YONGMAO STL720 tower crane

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Loading Port:: Dalian

Payment Terms:: TT OR LC

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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: Jin Title required 20 large equipment testing reports. The personnel system is really rubbish, so we don't know what to do professionally.: General purpose gantry cranes: MG, 440t, MG, 360t, MG, 450t, Me, 360t, ME, 900tGeneral purpose bridge crane: QD, 350t, QD, 400t, QD, 450t, QD, 390t, QD, 330t, QE, 350t, QE, 330tThe above tonnage is now recognized by the state as a large lifting machine.

Q: I have a problem in discovering the breakdown in the tower crane control panel. If you can give me a procedure to follow the problem in the control panel.: Generally tower cranes have their electrical panels at the ground floor. Troubleshooting in the tower crane is not different to any other electrical system. First check the power circuit healthiness--switches,fuses,contactors and then go for control circuit. The cranes have few additional interlocks for excessive forward movement, extra long travel etc. Just go through the drawing and u will get the problem solved

Q: For example, self lifting tower crane mounted to 10 meters or 2 floor use. How do you install the third floor now? Is it necessary to remove the crane?. Then add the length of the steel frame on the base seat, and then install the crane above him If so, then 2 cranes are needed. But how is another crane installed?Ask you experts on the construction site of self lifting tower cranes how to install?. Do you use hydraulic jacks like car jacks?: It is required from the upper plus height, then the crane through the motor (hydraulic is not I don't know if not carefully studied to estimate almost) slowly up, because the installation of crane is a separate Union, only the crane is fixed on the top, and is connected to the lower die width ratio some long, above there are for the installation of people stay small table, but also it can open from the opening above the dead ground fill and then fix it by bolt, and then put the live up to OK

Q: the highest ranking American serviceman, at least in the so called prison camp: no, he was brutally murdered

Q: Where can I buy Crane Lake wine in Orange County?: I'm looking for them too

Q: What prior education and skills are needed to become a Crane operator ?: idk

Q: Construction tower crane driver (T) Ben can be used as construction crane driver (S)?: Building crane driver (T); tower crane driverConstruction crane drivers (S); construction elevator drivers; neither is common.

Q: did stephen crane win any awards?: Stephen Crane (November 1, 1871 – June 5, 1900) was an American novelist, short story writer, poet and journalist. Prolific throughout his short life, he wrote notable works in the Realist tradition as well as early examples of American Naturalism and Impressionism. He is recognized by modern critics as one of the most innovative writers of his generation.

Q: what is the difference between rigging, wire rope and rope?: Wire rope is twisted line made of stainless, or high tensile steel. Rigging refers to the slings, or chains that attach the load to the lift hook. Rigging also refers to the act of attaching a load to a load handling device, such as a crane.

Q: What are the safety devices in a tower crane?: (1) lift height limit position limiterFor cranes with variable boom angles, the lifting motion must be stopped immediately when the top of the lifting device rises to the 8OOmm at the lower end of the boom.For luffing cranes, lift the top of the hook to the lower end of the frame 500mm. The lifting movement must be stopped immediately.(2) lifting moment limiter and maximum lift limiter;When the lifting torque reaches 90% of its rated value, the lifting torque limiter shall be able to issue an acoustic or red light to indicate the alarm. When the lifting torque exceeds its rated value and reaches 108% of the rated value, the lifting direction and outward direction shall be stopped.If the weight and amplitude indicator are set, the numerical value should be correct, clear and eye-catching. The digital error shall not exceed 5% of the indicated value.When the lifting weight exceeds the maximum weight, maximum lifting weight limiter should emit light or sound alarm, when the load exceeds the maximum weight of 6%, should stop to enhance the direction of movement, but to allow institutions towards the down direction.(3) amplitude limiting deviceA crane shall be equipped with a minimum amplitude limiter and a device for preventing the boom from rebounding backward. The trolley must be equipped with a trolley switch and a terminal buffer.(4) rail clamping device and walking spacing deviceTrack type tower cranes must be equipped with rail clamps. A walking limit device shall be installed at the same time.(5) anemometer;For cranes with a hinge height of more than 50m at the root of the boom, a anemometer shall be installed at the top.(6) lightning protection and anti electromagnetic wave induction device;For the crane whose hinge height is over 50m, the lightning arrester shall be installed according to the actual situation and the electromagnetic interference shall be taken.(7) tower crane shall install limit torque coupling in order to prevent slewing overload.

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