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Our History:CATET is a technology-based manufacturing company integrating equipment R&D and intelligent manufacturing, and is affiliated to Dongqi Group. The group's brands include: Dongqi Crane,
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Customized Double Girder Overhead Bridge Crane 20 Ton

CATET Machinery Co.,Ltd
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Customized Double Girder Overhead Bridge Crane 20 Ton

Brand Name : Bestaro

Model Number : MH-20TON

Place of Origin : China

MOQ : 1 set

Price : 10000-20000

Certification : CE ISO9001:2015

Delivery Time : 10-15 working days

Packaging Details : export package

capacity : 20tons

working class : A3

hoist type : Wire Rope Electric Hoist

lifting height : 6-30 Meters

span : 5-30 Meters

power supply : 3-phase AC 220- 690V 50HZ

material : Q235B/Q345B

protection class : IP54/IP65

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Product Description:

What is a Gantry Crane?

A gantry crane is a type of crane commonly used for lifting heavy loads in outdoor and large open spaces. Unlike overhead bridge cranes, which are fixed in place, gantry cranes have a bridge supported by two or more legs that run along rails at the ground level, allowing them to move across a large area. They are widely used in ports, warehouses, factories, and construction sites, where heavy objects or containers need to be lifted and moved efficiently.

Main Components of a Gantry Crane:

  1. Bridge:

    • The bridge is the horizontal frame of the gantry crane that spans across the workspace. It holds the hoisting mechanism and runs on the support legs.

  2. Support Legs:

    • These are the vertical structures that support the bridge. The legs often have wheels or tracks that allow the crane to move horizontally across a defined area.

  3. Trolley:

    • A trolley is mounted on the bridge and moves along its length. It carries the hoist or hook and is responsible for moving loads horizontally across the crane's span.

  4. Hoist/Hooks:

    • The hoist is the lifting device that raises and lowers the load. It is typically mounted on the trolley and is powered by an electric motor.

  5. Rails:

    • The crane's support legs often run on tracks or rails, which provide stability and guide the crane's horizontal movement.

Technical Parameters:

Attribute Value
Type Gantry crane
Control system Remote Control, Wire Button Control
Span 5-30 Meters
Lifting height 6-30 Meters
Travelling speed 20-40m/min
Working temperature -20℃~+45℃
Working class A3
Material Q235B/Q345B
Color Customized
Warranty 24months

Types of Gantry Cranes:
Single Girder Gantry Crane:

This crane has a single horizontal beam (girder) that carries the load. It is suitable for lighter loads and smaller spans.

Double Girder Gantry Crane:

A double girder gantry crane uses two horizontal beams, providing greater lifting capacity and stability for heavier loads.

Semi-Gantry Crane:

A semi-gantry crane has one leg running on rails while the other side is supported on a fixed structure, such as a wall. It is typically used in constrained spaces.

Full Gantry Crane:

A full gantry crane has two support legs, each running on rails, providing full mobility and a larger range of lifting capacity.

Working Principle:
Lifting Motion:

The hoist mechanism raises and lowers loads. The hoist is driven by an electric motor, providing precise control over the lifting process.

Horizontal Movement:

The trolley moves along the length of the bridge, allowing the crane to position the load horizontally across the working area.

Crane Movement:

The support legs run on rails, allowing the entire crane to move horizontally across the site. This provides flexibility to cover a large working area.

Advantages of Gantry Cranes:
High Load Capacity:

Gantry cranes are capable of lifting very heavy loads, making them ideal for applications like shipping, industrial manufacturing, and construction.

Versatility:

They can operate without the need for fixed tracks or installations, making them adaptable for various outdoor environments and open spaces.

Efficient Operation:

With their ability to move both horizontally and vertically, gantry cranes allow for fast and efficient material handling.

Stability and Safety:

The design of the gantry crane provides excellent stability, even when lifting heavy or oversized loads.

Applications:
Ports and Shipping: Used for unloading and loading shipping containers and heavy cargo.

Factories and Workshops: Ideal for lifting heavy machinery or large production components.

Construction Sites: Used to move construction materials such as steel beams, concrete, or pre-fabricated structures.

Warehouses and Logistics: Employed in large warehouses to lift and move goods, especially in areas with heavy traffic or limited space.

FAQ:


Q: What is the brand name of the gantry crane?
Answer: The brand name of the gantry crane is Bestaro.

Q: What is the model of gantry crane?
Answer: The model of the gantry crane is MH.

Q: Where are the gantry cranes produced?
Answer: Gantry cranes are produced in China.

Q: What is the load capacity of the gantry crane?
A: The load capacity of a gantry crane depends on its model.

Q: Does the gantry crane have a remote control?
A: Yes, the gantry crane has a remote control.


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