Stainless steel rudder cup supporting hemisphere mechanism

Abstract

The invention relates to the technical field of ship rudders, and discloses a stainless steel rudder cup supporting hemisphere mechanism which comprises a rudder cup body, a supporting hemisphere body is arranged at the bottom of an inner cavity of the rudder cup body, an inner wall sleeve is tightly attached to the outer wall of the rudder cup body, and a fixing hole is formed in the inner wall of the inner wall sleeve. Through the arrangement of the stainless steel rudder cup body and the stainless steel supporting hemisphere body, the rudder cup body and the rudder shaft cannot be abraded by seawater and sea sand, meanwhile, the problem of vibration of the rudder shaft is solved, the supporting hemisphere body can support the rudder shaft, the load of a rudder shaft bearing can be effectively reduced, and the service life of the rudder shaft is prolonged. The problems that an existing rudder cup is made of iron and is prone to being abraded after being used for a long time, and when the rudder cup is seriously abraded, abnormal sound and vibration can be generated on a rudder blade when the rudder cup is flapped by sea waves are solved, meanwhile, the existing rudder cup cannot support the rudder shaft, and the service life of the rudder cup is prolonged. And an oil seal and a bearing are easy to damage when the rudder shaft moves downwards due to the gravity of the rudder shaft.

Description

Technical Field

[0001] The invention relates to the technical field of ship rudders, in particular to a stainless steel rudder cup supporting a hemispherical mechanism. Background Art

[0002] A ship is a man-made means of transportation that mainly operates in geographical waters. A ship is a general term for various vessels that can float on water. A ship is composed of a hull, a ship power unit, ship outfitting and other equipment.

[0003] When a ship is traveling in the water, it needs to control its direction. The ship's steering is controlled by the rudder, which is the core component for controlling the ship's steering and is usually installed at the stern. When operating the steering wheel, the rudder shaft is controlled by a hydraulic or mechanical transmission device to change the direction of the rudder blade, thereby controlling the direction of the ship.

[0004] The existing rudder cup is made of iron, which is easy to wear after long-term use. When the rudder cup is severely worn, the rudder shaft will shake, and the waves hitting the rudder blade will cause the rudder shaft to make abnormal noises and vibrations. At the same time, the existing rudder cup cannot support the rudder shaft. The rudder shaft moves downward due to its own gravity, which will cause the oil seal and bearing to be easily damaged. Summary of the invention

[0005] The present invention provides a stainless steel rudder cup supporting hemispherical mechanism, which solves the problems raised by the above-mentioned background technology.

[0006] The present invention provides the following technical solution: a stainless steel rudder cup supporting hemispherical mechanism comprises a rudder cup body, a supporting hemispherical body is arranged at the bottom of the inner cavity of the rudder cup body, an inner wall sleeve is fitted on the outer wall of the rudder cup body, a fixing hole is opened on the inner wall of the inner wall sleeve, a hull tail bracket is fixedly assembled on the top of the inner wall sleeve, a rudder shaft is movably sleeved on the inner wall of the rudder cup body, the bottom of the rudder shaft is fitted with the supporting hemispherical body, a connecting sleeve is fixedly assembled on the bottom of the rudder cup body, a vertical groove is opened on the outer wall of the connecting sleeve, a fixing block is slidably connected to the inner wall of the vertical groove, a sealing cover is threadedly connected to the inner wall of the inner wall sleeve, and a connecting disk is fixedly assembled on the inner wall of the sealing cover.

[0007] As a preferred technical solution of the present invention: an inclined groove is provided on the top of the inner wall of the steering cup body, and the angle between the inclined groove and the steering shaft is 45°.

[0008] As a preferred technical solution of the present invention: a plurality of vertical grooves are provided, and the plurality of vertical grooves are evenly distributed on the connecting sleeve, and the number of the fixing blocks is the same as the number of the vertical grooves.

[0009] As a preferred technical solution of the present invention: guide grooves are provided on both sides of the fixing block, the inner wall of the guide groove is slidably connected with a cylinder, and the cylinder is fixedly assembled on the inner wall of the vertical groove.

[0010] As a preferred technical solution of the present invention: a limiting groove is provided on the inner wall of the guide groove, a limiting block is slidably connected to the inner wall of the limiting groove, and the limiting block is fixedly assembled on the cylinder.

[0011] As a preferred technical solution of the present invention: a hexagonal tube is fixedly mounted on the bottom of the connection disk, the bottom of the hexagonal tube and the bottom of the sealing cover are not on the same plane, and the top of the connection disk is in contact with the fixed block.

