CN107524813B - Novel dish-shaped edge oil seal device - Google Patents
Novel dish-shaped edge oil seal device Download PDFInfo
- Publication number
- CN107524813B CN107524813B CN201710944036.9A CN201710944036A CN107524813B CN 107524813 B CN107524813 B CN 107524813B CN 201710944036 A CN201710944036 A CN 201710944036A CN 107524813 B CN107524813 B CN 107524813B
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- CN
- China
- Prior art keywords
- oil seal
- stern shaft
- oil
- shaped
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 30
- 239000010949 copper Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 210000004907 gland Anatomy 0.000 claims abstract description 25
- 229910052742 iron Inorganic materials 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000005299 abrasion Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention provides a novel dish-shaped bordering oil seal device, which comprises an adjusting locking bolt and a marine stern shaft, wherein a stern shaft iron sleeve is sleeved outside a marine stern shaft body, stern shaft flange copper sleeves are arranged in inner cavities at two ends of the stern shaft iron sleeve, an oil chamber is formed between the two stern shaft flange copper sleeves, the stern shaft flange copper sleeves are sleeved on the marine stern shaft, an oil chamber is reserved between the inner cavity wall of the stern shaft flange copper sleeve and the marine stern shaft body, the inner end of the oil chamber is connected with the oil chamber, the outer end of the oil chamber is sealed through an oil seal box O-shaped sealing ring, an oil passing channel is reserved between the outer side wall of the stern shaft flange copper sleeve and the stern shaft iron sleeve, the outer end of the oil passing channel is sealed through a corresponding copper sleeve O-shaped sealing ring, an oil seal box is sleeved on the shaft bodies at two ends of the marine stern shaft, an O-shaped groove is arranged on the inner cavity wall of the oil seal box, and an oil seal adjusting gland is sleeved at the outer end of the oil seal box. After the scheme is adopted, the disassembly and assembly efficiency is improved, and the sealing effect is better.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a novel dish-shaped edge oil seal device.
Background
The oil-water seal of the stern shaft of the ship is one of important devices necessary for sailing the ship, and the sealing effect and the service time of the oil seal are key indexes, so that the oil seal device is required to have good performance. The existing oil seal is commonly used for labyrinth sealing of U-shaped, plastic bowl and rubber bowl. These oil and water seals are typically rotated on a shaft or wear sleeve and the wear sleeve wears out over a longer period of time, requiring replacement with a new seal. The expected purpose of sealing is difficult to achieve after the new oil seal is replaced, oil leakage is easy to occur, and the influence of river pollution on environmental protection is caused. Therefore, how to improve the sealing performance efficiency, the wear resistance and the service life of the stern shaft of the ship has been a very important issue for the ship industry.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel dish-shaped bordered oil seal device with high disassembly and assembly efficiency and good sealing effect.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the novel dish-shaped bordering oil seal device comprises an adjusting locking bolt, an oil seal adjusting gland, an adjusting gasket, an oil seal box O-shaped sealing ring, a dish-shaped bordering oil seal, a dish-shaped oil seal one-way gasket, a stern shaft iron sleeve, an oil pipe inlet and outlet joint, a stern shaft flange copper sleeve, an oil seal oil-water two-way gasket, a marine stern shaft and a copper sleeve O-shaped sealing ring, wherein the outside of a marine stern shaft body is sleeved with the stern shaft iron sleeve, the inner cavities of two stern shaft flange copper sleeves are provided with the stern shaft flange copper sleeves, an oil chamber is reserved between the inner cavity wall of the stern shaft flange copper sleeve and the marine stern shaft body, the inner end of the oil chamber is connected with the oil chamber, the outer end of the oil chamber is sealed by the oil seal box O-shaped sealing ring, an oil passing channel is reserved between the outer side wall of the stern shaft flange copper sleeve and the stern shaft iron sleeve, the inner end of the oil passing channel is connected with an oil chamber, the outer end of the oil passing channel is sealed by a corresponding copper sleeve O-shaped sealing ring, an oil seal box is sleeved on the shaft body at two ends of the marine stern shaft, one end of the sleeved oil seal box is abutted against the stern shaft iron sleeve, an O-shaped groove is arranged on the inner cavity wall of the oil seal box, a dish-shaped bordering oil seal and an oil seal oil-water bidirectional gasket are arranged in the O-shaped groove, a dish-shaped oil seal unidirectional gasket is arranged between the dish-shaped bordering oil seal and the oil seal oil-water bidirectional gasket, an oil seal adjusting gland is sleeved on the marine stern shaft at the outer end of the oil seal box, the oil seal adjusting gland is in a ladder shape, the inner end of a smaller ladder face is abutted against the outer end of the dish-shaped bordering oil seal, an adjusting gasket is arranged at the inner end of a larger ladder face, an adjusting locking bolt is arranged at the outer end of the larger ladder face, and penetrates through the oil seal adjusting gland and the adjusting gasket, the oil seal box is connected and locked with the stern shaft iron sleeve; the stern shaft iron sleeve is provided with an oil pipe inlet and outlet joint which is connected with the oil passing channel.
