Product Description:
1. The lifting boom and balance boom adopt cantilever boom structure, which reduces the hoisting modular and makes it more safe, convenient and flexible to install and uninstall, and reduces the requirements for hoisting equipment and the site.
2. Multiple special mounting brackets are available, which saves the installation time and ensures safe and quality installation.
3. The lifting boom adopts cantilever boom structure and variable cross-section materials, featuring more reasonable structural stress and long service life; and it is easier to make different combination of boom length.
4. It adopts standard sections (for models of over 12t) of piece assembly structure, split structure stock, and assembled platform, which meet the transport requirements for standard container.
5. The extra-long boom is designed with a rope-supporting trolley, and the speed of which is 1/2 of that of the luffing trolley, which can achieve the most optimum rope-supporting effect. The structure has applied for national patent.
6. The lifting mechanism adopts speed regulation by frequency control or by eddy current brake series resistance, featuring good lifting performance; The slewing system adopts frequency control by torque electric motor or by coil winding type electric motor with hydraulic coupler, featuring smooth operation and small slewing impact.
7. All kinds of safety devices are reliable and easy to adjust; both the safety monitoring control system and traditional safety system are available, the double system ensures safety operation of the tower crane; the hydraulic system adopts low/medium pressure design, featuring higher safety and reliability.
Tower Cranes（Top-Slewing）
Model | Max.lifting capacity & work range | Max.work range & lifting capacity | Max.independent lifting height(m) |
Torque | Lifting capacity at max.boom length | Lifting capacity(t) | Work range(m) | Work range(m) | Lifting capacity(t) |
QTZ31.5 | TC3508 | 3 | 11.59 | 35 | 0.8 | 29 |
TC3807 | 3 | 11.15 | 38 | 0.7 | 29 |
QTZ40 | TC4208 | 4 | 11.6 | 42 | 0.8 | 29 |
TC4708 | 4 | 13.4 | 47 | 0.8 | 29 |
QTZ50 | TC4610 | 5 | 11.9 | 46 | 1 | 36 |
TC5010 | 5 | 13.1 | 50 | 1 | 36 |
QTZ63 | TC5013 | 6 | 13.72 | 50 | 1.3 | 40 |
TC5013A | 6 | 13.72 | 50 | 1.3 | 40 |
TC5510 | 6 | 13.17 | 55 | 1 | 40 |
TC5510A | 6 | 13.17 | 55 | 1 | 40 |
QTZ80 | TC5512 | 8 | 12.68 | 55 | 1.2 | 45 |
QTZ100 | TC6013 | 8 | 14.45 | 60 | 1.3 | 45 |
QTZ125 | TC6014A | 10 | 12.4 | 60 | 1.4 | 50 |
QTZ160 | TC6020 | 10 | 15.2 | 60 | 2 | 52.6 |
QTZ250 | TC7030 | 12 | 20.4 | 70 | 3 | 45 |
- Q:who has made a origami crane? how hard was it?
- well I made an origami piece of trash, it looks JUST like a piece of screwed up paper that you get in those trash cans!!! It's so realistic. I'm v proud. But no.. no crane.. if I wanted one I'd get a real one thanks :D
- Q:How many meters is the tower crane installed on the edge of the deep foundation pit?
- Hello, it depends on your design requirements, generally have the pit bottom, straight out of a tower crane base do. Or elevator shaft is also more. Generally, the foundation pit is shallow foundation pit or relatively small foundation pit.
- Q:My boyfriend's a little sick right now, and he's going to have a surgery over summer. I'm in the process of folding him 1000 cranes (like the Japanese legend), and in every crane I wrote a message. I have a list of all the messages so far. I'm not sure how to give it to him, though. 1000 cranes is a lot of cranes... and I don't want to make him carry a big heavy box or anything. I also want him to be able to read the messages... something I didn't think of much when I decided to write them on the paper I folded the cranes with...Anyway, I was thinking about a scrapbook or something. But that would be a really big scrapbook. And I'd have to probably write out all 1000 messages again in it... Plus, I'm not sure if I can find a scrapbook with enough pages.Any ideas?
