What Is A Gantry Crane?

What is a gantry crane? Speaking of gantry crane definition, as the deformation of the overhead cranes, it is a gantry lifting equipment that used in different working occasions, such as container port, shipyards, dock, offshore, etc. For its appearance and structure looks like a portal or a gate, it has been called gantry crane.

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Single Girder Gantry Crane

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European Standard Gantry Crane

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Basic Component and Structure of Gantry Crane

What is a gantry crane? A crane gantry mainly consists of bridge, supporting legs, electric control system, crane travelling system, trolley travel mechanism, lifting mechanism, cab, etc.

Basic Frame of A Gantry Crane

The basic frame of gantries such as main beam and supporting legs are composed of box-shaped or truss structure. Different structures are of their own advantages. Box-shaped crane is for the advantages of strong-rigidity and easy-maintenance, while the truss-shaped structure is of strong wind-resistance ability but light lifting capacity. Different designs of gantry cranes are used on different work occasions.

gantry crane components
Main Parts of Gantry Crane

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Electric Control System

Electric control system for gantry crane mainly refers to gear reducer, brakes, electric motor, etc. The three of them control the travelling of the crane and trolley machines.

Crane and Trolley Travelling Systems

Crane travelling system and trolley travel mechanisms can achieve running once energized. And there are three power supply mode of gantries, cable reels supply, diesel generators and sliding wires supply.

We adopt advanced level wheels in the crane. All wheels are of compact structure and smooth moving, which ensure the smooth operation and high-safety of the whole set.

Settings Of the Cab

Ground operation and air operation are two forms of gantry crane. In order to decrease the labor intensity and guarantee safety of the operators, it is necessary to install a cab on the crane, besides, operators control in the cab can also increase the accuracy of the goods and materials handling. Cab control features wider view and safer operation.

cab
Gantry Crane Cab

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Gantry Crane Types and Parameters 

Main Gantry Crane Models:

Single Girder  A-frame Hoist Gantry Crane

L-style Single Girder Gantry Crane

U-frame Double Girder Gantry Crane

A-frame Double Girder Gantry Crane

Single Girder/Double Girder Semi Gantry Crane

European Standard Gantry Crane

Portable Gantry Crane

Single Girder/Double Girder Truss Gantry Crane

Rail Mounted Gantry Crane

Rubber Tyred Gantry Crane

Gantry Crane Parameters:

AQ-MH Type

Technical Parameter of  AQ-MH Electric Hoist Gantry Crane
Capacity t 3 5 10 16 20
Span S(m) 8~35 8~35 8~35 8~35 8~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 8(0.8/8) 8(0.8/8) 7(0.7/7) 3.5(0.35/3.5) 3.3(0.33/3.3)
Trolley speed m/min 20(30) 20(30) 20(30) 18 14
Crane speed m/min 20(30) 20(30) 20(30) 20(30) 20(30)
Work duty A3~A4 A3~A4 A3~A4 A3~A4 A3~A4
Track type P24 P24 P30 P30  P38 P38 P38  P43

AQ-BMH Type

Technical Parameter of AQ-BMH Electric Hoist Semi Gantry Crane
Capacity t 3 5 10 16 20
Span S(m) 8~30 8~30 8~30 8~30 8~30
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 8(0.8/8) 8(0.8/8) 7(0.7/7) 3.5(0.35/3.5) 3.3(0.33/3.3)
Trolley speed m/min 20(30) 20(30) 20(30) 18 14
Crane speed m/min 20(30) 20(30) 20(30) 20(30) 20(30)
Work duty A3~A4 A3~A4 A3~A4 A3~A4 A3~A4
Track type P24 P24 P30 P30  P38 P30  P38 P38  P43

AQ-MHH Type

Technical Parameter of AQ-MHH Electric hoist Gantry Crane
Capacity t 3 5 10 16 20
Span S(m) 8~35 8~35 8~35 8~35 8~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 8(0.8/8) 8(0.8/8) 7(0.7/7) 3.5(0.35/3.5) 3.3(0.33/3.3)
Trolley speed m/min 20(30) 20(30) 20(30) 18 14
Crane speed m/min 20(30) 20(30) 20(30) 20(30) 20(30)
Work duty A3~A4 A3~A4 A3~A4 A3~A4 A3~A4
Track type P24 P24 P30 P30  P38 P30  P38 P38  P43

AQ-DMH Type

Technical Parameter of  AQ-NMH European electric hoist Gantry Crane
Capacity t 3.2 5 10 16 20
Span S(m) 8~35 8~35 8~35 8~35 8~35
Lifting height m 6~12 6~12 6~12 6~12 6~12
Lifting speed m/min 0.8/5 0.8/5 0.8/5 0.66/4 0.66/4
Trolley speed m/min 2~20 2~20 2~20 2~20 2~20
Crane speed m/min 3~30 3~30 3~30 3~30 3~30
Work duty A5 A5 A5 A5 A5
Track type P24 P24 P30 P30  P38 P30  P38 P38  P43

