TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley

TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley System 1

TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley

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Loading Port:: Qingdao

Payment Terms:: TT or LC

Min Order Qty:: 1 unit

Supply Capability:: 6 unit/month

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The tower crane is a hydraulic tower crane with swing top, horizontal jib and mobile trolley. It has the hoisting moment for400Kn.m;the maximum hoisting load of 4t and the maximum working radius of 48m.The hoisting height of anchoring tower crane is 29.7m and that of climbing tower crane is 90m.

The tower crane has ingenious design, beautiful shape and simple structure .It is easy to operate and maintain, and is safe and at a reasonable price .It is an ideal construction machines for construction enterprises. It has hoisting mechanism, swing mechanism, top-rising mechanism and radius mechanism, which can work individually or cooperatively to make a high efficiency. The top-rising mechanism is used to raise or lower tower. The hoisting mechanism has 3-speed electronic motor respectively for high, medium and slow hoisting speeds. It has flexible swing mechanism and radius mechanism and slewing mechanism for vertical and /or horizontal transportation of building materials in one time.

The tower crane has complete and sensitive protection devices such as hoisting weight limiter, hoisting moment limiter, hoisting height limiter, radius limiter and swing limiter to ensure of regular operation. It also has rest platform, guardrail and other protection devices. Driver’s cab is at a side of rib and has big space and wide visual field.

The tower crane has excellent performance and is suitable for hoisting in short civil or industrial buildings or loading or unloading in ports or goods yards

The products of Huaxia Group are your best choices of construction machines.

Name			Unit	Parameter
				QTZ40A(TC4807)
Nominal hoisting moment			kN.m	400
Max. hoisting weight			t	4
Rated hoisting weight at jib nose			t	0.71
Working radius			` m	2.5-48
Height		Anchoring	m	29.7
		Climbing	m	90
Hoisting speed		Magnification		a=2			a=4
		Hoisting speed	m/min	8	34	52	4	17	26
		Hoisting weight	T	2	2	1	4	4	2
Swing speed			r/min	0--0.6
Radius changing speed			r/min	33/16.5
Top rising speed			r/min	0.7
Tower crane weight	Net weight (anchoring)		t	19.4(19.9)
	Ballast weight		t	6.3
	Total weight (anchoring)		t	25.7(26.2)
Working swing radius			m I	48
Rear swing radius			m	12.8
Max. working wind speed			m/s	20
Max. wind speed for top rising			m/s	13
Ambient temperature			℃	-20 -- 40

Figure 1-2 Technical Parameters of Main Parts

Name				Parameter
				QTZ40A(TC4807)
Hoisting mechanism	Electric motor	Model		YZS200L1-4/6/24
		Power	Kw	15/15/4
		Rev	r/min	1440/960/220
	Brake	Model		YWZ-300/45
		Brake moment	N.m	450
		Hydraulic propeller		YTl-45
	Reducer	Model		JZQ500
		Dia.	mm	500
		Reduction ratio		15.75
	Steel Cable			6×37-11-1670-I-smooth-rightward twist
Swing mechanism	Motor	Model		YZR132M2-6
		Power	kW	3.7
		Rev	R/min	908
	Hydraulic coupler			YOX-280A
	Reducer	Model		XX4-80
	Swing bearing			HSW.32.1220
Radius mechanism	Motor	Model		YD112M-8/4
		Power	kW	1.5/2.4
		Rev	R/min	700/1410
	Reducer	Model		WCJ-120
		Reduction ratio		38
	Steel cable			6×19-6.2-1570-I-smooth-rightward twist
Top rising mechanism	Motor	Model		Y100L2-4 B5
		Power	kW	3

TOWER CRANE QTZ4 hydraulic tower crane with swing top, horizontal jib and mobile trolley

Q:These cranes always stay higher than the construction process but I have never seen how they are extended to stay above all of it. They come in two formats, free standing and those attached to the building. The possibilities that I thought of was that maybe they use another crane to lift the housing and the horisontal arm to put in more modules into the vertical part; or that they extend it by some way by putting modules in at the top or bottom and that the crane has some self-lifting mechanism to accommodate the insertion of more modules. However, I have never seen this being done, nor does the construction of these cranes point to its ability to do so. The only other possibility that I could think of was that the crane is set up at the outset to be higher than the completed height of the building, hence there is no need to extend it but this does not explain how they do it for very high buildings where the crane is attached to the building and seems to grow higher with the building.: The cranes are self erecting. The cranes tower is raised in sections. The lowest section is jacked up to the correct height and then a new section inserted and so on.

