TOWER CRANE QTZ80 working is steady and reliable

TOWER CRANE QTZ80 working is steady and reliable System 1

TOWER CRANE QTZ80 working is steady and reliable System 2

TOWER CRANE QTZ80 working is steady and reliable

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Loading Port:: Qingdao

Payment Terms:: TT or LC

Min Order Qty:: 1 unit

Supply Capability:: 600 unit/month

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TOWER CRANE QTZ80 working is steady and reliable

1. Its performance parameter and technical index are in leading position domestically, reach international leading level of end of 80s and beginning of 90s with max. working radius of 55m, which is 5m longer than domestic longest one (See Chart 1-3 for other performances), it is equipped with Q5017 arm and Q5512 Arm.
2. It is of international fashionable pattern, which is very beautiful, and has received popularity from domestic and international clients.
3. It has many working modes and wide applying range. It has working modes like being fixed with groundwork and being attached to wall, etc., which can be applied to different working objects. Hoisting height of separate type is 46m, attaching type is made by adding standard sections and attaching device under foundation of separate type, its hoisting height can reach 150m, and max. hoisting weight of special type can reach 200m.
4. Its working speed is high, timing performance is good, and working is steady and reliable.
5. Electric control system adopts electric elements produced through introducing advanced technology by professional producer, its lifespan is 3-4 times longer than home made elements with less malfunctions, simple maintaining and reliable working.
6. It is equipped with 8 kinds of safety devices, which are mechanical or integrative products. It can be applied to bad working environment to assure reliability of tower crane.
7. Design absorbs domestic and international reliable technology at the same time of according to situation of China and assuring reliability principle to improve technical level of entire crane.
Reliable advanced technologies are:
(1) Electric elements produced through introducing TE Company of France by professional producers.
(2) Weight restrictors, moment restrictors, height restrictors, radius restrictors, swing restrictors and brakes of swing and radius mechanism produced by introducing advanced technology.
(3) Trolley breaking prevention device (slip prevention), shaft breaking prevention device and steel wire device.
(4) Wire Arranging System of Hoisting Mechanism
(5) Tightening System of Traction Wire
(6) Rigid double pulling pole hoisting arm. Rigidity of hoisting arm is good, self weight is light, section is small, wind resistance is small, figure is beautiful, which make it satisfy different constructions.
(7) Diving room is set separately with good visual field and large inside space, and it can be equipped with air conditioner to create better working environment.
(8) It adopts swing restrictor, eliminates central electricity collector to eliminate damp and creepage and make convenience for entrance and exit of driver.
(9) Driver use advanced coupling to operate movement of each mechanism, which is convenience for operation and simple for maintaining.
8. Design completely accords with or be better than state standard.
Because crane has above characters, it is fit for high civil constructions, bridge and water conservancy projects, large workshops and large chimney, etc.
II．QTZ80C Tower Crane (Separate Type) Figure and Size

III．QTZ80C Tower Crane (Attaching Type) Figure and Size
IV．Form of Hoisting Load Identity
(1) Load Identity of Q5017 Arm

Radius（9m）		2.5-14.4		15	16	18	20	22	24	26
Hoisting Weight（t）	A=2	4		4	4	4	4	4	4	4
Hoisting Weight（t）	A=4	8		7.64	7.09	6.18	5.46	4.87	4.39	4

Radius（9m）		28	30	32	34	35	36	38	40	42
Hoisting Weight（t）	A=2	3.64	3.34	3.08	2.85	2.75	2.65	2.47	2.31	2.16
Hoisting Weight（t）	A=4	3.64	3.34	3.08	2.85	2.75	2.65	2.47	2.31	2.16

Radius（9m）		44	46	48	50
Hoisting Weight（t）	A=2	2.03	1.91	1.80	1.70
Hoisting Weight（t）	A=4	2.03	1.91	1.80	1.70

(2) Load Identity of Q5512 Arm

Radius（9m）		2.5-112.68		14	16	18	20	21	22.5	26
Hoisting Weight（t）	A=2	4		4	4	4	4	4	4	3.74
Hoisting Weight（t）	A=4	8		7.13	6.09	5.3	4.67	4.4	4	3.74

Radius（9m）		26	28	30	32	34	35	36	38	40
Hoisting Weight（t）	A=2	3.39	3.09	2.83	2.60	2.40	2.31	2.23	2.07	1.93
Hoisting Weight（t）	A=4	3.39	3.09	2.83	2.60	2.40	2.31	2.23	2.07	1.93

Radius（9m）		42	44	46	48	50	52	55
Hoisting Weight（t）	A=2	1.80	1.68	1.58	1.48	1.39	1.31	1.20
Hoisting Weight（t）	A=4	1.80	1.68	1.58	1.48	1.39	1.31	1.20

