4T Mini Tower Crane with Good Quality For Sale

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Loading Port:
China main port
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TT OR LC
Min Order Qty:
1 set
Supply Capability:
20 set/month

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Product Description:

Descriptions of our tower crane:

1, TC4808 have competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of work condition. With their working radius from 2.25 to 48m, TC4808 tower cranes are famous for their large operating ranges, varied working methods and wide uses.  

2,This series of tower cranes has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism.

3, It is original in design, reliable in operation and satisfactory in shape.

4,Equipped with all necessary safety devices, these cranes show a good speed-control capacity,, satisfactory operating stability and high work efficiency.

5,They are widely applied for the construction of high-rise hotels, resident buildings, high-rise industrial buildings, large-span factory buildings and tower like buildings like tall chimneys. Best after sales service will be offered which will get rid of all your worries in the purchase of our products

 

Advantage of our tower crane:

1, boom relief Angle is big, greatly widened the equipment capacity and scope of work.

2, suitable for the group of tower cross homework.

3, boom stability is good, combination amplitude range.

4, suitable for height have special requirements occasions construction.

5, lifting capacity big, effectively solve the high steel structure construction team crane big lifting capacity requirements.

 

Item

Unit

2 fall

4fall

rated hoisting moment

kN.m

1250

max.hoisting load

t

5

10

working radius

m

3~60

Hoisting load at the max.radius

t

1.803

1.769

radius at the max.hoisting load a

m

27.155

14.867

Hoisting height

Free-standing

m

50

anchoring

180

90

 hoisting speed

m/min

104/52.05

50.05/25.02

slewing speed

r/min

0.61

trolleying speed

m/min

58.6/29.3/8.79

top-rising speed

0.4

lowest steady fallring speed

≤5

outline of th

chassis

m

7.76x7.76

Height of complete machine(free-standing)

60.502

jibend to the slewing center

61.383

balance jibend to the slewing center

14.82

self-weight

structure weight(free-standing)

t

53.506

counter weight

max.radius 60m

18.5

max.radius 56m

16.7

max.radius 50m

13.9

total capacity of motor

kW

60.85

permitted working temperature

°C

-20~+40

 basic wind pressure of working condition

Pa

250

basic wind pressure of non-workingcondition

Pa

1100

power supply parameter

50Hz

~380V±10%

 

4T Mini Tower Crane with Good Quality For Sale

4T Mini Tower Crane with Good Quality For Sale

 

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Q:What kind of tower cranes are available? How about the scope of all kinds of tower cranes?
Tower crane is divided into fixed tower crane, mobile tower crane, jack up tower craneThe mobile tower crane is divided into track type, tire type and automobile typeThe jack up tower crane is divided into two parts: internal climbing type and attached typeUsage: loading and unloading concrete by hanging tank for general construction and installation
Q:In the case of tower crane operation, the operation should be stopped
In case of six or more gales, heavy rain, heavy fog, heavy snow or tower crane, you should stop working
Q:What is the scrap standard of tower crane hook?
The hook shall be scrapped at any time in the following circumstances:Crackle;The wear of the dangerous section is 10% of the original size;The opening ratio is increased by 10% than the original size;The twist of the hook is over 10 degrees;The dangerous section of the hook or the neck of the hook produces plastic deformation;The hook thread is corroded;When the hook bushing is worn at 50% of the original size, the bushing shall be replaced;The mandrel shall be replaced when the hook mandrel is worn at 5% of the original size.
Q:Which is the main basis for the disassembly and assembly process planning of tower cranes?
12 installation process;13 safety device debugging;14 major hazard installations and safety technical measures;15 emergency plan.2.0.12 tower crane disassembly special program should include the following content:1 project overview;2 plane and elevation of tower crane position;3 disassembly order;Weight and suspension position of 4 parts;5 disassembly type, performance and layout of auxiliary equipment;6 power settings;7 construction personnel allocation;8 rigging and special tools;9 major hazard installations and safety technical measures;10 emergency plan.
Q:When the tower crane is installed in the fertilizer tank,
When the tower crane is installed in the fertilizer tank, is the elevation of the upper surface of the tower crane foundation flat with the elevation of the bottom of the new building? Or lower than the trough mark
Q:What is the free height of a tower crane?
The free height of tower crane is different according to the size of tower crane.
Q:There is no CAD map attached to embedded parts of tower crane?
Where there are special drawings, we are using the embedded parts of tower crane attachment reinforced pre buried above 32mm (with hook) in concrete beam column, with the head of the thread and attached connection
Q:What is the difference between a jack up tower crane and a fixed tower crane?
The fixed tower crane means lifting the foundation of the tower body on the foundation or structure through the connecting piece.
Q:Safety rules for tower cranes
Three. Check after shutdown3.1 after the tower crane has stopped operation, it is necessary to select the suitable position of the barrier and the middle of the track when the turret is turned and the arm to stop along the wind, and then lock all the rail clamps.All 3.2 tower crane rotary mechanism with a normally closed or braking device, in the stop after the operation, the driver must remove the handle, release the brake for crane in the wind blowing in under the direction of rotation.3.3, the hook should be lifted to the minimum distance from the lifting wall, not more than 5m position, hanging on the hook is strictly prohibited. Not to take reliable measures, not by any means, limiting the boom rotate with the wind.
Q:Examples of filling and acceptance forms for tower cranes and examples of filling in.
The 1 conclusion is "qualified" project, fill out the "tick".2, the conclusion is "unqualified" project, fill in "x"". Part of the "unqualified" sub item should also be painted on its number *".

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