RU2177428C1 - Transport trimaran - Google Patents

Abstract

FIELD: shipbuilding; building transport trimarans for carrying ice bars and watercraft in form of container-barges (barcons). SUBSTANCE: transport trimaran has center hull with walls and hold gate in fore portion. Shipboard power plants are arranged in all three hulls. Side hulls are provided with hold gate in fore portion. Holds of all three hulls are provided with double heat-insulated walls. EFFECT: updating of cargo handling operations; facilitated cargo handling operations. 2 dwg

Description

 The invention relates to shipbuilding, and in particular to the construction of ships and their holds, intended for the transport of ice beams and floating vessels - barcones with the goods placed in them.

 The purpose of the present invention is to improve the handling operations.

 Known vessels for the transport of goods (US 4348972 A, SU 1217717 A, SU 1625768 A and FR 2533192 A), including the main hull, lifting and unloading devices and other deck equipment, as well as auxiliary hulls on the sides of the main hull.

 A disadvantage of previously known technical solutions is the small maneuverability of the vessel, especially at low speeds, a large inertial braking distance, and a relatively low speed of cargo handling.

 This goal is achieved in that the trimaran contains a middle hull with double walls and marine power plants in all three hulls. The bow parts of all hulls contain hold gates. The holds of all hulls are made with double insulated walls.

 The figure 1 shows a diagram of a trimaran transport vessel.

 The figure 2 shows a diagram of the middle (side) hull of a trimaran with opening bow hold gates.

 Vessel 1 consists of three hulls (Fig. 1): middle hull 2 and side hulls 3. All hulls are equipped with ship power plants. All hulls of the vessel are cargo. Cases are fastened to each other by various interframe mounts. The bow of the middle body 2 consists of a bow hold gate 4 and a solid upper part 6. The bow parts of the side shells 3 consist of a bow hold gate 5 and a solid upper part 6. The height of the surface part 6 of the gate alignment allows for the passage of the surface part of the ice beam during loading and unloading. or other cargo (watercraft). Since there are no fundamental differences between the main and side hulls in the loading and unloading system, the opening scheme of the bow gates of one of the hulls is common to others. Loading and unloading of the middle hull occurs when the bow gates of the side hulls are closed. Loading and unloading of the side hulls occurs when the bow gates of the middle hull are closed.

 Consider a ship loading operation. The hold gates 4 (5) open (Fig. 2). Seawater fills the hold of the trimaran hull. The hull is warming down to the calculated values that ensure the reception of cargo directly from the water into the hold through the open hold gates. The vessel, maneuvering with engines, floats on an ice beam or other cargo (for example, a barcon), placing it inside the hold. Next hold the gates. Outboard water remaining in the hold is pumped overboard, and the cargo is placed in the hold. The vessel is ready for transportation of cargo and proceeds to the port of destination.

 A ship unloading operation is the reverse of a loading operation. To ensure maximum load capacity of the side hulls, the use of atomic power plants is proposed.

Claims (1)

 Trimaran transport vessel, comprising a middle hull with double walls and hold gates in the bow and ship power plants in all three hulls, characterized in that the bow of the side hulls contain hold gates and holds of all hulls are made with double insulated walls.

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