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Where Are Gantry Cranes Used?

2021-03-22|Product News

Gantry crane is a variant of bridge crane, also called gantry crane. Its metal structure is like a door-shaped frame, with two supporting feet installed under the main beam, which can walk directly on the track on the ground, and the two ends of the main beam can have outhanging cantilever beams. Mainly used for outdoor cargo yard, stock yard cargo, bulk cargo loading and unloading operations. Gantry cranes have the characteristics of high site utilization, large operating range, wide adaptability and strong versatility, and are widely used in port freight yards.

Double girder gantry cranes is suitable for the handling and loading and unloading of international standard containers. The container adopts the form of traction trolley, which makes the whole machine structure light, advanced performance, high production efficiency, good maneuverability and low sensitivity to ground unevenness. The whole machine is powered by a cable reel.

MG Double Beam Gantry Crane with Hook

MG type double beam gantry crane with hook is mainly composed of mast, crane trolley, cart operating mechanism, driver's cab and electrical control system.

The door frame is a box-shaped structure, the main beam adopts the double-beam off-track form, and the outriggers are divided into A-shaped and U-shaped according to user requirements.

The operation method adopts a closed cab, with adjustable seats, insulating mats on the bottom plate, tempered glass windows, fire extinguishers, electric fans, heating and cooling air conditioners, buzzers, walkie-talkies and other auxiliary equipment can be configured according to user requirements.

MG type double beam hook gantry crane

MG Gantry Crane for Subway Construction

The MG type gantry crane for subway construction is a special gantry crane developed on the basis of the general gantry crane according to the requirements and working conditions of underground construction. It is specially used for turning over soil and lifting objects during underground construction.

The crane is composed of a trolley, a mast, a cart operating mechanism, a hydraulic turning mechanism, a cab and electrical equipment.

The trolley is equipped with a hydraulic turning mechanism, which is composed of a hydraulic work station and a slag turning hook.

There is a hook in the middle of the hanging beam for lifting general objects.

The operating mechanism of the cart adopts 8-wheel 4-drive form. The motor fixed on the trolley drives the wheels through a vertical reducer, and is equipped with a windproof rail clamp. When the crane is working normally, the clamp of the rail clamp leaves the track. When the crane stops working, the operator puts the clamp down , Clamp the track to prevent the crane from sliding.

The direction of soil dumping depends on the construction site.

MG type gantry crane for subway construction

MG Double Beam Truss Gantry Crane

The MG type double beam truss gantry crane is mainly composed of a gantry, a crane trolley, a cart operating mechanism, a cab and an electrical control system.

The portal frame is a truss structure, which has the advantages of light structure and strong wind resistance. Including main beams, upper beams, outriggers, lower beams, walking trolleys and walking platform railings, etc. The main beam adopts a triangular truss structure with tracks laid on it for the crane trolley to move laterally in the direction of the main beam. The outrigger is a truss structure, which is assembled and welded by section steel. The walking platform is used for placing electrical equipment and for maintenance purposes, and there is a protective railing on the outside.

The operation method adopts a closed cab, with adjustable seats, insulating mats on the bottom plate, tempered glass windows, fire extinguishers, electric fans, heating and cooling air conditioners, buzzers, walkie-talkies and other auxiliary equipment can be configured according to user requirements.

MG double beam truss gantry crane

ME Shipbuilding Gantry Crane

ME type shipbuilding gantry crane is a gantry crane with large lifting capacity, large span and large lifting height, which is specially used for large-scale hull section transportation, docking and overturning operations in the dock.

Main technical features:It has multiple functions such as single hoisting, lifting, turning in the air, and turning slightly in the air; ·The mast has two types of single main beam and double main beam. In order to use materials reasonably, the main beam adopts variable cross-section optimization design; The upper trolley is equipped with double main hooks, which are respectively placed on the two outer sides of the main beam; ·The lower trolley is equipped with main and auxiliary hooks, which are placed in the center of the two main beams; ·The upper and lower trolleys can pass through each other; ·All working mechanisms are adopted Frequency conversion speed regulation; ·The top surface of the main beam on the rigid outrigger side is equipped with a jib crane to complete the maintenance of the upper and lower trolleys; ·In order to prevent storms, safe and reliable wind-proof devices such as rail clamps and ground anchors are installed.

ME type shipbuilding gantry crane

MGg Road-Bridge Gantry Cranes

MGg road bridge gantry cranes are mainly used for bridge construction and have a slow working speed. They are composed of a gantry, a winch trolley, a cart operating mechanism, a driver's cab and an electrical control system.

The portal frame is a truss structure, which has the advantages of light structure and strong wind resistance. Including main beams, upper beams, outriggers, lower beams, walking trolleys and walking platform railings, etc. The main beam adopts a triangular truss structure with tracks laid on it for the trolley to move laterally in the direction of the main beam.

The outrigger adopts two forms: box shape or steel tube.

The trolley is equipped with a hoist, which is compact in size and light in weight.

The operation of the cart adopts a cycloid pin-wheel reducer, a soft-start motor, eight-wheel four-drive, and it runs smoothly.

The operation method adopts a closed cab, with adjustable seats, insulating mats on the bottom plate, tempered glass windows, fire extinguishers, electric fans, heating and cooling air conditioners, buzzers, walkie-talkies and other auxiliary equipment can be configured according to user requirements.

MGg road and bridge gantry cranes

Doube Girder Semi Gantry Crane

The doube girder semi gantry crane with hook is mainly composed of gantry, crane crab, trolley travellng mechanism and electric control system.

The gantry, of a box-shape structure, has a leg at its one side and runs along the ground rails, and has no leg at the other side and runs alone the rails on the factory workshop.

The closed cab is employed for operation Where there are adjustable seat, insulating mat on the floor, toughened glass for the window fire extinguisher, electric fan and auxiliary equipment sucn as air conditioner, acoustic alarm and interphone which can be furnished as required by users.

The rest structure and configuration are the same as the MG double-girder gantry crane.

The doube girder semi gantry crane

ARTICLE TAGS:bridge crane,double girder gantry crane,double girder gantry crane design,gantry crane,jib crane
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