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: What are the components of a tower crane? What are its main technical parameters? What is lifting torque?: 2 tower cranes (tower crane) referred to as tower cranes, also known as tower cranes, originated in Western europe. A revolving crane mounted on top of a tall tower. The working space is large, mainly used for the vertical and horizontal transportation of materials and the installation of building components during the building construction. It consists of three parts: metal structure, working mechanism and electrical system. The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking. The electrical system consists of motors, controllers, power distribution cabinets, connecting lines, signals and lighting devices, etc..Has a good safety device 3, tower crane, such as lifting weight limiter, amplitude limiter, height limiter and load torque limiter limiting device, and travel limit switchestower lights wind instrument, wind clip rail device ladders athletic supporter circlewalkways and railings. The driver's cab is comfortable, easy to operate, with good vision and perfect communication facilities.

Q: How big is the contactor lifting? How big is the car and how big is the turn?: How big is the lift? It depends on the size of the motor you use. 24KW motor, the choice is about 100A. 30KW uses 125-150A, 55KW, and 150-180A;Generally 40A contactor is used for turningCar selection of 25A on it.

Q: If there was a fight between Stefano DiMera and Allistar Crane, who would win?: Stefano Dimera

Q: I want to join: Madras Institute Of Heavy Machinery in Thirumullaivoyal No 45, Thirumullaivoyal, Mth Road, Thirumullaivoyal, Chennai - 601209 (44)-26384031, 26382363, 26381739

Q: Since a crane has to extend outriggers while performing lifting operation , is it ok to allow a crane to transfer materials by carrying without extending outriggers and lifting and carrying load to different location especially in construction industry for safety reasons?: Yes, this is not only possible, it is done by cranes that are designed to operate without outriggers. There is a company called Lampson that has a whole product line of these cranes (see link). I have personally witnessed a number of lifts where an outrigger-less mobile Lampson crane moved a load in the multi-hundreds of tons during construction of a nuclear power plant.

Q: I have to build a hydralic system that can pick up a paper clip . the supplies you are allowed to use are 10 straws, 5 pipe cleaners, 1 yard of masking tape. 10 note cards. 2 syringes and tubing. 5 rubber bands. 8 popsicle sticks. 2 feet of string. 1 magnet. Please help.: Obviously you must link the syringes with tubing, fill all with fluid, no air spaces, and then use the plunger in one to make plunger move in the other. That will be the hydraulic motion. You must make this motion to move the magnet up and down. How you construct the magnet holder to move the magnet by syringe action is up to you.

Q: Protected cranes are nesting in pine trees with possible disease carrying bird droppings covering drive way and street where neighborhood children play. I've called several local organizations only to be told there is nothing I can do since they are protected by law. These birds return every year and stay for about 4 months - each year gets worse with droppings and stench. Daily cleaning is required but that still does not keep the areas around them clean.: If the pine trees have been designated as a protected breeding site, you may well be SOL. The reason these critters are protected is that they have had their available breeding habitat swallowed up and plowed under by stupid humans who insist on putting their homes where they don't belong. Since their life depends on using that site, and your's doesn't, the birds take precedent. However, if the site itself is not protected, and only the birds during nesting season, then when the birds move away for the season, simply remove the pine trees - their habitat will be gone, but the birds will still be alive, and they can find new nesting ground. But since every crane species I know of builds their nests low to the ground or floating in marshland environments, I seriously doubt that whatever is nesting in your pine tree is actually a crane. Even the demoiselle crane of central Asia builds its nests low to the ground, but in desert scrub/plains rather than wetlands. So perhaps if you get the birds properly identified, you'll have better luck taking care of your problem.

Q: Her fan mail address isnt on fanmail: Try: Kara Crane c/o Orange County High School of the Arts 1010 North Main Street Santa Ana, CA 92701

Q: i need the story cranes by hwang sun won and translated by peter h. lee and i cant find it on google. help i need the story for my essay: EEK! I just did a search under Hwang Sun Won. It appears that Cranes is a series of short stories. Is that what you meant? If it is one particular short story called Cranes, I can't find it. I would suggest you go to your teacher/professor and ask where to obtain a copy. If you can't ask your teacher, run, do not walk! to your nearest library and throw yourself on the mercy of the librarians! Another search option for you is to look for books by Peter H. Lee, specifically the ones he has edited. He has written several anthologies. Good luck!

Q: what is the difference between rigging, wire rope and rope?: Wire rope is twisted line made of stainless, or high tensile steel. Rigging refers to the slings, or chains that attach the load to the lift hook. Rigging also refers to the act of attaching a load to a load handling device, such as a crane.

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