• QTZ50(4810B) tower crane System 1
  • QTZ50(4810B) tower crane System 2
  • QTZ50(4810B) tower crane System 3
  • QTZ50(4810B) tower crane System 4
QTZ50(4810B) tower crane

QTZ50(4810B) tower crane

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

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QTZ50(4810B) tower crane is hoisting and conveying machinery which is designed by Shandong Fuyou Co., Ltd. by fully utilizing the group technology, the combinational design technology and the finite element analysis technology and taking the tower crane microcomputer design platform as a tool and has excellent performance.

The crane is a horizontal-arm-rest trolley-amplitude upper-revolution hydraulic lifting type crane which has the effective amplitude of 48m and the maximum lifting moment of 544kN•m. The tower crane has the lifting height of 30m and the adhesion lifting height of 120m (2 magnification) during independent use.
All the speed indexes of the crane meet or surpass national standards.
The crane has the total installed capacity of 24.9kW, features advanced parameters, excellent and reliable properties, attractive appearance, high quality, simple and practical structures, advanced safety devices, convenient maintenance, safe usage and reasonable prices, and is ideal construction machinery for many medium-small construction enterprises.

2. Lifting Technical Performance
2.1 Lifting Performance Table and Lifting Performance Curve
(1) 4-magnification Lifting Performance Table

 

The lifting boom and balance boom adopt cantilever boom structure, which reduces the hoisting modular and makes it more safe, convenient and flexible to install and uninstall, and reduces the requirements for hoisting equipment and the site.
2. Multiple special mounting brackets are available, which saves the installation time and ensures safe and quality installation.
3. The lifting boom adopts cantilever boom structure and variable cross-section materials, featuring more reasonable structural stress and long service life; and it is easier to make different combination of boom length.

 

Amplitude(m)

3-13.6

14

15

16

17

18

19

20

21

22

23

Lifting capacity(kg)

4000

3890

3618

3380

3170

2860

2810

2660

2530

2400

2290

Amplitude(m)

24

25

26

27

28

29

30

31

32

33

34

Lifting capacity(kg)

2190

2090

2000

1920

1850

1770

1710

1650

1590

1540

1490

Amplitude(m)

35

36

37

38

39

40

41

42

43

44

45

Lifting capacity(kg)

1440

1390

1350

1310

1270

1230

1200

1170

1130

1100

1070

Amplitude(m)

46

47

48

Lifting capacity(kg)

1050

1020

1000

 

(2)2-magnification Lifting Performance Table


Amplitude(m)

3-26

27

28

29

30

31

32

33

34

35

Lifting capacity(kg)

2000

1920

1850

1770

1710

1650

1590

1540

1490

1440

Amplitude(m)

36

37

38

39

40

41

42

43

44

45

Lifting capacity(kg)

1390

1350

1310

1270

1230

1200

1170

1130

1100

1070

Amplitude(m)

46

47

48

Lifting capacity(kg)

1050

1020

1000

 

Technical Performance Parameter Table


Item

Unit

Magnification

α=2

α=4

Rated lifting moment

kN.m

500

Maximum lifting capacity

t

2

4

Working amplitude

m

3 ~48

Maximum amplitude lifting capacity

t

1.0

Lifting height

Independent

m

30

Attached

m

120

Time of moving outrigger end to rotation center

m

48.74

Time of moving balance arm tail to rotation center

m

12.816

Counter weight

t

7

Total motor power

kW

24.9

Allowable working temperature

0C

-20~+40

 

Q: If I have one week, is that enough time?
It all depends on how fast you can make one paper crane and how many hours you have available each day. If you made 15 an hour for 10 hours each day (150 cranes a day) for 7 days you would have 1050 cranes. You will probably find that you begin to go faster, the more cranes you make. However, after 2 or 3 days you will get sore hands and this will slow you down again. It's easier when you work as a team.
Q: Is the tower crane a special type of work?
Certainly, it belongs to the high-altitude workers, not the special workers, what is the tower crane talent network is a platform for the exchange of tower.
Q: What symbols are there in the story? What might be the symbolic meaning of the sea? the boat? the seabirds? the shark? the unmanned life-saving station? the lighthouse? the tourists on the beach?What is the theme of the story? What does the story as a whole say about human beings and nature? about male bonding? about survival? how are these three topics related in the story as a whole?
Temporary. It is sort of classic that a group of people are thrown together by some terrible tragedy or circumstance, but unless there is something beyond that one day or hour, there is no common bond that will make it permanent. The Open Boat is a terrific story. I always liked it. It reminded me of the movie stagecoach or the movie The Open Boat which is a bit different. It's all about people being together and having to work to survive. They went down together, but how much else do they have in common? My guess is little.
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: I have a compare and contrast paper due on Tuesday comparing Cranes and The Sniper and I can't find Cranes to save my life. Somebody please help me!!!
Okay Sweetie, Okay all things are safe; Your parents met him, etc all is good. Now let's get to the issue at hand. I have been on this whole internet thing for many years, have had pen friends back in the day and have many RT friends. I speak from experience here is what I am saying. You met a good guy here; just because the voice in your head doesn't match his own voice that's okay, that will come in time. Give him a chance, start out with a solid friendship. You can even say, we just met; I would like to get to know you first. You really can't legally date him (I guess depends on the state) until you are 18. Give it a couple of years, see how it goes. You two just might have an incredible friendship. Then if you keep to these 3 rules your life will be fantastic!!! These 3 rules are the Secret to a extremely happy life. 1) Ask God for assistance on all matters 2) 'Walk in Love' with everyone you meet 3) Treat others how you would like to be treated. May God Bless you in all of your endeavors! Jark
Q: dynamic force on crane when a load of 37k falls 1',2' 3'or 4'?
Need more information. In general, the answer is that the dynamic load depends on how quickly the payload decelerates. The dynamic load will be the mass of the payload times the peak deceleration rate. In a strength calculation, do not forget to include the static weight component of the load. The deceleration depends on the elasticity of the cables supporting the load. If the crane has a flexible supporting structure, then that could also affect the result. (You didn't say whether the crane is the traveling overhead hoist type usually seen in a factory - which typically has a stiff support - or the cantilevered truss type seen on construction sites - where the support might have a little flexibility.)
Q: Emergency treatment of interrupted electricity during lifting of tower crane
The rotating gear shall be immediately inserted into the screw or wood, while the power supply shall be checked rapidly to remove the trouble.
Q: I used crane to fly me to the korean folk town area. im abck in the station that crane is at but i get up to reach crane. Is there a portal in town or a place i jump to? Please help!!
I don't really understand what you're saying, but I'll try to help. You can only enter the crane every few minutes or so (I'm not sure of the exact time). When the crane is closed, there will be a gray door barring the way. When it is open, it will have a greenish-yellowish open doorway. You have to wait for it to arrive and open.
Q: what does a paper crane represent/symbolize?
A fun activity to do when you have nothing else to do!

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