Gantry Crane

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Types of Gantry Crane

01/

Single Girder Gantry Crane
Single girder gantry crane is designed for material handling, with a lifting capacity of about 1 to 32 tons and a working level of A3.

02/

Rubber Tyred Gantry Crane
Rubber tyred gantry crane gets rid of the dependence of traditional cranes on tracks and uses specially made large tires as support. It can adapt to

03/

Single Girder Semi Gantry Crane
Single girder semi gantry crane is a crane with one end of the bridge beam directly supported on the track and the other end supported on the track through the outriggers.

04/

Portable Single Gantry Cranes
Portable single gantry cranes reforms the principle and structure of traditional gantry cranes, cancels the track on which the crane relies, and directly drives the crane to operate with polyurethane wheels or tires.

05/

Double Girder Gantry Crane
Double girder gantry crane is a gantry crane with good stability designed and manufactured for large lifting capacity (5-500t) and medium span (5-50m).

06/

Double Girder Semi Gantry Crane
Double girder semi gantry crane is a common lifting equipment, which consists of two parallel main beams, one of which spans the working area, while the other only covers part of the working area.

Single Girder Gantry Crane Specifications

MH series Single Girder 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	6~20	6~20	6~20	6~20	6~20
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		A3	A3	A3	A3	A3
Track type		P24	P24 P30	P30 P38	P30 P38	P38 P43

Advantages of Gantry Crane

Highly Adaptable

Gantry crane can be easily moved from one location to another with the help of its wheels or rails, making it a perfect solution for businesses that require frequent changes in their work area.

High Load-Bearing capacity

Another advantage of the gantry crane is its high load-bearing capacity. These cranes can lift and move heavy objects with ease, thanks to their sturdy construction and powerful motors.

Precision and Safety

Gantry cranes also offer a high degree of precision and safety. They are equipped with advanced control systems and safety features that help operators to perform their tasks with accuracy and confidence.

Cost-Effective

They require minimal maintenance and can be operated with relatively low energy consumption. Making gantry cranes an excellent investment for any company.

Application of Gantry Crane

Construction: Gantry cranes aid in lifting heavy construction materials, such as steel beams, concrete blocks, and pre-fabricated structures.

Shipping and Logistics: Gantry cranes are essential in loading and unloading containers from ships and trucks in ports and container yards.

Manufacturing: They assist in moving and positioning large machinery and equipment in manufacturing plants.

Railway Maintenance: Gantry cranes are used for railway track maintenance, lifting heavy components like railway sleepers and track sections.

Aerospace: Gantry cranes are utilized to assemble and maintain aircraft and aerospace components.

Comparison Between Overhead Crane and Gantry Crane

Feature	Overhead Crane	Gantry Crane
Support Structure	Mounted on building beams (permanent)	Self-supporting legs (movable)
Lifting Capacity	Generally higher (up to 500+ tons)	Lower (typically up to 20 tons)
Work Area	Fixed within the building footprint	Covers a designated area (can be entire facility)
Mobility	Limited (requires runway extension for additional coverage)	More flexible (can be moved on tracks or wheels)
Suitability	Ideal for heavy-duty lifting indoors	Ideal for versatile lifting needs, both indoors and outdoors

Gantry Crane Installation Requirements

Before the installation and erection of gantry crane, it is necessary to fully grasp the performance and characteristics of the crane, thoroughly understand the installation and erection sequence and method specified in the operation manual, and strictly abide by it.

When installing and erecting, pay attention to wind speed changes. The wind speed must conform to the design regulations, and generally should not exceed 13m/s.

The connection between the crane parts is correct and reliable. During installation and erection, attention should be paid to observation and monitoring, unified command and reliable contact.

Lifting equipment and hoisting rigging should be strictly checked before use.

Observe the requirements of the use and installation of the wire rope, and do not produce hard bends, cage distortion, loose strands, broken wires and exposed cores.

The components must be installed in strict accordance with the design regulations, and they must not be canceled, replaced or added at will. Any modification must be approved by professional and technical personnel before they can be implemented.

Carefully observe the requirements of the lifting equipment capacity, the quality of the lifting components, the position of the center of gravity, the overall dimensions, and the height of the lifting point in the gantry crane manual.

Before lifting materials, after carefully checking the lifting equipment and hoisting rigging, a trial hoist should be carried out to confirm that it is safe and reliable.

Packaging

Other Services

Warranty: The buyer's warranty is valid for 12 months from the date of delivery to the end of the period.

Return Policy: If the buyer returns the equipment due to quality problems, and the third-party testing agency issues the inspection quality report, the Seller is responsible for the cost of recovering the equipment, and refund the amount of the contract equipment within one week after determining the return process. The seller shall not be liable for all other consequential losses.

Shipping method: The most often shipment method is by sea,which is cheaper than by air. It depends on clients' decision. We will try our best to help you.

Payment Methods: We have many kinds of payment for your reference ,such as Western Union, Paypal, L/C, T/T, Credit Cards and so on.

Trade Terms: We have EXW, FOB, CIF, CFR for you to choose, and we can change according to your requirements.

Lead Time: The lead time for custom cranes average 6 to 14 weeks, depending on the specific project.

FAQ

Q: What are the safety rules for gantry cranes?

A: Remove slack from the sling, chain, or cable before lifting a load. Loads should not be suspended over personnel below. Never allow anyone to ride on the hook or load at any time. Never leave the controls unattended while a load is suspended.

Q: Does a gantry crane require a track?

A: A gantry crane on casters has no need for a track or predetermined path, if the floor is flat and level. However, this limits the lifting capacity of a gantry crane, as the contact points on the casters bear the weight of the entire load, creating a weak spot.

Q: Do gantry crane operators need to be certified?

A: OSHA requires employers to ensure that their crane operators are certified (29 CFR 1926.1427), which mandates that the operator demonstrate sufficient knowledge and skill through both written and practical tests.

Q: How often should gantry cranes be inspected?

A: OSHA requires that all active cranes must be inspected once a year at the minimum. However, depending on the crane's usage, additional inspections will be required.

Q: What is the lifespan of a gantry crane?

A: The lifespan of gantry cranes is usually 10 to 15 years. Besides, heavy duty cranes always lift large loads, making metal structures and stressed parts more likely to deform and crack. The lifespan of special cranes like Metallurgical Cranes, is shorter, generally 10-15 years, with maintenance and inspections.

Q: Can you move a gantry crane while loaded?

A: Use extreme caution when moving a gantry crane under load. Keep the load as close to the floor as possible and position the load in the center of the I-beam. Push the gantry crane; DO NOT push the load and do not use a lift truck or other vehicle to push or pull the gantry crane.

Q: What is the factor of safety for gantry crane?

A: In the US, the safety factor must be between 2:1 and 3:1 for hoisting devices. Employers must ensure that the load capacity of the gantry crane is not exceeded and that the crane is used only for its intended purpose.

Q: What is the maximum span of a gantry crane?

A: Gantry cranes are mounted on rails installed on the ground whereas semi-gantry cranes have one side of rails mounted on the elevated runway. The maximum load capacity of these cranes can reach up to 100 t, the maximum span up to 40 m, and the lifting height up to 15 m.

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