QTZ40(5008) tower crane

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Qingdao
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TT OR LC
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1 set
Supply Capability:
12 set/month

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Product Description:

QTZ40(5008) tower crane is hoisting and conveying machinery which is designed by Shandong Fuyou Co., Ltd. by fully utilizing the group technology, the combinational design technology and the finite element analysis technology and taking the tower crane microcomputer design platform as a tool and has excellent performance.

The crane is a horizontal-arm-rest trolley-amplitude upper-revolution hydraulic lifting type crane which has the effective amplitude of 50m and the maximum lifting moment of 438kN•m. The tower crane has the lifting height of 29m and the adhesion lifting height of 120m (2 magnification) during independent use.

All the speed indexes of the crane meet or surpass national standards.
The crane has the total installed capacity of 24.9kW, features advanced parameters, excellent and reliable properties, attractive appearance, high quality, simple and practical structures, advanced safety devices, convenient maintenance, safe usage and reasonable prices, and is ideal construction machinery for many medium-small construction enterprises

The lifting boom and balance boom adopt cantilever boom structure, which reduces the hoisting modular and makes it more safe, convenient and flexible to install and uninstall, and reduces the requirements for hoisting equipment and the site.
2. Multiple special mounting brackets are available, which saves the installation time and ensures safe and quality installation.
3. The lifting boom adopts cantilever boom structure and variable cross-section materials, featuring more reasonable structural stress and long service life; and it is easier to make different combination of boom length.

Technical Performance Parameter Table


Item

Unit

Magnification

α=2

α=4

Rated lifting moment

kN.m

400

Maximum lifting capacity

t

2

4

Working amplitude

m

3 ~50

Maximum amplitude lifting capacity

t

0.8

Lifting height

Independent

m

29

Attached

m

120

Time of moving outrigger end to rotation center

m

50.74

Time of moving balance arm tail to rotation center

m

12.816

Counter weight

t

8.54

Total motor power

kW

24.9

Allowable working temperature

0C

-20~+40

(1)4-magnification Lifting Performance Table


Amplitude(m)

3-10.966

11

12

13

14

15

16

17

18

19

20

Lifting capacity(t)

4

3.98

3.64

3.36

3.10

2.89

2.70

2.54

2.39

2.26

2.14

Amplitude(m)

21

22

23

24

25

26

27

28

29

30

31

Lifting capacity(t)

2.04

1.94

1.85

1.77

1.69

1.62

1.56

1.50

1.45

1.39

1.35

Amplitude(m)

32

33

34

35

36

37

38

39

40

41

42

Lifting capacity(t)

1.30

1.26

1.22

1.18

1.14

1.11

1.08

1.05

1.02

0.99

0.97

Amplitude(m)

43

44

45

46

47

48

49

50

Lifting capacity(t)

0.94

0.92

0.89

0.87

0.85

0.83

0.81

0.80

(2)2-magnification Lifting Performance Table


Amplitude(m)

3-21.4

22

23

24

25

26

27

28

29

30

Lifting capacity(t)

2

1.94

1.85

1.77

1.69

1.62

1.56

1.50

1.45

1.39

Amplitude(m)

31

32

33

34

35

36

37

38

39

40

Lifting capacity(t)

1.35

1.30

1.26

1.22

1.18

1.14

1.11

1.08

1.05

1.02

Amplitude(m)

41

42

43

44

45

46

47

48

49

50

Lifting capacity(t)