The dish-shaped bordering oil seal comprises a main body, wherein a central hole is formed in the center of the main body and sleeved on a marine stern shaft through the central hole, a V-shaped extrusion groove is formed in the inner wall of the central hole, a concave trapezoid groove is formed in one side of the main body, a convex trapezoid surface is formed in the other side of the main body, and one larger end of the trapezoid groove is located on the outer side.
The one-way gasket body of dish-shaped oil seal is annular, the diameter of the central hole is larger than that of the marine stern shaft, an extrusion ring is formed on the annular surface of one side of the one-way gasket of dish-shaped oil seal in a protruding mode, and the extrusion ring is located on one side of the dish-shaped bordered oil seal.
The invention has the beneficial effects that: the oil seal and the gasket in the oil seal box control the abrasion degree through the oil seal adjusting gland, the adjusting locking bolt and the adjusting gasket, the assembled dish-shaped edge-adding oil seal generates abrasion in the mechanical operation of the shafting or the abrasion-resistant sleeve to generate a groove or oil leakage phenomenon, the adjusting locking bolts on two opposite sides of the oil seal adjusting gland are loosened to remove a plurality of adjusting gaskets, the gasket and the adjusting locking bolt which should be left are tightly adjusted, the other two opposite sides of the adjusting locking bolt are loosened to remove a plurality of adjusting gaskets, all the assembling bolts are tightly adjusted, the dish-shaped edge-adding oil seal generates dish-shaped rigid deformation under the adjusting control actions of the oil seal gaskets and the oil seal adjusting gland with different shapes, the dish-shaped oil seal is contacted to generate effective seal towards the abrasion position deviation of the shafting or the abrasion-resistant sleeve, the dish-shaped edge-adding oil seal can enable the dish-shaped oil seal to be adjusted for a plurality of times to achieve the sealing effect, the oil seal box and the stern shaft flange copper sleeve are sealed by adopting an O-shaped ring, the original flat gasket seal is changed, the assembling efficiency is improved, and the sealing effect is better.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the extrusion tank.
FIG. 3 is a schematic diagram of a disk-shaped oil seal one-way gasket.