[0012] As a preferred technical solution of the present invention: a circular groove is provided at the bottom of the hull tail bracket, a sealing gasket is provided at the top of the sealing cover, and the sealing gasket fits the circular groove.

[0013] As a preferred technical solution of the present invention: the bottom of the sealing cover and the bottom of the stern bracket of the hull are on the same plane, and the shape of the circular groove is circular.

[0014] As a preferred technical solution of the present invention: the steering cup body, the supporting hemispherical body, the connecting sleeve, the fixing block, the sealing cover, the connecting plate and the hexagonal tube are all made of stainless steel.

[0015] As a preferred technical solution of the present invention: the supporting hemispherical body is cut from a stainless steel sphere, and the supporting hemispherical body is welded in the rudder cup body.

[0016] The present invention has the following beneficial effects:

[0017] 1. The stainless steel rudder cup supporting hemispherical mechanism, through the arrangement of the stainless steel rudder cup body and the stainless steel supporting hemispherical body, prevents the rudder cup body and the rudder shaft from being worn by sea water and sea sand, and also solves the problem of rudder shaft vibration. The supporting hemispherical body can support the rudder shaft, which can effectively reduce the load of the rudder shaft bearing, thereby solving the problem that the existing rudder cup material is made of iron and is easy to wear after long-term use. When the rudder cup is severely worn, the rudder blade will cause abnormal noise and vibration on the rudder shaft under the beating of waves. At the same time, the existing rudder cup cannot support the rudder shaft, and the rudder shaft will move downward due to its own gravity, which will cause the oil seal and the bearing to be easily damaged.

[0018] 2. The stainless steel steering cup supports a hemispherical mechanism. By screwing the sealing cover into the inner wall sleeve, the sealing cover can push the fixing block into the fixing hole to fix the connecting sleeve, so that the steering cup body and the connecting sleeve are fixed in the inner wall sleeve. At the same time, when the sealing cover is embedded in the circular groove, the gap between the circular groove and the sealing cover is sealed by the sealing gasket. The sealing gasket blocks the sea sand in the sea water, so that the sea sand cannot enter the inner wall sleeve, thereby reducing the wear between the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the rudder cup and the supporting hemisphere structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the installation position of the rudder cup of the present invention;

[0021] Figure 3 It is a schematic diagram of the position of the hexagonal tube of the present invention;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the fixing block and the connecting sleeve of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of the fixed block of the present invention;

[0025] Figure 7 It is a schematic diagram of the vertical slot structure of the present invention;

[0026] Figure 8 For the present invention Figure 7 A in the figure is an enlarged structural diagram.

[0027] In the figure: 1, steering cup body; 2, supporting hemispherical body; 3, inclined groove; 4, hull tail bracket; 41, circular groove; 5, inner wall sleeve; 51, fixing hole; 6, rudder shaft; 7, connecting sleeve; 8, vertical groove; 9, fixing block; 10, guide groove; 11, limit groove; 12, limit block; 13, cylinder; 14, sealing cover; 15, connecting plate; 16, hexagonal tube; 17, sealing gasket. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1 - Figure 8The stainless steel rudder cup supporting hemispherical mechanism comprises a rudder cup body 1, a supporting hemispherical body 2 is arranged at the bottom of the inner cavity of the rudder cup body 1, an inner wall sleeve 5 is fitted on the outer wall of the rudder cup body 1, a fixing hole 51 is opened on the inner wall of the inner wall sleeve 5, a hull tail bracket 4 is fixedly assembled on the top of the inner wall sleeve 5, a rudder shaft 6 is movably sleeved on the inner wall of the rudder cup body 1, the bottom of the rudder shaft 6 is fitted with the supporting hemispherical body 2, a connecting sleeve 7 is fixedly assembled on the bottom of the rudder cup body 1, a vertical groove 8 is opened on the outer wall of the connecting sleeve 7, a fixing block 9 is slidably connected to the inner wall of the vertical groove 8, a sealing cover 14 is threadedly connected to the inner wall of the inner wall sleeve 5, and a connecting plate 15 is fixedly assembled on the inner wall of the sealing cover 14.

