RU2809170C1 - Method of supplying electrical cables, hoses, towing ropes and small cargo to the ship - Google Patents

Abstract

FIELD: emergency rescue equipment and methods of its use.

SUBSTANCE: to supply electrical cables, hoses, towing ropes and small-sized cargo to the vessel, which consists in bringing electrical cables, hoses, towing ropes, and containers of small-sized cargo to the side of the vessel using a remotely controlled towing device. A towing device is used that has paddle wheels rotated by an electric motor for movement on water or ice, along the surface of the side of the vessel, and a guide wheel to change the direction of movement of the towing device, which rests against the side of the vessel by the pressure force created by the rotating paddle wheels pushing the towing device forward, thanks to the initial trim of the towing device to the stern, and the corresponding filling of the stern ballast chambers, rolls up along the surface of the ship's side.

EFFECT: delivery of the terminal parts of cables, towing ends of containers of small cargo to the side of an emergency vessel by towing them through water, as well as their lifting to the required level of the vessel's side using this device is achieved.

1 cl, 3 dwg

Description

The invention relates to the field of rescue equipment and methods of their use and is intended to increase the efficiency of providing assistance to an emergency ship.

Background to the invention. To provide assistance to an emergency vessel, in some cases it is necessary to supply electrical power supply cables to this vessel; hoses for supplying liquid fire extinguishing agents, liquid cargo (fuels and lubricants, water, etc.); towing ropes and small-sized cargo.

The most common currently method of supplying the indicated means to an emergency vessel is to initially throw onto this vessel a “throwing end” (line) attached to a cable (hose, towing rope, towing end of a small container with cargo), followed by pulling them on board by removing "throwing end". The movement of these means occurs in the water (on ice) from the side of the vessel providing assistance to the side of the emergency vessel, with the subsequent raising of these means to the required level. The practical application of this method is associated with a number of limitations:

according to the distance between the emergency ship and the vessel (vessels) providing assistance, associated with the explosion and fire hazard of the emergency vessel;

by the range of use of throwing means (throwing end) (on average up to 25 meters);

according to the height of the place where aid is received on the emergency ship; according to hydro-meteorological conditions.

These circumstances, confirmed by experience in providing assistance to ships, require the development of an easy-to-implement technical solution that will increase the efficiency of providing assistance to an emergency vessel.

The known methods and means are described in [1], “Preparation and supply of towing cable in the port and at sea.” The use of these methods and means for supplying electrical cables, hoses, towing ropes and small-sized cargo to an emergency ship is associated with a number of limitations given above and does not allow achieving the technical result of the proposed invention.

There are known remotely controlled underwater vehicles [2], which are controlled via a cable, following an object detected by the carrier ship in a surface or semi-submerged, or underwater position. However, these devices are not suitable for towing cables, hoses, towing ropes and small-sized cargo through water (ice) and lifting them to the required level on the side of the vessel.

Closer to the proposed invention in its technical essence is the invention “Towed line hoisting device” [3]. It is designed for setting up and retrieving towed lines, containing a rotary slip with a towed line deepener installed on it in a stowed manner and a towing winch with a horizontally mounted drum for multi-layer single-row winding of the towing line. However, the technical solution implemented in this invention does not allow towing cables, hoses, towing ropes and small-sized cargo through water (ice) and lifting them to the required level on the side of the vessel.

The technical result of the proposed invention is the delivery of the terminal parts of cables (hoses, towing ropes), towing ends of containers of small cargo to the side of an emergency vessel by towing them through water (on ice) with a remotely controlled towing device, as well as their lifting to the required level of the vessel's side by means of this devices.

Figure 1 shows a towing device that implements the proposed method, with the following designations.

1 - rod - hook, designed for the towing device to hook the edge of the side (bulwark), railings and other elements of the ship's hull, as well as for installing a GPS receiver and an LED tube on the rod, indicating the location of the towing device;

2 - water surface line;

3 - body of the towing device, which is the load-bearing floating structure of the device, made of transparent plastic, allowing visual inspection of the condition of the elements inside the body;

4 - a mechanism that ensures a change in the angle of inclination of the hook rod. In the cocked state (when moving towards the vessel), the hook bar is fixed by a locking element at an angle of inclination forward;

5 - paddle wheel blade, made of aluminum alloy with a serrated upper edge, ensuring adhesion of the wheel with layers of paint and primer applied to the surface of the ship’s side;

6 - stabilizer;

7 - cable-rope with positive buoyancy, designed to power the electrical receivers of the towing device and transmit control signals to them, having sufficient mechanical strength for its use as a towing rope when towing cables, hoses, towing ropes and small containers with cargo and lifting them to the required level of the ship's side;

8 - clamp for attaching towed cables, hoses, towing ropes and small containers with cargo to the cable-rope;

9 - buoys for keeping towed cables, hoses, towing ropes afloat;

10 - electromechanical rotary device designed to rotate the steering wheel (steering wheel) to the required angle using a control signal;

