Tower Crane of Chang Li Model Number QTZ40(4510)

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QTZ40(4510) Description

Feature: Tower Crane

Condition: New

Application: All kinds of costruction

Rated Loading Capacity: 4T

Rated Lifting Moment:500/630/800/1000/1200KN.m

Max. Lifting Load: 4T

Max. Lifting Height: 150m

Span: 42M

Place of Origin: Henan, China (Mainland)

Brand Name: Yu Jie

Model Number: QTZ40(4510)

Certification: ISO,CE,BV,SGS

Warranty: 12 months

After-sales Service Provided: Engineers available to service machinery overseas

Tip Load: 0.8

Trolley travel speed: 38/25m/min

Slewing speed: 0.6r/min

Jacking up: 0.4m/min

Powed: 380V/50HZ

Lifting character: 2/4 Fall

QTZ40(4510) Features

1.Thirteen years of experience in supplying new self-erecting tower crane with Huiyou Brand.

2. Export to more than 20 countries with CE/ISO/GOST Certificates.

3. Stationary/Travelling, external/ internal climbing tower crane 

4. Impeller blasting/rust protection paint

5. Advanced painting process

6. Potain masts designed with dismountable panels, making teansport easier and cheaper. 

7. New designed mast, can be used to Internal and external climbing tower crane

8. Famous brand mechanism system, Schneider Electronic control system, jiangte and jiuhe motor

9. Engineers available to service machinery overseas.   

QTZ40(4510) Specification

 Tower Crane of Chang Li Model Number  QTZ40(4510)

QTZ40(4510) Pictures

 

Tower Crane of Chang Li Model Number  QTZ40(4510)

Tower Crane of Chang Li Model Number  QTZ40(4510)

Tower Crane of Chang Li Model Number  QTZ40(4510)QTZ40(4510)  FAQ

Q: What kinds of ur tower crane are available now?

A: Four main categories: normal tower crane with cat head, internal climbing tower crane, top less tower crane and luffing tower crane.


Q: What is the brand for your tower crane motor?

A: All the selected motors are outsourced from the same company as Potain China, which passed CE inspection (if you need, we could provide related certificate)


Q: What is the principal to quote the right tower crane to the client?

A: First, we need to know clients’ requirements. Normally the following information should be clarified by the client:  max lifting capacity, height (height under hook), tip load and jib length.


Q: What can we do for the clients in the market and after-sale service?

A: There is branch office for us in the kingdom and she could provide any commercial assistance for the clients; our exclusive agent would fully represent lifting machinery for business communication and rapid & professional technical support.



 

 


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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:Tower crane installation, wind speed is greater than 12m/s, wind should stop operation,
This is not on the project department climbed to tower crane to measure wind speed, regardless of height, is listening to the local meteorological station forecast, more than five winds, should stop working.
Q:Lifting mechanism in tower crane: M5. Luffing mechanism: what does "M4" mean? Seek expert answers
It is the work level of the organization, representing the working hours and load sizes of the institution. See GBT/13752 or GBT/3811 for specific explanations.
Q:What parameters are lifting machines called large equipment? 200
General purpose gantry cranes: MG, 440t, MG, 360t, MG, 450t, Me, 360t, ME, 900tGeneral purpose bridge crane: QD, 350t, QD, 400t, QD, 450t, QD, 390t, QD, 330t, QE, 350t, QE, 330tThe above tonnage is now recognized by the state as a large lifting machine.
Q:Tower crane and construction hoist service life? What are the norms and standards? How to detect?
The tower crane service, QTZ40 state (including 40) the following ten years, more than QTZ63, the age of fifteen years, the construction elevator used for ten years; but specific to various provinces and cities are different, such as Jiangsu Province, the 40 tower crane can be used 8-10 years, QTZ63 tower crane used for 15 years, 8 years of construction hoist. Of course, we should not blindly look at the provisions, tower cranes and the use of strength sometimes determines the life of it!
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:Four for crane, two for insurance, two for insurance. What does that mean?
Four limit: torque, ultra high, variable amplitude, walking limit device. Two insurance: hook insurance and reel safety device.
Q:Tower crane 5610 why is it called QTZ63?
QTZ refers to the lifting tower crane, and the 63 is the torque, the unit is tons x meters, generally in accordance with the crane's nominal gravity moment to sub model, which level is close to which model. The latter four numbers, the first two represent larger, the unit is M, and the latter two represent the largest range of maximum lifting weight, the unit is KN
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.
Q:About tower crane torque limiter with 4 limit switches, each play a role, thank you
Hook top point control: when the hook to the high limit, limit action, do not continue to hook!Overload control: when the weight exceeds the overload point or amplitude exceeds the maximum amplitude or the loading rate is more than 105% when the output control, prohibit the hook lifting action and prohibit car distance to allow the car to increase the amplitude, amplitude can be damped near.

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