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:What is the truss beam of gantry crane?
The use of angle or I-beam welded from the structure, the advantages of low cost, light weight, good wind resistance.
Q:Gantry crane track is installed in the concrete structure, how to adjust the level?
in the buried spear when the basic leveling, but also in the solidification of the time to adjust to find a flat,
Q:What are the advantages of gantry cranes?
In operation, press the button to lift the load, the use of beam bending and rotary motion, in the control of the work area to avoid the object, so that the work area to maximize.
Q:Gantry crane how to change the walking speed?
Replace the entire gearbox to replace him with 30 or 45 digits representing the number of meters running in one minute
Q:What is the gantry of the gantry?
Applicable to the use of frequent or heavy weight of the site or beam field.
Q:What is the gantry crane gantry?
Box girders also have high cost, since the major, poor wind resistance and other shortcomings.
Q:What is the main girder of the gantry crane?
C-shaped feet made of inclined or curved, the purpose is to have a larger horizontal space, so that the goods successfully through the feet.
Q:Gantry crane a general set of PLC control system to how much money?
3. Control cabinet and cabinet installed instrument control lines, signal lines, ground lines and so on.
Q:What is the difference between a gantry crane and a gantry crane?
Has a rail run along the ground, the lower can be through the railway vehicles or other ground vehicles.
Q:How can there be a test gantry?
I opened a four-year gantry crane, the card has expired, and rest for a year, and now want to find this work, to Hong Kong school that is not Ningbo port people can not registe

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