KR100415317B1 - Drive and steering apparatus for boat - Google Patents

Abstract

PURPOSE: A propeller and a steering device of a small ship are provided to secure a greater steering angle by dividing into a main body, a swing body, and a swing body housing to move up, down, left and right of the propeller. CONSTITUTION: A propeller(90) and a steering device of a small ship(10) are composed of first and second joint parts. The first joint part comprises a main body for protecting the propeller and steering the ship and including a tunnel(31) for covering a shaft and the propeller, an auxiliary wing(32) positioned at the stern of the tunnel, a rudder(33) positioned under the propeller, an air-inflow shielding unit(36) formed at the lower end of the auxiliary wing, and first and second joint materials integrated to joint sides of a tilting cylinder(70) and a steering cylinder at the upper part of the tunnel; a swing body(40) combined to the main body to move up and down the main body and formed with a tilting cylinder combining material at the upside; and a swing body housing(50) for connecting the swing body and the rear of the ship to integrally move the swing body and the main body at left and right. The second joint part includes a universal joint bent upward, downward, left and right to the swing direction of the main body to transmit power of an engine; a shaft for transmitting the power of the universal joint to the propeller; and a rubber cover for protecting the universal joint and including a plurality of creases on the outer peripheral surface not to disturb movements of the universal joint.

Description

Propeller and Steering System for Small Ships {DRIVE AND STEERING APPARATUS FOR BOAT}

The present invention relates to a propulsion device and a steering device of a small ship, and more particularly, to a propulsion device and a steering device of a small ship that can improve the propulsion force by the structure of the propeller and to increase the steering angle.

1 is a configuration diagram of a propeller and a steering apparatus of a conventional small ship, wherein the propeller shaft 17 is inclined at a predetermined angle with respect to the bottom surface of the hull 10, and the propeller 18 is partially submerged in the water. The tunnel portion 19 is installed to cover the upper portion of the shaft 17 and the propeller 18 and both ends contact with water, and the riser 13 is connected to the exhaust manifold 12 of the engine 11 by a medium. The exhaust passage 20 is formed along the periphery of the tunnel portion 19 to guide the exhaust gas to at least one path.

The output shaft of the engine 11 is connected to the gearbox 14, the output shaft of the gearbox 14 is connected to the connecting shaft 16 via the coupling 15, the connecting shaft 16 Is connected to the propeller shaft 17, and a propeller 18 is mounted at the rear end of the propeller shaft 17.

Therefore, the propeller shaft 17 is driven by rotating the propeller 18 while decelerating the rotational force of the engine 11 at the gear box 14.

The exhaust passage 20 is formed in the upper portion of the tunnel portion 19 so that the exhaust gas exits at least one path. That is, the paths through which the exhaust gas guided through the riser 13 exit the exhaust passage 20 are different depending on the no-load state, the oscillation state, and the driving state. In the no load phase, most of the exhaust gas guided by the riser 13 exits to the outside without passing through the exhaust passage 20.

In such a configuration, the shape of the tunnel portion 19 performing the air inflow prevention function is elliptical, which may block the air flowing into the propeller 18, but the driving force of the propeller 18 is dispersed to propel the driving force. Decrease occurs.

In addition, fishing nets and other foreign matters installed in the lake or the sea may be wound around the propellers 18 by driving the propellers 18, which may damage the propellers 18, greatly threatening safety. To become an element.

In addition, the structural direction of the rudder is located lower than the bottom of the ship, which can be caught in foreign matters such as fishing nets or safety nets, there was a problem that can not operate the ship in shallower water.

In view of the above problems, the present invention has an object to provide a propulsion device and a steering device of a small ship that can further improve the convenience and steering angle of steering.

Another object of the present invention is to provide a small ship propeller and steering device that can improve the propulsion force by minimizing the resistance of the propeller and concentrating the propulsion force.

