FUXIANG Tower Crane PT7023S (Flat-Top)

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Product Description:

Jobsite specifications
•  2300 m crest length
•  175 m high
•  27 millions m³ of concrete
•  600 000 t of steel
•  18 200 MW of capacity
•  10 years of study
•  17 years of work
•  30 000 people working night & day

1 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.
2. 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.
3. 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.
4. 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 Vietnamese Son Da Corporation company ordered 4 MD 900 B cranes for dam construction.
The 250 LCC hoisting mechanism enables a productivity of approx. 70-80 m³/h depending on the site conditions.
Trolleying and slewing mechanisms with frequency variations.
Crane specifications
•  Radius 60 m, tip load 13,1 t
•  Maximum load 50 t at 21,1 m
•  Hook height 60,5 m
•  6 m³ bucket hydraulic-control
Applications
•  1 crane on Sesan 3 dam
•  1 crane on Sesan 3A dam in the south
•  2 cranes on Tuyen Quang dam in the north

 

The Longtan Hydropower Development Co Ltd purchased 3 Potain giant tower cranes, with latest technology,
for the construction of the Longtan Dam in Guangxi Province.
The project was to build concrete gravity dam, with roller compacted concrete for the spillway and conventional
concrete for the power house and the ship lock.
3 620 000 m³ roller compacted concrete were poured, including 590 000 m³ for the coffer dam. The final dam
height is 190 m and the crest length is 750 m. Completion 2010.

Cranes specifications
•  1 MD 2200: 185,6 m height equipped with a Topbelt system
•  1 MD 2200: 139 m height
•  1 MD 1800: 112,5 m height travelling on portal chassis 15 x 15 m

 

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Q:[tower crane] and [tower crane] what is the difference between, how to distinguish?
There are many nicknames for tower cranesTower Crane Tower Crane Tower
Q:The most dangerous among crane accidents are:?
Dangerous to whom and exactly what does overturns mean? Operators are most likely to be killed when a tower crane breaks (is this an overturn?) because the operator is several hundred feet up in the air in the cab. Hitting power lines can be risky to the operator if dumb but staying in the cab is likely to be safe (stepping out may kill in touching ground) Overturning a ground based crane is going to hurt someone in the area much of the time.
Q:A crane lifts a 2355 N bucket containing 1.81 m3 of soil (density=2084 kg/m3) to a height of 7.56 m.?
I will try to make it very simple. First lets convert the 2355 into a mass. 2355/9.81 = 240.06 Kg Then, we need to get the mass of the soil. Density (p)= m/v m= pv m= 2084*1.81 = 3772.04 Kg Total mass= 4012.1 Kg The final step is to calculate the work done. It can be solved from two perspectives and both will lead to the same solution. Sol. 1: Since that the crane is lifting an object, then the work the crane is doing is against gravity which is calculating the gravitational potential energy gained by the bucket. GPE= mgh= 4012.1*9.81*7.56 = 2.99*10^5 Sol 2: Work done= Force*distance moved in the direction of the force The force in this case will be the weight of the bucket. Work done= (4012.1*9.81)*7.56 = 2.99*10^5
Q:The mobile crane has a weight of 116kip and center of gravity at G1; the boom has a weight of 29kip and center?
Smallest Crane
Q:Who is the most gruesome Stefano DiMera or Alistar Crane?
Stefano DiMera
Q:Why do tower cranes need to be fabricated?
The crane wire rope commonly used varieties of phosphating coating steel wire rope, galvanized steel wire, stainless steel wire rope, the use of atmospheric environment, patented technology to produce manganese phosphating coating of steel wire rope has the longest lifespan, heavy corrosion environment optimization of hot galvanized wire rope double - phosphating coating.Phosphating coating of steel wire rope production technology patent, give priority to the use of manganese or zinc manganese phosphating, and smooth steel wire rope production process comparison, just add the last bonderizing process, steel wire for rope wear resistance and corrosion resistance is greatly improved, the use of direct phosphating steel wire twisting steel wire rope.
Q:Where in The Hunger Games does President Snow kill Seneca Crane?
It's not metion in the hunger games, but in Catching Fire President Snows metions it to katniss. Then katniss does her presentation to the gamemakers, where she takes a dummy hangs hims and writes seneca crane in it.
Q:Does anyone know how cranes are put in place?
large cranes are build at the factory and torn down and put together the first time, then after that the can be move in larger sections than when it came from the factory.
Q:In construction - how do they normally get cranes to the top of buildings?
probably with the use of another crane
Q:Crane fly and Mosquito Hawk?
So called mosquito eaters, mosquito hawks, or skeeter eaters. Unlike mosquitoes, crane flies are weak and poor fliers, so they can be caught easily and without much effort. Despite their common names, crane flies do not prey on mosquitoes, nor do they bite humans. Adult crane flies feed on nectar and consume roots such as turf grass as in backyard lawns.(So they won't be preying on your rabbits) Their life cycle is very brief, so you shouldn't have to worry about them multiplying. They are also weak and poor fliers, so they can be caught easily.

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