• Tower Crane TC7021 Construction Equipment Building Machinery Distributor System 1
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Tower Crane TC7021 Construction Equipment Building Machinery Distributor

Tower Crane TC7021 Construction Equipment Building Machinery Distributor

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1 unit
Supply Capability:
5 unit/month

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Tower Crane TC7021 Description:

1.CMAX Tower Crane TC7021  is one of the main product of CNBM company, which have competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of work condition.

2. Tower Crane TC7021 can adopts standard section hydraulic lifting and connecting, and can decide the crane height according to the actual height of the building, and at the same time the lifting capacity will not be affected.

3. Tower Crane TC7021 has high working speed, good speed-adjusting performance, steady operation and high efficiency. Three-speed motor and mono-speed ratio decelerator are applied in the lifting struction, which enables heavy load low speed and light load high speed.

4.Tower Crane TC7021  has complete set of safety devices, which can guarantee the safe and high efficienct operation of the equipment. The machine is equipped with lifting height limiter, dolly range-change limiter, moment limiter,weightlimiter,circumgyrating limiter,and so on. 

5.Tower Crane TC7021  has scientific layout and beautiful appearance. The operator's room is set independently on one side, with good vision field. It creates a good working environment for the operato.


Tower Crane TC7021  Parameter:

 Max. working range 70m, tip lifting weight 2.1T and Max. lifting weight 12T.

Hoisting mechanism fitted with three speed motor, stable braking and less shock when shifting.

Trolleying mechanism can provide two operation speeds.

Free standing 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 @ 50m (t) 2.1


Tower Crane TC7021   Packaging & Delivery:

40HQ container

20~25days after deposit


Tower Crane TC7021Diagram:

Tower Crane TC7021 Construction Equipment Building Machinery Distributor

Tower Crane TC7021 Construction Equipment Building Machinery Distributor

Tower Crane TC7021 Technical Sheet:

Tower Crane TC7021 Construction Equipment Building Machinery Distributor

Tower Crane TC7021 FAQ:

1.What is tower crane?

Tower crane is a modern form of balance crane that consist of the same basic parts. Fixed to the ground on a concrete foundation (and sometimes attached to the sides of structures as well), tower cranes often give the best combination of height and lifting capacity and are used in the construction site.

2. What is the meaning of the tower crane’s code?

Take Tower Crane TC7021 for example, the first two letters “TC” means Tower Crane, “70”means jib length is 70 meter, and the last two letter “21” means the tip load is :2.1 ton.

3. What is the principal to quote the right tower crane to the client?

First, we need to know clients’ requirements,for example, max lifting capacity, height, tip load and jib length.. Second, we need to know what the foundation requirement from the client is and Third if there are special needs. CNBM could suggest proposal according to clear data provided by the clients.

Q: what can lead tower crane to blank out?
(1) tower crane has crack; (2)Brake block friction lining wear up to 50% ofRaw material thickness ; (3)Brake wheel surface wear reaches 5mm ~ 2mm (4)Spring has plastic deformation; (5)Lever system, air travelis more than about 10% of its rated trip
Q: who has made a origami crane? how hard was it?
A okorder /
Q: in the karate kid 1984 is the crane kick something they just put in the movie and not real ?
The Crane kick is an actual Martial Arts move it is done in some Hung Ga Kung Fu forms but differently than the one in the movie because it is done without jumping and is much faster the crane kick in the Karate Kid is just a figment of the director and screen writers imaginations.
Q: Im looking for more information on Overhead Cranes!?
Try okorder /
Q: ok I found an injured crane what do I feed it?
Cranes are omnivores. But I would feed crane with vegetarian stuff like grain, berries, plants, roots, seeds, stems, bulbs, fruits, nuts. But if you want make it non vegetarian then rodents, fish, amphibians, snakes, rodents, lizards, small fish, frogs, shellfish, mollusks and crustaceans.
Q: Tower crane and construction hoist service life? What are the norms and standards? How to detect?
more than 1250KN.m (including 1250KN.m), the factory more than 20 years of age (including 20 years);Construction hoist: SC years of construction for more than 8 years (excluding 8 years) SS construction hoist; factory life of more than 5 years (excluding 5 years) of the construction hoist.Excluding other areas
Q: how do cranes get assembled ? on building sites?
They use hydraulic mobile cranes, (they're telescopic). I watched a crane being disassembled on a building site near my home. How did they do it before they had these mobile cranes? In Switzerland, in places where there are no roads they use helicopters.
Q: i have 5 tower cranes outside my window at different construction sites and they all position their cranes the same direction at the end of the day. is there a reason for this.
It might be that specific company or something. I'm on the Las Vegas strip right now, and there are dozens of cranes pointed every which way.
Q: my HSAP prep teacher wants us to find instructions on how to make an oragami crane.She said that it has to be less than 24 steps.I have looked on the internet and I cannot find anything.I need this by tomorrow.Please help!
Start with a square piece of paper. You got that? Fold the paper corner to corner to get a large right triangle, and fold it corner to corner again to get a smaller triangle. You got that ,or did I lose you. Open the paper, and you will see a big X. Never mind the X. We will come back to it. Now fold the paper side to side to get a rectangle, and fold the two SHORT SIDES to the X fold. Open and do the other two by repeating what you just did. Open the paper FLAT. You can now see a 4 pointed star. Along the four sides of the square, push down on the perimeter of the star to make the star come up. Fold down until you have a flat KITE. Make sure you have 2 flaps on each side. What you are looking at now is one wing, and the other one is in the back. The neck and head are inside the wings. Pull them out half way to expose them. Fold one side at the tip to make a head. If you did everything correctly, and hold under the neck with one hand and pull the tail with the other hand, the crane should flap its wing. Write back if you need more help.
Q: What is the theme of the poem A man to the universe by Stephen Crane?
In the poem “A Man said to the Universe” by Stephen Crane three distinct images appear as the reader relates man and universe as they fit into their cosmic role. The simplicity of the five line poem envelopes man’s perception of his place among the universe, the universe’s perception of its role in the order of life, and the relationship of both man and universe in regards to the enormity of the cosmos. Collectively, these three components create a profound thought on creation. By Folrani Adewale

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