• YONGMAO ST455 tower crane System 1
  • YONGMAO ST455 tower crane System 2
  • YONGMAO ST455 tower crane System 3
YONGMAO ST455 tower crane

YONGMAO ST455 tower crane

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Tower Crane Model Type:Topkit

Max. Lifting Capacity:25/20T

Tip load:3.0/3.1T

Arm Length:80M

Independent Height:66.7M


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:On the wing chun T-shirts they got i print of a crane and a snake what do they mean and the yin and yang?
Wing Chun really doesn't specify any particular animal to follow but some people have a need to identify themselves with an animal like the other styles do. I think some story along this line may have said a crane and a fox, others say a crane and a snake. But, if you've learned the style it's stance is called and resembles a pigeon toe, it has a block called wing hand strikes called sun character and flying fingers slap blocks bridge arms... It really is non-specific to any animal and is actually named after a woman which translates to everlasting spring. The only symbol that truly represents Wing Chun is the plum blossom which blooms in the winter. Hence the everlasting spring symbolism.
Q:Which one is a better investment? I can get both for 200dollars
Probably an engine crane (engine hoist). Engine support you still need to lift the engine for the engine support. You hardly ever need to maneuver the engine to do a timing belt. Edit: I have one of the portable lifts what some refer to as a cherry picker. I've never had the need for an engine support.
Q:Is Fireplace Crane a modern term for the swing-out metal arms that hang over a fireplace for cooking? e.g. like in dutch ovens or pots/cauldrons that hang over a fire. It sounds like a more modern term and I need to know if there is an older term. Thanks.
Although those items are still sold, they are actually VERY old things used in homes when fireplaces were the source of heat for cooking. Sorry I am not aware of what they used to be called!
Q:What does tower crane 400tm mean?
Lifting torque of 400 tons. Meters, also known as 4000KN/m, refers to the QTZ400 tower crane, the general maximum lifting capacity of 25 tons, big arm 70 meters, the most front-end hanging 5.2 tons, independent height of about 70 meters. Normally we say QTZ40 tower crane is lifting torque of 40 tons. Meters, 400KN/m.
Q:The role of slewing limiter in tower cranes is limited
The crane or winch motor winding rope arranged on the roller loose, hoisting large demolition, resulting in the large load fast rope rope cut into bundles, causing fast rope severe jitter, vulnerable to instability, the results often appear to work and stop dangerous, can not stop the embarrassing situation.
Q:what are Gantry cranes?
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Q:the question is :Two cranes can unload a ship together in 15 hours. The faster crane takes 16 hours less than the slower crane, if each were to unload the same ship alone. How long doesi t take for each crane to unload this ship? I done most of the math but i am stuck with this last part .15+- radical 1185/2
No. of hours for the slower to unload alone—x: 1/x + 1/(x - 16) = 1/15 (x - 16 + x)/(x? - 16x) = 1/15 15(2x - 16) = x? - 16x 30x - 240 = x? - 16x x? - 46x = - 240 x? - 23x = - 240 + (- 23)? x? - 23x = - 240 + 529 (x - 23)? = 289 x - 23 = 17 x = 40 No. of hours for the faster to unload alone: = 40 - 16 = 24 Answer: slower crane, 40 hrs; faster crane, 24 hrs Check: = 15(1/40 + 1/24) = 15([3 + 5]/120) = 15(8/120) = 15(1/15) = 15/15 or 1
Q:crane operator?
Category: Cars Transportation Your 'question': crane operator? Possible answers that come to mind. Yes. No. They exist. And my personal favorite, WHAT is your question, and how does it connect to cars and transportation?
Q:Her fan mail address isnt on fanmail
Try: Kara Crane c/o Orange County High School of the Arts 1010 North Main Street Santa Ana, CA 92701
Q:Trying to find an estimated weight for a mobiles crane with a 5 tonne capacity ?
If the crane HAS a 5-ton capacity, then to be able to estimate the weight you would need to know the length of its lifting arm at maximum extension w.r.t the C.G. of the body of the crane. So suppose we have an arm length of (say) 6 mtrs, then the max turning moment at the fulcrum (from front wheels of crane ? ) due to the Load alone = 5 x 6 = 30 You need to add the moment for the arm itself. Lets say the arm is around 1/2 ton. And its c.g. is approx 1/3 the distance from the fulcrum. Then this adds another = 1/2 * 1/3 *6 = 1 So total moment is 30 + 1 = 31 The body of the crane must be MORE than this. Suppose the C.G. of the crane is 2 meters behind the same fulcrum. Then weight of the body must be 31/ 2 = 15.5 tons. Lets say the weight is 16 tons. Then the TOTAL mobile cranes weight would be 16 (body) + 1/2 (arm) ~ 16.5 tons It all depends on the dimensions of the crane, and where the c.g. is located. If the crane has ballast added right at the back, then it's overall weight can be made less since it's c.g. would get shifted further away from the fulcrum

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