VI．Technical Performance

Rating Hoisting Moment			KN.m	800
Max. Hoisting Weight			t	8
Working Radius			m	2.5 - 50	2.5 - 55
Hoisting Height（s/a）				4 6 / 1 5 0
Hoisting Speed			m/min	2 0 / 4 0 / 8 0
Swing Speed			r/min	0.66
Radius Speed			m	6 0 / 3 0 / 1 0
Hoisting Speed				0.4
Min. Declining Speed				﹤5
Size	Under Frame		m	2.6 * 2.6
	Height	S		46	46
		A		150	150

	From Head of Arm to Center of Swing			51.36	56.36
	From End of Arm to Center of Swing			13.29	13.29
Weight	Weight of Structure	S	t	41.2	41.6
		A		82.6	83
				35	35.4
	Balance Weight			12.6	13.8
Other	Total Power		KW	42.4(without hoisting mechanism)
	Max. Wind Power		N/m2	250
	Non-work Wind Power			800
	Working Temperature		℃	-20～+40

VII．Form of Main Fitting Technical Parameter

Mechanism Load Ratio		Hoisting Mechanism			M5
		Swing Mechanism			M4
		Traction Mechanism			M4
Max. Hoisting Height (m)		150
Hoisting Mechanism	Motor	Model			YZRDW250M1-8/4
		Power (KW)			30/30
		Speed (r/min)			715		1355
	Decelerator Box	Total C Distance (mm)			600
		Total Drive Ratio i			16
	Rolling Cylinder	Wire Volume (m)			360
		Winding Layer (Layer)			4
		Diameter (mm) Ø500
	Brake	Model			YWZ3-315/90-16
	Steel Wire	Specification			6×29Fi+IWR-14-1700
		Max. Strength (N)			27190
	Ratio	A=2			A=4
	Hoisting Weight	2	4	4	4	8		8
	Hoisting Speed (m/min)	80	40	7	40	20		3.5
Swing Mechanism	Motor	Model			YZR132M2-6-3.7
		Power KW			3.7×2
		Speed r/min			908
	Decelerator	Model			XX4-100-180C-001
		Drive Ratio			180
	Output Gear Parameter	Modulus m			12
		Tooth z			16
		Changing Modulus x			+0.5
Swing Bearing	Single Quarter Contact Ball Swing Bearing	Model			011.45.1400 (JB2300-84)
		C Diameter mm			Ø1400
		Modulus m			12
		Tooth z			131
Hoisting Mechanism	Motor	Model			Y132M-4 B5
		Power KW			5.5
		Speed r/min			1440
	Hydraulic Pump Station	Model			QT802-10
		Pressure H (Mpa)			25
		Pressure B (Mpa)			6.5
	Hoisting Oil Tank	Model			QT80G
		Max. Hoisting Strength t			50
		Hoisting Speed m/min			0.4

Radius Mechanism	Motor	Model	Power KW	Speed r/min	Start Current A
		YZTDE180 M-4/8/24	5.0/3.7/1.1	1370/700/210	44/28/65
	Wire Speed	Slow Speed m/min		10
		Low Speed m/min		30
		High Speed m/min		60
	Electromagnetic Brake	Joint Voltage		200V.D.C.LS
		Working Voltage		24V.D.C
	Steel Wire	Model		6×19-7.7-1700-1-L-R
		Max. Traction Strength (N)		9000

VIII．Form of Brief Introduction of Main Metal Structure

Item Name		Figure	Main Parts		Remark
Item Name		Figure	Specification	Material	Remark
Crane Body	Groundwork Section		Square Tube 135×135×12	Q235	Size: 1700×1700×2530
	Reinforced Section		Square Tube 135×135×12	Q235	Size: 1700×1700×2500 =5 Sections
	Standard Section		Square Tube 135×135×10	Q235	Size: 1700×1700×2500
Hoisting Arm			Upper Chord: 2<80×80×8 2<75×75×6 Lower Chord: 2<100×100×8 2<80×80×8 2<75×75×6	Q235	Q5512 Hoisting Arm =9 Sections Q5017 Hoisting Arm =8 Sections They are connected with pin shafts.
Swing Body			Square Tube 135×135×10	Q235	Frame Structure
Cover Frame			Main Chord: 2<100×100×10	Q235	Size : 2300×2300×6060 for hoisting
Lower Abutment					Box Structure
Upper Abutment					Board Structure
Tower Top			Main Chord: 2<100×100×10	Q235	Quarter Cone Structure
Balance Arm			Main Chord: 30a with seal board	Q235	Welded with V-iron and Angle Iron =2 Sections
Under Frame			I-Steel: I25b	Q235	Composed of Entire Frame and Press Board
Driving Room					Board Structure

Q: Where you stand on one leg with your hands up and out to sides.Isn't standing on one leg in a fight leaving you exposed and vulnerable? What techniques can you actually do from that stance anyway (other than jumping up and kicking with the leg that was on the ground like the karate kid).: Kung Fu Crane Stance

Q: I caught this crane fly in my garage but is almost the size of a dragonfly. It has a 3 inch wingspan. I saved it in a jar because I though no one would believe me. so do they really get this big or is this thing a freak?: the answer is yes.

