Propulsion assembly

FIELD: transport.

SUBSTANCE: propulsion assembly comprises displacement hull with side joint assemblies, engine and water-jet propeller, two hinged pontoons and their opening/closing mechanisms. Water-jet propeller is made up of two water jets. Pontoons are hinged together. Bottoms of pontoons are provided with sledge outlines along crosswise axis of subassemblies. Hinged pontoon side height equals that of river subassembly jointed thereto. Guide cutouts are made in the bottom of every pontoon. Said cutouts are located opposite rotary nozzles of water jets and oriented across propulsion assembly.

EFFECT: increased speed of shuttle ferry.

2 cl, 4 dwg

 

The invention relates to crossing-bridge means, and more specifically to the ferries and pontoon bridges.

Known motor link (see RF patent №2098314 from 10.12.1997,), including wodoslawsky case with misbelieve butt nodes on the sides, housed in a chassis, engine and water jet, United articulated with the body by two folding pontoon and the mechanism of their disclosure and folding.

The disadvantages of the known motor link is a significant loss of thrust of the jets, as sediment folding pontoon more precipitation housing motor link, and created a Shuttle to ferry additional resistance of the lower part of the folding pontoons protruding beyond the bottom coupled with a motor link pontoon parts, so that the speed of the Shuttle ferry significantly reduced.

It is also known motor link (prototype - see RF patent №2292507 from 10.05.2007 year), including wodoslawsky case with butt nodes on the sides, housed in a chassis, engine and water jet connected by hinges to the body by two folding pontoon on the outer sides which has a rotary hydrodynamic shields, and the opening mechanism and the folding of the folding pontoons.

The disadvantages of this motor link, as well as analogue, is a significant loss of thrust of the jet pump is in, and also created a Shuttle to ferry additional resistance of the lower part of the folding of the pontoons, as fitted to the hydrodynamic shields do not provide fully smooth flow around the flow of bilge water Shuttle ferry. For this reason, the speed of movement of the Shuttle ferry and, therefore, its performance is reduced.

The objective of the invention is to increase the speed of the Shuttle ferry by increasing the thrust of the jets motor link and reduce water resistance to movement of the Shuttle ferry by improving the aerodynamics of the speakers of the lower parts of the folding pontoon motor link.

The solution of the stated problem is achieved by the fact that in the engine lineup, including wodoslawsky case with butt nodes on the sides, housed in a chassis, engine and water jet propulsion device, made in the form of two cannons, United by hinges with the case of two folding pontoon and the mechanism of opening and folding the bottom of each of the folding pontoon are made with toboggan lines in the direction of the Central transverse axis of the link, while the depth of each of the folding pontoon equal to the height of the Board and coupled with it the river level, and at the bottom of each of the folding pontoon made directing the notch opposite the rotary nozzle of the cannon of preorientation them across motor link. The width of the guide notch is in respect of 1.2 to 1.5 of the width of a rotary nozzle of the jet pump, and the depth guide of the cut is equal to the difference of the height of the folding pontoon and the height of the housing of the motor element.

The use of the proposed solution will increase the speed of movement of the Shuttle ferry to 17-20% by increasing the thrust of the jets motor link and reduce water resistance to movement of the Shuttle ferry.

The invention is illustrated by drawings, which depict: figure 1 is a side view of the motor element; figure 2 - section a-a in figure 1; figure 3 is a view of the bottom of the motor element; figure 4 - motor component of the Shuttle ferry.

Motor link includes wodoslawsky case 1 butt sites, made in the form of a fork 2 with locking pin and ear 3, and the water jet 4 and the motor 5. The casing 1 is connected by means of hinges 6 and 7 hinged pontoons 8 and 9 of the bottom 10 and 11 which are made with toboggan lines in the direction of the Central transverse axis of the motor unit. In the aft parts of the hull 1 and the folding of the pontoons 8 and 9 are hinged fairing 12, 13 and 14. Board height hBOPeach of the folding pontoon 8 and 9 is equal to the depth hbbscoupled with it the river of the link 15. In the bottom 10 and 11 of each of the folding pontoon 8 and 9 may be made directing the neckline is 16 and 17, located opposite the rotary nozzles 18 4 cannons at orientation crosswise motor link. WidthNVguide notches 16 and 17 is in respect of 1.2 to 1.5 of the width of aPSrotary nozzle 17, and the depth of these notches is equal to the difference of height Hkopfolding pontoon 8 (9) and the height HKMZthe housing 1 of the motor element.

The claimed technical device operates as follows.

Motor link after opening the hinged pontoons 8 and 9 is discharged from the pontoon car on water. Then hinged to the pontoons 8 and 9 motor-level connected with joint nodes 2 and 3 river links 15, and thus going to the Shuttle ferry. The number of river and motor units to be included in the Shuttle ferry, depending on your class load and configuration of the ferry. When moving the Shuttle ferry rotary nozzle 18 4 cannons are mounted across the engine of the link opposite the guide notches 16 or 17 of the folding pontoons 8 or 9, which achieves the maximum thrust. When this runs, the shape of the folding pontoons 8 and 9 provide them with a good flow and, consequently, reducing water resistance to movement of the Shuttle ferry.

1. Motor link, including wodoslawsky case with butt nodes on the sides, placed in the enclosure engine iodometry mover, made in the form of two cannons, United by hinges with the case of two folding pontoon and the mechanism of their disclosure and folding, characterized in that the bottom of each pontoon are made with toboggan lines in the direction of the Central transverse axis of the link, while the depth of each of the folding pontoon equal to the height of side walls coupled with him river link at the bottom of each of the folding pontoon made directing the notch opposite the rotary nozzle of the cannon at orientation crosswise of the motor element.

2. Motor element according to claim 1, characterized in that the width of the guiding notch is in the ratio of 1.2-1.5 times the width of a rotary nozzle, and the depth guide of the cut is equal to the difference of the height of the folding pontoon and the height of the housing of the motor unit.



 

Same patents:

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FIELD: construction, road construction.

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The invention relates to crossing-bridge means, and more specifically to the ferries and pontoon bridges

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FIELD: bridge crossing equipment; ferries and floating bridges.

SUBSTANCE: proposed motor unit includes displacement hull with joints in sides, engine mounted inside hull and water-jet propeller, two hinged pontoons which are articulated with hull and mechanism for opening and folding the pontoons. Each hinged pontoon is provided with torsion-loaded swivel hydrostatic shield on external side which is articulated with hinged pontoon in area of its bottom; hinged pontoons are also provided with mechanism for turning the shield; this mechanism is made in form of hydraulic cylinder with rod secured in hull of hinged pontoon. Thrust roller secured on end of rod is received by guide of hydrostatic shield.

EFFECT: reduced resistance of shuttle ferry due to improved streamlining of projecting lower part of motor unit.

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