Tower Crane TC7021 Construction Equipment Building Machinery

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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

Tower Crane TC7021 Construction Equipment Building Machinery

Tower Crane TC7021 Technical Sheet:

Tower Crane TC7021 Construction Equipment Building Machinery

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.

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Q:HELP me CRANE FLYS ARE IN MY HOUSE 5 AT LEAST!?
The spiders in your house will kill them and eat them. If you don't have spiders, just wait. They will come in for your crane flies. If you must get rid of them before the spiders do the work, use your vacuum. The crevice tool will suck them up and crush them in the bag. I had one in my house this morning. It was hanging around my east window as the sun was coming up. I used a towel to guide it toward the open patio door. You do need to be up about dawn for this to work.
Q:where can i find defiance by shelly crane online for free?
did you ever get to read this book
Q:Any origami site with this one? Kissing Cranes?
Now, If the guy was 75 yrs old, with beautifull gray hair and can ballroom dance, and asked If he could kiss me , I would say yes, The one thing I hate is when a guy opens his mouth over yours and thinks thats a kiss, I would have to tell him I don't need a bath. Or that I don't need to be swallowed up. If he's that hundgry he should go get something to eat at A fast food place. HA HA HA.
Q:How does a crane make work easier? ( In the scientific way, Force x Distance... you know)?
The type of crane she is referring to ia a simple pole with a fulcrum placed between the person operating the crane, and the mass to be lifted. Imagine a weightless pole with a rope tied to one end attached to a mass of weight 224 lbs The pole is 9 feet long Let's say the human weighs 112 lbs, or half of what is to be lifted. Without a crane, it will be difficult to lift that much and swing it around. With the crane, though, let's look at the advantage when a fulcrum is placed under the pole and the person pushes down on the pole to lift the weight. First, note that gravity is in favor of the person to use their weight on the pole. Using physics, with the fulcrum place at x from the mass to be lifted, the downward force of the person is F*(9-x)=224*x or F=224*x/(9-x) now plug in some values for x and compute the force: x F 4.5 224 3.5 143 2.5 86 1.5 45 0.5 13 I started by placing the fulcrum exactly in the middle and then moving the fulcrum in increments of 1 foot closer to the weight to be lifted Notice that the more pole towards the person pressing down, the less force the person has to apply to lift the weight. Also, note that when the fulcrum is in the middle, the person must apply a downward force equal to the weight - which willl be difficult foir a person that weighs 112lbs. However, once the fulcrum is placed 2.5 ft from the weight, the person only need apply 86 lbs of downward pressure. Leverage. j
Q:please tell an article about electromagnetic crane?
electromagnetic crane has a huge electric magnet instead of a hook. this magnet is operated by an electrical current. when electric is switched on the magnet becomes magnetized,allowing metal objects to be picked up just like an ordinary magnet.when Electric is turned off the metal object will fall away, as it is no longer magnetized.
Q:Breifly explain the brake system in the lifting devices ex. Over head crane?
Cranes work using hydraulics and cables. The cables are wrapped around pulleys and the pulley is turned using hydraulic power. The brake system is simply stopping the pulley from turning by reducing power. The hydraulic system typically will turn a series of gears which in turn spins the pulley that the cable is wrapped around. It's different than a brake system say on a car where when you hit the brakes, pads squeeze on the interior of the wheel rim slowing it down. Cranes you just reduce power and stop the pulley from turning. They also have emergency stops. Older cranes have wedges that would be released onto the cable and then the wedges would grab the cable and slip into a ring. The narrow end of the wedges would slip into the ring first and then as the wedges increased in diameter the grip on the cable would get tighter and then stop the cable from moving. They also have systems on the pulleys to stop the pulley from spinning. They essentially work the same way as a car break. When the emergency brake is triggered, pads will squeeze on the rim of the pulley to stop it. These mechanisms work by friction. They could also have holes around the pulley and a steel pin would be pushed into one of the holes to stop it from spinning. Of course if the force of the weight exceeded the strength of the pin, it would shear.
Q:What are the types of cranes?
First, lifting machinery according to the way of work can be divided into light and small lifting equipment, cranes and elevators three categories. (1) light and small lifting equipment mainly refers to lifting machines with only one lifting device. There are jacks, pulleys, electric hand operated gourds, etc.. (2) crane refers to lifting machines that can not only lift vertically but also move horizontally. Such as bridge cranes (also known as driving or crane), automobile cranes, tower cranes and so on. (3) lift refers to the fixed position, lifting fixed line, traction wire rope, with slide limit, lifting the luggage belt. It includes all kinds of elevators, winches, winches, etc..
Q:How to change the mechanical property unit of crane (tower crane)?
Measures for the record and registration of construction hoisting machineryArticle 1 These measures are formulated in accordance with the provisions on the supervision and administration of the safety of construction cranes' machinery (Order No. 166th of the Ministry of construction) in order to strengthen the management of the record and registration of construction cranes.The construction and registration of the hoisting machinery as mentioned in the present Measures shall include the registration of the lifting machinery, the installation (disassembly), the notification and the use of the registration of the second.Third construction departments of the people's governments at or above the county level may use the computer information management system to handle the registration and registration of construction hoisting machinery, and establish a database.The construction administrative department of the local people's government at or above the county level shall provide the registration and registration and inquiry service of the building hoisting machinery within its administrative area.Article fourth rental, installation and use of units shall be submitted in accordance with the provisions of the lifting of construction machinery registration information, and the authenticity of the information provided by the responsible.The construction administrative department of the local people's government at or above the county level shall establish a system for the examination and registration of the hoisting machinery.Fifth construction machinery rental units or purchase building lifting units (hereinafter referred to as the "property units") in the construction machinery rental for the first time or before the installation, should be registered at the competent construction Department of the local people's governments at or above the county level to the unit of business (hereinafter referred to as the "equipment registration authority") for the record.
Q:Do crane flies bother people?
ANY type of bug bothers me. Especially the creepy crawlies. *shudders*. I wouldn't go to sleep if i knew i had a type of bug in my room. I guess you'll have to deal with them. Sorry. Good luck finding it.
Q:What happened to White Crane?
I can't comment on the people you mentioned. What I can say is that White Crane is a good style. BUT, it was never as popular as arts like Goju-ryu, Shotokan, Shito-ryu, and many others. It is curious that Wikipedia would say something like the style is less popular. But then I have always taken what I see on the internet with a grain of salt. Anyone can post any thing they want on the net. That does not make it true.

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