. The peace part comes from the story of Sadako Sasaki a victim of the Hiroshima atomic

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