YONGMAO STT153 tower crane

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Product Description:

Tower Crane Model Type:Topless

Max. Lifting Capacity:8T

Tip load:1.5T

Arm Length:65M

Independent Height:39.3M

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.

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Q:how to become a mobile or tower crane operator?
You have to be able to do simple trig to figure what your crane is capable of. You will have to become a member of the crane workers union. Someone may have to die to make a space for you. You may have to take jobs that are just fork lift qualified, if you are lucky, you might find work at seaports unloading cargo ships.You may have to work your way up through the ranks as a wrecking ball operator. The very lucky will make 50-60K +. The really good ones will make more only after many years.
Q:Why are there extra placards attached to the tower crane tower?
Because the span of the base is short, the tower is efficient, and the billboard is easy to cause the tower to overturn or bend.
Q:Who was the guy called the Headless Horseman in the story of Ichabod Crane?
A Lib
Q:How should I get rid of Crane flies that are around my house?
Crane Fly Control
Q:Tower crane, this model inside each letter number represents what meaning, ask the great God to inform.TCT7527-20, TC6015A-10E
The basic parameters of the tower crane: a working range: refers to the center of rotation of the lifting hook up center and tower crane horizontal distance.
Q:How to calculate life span of steel structure? for example, crane?
To calculate it, you would need to know all of it's dimensions, the average loads that will be applied to it daily, the natural conditions which the structure is exposed to, the carbon content of the steel as well as the manner in which the raw steel was produced AND the manner in which the crane was assembled. Even with this data it would still be an extremely generalized calculation.
Q:How many tons of tower crane QTZ80A lifting?
Lifting torque = mass * radius of gyration (amplitude). That is to say, the bigger the weight is small.
Q:What is the admissible weight of a crane?
Depends on how it is transported - you have to give more information on the kind of crane and where it will be used.
Q:Flocks of cranes shout'. Is it right to use the word'shout' here?
No, it's not. First, the collective noun for cranes—its term of venery—is either herd or sedge, not flock. Second, the sound a crane makes is a whoop, or when not a whoop but a rattling sound, it is a bulge, not a shout.
Q:how does the power electronic drives employed in cranes?
The primary function of an electronic drive is to provide for operation at various speeds. Slow speed operation is used when moving a load into position. Faster speeds are used for moving loads over longer distances. When the operating speed is steplessly adjustable, ramped acceleration and deceleration control is easily provided as well. Controlled acceleration provides smoother operation because acceleration at a constant rate means accelerating with a constant force or torque. Electronic drives control torque and current during starting. They perform a function similar to a reduced voltage motor starter, but they do it steplessly, more efficiently, with more complete control of applied torque. They provide more torque per ampere of current than any other starting method. This is very beneficial for the frequent starting and stopping often required for cranes. Electromechanical motor controls for cranes require additional contactors, relays and other components to perform functions such as reversing, motor overload protection and braking. These functions are incorporated into the electronic controls with electronic drives. Electronic braking can return energy to the power supply and bring the load to nearly a complete stop before a friction brake is applied. For holding the load in position, an electromechanical brake is still required. Electronic drives can be used on bridge, trolley and hoist applications.

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