Ferry for traffic service between river banks

FIELD: ferries for rivers of limited navigation.

SUBSTANCE: proposed ferry is provided with pontoons which are spaced apart in width and are made from different materials; cargo and passenger deck is secured on pontoons at two levels. Ferry is also provided with propulsion plant. Upper surface of cargo deck rising above water during operation is located in center plane of cylindrical pontoons; lower part of cargo deck which possesses positive buoyancy is immersed in water. Middle cylindrical part of each pontoon is made from non-metallic materials and is connected with metal end units by means of flanged joint located inside pontoon. Propulsion plant consists of two portable units mounted turnably on cargo deck for control of heading; these units are spaced apart along longitudinal axis of symmetry on edges of cargo deck.

EFFECT: increased capacity of ferry at shallow draft.

4 cl, 9 dwg

 

The present invention relates to the field of water transport, in particular for the transportation of cars, other vehicles and passengers between the banks of lowland rivers are impassable ferries high promotomobile, for example, performed according to the author's certificate of the USSR No. 439439, CL 63 In 35/54, publ. 15.08.1974, Bulletin No. 30.

A known design of ferries for small non-navigable rivers, containing the deck for vehicles and passengers, mounted on a cylindrical metal pontoons at some height from the surface of the water, placed on the rollers for engagement with the rope stretched across the river and fixed ends on its banks, are characterized by high intensity and high requirements to the device piers on the banks. With large water level fluctuations these berths become unsuitable for safe operation, resulting in disrupted for long term communication between banks.

The closest in technical essence to the present invention is steam containing the pontoon ramp, posted troublefree device and the rollers for engagement with the rope stretched across the river, while the pontoon is made with add-ons for the crew and passengers, are placed on the sides of the pontoon with the formation between them, along the median plane of the pontoon cargo area (see the formula of the invention according to the patent of Russian Federation №2051511, 6 In 63 In 35/54 declared 25.03.94).

The disadvantages of this ferry (and widely known) is the following.

They cannot be used on navigable rivers, which run even small vessels (boats and motor boats). On many rivers convenient for mooring coast are not opposite to one another, and steam stretched across the river by rope unsuitable.

The problem to be solved by the proposed construction of the ferry, ensuring high promotomobile with shallow draught, allowing to overcome areas of the river are small, relatively, depth, and enhancing the technical capacity of the mooring to the shore, equipped with small, relatively well-known, labor and material costs.

The essence of the proposed ferry the next.

Steam communication between banks of rivers, containing a pair of spaced across the width of the cylindrical pontoons attached to the pontoons deck for passengers and vehicles and mounted on the ferry propulsion installation to ensure quality ferry along and across the river, is made as follows. It is equipped with deck, has two levels. While the lower cargo deck is placed between the pontoons and executed israsoma, in conditions most of it, but the top deck is submerged in water and has a positive buoyancy. The upper part of the deck intended for passengers connected beams metal frame with a cargo deck and placed on pontoons in the form of side deck areas. The ferry is equipped with a propulsion device, made in the form mounted on the cargo deck two nodes placed on the longitudinal axis of symmetry of the ferry on the edges of the freight deck. Each of the nodes, including the propeller, is mounted with the possibility of rotation around the vertical axis for changing the direction of movement of the ferry).

To reduce the weight of the ferry is equipped with pontoons, a cylindrical middle part which is made of non-metallic materials and are connected with the extreme nodes of the pontoon, made of lightweight compared to steel, metal, allowing the welding. These nodes configuration similar to, for example, sectional lateral pipe of large diameter (1-1 .5 m).

Figure 1 shows the proposed ferry, side view; figure 2 is a view of the ferry from above; figure 3 - section a-a in figure 1; figure 4 is a cross-section B-B in figure 2; figure 5 - section b-b In figure 1; figure 6 - section G-g of figure 4; figure 7 and 8 to install the drivers on the deck of the ferry, on Fig.9 - section d-D figure 7.

Steam contains two cylindrical, posted on the Irina pontoon 1, via fixed on them beams 2, made according to the configuration of the horizontal and inclined portions, with a cylindrical bearing surface, are lower cargo deck 3 and placed above each pontoon deck space for 4 passengers. The top surface of the deck 3 is located approximately at the level of the median plane of the pontoons. Cargo deck contains metal frame 5 mounted thereon wooden rails 6 mounted on the top Board shalt deck 7 and Board shalt bottom 8. End zones 9 of the bottom is made with a slope. In operation of the ferry cargo deck is immersed in the water and maximum load rises slightly above the water level. To increase the buoyancy of the ferry, without a claim of waterproofing surfaces of the cargo deck, steam is supplied is placed in the inner cavity of the deck light, vodonepronimaemye filler 10, which can be used, for example, polystyrene.

