TOWER CRANE QTZ31.5 lifting mechanism adopts speed regulation by frequency control
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 6 unit/month
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The tower crane is a hydraulic tower crane with swing top, horizontal jib and mobile trolley. It has the hoisting moment for315Kn.m;the maximum hoisting load of 3t and the maximum working radius of 39m.The hoisting height of anchoring tower crane is 25m and that of climbing tower crane is 100m.
The tower crane has ingenious design, beautiful shape and simple structure .It is easy to operate and maintain, and is safe and at a reasonable price .It is an ideal construction machines for construction enterprises. It has hoisting mechanism, swing mechanism, top-rising mechanism and radius mechanism, which can work individually or cooperatively to make a high efficiency. The top-rising mechanism is used to raise or lower tower. The hoisting mechanism has 3-speed electronic motor respectively for high, medium and slow hoisting speeds. It has flexible swing mechanism and radius mechanism and slewing mechanism for vertical and /or horizontal transportation of building materials in one time.
The tower crane has complete and sensitive protection devices such as hoisting weight limiter, hoisting moment limiter, hoisting height limiter, radius limiter and swing limiter to ensure of regular operation. It also has rest platform, guardrail and other protection devices. Driver’s cab is at a side of rib and has big space and wide visual field.
The tower crane has excellent performance and is suitable for hoisting in short civil or industrial buildings or loading or unloading in ports or goods yards
1 Main technical Parameters
Name | Unit | Index | |
QTZ31.5 | |||
Nominal hoisting moment | kN.m | 315 | |
Max. hoisting weight | t | 3 | |
Rated hoisting weight at jib nose | t | 0.734 | |
Working radius | m | 2.5~39 | |
Height | Independent | m | 25 |
Attached | m | 100 | |
Hoisting Speed | Ratio. |
| 2 |
Hoisting speed | m/min | 42/21/7 | |
Swing speed | r/min | 0.45/0.7 | |
Radius speed | m/min | 33 | |
Top-hoisting speed | m/min | 0.7 | |
Weight(independent) | t | 19.5(21) | |
Ballast weight | t | 5 | |
Max. swing radii | m | 39.75 | |
rear swing radii | m | 10.37 | |
Max. working wind speed | m/s | 20 | |
Max wind speed for top rising | m/s | 13 | |
Working temperature | ℃ | -20~40 | |
2 Technical Parameters of Main Parts
Name | index | |||||||||
hoisting structure | Electric motor | model | YZS200L1-4/8/24 | |||||||
power | kW | 15/15/4 | ||||||||
Rotating speed | r/min | 1440/730/220 | ||||||||
Decelerating motor | model | JZQ400 | ||||||||
Central distance | mm | 400 | ||||||||
ratio | 15.75 | |||||||||
Arrester | model | YWZ-200/25 | ||||||||
Braking moment | N.m | 200 | ||||||||
Hydraulic propeller | YT1-25 | |||||||||
Steel wire | 6*19-12.5-1670-I-right twisted | |||||||||
swing mechanism | Epicyclical reducer | model | XX4-63 | |||||||
Reducing ratio | 195 | |||||||||
fluid coupling | YOX-220A | |||||||||
Slewing ring | 011.32.1120 | |||||||||
Electric motor | model | YD112M-6/4 B5 | ||||||||
Power | kW | 2.2/2.8 | ||||||||
Rotating speed | r/min | 950/1440 | ||||||||
radius changing mechanism | Electric motor | model | Y100l2-4 | |||||||
Power | kW | 3 | ||||||||
Rotating speed | r/min | 1430 | ||||||||
reducer | model | WCJ-120 | ||||||||
Reducing ratio | 38 | |||||||||
Steel wire | 6*19-6.2-1570-I-right twisted | |||||||||
Lifting mechanism | Electric motor | model | Y100L2-4 B5 | |||||||
power | kW | 3 | ||||||||
Rotating speed | r/min | 1430 | ||||||||
Hydraulic oil cylinder | HSGK-125/90-1320 | |||||||||
Rating pressure | MPa | 16 | ||||||||
- Q: what kind of material is used in making of crane and what is the making process of crane.
- There are so many kinds of cranes that you need to pick one to get any kind of good answer - the tall T shaped cranes are simply welded up from tubing and barstock into modular sections that will fit on a semi trailer and be hauled to the site. Their structure shows in the photos. A boom crane with telescoping boom has to be made up of welded tube sections with bearings and hydraulic pistons inside and out. And of course, the base of a moveable crane adds a whole series of complications.
- Q: I had this dream where I was watching a flock of Sandhill Cranes on a road. Cars were swerving to avoid them, but one sporty red car lost control and smashed into a brick wall, killing some of the birds. The rest of the cranes started freaking out, flapping their wings and coming towards me. They were so frightened that they started to defecate too. Soon though, there was so much bird poop that it became like a river ready to engulf me. It was like a glowing white too (really weird, I know).Then, their legs turned into human legs, and the cranes turned into tall, beautiful humans with wings - angels, I think. These beings radiated power and filled me with terror as they approached. They must have been 8 feet tall and they towered over me. One red-headed angel looked at me when he passed, and I was so terrified that I woke up.Any ideas about what this could mean? It's one of the most powerful dreams I've ever had.
