Hammer HeadTower Crane with Competitive Price

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1 set
Supply Capability:
20 set/month

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Descriptions of our tower crane:

1, TC4808 have competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of work condition. With their working radius from 2.25 to 48m, TC4808 tower cranes are famous for their large operating ranges, varied working methods and wide uses.  

2,This series of tower cranes has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism.

3, It is original in design, reliable in operation and satisfactory in shape.

4,Equipped with all necessary safety devices, these cranes show a good speed-control capacity,, satisfactory operating stability and high work efficiency.

5,They are widely applied for the construction of high-rise hotels, resident buildings, high-rise industrial buildings, large-span factory buildings and tower like buildings like tall chimneys. Best after sales service will be offered which will get rid of all your worries in the purchase of our products

 

Features of 2015 hot sales tower crane tc4808

1. The tower crane comprises a number of mast sections that are highly interchangeable. The elaborate structure makes it easy for mounting and dismounting.

 

2. The main support of the mast section has both end faces processed by the jig boring machine to live up to the required flatness of both ends and verticality of the whole mast section, thereby improving the overall performance of the tower crane.

 

3. The metal parts are jointed by carbon dioxide gas shielded arc welding to achieve a tough and reliable structure.

 

4. Product quality is further guaranteed by the advanced inspection devices, such as the ultrasonic fault detector and sound level meter.

 

5. A complete set of safe and reliable hydraulic jacking device is adopted for self-elevating. The tower crane goes up and down steadily and the lifting height varies with the building height. These merits make the lifting equipment ideal for high-rise construction.

 

6. The cargo boom with triangular cross-section performs with double lifting points. It features excellent rigidity and convenient installation.

 

7. The hoisting mechanism provides slow dropping of large load in position as well as prompt lifting and dropping for small load. Thus the working efficiency is significantly improved. The lifting speed reducer is purchased from notable manufacturers to ensure that the tower crane works stably with low noise and high reliability.

 

8. Our self-erecting crane makes use of the single row four-point contact slewing bearing manufactured via advanced process by Hoesch Rothe Erde in Germany. This slewing bearing offers fine rigidity as well as excellent bearing ability of axial and radial tilting torque.

 

9. The slewing device comprises hydraulic coupling and planetary gear reducer, thus it enjoys high torsional capacity, high transmission ratio, compact structure, steady operation, and low failure rate.

 

10. The speed of the hoisting mechanism and the slewing device can be regulated by the winding wire motor and resistor to smooth the moving process and also prolong the serving time of the tower crane.

 

11. The components of electrical system are made by well-known enterprises in China and they are stable and reliable in performance.

Independent height (m)

31.5

Max height with attachment (m)

110

Working range can be adjusted(m) 

38/43/48

Min working range(m) 

2.25

Max lifting capacity(t)

4

Tip load @ 48m(t)

0.8

Hoist mechanism

Falls

2

4

Lifting capacity(t)

1

2

2

2

4

4

Speed(m/min)

70

35

7

35

17.5

3.5

Motor

YZTD225M2-4/8 /32    15/15/3.5KW

Trolleying mechanism

Speed(m/min)

20/40

Motor

YDEJ100-4 /8   2.4/1.5KW

Slewing mechanism

Speed(r/min)

0-0.6

Motor

YD132S-6/8  2.4/1.8KW

Climbing speed(m/min)

0.4

Counterweight(t)

7.6

Mast section size(L×W×H)m

1.4×1.4×2m

Working temperature

-40-+60°C

Total power (KW)

23

Power supply requirement (KVA)

115KVA for generator

Cable type ( within 30 meters from site power source to lower

 electric box of tower crane )

25mm2(3+2, 5 cores)

Startup voltage & current

380V×95%=361V       180A

Rated working voltage & current

380V                   65A

 

TC4808 with CE ISO certificate top kit 4T types of tower crane price for sale

 