11 - rod (stock) connecting the electromechanical rotary device with the “fork” of the steering wheel (steering wheel), ensuring its rotation to the required angle;

12 - paddle wheel, which ensures the movement of the towing device in water (on ice) and along the surface of the ship’s side;

13 - switchgear that distributes power and control signals to the electrical receivers of the towing device;

14 - towed cable;

15 - “fork” of the steering wheel (rudder blade) with an axis installed in it for rotating the wheel (rudder blade) around this axis;

16 - steering wheel (rudder blade), designed to change the direction of movement of the towing device, on water (ice) and on the surface of the ship’s side;

17 - horizontal overlap in the body of the towing device, forming ballast chambers in the lower part (two on each side) to regulate the position of the towing device in the water in terms of draft, roll and trim by appropriately filling the ballast chambers with water;

18 - an electromagnet, the core of which is tightly attached to the housing of the electric motor of the paddle wheel drive, which enhances the resulting magnetic field of the electromagnet and the electric motor to increase the pressing force of the towing device to the plane of the ship's side;

19 - transverse bulkhead of ballast chambers;

20 - ballast chamber plugs (a pair on each side);

21 - electric motor for driving paddle wheels;

22 - longitudinal bulkhead of ballast chambers.

Figure 2 shows a diagram of the use of a towing device that has sufficient power to lift the end parts of the cable (hose, towing rope) along the side of the vessel to the required level.

Figure 3 shows a diagram of the use of a towing device that does not have sufficient power to lift the end parts of the cable (hose, tow rope) along the side of the vessel to the required level.

The method is carried out as follows: The movement of the towing device to the emergency vessel through water (ice) is carried out by means of paddle wheels rotated by an electric motor. The required direction of movement of the device is provided by control signals from the remote control of the towing device, transmitted via a cable to the electromechanical rotary device of the steering wheel (rudder blade).

When the towing device approaches the side of the vessel closely, the hitch rod, resting against the hull of the vessel, turns upward and backward. In this case, the locking element releases the rod - the hook from the fixed (cocked) position, after which it, under the action of a spring tilting it down, can rotate at an angle until it rests against the hull of the vessel.

The guide wheel (rudder blade), resting against the side of the vessel by the force of pressure created by the rotating paddle wheels pushing the towing device forward, and also due to the initial trim of the towing device to the stern, corresponding to the filling of the aft ballast chambers, begins to roll up along the plane of the side, while the towing the device rotates to a vertical position, bringing the electromagnet closer to the ship’s hull. When the distance between the ship's hull and the electromagnet of the towing device is sufficient for them to attract each other by the force of the resulting magnetic field of the device, the towing device will be pressed and held on the surface of the ship's side. In this case, rotating paddle wheels with blades having a serrated upper edge, creating adhesion of the wheels with layers of paint and primer applied to the surface of the ship's side, ensure the movement of the towing device along the surface of the ship's side in the direction specified by the control signal by turning the guide wheel (rudder blade) by required angle.

If it is necessary to hold the towing device with a bar-hook at the required level of the ship's side, the latter hooks onto the edge of the side (bulwark), railings and other elements of the ship's hull.

When the towing device does not have sufficient power to lift the end parts of the cable (hose, towing rope) along the side of the ship to the required level, then the towing device rises to the required level of the ship’s side without the end parts of the specified means, which remain towed by it at the side of the ship, attached with a clamp to the cable-rope, and then these means are lifted onto the deck by means of the cable-rope.

Information sources

1. §19. Preparation and supply of tow rope in port and at sea https://flot.com>books>shelf>specialcases

2. Remotely controlled and autonomous underwater... http://pentagonus.ru>Articles>Armament>Fleet

3 Towed lowering device... https://yandex.ru>patents>doc.

Claims (1)

A method of supplying electrical cables, hoses, towing ropes and small-sized cargo to a vessel, which consists in the fact that electrical cables, hoses, towing ropes, containers of small-sized cargo are supplied to the side of the vessel by a remotely controlled towing device, characterized in that a towing device having rowing rows is used wheels rotated by an electric motor for movement on water or ice, along the surface of the ship's side and a guide wheel for changing the direction of movement of the towing device, which rests against the side of the ship by the pressure force created by the rotating paddle wheels pushing the towing device forward, as well as due to the initial trim of the towing device to the stern, correspondingly filling the stern ballast chambers, rolls up along the surface of the ship's side, while the towing device turns into a vertical position, ensuring the proximity of the electromagnet to the ship's hull, and when the distance between the ship's hull and the electromagnet of the towing device is sufficient for them to attract each other by the force of the resulting magnetic field of the towing device, the towing device is pressed and held on the surface of the ship's side, while rotating paddle wheels with blades having a serrated upper edge, creating adhesion of the wheels with layers of paint and soil applied to the surface of the ship's side, ensure the movement of the towing device along the surface of the ship's side in the direction specified by the control signal, by turning the wheel to the required angle.

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