JL4210A Topkit Tower crane for construction site

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Description of  TOWER CRANE JL4210A

1) JL4210A tower crane has competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of work condition.

2) This kind of crane adopts standard section hydraulic lifting and connecting, and can decide the crane height according to the actual height of the building, and at the same time the lifting capacity will not be affected;

3) It has high working speed, good speed-adjusting performance, steady operation and high efficiency. Three-speed motor and mono-speed ratio decelerator are applied in the lifting struction, which enables heavy load low speed and light load high speed.

4) The crane has complete set of safety devices, which can guarantee the safe and high efficienct operation of the equipment. The machine is equipped with lifting height limiter, dolly range-change limiter, moment limiter, weight limiter, circumgyrating limiter, etc.

5)The machine has scientific layout and beautiful appearance. The operator's room is set independently on one side, with good vision field. It creates a good working environment for the operator

 

 

SPECIFICATION of  TOWER CRANE JL4210A

  • Max. working range 42m, tip lifting weight 1.0T and Max. lifting weight 4T.

  • Hoisting mechanism fitted with three speed motor, stable braking and less shock when shifting.

  • Trolleying mechanism can provide two operation speeds.

  • Free standing height (m) 31

  • Max height with attachment (m) 85

  • Working range can be adjusted(m)42/37

  • Min working range(m)2.5

  • Max lifting capacity(t) 4

  • Tip load @ 42m(t)1.0


Packaging & Delivery of TC4808

40HQ container

25~30days after deposit



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Q:Can someone give me a good website which can provide hydraulic and electric schematics for cranes?
Go to the manufacturer's websites for technical support. Go to the engineering magazine websites that engineers use to design the cranes. Identify the professional engineering organizations that deal with such equipment.
Q:Tower crane, this model inside each letter number represents what meaning, ask the great God to inform.TCT7527-20, TC6015A-10E
The basic parameters of the tower crane: a working range: refers to the center of rotation of the lifting hook up center and tower crane horizontal distance.
Q:why is the crane an important invention?
A crane allows us to place light or heavy loads with precession and safety; on top of buildings, across water ways, down mine shafts and over obstacles. Building a pyramid today would be done with cranes, instead of building ramps to slide the massive stone blocks up. Cranes speed up any construction project. Cranes eliminate a lot of manual labor. Cranes prevent injuries by doing the hard work. One example, we used a crane to lift off an entire house roof, in one piece. We then built a second story and then used the crane again to put the roof back on. Without a crane, it would have taken several days to tear off the shingles, remove the roof sheeting and the trusses, not to mention the money saved. The building codes do not allow the reuse of wood trusses, yet not taking the roof apart, allowed use to reuse the trusses, a savings of hundreds of dollars. Wingman
Q:How do concrete blocks get to the top of cranes? I know why they're there but how do they get up there?
Its simple man, The company produces the concrete blocks called as hollow blocks also, they are lifted up using man power or lifts or cranes, dont know what was difficult to you in understanding that.
Q:how tower crane extend it heights?
A tower crane is actually physically attached to the structure it is helping to build. As the building goes up, they raise the tower crane using a series of jacks that are attached to the floors, so the crane can go as high as the building does.
Q:A crane uses 2 kW to raise a 100-kg box 20 meters. How much time does it take?
We start using by defining mechanical Power: = P=Work/time What is the work here? We lift the box a given distance. Work=mgh Since we know the power of the crane, we can simply plug in the values and solve for t: t=mgh/P This is only true if the crane has a constant power, which seems to be the case LeSmartOne
Q:If a crane fly loses a leg...?
Only lizards can release a part of their body, but only the tail. It probably lost its leg while it was flying because it had a string tightly wrapped around it for a long time and it finally just fell off. It would probably hurt them a little because the bloodflow would be cut off and it would be somewhat numb.
Q:I need the Safe working load for a Crane Lift Formula......Please Help?
Normally you would get a chart for that crane and you look up the SWL at the extension and angle you would want to use, but you can calculate this too. Basic formula; mass*distance = newmass*newdistance, in the case you have described you have to take into account that the distance is not the load arm as it is not at a right angle to the force the mass has and therefore you would have to work that out via trigonometry. Any clearer?
Q:What should I do with a thousand paper cranes?
Set them on fire somewhere safe and controlled. The fireplace? String them together and make a long chain to use like garland or streamers. Hang them from the stairs.
Q:If garden gnomes and oragami cranes were to battle with one would win?
gnomes.. all day.

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