MH Single Girder Gantry Crane

single girder gantry crane is a type of light small gantry crane with a single girder and rail travelling. The single girder gantry crane is designed for generally material handling, with the lifting capacity around 1 to 20 tons, and working class A3, or A4. The specification of the single girder gantry crane is as follow:

Components of Single Girder Gantry Crane

Single girder gantry crane is mainly consisted of gantry frame, i.e. main single girder, legs, bottom end beams, lifting mechanism, travelling mechanism, and electrical control. It can be designed with two hanging arms, one hanging arm or no-hanging arm according to client's lifting requirements and application environment.

Single girder gantry crane drawing

Box type v.s. Truss type single girder gantry crane 

Single girder gantry crane can be divided into box type single girder gantry crane  and truss type single girder gantry crane. What is the differences of the types of single girder overhead crane? Read on. 

Box Type Single Girder Gantry Crane

The box type single girder gantry crane is a medium sized crane, travelling in track , usually equipped with standard CD MD electric hoist as the lifting mechanism, and the electric hoist traversing along the lower flange of the I- steel of the main girder, which is made of high quality steel plates, such as, C-steel and I-steel.

Truss Type Single Girder Gantry Crane

The struss single girder gantry crane is type of truss gantry crane. The truss single girder gantry crane differentiates itself with the box type crane in terms of structure construction. The former is made of steel bars and the latter is made of steel plates. The truss gantry crane is much lighter than that of the box type gantry crane and it has high wind resistance. 

Single girder truss crane - Dongqi single girder gantry crane for sale

The single girder truss crane can be applied on many different work occasions, such as port, shipyard, railway line and material yard. Truss semi gantry crane only has two support legs on the one end and the other end of the crane needs support from building or other structures, and it can travel along the track.

Features of single girder truss crane

• The structure of main girder is triangular truss, which strengthens the whole structure, lightens the weight, and enhances wind resistance. Wind resistance is class 6, non-working wind resistance is 11;
• Thermal expansion seamless steel legs are jointing with (or truss legs) and the main girder, ground girder by the bolt or pin connections. Stable structure, easy installation and removal.
• The design and manufacture of the truss crannies to meet the national requirements of rules and standards which is effective currently and the need for using under special meteorological conditions.
• It’s environmental machine, which complies with environmental requirements relevant laws and regulations;
• Both main and auxiliary legs can be dismantled so as to transport conveniently and save cost on shipping.
• The truss crane can adopt ground control or cab control.

Application of Single Girder Gantry Crane

Single girder gantry crane is regular crane, designed for general material handling , which is frequently used at open ground, warehouse, ports, granite industry, cement pipe industry, open yard, container depots and shipyards, etc. However, it is forbidden to handle melt metal, inflammable, or explosive objects.

Advantages of Single Girder Gantry Crane

• Simple structure, Easy installation
• Good usability and high performance efficiently
• Low and easy maintenance
• Standardized, generalized and serialized parts.

Safety Feature

• Overload protection devices is equipped which will give a sharp alarm warning when overloads happen.
• Limit switches is used to prevent over lifting or lowering of the crane hook.
• High quality polyurethane buffer is used to ensure a long time working life.
• Room control and remote control are available for the sake of your operator’s safety.
• Low voltage protection is used in case of the unstable voltage supply.
• Emergency stop button is installed to brake the equipment when emergency happens.
• Current overload protection system and others, etc.

Single Girder Gantry Crane Turnkey Projects of Dongqi Crane 

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Box girder gantry crane for sale Guatemala - Dongqi gantry crane turnkey project

Gantry crane specifications of Dongqi Crane

Get your custom gantry crane design

Gantry Crane：crane span and lifting height

In order to give you suitable gantry crane solution and specific gantry crane price promptly, please help our gantry crane engineer to confirm the following information as much as possible:

1. Types of gantry crane: (Single girder or double girder? Semi gantry? portable gantry crane? )
2. Capacity:
3. Span:
4. Height of Lift:
5. Power supply: (3phase? Voltage? Hz?)
6. Cantilever: (2 cantilever, 1 cantilever, no cantilever)
7. Bay/ Travelling Length:
8. Quantity:
9. Operation: Through Pendant/Radio Remote/Cabin Control
10. Indoor/Outdoor:
11. Application: (What are you planning to lift?)
12. Environment: (Normal/ hazardous)
13. Building drawing if possible
14. Location:
15. Industry type: (Eg: Auto, steel, sugar, stone, etc.)
16. Rail Existing/New: (Size in case of Existing)
17. Number of Cranes in bay:
18. Existing Structure/New Structure:
19. Your full company address and contact details:

If you do not know about how to select the gantry crane, please feel free to leave us a message or email to sales@cranesdq.com. The reply of our gantry crane engineer will be given within 24 hours. Get your custom design gantry crane.

Crane services of DQCRANES

DQCRANES can provide overall services for all types of industries cranes, and the main services are as follow:

	Crane project design Cranes designed by DQCRANES will solve any of your crane problems and material handling problems without spending any unnecessary expenditures.
	Crane Installation EASAY installation, wonderful working performance. DQCRANES can provide on-site crane installation services and our crane engineers will be at your services when necessary.
	Lifetime Maintenance Crane maintenance from DQCRANES ensures your safety and working efficiency.
	Crane operator Training DQCRANES training includes crane operation, maintenance and inspection, and crane spare parts, etc.
	Technical support The powerful technical support of DQCRANES will solve your crane technical problems.
	Crane parts DQCRANES parts will renew your cranes.