A propulsion electric control system and electric control method for tunnel immersed tube transportation and installation engineering ship

Abstract

The invention discloses a propulsion electric control system and an electric control method for a tunnel immersed tube transportation and installation engineering ship. The central controller on the ship, the switchboard connected to it, and several drive motors; the main engine is provided on the double-hull engineering ship to drive the main propeller, and two sets of shaft belts are also connected to the main engine. Generators, each set of shaft generators is connected to one of the drive motors through the switchboard; each of the drive motors is connected to two cross-connected side thrusters, one of which is the side thruster The propeller is arranged on the bow side of the catamaran-hull engineering ship, and the other side thruster is arranged on the stern side of the catamaran-hull engineering boat. The invention improves the stability and accuracy of the engineering ship during operation.

Description

technical field [0001] The invention relates to a propulsion electric control system on a tunnel immersed tube transportation and installation engineering ship, more specifically, relates to a propulsion electric control system and an electric control method of a tunnel immersed tube transportation and installation engineering ship, which is applied to the tunnel immersed tube transportation and installation engineering ship Navigation tracking and underwater positioning. Background technique [0002] Immersed tube transportation implies that the engineering ship is the necessary engineering equipment for the construction of the pipe tunnel between the island and the island shore. In view of the overall size of the immersed tube reaches 165m (length) × 46m (width) × 10.6m (height), the weight reaches 7.8 The immersed tube needs to be manufactured in a dock on the shore, and then transported to the construction site by ship for installation. How to achieve safe, fast and eff...

AI Technical Summary

Problems solved by technology

[0004] First, it will take a long time to adjust the ballast water balance of the front and rear barges, which will affect the operation efficiency;

[0005] Second, since the barge has no power, multiple tugboats are required for towing, and additional escort ships are required to ensure safe navigation, which affects operational efficiency and increases costs;

[0006] Third, because the barge and the immersed tube are tied together, when affected by waves and tidal currents, it cannot respond and adjust quickly, and can only be adjusted by pulling the tugboat cable, which has poor stability

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