CN212354374U

CN212354374U - Rudder blade and connecting structure thereof

Info

Publication number: CN212354374U
Application number: CN202020884579.3U
Authority: CN
Inventors: 王黎明
Original assignee: Huarui Logistics Co ltd
Current assignee: Huarui Logistics Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2021-01-15
Anticipated expiration: 2030-05-23

Abstract

The utility model relates to a rudder piece and connection structure thereof, including the rudder piece body, the rudder piece body is including the left rudder body and the right rudder body that the welding links to each other, along the fixed connecting rod that wears to be equipped with of vertical direction between the left side rudder body and the right rudder body, the lower extreme all fixes and is equipped with first ring flange on the connecting rod, the fixed two actuating levers that are equipped with of hull afterbody, two the actuating lever tip is all fixed and is equipped with the second ring flange, two the second ring flange is relative with two first ring flanges respectively, wear to be equipped with fixing bolt along its thickness direction on the second ring flange, fixing bolt passes first ring flange and tip threaded connection simultaneously has fixation nut, fixing bolt and fixation nut are equipped with a plurality ofly along second ring flange circumference equidistance. The utility model discloses the effect that joint strength is high has.

Description

Rudder blade and connecting structure thereof

Technical Field

The utility model belongs to the technical field of the technique of marine equipment and specifically relates to a rudder piece and connection structure thereof is related to.

Background

The rudder is a device attached to the outside of a ship body and used for controlling the course of the ship by utilizing hydrodynamic force acting on rudder blades when the ship is sailing.

Specifically, referring to fig. 4, the conventional connection structure between the rudder blade and the hull generally includes a rudder blade body 10, flanges welded to the upper and lower ends of the rudder blade body 10, and a driving rod 13 connecting the flanges and the hull. The rudder sheet body 10 has a head end and a tail end formed at both sides thereof, which are tapered from the head end to the tail end, and a flange plate fixed to the head end. Two driving rods 13 are arranged, the end parts of the two driving rods are also fixedly provided with flanges, and the flanges connected with the driving rods 13 are aligned with the flanges connected with the rudder pieces and then are fixed by screwing with bolts.

The above technique has the following disadvantages: the welded part of the flange and the rudder sheet body 10 is completely exposed outside, and the flange and the rudder sheet body 10 are easily rusted after being soaked in water for a long time in the using process, so that the connecting part between the flange and the rudder sheet body 10 is broken.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rudder piece and connection structure that rudder piece connects comparatively firmly to prior art exists.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a rudder piece and connection structure thereof, includes the rudder piece body, the rudder piece body includes left rudder body and the right rudder body that the welding links to each other, along the fixed connecting rod of wearing to be equipped with of vertical direction between left side rudder body and the right rudder body, the lower extreme all fixes and is equipped with first ring flange on the connecting rod, the fixed two actuating levers that are equipped with of hull afterbody, two the actuating lever tip is all fixed and is equipped with the second ring flange, two the second ring flange is relative with two first ring flanges respectively, wear to be equipped with fixing bolt along its thickness direction on the second ring flange, fixing bolt passes first ring flange and tip threaded connection simultaneously has fixation nut, fixing bolt and fixation nut are equipped with a plurality ofly along second ring flange circumference equidistance.

Through above-mentioned technical scheme, the connecting rod passes between the left rudder body and the right rudder body completely, then with first ring flange lug connection, connecting rod and rudder piece body fixed connection. The fixed area between connecting rod and the rudder body is great, is difficult to be corroded to the fracture in the short time, can reach comparatively firm connection effect.

The present invention may be further configured in a preferred embodiment as: install the shaft coupling body between first ring flange and the second ring flange, the shaft coupling body includes that the fixed upper shaft coupling of establishing at the second ring flange lower extreme of inlaying and the fixed lower shaft coupling of establishing at first ring flange upper end of inlaying, and when upper shaft coupling and lower shaft coupling looks gomphosis, first ring flange and second ring flange terminal surface laminate completely.

Through above-mentioned technical scheme, during the adjustment direction, the actuating lever drives the rudder piece and rotates certain angle, rotates the in-process, and the second ring flange rotates and drives first ring flange and rotate, is connected through fixing bolt between first ring flange and the second ring flange, receives when torsion is great, and the bolt can warp the bending, influences its joint strength. After the coupler body is installed, the coupler can bear larger torsion, the effect of elastic buffering is achieved, and the connection strength is improved.