Detailed Description
The invention is further described below with reference to all drawings, in which preferred embodiments of the invention are: referring to fig. 1 to 3, the novel disc-shaped bordering oil seal device in this embodiment comprises an adjusting locking bolt 1, an oil seal adjusting gland 2, an adjusting gasket 3, an oil seal box 4, an oil seal box O-shaped sealing ring 5, a disc-shaped bordering oil seal 6, a disc-shaped oil seal one-way gasket 7, a stern shaft iron sleeve 8, an oil pipe inlet and outlet joint 9, a stern shaft flange copper sleeve 10, an oil seal oil-water two-way gasket 11, a marine stern shaft 12 and a copper sleeve O-shaped sealing ring 13, wherein the stern shaft iron sleeve 8 is sleeved outside a shaft body of the marine stern shaft 12, the two end cavities of the stern shaft iron sleeve 8 are provided with stern shaft flange copper sleeves 10, an oil chamber is formed between the two stern shaft flange copper sleeves 10, the stern shaft flange copper sleeve 10 is sleeved on the marine stern shaft 12, an oil chamber is reserved between the inner cavity wall of the stern shaft flange copper sleeve 10 and the shaft body of the marine stern shaft 12, the inner end is connected with the oil chamber, the outer end of the oil cavity is sealed by an O-shaped sealing ring 5 of the oil seal box, an oil passing channel is reserved between the outer side wall of a copper sleeve 10 of the stern shaft flange and an iron sleeve 8 of the stern shaft, the inner end of the oil passing channel is connected with the oil cavity, the outer end of the oil passing channel is sealed by an O-shaped sealing ring 13 of the corresponding copper sleeve, an oil seal box 4 is sleeved on the shaft body at two ends of the stern shaft 12 of the ship, one end of the sleeved oil seal box 4 is in contact with the iron sleeve 8 of the stern shaft, an O-shaped groove is arranged on the inner cavity wall of the oil seal box 4, a dish-shaped bordering oil seal 6 and an oil-seal oil-water bidirectional gasket 11 are arranged in the O-shaped groove, a dish-shaped oil seal unidirectional gasket 7 is arranged between the dish-shaped bordering oil seal 6 and the oil-seal oil-water bidirectional gasket 11, the main body of the dish-shaped oil seal unidirectional gasket 7 is annular, the diameter of a central hole is larger than the diameter of the ship stern shaft 12, an extruding ring is formed on the annular surface at one side of the dish-shaped oil seal unidirectional gasket 7 in a convex way, the extrusion ring is positioned at one side of the disc-shaped bordered oil seal 6; the dish-shaped bordering oil seal 6 comprises a main body, a central hole is arranged at the center of the main body and sleeved on the marine stern shaft 12 through the central hole, a V-shaped extrusion groove 14 is arranged on the inner wall of the central hole, a concave trapezoid groove is arranged on one side of the main body, a convex trapezoid surface is arranged on the other side of the main body, and one larger end of the trapezoid groove is positioned on the outer side; the marine stern shaft 12 at the outer end of the oil seal box 4 is sleeved with an oil seal adjusting gland 2, the oil seal adjusting gland 2 is in a ladder shape, the inner end of a smaller ladder surface of the oil seal adjusting gland 2 is propped against the outer end of the dish-shaped edge-added oil seal 6, the inner end of a larger ladder surface of the oil seal box is provided with an adjusting gasket 3, the outer end of the larger ladder surface is provided with an adjusting locking bolt 1, and the adjusting locking bolt 1 passes through the oil seal adjusting gland 2, the adjusting gasket 3 and the oil seal box 4 and then is connected and locked with the stern shaft iron sleeve 8; the stern shaft iron sleeve 8 is provided with an oil pipe inlet and outlet joint 9, and the oil pipe inlet and outlet joint 9 is connected with an oil passing channel. The beneficial effects of this embodiment lie in: the oil seal and the gasket in the oil seal box control the abrasion degree through the oil seal adjusting gland, the adjusting locking bolt and the adjusting gasket, the assembled dish-shaped edge-adding oil seal generates abrasion in the mechanical operation of the shafting or the abrasion-resistant sleeve to generate a groove or oil leakage phenomenon, the adjusting locking bolts on two opposite sides of the oil seal adjusting gland are loosened to remove a plurality of adjusting gaskets, the gasket and the adjusting locking bolt which should be left are tightly adjusted, the other two opposite sides of the adjusting locking bolt are loosened to remove a plurality of adjusting gaskets, all the assembling bolts are tightly adjusted, the dish-shaped edge-adding oil seal generates dish-shaped rigid deformation under the adjusting control actions of the oil seal gaskets and the oil seal adjusting gland with different shapes, the dish-shaped oil seal is contacted to generate effective seal towards the abrasion position deviation of the shafting or the abrasion-resistant sleeve, the dish-shaped edge-adding oil seal can enable the dish-shaped oil seal to be adjusted for a plurality of times to achieve the sealing effect, the oil seal box and the stern shaft flange copper sleeve are sealed by adopting an O-shaped ring, the original flat gasket seal is changed, the assembling efficiency is improved, and the sealing effect is better.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that all changes made in the shape and principles of the present invention are covered by the scope of the present invention.