In addition, an object of the present invention is to provide a small ship propulsion and steering device that can improve the reliability and safety by preventing the foreign matter such as the net to the propeller or the direction key while the ship is moving.

The present invention for achieving the above object is divided into three parts, the main body, the swing body, the swing body housing, so that the joints can be driven in the vertical direction and the left and right directions, it is configured to further increase the steering angle have.

In addition, the secondary wing and the tunnel of the main body is composed of a square, and the air inlet shielding member is characterized in that it is configured to improve the propulsion of the propeller.

And a part of the directional key is configured to overlap with the propeller, it characterized in that it is configured so that foreign matter is not caught on the propeller.

1 is a side cross-sectional view of a propeller and a steering apparatus of a conventional small ship.

Figure 2 is a plan view of the propeller and steering device of the present invention small ship.

Figure 3 is a side view of the propeller and steering device of the present invention small ship.

Figure 4 is a side cross-sectional view of the propeller and steering device of the present invention small ship.

5 is a perspective view of a universal joint.

6 is a perspective view of the shaft;

7 is a perspective view of the joint housing;

8 is a perspective view of a rubber cover.

* Description of the symbols for the main parts of the drawings *

10: ship 30: main body

31: tunnel 32: auxiliary wing

33: arrow keys 34, 35: first and second joints

36: air inlet shield 40: swing body

50: swing body housing 70: tilting cylinder

80: steering cylinder 90: propeller

100: power transmission unit

An embodiment of the present invention configured as described above will be described in detail with reference to the accompanying drawings.

Figure 2 is a plan view of the propeller and steering apparatus of the present invention small ship, Figure 3 is a side view, as shown in the swing body housing 50 is jointed to the rear 10 of the ship, the swing body housing 50 In the swing body 40, the main body 30 is coupled to the swing body 40 again.

The main body 30 is composed of each component integrally. That is, as in the prior art, the tunnel structure is not integrally coupled to the basic structure, and the tunnel structure having the semicircular shape at the end thereof is integrally located.

The main body 30 includes a tunnel 31 covering the power transmission unit 100 and the propeller 90, an auxiliary wing 32 positioned at the stern side of the tunnel 31, and the propeller 90. The first and second joint substrates 34 and 34, which are integrally provided with a direction key 33 positioned at the lower side, to which one side of the tilting cylinder 70 and the steering cylinder 80 can be jointed, respectively, in the upper portion of the tunnel. 35) and an air inlet shield 36 which has a shape protruding from the lower side of the auxiliary wing 32 and which is submerged in water when propelled, shields the inflow of air from the outside.

The main body 30 is configured in one piece. In other words, the tunnel 31, the auxiliary wing 32, and the direction key 33 is integrally formed. The main body 30, in which each structure is integrally formed by casting, is formed by processing such as polishing. Such an integrated structure can prevent the directional key 33, the auxiliary wing 32, etc. from being separated from the body and being lost or damaged by collision with a foreign object during propulsion. To increase the durability and to alleviate the impact can be made by the tilting cylinder 70 it is possible to improve the reliability.

The first and second joint substrates 34 and 35 of the main body 30 are connected to one side of the tilting cylinder 70 and the steering cylinder 80, respectively, and the other side of the tilting cylinder 70 is the swing body. The other side of the steering cylinder 80 is connected to the rear 10 of the ship.

By using two cylinders as described above, the main body 30 can be driven up, down, left and right, thereby increasing the driving angle (reducing the radius of rotation of the actual ship) and providing convenience of steering. .

The main body 30 is inclined at a downward angle of about 10 degrees from the stern 10 by the tilting cylinder 70 and the steering cylinder 80, which is generally known as an angle capable of generating the greatest driving force. have.

The tunnel 31 of the main body 30 covers the upper side of the propeller 90, and the side edge portion of the tunnel 31 can be located below the surface of the water so that air flows to the propeller when the ship proceeds. You can block inflow.

