QTZ50 Luffing Material Construction Used Mobile Tower Crane

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Product Description:

  TC7021 12T construction used tower crane for sale

 

Product Description

 

Descriptions of our tower crane:

1, TC7021 have competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of work condition. With their working radius from 2.5 to 70m, TC7021 tower cranes are famous for their large operating ranges, varied working methods and wide uses.  

2,This series of tower cranes has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism.

3, It is original in design, reliable in operation and satisfactory in shape.

4,Equipped with all necessary safety devices, these cranes show a good speed-control capacity,, satisfactory operating stability and high work efficiency.

5,They are widely applied for the construction of high-rise hotels, resident buildings, high-rise industrial buildings, large-span factory buildings and tower like buildings like tall chimneys. Best after sales service will be offered which will get rid of all your worries in the purchase of our products

 

Advantage of our tower crane:

1, boom relief Angle is big, greatly widened the equipment capacity and scope of work.

2, suitable for the group of tower cross homework.

3, boom stability is good, combination amplitude range.

4, suitable for height have special requirements occasions construction.

5, lifting capacity big, effectively solve the high steel structure construction team crane big lifting capacity requirements.

 

Independent height (m)

50

Max height with attachment (m)

200

Working range can be adjusted(m) 

40/45/50/55/60/65/70

Min working range(m) 

2.5

Max lifting capacity(t)

12

Tip load @ 48m(t)

2.1

Hoist mechanism

Falls

2

4

Lifting capacity(t)

0-3

-

0-6

0-6

-

0-12

Speed(m/min)

0-80

-

0-40

0-40

-

0-20

Motor

YZPBF250-4-55W   

Trolleying mechanism

Speed(m/min)

0-56

Motor

YZPBE132M-4-7.5KW  

Slewing mechanism

Speed(r/min)

0-0.6

Motor

YLEW112M-6-120.N.M X2

Climbing speed(m/min)

0.5

Counterweight(t)

23.6

Mast section size(L×W×H)m

2.0×2.0×3.0m

Working temperature

-40-+60°C

Total power (KW)

95

Power supply requirement (KVA)

190KVA for generator

Cable type ( within 30 meters from site power source to lower

 electric box of tower crane )

50mm2(3+2, 5 cores)

Startup voltage & current

380V×95%=361V       219A

Rated working voltage & current

380V                  146A

 

QTZ50 Luffing Material Construction Used Mobile Tower Crane

QTZ50 Luffing Material Construction Used Mobile Tower Crane

QTZ50 Luffing Material Construction Used Mobile Tower Crane

QTZ50 Luffing Material Construction Used Mobile Tower Crane

QTZ50 Luffing Material Construction Used Mobile Tower Crane

  

About CNBM:

1, CNBM is the biggest state-owned company which has had been awarded Qualified construction machinery manufactures and most of the big project are using our products.

2, CNBM possess key technical research department and could design & produce special machinery for international clients.

3, We have had passed ISO9001:2008,CE and etc.

4. The successful long-time construction machinery operation in the world testifies that the CMAX products' performance is stable.

5. More than 10 overseas branch office provide immediate commercial convenience and after service.

6. We also has building hoist, suspended platform, formwork, etc. We also signed the strategic partnership with Tadano (China), XCMG, Zoomlion, Sany and other prestigious crane manufacturer, getting the competitive cost price from them, and using our overseas marketing channel to promote their brands. We can provider a series of equipment for your building company customer and supply a basket scheme for the final users.

7. We have built a cover 50,000 square meter logistic park in, Dubai UAE, will be a great guarantee of our business in middle east and nearby area.

 

 

FAQ

 1. why chose us?

China National Building Materials (Group) Corporation (CNBM), established in 1984,now is one of the largest state-owned group corporation in China, dealing with building materials & industrial equipment. Up to year 2010, CNBM Group's total asset is 20 billion USD and total staff is more than 100,000.CNBM International Corporation, specializes in designing & manufacturing of various

kinds of construction machinery, including tower crane, building hoist, etc. All the equipment produced by CNBM are compliant with the National level quality standard, and wins great reputation for their endurable performance in worldwide markets.

 

2.How about the shipment?

You can put 2 sets of of wheel loaders in one 40HQ container. The spare parts are packed with boxes.

The delivery time is 20 days.

 

3. What about your service?

We have our factory, we can meet customers needs as soon as possible.

