YONGMAO STT139 tower crane

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Product Description:

INFO:Topless

LIFTIMG:6T

Tip load:1.35T

ARM LENGTH:60M

HEIGHT:45.4M


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.

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Q:What is the difference between a tower crane and a jack up tower crane?
The fixed tower crane means lifting the foundation of the tower body on the foundation or structure through the connecting piece.
Q:What are the safety devices for the horizontal arm self lifting tower cranes?
(3) the amplitude limiting device shall be equipped with a minimum amplitude limiter and a device for preventing the boom of the boom from rebounding after the luffing of the jib. The trolley must be equipped with a trolley switch and a terminal buffer. (4) rail clamping device and walking limit device; track type tower crane must be equipped with rail clamping device. A walking limit device shall be installed at the same time. (5) a crane with wind point at the root of the boom with a height of more than 50m shall be equipped with an anemometer at the top.
Q:About tower crane torque limiter with 4 limit switches, each play a role, thank you
Lifting weight limiter: limit maximum lifting weight;Torque limiter: limit the maximum lifting torque;Height limiter: limits the maximum and minimum position of the hook lifting and lowering;Amplitude limiter: limit the lifting trolley in the boom on the outside, the inside position;Slewing limiter: limit of up to the number of rotating ring arm;
Q:Is the tower crane a special type of work?
The crane driver, scaffolder, welders and other special types are
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:What is the standard weight of a tower crane for 1.6*1.6*3 and 1.6*1.6*5m? Kg?
The standard weight of tower cranes for 1.6*1.6*3 and 1.6*1.6*5m is 500KG
Q:Tower crane 5610 why call QTZ63 tower crane, 5613 call QTZ806015, call QTZ100
The name of QTZ is the former mechanical standard, Q refers to the crane, T refers to the tower, Z is to indicate the self lifting, and the latter figure represents the nominal torque, the unit is T.M (the standard unit is KN.m)The type of "QTZ63" indicates the hoisting tower crane with nominal lifting torque up to 630KN.m;The type of "QTZ80" indicates the hoisting tower crane with nominal lifting torque up to 800KN.m;
Q:Tower crane and tower crane 5
Tower crane, tower crane, also known as tower craneTower crane = tower crane = tower craneThere are many ways of vertical transportation. Construction elevator hoist etc..Tower crane features: large operating space, mainly used in housing construction materials vertical and horizontal transmission and installation of building components.It consists of three parts: metal structure, working mechanism and electrical system. The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking. The electrical system consists of motors, controllers, power distribution cabinets, connecting lines, signals and lighting devices, etc..
Q:Are tower cranes the same as tower cranes?
Tomato, you tomato, potatoes, you potatoTalent exchange of tower crane and tower crane
Q:How to change the mechanical property unit of crane (tower crane)?
Measures for the record and registration of construction hoisting machineryArticle 1 These measures are formulated in accordance with the provisions on the supervision and administration of the safety of construction cranes' machinery (Order No. 166th of the Ministry of construction) in order to strengthen the management of the record and registration of construction cranes.The construction and registration of the hoisting machinery as mentioned in the present Measures shall include the registration of the lifting machinery, the installation (disassembly), the notification and the use of the registration of the second.Third construction departments of the people's governments at or above the county level may use the computer information management system to handle the registration and registration of construction hoisting machinery, and establish a database.The construction administrative department of the local people's government at or above the county level shall provide the registration and registration and inquiry service of the building hoisting machinery within its administrative area.Article fourth rental, installation and use of units shall be submitted in accordance with the provisions of the lifting of construction machinery registration information, and the authenticity of the information provided by the responsible.The construction administrative department of the local people's government at or above the county level shall establish a system for the examination and registration of the hoisting machinery.Fifth construction machinery rental units or purchase building lifting units (hereinafter referred to as the "property units") in the construction machinery rental for the first time or before the installation, should be registered at the competent construction Department of the local people's governments at or above the county level to the unit of business (hereinafter referred to as the "equipment registration authority") for the record.

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