In addition, the shape of the end edge of the tunnel 31, ie, the shape seen from the rear side of the main body 30, represents a square shape corresponding to the shape of the propeller 90.

This is a structure that can prevent the dispersion of the propulsion force by the drive of the propeller 90, thereby improving the propulsion force of the propeller (90).

The auxiliary wing 32 of the main body 30 is a means for maintaining the balance of the entire main body 30, it can also block the water splashing into the ship by the drive of the propeller (90).

In addition, the main feature of the auxiliary wing 32 is that the auxiliary wing 32 is configured to proceed with the water first when the ship proceeds in comparison with the main body 30, the resistance of the water when the main body 30 proceeds This can reduce the driving force, which improves the driving force.

In addition, the direction key 33 has a structure in which a fishing net, a safety net, and the like are not caught below the main body 30 when the ship proceeds, and the net is not wound around the propeller 90.

The direction key 33 has a shape in which the edge of the direction connected to the swing body 40 is inclined in an oblique direction with respect to the traveling direction of the ship, which is a shape that can easily cross the net even when the ship passes the net. .

In addition, the shape of the opposite edge of the direction key 33 is also inclined at the same direction as the corner of the swing body 40 side described above.

Due to the structure of the corner, the end portion of the direction key 33 shows a structure overlapping with the propeller 90 when viewed in the vertical direction. By inclining the edge of the propeller 90 side of the direction key 33 so that it can overlap about 2/3 of the length of the central axis of the propeller 90, the net can flow to the rear of the vessel even when the net is exceeded. It is configured so that the net is not caught by the propeller 90.

The air inlet shield 36, which is part of the main body 30, is configured such that the structure of the tunnel 31 is located only on the upper side, so that air flowing from the bottom of the rear surface 10 of the vessel cannot be shielded. As a structure for shielding the air flowing in the progress, the size is smaller than the auxiliary wing 32, and arranged to be inclined at a predetermined angle with respect to the water surface so as to block the inflow of air without receiving a large resistance of water.

The first joint base 34 is to be connected to the tilting cylinder 70, the other side of the tilting cylinder 70 is connected to the third joint base 41 provided on the upper end of the swing body (40).

At this time, the third joint base material 41 protrudes from the upper side of the swing body 40 toward the stern 10, and accordingly, the third joint base material 41 is the swing body 40 and the swing body housing. When the 50 is jointed, it is positioned above the swing body housing 50.

The structure of the swing body 40 has a hinge coupling hole that can be jointed with the main body 30 in the transverse direction, the center has a joint housing insertion hole into which the power transmission unit 100 is inserted.

At this time, the joint housing insertion hole is a single sphere, and has a hinged coupling hole on the upper and lower sides for coupling with the swing body housing 50.

The swing body housing 50 also has a locking hole corresponding to the vertical locking hole located in the swing body 40, and has a joint base material that can be jointed to the stern 10 at the rear side.

Features of such a configuration is that by inserting the horizontal hinge 44 in the horizontal locking hole of the swing body 40, and binding with the main body 30, the main body 30 by the tilting cylinder 70 Allow to move up and down.

In addition, since the swing body 40 and the swing body housing 50 are crushed by the vertical hinge 43, the swing body housing 50 is fixed, the swing body 40 can move from side to side, As a result, the main body can be steered left and right.

The left and right movement of the swing body 40 is enabled by the steering cylinder 80 connected to the second joint base 35 and the stern 10 of the main body 30.

At this time, the left and right driving angle of the main body 30 is determined by the structure of the swing body 40 and the swing body housing 50, which is when the swing body 40 and the swing body housing 50 are jointed. It is determined by the degree of adhesion and the like, and steering is usually possible at 60 degrees or more.

As described above, the present invention enables the main body 30 mounted with the propeller to be easily moved up, down, left and right by using the tilting cylinder 70 and the steering cylinder 80 together, thereby improving the convenience of steering.

As described above, the main body 30, the swing body 40, and the swing body housing 50 are organically coupled and easily driven up, down, left, and right, and have a suitable propeller 90 driving shaft.