- First of all, to see a crane in your dream, represents happiness, maternal love, and your gestures of good will. You look out for those who are near and dear to you. Alternatively, a crane signifies tact, immortality or vigilance. Furthermore, dreaming of an angel can mean two things. Purity, protection, comfort and consolation. Pay careful attention to the message that the angels are trying to convey. These messages serve as a guide toward greater fulfillment and happiness. Alternatively, it signifies an unusual disturbance in your soul. Angels may appear in your dream as a result of your wicked and mean-hearted activities.
- Q: Do the characters develop a sense of brotherhood. If so will it be temporary or permanent
- They absolutely do - as anyone who has ever tried to row a boat with another person can understand. The key here is the correspondent who is described as someone who has developed a distrust for people. He has seen a lot of things and as a reporter, he has kind of trained himself to view them impartially and not become involved. Crane discusses that when he talks about the correspondent seeing the dead soldier in Algiers. However, now his basic survival depends on him becoming involved with people. He has to take orders from the captain. He has to take turns rowing with the oilman. Eventually when the boat becomes too heavy, they take turns holding on from the water. It's basic survival now and the only way it works is by them developing a brotherhood and working as a team. I dont think it will be permenent - the correspondent will go his own way - back to reporting. However I think that he will take with him a new view of people - an empathy which will make him a better correspondent. Pax - C.
- Q: How the cranes can stand without any tipping with huge counter weights on its back? If there is no suspended load also the crane is is still stable with huge counter weights on its back. How it can possible? Why crane is not offballencing while we adding extra counter weights on it without any suspended load?
- Usually the counterweights can move back and forth on an arm. They are moved toward the crane when there is no load and away from the crane when there is a load. If the counterweights can't move, then the crane must be designed to hold (at least) the minimum counterweights in their fixed location. As the crane gets loaded, the net moment decreases, and then increases in the other direction as more and more load gets added. It is still likely that the maximum design moment when loaded far exceeds the moment due to the counterweights on an unloaded crane.
- Q: Tower crane four limit, two insurance, two insurance what is that?
- Refers to the air switch and the electric leakage protector in the electric tray.
- Q: Hi, considering joining a fujian white crane kung fu club, just looking for information on the internet. need videos and photos and descriptions about it. any links? thanks!
- My kind of question! I would like to start off by saying that if you have a Fujian WC school near you, you are very fortunate! I have to travel a bit and worst, wait for Sifu to be available. He is always abroad and busy when home. I learn Yong Chun White Crane. I have practiced Okinawan martial arts all my life and WC is the ancestor of my art, or rather, one of them. What school will you be joining? And Paul, what school do you train in? I also love the Hakka arts, which are somewhat related. FWC is an internal art based on Sam Chien training - Sanchin. It's great to know of others who are interested in White Crane Fist. Lets keep this conversation going!
- Q: I am reading catching fire and I'm at the part where Katniss just made a little dummy in the training session and she wrote the name seneca crane on it and the gamemakers were like shocked. Who is seneca crane? and whats up with her?
- he was head gamemaker, not game master.
- Q: i want to buy china tower crane,how to cantact the manufacture?
- Jinan Jinkui Construction Machinery Co., Ltd, one of the famous manufacturers for tower crane in China, has been rated the best suppliers in tower crane industry in China for three consecutive years. Also the exportation of tower crane has been taking a leading position in domestic China. The perfect after sales service is one of the reasons for you to choose Jinkui tower crane of China
- Q: Today, my boyfriend surprised me with an origami bird he'd made for me the night before, just for no reason. He told me he'd tried to make a crane but it got to be to complicated. I thought an was an incredibly sweet gesture, and I thanked him thoroughly. I was wondering if it would be nice to give him an origami something back? I found a really easy video on how to make cranes and I made one, but I don't want it to seem like I'm trying to show him up, I just want to show my gratitude. Would it be best to give him the crane, give him a different origami animal, or just let the whole thing go? Sorry if it seems like I'm over thinking this, I just really like him :)
- NOT the crane, another origami animal perhaps or give him something different. The crane will so seem as if you're trying to show you're better :P so sweet he gave you a bird though! Be happy! :D
- Q: total motor kw-100kw,crane class-m6,the crane should be operated on ups as the conventional electric supply is off , back up time require-30 min.
- To account for the inefficiencies, and startup currents, you should have a 200 kW (200 kVA) inverter with peak power of 800 kW. The batteries would have to store and deliver about 150 kW. But lead acid batteries would need to be of a higher capacity to guarantee that power level for 1/2 hour, which calculates to 75 kW-hour. I'd say 100 kW-hour capacity. A large 12 volt battery can store about 100 amp-hours which translates to 1 kW-hour, so you would need 100 of this size batteries connected in series/parallel. I made a lot of guesses, you should get better numbers for the motors, the inverters and batteries for a more accurate calculation. An inverter of the size needed will not be a 12 volt unit, but probably 48 or 96 volts DC. so you need to configure your batteries in series parallel to get that voltage. Altogether, the 100 large batteries make this not a practical solution. There are lots of large cranes in the world, what do they use for backup? And why do you need backup. With no power, the clutches would keep the crane and loads fixed in position, my guess.
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TOWER CRANE QTZ31.5 lifting mechanism adopts speed regulation by frequency control
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 6 unit/month
OKorder Service Pledge
OKorder Financial Service
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