Rudder system, vessel and assembly method

By setting mounting slots and openings on the rudder blade, combined with the limiting structure of the sealing plate and strip plate, the problem of excessive gap between the rudder blade and the rudder sleeve is solved, realizing stable installation and efficient assembly of the rudder sleeve, and improving the operational stability of the ship.

CN118811065BActive Publication Date: 2026-02-27SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411135735.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2026-02-27
Estimated Expiration
2044-08-19

AI Technical Summary

Technical Problem

In existing technologies, the connection gap between the rudder blade and the rudder sleeve is too large, which affects the connection stability of the rudder sleeve.

Method used

The rudder blade has a structure with a mounting groove and an opening. The rudder sleeve enters the mounting groove through the opening and is press-fitted for stability. The sealing plate assembly includes a sealing plate and strip plates. There is a gap between the sealing plate and the rudder blade. The strip plates are respectively set at the gap and connected by hinges. During assembly, the strip plates are installed first and then the sealing plate to form a stable limiting structure.

Benefits of technology

It improves the installation efficiency and stability of the rudder sleeve, reduces the installation difficulty, ensures the effective limiting and force optimization of the rudder sleeve, and enhances the operational stability of the ship.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN118811065B_ABST
    Figure CN118811065B_ABST
Patent Text Reader

Abstract

The application belongs to the technical field of ship manufacturing, and discloses a rudder system structure, a ship and an assembling method. The rudder system structure comprises a rudder blade, a rudder sleeve and a sealing plate assembly. The rudder blade is provided with a mounting groove and an opening. The mounting groove is arranged at the top of the rudder blade, and the opening is arranged at the first side surface of the rudder blade. The mounting groove and the opening are communicated. The first end of the rudder sleeve enters the mounting groove through the opening and is stably pressed. The sealing plate assembly is used for sealing the opening. The sealing plate assembly comprises a sealing plate and a strip-shaped plate. The sealing plate and the rudder blade have a first gap and a second gap. Two strip-shaped plates are arranged in the first gap and the second gap respectively. The sealing plate assembly of the rudder system structure comprises the sealing plate and the strip-shaped plate. The two strip-shaped plates are arranged between the sealing plate and the rudder blade to form the first gap and the second gap. The strip-shaped plate can better limit the rudder sleeve. In the installation process, the strip-shaped plate and the rudder blade are connected first, so that the installation difficulty is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ship manufacturing, in particular to a rudder system structure, a ship and an assembling method. BACKGROUND

[0002] As a main system of ship maneuverability, the rudder system is very important in ship design. The shaft system and the rudder system cooperate with each other to realize the functions of forward driving, reverse driving, turning and emergency stopping of the ship. In the rudder system, the rudder sleeve is driven by the rudder engine to rotate the rudder blade to achieve the purpose of turning.

[0003] In the prior art, a groove is formed on the rudder blade for installing the rudder blade and the rudder sleeve from the side, and after installation, a sealing plate is used to seal the groove. However, this installation method will cause a large gap between the sealing plate and the rudder blade and the rudder sleeve, which will affect the stability of the connection between the rudder sleeve and the rudder blade.

[0004] Therefore, there is a need for a rudder system structure and an assembling method to solve the above problems. SUMMARY

[0005] The present application aims to provide a rudder system structure, a ship and an assembling method to solve the problem of large limiting gap of the rudder sleeve in the prior art, which affects the stability of the connection of the rudder sleeve.

[0006] To achieve this purpose, the present application adopts the following technical solutions:

[0007] The rudder system structure comprises a rudder blade, a rudder sleeve and a sealing plate assembly. The rudder blade is provided with an installation groove and an opening. The installation groove is formed on the top of the rudder blade, and the opening is formed on the first side of the rudder blade. The installation groove and the opening are connected. The first end of the rudder sleeve enters the installation groove through the opening and is stably pressed. The sealing plate assembly is used to seal the opening. The sealing plate assembly comprises a sealing plate and a strip-shaped plate. The sealing plate and the rudder blade have a first gap and a second gap. Two strip-shaped plates are arranged in the first gap and the second gap, respectively.

[0008] As an optional technical solution, the sealing plate has a first arc-shaped surface, the strip-shaped plate has a second arc-shaped surface, the first arc-shaped surface, the two second arc-shaped surfaces and the inner side surface of the installation groove form an installation space, and the first end of the rudder sleeve is accommodated in the installation space.

