High Efficiency QTZ40 Tower Crane for Sale

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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

 

High Efficiency QTZ40 Tower Crane for Sale

High Efficiency QTZ40 Tower Crane for Sale

High Efficiency QTZ40 Tower Crane for Sale

High Efficiency QTZ40 Tower Crane for Sale

High Efficiency QTZ40 Tower Crane for Sale

  

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:What is the allowable range of vertical deviation for tower cranes?
The verticality deviation range of ZOOMLION tower crane is allowed within 4/1000.
Q:Is the tower crane a special type of work?
The crane driver, scaffolder, welders and other special types are
Q:Tower crane demolition safety technical disclosure, how to write?
Baidu search:Tower crane removing and lowering joint safety technical disclosure.
Q:How to install the jack up tower crane 30How to install the jack up tower crane?
1, since it is self lifting, as the name suggests, is to rely on their own strength, without other cranes can rise.2, it has a special elevated section, a hydraulic device, the upper section rises, the middle empty time section, with his arm to be added to the festival hanging near the artificial it fixed, so that a section of the rising of the.3 crane refers to a certain range of vertical lifting and horizontal moving heavy lifting machines. Also called crane. At present the Guangdong SHUNFA hoisting lifting equipment limited company has gradually cancelled lifting driving function. The main features are: the tyre crane driving cab and lifting control room, is be made one crawler crane (crawler crane) evolved, the walking tracks and walking mechanism to support part of the tire chassis, overcome the crawler crane (crane) damage caused by the defects of trackboard pavement, belongs to the material handling machinery. Lifting equipment is characterized by intermittent exercise to do some work, namely the corresponding mechanism, taking in a working cycle of transport and unloading action is the turn of the job, the crane in the market development and the use of more and more widely. Because no leg lifting and lifting driving often appear some accident, driving faster than the crawler crane (crane); stable operation, large lifting capacity, lifting, walking road, but must ensure smooth solid tire pressure to meet the requirements, hanging from the ground not more than 50CM in a certain range is prohibited; with a load of long distance. In order to ensure the safety of operation, the lifting operations are not allowed to be carried out at home.
Q:What is the inspection certificate for tower cranes?
Inspection certificate of tower crane must have two certificates:1, the manufacturer issued its own "product quality certificate"2. The product quality supervision and inspection certificate issued by the Technical Supervision Bureau
Q:What is the difference between a tower crane QTZ31.5 and a QTZ40?
Lifting moment, arm length, elevation is not the same ah! Specifically, the maximum lifting weight of QTZ315 is 3 tons, the length of the arm is from 38-42 meters, the elevation is 27-28 meters; the maximum QTZ40 is 4 tons;
Q:Minimum QTZ63 tower crane special electric box open for many A
Minimum QTZ63 tower crane special electric box for 100A circuit breaker. The maximum lifting weight is: 6T; lifting torque: 63kN; m; tower crane lifting height is 40m (independent), 140m (attachment); power: 31.7 kW; work range: 2---57m.
Q:What is the scrap standard of tower crane hook?
The hook shall be scrapped at any time in the following circumstances:Crackle;The wear of the dangerous section is 10% of the original size;The opening ratio is increased by 10% than the original size;The twist of the hook is over 10 degrees;The dangerous section of the hook or the neck of the hook produces plastic deformation;The hook thread is corroded;When the hook bushing is worn at 50% of the original size, the bushing shall be replaced;The mandrel shall be replaced when the hook mandrel is worn at 5% of the original size. 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:What are the safety devices for the horizontal arm self lifting tower cranes?
(1) the lift height limit position limiter must be able to stop lifting motion immediately when the lifting device is raised to the 8OOmm at the lower end of the boom. For luffing cranes, lift the top of the hook to the lower end of the frame 500mm. The lifting movement must be stopped immediately. (2) lifting moment limiter and maximum weight limiter; when lifting torque reaches 90% of its rated value, the lifting torque limiter shall be able to issue an acoustic or red light to indicate the alarm. When the lifting torque exceeds its rated value and reaches 108% of the rated value, the lifting direction and outward direction shall be stopped. If the weight and amplitude indicator are set, the numerical value should be correct, clear and eye-catching. The digital error shall not exceed 5% of the indicated value. When the lifting weight exceeds the maximum weight, maximum lifting weight limiter should emit light or sound alarm, when the load exceeds the maximum weight of 6%, should stop to enhance the direction of movement, but to allow institutions towards the down direction.
Q:In order to ensure the stability of tower cranes, generally along the height of the tower and building a number of meters attached
Self lifting tower crane tower 45 meters high to prevail, such as height of over 45 meters, each increased to 10 meters (less than 5 meters, excluding) demolition costs increase 20%, off-site transportation costs increased by 10%.

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