Tower Crane of Chang Li Model Number QTZ31.5(4075)

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QTZ31.5(4075)Description

Feature: Tower Crane

Condition: New

Rated Loading Capacity: 1-8t

Rated Lifting Moment: 60m

Max. Lifting Load: 8t

Max. Lifting Height: 201m

Place of Origin: Henan, China (Mainland)

Brand Name: YU JIE

Model Number: QTZ31.5(4075)

Certification: CE & ISO

Warranty: 12 months, 12 months

After-sales Service Provided: Engineers available to service machinery overseas

Jib Length (M): 60

Free Height (M): 46

Max. Possible Height (M): 201

Max. Load (T): 8

Tip Load (T): 1.0

Slewing Speed (r/min): 0-0.6

Counterweight (T): 15.8

QTZ31.5(4075)   Features

1.Thirteen years of experience in supplying new self-erecting tower crane with Huiyou Brand.

2. Export to more than 20 countries with CE/ISO/GOST Certificates.

3. Stationary/Travelling, external/ internal climbing tower crane 

4. Impeller blasting/rust protection paint

5. Advanced painting process

6. Potain masts designed with dismountable panels, making teansport easier and cheaper. 

7. New designed mast, can be used to Internal and external climbing tower crane

8. Famous brand mechanism system, Schneider Electronic control system, jiangte and jiuhe motor

9. Engineers available to service machinery overseas.   

QTZ31.5(4075)  Specification

 Tower Crane of Chang Li Model Number  QTZ31.5(4075)

QTZ31.5(4075) Pictures

 

Tower Crane of Chang Li Model Number  QTZ31.5(4075)

Tower Crane of Chang Li Model Number  QTZ31.5(4075)

Tower Crane of Chang Li Model Number  QTZ31.5(4075)

QTZ31.5(4075)  FAQ

Q: What is main advantage for manufacturing construction machinery?

A: Our machinery main advantages mainly include: 1. National-level Research Academy for various building equipment for more than 30 years’ experience; 2. Complete quality control system; 3. Nearly 20 years experiences in manufacturing industries; 4. Over 50 engineers along with 6 local partner companies  providing worldwide after-sales service;

 

Q: What is tower crane?

A: Tower crane is a modern form of balance crane that consist of the same basic parts. Fixed to the ground on a concrete foundation (and sometimes attached to the sides of structures as well), tower cranes often give the best combination of height and lifting capacity and are used in the construction site.


Q: What can we do for the clients in the market and after-sale service?

A: There is branch office for us in the kingdom and she could provide any commercial assistance for the clients; our exclusive agent would fully represent lifting machinery for business communication and rapid & professional technical support.


 

 

 


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Q:Breifly explain the brake system in the lifting devices ex. Over head crane?
Cranes work using hydraulics and cables. The cables are wrapped around pulleys and the pulley is turned using hydraulic power. The brake system is simply stopping the pulley from turning by reducing power. The hydraulic system typically will turn a series of gears which in turn spins the pulley that the cable is wrapped around. It's different than a brake system say on a car where when you hit the brakes, pads squeeze on the interior of the wheel rim slowing it down. Cranes you just reduce power and stop the pulley from turning. They also have emergency stops. Older cranes have wedges that would be released onto the cable and then the wedges would grab the cable and slip into a ring. The narrow end of the wedges would slip into the ring first and then as the wedges increased in diameter the grip on the cable would get tighter and then stop the cable from moving. They also have systems on the pulleys to stop the pulley from spinning. They essentially work the same way as a car break. When the emergency brake is triggered, pads will squeeze on the rim of the pulley to stop it. These mechanisms work by friction. They could also have holes around the pulley and a steel pin would be pushed into one of the holes to stop it from spinning. Of course if the force of the weight exceeded the strength of the pin, it would shear.
Q:What is the name for a group of cranes?
Here okorder.com/.. For Magpieix - a sedge of cranes is equally correct, as is a construction of cranes; some collectives have more than one description! ;)
Q:What time period did Stephen Crane write?
Stephen Crane (November 1, 1871 - June 5, 1900) was an American novelist, poet and journalist. He was born in Newark, New Jersey, the 14th child of a Methodist minister. He died when he was 28. Sorry I don't know what it's called.
Q:Oragami crane ring??
I web-searched and found a picture which cited a Yahoo group as a source of further information. The group does *not* have an open archive. If you're interested in other money-fold projects, you may wish to consider joining that group. I'm listing a link for the group below.
Q:How do Crane Motors Work?
I'm not 100% familiar with this but this should be pretty close to the answer. Simple/standard crane motors work by applying power first through a rotating steel shaft into a gearbox. The gearbox allows the gearing ratio to be changed (to trade rotation speed for torque or torque for rotation speed). Another steel shaft carries the power out of the gearbox, again through rotation, to a spindle (think big thimble) around which steel cable is wrapped.
Q:Overlord 2: need help getting blue minions with crane thing.?
Just Go To The Water Path
Q:How would you be able to tell the difference between a crane fly and a mosquito?
Really easy: A crane fly has no long piercing mouthpart: they feed mainly on nectar Female mosquitos have long piercing mouthparts, males are smaller and have shorter mouthparts for sucking nectar from flowers. Common crane flies are almost always bigger than a mosquitos.
Q:When you make 1000 cranes, do you have to wish on the spot? Or can you save it until you think of something?
wait, you folded 1999 paper cranes and you still didn't have enough time to come up with a wish? I recommend that you wish to become more decisive...
Q:Red badge of courage by steven crane??!?
I can't help you. I read that book a few years ago, and I hated it so hard.
Q:Irving crane or Willie Mosconi?
Irving Crane would have won, I think. Mosconi was a showman although not a bad player. Crane seemed to be more serious about competition and playing the game seriously. Mosconi and Minnesota Fats made the game more popular here in the U.S. by playing on t.v in the 1970's.

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