The present invention may be further configured in a preferred embodiment as: the lower end of the upper coupler protrudes out of the end face of the second flange plate, the upper end of the lower coupler is lower than the end face of the first flange plate, and the lower end of the upper coupler is embedded in the first flange plate and is connected to the first flange plate in a sliding mode in the vertical direction.

Through the technical scheme, when the first flange plate and the second flange plate are connected, the first flange plate and the second flange plate need to be aligned and then fixed. After the lower end of the upper coupler protrudes out of the end face of the second flange plate, the lower end of the upper coupler is embedded into the end face of the first flange plate, the positioning effect is achieved, and the mounting speed is improved.

The present invention may be further configured in a preferred embodiment; the end face parts of the two first flange plates tightly abut against the upper end and the lower end of the rudder sheet body.

Through above-mentioned technical scheme, the ring flange supports tightly behind the rudder piece upper and lower extreme, and the connecting rod is hidden at the rudder piece originally internally, can not contact water, is equally difficult for also getting rusty, has improved the fastness of installation.

The present invention may be further configured in a preferred embodiment as: the side walls of the first flange plate and the second flange plate are provided with inclination angles, so that an annular guide inclined plane which is convenient for guiding water to the upper end of the second flange plate is formed.

Through above-mentioned technical scheme, rivers are beaten when first ring flange and second ring flange lateral wall, by the upper and lower end uniform shunting. When the water flow between the first flange plate and the rudder sheet body is large, the pressure on the first flange plate and the rudder sheet body is relatively increased. After the guide inclined plane is arranged, water flow is guided to the first flange plate and the second flange plate, and the flow velocity of the water flow between the first flange plate and the rudder sheet body is normal and does not affect the rudder sheet body.

The present invention may be further configured in a preferred embodiment as: and reinforcing ribs are arranged between the connecting rod and the left rudder body and between the connecting rod and the right rudder body, and a plurality of reinforcing ribs are arranged along the circumferential direction of the reinforcing ribs.

Through above-mentioned technical scheme, set up the strengthening rib between connecting rod and the left rudder body, the right rudder body, increase its joint strength, reduce the probability of fracture between connecting rod and the left rudder body, the right rudder body.

The present invention may be further configured in a preferred embodiment as: the strengthening rib includes first board and the second board that distributes and the lateral wall links to each other along connecting rod circumference, form the contained angle between first board and the second board.

Through above-mentioned technical scheme, strengthening rib itself has the effect that improves joint strength, and the contained angle is connected between first board and the second board, if the strengthening rib is vertical board, and the supporting effect is best during the horizontal direction that it received or the power of vertical direction. The first plate and the second plate with included angles are arranged to form a triangular reinforcing structure, and when the triangular reinforcing structure is subjected to forces in all directions, the supporting effect is excellent.

The present invention may be further configured in a preferred embodiment as: and an anti-rust layer is sprayed on the outer wall of the rudder sheet body.

Through above-mentioned technical scheme, rudder piece body is bulky, is formed by the welding of a plurality of metal sheets, soaks in the bottom for a long time, very easily rusts. And an anti-rust layer is sprayed on the surface of the coating to form a protective film, so that a better anti-rust effect is achieved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the connecting rod passes between the left rudder body and the right rudder body completely, and the fixed area between the connecting rod and the rudder body is large, so that a firm connecting effect can be achieved.

2. The connecting rod is hidden in the rudder sheet body, does not contact water, is not easy to rust, and improves the installation firmness.

3. The reinforcing ribs are arranged, so that the connection strength of the reinforcing ribs is increased, and the probability of fracture between the connecting rods and the left rudder body and between the connecting rods and the right rudder body is reduced.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a vertical sectional view of the present embodiment;

FIG. 3 is a schematic view of the present embodiment for showing the structure of the reinforcing rib;

fig. 4 is a schematic structural diagram of the background art.

