RU2742398C1 - Boat moving device - Google Patents

Abstract

FIELD: transportation.

SUBSTANCE: invention relates to the movement of inflatable boats with a hinged transom on land. The boat moving device contains two stands, two wheels, two plates and tension springs. The plates are fixed symmetrically to transom. Pins are fixed on the plates. At the end of each rack, a through elongated hole is made in which the pin of the corresponding plate is hinged. Wheels are fixed on axles of the racks with possibility of rotation. One end of each tension spring is secured to a pin and the other to a corresponding post. The plates are in form of sectors and arc guides are made on them from the side of the arc surfaces. Each pin is fixed on the corresponding plate from the side of the central corner of the sector. The extreme positions of guides are made in form of L-shaped branches. Each rack contains a latch which is placed in an arc guide with ability to move and fix in extreme positions - lower (for land) and upper (for water).

EFFECT: simplification of design of the device while maintaining dimensions of the boat in height after folding wheels.

3 cl, 3 dwg

Description

The claimed technical solution relates to the field of shipbuilding and is intended for the transportation of small vessels, namely, the movement of inflatable boats with a mounted transom on land, lowering the boat into the water and taking it out of the water to the shore.

Currently, devices containing wheels fixed on the boat's transom are used to transport a boat from anchorage to the water.

It is known, for example, a device for moving a boat trailer (US 5425326 A, 20.06.1995, [1]), containing a base plate and two removable wheel assemblies. The base plate is screwed onto the transom.

Two hollow elements of rectangular cross-section are fixed on the base plate. In this case, each wheel assembly contains a horizontal beam, one end of which is pinned in a hollow rectangular element. A vertical beam with a fork at the end is fixed to the other end of the horizontal beam. The forks have holes in which axles are installed to support the wheels.

Known device for moving sailing boats (US 3406985 A, 22.10.1968, [2]). As in the claimed technical solution, the specified analogue [2] contains a frame and a swivel bracket, in which the inner levers of the frame are hinged. The wheels are fixed on the axle elements of the struts.

In analogue [2], the frame contains a pair of external levers, which are fixed on the inner levers. Inside the outer levers, T-rods are adjustable, so that the hull supports engage with the bottom of the sailboat to balance the sailboat on the trolley.

Also known is a device for transporting a boat (WO 1992012047 A1, 23.07.1992, [3]), containing mounting brackets fixed symmetrically to the transom, hinge elements and inclined tubular frame elements with wheels.

In the analogue [3], a pair of wheel assemblies are hingedly mounted on the boat's transom in such a way that the wheels in the support position are located below and in front of the transom, and in the stowed position, they are thrown over the side of the boat, above its upper part.

The specified analogue [3] is, by the totality of essential features, the closest analogue of the same purpose to the claimed technical solution. Therefore, it is accepted as a prototype.

The technical problem being solved is the need to simplify the use of the device while maintaining the height of the boat.

Analogue [1] has wheel assemblies fixed without the possibility of turning. This leads to the need to remove the wheel assembly when launching the boat into the water, and to install the wheel assembly when taking the boat out of the water to the shore. The analogue [2] and the prototype [3] have complex device designs. For the analogue [2], in order to fold the frame, it is necessary to disassemble the external and internal levers. In this case, the frame in the folded position increases the dimensions of the boat. The prototype [3] needs additional space for folding and fixing the wheels over the side of the boat.

The technical result of the claimed technical solution is to simplify the design of the device.

Another technical result is the preservation of the dimensions of the boat in height after folding the wheels.

The technical result is achieved in that the device for moving boats contains two stands, two wheels and two plates. In this case, the plates are fixed symmetrically on the transom, and fingers are fixed on the plates. At the same time, a through elongated hole is made at the end of each rack, in which the pin of the corresponding plate is hinged. In this case, wheels are fixed on the axles of the racks with the possibility of rotation. It differs in that it contains tension springs, one end of each tension spring is fixed on the finger, and the second on the corresponding stand. In this case, the plates are in the form of sectors, with arc guides made on the plates from the side of the arc surfaces. In this case, each finger is fixed on the corresponding plate from the side of the central corner of the sector, and the extreme positions of the guides are made in the form of L-shaped branches. In this case, each rack contains a latch, which is placed in an arc guide with the possibility of movement and fixation in extreme positions - lower (for land) and upper (for water).

