HUAXIA TOWER CRANE QTZ40(4807)

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The tower crane is a hydraulic tower crane with swing top, horizontal jib and mobile trolley. It has the hoisting moment for400Kn.m;the maximum hoisting load of 4t and the maximum working radius of 48m.The hoisting height of anchoring tower crane is 29.7m and that of climbing tower crane is 90m.

The tower crane has ingenious design, beautiful shape and simple structure .It is easy to operate and maintain, and is safe and at a reasonable price .It is an ideal construction machines for construction enterprises. It has hoisting mechanism, swing mechanism, top-rising mechanism and radius mechanism, which can work individually or cooperatively to make a high efficiency. The top-rising mechanism is used to raise or lower tower. The hoisting mechanism has 3-speed electronic motor respectively for high, medium and slow hoisting speeds. It has flexible swing mechanism and radius mechanism and slewing mechanism for vertical and /or horizontal transportation of building materials in one time.

The tower crane has complete and sensitive protection devices such as hoisting weight limiter, hoisting moment limiter, hoisting height limiter, radius limiter and swing limiter to ensure of regular operation. It also has rest platform, guardrail and other protection devices. Driver’s cab is at a side of rib and has big space and wide visual field.

The tower crane has excellent performance and is suitable for hoisting in short civil or industrial buildings or loading or unloading in ports or goods yards

The products of Huaxia Group are your best choices of construction machines.

Name

Unit

Parameter

QTZ40A(TC4807)

Nominal hoisting moment

kN.m

400

Max. hoisting weight

t

4

Rated hoisting weight at jib nose

t

0.71

Working radius

`

m

2.5-48

Height

Anchoring

m

29.7

Climbing

m

90

Hoisting speed

Magnification

a=2

a=4

Hoisting speed

m/min

8

34

52

4

17

26

Hoisting weight

T

2

2

1

4

4

2

Swing speed

r/min

0--0.6

Radius changing speed

r/min

33/16.5

Top rising speed

r/min

0.7

Tower crane weight

Net weight (anchoring)

t

19.4(19.9)

Ballast weight

t

6.3

Total weight (anchoring)

t

25.7(26.2)

Working swing radius

m

I

48

Rear swing radius

m

12.8

Max. working wind speed

m/s

20

Max. wind speed for top rising

m/s

13

Ambient temperature

-20 -- 40

 
Figure 1-2 Technical Parameters of Main Parts

Name

Parameter

QTZ40A(TC4807)

Hoisting mechanism

Electric motor

Model

YZS200L1-4/6/24

Power

Kw

15/15/4

Rev

r/min

1440/960/220

Brake

Model

YWZ-300/45

Brake moment

N.m

450

Hydraulic propeller

YTl-45

Reducer

Model

JZQ500

Dia.

mm

500

Reduction ratio

15.75

Steel Cable

6×37-11-1670-I-smooth-rightward twist

Swing mechanism

Motor

Model

YZR132M2-6

Power

kW

3.7

Rev

R/min

908

Hydraulic coupler

YOX-280A

Reducer

Model

XX4-80

Swing bearing

HSW.32.1220

Radius mechanism

Motor

Model

YD112M-8/4

Power

kW

1.5/2.4

Rev

R/min

700/1410

Reducer

Model

WCJ-120

Reduction ratio

38

Steel cable

6×19-6.2-1570-I-smooth-rightward twist

Top rising mechanism

Motor

Model

Y100L2-4    B5

Power

kW

3

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Q:What is tower crane? What are the types and features?
According to the movement can be divided into: walking type and fixed type. The fixed tower crane tower body can not be fixed, installed on the whole concrete foundation, or installed on the strip or X concrete foundation, and the walking type can be divided into four types: caterpillar type, automobile type, tyre type and track type. In the construction of housing, the general use of fixed type. It can be divided into two kinds of horizontal boom, luffing and luffing of luffing arm according to its variable amplitude. According to its installation form, it can be divided into three kinds: self lifting, integral quick dismounting and assembling. The most widely used are down slewing, rapid dismounting, track type tower cranes and self elevating tower cranes which can be used with four machines (track type, fixed type, attached type and internal climbing type).
Q:QTZ63 (Q5610) tower crane power, how many power parts, name, model specification, product number, date of appearance
All the details of the equipment are availableAs for power, it depends on the specific configuration of the frequency conversion and non frequency conversion will not be the same
Q:What measures should be taken to make tower cranes stable?
Increase deadweight and weight.Crane wire rope is phosphate coated steel wire, galvanized steel wire, stainless steel wire rope or coated steel wire rope, the use of atmospheric environment, patented technology to produce manganese phosphating coating of steel wire rope has the longest lifespan, heavy corrosion environment optimization of hot galvanized wire rope - double coating phosphating, phosphating coating to improve the wear resistance and corrosion resistance of steel wire that is not easy to wear and corrosion resistance is to improve the working life of the plain steel wire rope will be completely eliminated.
Q:What are the characteristics of a tower crane?
Classification and characteristics of tower cranesAccording to whether or not there is a walking mechanism, it can be divided into movable tower crane and fixed crane.Mobile tower cranes can be divided into four types: track type, tyre type, automobile type and caterpillar type according to the difference of walking device.The track type tower crane tower body is fixed on the walking underframe, and can be operated on the specially designed track. The utility model has good stability, can walk with load, and has high work efficiency, so the utility model is widely used in construction and installation engineering.The wheel type, the automobile type and the crawler type tower crane have no track device, and they are easy to move, but can not walk with load and have poor stability.The fixed tower crane can be divided into two types: the attached self lifting type and the internal climbing type according to the different installed positions:The attached tower crane can rise as the building rises. It can be applied to the high-rise building. The structure of the crane can only bear the horizontal load from the crane, but it is easy to use, but it occupies more steel structure;The internal climbing crane in the interior of the building (elevator, staircase), up through a set of system and improve the lifting bracket, is complicated, but occupy steel less, do not need to be installed, all the weight and load by building bear.
Q:What are the working mechanisms and safety devices of tower cranes?
A safety device: four limit: height limit, amplitude limit, slewing limit, travel limit; three insurance: luffing rope insurance, car insurance broken shaft, the hook to prevent falling insurance; two limit: torque limiter, weight limiter on these roughly.
Q:What is the difference between lifting height of tower crane and independent height?
Of course there is a difference. Independent height refers to the highest height of tower crane in its free state. Lifting height refers to the height of actual tower crane design.
Q:How to improve the stability of tower crane
Phosphating coating of steel wire rope, give priority to the use of manganese or zinc manganese phosphating, and smooth steel wire rope production process comparison, just add the last bonderizing process, steel wire, wear resistance and corrosion resistance is greatly improved, the use of the wire without direct phosphating cold twisted steel wire rope.
Q:Tower crane four limit, two insurance, two insurance what is that?
Refers to the air switch and the electric leakage protector in the electric tray.
Q:When building tall buildings, where is the bottom of the tower crane installed?
A firm foundation is built before the tower crane is used, and then the crane is fixed to the foundation
Q:What are the types of cranes?
Three, crane according to the way of operation is divided into fixed and mobile. (1) tower cranes and cantilever cranes belong to fixed cranes. (2) bridge cranes, tire cranes, crawler cranes and railway cranes belong to mobile cranes. Mobile cranes are divided into rail and trackless two. Bridge crane is rail type, caterpillar and automobile are trackless. For example, the search network, the address is xxko, followed by com remember Oh, because this site is also facing the world, if you want to know a certain brand of crane, can look at its official website, this is also the line.

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