In the figure, 10, a rudder blade body; 11. a left rudder body; 12. a right rudder body; 13. a drive rod; 14. a connecting rod; 20. a first flange plate; 21. a second flange plate; 22. fixing the bolt; 23. fixing a nut; 24. a guide slope; 30. a coupling body; 301. an upper coupling; 302. a lower coupling; 31. caulking grooves; 32. a rust-proof layer; 33. reinforcing ribs; 331. a first plate; 332. a second plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a rudder blade and connection structure thereof, including rudder blade body 10, the left rudder body 11 and the right rudder body 12 that rudder blade body 10 includes, the edge welding of the left rudder body 11 and the right rudder body 12 is in the same place. The tail of the ship body is fixedly provided with two driving rods 13, and one ends of the driving rods 13, far away from the ship body, extend to the upper end and the lower end of the rudder piece body 10 respectively. A connecting rod 14 penetrates through the rudder sheet body 10, the connecting rod 14 penetrates through the head end of the rudder sheet body 10 in the vertical direction, and the connecting rod 14 is connected with the two driving rods 13 through a flange plate group respectively.

Specifically, referring to fig. 2, the flange plate group includes two first flange plates 20 and two second flange plates 21, the two first flange plates 20 are respectively and fixedly connected to the upper and lower ends of the connecting rod 14, the connecting rod 14 is coaxial with the first flange plates 20, and the two are welded together. The first flange 20 located on the upper surface abuts against the upper end surface of the rudder blade body 10, and the first flange 20 located on the lower surface abuts against the lower end surface of the rudder blade body 10. The second flange 21 is connected to the drive rod 13 coaxially with the connecting rod 14 by welding.

Fixing bolts 22 penetrate through the second flange plate 21 along the thickness direction of the second flange plate, the fixing bolts 22 penetrate through the first flange plate 20 simultaneously, the lower end of the first flange plate is connected with fixing nuts 23 in a threaded mode, and the fixing bolts 22 and the fixing nuts 23 are arranged on the second flange plate 21 in the circumferential direction at equal intervals. The side wall of the flange plate group is provided with an inclination angle which inclines from bottom to top to one side of the connecting rod 14 to form an annular guide inclined plane 24.

When the rudder sheet body 10 is used, when water flows on the side walls of the first flange plate 20 and the second flange plate 21 and passes through the guide inclined plane 24, the water flows are guided to the upper parts of the first flange plate 20 and the second flange plate 21, and the flow rate of the water flows between the first flange plate 20 and the rudder sheet body 10 is normal. The first flange 20 is tightly pressed against the rudder sheet body 10, and water is difficult to infiltrate between the first flange and the rudder sheet body to form rust.

Specifically, referring to fig. 2, a coupling body 30 is installed between the first flange 20 and the second flange 21, the coupling body 30 is an elastic coupling, and the coupling body 30 includes an upper coupling 301 and a lower coupling 302. The upper coupler 301 is coaxial with the second flange 21 and is fixedly embedded at the lower end of the second flange 21 by welding, and the lower end of the upper coupler 301 protrudes out of the lower end face of the second flange 21. The lower coupler 302 is coaxial with the first flange 20 and is fixedly embedded at the upper end of the first flange 20 by welding, and the upper end surface of the lower coupler 302 is lower than the upper end surface of the first flange 20 to form an embedding groove 31. The lower end of the upper coupling 301 is embedded in the caulking groove 31 and is connected to the caulking groove 31 in a sliding manner along the vertical direction.

Referring to fig. 3, the outer peripheral wall and the upper and lower end faces of the rudder sheet body 10 are provided with the anti-rust layer 32, the anti-rust layer 32 can be phytic acid ester as a main component, and a layer of compact monomolecular complex protective film is formed on the surface of the rudder sheet body 10, so that the corrosion of metal can be effectively inhibited. Reinforcing ribs 33 are arranged between the connecting rod 14 and the left rudder body 11 and between the connecting rod 14 and the right rudder body 12. The strengthening rib 33 includes first board 331 and second board 332, and first board 331 and second board 332 are located same horizontal plane, and the upper end is connected and is formed the contained angle between the two, and the lower extreme is connected between the adjacent strengthening rib 33, also forms the contained angle, and strengthening rib 33 is equipped with a plurality ofly along connecting rod 14 circumference equidistance, and is equipped with two sets ofly along connecting rod 14 axial interval.

