CN112278222A

CN112278222A - Ship rudder blade and swing test method thereof

Info

Publication number: CN112278222A
Application number: CN202011181377.3A
Authority: CN
Inventors: 李斌; 黄思昊; 范伟
Original assignee: Guangzhou Shipyard International Co Ltd
Current assignee: Guangzhou Shipyard International Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-29

Abstract

The invention provides a ship rudder blade and a swing test method thereof, and the ship rudder blade comprises a rudder blade main body and a perforated plate, wherein the perforated plate is arranged at the bottom of the tail ends of two side plates and protrudes outwards, and a working hole penetrating through the perforated plate is arranged on the perforated plate.

Description

Ship rudder blade and swing test method thereof

Technical Field

The invention relates to the field of ships, in particular to a ship rudder blade and a swing test method thereof.

Background

The ship tool usually uses rudder blades to change the advancing direction, the rudder blades are installed on the stern by means of a rudder stock, the rudder blades need to be subjected to swing test in the ship building process, the rudder blades of the current cargo ship type are designed to be provided with rope penetrating holes towards the outer plate from the stern of the rudder blades, the space of the position sealing plate stage in the rudder blade manufacturing process is narrow, the design positions of the rope penetrating holes are not beneficial to construction, and the welding quality of the outer plate of the rudder blades is difficult to ensure, because the positions of the rope penetrating holes of the rudder blades are inconvenient to swing the rudder, the mechanical collision modes of a forklift and the like are still adopted in the test construction operation of swinging the rudder in a dock, the mechanical collision mode operation of the forklift and the like is adopted, the paint quality of the ship rudder blades is damaged, certain potential safety hazards exist, the labor intensity of personnel.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the ship rudder blade which is convenient to process and can pull the rudder blade to carry out swing test and the swing test method thereof.

The invention provides a ship rudder blade which comprises a rudder blade body and a perforated plate, wherein the rudder blade body comprises two side plates, a top plate and a bottom plate, the top plate is arranged at the tops of the two side plates, the bottom plate is arranged at the bottoms of the two side plates, the top plate and the bottom plate form a hollow structure, the perforated plate is arranged at the tail part of the two side plates and is connected with the bottom plate, the perforated plate is arranged in a protruding mode relative to the two side plates, and a working hole penetrating through the perforated plate is formed in the perforated plate.

Preferably, the perforated plate is provided with a first working hole and a second working hole corresponding to each other.

Preferably, the tails of the side plates on the two sides are provided with tail reinforcing structures, and the first working hole and the second working hole are respectively arranged on two sides of the tail reinforcing structures.

Preferably, the aperture plate includes a first portion and a second portion, the first portion protrudes outward to have a first protruding arc edge, the second portion protrudes outward to have a second protruding arc edge, the first working hole is disposed at the first portion, and a ratio of a radius of the first working hole to a radius of the first protruding arc edge is 1: (1-5); the second working hole is arranged on the second part, and the ratio of the radius of the second working hole to the radius of the second protruding arc edge is 1: (1-5).

Preferably, trompil board still includes connection limit, first inner arc limit and second inner arc limit all inwards bend, first inner arc limit, first outstanding arc limit, connection limit, second outstanding arc limit and second inner arc limit connect gradually.

Preferably, the apertured plate is integrally formed with the base plate.

Preferably, the two side plates are provided with rope threading holes.

Preferably, a plurality of hanging yards are arranged on the side plates on the two sides.

Preferably, the two side plates are further provided with a transverse reinforcing structure and a vertical reinforcing structure.

Preferably, the steel wire rope is firstly used for penetrating through a working hole of the ship rudder blade, and then the steel wire rope is pulled by external force to carry out the rudder swinging test.

The ship rudder blade provided by the invention is provided with the perforated plate, the perforated plate is provided with the first working hole and the second working hole which correspond to each other, the perforated plate is convenient to process, the difficulty of manufacturing the rudder blade is reduced, the technical requirements are met, the rudder blade can be pulled to carry out swing test, the installation and debugging efficiency of the rudder blade is improved, the labor intensity of operators is reduced, and the cost is reduced.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a perspective view of a rudder blade structure of a ship provided by an embodiment of the invention;

fig. 2 is a schematic top view of a rudder blade of a ship provided by an embodiment of the invention;

fig. 3 is an enlarged structural schematic diagram of the rudder blade a of the ship provided in fig. 2.

