QTZ50(5008) tower crane

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 1 set

Supply Capability:: 12 set/month

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QTZ50(5008) tower crane is hoisting and conveying machinery which is designed by fully utilizing the group technology, the combinational design technology and the finite element analysis technology and taking the tower crane microcomputer design platform as a tool and has excellent performance.

The crane is a horizontal-arm-rest trolley-amplitude upper-revolution hydraulic lifting type crane which has the effective amplitude of 50m and the maximum lifting moment of 500kN•m. The tower crane has the lifting height of 30m and the adhesion lifting height of 120m (2 magnification) during independent use.
All the speed indexes of the crane meet or surpass national standards.
The crane has the total installed capacity of 25.5kW, features advanced parameters, excellent and reliable properties, attractive appearance, high quality, simple and practical structures, advanced safety devices, convenient maintenance, safe usage and reasonable prices, and is ideal construction machinery for many medium-small construction enterprises.

The lifting boom and balance boom adopt cantilever boom structure, which reduces the hoisting modular and makes it more safe, convenient and flexible to install and uninstall, and reduces the requirements for hoisting equipment and the site.
2. Multiple special mounting brackets are available, which saves the installation time and ensures safe and quality installation.
3. 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.

Technical Performance Parameter Table

Item		Unit	Magnification
			α=2	α=4
Rated lifting moment		kN.m	500
Maximum lifting capacity		t	2	4
Working amplitude		m	3 ～50
Maximum amplitude lifting capacity		t	0.8
Lifting height	Independent	m	30
	Attached	m	120
Time of moving outrigger end to rotation center		m	50.74
Time of moving balance arm tail to rotation center		m	12.816
Counter weight		t	8.54
Total motor power		kW	25.5
Allowable working temperature		0C	-20～+40

2.1 Hoisting and Lifting characteristic curve characteristics table

（1）4-magnification Lifting Performance Table

Amplitude(m)	3-12.5	13	14	15	16	17	18	19	20	21	22
Lifting capacity (t)	4	3.832	3.534	3.276	3.050	2.850	2.673	2.514	2.371	2.242	2.124
Amplitude(m)	23	24	25	26	27	28	29	30	31	32	33
Lifting capacity (t)	2.017	1.918	1.828	1.744	1.667	1.595	1.528	1.466	1.407	1.353	1.301
Amplitude(m)	34	35	36	37	38	39	40	41	42	43	44
Lifting capacity (t)	1.253	1.207	1.164	1.124	1.085	1.048	1.013	0.98	0.949	0.918	0.89
Amplitude(m)	45	46	47	48	49	50
Lifting capacity (t)	0.862	0.836	0.811	0.787	0.764	0.742

（2）2-magnification Lifting Performance Table

Amplitude(m)	3-23.9	24	25	26		27	28	29	30	31	32
Lifting capacity (t)	2	1.99	1.90	1.81		1.74	1.66	1.60	1.53	1.47	1.42
Amplitude(m)	33	34	35	36	37		38	39	40	41	42
Lifting capacity (t)	1.37	1.32	1.27	1.23	1.19		1.15	1.11	1.07	1.04	1.01
Amplitude(m)	43	44	45	46	47		48	49	50
Lifting capacity (t)	0.98	0.95	0.92	0.90	0.87		0.85	0.82	0.80

Q:ok, how do you make a paper crane. i've totally tried with a direction and marked paper, but that didn't work out. by the time i gave up the paper was all smooth cuz it was so worn. anything would help, links, step-by-step instructions, both. whatever. 10 pts to whoever tells me, and i succeed. sweet: wow, you must be refering to origami I can not help with this one but you can go to the library tomorrow and look it up (NOTE: this is neither joke or riddle see if there is a more appropriate place for this like arts and crafts )

Q:In Catching Fire Katniss hangs a dummy with the words Seneca Crane on it. Who is that? It sounds familiar...: okay, i was just wondering the same thing! seneca crane is the previous head gamemaker that didnt kill katniss peeta after the 'berry' incident. u can refer back to page 20 in chapter 2! go ahead check it out. okay, gotta go do some more reading!

Q:ok I found an injured crane what do I feed it?: Cranes are omnivores. But I would feed crane with vegetarian stuff like grain, berries, plants, roots, seeds, stems, bulbs, fruits, nuts. But if you want make it non vegetarian then rodents, fish, amphibians, snakes, rodents, lizards, small fish, frogs, shellfish, mollusks and crustaceans.

Q:how to make a magnetic crane on cheap price?: The whole crane or just the lifting device? Not easy to be cheap in either case - the crane because of safety concerns and the lifting head because it requires a lot of now high priced copper wire, well insulated, and a hefty electrical source with long cables to get the power to the head. Best (probably) to buy used if you want to save money.

Q:A crane operator was extended his Tadano crane boom(two section of boom out of five) at almost 0 degree boom angle. My question is-Is it safe to lift any load at 0 degree boom angle.: I suppose Tadano is the manufacturer and they make several models most of which are safe at zero degrees with two sections extended. The weight of the extended cable and hook need to be added to the weight being lifted or lowered, so the allowable weight could be zero for a very long cable. Some safety factor is present, so you may choose to push your luck. A cable that breaks suddenly can whip around in a dangerous manner. If you bend the boom replacement will be very costly. If the boom was bent in a previous lift, it is much weaker than an unbent boom and the extending feature may jam. Neil

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:how does a crane operator's knowledge of where the centroid is generally located for most uniform objects help them perform their job more safely?: Usually it is the rigger who attaches the lifting gear not the crane operator who needs to know about centriods and even then the real trick is getting the slings or other lifting devices in the exact place. That tends to be a bit of trial and error unless the lifting points are clearly marked.

Q:I saw da construction of the upcoming tallest building in da world in Dubai,how did da crane get on top of it?: Why do you write da instead of the? It's irritating. I apologize to you. That was rude and unkind of me.

Q:Would David have made a better babysitter than a crane driver?: none of the crane accidents were fatal, a black lad was slightly injured though

Q:inventor of junk yard electromagnetic crane?: Who Invented The Electromagnet

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