[0030] In the above structure, the rudder shaft 6 is installed in the rudder cup body 1 through the arrangement of the rudder cup body 1 and the supporting hemispherical body 2, so that the bottom of the rudder shaft 6 fits with the supporting hemispherical body 2. Since the top of the supporting hemispherical body 2 is an arc surface, the rudder shaft 6 can fit and rotate on the supporting hemispherical body 2. The gravity of the rudder shaft 6 will always fit with the supporting hemispherical body 2, so that the rudder shaft 6 can be limited by the supporting hemispherical body 2. At the same time, the supporting hemispherical body 2 can support the rudder shaft 6, so that the rudder shaft 6 will not move downward, thereby improving the stability of the rudder shaft 6. By rotating clockwise The sealing cover 14 moves the sealing cover 14 toward the inner cavity of the connecting sleeve 7, and gradually the sealing cover 14 pushes the fixing block 9 upward to the left, so that the fixing block 9 gradually enters the fixing hole 51. At this time, the connecting sleeve 7 and the steering cup body 1 are fixed in the inner wall sleeve 5. At this time, the steering cup body 1 and the connecting sleeve 7 cannot be separated from the inner wall sleeve 5, and the steering cup body 1 and the connecting sleeve 7 cannot rotate in the inner wall sleeve 5, so that the steering cup body 1 and the inner wall sleeve 5 do not need to be tightly fitted and installed. The existing steering cup body 1 and the inner wall sleeve 5 are tightly fitted, which is very laborious to install.

[0031] In a preferred embodiment: an inclined groove 3 is provided on the top of the inner wall of the rudder cup body 1, and the angle between the inclined groove 3 and the rudder shaft 6 is 45°.

[0032] In the above structure, through the setting of the inclined groove 3, the diameter of the top of the rudder cup body 1 is larger than the diameter of the bottom of the rudder cup body 1, so that the rudder shaft 6 first enters the inclined groove 3, and then is positioned through the inclined groove 3, so that the rudder shaft 6 is gradually inserted into the inner cavity of the rudder cup body 1, so that the inclined groove 3 is convenient for the installation of the rudder shaft 6.

[0033] In a preferred embodiment, a plurality of vertical slots 8 are provided, and the plurality of vertical slots 8 are evenly distributed on the connecting sleeve 7 , and the number of the fixing blocks 9 is the same as the number of the vertical slots 8 .

[0034] In the above structure, by setting up several fixing blocks 9, these fixing blocks 9 can rise synchronously during use, so that the rudder cup body 1 can be evenly installed in the inner wall sleeve 5, so that the rudder cup body 1 can be kept in a vertical state by several fixing blocks 9, thereby improving the stability of the rudder cup body 1.

[0035] In a preferred embodiment, guide grooves 10 are provided on both sides of the fixing block 9 , and a cylinder 13 is slidably connected to the inner wall of the guide groove 10 , and the cylinder 13 is fixedly assembled on the inner wall of the vertical groove 8 .

[0036] In the above structure, the cylinder 13 can slide in the guide groove 10 through the cooperation between the cylinder 13 and the guide groove 10. Since the cylinder 13 is circular, the contact area between the outer wall of the cylinder 13 and the inner wall of the guide groove 10 is small, so that the fixed block 9 is easy to move on the cylinder 13. By utilizing the gravity of the fixed block 9 itself and the cooperation of the guide groove 10, when the connecting plate 15 is not in contact with the fixed block 9, the fixed block 9 can slide down by itself, so that the maintenance personnel can directly remove the steering cup body 1 from the inner wall sleeve 5.

[0037] In a preferred embodiment: a limiting groove 11 is provided on the inner wall of the guide groove 10 , and a limiting block 12 is slidably connected to the inner wall of the limiting groove 11 , and the limiting block 12 is fixedly assembled on the cylinder 13 .

[0038] In the above structure, through the setting of the limit groove 11 and the limit block 12, the limit block 12 can also slide in the cylinder 13. Since the cylinder 13 is circular, when the fixed block 9 slides down, the fixed block 9 does not contact the top of the vertical groove 8. At this time, the fixed block 9 will rotate. The rotation of the fixed block 9 can easily cause the connecting plate 15 to be unable to push the fixed block 9 upward. Therefore, the limit block 12 is embedded in the limit groove 11, so that the limit block 12 can only slide in the limit groove 11, and the limit block 12 cannot rotate in the limit groove 11. The setting of the limit groove 11 and the limit block 12 plays a role in limiting the fixed block 9, thereby improving the stability of the fixed block 9.

[0039] In a preferred embodiment, a hexagonal tube 16 is fixedly mounted on the bottom of the connection disk 15 , the bottom of the hexagonal tube 16 and the bottom of the sealing cover 14 are not on the same plane, and the top of the connection disk 15 is in contact with the fixing block 9 .