In the figure: 1. a perforated plate; 2. side plates at two sides; 3. a top plate; 4. a tail reinforcing structure; 5. a bottom plate: 11. a first portion; 111. a first protruding arcuate edge; 112. a first inner arc edge; 12. a second portion; 121. a second protruding arc edge; 122. a second inner arc edge; 13. a first working hole; 14. a second working hole; 15. and connecting the edges.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, an embodiment of the present invention provides a rudder blade for a ship, including a rudder blade main body and a perforated plate 1, where the rudder blade main body includes two side plates 2, a top plate 3 and a bottom plate 5, the top plate 3 is disposed on the tops of the two side plates 2, the bottom plate 5 is disposed on the bottoms of the two side plates 2, the top plate 3 and the bottom plate 5 form a hollow structure, the perforated plate 1 is disposed on the tails of the two side plates 2 and connected with the bottom plate 5, the perforated plate 1 is disposed to protrude outward relative to the two side plates 2, and a working hole penetrating through the perforated plate 1.

This embodiment realizes the towed function of wire rope threading through the working hole that sets up trompil board 1 and run through on it, both satisfied rudder blade's technical requirement, and play the effect that the wire rope was towed during the swing test, processing is convenient and use, can improve rudder blade installation, debugging efficiency, reduce operation personnel's intensity of labour, and set up trompil board 1 in rudder blade bottom tail end, realization traction effect that can be better, the boats and ships rudder blade that provides in this embodiment is when installation and swing test, some large-scale size rudder blade time limit for a project can be shortened to present 4 hours by original 4 days, 1300 hours are reduced in single ship man-hour, the dock cycle shortens 3 days, has high economic value.

Referring to fig. 2, in a preferred embodiment, the perforated plate 1 is provided with a first working hole 13 and a second working hole 14 corresponding to each other, the rudder blade swing test requires left-right traction, and the traction effect can be better achieved by providing the first perforated plate 1 and the second perforated plate 1, so that the test efficiency is further improved.

Referring to fig. 1-2, in a preferred embodiment, the tail reinforcing structure 4 is arranged at the tail of the two side plates 2, the first working hole 13 and the second working hole 14 are respectively arranged at two sides of the tail reinforcing structure 4, the connection of the tail of the two side plates 2 of the rudder blade needs high-strength connection, the tail reinforcing structure 4 at the connection part usually uses flat steel, the first working hole 13 and the second working hole 14 are arranged at two sides of the tail reinforcing structure 4, so that the left and right traction of the rudder blade can be realized, the safety is improved, and the rudder blade can be better pulled to perform swing test.

Referring to fig. 2, in a preferred embodiment, aperture plate 1 includes a first portion 11 and a second portion 12, first portion 11 protrudes outward with a first protruding arc edge 111, second portion 12 protrudes outward with a second protruding arc edge 121, first working hole 13 is provided in first portion 11, and the ratio of the radius of first working hole 13 to the radius of first protruding arc edge 111 is 1: (1-5), the ratio can be 1:1, 1:2,1:3, 1:4,1: 5; the second working hole 14 is disposed on the second portion 12, and a ratio of a radius of the second working hole 14 to a radius of the second protruding arc edge 121 is 1: (1-5), the ratio can be 1:1, 1:2,1:3, 1:4,1:5, in this embodiment, the rudder blade body has a large mass, the working hole is used as a tensile eye plate for carrying out a swing test on the traction rudder blade, the position and the size of the hole are subjected to stress analysis, and the arrangement of the hole plate 1 and the first working hole 13 and the second working hole 14 thereon can better carry out the swing test on the traction rudder blade, so that the fracture and damage are avoided, the cost is reduced, and the safety is improved.

Referring to fig. 2, in a preferred embodiment, the tapping plate 1 further includes a connecting edge 15, a first inner arc edge 112 and a second inner arc edge 122, the first inner arc edge 112 and the second inner arc edge 122 are both bent inward, the first inner arc edge 112, the first protruding arc edge 111, the connecting edge 15, the second protruding arc edge 121 and the second inner arc edge 122 are sequentially connected, in this embodiment, the tapping plate 1 is configured to better meet the technical requirements and practicability of rudder blades, and the strength of the tapping plate 1 can be improved, and the safety is better.

Referring to fig. 1-2, in a preferred embodiment, apertured plate 1 is integrally formed with base plate 5 to prevent breakage, improve safety, and provide increased manufacturing efficiency.