[0009] As an optional technical solution, the outer side surface of the sealing plate is a curved surface, and the curved surface and the first side surface are smoothly transitioned.

[0010] As an optional technical solution, the top surface of the sealing plate and / or the top surface of the strip-shaped plate is coplanar with the top surface of the rudder blade.

[0011] As an optional technical solution, one end of the sealing plate is connected with the rudder blade through a hinge.

[0012] As an optional technical solution, the hinge is provided with at least two groups, and the two groups of hinges are arranged along the height direction of the rudder blade.

[0013] The application also adopts the following technical solutions:

[0014] A ship, comprising the rudder system structure as described above.

[0015] The application also adopts the following technical solutions:

[0016] An assembling method for installing in the ship as described above, comprising the following steps:

[0017] S10, hoisting the rudder sleeve;

[0018] S20, moving the rudder blade from one side of the rudder sleeve, so that the first end of the rudder sleeve enters the mounting groove of the rudder blade from the opening;

[0019] S30, respectively installing two strip-shaped plates to two sides of the opening of the rudder blade;

[0020] S40, lifting the rudder blade, so that the rudder sleeve is press-fitted in the mounting groove of the rudder blade;

[0021] S50, installing the sealing plate, so that the sealing plate seals the remaining part of the opening.

[0022] As an optional technical solution, the S30 comprises the following steps:

[0023] S31, respectively welding two strip-shaped plates and the rudder blade to form a first weld and a second weld;

[0024] S32, polishing the first weld and the second weld.

[0025] As an optional technical solution, the step S50 specifically installs the sealing plate to the opening of the rudder blade, and welds the sealing plate with the rudder blade.

[0026] The application has the following beneficial effects:

[0027] The application provides a rudder system structure, which comprises a rudder blade, a rudder sleeve and a sealing plate assembly, the rudder blade is provided with a mounting groove and an opening, the mounting groove is arranged at the top of the rudder blade, the opening is arranged at the first side of the rudder blade, and the mounting groove and the opening are communicated, the first end of the rudder sleeve enters the mounting groove through the opening and is stably pressed, and the sealing plate assembly is used for sealing the opening, wherein the sealing plate assembly comprises a sealing plate and strip-shaped plates, the sealing plate and the rudder blade have first and second gaps, and the two strip-shaped plates are arranged in the first and second gaps respectively.

[0028] The application further discloses a ship, which comprises the above-mentioned rudder system structure, the efficiency of installing the rudder sleeve is high, the rudder sleeve is effectively limited, the stress of the rudder sleeve is effectively optimized, and the use stability is improved.

[0029] The application further discloses an assembling method, the rudder blade is moved from one side of the rudder sleeve, the rudder sleeve enters the mounting groove through the opening, the two strip-shaped plates are respectively installed on the two sides of the rudder sleeve, the two strip-shaped plates are welded with the rudder blade, then the welding seams are polished, the top surfaces of the strip-shaped plates are painted, the rudder blade is lifted after the paint is dried, the rudder sleeve is pressed in the mounting groove of the rudder blade, and finally the sealing plate is installed on the rudder blade. The installation method reduces the installation difficulty, ensures that the rudder sleeve is well limited, and improves the stability of the ship. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic view of the rudder system structure of the embodiment of the application;

[0031] Figure 2 is a structural schematic view of the rudder sleeve of the embodiment of the application;

[0032] Figure 3 is a connection schematic view of the rudder blade and the sealing plate assembly of the application;

[0033] Figure 4 is Figure 3 is a local enlarged view of A in FIG. 8;

[0034] Figure 5 is a flow chart of the assembling method in the embodiment.

[0035] In the drawings:

[0036] 1, rudder system structure;

[0037] 10, rudder blade; 11, mounting groove; 12, first side;

[0038] 20, rudder sleeve; 21, first end;

[0039] 30, closure plate assembly; 31, closure plate; 32, strip plate;

[0040] 40, hinge. DETAILED DESCRIPTION

[0041] The application will be further described below in conjunction with the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not to be used to limit the application. In addition, it is to be understood that, for the purpose of description, only the parts related to the application are shown in the drawings and not all the parts.

