CN112278221A - Electric propulsion archaize sightseeing boat shafting sealing system - Google Patents
Electric propulsion archaize sightseeing boat shafting sealing system Download PDFInfo
- Publication number
- CN112278221A CN112278221A CN202011290791.8A CN202011290791A CN112278221A CN 112278221 A CN112278221 A CN 112278221A CN 202011290791 A CN202011290791 A CN 202011290791A CN 112278221 A CN112278221 A CN 112278221A
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- Prior art keywords
- section
- bearing
- oil seal
- sleeved
- shaft
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- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 230000001050 lubricating effect Effects 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 210000004907 gland Anatomy 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 67
- 238000005461 lubrication Methods 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
-
- 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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H2023/327—Sealings specially adapted for propeller shafts or stern tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention provides a shafting sealing system of an electric propulsion antique sightseeing boat, which comprises a stern shaft, wherein the stern shaft is sequentially divided into a cap combining section, a belt wheel section, a sleeve pressing section, a lubricating section, a bearing section, an oil seal section, a propeller hub section and an end cover section from front to tail, a shaft sleeve is sleeved outside the lubricating section, one end of the shaft sleeve extends to the outside of the oil seal section, the other end of the shaft sleeve extends to the outside of the sleeve pressing section, a main lubricating chamber is reserved between the inner cavity wall of the installed shaft sleeve and the outer peripheral surface of the stern shaft, and an oil filling joint is arranged on the shaft sleeve of the main lubricating chamber. Rational in infrastructure, excellent in use effect after this scheme of adoption.
Description
Technical Field
The invention relates to the technical field of sightseeing boats, in particular to a shafting sealing system of an electric-pushing archaized sightseeing boat.
Background
The lubrication hole of the oiling taper sleeve in the traditional stern shaft tube component is horizontal, in order to enable lubricating oil to have enough space to come in and go out, the front bearing pressing sleeve is designed to be thin, otherwise, the front bearing pressing sleeve can cover the lubrication hole and cannot enter the oil, the front bearing pressing sleeve is required to be replaced after being used for about 30 days under the transmission pressure of a belt pulley, otherwise, the front bearing pressing sleeve is easy to burst, and therefore the whole stern shaft is broken.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a shafting sealing system of an electric propulsion archaized sightseeing boat, which has a reasonable structure and a good use effect.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: the utility model provides an electric propulsion archaize sightseeing boat shafting sealing system, it is including the stern axle, the stern axle is divided into in proper order by preceding to the tail and is combined the cap section, the band pulley section, press the cover section, lubrication section, the bearing section, the oil blanket section, the propeller hub section, the end cover section, wherein, lubrication section outside cover is equipped with the shaft sleeve pipe, one of them end of shaft sleeve pipe extends to the oil blanket section outside, the other end extends to and presses the cover section outside, reserve between the shaft sleeve pipe inner chamber wall after the installation and the stern axle peripheral face and have main smooth room, be equipped with the oiling joint on the shaft sleeve pipe of main smooth room, the preceding bearing of the stern axle of one of them end of shaft sleeve pipe is overlapped in proper order and is equipped with preceding bearing, preceding bearing press the cover, the belt pulley, belt pulley and the cap, the belt pulley is installed on the cap section, the stern axle of the shaft sleeve pipe other end is overlapped in proper.
The bearing section is formed by integrally expanding the end part of the lubricating section, the oil seal section is formed by integrally expanding the end part of the bearing section, one end of the inner cavity of the shaft sleeve is expanded to form a rear bearing chamber, the inner cavity of the shaft sleeve on the outer side of the shaft collar chamber is expanded to form a rear sealing chamber, the length of the rear bearing chamber is greater than that of the bearing section, the length of the oil seal section is greater than that of the rear sealing chamber, the rear bearing is sleeved on the bearing section, the outer side of one end of the rear bearing is abutted against the shaft sleeve of the rear bearing chamber, the inner side of the other end of the rear bearing is abutted against the oil seal section, the number of rear framework oil seals is greater than 2, the rear bearing is sleeved on the oil seal section in sequence, the oil seal gland is sleeved on the oil seal section on the outer side of the rear framework oil seal, the edge of the oil seal gland is locked with, and a rear lubricating chamber is formed between the installed rear framework oil seal and the rear bearing.