We have first rate professional technology and provide good after-sales service.

 

4.After Sales Service

We offer the Preventative Maintenance and After Sales Service. For we strongly feels about the importance of supporting our customers and the product solutions we provide. Consequently we offer comprehensive maintenance options to prevent equipment issues before they become problems. Also we offer one year guarantee period.   

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Q:Is a tower crane a fixed type crane? Still can walk? Thank you
The tower crane is the equipment that can be used in the construction site and is not to walk.
Q:Wall mounted tower crane
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 to.
Q:Tower crane, this model inside each letter number represents what meaning, ask the great God to inform.TCT7527-20, TC6015A-10E
The basic parameters of the tower crane: a working range: refers to the center of rotation of the lifting hook up center and tower crane horizontal distance.
Q:What are the special operators of tower cranes?
The tower has special operations personnel of heavy machinery refers to the construction site in the tower crane division signal cable, installation and disassembly, the driver, and the demolition work of gondola installation, may cause serious harm to themselves, others and the surrounding facilities operations personnel. Specific include construction lifting signal division, cable construction, lifting machinery, tower crane driver (T), construction crane, tower crane installation, demolition worker (T), and height job basket, installation, demolition workers.
Q:Why do tower cranes need to be fabricated?
The crane wire rope commonly used varieties of phosphating coating steel wire rope, galvanized steel wire, stainless steel wire rope, the use of atmospheric environment, patented technology to produce manganese phosphating coating of steel wire rope has the longest lifespan, heavy corrosion environment optimization of hot galvanized wire rope double - phosphating coating.Phosphating coating of steel wire rope production technology patent, give priority to the use of manganese or zinc manganese phosphating, and smooth steel wire rope production process comparison, just add the last bonderizing process, steel wire for rope wear resistance and corrosion resistance is greatly improved, the use of direct phosphating steel wire twisting steel wire rope.
Q:How often should the crane be inspected regularly?
Tower cranes, elevators, mobile cranes 1 times a year, including rubber tyred container gantry crane every 2 years 1; small light lifting equipment, bridge crane, gantry crane, gantry crane, cable crane, crane mast, railway crane, jib crane, mechanical parking equipment every 2 years 1, the crane annual molten metal and hot metal 1.Rules for periodical inspection of lifting machineryArticle 1 These rules are formulated in accordance with the regulations on the supervision of special equipment safety and the regulations on the supervision of crane safety.Article second of the rules from the regular inspection of heavy machinery, is often used in hoisting machinery maintenance unit (hereinafter referred to as the foundation of the self inspection and maintenance), by the State Administration of Quality Supervision Inspection and Quarantine (hereinafter referred to as the State Quality Inspection Administration) special equipment inspection agency approved (hereinafter referred to as the inspection agency) according to the rules, to incorporate the use of registration in the inspection of crane.Article third these rules apply to lifting machinery within the scope stipulated in the regulations on safety supervision of special equipment. All the hoisting machines included in the catalogue of special equipment shall be inspected regularly."No" included in the catalogue of special equipment installation supervision and inspection and the implementation form of hoisting machinery factory, direct delivery unit, for use in pre registration by the local inspection agencies in accordance with the rules of the test items and their contents, requirements and methods for inspection of the equipment before using test (i.e., referred to as the first examination), qualified rear can be used for registration. For the first inspection of hoisting machinery, see Appendix A.
Q:The rated lifting capacity of a tower crane refers to what is allowed and what is allowed to be divided by the crane
The total quality of the crane rated liftingweightincludes the lifting load and the hook and rope a simplified example, such as the rated lifting weight of 100 tons, the quality of the hook and spreader for 5 tons, the actual quality of the goods can lift 95 tons.
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:What is the difference between lifting height of tower crane and independent height?
Of course there is a difference. Independent height refers to the highest height of tower crane in its free state. Lifting height refers to the height of actual tower crane design.
Q:Do self lifting tower cranes allow a small swing of the boom in jacking operation?
The upper working structure of the attached tower crane is connected with the jacking sleeve frame, and a jack jack is mounted on the top lifting jacket frame. The upper crossbeam of the jack is connected with the jacking frame, and the lower cross beam is provided with a movable claw, and the lower supporting point can fall on the step of the standard section of the tower body. During lifting, first trim jib and balance arm, unlock the top are connected with a lifting sleeve frame with the standard section, start lifting system, lifting jack will superstructure.

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