Electric single-girder portal crane

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General

Electrical Hoist Gantry Crane is used together with CD MD Model electrical hoists.It is a track travelling small and medium-sized crane. Its proper lifting weight is 5 to 10 tons, proper span is 12 to 30 meters, its proper working temperature is -25°C to 40°C

It has two controlling methods, namely ground controlling and room controlling.

Feature

1)Power source is three-phase alternating current,rated frequency is 50Hz, rated Voltage is 380V.

2)The altitude height of site is ought to be less than 2000M.

3)Flammable,explosive and corrosive gas are forbidden in the work environment.

4)The crane is forbidden to lift fuse and blend deleterious article and flammable explosive article.

Technical characteristics of single gantry crane

This crane has hard surface gear reducer and steel rope and three-in-one transmission mechanism. Protective functions are as the following: acoustic-optic alarm, hook automatic stop protector, circuit protector and over current and phase lose protection and intelligent limit.

The electric devices adjust speed without contactor spark module and fulfill frequency convert function to reach mini-speed and double speeds, which make travelling and lifting very steady. The operating board (handle) adopts 12V safe voltage.

The electronic controlling can be used more than 2 million times when the voltage is +5~-10% of 380V.

Choosing principle of single gantry crane

According to the working system and using field. Which system you will choose, field should go first.

Calculating the times per hour of starting and pulling-on recycle, you should make the practical time per day and continuous time (h).

When select or appraise, you should be sure such items as field, all the limiting size, ambient temperature, speed, time(h), intermission or continuous, the time of starting and pulling-on per hour, etc.

The above mentioned is just for reference. Reasonable selection, design and match can increase the working efficiency greatly.

Table technical data

Lifting capacity

t

5

10

Span

m

18

22

26

30

35

18

22

26

30

35

Lifting height

m

10

11

10/10.5

11/11.5

Work system

A5

Speed

Main lifting

m/min

9.0

Aux lifting

9.0

Trolley traveling

35

Crane traveling

30

Total power

KW

22.8

25.8

36.8

39.8

Max wheel load

KN

160

166

185

231

233

225

256

239

286

298

Recommended rail

Kg/m

43 kg/m

Power supply

380V, 50Hz, 3P( we can design cranes according to client’s local power source)

Layout

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Q:Gantry hanger skid line corners suitable?
Installation: First, the old installation method: 25 meters to establish a pole, then, select a track and the same length of I-beam, overhead in the upper pole, and wire with a fixed live.
Q:What information is required for the gantry crane?
they want to help deal with gantry crane professional qualification certificate, the general manufacturers can charge d'affaires to provide staff photo information can be.
Q:What is the principle of effort?
It consists of the legs, the ground beam, the main beam, cantilever, electric hoist or car, electrical parts and other components.
Q:Gantry crane how to change the walking speed?
as long as you have this confidence and technical ability can also change your own hands to the best of you can change the product Gearbox convenience
Q:What are the components of the gantry crane?
According to the industry standard GB / T14406 regulations, the gantry crane mainly consists of the following components
Q:What are the double girders of gantry cranes?
According to the different structure of the main beam, can be divided into box beam and truss two forms.
Q:Homemade use of gantry crane need to handle?
Whether it is not autonomous, as long as it belongs to the lifting equipment (jack and the like), the new installation, shift installation or overhaul of the bridge crane must be qualified, and check the formalities before they can be officially put into work.
Q:Can the span of the gantry be customized?
At present, ship cranes, container yard and other cranes are divided into two types, namely, rail container cranes (RMG) and tire container cranes (RTG).
Q:30m box girder to use how much gantry crane?
As for the crane is not recommended, because the crane is very expensive, and not suitable for lifting the prefabricated beam
Q:Container track gantry crane how to change the crane hanging steel?
The trailer will carry the bridge container from the ship to the container rail gantry unloaded to the yard or rear, by the container gantry crane stacking or direct loading and unloading, can speed up the container carrying bridge or other crane turnover.

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