[0040] In the above structure, through the setting of the hexagonal tube 16, during installation and disassembly, the installation tool is placed on the hexagonal tube 16, and the hexagonal tube 16, the connecting plate 15 and the sealing cover 14 are removed from the inner wall sleeve 5 by rotating the tool, so that the hexagonal tube 16, the connecting plate 15 and the sealing cover 14 are easy to disassemble and install. The concave setting of the hexagonal tube 16 makes the hexagonal tube 16 not protrude from the bottom of the hull tail bracket 4, so that the hexagonal tube 16 is not easy to collide with hard objects, and the hexagonal tube 16 will not be deformed, so that the tool can be placed on the hexagonal tube 16 during maintenance, thereby improving the safety of the device.

[0041] In a preferred embodiment, a circular groove 41 is formed at the bottom of the hull tail bracket 4 , and a sealing gasket 17 is formed at the top of the sealing cover 14 , and the sealing gasket 17 fits the circular groove 41 .

[0042] In the above structure, the sealing gasket 17 is provided to seal the gap between the sealing cover 14 and the circular groove 41, so that the sealing gasket 17 can prevent sea sand in the sea from entering the connecting sleeve 7 through the gap between the sealing cover 14 and the circular groove 41. At the same time, the elastic force of the sealing gasket 17 is used to support the sealing cover 14, so that the external thread of the sealing cover 14 and the inner wall thread of the inner wall sleeve 5 are more closely engaged, making the sealing cover 14 not easy to loosen, and will not cause the sealing cover 14 to fall off under long-term use, thereby improving the stability of the device.

[0043] In a preferred embodiment, the bottom of the sealing cover 14 and the bottom of the stern support 4 of the hull are on the same plane, and the circular groove 41 is circular in shape.

[0044] In the above structure, by arranging the sealing cover 14 and the stern bracket 4 of the hull on the same plane, the bottom of the stern bracket 4 of the hull is made flatter, and the aesthetics of the ship is improved. When the sealing cover 14 and the stern bracket 4 of the hull are on the same plane, it means that the sealing cover 14 has been installed in place. When the sealing cover 14 and the stern bracket 4 of the hull are not on the same plane, it means that the sealing cover 14 is not installed in place. The sealing cover 14 and the stern bracket 4 of the hull are on the same plane, which is also the basis for checking whether the sealing cover 14 is installed in place.

[0045] In a preferred embodiment, the steering cup body 1, the supporting hemispherical body 2, the connecting sleeve 7, the fixing block 9, the sealing cover 14, the connecting plate 15 and the hexagonal tube 16 are all made of stainless steel.

[0046] In the above structure, the chromium content in stainless steel is relatively high, and chromium forms a dense chromium oxide protective film, which enables it to resist the corrosion of most oxidizing acids and alkalis. In a humid environment, stainless steel can effectively prevent rust. Stainless steel has high strength and good ductility. It can not only withstand certain mechanical stress, but also realize complex shape processing and forming through cold processing, which makes the service life of the rudder cup body 1 and the supporting hemisphere body 2 longer, and reduces the number of maintenance times of the rudder shaft 6.

[0047] In a preferred embodiment, the supporting hemispherical body 2 is cut from a stainless steel sphere, and the supporting hemispherical body 2 is welded in the steering cup body 1 .

[0048] In the above structure, stainless steel has good cold processing and hot processing properties, and complex shapes can be processed through cold rolling, cold bending, stamping, bending and other processes. Its welding performance is also very good, and it is suitable for various welding processes such as arc welding, TIG welding, MIG welding, etc. The welding quality is stable and reliable. The initial diameter of the supporting hemispherical body 2 is larger than the diameter of the rudder cup body 1. Through cutting processing, the rudder cup body 1 can be fit and embedded in the rudder shaft 6, which further improves the service life of the supporting hemispherical body 2.

[0049] Working principle: when in use, weld the supporting hemispherical body 2 to the rudder cup body 1, and then insert the rudder cup body 1 into the inner wall sleeve 5. At this time, the vertical groove 8 should correspond to the fixing hole 51, and then put the sealing gasket 17 on the sealing cover 14, and then screw the sealing cover 14 into the inner wall sleeve 5, gradually move the sealing cover 14, the connecting plate 15 and the hexagonal tube 16 upward, the connecting plate 15 contacts the fixing block 9, and push several fixing blocks 9 upward through the connecting plate 15. At this time, the fixing block 9 slides on the guide groove 10, and gradually the head of the fixing block 9 is inserted into the fixing hole 51 on the inner wall sleeve 5. When the sealing cover 14 cannot rotate, the fixing block 9 is fully inserted into the fixing hole 51. At this time, the bottom of the sealing cover 14 and the bottom of the stern bracket 4 of the hull are on the same plane, and the sealing gasket is used. 17 is used to seal the gap between the sealing cover 14 and the circular groove 41, and then the rudder shaft 6 is inserted into the rudder cup body 1, so that the bottom of the rudder shaft 6 fits with the supporting hemispherical body 2, and the rudder shaft 6 can be rotated in the rudder cup body 1, and the rudder shaft 6 is supported by the supporting hemispherical body 2, so that the supporting hemispherical body 2 can reduce the falling force of the rudder shaft 6. When the rudder cup body 1 and the supporting hemispherical body 2 need to be replaced, the sealing cover 14 is rotated counterclockwise, and the sealing cover 14, the connecting plate 15 and the hexagonal tube 16 are gradually detached from the inner wall sleeve 5. At this time, the fixing block 9 slides to the lower right to detach the fixing block 9 from the fixing hole 51. When the fixing block 9 cannot move, the maintenance personnel only need to knock the fixing block 9 with a tool, and then the rudder cup body 1 and the supporting hemispherical body 2 can be removed from the inner wall sleeve 5.