In the rotation process of the rudder sheet body 10, the second flange 21 rotates to drive the upper coupling 301 to rotate, and then drives the lower coupling 302 and the first flange 20 to rotate, because the upper coupling 301 and the lower coupling 302 are in micro-elastic connection. After the coupler body 30 is installed, large torsion can be borne, and the effect of elastic buffering is achieved.

When the flange plate group is connected, the lower end of the upper coupling 301 is directly embedded into the caulking groove 31, the upper end face of the first flange plate 20 is abutted against the lower end face of the second flange plate 21, and after the flange plate group is fixed through the fixing bolt 22 and the fixing nut 23, the connection is stable.

The implementation principle of the embodiment is as follows: when the rudder sheet body 10 is used, when water flows on the side walls of the first flange plate 20 and the second flange plate 21 and passes through the guide inclined plane 24, the water flows are guided to the upper parts of the first flange plate 20 and the second flange plate 21, and the flow speed of the water flows around the shaft of the first flange plate 20 is normal. The first flange plate 20 is not directly welded with the rudder sheet body 10, but is connected with the rudder sheet body 10 through the connecting rod 14, the connecting rod 14 penetrates through the rudder sheet body 10, the connecting strength between the connecting rod 14 and the rudder sheet body 10 is high, and the rudder sheet body is not easy to break and rust.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a rudder piece and connection structure thereof, includes rudder piece body (10), its characterized in that: the rudder sheet body (10) comprises a left rudder body (11) and a right rudder body (12) which are connected by welding, a connecting rod (14) is fixedly arranged between the left rudder body (11) and the right rudder body (12) in a penetrating way along the vertical direction, the upper end and the lower end of the connecting rod (14) are both fixedly provided with a first flange (20), the tail part of the ship body is fixedly provided with two driving rods (13), the end parts of the two driving rods (13) are both fixedly provided with a second flange (21), the two second flanges (21) are respectively opposite to the two first flanges (20), the second flange plate (21) is provided with a fixing bolt (22) along the thickness direction in a penetrating way, the fixing bolt (22) simultaneously penetrates through the first flange plate (20) and the end part of the fixing bolt is connected with a fixing nut (23) in a threaded way, the fixing bolts (22) and the fixing nuts (23) are arranged along the circumferential direction of the second flange plate (21) at equal intervals.

2. The rudder blade and its coupling structure according to claim 1, wherein: install shaft coupling body (30) between first ring flange (20) and second ring flange (21), shaft coupling body (30) establish last shaft coupling (301) and the fixed lower shaft coupling (302) of establishing in first ring flange (20) upper end including fixed the inlaying at second ring flange (21) lower extreme, when last shaft coupling (301) and lower shaft coupling (302) looks gomphosis, first ring flange (20) laminate completely with second ring flange (21) terminal surface.

3. The rudder blade and its coupling structure according to claim 2, wherein: go up shaft coupling (301) lower extreme salient second ring flange (21) terminal surface, lower shaft coupling (302) upper end is less than first ring flange (20) terminal surface, go up shaft coupling (301) lower extreme and inlay and establish in first ring flange (20), and along vertical direction sliding connection in first ring flange (20).

4. The rudder blade and its coupling structure according to claim 1, wherein: the end faces of the two first flange plates (20) are tightly abutted against the upper end and the lower end of the rudder sheet body (10).

5. The rudder blade and its coupling structure according to claim 1, wherein: the side walls of the first flange plate (20) and the second flange plate (21) are provided with inclination angles, so that an annular guide inclined plane (24) which is convenient for guiding water to the upper end of the second flange plate (21) is formed.

6. The rudder blade and its coupling structure according to claim 1, wherein: be equipped with strengthening rib (33) between connecting rod (14) and left rudder body (11), connecting rod (14) and right rudder body (12), strengthening rib (33) are equipped with a plurality ofly along its circumference.

7. The rudder blade and its connecting structure according to claim 6, wherein: the reinforcing rib (33) comprises a first plate (331) and a second plate (332) which are circumferentially distributed along the connecting rod (14) and are connected through side walls, and an included angle is formed between the first plate (331) and the second plate (332).

8. The rudder blade and its coupling structure according to claim 1, wherein: and an anti-rust layer (32) is sprayed on the outer wall of the rudder sheet body (10).