The pressure sleeve section is formed by integrally contracting the end part of the lubricating section, the belt wheel section is formed by integrally contracting the end part of the pressure sleeve section, the cap section is formed by integrally contracting the end part of the belt wheel section and is provided with external threads, the other end of the inner cavity of the shaft sleeve pipe expands to form a front bearing chamber, the inner cavity of the shaft sleeve pipe outside the front bearing chamber expands to form a front sealing chamber, the front bearing and a front bearing pressure sleeve are sleeved on the pressure sleeve section, the edge of one end of the front bearing is abutted against the shaft sleeve pipe of the front bearing chamber, the inner ring of the other end of the front bearing is abutted against one end of the front bearing pressure sleeve, a front framework oil seal is sleeved on the outer peripheral surface of the front bearing pressure sleeve in the front sealing chamber, the inner cavity wall of the front framework oil seal is in surface contact with the front bearing pressure sleeve pipe in the front sealing chamber, an oil seal pressure cover is sleeved on the front shaft sleeve outside the front framework oil seal, and the edge, the mounted oil seal gland is contacted with the outer end of the front framework oil seal; a front lubricating chamber is formed between the mounted front framework oil seal and the front bearing, one end of the belt pulley is sleeved on the belt pulley section, the other end of the belt pulley is positioned on the outer side of the cap section, the end part of one end of the sleeved belt pulley is abutted to the end part of the front bearing pressing sleeve, the belt pulley is engaged with the cap section, and the inner end of the engaged belt pulley is abutted to the end part of the other end of the belt pulley.
The hub section is in a conical shape formed by gradually contracting a stern shaft, a hub key groove is formed in the surface of the stern shaft of the hub section, and the hub is sleeved on the hub section and is positioned through the hub key; the end cover section is cylindrical formed by shrinking a stern shaft at the outer end of the propeller hub section, an annular limiting groove is formed in the stern shaft between the end cover section and the propeller hub section, the guide cap is sleeved at the end part of the end cover section, and the guide cap and the outer end of the propeller hub are locked through bolts after being sleeved.
The front bearing and the rear bearing are respectively composed of an inner ring and an outer ring, the inner ring is sleeved on a corresponding section of the stern shaft, the outer peripheral surface of the inner ring gradually shrinks to form an oil guide inner conical surface, the smaller ends of the oil guide inner conical surfaces of the front bearing and the rear bearing are opposite, the outer ring is sleeved in the shaft sleeve, the inner cavity of the outer ring is provided with a conical oil guide outer conical surface, an oil guide channel is formed between the oil guide inner conical surface and the oil guide outer conical surface, and balls are arranged in the oil guide channel and are respectively abutted against the oil guide inner conical surface and the oil guide outer conical surface.
After the scheme is adopted, the front lubricating chamber, the rear lubricating chamber and the main lubricating chamber are connected through the oil guide channel, lubricating oil is injected from the oil injection joint and enters the front lubricating chamber and the rear lubricating chamber through the oil guide channel so as to lubricate components needing to be lubricated, the circulation speed (oil supply speed) of the lubricating oil is greatly improved by adopting the inclined oil guide channel, and on a screw shaft with the same outer diameter, the thickness of the front bearing pressing sleeve is twice of that of the traditional pressing sleeve, so that the belt pulley runs more stably, the pressing sleeve cannot burst, the service life of the improved pressing sleeve is prolonged by more than five times.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings, in which preferred embodiments of the invention are: referring to fig. 1, the shafting sealing system of the electric propulsion archaized sightseeing boat in the embodiment includes a stern shaft 10, the stern shaft 10 is sequentially divided into a cap combining section, a belt pulley section, a sleeve pressing section, a lubricating section, a bearing section, an oil seal section, a propeller hub section and an end cover section from front to tail, wherein a shaft sleeve 8 is sleeved outside the lubricating section, one end of the shaft sleeve 8 extends to the outside of the oil seal section, the other end extends to the outside of the sleeve pressing section, a main lubricating chamber is reserved between the inner cavity wall of the mounted shaft sleeve 8 and the outer peripheral surface of the stern shaft 10, an oil filling joint 9 is arranged on the shaft sleeve 8 of the main lubricating chamber, a front bearing 7, a front bearing pressing sleeve 14, a belt pulley 3 and a belt pulley combining cap 1 are sequentially sleeved on the stern shaft 10 at one end of the shaft sleeve 8, the belt pulley combining cap 1 is mounted on the end cap, a rear bearing 11, a rear framework 12, a gland 5, a propeller hub section, The propeller hub 15, water conservancy diversion cap 4 installs in end cover section tip.