Claims (1)
1. Novel dish adds limit oil blanket device, its characterized in that: the marine stern shaft oil seal comprises an adjusting locking bolt (1), an oil seal adjusting gland (2), an adjusting gasket (3), an oil seal box (4), an oil seal box O-shaped sealing ring (5), a dish-shaped edge-adding oil seal (6), a dish-shaped oil seal one-way gasket (7), a stern shaft iron sleeve (8), an oil pipe inlet and outlet joint (9), a stern shaft flange copper sleeve (10), an oil seal oil-water two-way gasket (11), a marine stern shaft (12) and a copper sleeve O-shaped sealing ring (13), wherein the stern shaft iron sleeve (8) is sleeved outside a shaft body of the marine stern shaft (12), stern shaft flange copper sleeves (10) are arranged in cavities at two ends of the stern shaft iron sleeve (8), an oil chamber is formed between the two stern shaft flange copper sleeves (10), the stern shaft flange copper sleeves (10) are sleeved on the marine stern shaft (12), the stern shaft flange copper sleeve (8) is sleeved outside the stern shaft flange sleeve (10), an oil chamber is reserved between the inner cavity wall of the stern shaft flange sleeve (10) and the shaft body of the marine stern shaft, the inner end of the stern shaft flange sleeve is connected with the oil chamber through the oil seal box O-shaped sealing ring (12), the outer end of the stern shaft sleeve is connected with the corresponding oil chamber O-shaped sealing ring (12) through the oil seal box O-shaped sealing ring (4) at two ends of the shaft sleeve (12), one end of the sleeved oil seal box (4) is abutted against the stern shaft iron sleeve (8), an O-shaped groove is formed in the inner cavity wall of the oil seal box (4), a disc-shaped edge-adding oil seal (6) and an oil seal oil-water bidirectional gasket (11) are arranged in the O-shaped groove, the disc-shaped edge-adding oil seal (6) comprises a main body, a central hole is formed in the center of the main body and is sleeved on the marine stern shaft (12) through the central hole, a V-shaped extrusion groove (14) is formed in the inner cavity wall of the central hole, a concave trapezoid groove is formed in one side of the main body, a convex trapezoid surface is formed in the other side of the main body, and one larger end of the trapezoid groove is located on the outer side; a disc-shaped oil seal unidirectional gasket (7) is arranged between the disc-shaped bordering oil seal (6) and the oil seal oil-water bidirectional gasket (11), the main body of the disc-shaped oil seal unidirectional gasket (7) is annular, the diameter of a central hole of the disc-shaped oil seal unidirectional gasket is larger than that of a marine stern shaft (12), an extruding ring is formed on the annular surface of one side of the disc-shaped oil seal unidirectional gasket (7) in a protruding mode, and the extruding ring is located on one side of the disc-shaped bordering oil seal (6); the marine stern shaft (12) at the outer end of the oil seal box (4) is sleeved with an oil seal adjusting gland (2), the oil seal adjusting gland (2) is in a ladder shape, the inner end of a smaller ladder surface of the oil seal adjusting gland is propped against the outer end of the dish-shaped bordering oil seal (6), the inner end of a larger ladder surface of the oil seal adjusting gland is provided with an adjusting gasket (3), the outer end of the larger ladder surface is provided with an adjusting locking bolt (1), and the adjusting locking bolt (1) passes through the oil seal adjusting gland (2), the adjusting gasket (3) and the oil seal box (4) and then is connected and locked with the stern shaft iron sleeve (8); an oil pipe inlet and outlet joint (9) is arranged on the stern shaft iron sleeve (8), and the oil pipe inlet and outlet joint (9) is connected with an oil passing channel;
