YONGMAO STL720 tower crane
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Tower Crane Model Type:Luffing
Max. Lifting Capacity:50/32T
Tip load:9.0T
Arm Length:60M
Independent Height:48.4M
Founded in the year of 1996, Yongmao is one of the key suppliers specialized in manufacturing construction machinery and engineering equipment.
We currently offer a variety of tower cranes which are broadly classified under the Topless STT series, the ST series, the Luffing STL series and the Derrick QD series, as well as crawler cranes and modified vehicles.
Yongmao tower cranes have not only been working for various domestic projects like hydroelectric power plants, nuclear power plants, shipyard, wharf, bridge, aerospace etc. but also acting in numerous construction projects all over the world.
Yongmao appreciates the reliance and confidence given by its valuable users all over the world and feels very proud of its ability and capability to contribute value added services to its users both at home and abroad.
- Q: how does a crane operator's knowledge of where the centroid is generally located for most uniform objects help them perform their job more safely?
- Usually it is the rigger who attaches the lifting gear not the crane operator who needs to know about centriods and even then the real trick is getting the slings or other lifting devices in the exact place. That tends to be a bit of trial and error unless the lifting points are clearly marked.
- Q: How good a job do you think Crane did in voicing the theme of pride/morales in Red Badge of Courage?
- How good a job do _you_ think he did? If this is a homework then your teacher wants _your_ opinion, not that of a stranger on the internet.
- Q: how many different types of cranes and winches are there?
- A bit more information might help. In England there are Winches and then there are winches. As for Cranes are we talking about birds.........actually there are only a few type of each.......but there can be quite a few variations of the basic types. let's say 6 types of cranes and 4 or 5 winches.
- Q: Hi, I just bought a 12 foot tommy jib crane, for my cannon x1-h1, I also bought a pan and tilt motor that you put on top of the camera mount at the end of the jib and then add your camera on top of your motor mount. This thing is really heavy now, I have to use 40 lbs for a counter weight. On top of that all the weight is making the jib slanted and shooting crooked. So I took off the motor head and just left the camera on there, and it help a bit, but its still crooked. Is there any fix for this other than buying a more expensive stronger jib crane? It shoots great and I know I can fix the video in post, but it just bothers me. Any help?
- When you added the pan/tilt head (and the cable) to the camcorder, you exceeded the supported weight rating of the crane and the crane stage. Then, when you put 40 pounds of counter weights on, you went way over the engineered capacity of the crane arm resulting in the bend.
- Q: What are the four major moving mechanisms of a tower crane?
- Four big bodies of tower crane: lifting, slewing, luffing and walking.
- Q: Does tower crane belong to special equipment?
- Tower crane is a high-altitude operation, the type of work belongs to special types of work, equipment belongs to special equipment.
- Q: electromagnetic crane
- Current sent through a coil of wire creates a magnetic field, which can be used to pick up ferromagnetic objects. Turn off the current, and the field will turn off (although it might take a few seconds to turn off all the way), dropping the object.
- Q: I need to know exactly how much weight they can lift also how much do they weight?how long is thier life-time?in what temprature they can work?does mosture do any harm to them?for installation , do they need foundation?the exact height and width?
- You need to be more specific. The lifting capacities for container cranes varies significantly, as does any other crane. Some of the variation is based purely on load (horsepower) availability; some is based on speed (rpm) for lift/drop portions of the cycle. Cranes like these operate year-round, at ports all over the world. Some ports have average ambient temperatures in the range of 45 C, with highs up to 60 C. Others can be as low an average as 10 C, with a low peak as much as -50 C. Moisture will, over the long haul, harm them - they're metal constructs, and thus are prone to oxidation. Using corrosion-resistant materials and/or coatings will certainly prolong their usable lifespan. The crane drives (electric motors and power electronics) are also susceptible to moisture and other contaminants. All true dockside cranes require some sort of permanent foundation; it's usually part of the pier construction itself. However, there are portable cranes that operate without one. There is also more than one crane manufacturer out there - all will have their trade secrets that will make each look a little different than the rest. It will generally also reflect in their operation parameters, and in their expected life cycle.
- Q: I have preliminary data: up to 2 tons of weight; work range of 40 meters; lifting torque 800KNm; lifting height 45m.. I encountered problems in the design, and some of its specific reference, I would like to ask here, for example, how much is the weight of its whole machine, how much is the balance weight, the balance of the radius of gyration? Super boom weight? (it's better to have the approximate weight of each component). And when I design this tower crane, is it necessary to use planetary gear for the gear reducer?Thanks to your advice, Liu is here to thank you
- You made the tower crane. All manufacturers are not necessarily the same
- Q: Were the anti-gravity machines used to build the pyramids levers, winches and cranes?
- Levers winches and cranes all use a counter balance. Its weight that helps move weight in different ways. There is no such thing as an anti-gravity machine.
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YONGMAO STL720 tower crane
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