Tower Crane Split in row of weight 2012 hot QTZ50A(4810)

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2012 hot QTZ50A(4810) Description

Feature: Tower Crane               Condition: New 

Application: urban construction  Rated Loading Capacity: 6T

Rated Lifting Moment: 160MT    Max. Lifting Load:6T

Max. Lifting Height:120M           Span: 50M 

Model Number: 2012 hot QTZ50A(4810)

Certification: ISO9001:2000; CE;Ukraine & Belarus Certificate 

Colour: Orange/ Yellow 

After-sales Service Provided: Overseas third-party support available 

2012 hot QTZ50A(4810)   Features

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

2012 hot QTZ50A(4810) Specification

Tower Crane Split in row of weight 2012 hot QTZ50A(4810)

2012 hot QTZ50A(4810)  Pictures

Tower Crane Split in row of weight 2012 hot QTZ50A(4810)


Tower Crane Split in row of weight 2012 hot QTZ50A(4810)

Tower Crane Split in row of weight 2012 hot QTZ50A(4810)


2012 hot QTZ50A(4810) FAQ

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 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.


Q: What is the building hoist main purpose?

A: Building hoist equipped with double or single cabin to transport the materials and labors up and down. It's the ideal construction equipment for vertical transportation in the field of construction.





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Q:What are the parts of a tower crane? What are their main functions?
The structural elements include the followingMain arm: carrying weight, and making the trolley have walking track.Balance arm: put up lifting mechanism, electric box, counterweight, and make tower crane to achieve balance torque, reduce the standard section of the bending moment.Tower cap: connect the main arm with the balance arm by the tie bar, so as to reduce the bending moment of the standard section.
Q:What is the power of a tower crane? Five
TC7525-16D switchboard power 80KWTC5610-4 switchboard power 34KW.TC6015A-10E switchboard power 71.5KWThe other two types have not been touched and will not be answered. I'm sorry
Q:In what circumstances should a tower crane be demonstrated by an expert?
(two) lifting equipment with lifting capacity of 300kN and above; climbing within height 200m or aboveDemolition of heavy equipment.
Q:The earthing resistance of tower crane shall not be greater than that of the tower crane
Three. Technical specification for temporary power safety on construction site JGJ 46-20055.4.2 within the construction site crane, derrick and Longmen machinery equipment, metal structure and steel scaffolding and under construction in construction projects, when lightning protection devices in adjacent buildings, structures and other facilities outside the protect zone of lightning arrester, lightning protection device should be installed in accordance with the provisions of.5.4.7 lightning protection electrical equipment machinery, connected to the PE line must repeat grounding at the same time, with a repeat of the mechanical and electrical equipment grounding and lightning protection grounding machines can share the same grounding body, but should be consistent with the repeated grounding resistance of grounding resistance requirements.The electrical equipment of 9.2.1 tower crane shall comply with the requirements of the current national standard "safety regulations for tower cranes" GB5144.9.2.2 tower cranes shall be subjected to repeated earthing and lightning protection grounding as specified in Clause 5.4.7 of this code. The earthing device of the track type tower crane shall comply with the following requirements:L the two ends of the rail are respectively provided with a grounding device;The joint of the 2 track is electrically connected, and the ends of the two tracks are electrically connected in the loop;3 long track every is not more than 30m and a grounding device.
Q:What should the sub contractor do before the installation of the bridge crane in the workshop?
Baidu search [tower crane tower demolition, lowering section safety technical disclosure]. If it is installed, remove the "two words" to "installation", and other contents are adjusted slightly.
Q:Are tower cranes the same as tower cranes?
Tomato, you tomato, potatoes, you potatoTalent exchange of tower crane and tower crane
Q:What are the safety devices in a tower crane?
Moment limiting torqueWeight limit; weight LimitedThe car looks for car restrictions limitFrom the ceiling to prevent hoistingThe slewing limit is limited to Slewing
Q:Which kind is better, gantry crane or tower crane?
Each has advantages, the use of different conditions, the use of different cranes, tower cranes can not move, but the lifting height can be very high, the door machine has tracks can be vertical and horizontal movements, lifting height, tower crane is not high.
Q:How high the tower crane needs to be installed with the wall pole. How is it stipulated in the national standard?
The construction of tower crane installation, operation and dismantling safety technical regulations "(JGJ196-2010) design provisions in article 3.3 attachment device of tower crane: when the tower crane attachment for use, attachment device settings and free height should comply with the provisions of the instructions; when the attachment level distance, attachment spacing does not meet the the instructions should be carried out, design calculation and drawing the map produced and written instructions; the attachment device and embedded parts shall be the original component manufacturer or made with the corresponding ability of the enterprise; the attached device design, the main structure of the building to support the checking.The regulations on the supervision and administration of the safety of building cranes (Ministry of Construction No. 166th) states: "it is prohibited to install the standard sections and attachments of non original manufacturing plants on the free construction lifting machinery.".The independent height of the tower crane is determined by the manufacturer's manual. The independent height of the tower cranes of different manufacturers and different types is different. The installation of the tower crane needs to be installed with a wall rod. The specifications are stipulated in the instruction. The national standard requires the instruction of the manufacturer's manual.
Q:Tower crane technical condition GB/T 9462-1999 has been cancelled? If so, what is the new standard?
This standard applies to tower cranes defined in GB/T 6974.3.This standard does not apply to mobile cranes equipped with tower cranes. This standard compares with the 5 standards such as GB/T 9462-1999, the main change is as follows:- redefining the type identification principle of tower cranes and eliminating the parameter series in JG/T 5037-1993;

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