Tower Crane for Sale,Tower Crane Price Luffing Jib Tower Crane with CE QTD250

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QTD250   Description

Feature: Tower Crane

Condition: New

Application: construction

Rated Loading Capacity: 10ton

Rated Lifting Moment: 1250KN.m

Max. Lifting Load: 10ton

Max. Lifting Height: 100m

Span: 3~50m

Place of Origin: Shandong, China (Mainland)

Brand Name: MEIDA

Model Number: QTD250  tower crane

Certification: ISO,CE,GOST,BV

Warranty: one year

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

Mast section dimension: 2*2*2.8m

Free standing height: 37.5m

Relay elements: Schneider

Rated hoisting capacity max radius: 2ton

Slewing speed: 0.8r/min

Jib length: 50m

Max.lifting capacity: 10ton

Tower Crane Power: 83.1kw

Tower crane Material: Q345B Steel

Tower crane Color: as customers' requirement

QTD250  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.   

QTD250 Specification

 Tower Crane for Sale,Tower Crane Price Luffing Jib Tower Crane with CE QTD250

QTD250  Pictures

Tower Crane for Sale,Tower Crane Price Luffing Jib Tower Crane with CE QTD250

Tower Crane for Sale,Tower Crane Price Luffing Jib Tower Crane with CE QTD250

Tower Crane for Sale,Tower Crane Price Luffing Jib Tower Crane with CE QTD250


QTD250  FAQ

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 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 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 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 a tower crane without a collector?
Once again, because the collector is using carbon brush and copper ring contact, the tower crane work in the sway of the impact is too large, easy to cause carbon brush and copper ring arc between burning. Combined with this reason, today's tower cranes do not use collector. The drawback is that the tower crane can not be one-way one-way rotation. So now the use of rotary limiter, set the tower one-way rotation can only turn 540 degrees, want to turn, can only turn in the opposite direction.
Q:Emergency treatment of interrupted electricity during lifting of tower crane
It is very dangerous to stop the electricity during the lifting of tower crane. Because the slewing brake is missing, the tower crane is very dangerous because the wind rotates.
Q:Notice of tower crane
Installation condition of 3.2 tower crane3.2.1 tower crane has special equipment manufacturing license, product certification, manufacturing supervision and inspection certificate, the tower crane manufactured abroad should have product certification, and has been in the construction administrative departments for registration.3.2.2 tower cranes shall be of complete structure and conform to the provisions of GB5144 "safety regulations for tower cranes".3.2.3 under the following circumstances, tower cranes are not allowed to use:If the state has been eliminated from the designated period of time, exceeding the prescribed service life assessment, the safety devices and safety facilities can not meet the safety and technical standards of the state or industry; there is no complete safety technical file.3.2.4 tower cranes must be maintained and fully checked before they are installed. Structural parts with visible cracks, severe corrosion, overall or partial deformation, connecting shafts (pins), Kong You, severe wear and tear should be repaired or replaced, in accordance with the provisions of the installation.3.2.5 tower crane foundation should meet the requirements of the use manual, the carrying capacity of the foundation must meet the requirements of tower crane design, installation should be carried out before the hidden project acceptance, qualified before installation. Slope and drainage facilities should be built around the foundation.The track foundation and track laying of 3.2.6 walking tower crane shall be carried out according to the instruction manual and shall comply with the provisions of GB5144.
Q:What kind of equipment must be installed on luffing trolley of horizontal luffing tower crane?
It must be installed:To prevent the trolley cable broken car slip away;
Q:Minimum QTZ63 tower crane special electric box open for many A
QTZ63 tower crane with air and leakage protection:Minimum three-phase air switch not less than 100A; at the same time leakage protector is not less than 100A three-phase four wire system leakage protection.Maximum three-phase air switch not greater than 150A; at the same time, leakage protector is not more than 150A of three-phase four wire system leakage protection.
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:Where can I get the tower crane manufacturing permit?
This is the permit of the Bureau of quality supervision
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. The American Standard can provide for your reference:1, hook hanging points in the effective area of cross sectional wear more than 10%, should be disabled and scrapped.2 any visible permanent deformation and cracks shall be disabled and scrapped.3, if the wear is in the same area in two directions, it should be controlled within 5%.4, any hook opening deformation is not greater than 5%, or in accordance with the manufacturer's guidelines to determine.5, hook bow hook (i.e. intermediate position hook C shape) wear amount should be less than 5%.
Q:Ask about the lift and transportation of the jack up tower crane
If it implements specialized subcontracting, it shall be organized by the subcontractor. Led by the security establishment or technician, audit professional and technical personnel to audit the Organization Department of the unit by unit technology, construction technology, safety, quality and other departments, and ultimately approved by the signature of the person in charge of enterprises (393 orders), and the general contractor technology are also responsible to approval.
Q:What type of tower crane does not include tower crane in variable amplitude mode?
Tower crane, tower crane.Tower crane according to its different types, there are the following classification methods.(1) divided by structure type of fixed tower crane by connecting a fixed tower in the foundation or structure, tower crane lifting operation.Mobile tower crane: a tower crane with running device and can walk.

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