Q:I want this as a tattoo but I want to know what it means. Why type of tree is it? What do the symbols translate into?: I believe you're beautiful I additionally consider self aware however I seem how I seem so simply be you and do not begin dressed in a lot of make up given that that's what I have performed and now i are not able to go away the apartment with out dressed in alot given that I believe I seem even uglier. Stay how you're

Q:Do they need another crane to get the concerete blocks to the top? And how do they move the blocks from one end of the crane to another. This has been bothering me for some time so anyone who knows the answer I would love to hear it!: Construction cranes are erected on site. They are usually assembled on the ground with small cranes, then lift themselves up. The erection sequence is carefully figured, so minimal other equipment is needed. For conventional cranes that are permanent and thus only assembled once, portable cranes are used to erect them. Still, generally pretty much on the ground. Some have counterbalances that are permanently fixed, others have a rail type mechanism that moves in and out.

Q:We need to purchase spare parts. If there are any supplier in the ASEAN region as possible. We are in urgent need . We are from Viet NamThank you.Email : tuanhuynh62@yahoo,com: You okorder with contact details. Search for the product you are looking for from the website's search box and you will get the list of suppliers.

Q:What is a tower crane without a collector?: The advantage of the collector is that the tower crane can be turned on one side without any limit, and how many circles can be turned. The tower crane is basically not equipped with collector, because collector generally needs to be located at the center of the tower's turning center, so it is inconvenient for operators to go up and down.

Q:plz help me: The Whooping Crane (Grus americana) is a very large crane. It is the tallest North American bird and the only crane species found solely in North America. Adults are white; they have a red crown and a long, dark, pointed bill. They have long dark legs which trail behind in flight and a long neck that is kept straight in flight. Black wing tips can be seen in flight. Immature birds are pale brown. Their breeding habitat is muskeg; the only known nesting location is Wood Buffalo National Park in Canada and the surrounding area. They nest on the ground, usually on a raised area in a marsh. The female lays 1 to 3 eggs. Both parents feed the young. Usually no more than one young bird survives in a season. Loads more on Wikipedia (link below) - good luck

Q:If garden gnomes and oragami cranes were to battle with one would win?: Staring Contest!!! (THAT NEVER ENDS!!!) Dun Dun DUNNNNN!!!!!

Q:I have a Manfrotto/Bogen 055XB tripod that says it supports up to about 15lbs. The crane I'm looking into getting is the Glidecam Camcrane 200 which says it has a payload of up to 30lbs. depending on the height. What would happen if I were to use this crane with my tripod?: Please let me know where you will be so I can capture the video of your camera crashing to the ground. Because you overloaded the tripod, there will be no warranty coverage for anything. Yes, they can tell. ++++++++++++ I realized I had not provided an alternative... the crane specs also specify Camcrane 200 mounts on the 3/8 standard bolt found on the majority of medium and heavy duty tripods an

Q:I need several quotes from Thousand Cranes by Kawabata (Don't remember first name, it starts with a Y) depicting passion.At least two.Best answer goes to whoever provides the most useful quotes, not a randomly compiled list.: Yasunari. okorder /

Q:I am doing uni coursework to design an ergonomic layout for an operator cab for a tower crane and so I need to list the required operator controls.Thanks!: There are only two control levers that are on a tower crane.There is one on either side of the seat called joy sticks the right side joy stick controls the hoist cable to go up and down pushed forward to go down and pulled back to hoist up.The left has four functions it controls the swing of the crane and also the boom of the crane to control the swing you push the lever to the left to swing left and push the lever right to swing right.You pull the lever back to boom up and puh it forward to boom down.

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