[0042] In the description of the application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0043] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature includes the first feature above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature includes the first feature below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0044] In the description of the present embodiment, the terms "upper", "lower", "right", and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0045] As Figures 1 to 4As shown, the rudder system structure 1 provided in the embodiment includes a rudder blade 10, a rudder sleeve 20 and a sealing plate assembly 30, the rudder blade 10 is provided with a mounting groove 11 and an opening, the mounting groove 11 is arranged at the top of the rudder blade 10, the opening is arranged at the first side surface 12 of the rudder blade 10, and the mounting groove 11 and the opening are communicated, the first end 21 of the rudder sleeve 20 enters the mounting groove 11 through the opening and is stably pressed, and the sealing plate assembly 30 is used for sealing the opening, wherein the sealing plate assembly 30 includes a sealing plate 31 and a strip-shaped plate 32, the sealing plate 31 and the rudder blade 10 have a first gap and a second gap, and two strip-shaped plates 32 are arranged in the first gap and the second gap respectively. Specifically, in the embodiment, the rudder blade 10 is provided with the mounting groove 11 and the opening, the mounting groove 11 is arranged at the top of the rudder blade 10, the opening is arranged at the first side surface 12 of the rudder blade 10, and the mounting groove 11 and the opening are communicated, the rudder sleeve 20 can enter the mounting groove 11 through the opening and be stably pressed, the sealing plate assembly 30 includes the sealing plate 31 and the strip-shaped plate 32, the sealing plate 31 is in an arc-shaped plate structure, when the sealing plate 31 is attached to the rudder blade 10, the sealing plate 31 and the rudder blade 10 have the first gap and the second gap, and the two strip-shaped plates 32 are arranged in the first gap and the second gap respectively, which can better limit the rudder sleeve 20 and ensure the stability of the rudder sleeve 20 during use. The separate sealing plate 31 and strip-shaped plate 32 are arranged, the strip-shaped plate 32 is installed first, and then the sealing plate 31 is installed, which avoids the problem that the strip-shaped plate 32 and the rudder sleeve 20 are knocked or even cannot be normally assembled in a fixed connection mode, improves the stability and reduces the assembly difficulty.

[0046] In the embodiment, the first side surface 12 is selected according to the pushing direction of the rudder blade 10, and can be any side surface of the rudder blade 10, which is not described herein.

[0047] Further, the sealing plate 31 has a first arc-shaped surface, the strip-shaped plate 32 has a second arc-shaped surface, the first arc-shaped surface, the two second arc-shaped surfaces and the inner side surface of the mounting groove 11 form a mounting space, and the first end 21 of the rudder sleeve 20 is accommodated in the mounting space. Specifically, in the embodiment, since the cross section of the rudder sleeve 20 is circular, the first arc-shaped surface of the sealing plate 31, the two second arc-shaped surfaces of the two strip-shaped plates 32 and the inner side surface of the mounting groove 11 form the mounting space, and the cross section of the mounting space is also circular, which ensures the limiting stability of the rudder sleeve 20.

[0048] Further, the outer side surface of the sealing plate 31 is a curved surface, and the curved surface and the first side surface 12 are smoothly transitioned. Specifically, in the embodiment, the outer side surface of the sealing plate 31 and the first side surface 12 of the rudder blade 10 are smoothly transitioned, which can ensure that the rudder blade 10 has good integrity and ensure the use performance of the rudder blade 10.

[0049] Further, as shown in FIG. 2, the rudder sleeve 20 is provided with a plurality of limiting grooves 22, and the strip-shaped plate 32 is provided with a plurality of limiting protrusions 321, the limiting protrusions 321 are arranged in the limiting grooves 22, and the limiting protrusions 321 and the limiting grooves 22 are in a form of a snap fit. Specifically, in the embodiment, the rudder sleeve 20 is provided with the plurality of limiting grooves 22, and the strip-shaped plate 32 is provided with the plurality of limiting protrusions 321, the limiting protrusions 321 are arranged in the limiting grooves 22, and the limiting protrusions 321 and the limiting grooves 22 are in the form of the snap fit, which can better limit the rudder sleeve 20 and ensure the stability of the rudder sleeve 20 during use. Figure 3As shown, the top surface of the sealing plate 31 and / or the top surface of the strip-shaped plate 32 is coplanar with the top surface of the rudder blade 10. Specifically, in this embodiment, the top surface of the sealing plate 31, the top surface of the two strip-shaped plates 32, and the top surface of the rudder blade 10 are coplanar, which can improve the support performance of the rudder blade 10 and the sealing plate assembly 30 on the rudder sleeve 20 and ensure the use stability of the rudder sleeve 20.