AQ-MG Type

Technical Parameter of  AQ-MG Double Girder Gantry Crane
Capacity t 5 10 16 20 32
Span S(m) 18~35 18~35 18~35 18~35 18~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 11.5 8.5 7.9 7.2 6
Trolley speed m/min 37.2 37.4 40.1 40 37
Crane speed m/min 37.7 37.7 40.1 40.1 38
Work duty A3-A7 A3-A7 A3-A7 A3-A7 A3-A7
Track type P43 P43 P43 QU70 P43 QU70 P50 QU80
Capacity t 50 75 100 160 200
Span S(m) 18~35 18~35 18~35 18~35 18~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 5.9 4.7 3.9 3.5 3.5
Trolley speed m/min 31.3 38.2 33.9 22.5 29
Crane speed m/min 44 38.3 32.3 28 28
Work duty A3-A7 A3-A7 A3-A7 A3-A7 A3-A7
Track type QU80 QU80 QU100 QU100 QU100
Capacity t 250 320 400 450 500
Span S(m) 18~35 18~35 18~35 18~35 18~35
Lifting height m 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 2.2 2.3 1.5 1.5 1.5
Trolley speed m/min 28 16.6 10 10 11.5
Crane speed m/min 50 28 18 18 16
Work duty A3-A7 A3-A7 A3-A7 A3-A7 A3-A7
Track type QU120 QU120 QU120 QU120 QU120

AQ-BMG Type

Technical Parameter of AQ-BMG Double Girder Semi Gantry Crane
Capacity t 5 10 16 20 32
Span S(m) 12~30 12~30 12~30 12~30 12~30
Lifting height m 6~12 6~12 6~12 6~12 6~12
Lifting speed m/min 11.5 8.5 7.9 7.2 6
Trolley speed m/min 37.2 37.4 40.1 40 37
Crane speed m/min 37.7 37.7 40.1 40.1 38
Work duty A3~A6 A3~A6 A3~A6 A3~A6 A3~A6
Track type P43 P43 P43 QU70 P43 QU70 P50 QU80

AQ-MDU Type

Technical Parameter of MDU Double Girder Gantry Crane
Capacity t 10 16 20 32 40 50
Span S(m) 18~35 18~35 18~35 18~35 18~35 18~35
Lifting height m 6~18 6~18 6~18 6~18 6~18 6~18
Lifting speed m/min 13.3 7.9 7.2 6 5.9 5.9
Trolley speed m/min 37.4 40.1 40 37 31.3 31.3
Crane speed m/min 41 40.1 44 40.1 40.1 40.1
Work duty A5-A6 A5-A6 A5-A6 A5-A6 A5-A6 A5-A6
Track type P43 P43  QU70 QU70 QU80 QU80 QU100

Gantry crane specification plays a vital role in installing and maintaining the crane, and the gantry crane’s service life is likely to be extended by complying with the crane specifications strictly.

Main Applications

This kind of product is widely used in different kinds of places such as rail-way lines, warehouses, docks, material yards, shipyards, container ports, etc. Nowadays, it has been regarded to be the necessary machinery equipment of improving the labor conditions and efficiency.

It mainly used with different types of electric hoists or lifting hook for general lifting purposes, if it is necessary to use in other special environment, please contact us, we can provide best solution to you.

Gantry Crane Features and Advantages

  • Widely used in outdoor and indoor places for material handling works.
  • Compared with overhead crane, gantry crane is of low demand on the plants.
  • Once exceed to 30 meters in span length, flexible leg and rigid leg need to be set to improve the safety of gantries.
  • Ground sill is required in heavy-duty gantry cranes.
  • Cantilever cranes need to be used with saddle to improve safety.
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Double Girder Gantry Cranes

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Gantry Crane Innovation and Breakthrough in Technics

  • Our electric control system adopts to the advanced lever ABM three-in-one or SEW three-in-one motor, which proves the integration of gear reducer, brakes and electric motor.
  • Advanced buffer and intelligent overhead limiter ensure safety operation.
  • First-class emergency shutdown system in our Gantry crane.
  • Guard net in trolley travelling mechanism to protect safety.
  • European type crane and electric hoist can be matched to enhance working efficiency and extend lifetime services.
  • your list content

Installation and Debugging

The operator must install the crane with its qualified license.

Practical setup project should be scheduled before installation.

Debugging the machine after installing the crane, rectify and debug until it come up to the national standard.

Test and Examination

Inspection and acceptance of the structure, basic dimension of the crane at buyer’s site.

Testing loading capacity after installation and debugging, going approval rating and filling in the inspection report.

Safe Operation

The qualified operators should operate the gantry crane according to the safe specifications strictly in order to protect the crane safety.

Equipment Maintenance

Carrying out routine maintenance according to maintenance plan, ensuring the crane is in line with safety requirements.

Besides, our company can help the customer do crane repair if it is necessary.


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