China Tower Crane with CE certificate for Construction

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1 set
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20 set/month

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Product Description:

Descriptions of our tower crane:

1, TC4808 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 2.25 to 48m, TC4808 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.

Quick Details

 

QTZ40(4807/4708) Tower Crane
Ultra-long suspension arm (48/46.8m), large coverage.
Large section (1500*1500) of standard section, good rigidity, stable complete machine during hoisting, little sway.
Main limb material of standard section: Large size (<140*140* 12, 160*160*12)
Electrical system using high-quality domestic or imported components, stable and reliable performance.
Standard section, draw bar and upper and lower turntables adopting C02 gas shielded welding, large weld penetration, little deformation.
Two-speed motor or winding motor, stable and reliable starting, no shock.
Hoisting mechanism with good speed regulation and stability and no lifting shock
Load diagram
4807 loading capacity
m1215222530353840424548
4t-11.38mt3.7782.9571.9121.6431.3151.0810.970.9050.8460.7680.7
2t-21.17mt221.9121.6431.3151.0810.970.9050.8460.7680.7
4708 loading capacity
m1115212530353840424546.8
4t-10.96mt3.9862.871.9961.6461.341.1211.0170.9570.9020.8290.79
2t-20.96mt221.9961.6461.341.1211.0170.9570.9020.8290.79
Mechanism
QTZ40 self-climbing tower crane performance parameters
48074708
rated lifting momentKN.m400400
maximum load-lifting capacityt44
load-lifting capacity of maximum ranget0.70.79
working rangem3-483-46.8
heightmfreestanding:30  
attaching:120
freestanding:30
attaching:120
hoisting speeda=2m/min51.6/26/7.9851.6/25.8/7.9
a=425.8/12.9/3.925.8/12.9/3.9
luffing speedm/min38.6/25.239.6/25.2
swing speedr/min0.620.62
maximum lifting speedm/min0.40.4
total power of motorsKW23.923.9
maximum wind pressure in the working stateN/M2250

 

China Tower Crane with CE certificate for Construction

China Tower Crane with CE certificate for Construction

 

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Q:Which is the main basis for the disassembly and assembly process planning of tower cranes?
12 installation process;13 safety device debugging;14 major hazard installations and safety technical measures;15 emergency plan.2.0.12 tower crane disassembly special program should include the following content:1 project overview;2 plane and elevation of tower crane position;3 disassembly order;Weight and suspension position of 4 parts;5 disassembly type, performance and layout of auxiliary equipment;6 power settings;7 construction personnel allocation;8 rigging and special tools;9 major hazard installations and safety technical measures;10 emergency plan.
Q:what is an african dancing crane?
Q:Is it difficult to test tower cranes?
See the ability of individuals, the first ticket 650 yuan graduation card ID card (copy) medical certificate according to 3 inch 3 days learning theory exam two days of practice examination through 15 days notice thank you hope to adopt licensing
Q:In the story Cranes, what was Tokchae's mission for the league?
The main idea of Cranes by Hwang Sun-Won is more of a symbolic thing; he uses different objects such as chestnuts and cigarettes, as well as the cranes in the story to convey his hope and his dream, along with his message. He is expressing the power of war, particularly civil war, which can rip apart families, neighbors and the best of friends. The story, unlike many other tragic civil war tales, is not focused on the idealogical difference btw Tok-Chae and Song-Sam. Rather, it is about the human tragedy of the Korean War. Tok-Chae and Song-Sam were ripped apart by the War. Song-Sam, on his return to his village, he finds Tok-Chae and decides to escort him to a Public Peace Police office a few miles away. On the way, he gets flashbacks and talks with Tok-Chae. These things help to change his mind and he frees Tok-Chae. This is symbolized by the two cranes which soared high into the sky. Hwang-Sun Won conveys his message effectively; unification will be achieved and is needed to repair such ties like Tok-Chae and Song-Sam. He is saying that the two cranes will fly together once more.
Q:What do crane flies eat?
Crane flies usually don't eat after becoming adults. They usually just breed and die. If they do they would eat nectar. As larvae they eat what most larvae do roots and other vegetation in the soil. 2 0 Comment
Q:What are the main parameters of a tower crane?
For car luffing tower cranes, the maximum lifting height is only related to the height of the tower, and when the height of the tower is determined, the maximum height of the ceiling is a certain value.In addition to the 4 major performance parameters. And the working speed (including lifting speed, rotary speed and walking speed of car, traction speed), an important parameter gauge, wheelbase, total power, motor structure weight, balance and gross weight, etc.. These important parameters often determine the tower crane selection, such as speed of operation often determines the number of selected cranes, motor power requirements of power supply load, gauge, wheelbase of the site, and the structure weight, balance weight, weight of the foundation treatment of heavy machine requirement.Tower crane (tower crane) is called tower crane, also known as tower crane. A revolving crane mounted on top of a tall tower. The working space is large, mainly used for the vertical and horizontal transportation of materials and the installation of building components during the building construction. The tower crane consists of three parts: metal structure, working mechanism and electrical system. The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking. The electrical system consists of motors, controllers, power distribution cabinets, connecting lines, signals and lighting devices, etc..
Q:How heavy does a crane need to be to lift 5 tonnes?
It is not the weight of the crane alone that matters. But to some extend if the crane is light, this could create a torque when carrying a heavy load and the crane could collapse. Therefore I am speculating that inorder to lift 5Tonnes, the crane must be more than 5 tonnes to balance out the moments resulting in a torque The internal structure of bolts and trusses must be able to handle heavy loads and their are several calculations done to find each forces acting on the members of a truss. For eg: By using Pin Joint Analysis
Q:how do construction crews put up a crane?
They assemble it on a concrete foundation using a mobile crane. To grow taller, the top unit of the tower crane has a jacking mechanism that lets it raise itself up and insert another tower section.
Q:how did charles darwin influence stephen cranes writing?
Influenced by Darwin’s Theory of Evolution, Crane believed that people’s actions were determined by environmental factors rather than by conscious choices on their part. He believed also that conflict was the crucible in which human development occurred, and thus was attracted to the violent and seamy aspects of human experience.
Q:How do they erect a crane without the use of another crane?
Although I haven't seen it done I imagine that especially for very high cranes it's done most often with cables and winches (utilizing a pivot point at the bottom of the structure). For many lower cranes such as those found on vehicles hydraulic lifting is sufficient.

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