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 are the advantages of gantry cranes?
Gently push and pull by hand, you can reach any location in the operating area
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:How much wind can blow the gantry crane?
So when you need to stop the operation for a long time: must be fixed gantry crane.
Q:Gantry crane in order to prevent the wind movement and anti-collision pier can be together?
Ports and winds are commonly used.Ports and winds are commonly used
Q:Gantry crane installation to inform the required procedures and documents is what?
Is the start of the report, the end of 2009 began to simplify, the landlord can search online, the various local quality supervision bureau for different methods.
Q:China's largest gantry crane is the number of tons?
net height of 80 meters, equivalent to 30 layers of ordinary residential height, The total weight of 5700 tons
Q:35 tons of gantry crane drive wheel derailment how right?
You need professional tools to fork and the top of the oil suspension to its automatic return (the actual wheel, then the operation is more difficult)
Q:30m box girder to use how much gantry crane?
But recommend you use two sets of 60 tons, because a span of 30m above 120 tons gantry crane than two spans of more than 10 meters 30 tons of expensive
Q:Gantry hanging touch line break how to connect the outdoor by the overhead empty?
Vintage 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 is the characterization of the gantry crane?
Gantry crane has a high utilization rate, wide range of operations, wide adaptability, versatility and other characteristics, in the port freight yard is widely used.

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