[0050] Further, one end of the sealing plate 31 is connected to the rudder blade 10 through the hinge 40. Specifically, in this embodiment, one end of the sealing plate 31 is connected to the rudder blade 10 through the hinge 40, which can facilitate the turning of the sealing plate 31 to be attached to the rudder blade 10 after the rudder sleeve 20 enters the mounting groove 11 through the opening, thereby avoiding the problems of more parts, easy loss, and easy installation error in the conventional method.

[0051] Further, referring to Figure 3 and Figure 4 , the hinge 40 is provided with at least two groups, and the two groups of hinges 40 are arranged along the height direction of the rudder blade 10. Specifically, in this embodiment, the hinge 40 is provided with two groups, and the two groups of hinges 40 can improve the stability of the connection between the sealing plate 31 and the rudder blade 10 and improve the installation precision of the sealing plate 31.

[0052] In this embodiment, a ship is also provided, which comprises the rudder system structure 1 described above. The ship has high efficiency when installing the rudder sleeve 20, effectively limits the rudder sleeve 20, effectively optimizes the stress of the rudder sleeve 20, and improves the use stability.

[0053] As shown in Figure 5 , in this embodiment, an assembly method is also provided, which is used for installing a ship as described above. The assembly method specifically comprises the following steps.

[0054] S10, hoisting the rudder sleeve 20.

[0055] The rudder sleeve 20 is hoisted by the lifting device, and the rudder sleeve 20 is located at a predetermined height.

[0056] S20, moving the rudder blade 10 from one side of the rudder sleeve 20 so that the first end 21 of the rudder sleeve 20 enters the mounting groove 11 of the rudder blade 10 from the opening.

[0057] Specifically, one end of the sealing plate 31 is connected to the rudder blade 10 through the hinge 40, the other end of the sealing plate 31 is spot-welded and fixed to the rudder blade 10 during the material transportation process, the other end of the sealing plate 31 is separated from the rudder blade 10 to open the opening before installation; then the rudder blade 10 is moved from one side of the rudder sleeve 20 so that the first end 21 of the rudder sleeve 20 enters the mounting groove 11 of the rudder blade 10 from the opening.

[0058] The moving way of the rudder blade 10 can be hoisting by a lifting tool or using a horizontal moving device such as a hydraulic lifting device, which is not described herein.

[0059] S30, respectively installing two strip plates 32 to two sides of the opening of the rudder blade 10.

[0060] Specifically, S30 includes the following steps:

[0061] S31, respectively welding the two strip plates 32 and the rudder blade 10 to form a first weld and a second weld.

[0062] Specifically, one strip plate 32 is tightly attached to one side wall of the rudder blade 10, and welding is performed between the strip plate 32 and the rudder blade 10 to form a first weld, and the other strip plate 32 is tightly attached to the other side wall of the rudder blade 10, and welding is performed between the strip plate 32 and the rudder blade 10 to form a second weld.

[0063] In this embodiment, the strip plate 32 is connected to the cover plate 31 by spot welding when the strip plate 32 and the cover plate 31 are delivered, and the strip plate 32 needs to be removed from the cover plate 31 before installation. The purpose of this arrangement is to ensure that the size of the cover plate 31 and the size of the strip plate 32 are matched, to ensure better connection performance between the strip plate 32 and the cover plate 31, to avoid material loss during assembly, and to facilitate on-site construction to find materials at any time, thereby ensuring assembly efficiency.

[0064] S32, polishing the first weld and the second weld.

[0065] Specifically, a polishing tool is used to polish the first weld and the second weld to ensure the flatness of the first weld and the second weld, effectively improve the welding quality, and facilitate the subsequent welding of the cover plate 31.

[0066] S40, lifting the rudder blade 10 so that the rudder sleeve 20 is pressed into the mounting groove 11 of the rudder blade 10.

