china tower crane manufacturer Meida Yantai Luffing type tower crane design 

  QTD160 5020,5030,6022,5520 ,QTD200,QTD250,QTD 300 serious tower crane ,CE&ISO  cheap luffing -jib  crane  ,luffing jib tower crane  , tower crane manufacture ,factory , china jib crane  

 

   Tower Crane With ISO and CE Certificate And Good Price is a topkit tower crane, stable and with good price, we have sell this tower crane to more than 15 countries, and received high praise from the customers.

 

Luffing Tower Crane advantage : 

** Competitive quality and price.
** New design , more flexible

** Parking position with very reduced radio

** Latest generation electronic control system 

** Folding cross base compatible to all COMANSA tower sections 

** Modular mast sections 

** Frequency controlled motors for luffing and hoistin

** convenient operation and transport , no trolley  

** The range provides fixed and mobile counterweight cranes for higher performance

** Durable , long service life , easy maintain  

 

 

LUFFING JIB TOWER CRANE TECHANICAL CHARACTERISTIC LIST  

Main Feature				Main Parameter
Mechanism work range		Hoisting mechanism		M5
		Slewing mechanism		M4
		Trolleying mechanism		M5
Working radius m)		Min. 5		Max. 60
Max. Hoisting height	rate	Jib elevation   a=15.31°		Jib elevation  a=84.64°
	A=2	172.2		211.5
	A=4	91.1		110.75
Max. Load(t)		12
Max. Radius load(t)		60m		50m
		2.4t		4.7t
Hoisting mechanism		Model		QSJ-30
		rate		A=2		A=4
		Hoist load(t)/speed (m/min)		2.5/80	5/40	5/40	10/20
		power(kw)		37/37
Trolleying mechanism		Trolleying time(min)		4.3(working radius from 18m to 50m)
		power(kw)		35
Slewing mechanism		model	speed(r/min)	0-0.8
		XX120	power(kw)	4×3
Total power(kw)				84 (not including Jacking-up mechanism)
Working temperature(°C)				-20~+40

 

   Shandong Meida Tower Crane With ISO and CE Certificate And Good Price . We have topkit tower crane ,topless tower crane,Luffing Jib Tower Crane , stable and with good price.       

 

 

The Luffing-jib cranes are specially demanded for tall buildings on congested sites. They have a very short counterjib and a variable working radius,which permit high productivity in extremely narrow spaces or the restricted job site 

 

LUFFING JIB TOWER CRANE DESCRIPTION  : 

 

Foundation /Undercarriage Form:

 

Type A. Cross-shaped beam with slanting strut and ballast

 

 Type B. Cross-shaped beam with slanting strut but no ballast

 

(cross shaped beam have 24 pcs high strength anchor bolts .   each anchor bolts longth 1.2 m )

Type C.#-shaped or squre shaped beam without ballast  

 

(squre shaped beam have 16 pcs high strength anchor bolts.   each anchor bolts longth 1.2 m )

 

 

 >>>The hoisting mechanism:

employs three-speed motor and single-speed ratio reducer, which can perform heavy load at low speed and light load at high speed.

 

 >>>The slewing mechanism:

is equipped with a winding motor as well as planetary gear reducer and hydraulic coupling, which ensures high carrying capacity, steady start and reliable operation of the machine in addition to wind resistance when being placed in position.  

 >>>The Jib Lubbing Mechanism :

 

 

 

Mast Section is set into a foundation with steel pedestals. 

the main supporting tower of the crane. It is made of steel trussed sections that are connected together during installation. 

 

Mast Section according tube shape :   Square shape,Round Shape , Angle Steel                                                       

Mast Section according connection shape : 

drivepipe  ---via bolts to connect  two mast sections  .

 (Use High strength to connect can add the crane stable , Need to tighten  the bolts  regular ) 

 jointbar   ------ via  pin roll to connect two mast sections  

 (can make the buliding more stability and no need frequency maintain) 

 

Mast Section according packing style :  Assembled &Schistose/slipt

 

Single Slewing  & Double Slewing 

 

the slewing unit sits at the top of the mast. This is the engine that enables the crane to rotate.

 

slewing structure : Motor , Reducer , Liquid Coupling , Slewing bearing , Slewing speed 

 

 

 

TOWER CRANE SPARE PARTS :

Regarding the tower crane ,Any interests of spare parts ,welcome to let us know .  we can supply you and meet your demand .  

Most structure of tower crane are made of angle steel, such as mast string,mast member; the material is Q345B(16Mn)

The pins are produced by special processed combining carburizing, sulfurizing and nitridation 

 

LUFFING JIB AND BALANCE ARM :

 

The Counter Jib is erected as one piece. It is connected by large gates or pins at the turntable

 

To make the crane operational, the ropes must be installed on the crane. The hook is moved along the Working Jib up and down and to change the radius.

 

We can print customs color , so if you have any special requirements , welcome to let us know . 

 

Tower crane details:

 

DETAILS ATTENTION  : 

  Raw material is the foundation of product and the first hurdle to guarantee quality . Details decided the quality . 

  

SHOPWORK

  Our service
----Providing timely delivery, standby engineers are ready to slove any of your problem in time. 
----we provide one years warranty for the steel structure. 
----Providing all-embraced warranty of products quality, worksite installation guidance
----Providing ample spare parts and training of operation and maintenance
----Engineers have more than 5 years' experience. 

  

LUFFING JIB TOWER CRANE PACKING

 

 

Cerficate :

 

OUR COMAPNY : 

Shandong Meida Heavy Machinery Co.,Ltd is located in Yimeng tourism resort, Yishui Economic Development Zone, Shandong province, China.  

our company main items including there following series of construction machinery equipments: 

QTZ35/QTZ40/QTZ63/QTZ80/QTZ125/QTZ160/QTZ180/QTZ250/QTZ315/QTZ500 variable-frequency series 4ton 5ton 6ton 8ton 10ton 12ton 16ton 18ton 20ton 25ton tower crane,

QTD125/QTD160/QTD200/QTD250 luffing jib tower crane, 

PT5010/PT5510/PT5513/PT6015/PT651/PT8025/PT8030 flat top tower crane,

SC100,SC200 one cage,SC100/100,SC200/200 double cage series building construction materials lift hoist,

JS series of concrete mixers, PLD series of concrete batching machine, 

HZS series of concrete mixing station, WBZ series of stabilized soil mixing station, LSY series of screw conveyor. 

 

Inquiry   

 In order to save your time and supply you a special offer , so if you interest any kind tower crane ,please tell us the following basic parameters:

1. Building height or tower crane working height.

2. Working range or jib length

3. Max load capacity and tip load capacity.

4. Other Special requirements

 Expecting to get your inquiry and open our relationship ~_~ 

Contact  information   : )     

Shandong Meida Heavy Machinery Co Ltd  

Add:Zhifu district, Yantai, Shandong, China 

Your inquiry assistant : Donna Dong  

Tel : 0086 18669803868