Tower Crane for Sale,Tower Crane Price manufactureSelf-Erecting Large QTZ250 7030

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QTZ250 7030  Description

Feature: Tower Crane

Condition: New

Application: Construction

Rated Loading Capacity: 4 ton

Rated Lifting Moment: 400 KN.m

Max. Lifting Load: 4 ton

Max. Lifting Height: 120 m

Span: 3-47 m

Place of Origin: Shandong, China (Mainland)

Brand Name: Meida

Model Number:QTZ250 7030 tower crane

Certification: CE, ISO, SGS, GOST

Warranty: 12 months

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

Material: Q235b

Electrical components: Schneider

section dimension: 1.5*1.5*2.2 m

Power: 26.7 Kw

Rated hoisting capacity max radius: 0.8 ton

Working environment temperature: -20 to +40

Free standing heigh: 29 m

Jib length: 47 m

Machinery weight: 19.5 ton

Color: yellow or optional

QTZ250 7030  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. Advanced painting process

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

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

7. Engineers available to service machinery overseas.   

QTZ250 7030   Specification

 Tower Crane for Sale,Tower Crane Price manufactureSelf-Erecting Large QTZ250 7030

QTZ250 7030  Pictures

Tower Crane for Sale,Tower Crane Price manufactureSelf-Erecting Large QTZ250 7030

Tower Crane for Sale,Tower Crane Price manufactureSelf-Erecting Large QTZ250 7030

Tower Crane for Sale,Tower Crane Price manufactureSelf-Erecting Large QTZ250 7030

QTZ250 7030  FAQ

Q: What is main advantage for manufacturing construction machinery?

A: Our machinery main advantages mainly include: 1. Nationallevel 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 the meaning of the tower crane’s code?

A: Take TC5013 for example, the first two letters “TC” means Tower Crane, “50” means jib length is 50 meter, and the last two letter “13” means the tip load is :1.3 ton.


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:Is it difficult to test tower cranes?
A tower crane installation scheme, 1, compilation basis, project overview, working environment, 2 workers and 3 endurance calculation and installation equipment for 4, installation procedures, methods and requirements for 5, commissioning record 6, two safety technical measures, safety technical disclosure, three installation foundation concrete test report of four, the tower crane installation and acceptance of table five, safety supervision station issued a permit for six, seven, demolition demolition project safety technical clarificaiton tower crane installation scheme project name: preparation: position (title): Approval: job (title): the construction unit: tower crane installation demolition project, the preparatory work before construction: 1. The tower crane installation position, according to the effective range of the construction requirements, site conditions and the role of tower crane, convenient installation and disassembly, the tower crane configuration in 17 axis to 18 Between the axis, away from the outer wall of 5 meters, with 11 standard section. 2, the basis of the principle, the use of concrete foundation, strictly according to random basis drawing. 3, the examination of concrete pressure report, tower foundation has been completed by design and construction, the safety group acceptance, the basic test block delivery, after the test pressure qualified, must be installed. 4. The installation site is level and the channel is repaired. 5, transport parts admission
Q:Why are there extra placards attached to the tower crane tower?
2. after adding the placard, it will increase the windward area of the tower crane and increase the wind load of the tower crane, so that it will deviate from the calculation load when the tower crane is designed, and will affect the safe use of tower crane.
Q:What are the requirements for jack up and plus section of jack up tower crane?
Ask you experts on the construction site of self lifting tower cranes how to install?. Is it like lifting a jack up of a car jack and hanging it in the middle when it's empty?
Q:Construction tower crane driver (T) Ben can be used as construction crane driver (S)?
Building crane driver (T); tower crane driverConstruction crane drivers (S); construction elevator drivers; neither is common.
Q:What are the construction cranes? 50
Tower crane, crane, man goods elevator, lift, there are national standards
Q:What is the definition of lifting, slewing and luffing of tower cranes?
Rotary is cantilever tower crane tower crane rotary shaft winding;Is the hook shaft distance amplitude change;
Q:Tower crane 10-5-20 is 6T, and 10-5-21 is 8T. What do you mean by tons?
6T/8T refers to the maximum lifting capacity of a tower crane. It doesn't matter what 10-5-20 has to do with it. Maybe your list of numbers is serial number.
Q:How much height should tower crane work at M?
Try to ensure that the tower crane in the wind is too large to be free of rotation. The safe distance between the rear arm of tower crane and adjacent buildings shall be no less than 50cm. The safe distance between tower crane and power line meets the requirement.
Q:What is the difference between lifting height of tower crane and independent height?
Attachment can be understood as the kind of tower crane tied to a building. Without it, the tower will fall, and its strength, stiffness and stability can not be satisfied.
Q:Tower crane 5610 why call QTZ63 tower crane, 5613 call QTZ806015, call QTZ100
As for the calculation method, the weight of a simple arm length * arm tip can not be used, because the nominal lifting torque of the tower crane is not calculated at the maximum amplitude.However, the maximum weight can be calculated by the maximum amplitude of the maximum weight, such as 5613 tower cranes, the maximum lifting capacity of 6 tons, while the maximum variable distance of 6 tons reached 15m, 60KN * 15m=800KN.m.The above is only my personal understanding of the tower crane, but I am not a professional construction machinery, the above calculations do not know whether it is reasonable, I hope to help you.

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