[0067] Specifically, the rudder blade 10 is lifted, and the rudder sleeve 20 is pressed into the mounting groove 11 of the rudder blade 10 to complete the connection of the rudder sleeve 20 and the rudder blade 10. At this time, the top surfaces of the rudder sleeve 20 and the rudder blade 10 and the top surface of the strip plate 32 are located in the same plane.

[0068] S50, installing the cover plate 31 to block the remaining part of the opening.

[0069] Specifically, the cover plate 31 is turned over so that the cover plate 31 is rotated around the hinge 40 until the cover plate 31 blocks the remaining part of the opening, then the cover plate 31 and the rudder blade 10 are welded according to a preset welding sequence to form a third welding seam, and then the third welding seam is polished to ensure the flatness of the third welding seam, effectively improving the welding quality.

[0070] Specifically, after the welding of the cover plate 31 is completed, the rudder system structure 1 is subjected to a whole painting operation again to improve the overall appearance of the rudder system structure.

[0071] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present application. Here, it is unnecessary and impossible to enumerate all the implementation modes. Any modification, equivalent substitution and improvement within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A rudder system structure, characterized in that, The rudder system structure (1) includes a rudder blade (10), a rudder sleeve (20), and a sealing plate assembly (30). The rudder blade (10) has a mounting groove (11) and an opening. The mounting groove (11) is located at the top of the rudder blade (10), and the opening is located on the first side (12) of the rudder blade (10). The mounting groove (11) and the opening are connected. The first end (21) of the rudder sleeve (20) enters the mounting groove (11) through the opening and is press-fitted securely. The sealing plate assembly (30) is used to seal the opening. The sealing plate assembly (30) includes a sealing plate (31) and a strip plate (32). There is a first gap and a second gap between the sealing plate (31) and the rudder blade (10). The two strip plates (32) are respectively disposed in the first gap and the second gap. The sealing plate (31) and the strip plate (32) are separately disposed, so that the strip plate (32) can be installed first and then the sealing plate (31) can be installed.

2. The rudder system structure according to claim 1, characterized in that, The sealing plate (31) has a first arc-shaped surface, the strip plate (32) has a second arc-shaped surface, the first arc-shaped surface, the two second arc-shaped surfaces and the inner side of the mounting groove (11) form an installation space, and the first end (21) of the rudder sleeve (20) is accommodated in the installation space.

3. The rudder system structure according to claim 1, characterized in that, The outer side of the sealing plate (31) is a curved surface, and the curved surface and the first side surface (12) are smoothly transitioned.

4. The rudder system structure according to claim 1, characterized in that, The top surface of the sealing plate (31) and / or the top surface of the strip plate (32) are coplanar with the top surface of the rudder blade (10).

5. The rudder system structure according to claim 1, characterized in that, One end of the sealing plate (31) is connected to the rudder blade (10) via a hinge (40).

6. The rudder system structure according to claim 5, characterized in that, The hinge (40) is provided in at least two sets, and the two sets of hinges (40) are spaced apart along the height direction of the rudder blade (10).

7. A ship, characterized in that, The vessel includes a steering system as described in any one of claims 1-6.

8. An assembly method, said assembly method for installing the vessel as described in claim 7, characterized in that, The assembly method includes the following steps: S10. Hoist the rudder sleeve (20); S20. Move the rudder blade (10) from one side of the rudder sleeve (20) so that the first end (21) of the rudder sleeve (20) enters the mounting groove (11) of the rudder blade (10) from the opening. S30. Install the two strip plates (32) onto both sides of the opening of the rudder blade (10); S40, Raise the rudder blade (10) so that the rudder sleeve (20) is pressed into the mounting groove (11) of the rudder blade (10); S50. Install the sealing plate (31) so that the sealing plate (31) seals the remaining part of the opening.

9. The assembly method according to claim 8, characterized in that, S30 includes the following steps: S31. The two strip plates (32) and the rudder blade (10) are welded together to form a first weld and a second weld respectively. S32. Grind the first weld and the second weld.

10. The assembly method according to claim 9, characterized in that, Specifically, S50 involves installing the sealing plate (31) to the opening of the rudder blade (10) and welding the sealing plate (31) to the rudder blade (10).

Citation Information

Patent Citations

  • Rudder system, ship and installation method of rudder system

    CN117382866A

  • A assembly structure of a rudder for ship

    KR1020150051065A