Gantry Crane Manufacturer: 15 Ton Electric Double Girder Gantry Crane for Sale to Singapore

Dongqi double girder electric gantry crane for sale to Singapore is 15 ton lifting capacity. Double girder gantry crane, also called double beam gantry crane is a kind of heavy duty gantry crane, and is also capable of handling large and heavy loads in outdoor workplaces. Dongqi MG type double beam electric gantry crane is composed of two beams, four legs, crane travelling systems, trolley and electric equipment. The lifting capacity of double girder gantry cranes are up to hundreds of tons (5 to 500 tons).

15 ton gantry crane with double girder has many advantages, such as excellent performance, high safety, wide application, and strong versatility. Gantry crane with double girder for sale can be used in outdoor workplaces for loading and unloading operations, such as port, open yard, stockyard, shipyards, warehouse, railway freight station, construction site, etc.

Double Beam Electric Gantry Crane Parameters:

• Lifting Capacity: 5t~500t
• Span Length: 12~35m
• Lifting Height: 6~18m
• Working Class: A5, A6
• Traveling Speed: 28~45m/min
• Lifting Speed: 3.5~12.5m/min
• Note: Accept customized service.

Electric Double Girder Gantry Crane Structure:

• Double welded box beams, with camber line meeting and beyond the national standards.
• High steel degree, and high safety.
• High quality carbon steel Q235B or Q345B.
• Submerged arc automatic welding and nondestructive flaw detection is used.
• 10.9 high strength bolt is used to connect the end truck.
• Separated driving systems is used which make the trinity drive possible, improving the safety and reliability.
• Buffer block and orbital cleaning device are equipped to end beams.

Dongqi electric double girder gantry crane refers to the crane driven by electricity and is one of the most commonly used gantry crane lifting equipment in a large variety of fields including manufacturing, workshop, garage, port, shipyard, freight yard, railway, highway, construction, power station, etc.

• Adopting to double girder box-type welded structures in order to enlarge working space.
• Using anisotropic rail cable conductive device.
• Different modes of power supply can be chosen such as cable reels and sliding wire mode.
• With reasonable structure and price, it can improve the safety and efficiency.
• Light dead weight and strong rigidity.
• All the components conform to standardization, systematization, and generalization.
• Large span length and strong practicability.
• Easy installation and maintenance, inspection before shipped.
• Adapting to many working occasions.

Double Beam Gantry Crane Additional Design:

Trolley Device:

• The trolley parts mainly includes motor, speed reducer, brake, coupling, wheels and coiling blocks.
• No asbestos brake pad and brake block insert use card outfit, safe and reliable.
• Hard toothed surface speed reducer is equipped.
• Separate drives are used for the trolley travelling.
• High loading ability, stable traveling, and long service life.
• Derailment prevention board is used to ensure safety.
• Angle round box and buffer device is used.
• Modular design is available to meet the various needs of customers.

Electric System:

• Module control speed, micro-speed and double speed are available.
• Traveling and lifting smoothly.
• Reasonable designed control box layout is easy to repair.
• High protection class IP55.
• Optional main power source.
• All external cable lines are marked with number.
• Safety smooth touch line, high conductivity, small pressure drop.
• Light dead weight, and convenient to installation.

Protection Devices:

• Shields and barriers are set to prevent the hook clashing the top.
• Circuit self-test protection device is installed.
• Rainproof devices are equipped with lifting mechanism, and electrical control box when the cranes is placed outdoors.
• Anti-collision, sound and light alarm devices.
• Rail clamps are equipped.
• Lifting weight limitation, height limitation, rail clamping devices.
• Speeding protection, zero pressure protection, the lightning protection.

Electric Gantry Crane Operation Tips:

• Before operating the electric gantry crane, it is needed to check the components such as brake, hook, safety devices etc.
• If there is something wrong with the machines, it important to remedy it in time.
• It is also necessary to check the brake to ensure the operation smoothly and reliable.
• During lifting or transporting operations, proper operation of the electric gantry crane can make sure the crane works efficiently and reliably.
• It is forbidden to lift the goods without knowing its weight or its weight is heavier than the lifting capacity of the crane.
• The crane should not be used to lift or transport materials when there is something wrong with the switches or brake safety device.
• After finishing the operations, the hook should be up to a certain height, the crane and trolley should stop at the designated position, the brake handle should be set to zero position, and then cut off the power.
• The maintenance work should be done after finishing the lifting operations.

Dongqi Gantry Crane Manufacturer & Supplier:

As a leading gantry cranes manufacturer & supplier in China, Dongqi Cranes can provide different types of gantry cranes according to different lifting needs and workplaces. Such as, single girder gantry crane, double girder gantry crane, semi gantry crane, truss gantry crane and portable gantry crane, L type single girder gantry crane, U type double girder gantry crane, shipyard gantry crane, rail mounted gantry crane, etc. Welcome to contact us to get custom gantry crane now.