The ferry is equipped with pontoons, made by the Assembly average, the cylindrical part 11 with extreme nodes 12. Subassembly 11 and 12 carried out using the flange 13, is placed in the inner cavity of the pontoons. Shell middle part made of a material similar in composition and physical (strength) parameters to solid the haunted wood-fiber plates. The shell is reinforced installed on the inner surface with adhesive 14 and transverse to the longitudinal ribs 15, which are made by gluing layers of wood veneer. Extreme nodes 12 in a configuration similar to the sectional pipe bends of large diameter (1-1 .5 m) and made of lightweight compared to steel, metal, allowing the welding. The fastening flange to the ends of the node 11 pontoons carried out using the supports 16 and screw fasteners 17 (figure 5). When installing elements 17 located in the operating conditions below the water level, provided water-resistant shell using a sealant (not shown).

Protruding above the water, in operation, the ends of nodes 12 has a rotary lukovima caps 18.

The ferry is equipped with propulsion installation, made in the form of two nodes 19 and 20, spaced along the longitudinal axis of symmetry of the ferry and placed on the edges of the freight deck. Each node contains kinematically connected to the engine propeller and made in the form of a portable unit (unit). The nodes are installed on are secured to the cargo deck supports 21 can be rotated together with the vertical axis 22 (to regulate the rate of movement of the ferry). Node 19 is different from the host 20 less engine power and design features of decline the Oia nodes with the supports 21. Case node 19 that is located ahead in the direction of movement performed with a fixed axis 23, articulated in the working position with the hooks 24 of the plates 25. Each of the plates articulated with a horizontal axis 26 attached to the housing 27, which is fixed on the above-mentioned axis 22 of support. Plate 25 is installed on the axis 26 with the possibility of a small amount of movement along the axis (for connection-disconnection of the hooks of the plates with the axis 23). For fixation plate 25 in position on the ends of the axle 26 mounted axial end tabs 28 can be rotated in working and non-working position.

Case node 20, in contrast to node 19, the articulated support via fixed to the body using a stop 29, which in the working position of the node communicates with the above case 27. The upper part of the axle 22 is accomplished with fixed thereto a horizontal axis 30, which is formed with a hub 19 and 20 of the detachable articulation.

The ferry is equipped with two pairs of tubular struts-columns 31, secured to the cargo deck and the nodes 12 of the pontoons. Attaching the risers to the nodes 12 implemented using side supports 32. On the lower part of the riser is fixed supports for double-wing gates, used for the transport of animals (not shown).

On top of struts mounted is placed on the rotary console 33 gruop djenny mechanism 34, contains connected with rope grip for goods (sites 19 and 20) and a winch with manual actuator (not shown).

The ferry is equipped with mounted secured to the pontoons bearings 35 and rollers 36, designed to interact with the guides berths (not shown).

The ferry is equipped with ramps for entry and exit of vehicles and ladder-gangway for passengers (not shown).

The implementation of the terminal with one berth to another is as follows.

After entry into the cargo deck wheeled equipment to be installed using a forklift 34 propulsion node 20 closest to the pier support 21, and the node 19 is remote from the pier support. Installing the node 19 is a joint body of propulsion (axis 23) with the hooks of the plates 25.

Perform landing passengers on the deck of the platform 4, and after separation from the pier (cleaning ramp and ladder-gangway) steam ready to sail.

The movement across or along the river, with twists and ledges of coastal structures, a course correction is carried out mainly by the rotation of the node 19 in conjunction with a vertical axis 22. This created a rowing screw traction through the body of the node 19, the plate 25 and the housing 27 acts on the support 21 at an angle to the longitudinal axis of symmetry of the ferry, initiating a change of direction. Enabled the simultaneous coordinated interaction of the two thrusters (front and rear), when you want to make a sharp turn direction. Thus, the proposed propulsion of the two nodes greatly increases the maneuverability of the ferry.

Before leaving wheeled vehicles ashore removed from the support 21, the node 19, using a forklift with swivel console.

Before the return flight to change the location of the nodes on the supports using to move the trolley (not shown), and unit installation on supports forklift.

1. Steam communication between banks of rivers containing spaced across the width of the cylindrical pontoons made of dissimilar materials, attached to the pontoons deck for cargo and passengers, has two levels, and mounted on the ferry propulsion installation, characterized in that towering over the water mode of operation, the top surface of the cargo deck is placed in the median plane of the cylindrical pontoons, and the lower part of the cargo deck is submerged in water and is made with positive buoyancy.

2. Steam according to claim 1, characterized in that the middle cylindrical portion of the pontoons are made of materials of which the main component is wood and metal at the nodes of each of the pontoons connected to the cylindrical part of the flange connection, placed in the inner cavity of the pontoons.

p> 3. Steam according to claim 1, characterized in that the propulsion unit is designed as two Autonomous mobile nodes, each of which contains the engine and connected with him kinematically propeller, and these nodes are mounted on the edges of the freight deck fixed on the deck supports, placed along the longitudinal axis of symmetry of the ferry, in this case the front in the direction of node articulated in series with the hooks of the plates and mounted on the vertical axis of the chassis using a horizontally placed axes.

4. Steam according to claim 3, characterized in that the mating elements of both nodes with supports made with the possibility of interaction between these mating elements when moving nodes from one support to another.



 

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