- A clear Glass vase would be cool, the colors of the cranes would make it decorative, and he could reach in to read one whenever he needs a pick me up. It is especially a good idea for the hospital, since they sometimes frown on flowers for allergy reasons. I also love the idea of a mobile, but that would be huge and time consuming, also the messages would be hard to read. But perhaps you could take 20 and turn those into a mobile, tie them to a stick with sewing thread, and plant the stick in the jar or vase you use to display the others.
- Q:Equipment safety of tower crane
- Safe distance tower and transmission line is not up to the requirements of the tower frame door frame to design, erection principle to power erection, do not use metal materials, bamboo and other materials can be used. The distance between a bamboo pole and a power line shall not be less than 1m, and a certain degree of stability shall be taken to prevent the wind from blowing. The tower crane height and bottom bearing size ratio is large, and the center of gravity of the tower body, high torque, braking frequency, impact force, in order to increase its stability, we will analysis the main causes of the tilting of the tower crane has the following:Overloading. Different types of cranes usually adopts the lifting torque based control, when the amplitude exceeds the rated load weight increase or the corresponding weights, the overturning moment more than stable moment of it, it may cause the collapse of the tower crane.Two, inclined hanging. Slant weights will increase its overturning moment, the lifting point will produce horizontal force and vertical force on the crane, bottom supporting point will produce an additional overturning moment, and the stability coefficient is reduced, resulting in tower crane collapse.Three, the tower crane foundation is uneven, the ground endurance is insufficient, the perpendicularity error is too big, also can cause the tower crane to overturn the moment to increase, causes the tower crane stability to reduce. Therefore, we should proceed from these key factors to strictly check, check and check, and prevent major equipment personal safety accidents. State explicitly eliminated the model should resolutely prohibit the use of, in disrepair, tower crane in the identification of the repair, to limit the use of load, tower crane for the use of fixed number of years there is no uniform standards, opinions vary, different places have different provisions.
- Q:Was it Ichabod Crane or Rory Emerald who got the jeepers creepers scared out of them by a headless horseman?
- Ahh.. I love it. Ian Dury's words came to mind. Noel Coward was a charmer. As a writer he was drama. Velvet, jackets and pyjamas, The gay divorce and other dramas. There ain't half been some clever bastards (Lucky bleeders, lucky bleeders) There ain't half been some clever bas-tards. Van Gough did some eyeball pleasers. He must have been a pencil squeezer. He didn't do the Mona Lisa, That was an Italian geezer. There ain't half been some clever bastards (Lucky bleeders, lucky bleeders) There ain't half been some clever bas-tards. Einstein can't be classed as witless. He claimed atoms were the littlest. When you did a bit of splittemness, Frighten everybody shitless. There ain't half been some clever bastards. Probably got help from their mum (who had help from her mum). There ain't half been some clever bastards. Now that we've had some, let's hope that there's lots more to come.
- Q:If any of you have read The Red Badge of courage by Stephen Crane can you please tell me what you think about it. Is it a good book or is it not?!!!! Do you praise it or critize it !? i need your opinion what's your review! Thanks
- if you have a choice not to read it, do that...i swear it was the most boring book i have ever come across. hah. nothing that hasn't already been said, but yes..not a good book..unless you want to have a bit of a sleep...
- Q:I've only seen one book that has it.I can't buy it until I get more money.That's the only one from that book I really wanted though...Is there any site that has it?With a diagram.Thanks!
- I okorder /
- Q:If I can't leave them outside..what should I do?
- String okorder /
- Q:What is the allowable range of vertical deviation for tower cranes?
- Previous answers to this question have been made. In the industry standard "construction site inspection of machinery and equipment technical specification" (JGJ160-2008), in the form of mandatory provisions: the tower crane installation height to basic design requirements, the axis of the tower line should be no more than 0.4% of the bearing surfaces of the lateral vertical deviation; after the attachment, the highest attachment point following the vertical deviation should be less than 0.2%. "The basic height of the design requirements" in the "strong regulation", that is, the maximum independent installation height on the site".
- Q:Around how much would it be to rent a crane to put a jacuzzi in my backyard.
- a crane rental will cost 5 times what the jacuzzi costs, maybe more depending on if there even any crane rental places anywhere near you have you even talked to the jacuzzi dealer to see how they deliver it normally? has he come out and looked at your property to see if there are any problems getting it in your yard?
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