Gantry crane is used in outside of building or some place where is difficult to install the rail for bridge crane. The difference from bridge crane is the type of rail, gantry crane’s rail is installed on the ground. So the same capacity of gantry crane will be heavier than a bridge crane, because the gantry crane include the support pillar.

There are three mains types of gantry crane:

1. Conventional Gantry Crane

It is the traditional gantry crane, by different kind of support pillar of crane, traditional gantry crane can be divided into box-model gantry crane and truss-model gantry crane. The gantry crane can have single girder or double girder, so it can be divided into single girder gantry crane and double girder gantry crane. Among them, box-model single girder gantry crane is the most common used crane. It is consisted by main girder, support pillar, lifting unit, rail and control system. Its lifting unit is usually an electrical hoist, the appearance of support pillar can be “A”, “L” or “C”.
 

⇒ Gantry Crane Features:

Girder Single or double girder
Type of Support Pillar Box & Truss
Appearance of Pillar “A”; “L” ; “C”
Lifting Capacity 2-200 tons
Lifting Height 6-22m
Span 12-40m
Lifting Speed 8/0.8m/min; 7/0.7m/min; 6/0.6m
Travelling Speed 20/30/40 m/min
Controlling Room Clients requirement
Operation Mode By controlling room or remote controlling
Working Grade A3-A5
Electricity 3 phase/380v/50Hz
Crane Rail 24;38;43;50;QU80;QU100


 Conventional-gantry-crane   The gantry crane can have single girder or double girder, so it can be divided into single girder gantry crane and double girder gantry crane.
Conventional-gantry-crane




2. Semi Gantry Crane

If we want to build a gantry crane against the outside wall of building ,we choose a semi gantry crane which is fit for such a place. Because one side of support pillar can be replaced by building’s pillar, so we just put the rail on these pillar, the gantry crane will have only one side of support pillar on the rail on the ground. This kind of gantry crane can save space and materials cost.
 

⇒ Semi Gantry Crane Features:

Lifting Capacity 2-10 tons
Lifting Unit Electric hoist
Lifting Height 6-9m
Span 10-20m
Lifting Speed 8/0.8; 7/0.7m/min
Travelling Speed 20 m/min
Operation Mode Remote controlling
Working Grade A3-A5
Electricity 3 phase/380v/50Hz
Wheel Diameter 270; 400


Semi-gantry-crane    If we want to build a gantry crane against the outside wall of building ,we choose a semi gantry crane which is fit for such a place.
Semi-gantry-crane




3. Mini Gantry Crane

This is a small size gantry crane which is widely used in many workshop, storage or open space. The mini gantry crane doesn’t need the rail ,the whole body was equiped of four wheels, so it can be pulled by hand or by vehicles. The lifting unit can be electric hoist or manual hoist, the lifting capacity is low. Because of mobility, the mini gantry crane is more useful than other gantry crane, the cost is very cheap.
 
⇒ Mini Gantry Crane Features:

Lifting capacity 0.5-5 tons
Lifting unit Electric hoist & Manuel hoist
Lifting height 2-4m
Span 2-4m
Length of girder 2-3m
Travelling speed <10m/min
Main girder I beam
Operation mode Manual control
Working grade A3-A5
Electricity 3 phase/380v/50Hz
Wheel Steel wheel


Mini-gantry-crane  The mini gantry crane doesn’t need the rail ,the whole body was equiped of four wheels.
Mini-gantry-crane

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