Q: Is there a crane lifting chart where I can enter info. to determine what size crane I need, if so where?: Sorry, it's not quite that simple.

Q: My fiance and I would like to make 1,000 paper cranes for our wedding next year in May. We are looking for a good type of paper to use for this. We are not too particular on the color of the cranes, though we like blue or gold. Does anyone have any feedback on the sort of paper I can get for this project? I know there is origami paper I can buy, but I was wondering if that is the only option I have to choose from. Thanks in advance! :): I see origami paper quite often in bookstores, art supply stores, and at the local Japanese grocery stores (I'm in the Portland area).... it's also commonly available online, sometimes in packs of solid colors. Try folding some cranes in different sizes... very small ones can be difficult to fold (I can't manage less than 2 square)

Q: In order to ensure the stability of tower cranes, generally along the height of the tower and building a number of meters attached: Self lifting tower crane tower 45 meters high to prevail, such as height of over 45 meters, each increased to 10 meters (less than 5 meters, excluding) demolition costs increase 20%, off-site transportation costs increased by 10%.

Q: What are the main parameters of a tower crane?: The main parameters of tower crane are:1, rated lifting torque. Lifting torque is the most comprehensive reflection of tower crane performance because the lifting torque itself is the product of the two parameters of magnitude and weight. The lifting moment is the product of the lifting and the amplitude.2, lifting range. The lifting range is also referred to as the radius of gyration or the radius of work. It refers to the horizontal distance from the center of the tower crane to the center line of the hook. The range contains two parameters of maximum amplitude and minimum amplitude.3. Rated lifting capacity. Rated lifting capacity refers to the weight of a crane under different working conditions. In general, the lifting capacity and the maximum lifting weight are marked in the main performance parameters, and the rated weights of other states are determined by their characteristic curves.4, maximum lifting height. For boom type tower cranes, the maximum lifting height according to the boom of the elevation and the tower height is different.

Q: Could anyone tell me how they erect a construction crane.Some how they just are suddenly THERE, as If by magic.It seems as though the Boom part of the crane must be kind of JACKED up into place.That is the only way I can see them getting those GIANT concrete blocks into the back end of the boom. It doesn't seem possible otherwise. The only other thing I can thing of is the bulk of the pieces are brought in by helicoper and attached.Everything kind of makes sence except the Giant concrete blocks used as a counter weight. ALSO, if the blocks are needed to act as counterweigth to the CRANE itself..why doesn't the Crane fall over when it picks stuff up???: How do they erect the construction cranes? Not very well according to the news of them toppling down of late. Seriously, the cranes are lifted upward one or two floors at a time as the building progresses upward - this is usually accomplished by pulling them up into place with heavy cables and powered winches.

Q: My dad has some old tools and he is wondering if the company is still around, or what happened to it. A yahoo search revealed little.: Found on - www.lathes .uk/boicecrane/ Boice-Crane - USA Boice-Crane (Wilton Division) made various types of power tools, including a selection of wood lathes intended for amateur and educational use, and in the 1940s and early 1950 their range included, amongst others, the two amateur and one professional or educational machines illustrated below. The more robust lathe of the amateur pair had a 50 inch long bed with 10 swing and able to take 34 between centres; the 4-step V pulley in the headstock could be driven from either from the rear, or underneath. The bed, which had a gap able to swing 14, was internally ribbed and machined on its top surface. The No. 1 Morse taper tailstock was fitted with self eject for the centre. The double-ended spindle was 1.25 inches in diameter and ran on ball bearings - whilst the single faceplate contained two different diameter, left and right-hand threads so that it could be screwed onto either end. The lathe weighed 115 lbs, so, despite an insubstantial appearance, must have been a reasonably robust machine. The other bench lathe had a bed built from two steel channel sections - with the most elementary type of headstock and tailstock. The capacity was 10 x 30, the weight 30 lbs and the headstock spindle carried a 4-step, overhung, V-belt pulley. The company are now: Gothenburg Manufacturing Co., P.O. Box 308, Gothenburg, NE 69138 Phone: (308)537-3628 and - Boice-Crane Parts, 2442 Densmore Drive, OH 43606 Phone: (419)531-1113

Q: I was wondering how those guys/gals get up to their posts. Is there some type of elevator or do they climb up everyday? I'm talking about those big cranes on contruction sites. the huge ones.: There are ladders leading up there. Crane operators are fit enough to do the climb at least twice a day. I climbed cranes on weekends as a hobby photographer to take panoramic shots from that nice position up there. It was quite a climb to get up more than 200ft (60m)

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

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