Figure 4 is a side cross-sectional view of the present invention, Figure 5 is a perspective view of the universal joint 110, Figure 6 is a perspective view of the shaft 130, Figure 7 is a perspective view of the joint housing 120, Figure 8 is a rubber cover 140 As a perspective view, as shown here, the power transmission unit 100 for driving the propeller 90 includes a universal joint 110, a joint housing 120, and a shaft connecting the universal joint 110 and the propeller ( 130, and a rubber cover 140 for smooth operation of the bendable portion of the universal joint 110.

The universal joint 110 has a constitutive feature that can be bent up, down, left, and right, thereby allowing the power of the engine to be transmitted to the propeller without loss even if the main body 30 moves up, down, left, and right.

The rubber cover 140 has wrinkles formed on the outer circumferential surface thereof so that the rubber cover 140 can be easily bent along the direction in which the universal joint 110 is bent.

The above structure can be thought of as divided into two joint parts.

One is an external joint consisting of the main body 30, the swing body 40, the swing body housing 50, and the other is the power of the engine to the propeller 90 regardless of the angle change of the propeller 90 It is an internal joint part including a universal joint 110, a joint housing 120, a shaft 130, and a rubber cover 140 capable of minimizing loss.

As described above, the present invention divides the propeller into a main body, a swing body, and a swing body housing so as to move the propeller up, down, left, and right, thereby providing a larger steering angle.

In addition, the main body provides a shape of the tunnel portion defining the space in which the propeller is driven in the shape of a semicircle, thereby improving the propulsion force by preventing the propeller force from being dispersed.

And the main body is attached to the auxiliary wing to balance the whole, reducing the resistance between the water and the tunnel portion has the effect of improving the propulsion force more, the bottom of the auxiliary wing has an air inlet shielding base to propeller during the ship's progress It is effective to prevent the fall of propulsion force by blocking the inflow of air into the furnace.

In addition, the direction key is configured so that the edge of the propeller part overlaps with the propeller, so that the rope or the net is wound around the propeller to prevent the ship from stopping or causing an accident, thereby improving the reliability and stability. .

Claims (5)

A tunnel covering the shaft and the propeller, an auxiliary wing positioned at the stern side of the tunnel, a direction key located at the lower side of the propeller, an air inlet shielding portion at the lower side of the auxiliary wing, and a tilting cylinder at the upper portion of the tunnel. One side of the steering cylinder is integrally provided with the first and second joint materials, which can be jointed, respectively, to protect the propeller, and to bind the main body to steer the ship and the main body to move up and down. A first joint part including a swing body having a tilting cylinder binding material at an upper portion thereof, and a swing body housing connecting the swing body and the rear end of the ship to integrally move the swing body and the main body side to side; The main body is bent up, down, left, and right according to the swing direction of the main body, the universal joint transmitting the power of the engine, the shaft transmitting the power of the universal joint to the propeller, and protects the universal joint and prevents the operation of the universal joint Propulsion and steering apparatus for small vessels, characterized in that consisting of a second joint portion including a rubber cover having a plurality of wrinkles on the outer peripheral surface. delete According to claim 2, The main body of the tunnel is a shape that increases from the rear end of the auxiliary wing to the upper and left and right sides to increase the propeller drive space in the inner side, the shape of the end is a small semicircular shape Propulsion and steering of ships. According to claim 2, The direction of the direction key is lower than the bottom of the ship and protruded toward the propeller side, the propeller and the lower end portion is partially overlapped when viewed in the vertical direction and the lower end of the stern side is curved inwardly Propeller and steering device of a small ship, characterized in that bent to achieve. 2. The compact body according to claim 1, wherein the tilting cylinder binding base of the swing body protrudes from the upper side of the main body of the swing body to the stern side and is located above the swing body housing when it is engaged with the swing body housing. Propulsion and steering of ships.