CN114701635B - Marine guide wheel regulation and control rudder - Google Patents

Abstract

The invention provides a marine guide wheel regulation rudder, which comprises: the rudder stock, rigid frame, elastic rudder body and guide pulley, the elastic rudder body locates in the rigid frame, and front end and rear end of the elastic rudder body all with rigid frame fixed connection, be equipped with the cavity in the elastic rudder body, the rudder stock and rigid frame fixed connection, be equipped with the interior axle in the rudder stock, the interior axle passes the cavity, be equipped with the guide pulley on the interior axle, when the elastic rudder body and interior axle take place relative rotation, the guide pulley can make the elastic rudder body take place elastic deformation through relative rotation. The invention discloses a guide wheel regulation and control rudder for a ship. In a straight sailing state, the rudder blade keeps a symmetrical wing shape, and smaller resistance is ensured; in a steering state, the cross section of the rudder is in an asymmetric airfoil shape, and larger lift force can be generated, so that the steering effect is effectively improved.

Description

A kind of ship guide wheel control rudder

technical field

The invention relates to the technical field of ships, in particular to a ship-used guide wheel regulating rudder.

Background technique

As an important ship equipment, the rudder device plays a decisive role in the maneuverability of the ship, and the rudder blade, as the terminal part of the rudder device, has a significant impact on the ship's course stability and turning performance. Considering the two-way symmetry of the function of the rudder blade, the profile of the rudder blade is usually a symmetrical airfoil. In the state of direct sailing, the symmetrical airfoil has less resistance; but in the steering state, the lift of the symmetrical airfoil around the flow is small, the rudder effect is low, and the maneuverability of the ship is poor.

Contents of the invention

The invention provides a marine guide wheel regulating rudder to solve the above problems.

A marine guide wheel control rudder, comprising: a rudder stock, a rigid frame, an elastic rudder body and a guide wheel, the elastic rudder body is arranged in the rigid frame, and the front end and the rear end of the elastic rudder body are connected to the The rigid frame is fixedly connected, the elastic rudder body is provided with a cavity, the rudder stock is fixedly connected with the rigid frame, the rudder stock is provided with an inner shaft, and the inner shaft passes through the cavity, so The inner shaft is provided with the guide wheel, and when the elastic rudder body rotates relative to the inner shaft, the guide wheel can elastically deform the elastic rudder body through relative rotation.

Further, the rigid frame includes a top seal body, a bottom seal body, a first seal body and a tail seal body, and the top seal body and the bottom seal body are both plate-shaped structures adapted to the cross-sectional shape of the elastic rudder body , the two ends of the first seal body are respectively fixed on the front end of the top seal body and the front end of the tail seal body, and the two ends of the tail seal body are respectively fixed on the rear end of the top seal body and the rear end of the tail seal body rear end.

Further, a limiting plate arranged along the fore and stern line of the elastic rudder body is arranged between the top sealing body and the bottom sealing body, and the limiting plate includes a first limiting plate, a tail limiting plate and a middle limiting plate. The first limiting plate is fixedly connected to the first sealing body, the tail limiting plate is fixedly connected to the tail sealing body, and the limiting plates are all arranged in the cavity.

Further, the cavity includes a first cavity, a tail cavity and an intermediate cavity, the first limiting plate is arranged in the first cavity, and the tail limiting plate is arranged in the tail cavity, The middle limit plate and the guide wheel are arranged in the middle cavity.

Further, a flexible pad is provided on the inner wall of the intermediate cavity, and the guide wheel abuts against the flexible pad during rotation.

Further, the thickness of the cavity is the sum of the preset arch height at the corresponding chord position and the thickness of the limiting plate.

The invention discloses a marine guide wheel regulating rudder. An elastic rudder body is arranged in a rigid frame, and a guide wheel is arranged inside the rudder. According to the steering situation, the cross-sectional shape of the rudder blade is adjusted by rotating the guide wheel. In the straight flight state, the rudder blade maintains a symmetrical airfoil to ensure less resistance; in the rudder state, the rudder section is an asymmetrical airfoil, which can generate greater lift, thereby effectively improving the rudder efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of a marine guide wheel regulating rudder disclosed in an embodiment of the present invention;

Fig. 2 is a schematic diagram of a rigid frame structure disclosed in an embodiment of the present invention;

Fig. 3 is a partial enlarged view of the elastic rudder body disclosed in the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of the inner shaft and the guide wheel disclosed in the embodiment of the present invention;

Fig. 5 is a schematic diagram of a marine guide wheel regulating rudder disclosed in an embodiment of the present invention in a straight state;

Fig. 6 is a schematic diagram of a marine guide wheel regulating rudder disclosed in an embodiment of the present invention in a rudder steering state.