The bearing section is formed by integrally expanding the end part of the lubricating section, the oil seal section is formed by integrally expanding the end part of the bearing section, one end of the inner cavity of the shaft sleeve 8 is expanded to form a rear bearing chamber, the inner cavity of the shaft sleeve 8 outside the shaft collar chamber is expanded to form a rear seal chamber, the length of the rear bearing chamber is greater than that of the bearing section, the length of the oil seal section is greater than that of the rear seal chamber, the rear bearing 11 is sleeved on the bearing section, the outer side of one end of the rear bearing 11 is abutted against the shaft sleeve 8 of the rear bearing chamber, the inner side of the other end of the rear bearing 11 is abutted against the oil seal section, the number of rear framework oil seals 12 is greater than 2, the rear framework oil seals 12 are sequentially sleeved on the oil seal section, the oil seal gland 5 is sleeved on the oil seal section outside the rear framework oil seal 12, the edge of the oil seal gland 5 is locked with the end part of the shaft sleeve 8 through corresponding bolts, and a rear lubricating chamber is formed between the mounted rear framework oil seal 12 and the rear bearing 11.
The pressing sleeve section is formed by integrally contracting the end part of the lubricating section, the belt wheel section is formed by integrally contracting the end part of the pressing sleeve section, the cap section is formed by integrally contracting the end part of the belt wheel section and is provided with external threads, the other end of the inner cavity of the shaft sleeve 8 is expanded to form a front bearing chamber, the inner cavity of the shaft sleeve 8 outside the front bearing chamber is expanded to form a front sealing chamber, a front bearing 7 and a front bearing pressing sleeve 14 are sleeved on the pressing sleeve section, the edge of one end of the front bearing 7 is butted with the shaft sleeve 8 of the front bearing chamber, the inner ring of the other end of the front bearing 7 is butted with one end of the front bearing pressing sleeve 14, a front framework oil seal 6 is sleeved on the outer peripheral surface of the front bearing pressing sleeve 14 in the front sealing chamber, the inner cavity wall of the front framework oil seal 6 is in surface contact with the front bearing pressing sleeve 14, the outer peripheral surface of the front framework oil seal 6 is in contact with the inner cavity of the, the edge of the oil seal gland 5 and the end part of the shaft sleeve 8 are sealed by corresponding bolts, and the installed oil seal gland 5 is contacted with the outer end of the front framework oil seal 6; a front lubricating chamber is formed between the front framework oil seal 6 and the front bearing 7 after installation, one end of the belt pulley 3 is sleeved on the belt pulley section, the other end of the belt pulley is positioned on the outer side of the nut section, the end part of one end of the sleeved belt pulley 3 is butted with the end part of the front bearing pressing sleeve 14, the belt pulley nut 1 is meshed on the nut section, and the inner end of the meshed belt pulley nut 1 is butted with the end part of the other end of the belt pulley 3.
The propeller hub section is a cone formed by gradually contracting a stern shaft 10, a propeller hub key groove is formed in the surface of the stern shaft 10 of the propeller hub section, and the propeller hub 15 is sleeved on the propeller hub section and is positioned through a propeller hub key 13; the end cover section is cylindrical formed by shrinking a stern shaft 10 at the outer end of the propeller hub section, an annular limiting groove is arranged on the stern shaft 10 between the end cover section and the propeller hub section, the guide cap 4 is sleeved at the end part of the end cover section, and the guide cap 4 and the outer end of the propeller hub 15 after being sleeved are locked through bolts.
The front bearing 7 and the rear bearing 11 are both composed of an inner ring and an outer ring, the inner ring is sleeved on a corresponding section of the stern shaft 10, the outer peripheral surface of the inner ring gradually shrinks to form an oil guide inner conical surface, the smaller ends of the oil guide inner conical surfaces of the front bearing 7 and the rear bearing 11 are opposite, the outer ring is sleeved in the shaft sleeve 8, the inner cavity of the outer ring is provided with a conical oil guide outer conical surface, an oil guide channel is formed between the oil guide inner conical surface and the oil guide outer conical surface, and balls are arranged in the oil guide channel and respectively abutted against the oil guide inner conical surface and the oil guide outer conical surface.