The above essence is a set of essential features of the claimed technical solution, ensuring the achievement of all the claimed technical results.

In special cases, it is permissible to carry out a technical solution as follows.

The pins of the plates can be pins, bolts, or studs.

Retainers are preferably bolts.

The author of the claimed technical solution made a prototype of this solution, the tests of which confirmed the achievement of the technical result.

FIG. 1 shows a device for moving boats with racks in the lowest position (for land);

in fig. 2 - a device for moving boats with racks in the extreme upper position (for water);

in fig. 3 - tension spring.

The device for moving boats (Fig. 1, 2) contains a transom (1), two plates (2, 3), two racks (4, 5) and two wheels (6, 7).

The transom (1) for fixing the motor (8) is located at the rear of the boat and is a plate made of plastic or plywood.

Plates (2, 3) are fixed symmetrically on the transom (1) and have the shape of sectors. On the plates (2, 3), arc guides (9) are made and fingers (10) are fixed. Arc guides (9) are made from the side of the arc surfaces of the plates (2, 3). In this case, each finger (10) is fixed from the side of the central corner of the sector. The extreme positions of the guides (9) are made in the form of L-shaped branches. The pins (10) are pins or other fasteners such as bolts or studs.

At the end of each post (4, 5), a through elongated hole is made, in which the pin (10) of the corresponding plate (2, 3) is hinged. Each rack contains a latch (11), which is located in the arc guide (9) with the ability to move and fix in extreme positions - lower (for land) and upper (for water). The latch (11) is a bolt or other fastener.

Wheels (6, 7) for transporting the boat, fixed on the axles of the racks (4, 5) with the possibility of rotation.

To ensure smooth running and fixing the struts (4, 5) in extreme positions, the device contains tension springs (12) (Fig. 3). One end of each tension spring (12) is fixed to the pin (10), and the other to the corresponding post (4, 5).

The implementation of the proposed technical solution is not limited to the above example.

Order of use

When transporting a boat over land, the stands (4, 5) with wheels (6, 7) are in the lower position. In this case, the latches (11) are in the extreme lower positions of the L-shaped branches of the guides (9).

After moving the boat into the water, the stands (4, 5) with the wheels (6, 7) are moved to the upper position. To do this, remove the latches (11) of the racks (4, 5) from the extreme lower positions of the L-shaped branches of the guides (9). After that, the racks (4, 5) are turned to the upper extreme position. In this case, the latches (11) are moved along the guides (9). Under the action of the tension spring (12), the struts (4, 5) themselves are fixed in the extreme upper positions of the L-shaped branches. Since the racks (4, 5) make angular movements only in the transverse plane of the rear of the boat, unlike the prototype [3], this design does not require additional space behind the boat for folding the wheels. In this case, the wheels (6, 7) of the claimed device are located below the upper part of the side of the boat, which allows you to keep the dimensions of the boat in height.

The claimed technical solution is implemented using commercially available devices and materials and will find wide application for moving inflatable boats from parking to water.

Claims (3)

1. A device for moving boats, containing two stands, two wheels and two plates, while the plates are fixed symmetrically on the transom, fingers are fixed on the plates, and at the end of each stand there is a through oblong hole in which the finger of the corresponding plate is hinged, on the axes of the racks are fixed wheels with the possibility of rotation, characterized in that it contains tension springs, one end of each tension spring is fixed on the finger, and the second on the corresponding rack, while the plates are in the form of sectors, and the plates are made of arc guides from the side of arc surfaces, and each finger is fixed on the corresponding plate from the side of the central corner of the sector, the extreme positions of the guides are made in the form of L-shaped branches, and each stand contains a lock, which is located in the arc guide with the possibility of movement and fixation in the extreme positions - lower (for land) and upper (for water). 2. The device according to claim 1, characterized in that the fingers of the plates are pins, bolts or studs. 3. The device according to claim 1, characterized in that the retainers are bolts.

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