FUXIANG Tower Cranes PT7528A (Flat-Top)

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For the construction of the hydropower mega project across the Mekong river in northern Laos, the Xayaburi dam (1285 MW, 820 m long ).Among 19 Potain cranes, 2 MD 1600 fitted with Topbelt concrete placing system have been erected.Their primary task is to place the Roller Compacted Concrete at a rate of 250 m3per hour through the conveyor line coming directly from batching plant.These giant 64 t capacity cranes work 24/7 on the project which has been planned for an 8 years duration.
Cranes specifications
•  Capacity 64 t at 24,6 m
•  Maximum radius 80 m crane (tip load 17,4 t)
•  Maximum radius for Topbelt conveyors 105 m
•  RC Concrete placing rate 250 m3per hour
•  Hook height 91,6 m
•  Fixing angles

1. Multiple special mounting brackets are available, which saves the installation time and ensures safe and quality installation.
2 The lifting boom adopts cantilever boom structure and variable cross-section materials, featuring more reasonable structural stress and long service life; and it is easier to make different combination of boom length. 
3. It adopts standard sections (for models of over 12t) of piece assembly structure, split structure stock, and assembled platform, which meet the transport requirements for standard container.
4 The extra-long boom is designed with a rope-supporting trolley, and the speed of which is 1/2 of that of the luffing trolley, which can achieve the most optimum rope-supporting effect. The structure has applied for national patent.
5. The lifting mechanism adopts speed regulation by frequency control or by eddy current brake series resistance, featuring good lifting performance; The slewing system adopts frequency control by torque electric motor or by coil winding type electric motor with hydraulic coupler, featuring smooth operation and small slewing impact.

The Boyabat dam project was made with conventional vibrated concrete (CVC), built by blocks using conveyor
system and tower cranes. It is located in North Central Turkey near the Black Sea. The main purpose of the
tower cranes is to handle 20 t loads such as reinforcement, rebars, conveyor trusses, penstocks and 9 or 6 m³ of
concrete buckets anywhere on the dam project.
The main tower cranes MD 2200 are equipped with a crane operator lift inside the tower.
Cranes specifications
•  Crane 1: MD 2200, hook height 104,5 m, radius 85 m/ tip load 20 t, maximum load 64 t
•  Crane 2: MD 2200, hook height 225,7 m, radius 85 m/ tip load 20 t, maximum load 64 t
•  Crane 3: MD 1100, hook height 137,1 m, radius 60 m/ tip load 18 t, maximum load 40 t
•  Crane 4: MD 1100, hook height 120 m, radius 65 m/ tip load 15,9 t, maximum load 40 t
Dam specifications
•  Concrete total volume: 3 000 000 m³
•  Height 195 m
•  Crest length 263 m
•  Width 213 m

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Q:What kind of personnel should be installed for the tower crane installation and disassembly?
According to GB specifications:2.0.3 the installation and disassembly of tower cranes shall be provided with the following personnel:1. The project and the safety supervisor and the mechanical management personnel who have the safety inspection certificate;
Q:What is the insulation resistance of tower crane?
The lightning resistance of tower crane (tower crane) on the construction site shall be no more than 4 ohms.I. tower crane GB/T 5031--20085.5.5.9 lightning protectionIn order to avoid lightning stroke, the main structure of the tower crane, the motor frame and all the electrical equipment metal shell, wire metal protection tube should be reliable grounding, and its grounding resistance should be no more than 4 ohms. When multiple repetitive earthing is adopted, the grounding resistance shall be no more than 10 ohms.
Q:Notice of tower crane
Please refer to the technical regulations for the safety of installation, disassembly and use of tower cranes in construction;The following is copy:3 installation of tower cranes3.1 conditions for installation of tower cranes3.1.1 tower crane installation unit must have the construction administrative departments issued the contracted professional qualification and heavy equipment installation engineering construction enterprises safety production license. Tower crane installation units must be engaged in the installation of tower cranes within the scope of qualification permit.In addition to the professional and technical personnel who have the qualification standard, the installation units of 3.1.2 tower cranes shall also have professional personnel who are in line with the project. The person in charge of the project, the project manager and the full-time safety management personnel shall have the certificate of safety production inspection. Tower cranes, installers, electricians, drivers, signal engineers, cable operators should have special construction operation qualification certificates.3.1.3 construction units shall sign professional contract for installation engineering with the installation units, and make clear the responsibility of both sides for safety in production. In case of general contracting of construction, it shall be signed by the general contractor and the installation unit.
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:What are the construction cranes? 50
The most common are tower cranes, elevators, and freight lifts. The big construction enterprise also has the track type tower crane
Q:Climbing process of an internal climbing tower crane
The tower is sleeved on the ladder climbing, lifting hydraulic cylinder is articulated in the body of the beam, and the lower end (piston rod end) the middle beam is hinged on the activities. The two sides of the tower are provided with legs, and the two sides of the movable beam are also provided with legs, and the two supporting legs are alternately supported on the ladder steps so as to cause the tower to rise.
Q:The rated lifting capacity of a tower crane refers to what is allowed and what is allowed to be divided by the crane
The total quality of the crane rated liftingweightincludes the lifting load and the hook and rope a simplified example, such as the rated lifting weight of 100 tons, the quality of the hook and spreader for 5 tons, the actual quality of the goods can lift 95 tons.
Q:How to build a tower crane?
Nowadays, most tower cranes used in construction sites have self lifting function, but they can not leave the coordination of cranes when they are installed.Here's the tower crane installation:1, track laying: few walking tower crane, if the working position is not changed in a stage, rail crane fixtures will be locked.Some tower cranes have no running wheels, and the tower cranes are installed directly on the required basis.2. Install the tower crane chassis parts: installation requirements, installation, and placed in the location of the weight block.3. Install the basic tower, revolving parts and tower cap.Each tower crane has the basic height of the tower installation, the installation height of the rotating device and tower cap, these work is the use of sufficient lifting capacity of the car crane to complete.
Q:How many meters is the tower crane installed on the edge of the deep foundation pit?
Tower crane foundation, if set up in the foundation pit, the foundation is to pile other, general tower crane is to support the wall.Therefore, how far away from the foundation pit is determined by the distance from the retaining wall.According to the industry standard "technical specification for concrete foundation of tower crane tower crane foundation installation" (JGJ/T187-2009), the installation of tower crane foundation concrete should reach more than 80% of design strength, the tower crane foundation concrete design strength should reach 100%.
Q:Ask about the lift and transportation of the jack up tower crane
According to the requirements of the 2.0.3 specification: tower crane tower crane installation and disassembly operation should be equipped with the following: 1, hold a qualified safety assessment certificate of the project and responsible for the safety of people and machinery management personnel; 2, with construction qualification certificates for special operations of the construction hoisting machinery installation and disassembly, lifting work, special operation signal heavy drivers, riggers and other operations personnel. And an electrician.

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