This embodiment is after adopting above-mentioned scheme, preceding lubrication chamber, connect through leading oil passageway between back lubrication chamber and the main lubrication chamber, lubricating oil pours into from oiling joint, lubrication chamber before getting into through leading oil passageway, back lubrication chamber, thereby lubricate the part that needs the lubrication, the oil passageway that leads that adopts the slope makes the circulating speed (fuel feeding speed) of lubricating oil improve greatly, on the stern axle of equal external diameter, the thickness of preceding bearing pressure cover is the twice of traditional pressure cover thickness, thereby it is more stable to make the belt pulley operation, the pressure cover can not take place again to burst, pressure cover life extension more than the fivefold after the improvement, rational in infrastructure after adopting this embodiment, excellent in use effect.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the changes in the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an electric propulsion archaize sightseeing boat shafting sealing system, it is including stern axle (10), its characterized in that: the stern shaft (10) is divided into a cap combining section, a belt wheel section, a sleeve pressing section, a lubricating section, a bearing section, an oil seal section, a propeller hub section and an end cover section from front to tail in sequence, wherein a shaft sleeve (8) is sleeved outside the lubricating section, one end of the shaft sleeve (8) extends to the outside of the oil seal section, the other end of the shaft sleeve extends to the outside of the sleeve pressing section, a main lubricating chamber is reserved between the inner cavity wall of the mounted shaft sleeve (8) and the outer peripheral surface of the stern shaft (10), an oil injection joint (9) is arranged on the shaft sleeve (8) of the main lubricating chamber, a front bearing (7), a front bearing pressing sleeve (14), a belt disc (3) and a belt disc and cap (1) are sequentially sleeved on the stern shaft (10) at one end of the shaft sleeve (8), a rear bearing (11), a rear framework (12), a gland (5) and an oil seal are sequentially sleeved on the stern shaft (10) at the other end of the belt disc and cap combining section, the, The propeller hub (15) and the diversion cap (4), and the diversion cap (4) is installed at the end part of the end cover section.
2. The electric-push archaized sightseeing ship shafting sealing system according to claim 1, wherein: the bearing section is formed by integrally expanding the end part of the lubricating section, the oil seal section is formed by integrally expanding the end part of the bearing section, one end of the inner cavity of the shaft sleeve (8) is expanded to form a rear bearing chamber, the inner cavity of the shaft sleeve (8) outside the shaft ring chamber is expanded to form a rear sealing chamber, the length of the rear bearing chamber is greater than that of the bearing section, the length of the oil seal section is greater than that of the rear sealing chamber, the rear bearing (11) is sleeved on the bearing section, the outer side of one end of the rear bearing (11) is abutted against the shaft sleeve (8) of the rear bearing chamber, the inner side of the other end of the rear bearing (11) is abutted against the oil seal section, the rear framework oil seals (12) are sequentially sleeved on the oil seal section, the oil seal gland (5) is sleeved on the oil seal section outside the rear framework oil seal (12), the edge of the oil seal gland (5) is locked with the end part of the shaft sleeve (8) through corresponding bolts, the inner, the other end of the rear framework oil seal (12) is abutted against a shaft sleeve (8) of the rear sealing chamber, and a rear lubricating chamber is formed between the mounted rear framework oil seal (12) and the rear bearing (11).
3. The electric-push archaized sightseeing ship shafting sealing system according to claim 1, wherein: the pressing sleeve section is formed by integrally contracting the end part of the lubricating section, the belt wheel section is formed by integrally contracting the end part of the pressing sleeve section, the cap section is formed by integrally contracting the end part of the belt wheel section and is provided with external threads, the other end of the inner cavity of the shaft sleeve (8) expands to form a front bearing chamber, the inner cavity of the shaft sleeve (8) at the outer side of the front bearing chamber expands to form a front sealing chamber, a front bearing (7) and a front bearing pressing sleeve (14) are sleeved on the pressing sleeve section, the edge of one end of the front bearing (7) is butted with the shaft sleeve (8) of the front bearing chamber, the inner ring at the other end of the front bearing (7) is butted with one end of the front bearing pressing sleeve (14), a front framework oil seal (6) is sleeved on the outer peripheral surface of the front bearing pressing sleeve (14) in the front sealing chamber, the inner cavity wall of the front framework oil seal (6) is in surface contact with the front bearing pressing sleeve (14), the outer peripheral surface, the oil seal gland (5) is sleeved on a front bearing pressing sleeve (14) on the outer side of the front framework oil seal (6), the edge of the oil seal gland (5) and the end part of the shaft sleeve (8) are sealed through corresponding bolts, and the installed oil seal gland (5) is contacted with the outer end of the front framework oil seal (6); a front lubricating chamber is formed between a front framework oil seal (6) and a front bearing (7) after installation, one end of a belt pulley (3) is sleeved on the belt pulley section, the other end of the belt pulley is positioned on the outer side of a nut section, the end part of one end of the sleeved belt pulley (3) is abutted against the end part of a front bearing pressing sleeve (14), the belt pulley nut and nut (1) is engaged on the nut section, and the inner end of the engaged belt pulley nut and nut (1) is abutted against the end part of the other end of the belt pulley (3).
