There are various types of cranes, and it's often said that driving is also a part of crane operations. Let the port crane expert explain the key features of different crane models:
Port Crane Expert: To begin with, let’s understand how a crane works:
Crane Operating Principle:
Most cranes use four active and driven wheels for movement. When the lifting capacity increases, more wheels are added to reduce the pressure on each wheel. If the number of wheels exceeds four, an articulated equalization frame is required to evenly distribute the load across all wheels. This ensures stability and safety during operation.
Our factory specializes in manufacturing lifting and mobile equipment:
The main beam is rigidly connected to the end beam, and the ends of the end beams are equipped with wheels that allow the bridge to move along the elevated track. A running track is welded onto the main beam to support the lifting trolley. The main girder of a bridge crane typically comes in three common structures: box-shaped, four-truss, and hollow truss.
The metal structure of the bridge consists of the main beam and end beams, and can be categorized into two types: single-main-beam bridges and double-girder bridges. A single-main-beam bridge includes one main beam and end beams on both sides of the span. A double-girder bridge, on the other hand, has two main beams and end beams.
Features of Beam Cranes:
Beam cranes mainly include single-girder and double-girder bridge cranes.
The main beam of a single-girder bridge crane is usually made from an I-beam or a combination of steel sections and plates. The lifting trolley is often assembled using chain hoists, electric hoists, or other lifting devices.
Based on the support type, these cranes can be either supported on the vehicle beam or suspended from the factory roof. Single-girder bridge cranes come in manual and electric versions. Manual versions have slower speeds and smaller lifting capacities, but they are lightweight, easy to produce, and cost-effective. They are ideal for low-volume operations where power supply is not available. These cranes typically use a manual monorail trolley and a chain hoist for lifting.
Electric single-girder cranes offer higher speed, greater productivity, and larger lifting capacity. They consist of a bridge frame, a trolley running mechanism, an electric hoist, and electrical components.
What is a Gantry Crane?
A gantry crane is a type of bridge crane mounted on two legs, forming a gantry-like structure. It operates on ground tracks and is commonly used in open areas such as storage yards, ports, docks, power plants, and railway freight stations. Its hoisting mechanism, trolley movement system, and overall structure are similar to those of a standard bridge crane. Due to its large span, gantry cranes often use separate drive systems to prevent skewing, reduce resistance, and avoid potential accidents.
Port Crane Expert: To begin with, let’s understand how a crane works:
Crane Operating Principle:
Most cranes use four active and driven wheels for movement. When the lifting capacity increases, more wheels are added to reduce the pressure on each wheel. If the number of wheels exceeds four, an articulated equalization frame is required to evenly distribute the load across all wheels. This ensures stability and safety during operation.
Our factory specializes in manufacturing lifting and mobile equipment:
The main beam is rigidly connected to the end beam, and the ends of the end beams are equipped with wheels that allow the bridge to move along the elevated track. A running track is welded onto the main beam to support the lifting trolley. The main girder of a bridge crane typically comes in three common structures: box-shaped, four-truss, and hollow truss.
The metal structure of the bridge consists of the main beam and end beams, and can be categorized into two types: single-main-beam bridges and double-girder bridges. A single-main-beam bridge includes one main beam and end beams on both sides of the span. A double-girder bridge, on the other hand, has two main beams and end beams.
Features of Beam Cranes:
Beam cranes mainly include single-girder and double-girder bridge cranes.
The main beam of a single-girder bridge crane is usually made from an I-beam or a combination of steel sections and plates. The lifting trolley is often assembled using chain hoists, electric hoists, or other lifting devices.
Based on the support type, these cranes can be either supported on the vehicle beam or suspended from the factory roof. Single-girder bridge cranes come in manual and electric versions. Manual versions have slower speeds and smaller lifting capacities, but they are lightweight, easy to produce, and cost-effective. They are ideal for low-volume operations where power supply is not available. These cranes typically use a manual monorail trolley and a chain hoist for lifting.
Electric single-girder cranes offer higher speed, greater productivity, and larger lifting capacity. They consist of a bridge frame, a trolley running mechanism, an electric hoist, and electrical components.
What is a Gantry Crane?
A gantry crane is a type of bridge crane mounted on two legs, forming a gantry-like structure. It operates on ground tracks and is commonly used in open areas such as storage yards, ports, docks, power plants, and railway freight stations. Its hoisting mechanism, trolley movement system, and overall structure are similar to those of a standard bridge crane. Due to its large span, gantry cranes often use separate drive systems to prevent skewing, reduce resistance, and avoid potential accidents.
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