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Q:How do you make one of those paper cranes?
I was going to do that once when I was about eleven... I got to like 156 and then stopped. Too many, and I had other things to do. I'd like to do it again though, maybe see if it's real or not this time... even if it's not, it would be pretty awesome to have that many cranes. I'm not sure if it will really make your wish come true... you have to make your own wish come true, folding paper can't really do that. But maybe it can help some. It's worth giving it a try.
Q:Where can I get a pic or video of the crane or lifting device they used to get the plane out of the Hudson...?
The best link I can find is this first one, the second may create more jobs tho...
Q:Who is Seneca Crane in Catching Fire.?
In the first book/movie the head gamemaker, so the guy who chooses what happens every second of the hunger games, was Seneca Crane. He was executed at the end of the first book, by eating nightlock, the berries the star crossed lovers used to kill themselves with (unsuccessfully).
Q:Crane vessel transport?
Very large capacity crane vessels have propulsion machinery for manoeuvring when on station. The most modern designs of semi-submersible vessel use them to achieve 'dynamic positioning'. Older designs used the propulsion systems to assist when deploying the anchors in the correct pattern. The vessels are towed by tugs when making deep sea passages. First generation crane vessels had much smaller lifting capacities and were either constructed on conventional hulls or were converted from existing ships. These types were capable of making ocean passages using their own propelling machinery.
Q:A crane is lifting a crate upward 25 meters with an acceleration of one fifth of a gee...?
One-fifth of a g is 1.96 m/s². The mass of the crate is... m = F / a = 4,000 N / 9.8 m/s² = 408 kg The force of the crane must be greater than that of the force of gravity. The acceleration must therefore greater as well. 9.8 m/s² + 1.96 m/s² = 11.8 m/s² a) T = ma = 408 kg x 11.8 m/s² = 4.81 x 10^3 N b) W = Fd = (4.81 x 10^3 N) x 25.0 m = 1.20 x 10^5 J c) W = Fd = 4,000 N x 25.0 m = 1.00 x 10^5 J d) W (total) = W (crane) + W (gravity) = (1.20 x 10^5 J) + (1.00 x 10^5 J) = 2.20 x 10^5 J e) v (final) = (v² + 2a∆x)^(1/2) = ((0 m/s)² + (2 x 1.96 m/s² x 25.0 m))^(1/2) = 9.90 m/s I'm sure that all of my answers are correct. If anything is incorrect, please e-mail me again. Best of luck to you Jim.
Q:is there such a thing as a giant crane fly?
Yes. Here in Southern Oregon (and in CA too) we have giant Califronia crane flies. They really do get that big, its not just a freak.
Q:Question on cranes?
Do not know where you live but I worked in a Shipyard in South Mississippi That had Cranes which picked up Modules which weighed 100 tons. Most were in the range of 50 to 70 tons the limiting factor was the range of the lift away from the crane. The further away from the Crane the less the load limit but the Cranes were rail mounted so they could traverse and carry the load anywhere. We had one Crane capable of handling 500 tons, a real monster. These are all located at Pascagoula Mississippi. Most were imported from Germany.
Q:what dose fury mean and craned?
Q:What are the safety devices for the horizontal arm self lifting tower cranes?
(6) the crane of lightning protection and anti electromagnetic wave sensing device shall be equipped with lightning protection device and anti electromagnetic drape induction measures according to the actual situation and shall be equipped with crane with a hinge height of more than 50m at the root of the boom. (7) the tower crane should be installed to prevent the rotary overload limit torque coupling (8) anti off rope device to prevent the wire rope from the working position (9) rope breaking resistant device to prevent car luffing rope break free sliding trolley (10) anti broken shaft device to prevent car car wheel shaft broken after the fall (11) brake parts that is the work device is a safety device
Q:In the Hunger Games (book two) who is Seneca Crane?
Seneca Crane was the headmaster that allowed both Peeta and Katniss to live from the 'berry' incident and was executed by President Snow. You can refer to page 20 of Catching Fire, Chapter two for more info.

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