4. The electric-push archaized sightseeing ship shafting sealing system according to claim 1, wherein: the propeller hub section is in a conical shape formed by gradually contracting a stern shaft (10), a propeller hub key groove is formed in the surface of the stern shaft (10) of the propeller hub section, and the propeller hub (15) is sleeved on the propeller hub section and is positioned through a propeller hub key (13); the end cover section is cylindrical and formed by shrinking a stern shaft (10) at the outer end of the propeller hub section, an annular limiting groove is formed in the stern shaft (10) between the end cover section and the propeller hub section, the guide cap (4) is sleeved at the end part of the end cover section, and the guide cap (4) and the outer end of the propeller hub (15) after being sleeved are locked through bolts.
5. The electric-push archaized sightseeing ship shafting sealing system according to claim 1, wherein: the front bearing (7) and the rear bearing (11) are both composed of an inner ring and an outer ring, the inner ring is sleeved on a corresponding section of the stern shaft (10), the outer peripheral surface of the inner ring gradually shrinks to form an oil guiding inner conical surface, the smaller ends of the oil guiding inner conical surfaces of the front bearing (7) and the rear bearing (11) are opposite, the outer ring is sleeved in the shaft sleeve (8), the inner cavity of the outer ring is provided with a conical oil guiding outer conical surface, an oil guiding channel is formed between the oil guiding inner conical surface and the oil guiding outer conical surface, and balls are arranged in the oil guiding channel and respectively abutted against the oil guiding inner conical surface and the oil guiding outer conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290791.8A CN112278221A (en) | 2020-11-17 | 2020-11-17 | Electric propulsion archaize sightseeing boat shafting sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290791.8A CN112278221A (en) | 2020-11-17 | 2020-11-17 | Electric propulsion archaize sightseeing boat shafting sealing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112278221A true CN112278221A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011290791.8A Pending CN112278221A (en) | 2020-11-17 | 2020-11-17 | Electric propulsion archaize sightseeing boat shafting sealing system |
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| CN (1) | CN112278221A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1256518A2 (en) * | 2001-05-11 | 2002-11-13 | Eagle Industry Co., Ltd. | Stern tube shaft sealing apparatus |
| 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 |
| CN205534211U (en) * | 2015-12-31 | 2016-08-31 | 湖南大洋机械制造有限公司 | Stern shaft sealing mechanism with adjustable boats and ships |
| CN206885317U (en) * | 2017-06-20 | 2018-01-16 | 无锡红旗船厂有限公司 | A kind of monoblock type ship stern pipe |
| CN207225634U (en) * | 2017-10-12 | 2018-04-13 | 湖南三环船舶工程有限公司 | The wear-resisting retaining mechanism of oil sealing |
| CN213800137U (en) * | 2020-11-17 | 2021-07-27 | 湖南万骏船舶有限公司 | Electric propulsion archaize sightseeing boat shafting sealing system |
-
2020
- 2020-11-17 CN CN202011290791.8A patent/CN112278221A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1256518A2 (en) * | 2001-05-11 | 2002-11-13 | Eagle Industry Co., Ltd. | Stern tube shaft sealing apparatus |
| 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 |
| CN205534211U (en) * | 2015-12-31 | 2016-08-31 | 湖南大洋机械制造有限公司 | Stern shaft sealing mechanism with adjustable boats and ships |
| CN206885317U (en) * | 2017-06-20 | 2018-01-16 | 无锡红旗船厂有限公司 | A kind of monoblock type ship stern pipe |
| CN207225634U (en) * | 2017-10-12 | 2018-04-13 | 湖南三环船舶工程有限公司 | The wear-resisting retaining mechanism of oil sealing |
| CN213800137U (en) * | 2020-11-17 | 2021-07-27 | 湖南万骏船舶有限公司 | Electric propulsion archaize sightseeing boat shafting sealing system |
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