Schoner Brand Tower Crane SCD90

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KIND REMINDER:
WE ALSO MANUFACTURE OTHER TYPES OF MASTSECTION AND OTHER TOWER CRANE
SPARE PARTS, SUCH AS LIFTING JIB, TIE-IN
COLLAR, CLIMBING CAGE AND HOOK.  
WE WISH TO PRODUCE MOST-SATISFIED PRODUCTS FOR YOU!

PLEASE FREELY CONTACT US FOR INQUIRY!


Specification of SCD90


Jib Length: 45m

Tip load:2.2ton

Max Load:8ton

Free standing height: 52m(2X2X3m mast section); 34m (1.6X1.6X3m mast section)

Hoisting Mechanism: 45RCS20 or 30LVF

Luffing:30RWA

Slewing: RCV95

Container loading for free standing height:5X40HQ



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Q:What is the allowable range of vertical deviation for tower cranes?
The verticality deviation range of ZOOMLION tower crane is allowed within 4/1000.
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:What are the "2 magnification" and "4 magnification" mentioned in the lifting characteristics table of tower cranes?
Popular saying: "car to hook this section of vertical distance, you see 4 wire rope is 4 magnification, you see 2 wire rope is 2 magnification.".
Q:What is the difference between crawler crane and tower crane?
Tower cranes are generally used in high-rise building construction. They are self elevating and attached. The boom is very long and the construction site is very common. Multi story buildings can be replaced by automobile cranes.Crawler cranes are used in municipal engineering, such as subways, bridges and so on. Lifting weights can be moved.It's very easy to tell from the outside, so you can search for some pictures.
Q:How to build a tower crane?
Nowadays, most tower cranes used in construction sites have self lifting function, but they can not leave the coordination of cranes when they are installed.Here's the tower crane installation:1, track laying: few walking tower crane, if the working position is not changed in a stage, rail crane fixtures will be locked.Some tower cranes have no running wheels, and the tower cranes are installed directly on the required basis.2. Install the tower crane chassis parts: installation requirements, installation, and placed in the location of the weight block.3. Install the basic tower, revolving parts and tower cap.Each tower crane has the basic height of the tower installation, the installation height of the rotating device and tower cap, these work is the use of sufficient lifting capacity of the car crane to complete.
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:Who invented the tower crane, please?
Tower crane originated in Western europe. The first patent on tower cranes for construction was issued in 1900. In 1905, a crane with a boom was fixed in the tower. In 1923, a prototype of modern tower crane was built. The first relatively complete modern tower crane appeared in the same year. Our tower crane started from Shanghai in 1950.
Q:What are the parts of a tower crane? What are their main functions?
The structural elements include the followingMain arm: carrying weight, and making the trolley have walking track.Balance arm: put up lifting mechanism, electric box, counterweight, and make tower crane to achieve balance torque, reduce the standard section of the bending moment.Tower cap: connect the main arm with the balance arm by the tie bar, so as to reduce the bending moment of the standard section.
Q:Operation points of tower crane (tower crane)?
Slewing bearing: tower crane is one of the most critical components, mainly to bear overturning moment and vertical load. After the failure, the demolition and replacement is extremely difficult, loss of large, so you have to check carefully to do maintenance, each 200H must be a senior grease lubrication from the rotary bearing surface, until now exudation. Slewing bearing adopts high strength bolt connection, if the pretension is not enough, or long-term operation, do not check, not fastening, will cause loose. If the individual bolts loose, will cause the remaining bolts overload, the consequences will be disastrous. The luffing mechanism only moves horizontally, the load is light and the line speed is not high, so it should be easy to master and operate. However, the amplitude involves the change of the lifting torque, and if there is no stopping in time, there will be the possibility of over torque. Therefore, the main requirement of variable amplitude operation is stationary parking and accurate positioning. The tower crane is of great height and the hanger is hung longer, so it is easy to swing the hanger when it is running. This is an objective phenomenon. What is called stabilization hook operation is how to make the swinging hook stop quickly, or how to make the hook move with the movement of the crane as soon as possible, and minimize the operation of the swing. The operation of stabilization hook is the skill that the driver should master.
Q:What is the function of the balance valve in the hydraulic jacking system of tower crane?
The function of the balance valve is to maintain the balance of the oil pressure, the hydraulic oil delivery flow is stable, so that the tower crane jacket and the upper part of the lift, disassembly, standard time, lift and smooth.

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