In the figure: 1, rudder stock; 2, rigid frame; 3 top seal; 4, bottom seal; 5, first seal; 6, tail seal; 7, elastic rudder body; 8, guide wheel; 10, first Cavity; 11, tail cavity; 12, middle cavity; 13, inner shaft; 15, first limiting plate; 16, tail limiting plate; 17, middle limiting plate; 18, flexible backing plate.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 1-4, this embodiment discloses a marine guide wheel regulating rudder, including: a rudder stock 1, a rigid frame 2, an elastic rudder body 7 and a guide wheel 8, and the elastic rudder body 7 is arranged on the In the rigid frame 2, and the front end and the rear end of the elastic rudder body 7 are fixedly connected with the rigid frame 2, the elastic rudder body 7 is provided with a cavity, the rudder stock 1 and the rigid frame 2 Fixedly connected, the rudder stock 1 is provided with an inner shaft 13, the inner shaft 13 passes through the cavity, the inner shaft 13 is provided with the guide wheel 8, when the elastic rudder body 7 and the When the inner shaft 13 rotates relative to each other, the guide wheel 8 can elastically deform the elastic rudder body 7 through the relative rotation.

The invention discloses a marine guide wheel regulating rudder. An elastic rudder body is arranged in a rigid frame, and a guide wheel is arranged inside the rudder. According to the steering situation, the cross-sectional shape of the rudder blade is adjusted through the relative rotation of the elastic rudder body and the guide wheel. In the straight flight state, the rudder blade maintains a symmetrical airfoil to ensure less resistance; in the rudder state, the rudder section is an asymmetrical airfoil, which can generate greater lift, thereby effectively improving the rudder efficiency.

In this embodiment, the elastic rudder body 7 is made of rubber with good elasticity, and is connected with the rigid frame by special glue. or screw connection. When in use, in the direct flight state, as shown in Figure 5, the elastic rudder body 7 is in an unstressed state, maintaining a symmetrical airfoil, and the water resistance is small; , so that the rigid frame 2 rotates, the elastic rudder body 7 rotates with the rigid frame 2, the inner shaft 13 remains stationary, the guide wheel 8 and the elastic rudder body 7 rotate relative to each other, so that the elastic rudder body 7 undergoes elastic deformation, and the middle part has a certain transverse direction The amount of offset is shifted from the high-pressure surface (upflow surface) to the low-pressure surface (backflow surface), and the rudder section becomes an asymmetrical airfoil with camber. At this time, the rudder shape can generate greater lift, thereby effectively improving Rudder effect.

Further, the rigid frame 2 includes a top seal body 3, a bottom seal body 4, a first seal body 5 and a tail seal body 6, and the top seal body 3 and the bottom seal body 4 are transverse to the elastic rudder body 7. A plate-like structure with a suitable cross-sectional shape is a symmetrical airfoil plate body in this embodiment. The two ends of the first seal body 5 are respectively fixed to the front end of the top seal body 3 and the front end of the tail seal body 6, so Both ends of the tail seal body 6 are respectively fixed to the rear end of the top seal body 3 and the rear end seal body 6 .

In this embodiment, in order to further ensure the stability of the elastic rudder body 7 in the direct flight state, the elastic rudder body 7 is fixedly connected with the top seal body 3, the bottom seal body 4, the first seal body 5 and the tail seal body 6, and the steering In this state, the elastic rudder body 7 is a symmetrical airfoil from the connection between the upper and lower ends and the rigid frame 2, and then transitions to an asymmetrical airfoil in the middle. By setting the number and position of the guide wheels, the size of the transition area can be adjusted to improve the rudder performance.

