QTZ50(4810) 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(4810) tower crane is hoisting and conveying machinery which is designed by Shandong Fuyou Co., Ltd. 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 48m and the maximum lifting moment of 544kN•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 24.9kW, 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.

2. Lifting Technical Performance
2.1 Lifting Performance Table and Lifting Performance Curve
(1) 4-magnification Lifting Performance Table

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.

Amplitude(m)	3-13.6	14	15	16	17	18	19	20	21	22	23
Lifting capacity(kg)	4000	3890	3618	3380	3170	2860	2810	2660	2530	2400	2290
Amplitude(m)	24	25	26	27	28	29	30	31	32	33	34
Lifting capacity(kg)	2190	2090	2000	1920	1850	1770	1710	1650	1590	1540	1490
Amplitude(m)	35	36	37	38	39	40	41	42	43	44	45
Lifting capacity(kg)	1440	1390	1350	1310	1270	1230	1200	1170	1130	1100	1070
Amplitude(m)	46	47	48
Lifting capacity(kg)	1050	1020	1000

（2）2-magnification Lifting Performance Table

Amplitude(m)	3-26	27	28	29	30	31	32	33	34	35
Lifting capacity(kg)	2000	1920	1850	1770	1710	1650	1590	1540	1490	1440
Amplitude(m)	36	37	38	39	40	41	42	43	44	45
Lifting capacity(kg)	1390	1350	1310	1270	1230	1200	1170	1130	1100	1070
Amplitude(m)	46	47	48
Lifting capacity(kg)	1050	1020	1000

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 ～48
Maximum amplitude lifting capacity		t	1.0
Lifting height	Independent	m	30
	Attached	m	120
Time of moving outrigger end to rotation center		m	48.74
Time of moving balance arm tail to rotation center		m	12.816
Counter weight		t	7
Total motor power		kW	24.9
Allowable working temperature		0C	-20～+40

Q:crane signals?: There are hand signals which are used by men not operating a larger crane for hoisting,lowering,stopping, holding and slow. There are more but you would get a better idea in the link below. Scroll to pictures. 2nd link is a place to purchase placards or magnetic backed visuals.

Q:I am looking for guidance on determining the optimal design parameters for the design of an overhead travelling crane when considering a span of 60m and a lift requirement of 2500Tonnes. If not possible what would be the maximum lift for the same span: Is this for a nuclear power station? If 2500 Te and 60m really are the specified loads and span then it is likely that it will be used very seldom. In theory you can design for any load to be lifted but maintenance on a crane system that is used once a year (10 years?) is a real problem. The main items to consider are: Availability of winches and bogies which then dictates running beam and rail sizes. For the spanning beam several alternative sizes needed to be designed and then costed. It will be not just weight but transport costs that determine the most efficient sizes The overall height of the crane will then determine the required roof height assuming that the crane is under cover. For comparison the Harland and Wolf cranes in Belfast called Samson and Goliath can lift 840 Tonnes each. Overall design needs to consider speed of travel, acceleration and deceleration rates and a host of other things.

Q:A crane lifts a 2355 N bucket containing 1.81 m3 of soil (density=2084 kg/m3) to a height of 7.56 m. Calculate the work the crane performs.: Mass of soil(m) = V x d =m = 1.81 x 2084 = 3772.04 kg =Weight = m x g = 3772.04 x 9.8 = 36965.99 N Thus the total Force by crane = 36965.99 + 2355 = 39320.99 N Thus Work done (W) = F x s = 39320.99 x 7.56 = 297266.70 J = 297.27 kJ

Q:a 10 crane is moving across a frictionless surface at 4 m/s. if you wish to bring the crate to a stop, how much work would it need to do to dissipate all the kinetic energy?Physic: If an object with mass 10kg is moving at x m/s it's Kinetic energy is ?mv? =?×10 kgm?/s? = 5x? Joules Example: 10kg @ 4m/s Ke = ? (10kg)× (4m/s)? = 80 Joules

Q:What is the scrap standard of tower crane hook?: The hook shall be scrapped at any time in the following circumstances:Crackle；The wear of the dangerous section is 10% of the original size;The opening ratio is increased by 10% than the original size;The twist of the hook is over 10 degrees;The dangerous section of the hook or the neck of the hook produces plastic deformation;The hook thread is corroded;When the hook bushing is worn at 50% of the original size, the bushing shall be replaced;The mandrel shall be replaced when the hook mandrel is worn at 5% of the original size.

Q:A. to make everyone become a CommunistB. to become rich at the expense of othersC. to kill all the villagersD. nothing in particular: The main idea of Cranes by Hwang Sun-Won is more of a symbolic thing; he uses different objects such as chestnuts and cigarettes, as well as the cranes in the story to convey his hope and his dream, along with his message. He is expressing the power of war, particularly civil war, which can rip apart families, neighbors and the best of friends. The story, unlike many other tragic civil war tales, is not focused on the idealogical difference btw Tok-Chae and Song-Sam. Rather, it is about the human tragedy of the Korean War. Tok-Chae and Song-Sam were ripped apart by the War. Song-Sam, on his return to his village, he finds Tok-Chae and decides to escort him to a Public Peace Police office a few miles away. On the way, he gets flashbacks and talks with Tok-Chae. These things help to change his mind and he frees Tok-Chae. This is symbolized by the two cranes which soared high into the sky. Hwang-Sun Won conveys his message effectively; unification will be achieved and is needed to repair such ties like Tok-Chae and Song-Sam. He is saying that the two cranes will fly together once more.

Q:im doing a project and i need to know what eats sandhill cranes asap.: Predators of the sandhill crane include man, feral dogs, wolves, and coyotes (Canidae), crows and ravens (Corvidae), hawks and eagles (Accipitridae), jaegers (Stercorarius spp.), raccoon (Procyon lotor), alligator (Alligator mississippiens), bobcat (Felis rufus), black bear (Ursus americanus), river otter (Lutra canadensis), and snakes

Q:We would like some ideas from folks who have the cranes coming to their bird feeders. What foods are they attracted to?: I give them black sunflower oil seeds along with chicken seed as we have chickens and ducks, They have just started to come and I am thrilled as I watched them do their jumping, dance,and expanding their wings Just beautiful. I also gave them bread crumbs which they devoured!!

Q:total motor kw-100kw,crane class-m6,the crane should be operated on ups as the conventional electric supply is off , back up time require-30 min.: About 4200 AH( TOTAL) is required with 12 V batteries.

Q:are parts availble for shop crane? Hydraulic ram plunger o rings has split....need part?: may have one, or try a tractor supply shop in your area. You can try matching the ring at an auto parts store that has balk parts behind the counter.

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