The main equipment and accessories of the ship include ship propulsion system, navigation and communication system, safety equipment, ship control system, ship lifting and handling equipment, etc.

First of all, the ship propulsion system is one of the core equipment of the ship, the common propulsion system includes propeller, rudder and propulsion machine. The propeller is the main propulsion device of the ship, which generates thrust through rotation to drive the ship forward. The rudder is used to adjust the direction of the ship so that it can sail smoothly. The propulsion machine is a device that provides power, which can convert the energy of the engine into propulsion through a transmission device.

Navigation and communication systems are important equipment for ships, including radar, GPS, sonar and radio communication equipment. Radar can detect surrounding objects and ships through electromagnetic waves, helping ships to determine safe navigation paths and avoid collisions. GPS through the satellite positioning system to determine the exact location of the ship, to provide navigation information. Sonar is used for underwater detection and measurement, which can detect underwater obstacles and depth. Radio communication equipment is used for communication between ships and land or other ships.

Safety equipment is an important equipment to ensure the safety of ships, such as lifeboats, lifebuoys, life jackets, fire alarms and ship deceleration devices. A lifeboat is a small vessel used to evacuate a ship in an emergency and can accommodate and rescue people on board. Lifebuoys and life jackets are emergency rescue equipment for people overboard, providing buoyancy and protection. The fire alarm can detect the fire on the ship and issue an alarm, prompting personnel to escape in time. The ship deceleration device is used to slow down or stop the ship to ensure the safety of navigation.

Ship control system is the key equipment of ship steering, including engine control system, rudder control system and automatic driving system. The engine control system is used to control the start, stop and operation of the engine to ensure that the ship can work normally. The rudder control system is used to control the rotation of the rudder, so that the ship can change direction. The autopilot system can control the course and speed of the ship through automatic control equipment, reducing the workload of the crew.

Ship lifting and handling equipment is used for ship cargo handling equipment, including cranes, lifts and conveyor systems. Cranes can be used to lift heavy cargo, to move cargo from the hold to the shore or from the shore to the hold. The lift is used for vertical transportation of goods, transporting goods from one layer of the cabin to another. The conveyor system can transport goods from one location to another through the transmission system, improving loading and unloading efficiency.

In short, the ship's main equipment accessories include propulsion systems, navigation and communication systems, safety equipment, ship control systems and ship lifting and handling equipment, these equipment accessories together constitute the ship's infrastructure, to ensure the safety of the ship, navigation and handling capacity.