Referring to fig. 1-2, in a preferred embodiment, the rope through holes are formed in the side plates 2 on both sides, so that the safety of hoisting through the rope through holes is higher when a large rudder blade is hoisted, and the rope through holes can be matched with the first working holes 13 and the second working holes 14, so that higher rudder blade installation efficiency can be realized, but the rope through holes are generally arranged to penetrate through the side plates 2 on both sides of the rudder blade, and can be arranged in multiple ways, the machining positions of the rope through holes are narrow, the construction is difficult, and the welding quality of the side plates 2 on both sides of the rudder blade is difficult to ensure, so in other embodiments, the rope through holes are not formed in the side plates 2 on both sides, and.

Referring to fig. 1-2, in a preferred embodiment, a plurality of hanging yards are arranged on the side plates 2 on both sides, so that the safety of hoisting through the hanging yards is higher when a large rudder blade is hoisted, and the hanging yards can be matched with the first working holes 13 and the second working holes 14, so that higher installation and test efficiency of the rudder blade can be realized, and in other embodiments, the hanging yards are not arranged on the side plates 2 on both sides, and hoisting is performed in other manners.

Referring to fig. 1-2, in a preferred embodiment, a lateral reinforcing structure and a vertical reinforcing structure are further arranged on the two side plates 2, so that the strength of the rudder blade is improved.

Referring to fig. 1-2, an embodiment of the present invention further provides a method for testing rudder blade swinging of a ship, which is characterized in that a steel wire rope is firstly threaded through a working hole of a rudder blade of a ship, and then the steel wire rope is pulled by an external force to perform a rudder swinging test.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. The utility model provides a boats and ships rudder blade, its characterized in that, includes rudder blade main part and trompil board (1), the rudder blade main part includes both sides curb plate (2), roof (3) and bottom plate (5), roof (3) set up in both sides curb plate (2) top, bottom plate (5) set up in both sides curb plate (2) bottom, hollow structure is constituteed in both sides curb plate (2), roof (3) and bottom plate (5), trompil board (1) set up in both sides curb plate (2) afterbody, and with bottom plate (5) are connected, trompil board (1) for both sides curb plate (2) outwards outstanding setting, be provided with the working hole that runs through it on trompil board (1).

2. Rudder blade for ships according to claim 1, characterised in that the apertured plate (1) is provided with a first working hole (13) and a second working hole (14) corresponding to each other.

3. Rudder blade for ships according to claim 2, characterised in that the side plates (2) are provided with a tail reinforcing structure (4) at the tail, and the first working hole (13) and the second working hole (14) are provided at both sides of the tail reinforcing structure (4), respectively.

4. Rudder blade for ships according to claim 2, characterised in that the aperture plate (1) comprises a first part (11) and a second part (12), that the first part (11) protrudes outwards with a first protruding arc edge (111), that the second part (12) protrudes outwards with a second protruding arc edge (121), that the first working hole (13) is provided in the first part (11), and that the ratio of the radius of the first working hole (13) to the radius of the first protruding arc edge (111) is 1: (1-5); the second working hole (14) is arranged on the second part (12), and the ratio of the radius of the second working hole (14) to the radius of the second protruding arc edge (121) is 1: (1-5).

5. Rudder blade for ships according to claim 4, characterised in that the aperture plate (1) further comprises a connecting edge (15), a first inner arc edge (112) and a second inner arc edge (122), both the first inner arc edge (112) and the second inner arc edge (122) are bent inwards, and the first inner arc edge (112), the first protruding arc edge (111), the connecting edge (15), the second protruding arc edge (121) and the second inner arc edge (122) are connected in sequence.

6. Rudder blade for ships according to claim 1, characterised in that the apertured plate (1) is formed in one piece with the bottom plate (5).

7. Rudder blade for ships according to claim 1, characterised in that the side plates (2) on both sides are provided with a rope threading hole.

8. Rudder blade for ships according to claim 1, characterised in that a number of hangers are arranged on the side plates (2).

9. Rudder blade for ships according to claim 1, characterised in that the side plates (2) are also provided with a transverse reinforcement and a vertical reinforcement.

10. A ship rudder blade swing test method is characterized in that a steel wire rope is firstly used for penetrating through a working hole of a ship rudder blade according to any one of claims 1 to 9, and then the steel wire rope is pulled by external force to carry out a rudder swing test.