Between the top seal body 3 and the bottom seal body 4, there are limit plates arranged along the fore and stern lines of the elastic rudder body 7, and the limit plates include a first limit plate 15, a tail limit plate 16 and a middle limit plate. Limiting plate 17, the first limiting plate 15 is fixedly connected with the first sealing body 5, the tail limiting plate 16 is fixedly connected with the tail sealing body 6, and the limiting plates are all located in the hollow cavity.

The cavity includes a first cavity 10, a tail cavity 11 and an intermediate cavity 12, the first limiting plate 15 is arranged in the first cavity 10, and the tail limiting plate 16 is arranged in the tail cavity In the cavity 11 , the middle limiting plate 17 and the guide wheel 8 are arranged in the middle cavity 12 .

The limit plate cooperates with the cavity to control the maximum offset of the elastic rudder body 7. When the limit plate is against the side wall of the cavity, the elastic rudder body 7 reaches the maximum offset. The size of each cavity can be adjusted according to actual needs , the thickness of the cavity is the sum of the preset arching height at the corresponding chord position and the thickness of the limit plate, the preset arching height is the preset maximum offset, which is the offset of the elastic rudder body to both sides The sum of the maximum offsets.

In this embodiment, a flexible pad 18 is provided on the inner wall of the middle cavity 12 , and the guide wheel 8 abuts against the flexible pad 18 during rotation. In this embodiment, the flexible backing plate 18 is a metal backing plate with good elasticity. The guide wheel 8 abuts against the metal backing plate to prevent damage to the elastic rudder body 7 in the process of relative rotation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (6)

1. A marine idler regulation rudder comprising: the rudder stock (1), the rigid frame (2), the elastic rudder body (7) and the guide wheel (8), the elastic rudder body (7) is arranged in the rigid frame (2), the front end and the rear end of the elastic rudder body (7) are fixedly connected with the rigid frame (2), a cavity is arranged in the elastic rudder body (7), the rudder stock (1) is fixedly connected with the rigid frame (2), an inner shaft (13) is arranged in the rudder stock (1), the inner shaft (13) penetrates through the cavity, the guide wheel (8) is arranged on the inner shaft (13), when the rudder stock (1) rotates, the rigid frame (2) rotates, the elastic rudder body (7) rotates along with the rigid frame (2), the inner shaft (13) keeps static, and the guide wheel (8) and the elastic rudder body (7) rotate relatively to enable the elastic rudder body (7) to deform elastically.

2. The marine guide wheel regulating rudder according to claim 1, wherein the rigid frame (2) comprises a top seal body (3), a bottom seal body (4), a head seal body (5) and a tail seal body (6), the top seal body (3) and the bottom seal body (4) are both plate-shaped structures which are adaptive to the cross-sectional shape of the elastic rudder body (7), two ends of the head seal body (5) are respectively fixed to the front end of the top seal body (3) and the front end of the tail seal body (6), and two ends of the tail seal body (6) are respectively fixed to the rear end of the top seal body (3) and the rear end of the tail seal body (6).

3. The marine guide wheel regulating rudder according to claim 2, wherein limiting plates are arranged between the top sealing body (3) and the bottom sealing body (4) along the fore-aft line of the elastic rudder body (7), the limiting plates include a head limiting plate (15), a tail limiting plate (16) and a middle limiting plate (17), the head limiting plate (15) is fixedly connected with the head sealing body (5), the tail limiting plate (16) is fixedly connected with the tail sealing body (6), and the limiting plates are all arranged in the cavity.

4. The marine guide wheel regulation rudder according to claim 3, wherein the cavity comprises an initial cavity (10), a tail cavity (11) and a middle cavity (12), the initial limit plate (15) is arranged in the initial cavity (10), the tail limit plate (16) is arranged in the tail cavity (11), and the middle limit plate (17) and the guide wheel (8) are arranged in the middle cavity (12).

5. The marine guide wheel regulating rudder according to claim 4, wherein a flexible backing plate (18) is arranged on the inner wall of the intermediate cavity (12), and the guide wheel (8) abuts against the flexible backing plate (18) during rotation.

6. The marine stator control rudder of claim 3, wherein the cavity has a thickness that is the sum of a predetermined camber height at the corresponding chordwise location and a thickness of the limiting plate.

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