Small Loading Capacity Tower Crane 4808 on Sale
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 30 unit/month
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Brief Description:
Tower crane 4808 is used to lift building material such as concrete, steel bars vertically and horizonally.
All tower cranes consist of the same basic parts:
1. The base is bolted to a large concrete pad that supports the crane.
2. The base connects to the mast (or tower), which gives the tower crane its height.
3. Attached to the top of the mast is the slewing unit (large ring-gear and motor) that allows the
crane to rotate.
4. Attached to the slewing unit is the jib (or boom), the machinery arm, the counterweights
and, the Operators cabin
Features:
Independent height (m) | 31.5 | ||||||
Max height with attachment (m) | 110 | ||||||
Working range can be adjusted(m) | 38/43/48 | ||||||
Min working range(m) | 2.25 | ||||||
Max lifting capacity(t) | 4 | ||||||
Tip load @ 48m(t) | 0.8 | ||||||
Hoist mechanism | Falls | 2 | 4 | ||||
Lifting capacity(t) | 1 | 2 | 2 | 2 | 4 | 4 | |
Speed(m/min) | 70 | 35 | 7 | 35 | 17.5 | 3.5 | |
Motor | YZTD225M2-4/8 /32 15/15/3.5KW | ||||||
Trolleying mechanism | Speed(m/min) | 20/40 | |||||
Motor | YDEJ100-4 /8 2.4/1.5KW | ||||||
Slewing mechanism | Speed(r/min) | 0-0.6 | |||||
Motor | YD132S-6/8 2.4/1.8KW | ||||||
Climbing speed(m/min) | 0.4 | ||||||
Counterweight(t) | 7.6 | ||||||
Mast section size(L×W×H)m | 1.4×1.4×2m | ||||||
Working temperature | -40-+60°C | ||||||
Total power (KW) | 23 | ||||||
Power supply requirement (KVA) | 115KVA for generator | ||||||
Cable type ( within 30 meters from site power source to lower electric box of tower crane ) | 25mm2(3+2, 5 cores) | ||||||
Startup voltage & current | 380V×95%=361V 180A | ||||||
Rated working voltage & current | 380V 65A
| ||||||
Loading Diagram:
FAQ
1. why chose us?
China National Building Materials (Group) Corporation (CNBM), established in 1984,now is one of the largest state-owned group corporation in China, dealing with building materials & industrial equipment. Up to year 2010, CNBM Group's total asset is 20 billion USD and total staff is more than 100,000.CNBM International Corporation, specializes in designing & manufacturing of various
kinds of construction machinery, including tower crane, building hoist, etc. All the equipment produced by CNBM are compliant with the National level quality standard, and wins great reputation for their endurable performance in worldwide markets.
2.How about the shipment?
You can put 2 sets of of wheel loaders in one 40HQ container. The spare parts are packed with boxes.
The delivery time is 20 days.
3. What about your service?
We have our factory, we can meet customers needs as soon as possible.
We have first rate professional technology and provide good after-sales service.
4.After Sales Service
We offer the Preventative Maintenance and After Sales Service. For we strongly feels about the importance of supporting our customers and the product solutions we provide. Consequently we offer comprehensive maintenance options to prevent equipment issues before they become problems. Also we offer one year guarantee period.
- Q: A few years ago, my college decided to take down two multilevel dormitories. The demolition company decided to take it down piecemeal with a wrecking ball. The wrecking ball was attached to the crane via a very large tire (just the rubber part, not the inflatable part). I have seen this done on normal cranes and other wrecking balls on TV and was wondering if any professional construction people out there know why they would do this as to me, a guy not in the construction/demolition business, think that might be a bit unsafe.
- It really depends on the terrain or the platform where this crane will stand.. If it is in a muddy or sandy terrain, then they may opt to use a chain tire. Cranes, dont merely rely on the tires. Cranes use outriggers. These are the extending arm of the crane. This hydraulically operated mechanism goes out of the cranes body, extends and extablished itself at four corners and sits at the ground to provide leverage for the cranes. This will prevent the crane to overturn when it is doing the operation.
- Q: Please, if their is a site that shows how to build a crane, provide a link. btw: i do not want to buy some sort of crane building kit.Thanks
- Do you need to build it so it can pick stuff up, cause thats gonna require, magnets and alot of other stuff, that I don't feel like talking about, bye:(
- Q: how is a tall crane constructed? how can they put the crane on top of its tall body frame?
- They first construct the top of crane on the ground with help from other mobile cranes. This includes the long horizontal part with the operator's cab, and the concrete counterweight. this is then placed on a climber, with which the crane kind of builds and climbs itself to the necessary height. Every vertical section of the crane is placed in the climber. When the piece is in place, the climber climbs to the top of piece from where the next vertical piece is placed and so on. You can see how a crane is constructed in the website I've cited below:
- Q: need a 5 ton jib crane design with drawing please help, boom 12ft hub 16ft?
- Jib Crane Design
- Q: the way u find them climbing with the building makes me wonder how they become this long and what is the mechanism for that
- The base and the arm can be expanded like the ladder of a fire fighter car.
- Q: I need a web site for crane documentation. What I need, is a site, where from I can get, when needed, hydraulic and electric schematics for all kind of cranes (crane trucks, bridge cranes, etc)Thank you,
- try okorder /
- Q: how do they take crane off top of building?
- Depends on the building. Either a taller crane is brought in to lift them, or they're lifted by helicopter. And sometimes a building effectively builds itself, and the crane moves up with the construction platform after being constructed at ground level. Will still need a helicopter to remove it of course.
- Q: The arm of a crane at a construction site is 12.1 m long, and it makes an angle of 30° with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque the load produces at the base of the arm. (a) What is the magnitude of the maximum torque the crane can withstand if the maximum load the crane can handle is 500 N?(b) What is the maximum load for this crane at an angle of 35° with the horizontal?
- (a) What is the magnitude of the maximum torque the crane can withstand if the maximum load the crane can handle is 500 N? τ = FL τ = 500(12.1cos30) τ = 5239.45 τ = 5240 Ν?m (b) What is the maximum load for this crane at an angle of 35° with the horizontal? τ = FL F = τ / L F = 5239.45 / 12.1cos35 F = 528.6109... F = 529 N I hope this helped. Please remember to vote a Best Answer from among your results. It's good karma as it keeps things in balanced exchange.
- Q: how do construction crews put up a crane?
- They assemble it on a concrete foundation using a mobile crane. To grow taller, the top unit of the tower crane has a jacking mechanism that lets it raise itself up and insert another tower section.
- Q: any one can give me address for forged hook for crane?
- here okorder /
Send your message to us
Small Loading Capacity Tower Crane 4808 on Sale
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 30 unit/month
OKorder Service Pledge
OKorder Financial Service
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