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:How do you cheat on a crane game?
a partial cheat that i use is 1st looking to see which items are at least open enough to get 2nd when i start up i get to the item then to go the left and right of item and adjust which way i go then try to aim for the middle of the item wanted then there is an 80 % chance that i will get the item i am aiming for but some of those crane games are rigged to the point you have to go at least 2 or 3 times depending on what type items are on there because the crane arm looses strength especially if it is far away from the exit hole
Q:The Red Badge Courage by Stephen Crane?
The book is fabulous and not particularly lengthy. An easy to read piece that is a page turner.
Q:For those who have seen the Dark Knight, is the Scarecrow/Dr. Crane back in the movie?
Dr Crane Scarecrow
Q:What was the mekhane (crane) used for in Greek plays?
Behind the stage there was sometimes a crane called the 'mekhane'. Actors could be hung from the crane to play gods or monsters flying through the air. These were early special effects!
Q:Does my truck support this mounted-crane?
Click here to find your answer
Q:What is the most effective way to kill a Crane Fly (Daddy Long Legs)?
A Daddy Long Legs is a spider. Crane flies are not related to spiders. We call crane flies leatherjackets even though that's the name for the larvae. My husband calls them mosquito hawks. If you don't have my cat, who considers them a delicacy and allows me to carry her around the house so she can catch them and eat them (and apparently floss her teeth with them), then the towel snap is quite effective.
Q:Common themes in Stephen Crane's works?
Stephen Crane Works
Q:Looking for printable information on safety about having a dog w/u while operating a crane?
Is it a seeing eye dog?
Q:For airsoft would you choose a PEQ box or a crane stock?
I prefer crane stocks. I like the way they look (plus they're comfortable). I think PEQ boxes are ugly.
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.

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