Tower Crane for Sale 75m 360 degree rotate jib hammerhead QTZ 7550

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QTZ 7550  Description

Feature: Tower Crane

Condition: New

Application: All construction

Rated Loading Capacity: 25ton

Rated Lifting Moment: 5000KN.m

Max. Lifting Load: 25ton

Max. Lifting Height: 275m

Span: 5.7~75m

Place of Origin: Shandong, China (Mainland)

Brand Name: MEIDA

Model Number: QTZ500-7550

Certification: ISO,CE,GOST

Warranty: one year

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

Tower crane Material: Q345B Steel

Mast section dimension: 2.45*2.45*6.0

Trolley speed: 0~56.25m/min

Free standing height: 70m

Jib length: 75m

Rated hoisting capacity max radius: 5ton

Slewing speed: 0.7r/min

Relay elements: Schneider

Working temperature: -20~+40℃

Tower crane Color: as customers' requirement

QTZ 7550   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

QTZ 7550 Specification

 Tower Crane for Sale 75m 360 degree rotate jib hammerhead QTZ 7550

QTZ 7550  Pictures

Tower Crane for Sale 75m 360 degree rotate jib hammerhead QTZ 7550

Tower Crane for Sale 75m 360 degree rotate jib hammerhead QTZ 7550

Tower Crane for Sale 75m 360 degree rotate jib hammerhead QTZ 7550

QTZ 7550   FAQ

Q: What is 3 main mechanism of the tower crane?

A: there are trolleying mechanism/ slewing mechanism/ hoisting mechanism.

Q: What is the principal to quote the right tower crane to the client?

A: First, we need to know clients’ requirements. Normally the following information should be clarified by the client:  max lifting capacity, height (height under hook), tip load and jib length.

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:When building tall buildings, where is the bottom of the tower crane installed?
The installation of tower cranes is certainly a guaranteeThe installer is dangerous,
Q:What to do about an injured Sandhill Crane?
Did you know it is illegal to feed them? As long as the crane is able to feed and fly wildlife officials will leave it alone. You would only need to call if it is no longer able to fly. Due to turtles, fish and other aquatic critters it is common to see cranes, heron, and other waterfowl with funky feet. Its fine.
Q:What is the scrap standard of tower crane hook?
The American Standard can provide for your reference:1, hook hanging points in the effective area of cross sectional wear more than 10%, should be disabled and scrapped.2 any visible permanent deformation and cracks shall be disabled and scrapped.3, if the wear is in the same area in two directions, it should be controlled within 5%.4, any hook opening deformation is not greater than 5%, or in accordance with the manufacturer's guidelines to determine.5, hook bow hook (i.e. intermediate position hook C shape) wear amount should be less than 5%.
Q:Is boom truck a crane truck? Are they the same or two different kind of truck?
A 'boom' is attached to a flat-bed truck and is used to unload a heavy delivery (usually building supplies and materials) to a specific location. A 'crane' is similar except that it doesn't unload things. It is attached to a truck and is used for moving heavy objects and materials from one place on another on the same property.
Q:What is the calibration value of a tower crane?
Tower crane calibration value is to benchmark material to be calibrated by standard liquid titration value, calibration to parallel mark three times, take the average value, if the requirement is not strict, error within 3 per thousand, strictly within 1 per thousand.Main performance parameters of tower crane:1. Lifting weight G1. weight G - was the quality of the heavy lift. The unit is t.2. rated lifting weight Gn allows crane lift weights together with the quality of the sum of the spreader.3. maximum weight Gmax - normal work conditions under the crane, the maximum permissible rated lifting weight lifting.Two, range LL - 1. range of level ground when the crane is positioned between the spreader, no-load vertical center line to the center line of the rotary horizontal distance. The unit is m.2. biggest Lmax - crane, jib angle or the minimum car in arm the limit position of the amplitude.3. Lmin minimum amplitude - jib angle or trolley jib in maximum limit position within the range.
Q:why are siberian cranes endangered?
Would you spend a winter in Siberia if you could fly south?
Q:In what circumstances should a tower crane be demonstrated by an expert?
Three, lifting and installation, demolition works(1) use of unconventional lifting equipment, methods, and lifting weights of a single piece in excess of 100kN and aboveHeavy lift works.
Q:How to build a tower crane?
7, the boom of the horizontal installation, setup of counterweight, main hoist installation, installation sequence of these large, there are provisions in the instructions.8 、 install operating room, main cable and control cable. Installation of crane wire rope, hook, lifting the car has been in the assembly of the boom when installed.9, at this time has completed the basic installation, the later self lifting installation, the main work by the tower crane itself equipment and artificial to complete.10 tower crane from basic height to work height.Each type of tower crane has different self lifting mounting methods. In fact, in addition to carrying heavy loads, the installation of a large number of high-strength bolts is a heavy work.11, the above is the general procedure, the actual installation work in strict accordance with the installation instructions. According to historical experience, tower crane installation accidents often occur in some professional installation team.12, the old type of tower crane installation is relatively simple, but also have independent installation, and now the development of automobile crane is not a must, general use of car crane can complete all the installation.
Q:Daddy longlegs/Crane Fly... Most venomous creature on earth?
First of all daddy longlegs that is referring to the crane fly has no venom whatsoever. They are completely harmless. They don't even bite humans. The other two daddy longlegs are arachnids, one is a spider the other is not. The spider which is also known as the cellar spider is venomous, but the venom is very weak. There are other species of spider, such as the black widow and the Sydney funnel-web that has a more deadlier bite. The third daddy longleg which is an arachnid but not a spider is also known as the harvestmen. Like crane fly, it has no venom. So it is neither venomous nor poisonous. It is completely harmless. Some of the most venomous creatures would include the box jellyfish and the irukandji jellyfish that inhabit the coast of northen Australia. The most poisonous would probably be the arrow poison frogs of South America
Q:do you have any info about whooping cranes?
The Whooping Crane (Grus americana) is a very large crane. It is the tallest North American bird and the only crane species found solely in North America. Adults are white; they have a red crown and a long, dark, pointed bill. They have long dark legs which trail behind in flight and a long neck that is kept straight in flight. Black wing tips can be seen in flight. Immature birds are pale brown. Their breeding habitat is muskeg; the only known nesting location is Wood Buffalo National Park in Canada and the surrounding area. They nest on the ground, usually on a raised area in a marsh. The female lays 1 to 3 eggs. Both parents feed the young. Usually no more than one young bird survives in a season. Loads more on Wikipedia (link below) - good luck

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