[0050] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel rudder cup supporting hemispherical mechanism, comprising a rudder cup body (1), characterized in that: A supporting hemispherical body (2) is provided at the bottom of the inner cavity of the steering cup body (1); an inner wall sleeve (5) is fitted on the outer wall of the steering cup body (1); a fixing hole (51) is provided on the inner wall of the inner wall sleeve (5); a hull tail bracket (4) is fixedly mounted on the top of the inner wall sleeve (5); a rudder shaft (6) is movably sleeved on the inner wall of the steering cup body (1); the bottom of the rudder shaft (6) is fitted with the supporting hemispherical body (2); a connecting sleeve (7) is fixedly mounted on the bottom of the steering cup body (1); a vertical groove (8) is provided on the outer wall of the connecting sleeve (7); a fixing block (9) is slidably connected to the inner wall of the vertical groove (8); a sealing cover (14) is threadedly connected to the inner wall of the inner wall sleeve (5); a connecting plate (15) is fixedly mounted on the inner wall of the sealing cover (14).

2. The stainless steel rudder cup supporting hemispherical mechanism according to claim 1, characterized in that: An inclined groove (3) is provided at the top of the inner wall of the steering cup body (1), and the angle between the inclined groove (3) and the steering shaft (6) is 45°.

3. The stainless steel rudder cup supporting hemispherical mechanism according to claim 1, characterized in that: A plurality of the vertical grooves (8) are provided, and the plurality of vertical grooves (8) are evenly distributed on the connecting sleeve (7), and the number of the fixing blocks (9) is the same as the number of the vertical grooves (8).

4. The stainless steel rudder cup supporting hemispherical mechanism according to claim 1, characterized in that: Guide grooves (10) are provided on both sides of the fixed block (9), and a cylinder (13) is slidably connected to the inner wall of the guide groove (10), and the cylinder (13) is fixedly assembled on the inner wall of the vertical groove (8).

5. The stainless steel rudder cup supporting hemispherical mechanism according to claim 4, characterized in that: The inner wall of the guide groove (10) is provided with a limiting groove (11), the inner wall of the limiting groove (11) is slidably connected to a limiting block (12), and the limiting block (12) is fixedly assembled on the cylinder (13).

6. The stainless steel rudder cup supporting hemispherical mechanism according to claim 1, characterized in that: The bottom of the connection plate (15) is fixedly equipped with a hexagonal tube (16), the bottom of the hexagonal tube (16) and the bottom of the sealing cover (14) are not on the same plane, and the top of the connection plate (15) is in contact with the fixed block (9).

7. The stainless steel rudder cup supporting hemispherical mechanism according to claim 1, characterized in that: A circular groove (41) is provided at the bottom of the hull tail bracket (4), and a sealing gasket (17) is provided at the top of the sealing cover (14), and the sealing gasket (17) is fitted with the circular groove (41).

8. The stainless steel rudder cup supporting hemispherical mechanism according to claim 7, characterized in that: The bottom of the sealing cover (14) and the bottom of the stern support (4) of the hull are on the same plane, and the circular groove (41) is circular in shape.

9. The stainless steel rudder cup supporting hemispherical mechanism according to claim 1, characterized in that: The steering cup body (1), the supporting hemispherical body (2), the connecting sleeve (7), the fixing block (9), the sealing cover (14), the connecting plate (15) and the hexagonal tube (16) are all made of stainless steel.

10. The stainless steel rudder cup supporting hemispherical mechanism according to claim 1, characterized in that: The supporting hemispherical body (2) is cut from a stainless steel sphere, and the supporting hemispherical body (2) is welded in the steering cup body (1).

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