the oil seal and the gaskets in the oil seal box of the oil seal device control the abrasion degree through the oil seal adjusting gland, the adjusting locking bolt and the adjusting gasket, the assembled disc-shaped edge-adding oil seal generates abrasion in the mechanical operation of a shafting or a wear-resistant sleeve to generate a groove or oil leakage phenomenon, firstly, the adjusting locking bolts on two opposite sides of the oil seal adjusting gland are loosened to remove a plurality of adjusting gaskets, the gaskets and the adjusting locking bolts which should be left are tightly adjusted, then the other two opposite sides of the adjusting locking bolts are loosened to remove a plurality of adjusting gaskets, and all the assembling bolts are tightly adjusted, so that the disc-shaped edge-adding oil seal generates disc-shaped rigid deformation under the adjusting control actions of the oil seal gaskets and the oil seal adjusting gland in different shapes, and the disc-shaped edge-adding oil seal can enable the disc-shaped oil seal to perform multiple adjustment to achieve a sealing effect, the oil seal box and the copper sleeve of a stern shaft flange are sealed by adopting an O-shaped ring, the original flat gasket sealing is changed, and the disassembling and assembling efficiency is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944036.9A CN107524813B (en) | 2017-10-12 | 2017-10-12 | Novel dish-shaped edge oil seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944036.9A CN107524813B (en) | 2017-10-12 | 2017-10-12 | Novel dish-shaped edge oil seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107524813A CN107524813A (en) | 2017-12-29 |
| CN107524813B true CN107524813B (en) | 2023-08-25 |
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ID=60685011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944036.9A Active CN107524813B (en) | 2017-10-12 | 2017-10-12 | Novel dish-shaped edge oil seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107524813B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825642B (en) * | 2018-08-02 | 2024-08-16 | 湖南大洋机械制造有限公司 | Marine stern shaft system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740058A (en) * | 1971-07-26 | 1973-06-19 | Waukesha Bearings Corp | Forward sealing assembly for stern tubes |
| CN101280850A (en) * | 2008-05-16 | 2008-10-08 | 李雄 | Rolling bearing end-face seal ring |
| CN102748474A (en) * | 2012-07-19 | 2012-10-24 | 上海德宝密封件有限公司 | Integrated sealing device applicable to stern shaft |
| CN203309112U (en) * | 2013-04-15 | 2013-11-27 | 涡阳县信隆船舶附件有限公司 | Tail shaft sealing assembly |
| CN105465365A (en) * | 2015-12-31 | 2016-04-06 | 沅江市大阳机械制造有限公司 | Adjustable tail shaft sealing device for ship |
| CN207229758U (en) * | 2017-10-12 | 2018-04-13 | 湖南三环船舶工程有限公司 | New dish edged oil-sealing arrangement |
-
2017
- 2017-10-12 CN CN201710944036.9A patent/CN107524813B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740058A (en) * | 1971-07-26 | 1973-06-19 | Waukesha Bearings Corp | Forward sealing assembly for stern tubes |
| CN101280850A (en) * | 2008-05-16 | 2008-10-08 | 李雄 | Rolling bearing end-face seal ring |
| CN102748474A (en) * | 2012-07-19 | 2012-10-24 | 上海德宝密封件有限公司 | Integrated sealing device applicable to stern shaft |
| CN203309112U (en) * | 2013-04-15 | 2013-11-27 | 涡阳县信隆船舶附件有限公司 | Tail shaft sealing assembly |
| CN105465365A (en) * | 2015-12-31 | 2016-04-06 | 沅江市大阳机械制造有限公司 | Adjustable tail shaft sealing device for ship |
| CN207229758U (en) * | 2017-10-12 | 2018-04-13 | 湖南三环船舶工程有限公司 | New dish edged oil-sealing arrangement |
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| Publication number | Publication date |
|---|---|
| CN107524813A (en) | 2017-12-29 |
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