0.99

0.97

0.94

0.92

0.89

0.87

0.85

0.83

0.81

0.80

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Q:Tower crane (tower crane)
Fixed tower crane, mobile tower crane, flat tower crane, movable arm tower crane
Q:Tower crane 10-5-20 is 6T, and 10-5-21 is 8T. What do you mean by tons?
6T/8T refers to the maximum lifting capacity of a tower crane. It doesn't matter what 10-5-20 has to do with it. Maybe your list of numbers is serial number.
Q:What are the climbing claws on the tower crane?
You mean the set section? Used to be rubber, and later found that when the top of the friction is too large, not too good, plus plus the festival, but also always remove the standard section paint, and now basically the pulley
Q:Tower crane body standard section connection bolt screw upward or downward, why?.
A few days ago, a special training course of mechanical equipment, a safety supervision station old experts say the screw from the upward wear, stress is the same, but if the nut screw will fall off, in order to find problems. If you can't get it off the top and bottom nut, you won't find it
Q:Is it difficult to test tower cranes?
A tower crane installation scheme, 1, compilation basis, project overview, working environment, 2 workers and 3 endurance calculation and installation equipment for 4, installation procedures, methods and requirements for 5, commissioning record 6, two safety technical measures, safety technical disclosure, three installation foundation concrete test report of four, the tower crane installation and acceptance of table five, safety supervision station issued a permit for six, seven, demolition demolition project safety technical clarificaiton tower crane installation scheme project name: preparation: position (title): Approval: job (title): the construction unit: tower crane installation demolition project, the preparatory work before construction: 1. The tower crane installation position, according to the effective range of the construction requirements, site conditions and the role of tower crane, convenient installation and disassembly, the tower crane configuration in 17 axis to 18 Between the axis, away from the outer wall of 5 meters, with 11 standard section. 2, the basis of the principle, the use of concrete foundation, strictly according to random basis drawing. 3, the examination of concrete pressure report, tower foundation has been completed by design and construction, the safety group acceptance, the basic test block delivery, after the test pressure qualified, must be installed. 4. The installation site is level and the channel is repaired. 5, transport parts admission
Q:Climbing process of an internal climbing tower crane
There are two kinds of climbing mechanisms: hydraulic and mechanical. The hydraulic climbing mechanism consists of a ladder ladder, a hydraulic cylinder, a climbing beam and a support leg. The climbing ladder is composed of an upper and a lower bearing beams, separated by two stories, which are fixed on the wall or side beam of the cylindrical structure when the work is used, and both sides of the ladder stand are provided with steps. The load bearing beam corresponds to the four main limbs of the crane tower, and is equipped with 8 guide rollers, which plays a guiding role when climbing.
Q:What does "slewing up" and "under rotating" in the slewing form of a tower crane mean?
In short, when the tower rotates in the form of a tower, the tower is stationary (ie does not follow the rotation), and the form of the lower turn is the tower will rotate.
Q:What kind of bodies are tower cranes made of?
First, the working mechanism of tower cranesThe working mechanism of tower crane is usually composed of lifting mechanism, luffing mechanism, slewing mechanism, hydraulic jacking mechanism and running mechanism.The hoisting mechanism to realize heavy vertical up and down movement; luffing mechanism and slewing mechanism to achieve weight moving in two horizontal directions; hydraulic lifting mechanism of standard section, increase or decrease, so as to increase or decrease the tower; range of weights can achieve walking mechanism in tower crane and force of arbitrary space motion.
Q:Operation points of tower crane (tower crane)?
Slewing bearing: tower crane is one of the most critical components, mainly to bear overturning moment and vertical load. After the failure, the demolition and replacement is extremely difficult, loss of large, so you have to check carefully to do maintenance, each 200H must be a senior grease lubrication from the rotary bearing surface, until now exudation. Slewing bearing adopts high strength bolt connection, if the pretension is not enough, or long-term operation, do not check, not fastening, will cause loose. If the individual bolts loose, will cause the remaining bolts overload, the consequences will be disastrous. The luffing mechanism only moves horizontally, the load is light and the line speed is not high, so it should be easy to master and operate. However, the amplitude involves the change of the lifting torque, and if there is no stopping in time, there will be the possibility of over torque. Therefore, the main requirement of variable amplitude operation is stationary parking and accurate positioning. The tower crane is of great height and the hanger is hung longer, so it is easy to swing the hanger when it is running. This is an objective phenomenon. What is called stabilization hook operation is how to make the swinging hook stop quickly, or how to make the hook move with the movement of the crane as soon as possible, and minimize the operation of the swing. The operation of stabilization hook is the skill that the driver should master.
Q:What is the calibration value of a tower crane?
Tower crane calibration value is to benchmark material to be calibrated by standard liquid titration value, calibration to parallel mark three times, take the average value, if the requirement is not strict, error within 3 per thousand, strictly within 1 per thousand.Main performance parameters of tower crane:1. Lifting weight G1. weight G - was the quality of the heavy lift. The unit is t.2. rated lifting weight Gn allows crane lift weights together with the quality of the sum of the spreader.3. maximum weight Gmax - normal work conditions under the crane, the maximum permissible rated lifting weight lifting.Two, range LL - 1. range of level ground when the crane is positioned between the spreader, no-load vertical center line to the center line of the rotary horizontal distance. The unit is m.2. biggest Lmax - crane, jib angle or the minimum car in arm the limit position of the amplitude.3. Lmin minimum amplitude - jib angle or trolley jib in maximum limit position within the range.

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