Model:D800-42 Tower Crane with Multiple Operation Modes and Wide Application

Model:D800-42 Tower Crane with Multiple Operation Modes and Wide Application

Ref Price:: $20,000.00 - 150,000.00 / unit

Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 1 unit

Supply Capability:: 10 unit/month

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1. Performance parameters of D800-42: performance parameters and technical indexes reach both domestic and international advanced level.
• Max. jib length: 80m; Jib length under different assembling modes can decrease progressively by 10 meters and the Min. jib length is 30 meters.
• Max. lifting capacity 42t;
• Max. hoisting capacity at jib tip: 18.6t;
• Max. lifting moment 8000 t.m;
• Max. free-standing height: 75m; Max. working height of anchored crane: 257.4m;
• Hoisting mechanism: QPL4272; power: 132 kW; rope capacity: 1050m;
• Slewing mechanism: HVV145.B1.130C; HVV145.B2.130C, power: 4×145N.m
• Trolleying mechanism: BP185; power: 18.5 kW.

2. Electrical control system
With PLC control, the electrical control system enjoys better reliability and safety. Produced by professional manufacturers with advanced foreign technology, the electrical elements feature service lives that are 3 or 4 times longer than that of domestic products, less faults, easy maintenance and repair as well as reliable operation.

3. Technical features
• The crane boasts of multiple operation modes and wide application;
• The complete machine adopts internationally well-received beautiful shape;
• The crane features high working speed and excellent speed regulation performance. Stepless speed regulation by frequency control, the world's most advanced solution, is adopted for the trolleying mechanism and slewing mechanism, thus ensuring more stable and reliable operation ;
• The cab is independently installed externally with good vision and large inner space, thus offering a good working environment for operators;
• A variety of safety devices are equipped, which are all mechanical or mechatronic products that are applicable to severe working conditions, so as to ensure the tower crane's reliable operation.

4 Parameters

Rated hoisting moment (kN.m)		8000
Lifting height (m)		Rope fall		Free-standing stationary crane				Anchored crane
		α＝2		75				257.4
		α＝4		75				128.7
Working radius (m)		Max. working radius				80
		Min. working radius				5.4
Max. lifting capacity (t)		42
Hoisting mechanism	Rope fall	α＝2				α＝4
	Speed (m/min)	72	57.6		28.8	36	28.8		14.4
	Lifting weight (t)	4	10.5		21	8	21		42
	Power (kW)	132
Traction mechanism		Speed (m/min)				0～50
		Power (kW)				18.5
Slewing mechanism		Speed (r/min)				0～0.6
		Power (kW)				7.5×4

5 Images

Model:D800-42 Tower Crane with Multiple Operation Modes and Wide Application

6 FAQ : How to make the structure?

Thanks to the advanced design tools, such as electro-mechanical design, CAD design, optimization design, and modular design, the tower crane proves to be a kind of optimum construction equipment that shows not only superb strength, stiffness and fatigue resistance but also outstanding comprehensive performance and reliability.

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:It seems like every time I turn on the news there is another crane collapse. I don't know if it is the same problem every time, but it seems awfully suspicious. Does anyone know why crane collapses seem so common lately? Has it always been this way?: You okorder .. This chart is not definitive, it leaves out many occupations (such as mining), it only considers fatalities (not loss of limbs, etc.) but it conveys the general picture. For hard data look at: www.bls /iif/

Q:The crane was commissioned in the plant some 15 yrs back. The cranes is being used for lifting hot metal (iron) from furnace to Pig casting machine since commissioning. Regular maintenance is being done on the same.: Maybe. Your best bet is to consult the crane manufacturer to see what upgrades are needed. There are a variety of crane engineering firms that can also evaluate the crane and suggest any needed changes. I would get several quotes before deciding.

Q:Where are cranes mostly found in the world?: East Asia has the most species of cranes in the world, 8 (Chinese cranes) followed by Africa with 5.

Q:Can the attached arm of the tower crane be welded?: The calculation of the attachment of tower crane mainly includes three parts: attachment rod calculation, connection calculation of attached bearing and calculation of attached frame. (1) the attachment bar calculates the attachment bar and is calculated by the compression member of the pivot shaft hinged at both ends. 1) the internal forces of the attached rod and the internal force of the connecting rod are taken as required by the instruction; if the specification does not specify, or when the spacing between the two supports connected with the building is changed, the calculation shall be carried out.

Q:If you were to give someone a paper crane with an ayat or hadith (has to be short, as I have to write on its wings)... what would you write?I was thinking of writing this:Peace be upon you for what you patiently endured. And excellent is the final home. [13:24]I'm not sure though...lol. Any ideas? Salam.: Walaikum Salaam, So patiently persevere: for verily the promise of Allah is true: nor let those shake thy firmness, who have (themselves) no certainty of faith. al-Qur'an 30:60 'Never let your enmity for anyone lead you into the sin of deviating from justice. Always be just: that is closest to being God-fearing.’ (al-Ma’idah 5:8) ‘The flesh of sacrificial animals does not reach God and neither their blood; but only godliness from you reaches Him.’ (al-Hajj 22: 37) Hope I helped sis! :)

Q:how can we minimize energy losses of a crane to reduce the impact on the environment?: No hint as to what type or size of crane, so I assume it is a large overhead traveling bridge crane inside an industrial building: Consult the manufacturer for recommendations. Change its power source to something cleaner (from diesel to propane or electric). Properly lubricate and adjust all moving parts. Turn power off when idle. Schedule heavy usage during hours of low demand of electric utility power. Replace motor with a more efficient new one. Replace entire crane with a new efficient one. Replace the large capacity one with one or more smaller units.

Q:in design of steel structures as per asce2005 or ibc2006 ,what load combinations are to be considered when crane loads and seismic loads are present?: Asd Load Combinations

Q:how do u bring a construction crane down?: Unbolt it and use a smaller crane, or parts of the large crane to lower them to the street.

Q:ok, so if chad is a crane then why doesnt he stay in the mansion? he is a crane right?: Chad IS a Crane... he IS Alastair's son with Liz (Eve's adopted sister) so YES he IS a Crane but he is not the long lost son of julian and Eve ...Chad is Julian and Sheridan and Beth's Half Brother ( remember Beth was also proven to be Alastair's daughter) and I do not know why he doesn't live there ? It is weird everyone else lives there why not them too?

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