CN109139922A - A kind of alarm type stern shaft seal gland - Google Patents
A kind of alarm type stern shaft seal gland Download PDFInfo
- Publication number
- CN109139922A CN109139922A CN201810935894.1A CN201810935894A CN109139922A CN 109139922 A CN109139922 A CN 109139922A CN 201810935894 A CN201810935894 A CN 201810935894A CN 109139922 A CN109139922 A CN 109139922A
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- CN
- China
- Prior art keywords
- sealing
- ring
- gland
- sealing ring
- outside
- 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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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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of alarm type stern shaft seal gland, including bottom plate, gland, stern tube shaft, sealing mechanism, alarm mechanism, the alarm mechanism includes hermetically sealed can, power supply module, buzzer, connecting column, sealing piston plate, conducting sphere；The connecting column is mounted on the outside of gland；The inside of the connecting column is equipped with interface channel；The interface channel is connected to annular space；The sealing piston plate is slidably connected in interface channel；Conducting sphere is connected by connecting rod on the outside of the sealing piston plate；The power supply module and buzzer is mounted on the outside of gland；The power supply module and buzzer is located at the two sides of connecting column；Conducting sphere is driven to move outward and power supply module and buzzer is connected when the sealing piston plate moves outward；The hermetically sealed can is sealedly connected on the outside of gland.Present invention water inlet can alarm, sealing structure installs convenience, using flexible, stable connection.
Description
Technical field
The present invention relates to a kind of alarm type stern shaft seal glands.
Background technique
Stern tube shaft, also known as tailing axle.Stern tube shaft is one section of axis of most end in shafting, head end flange and intermediate shaft flange close-fitting spiral shell
Bolt is connected；Tail end is in cone shape, to install propeller.Stern tube shaft is forged with quality carbon steel.Currently, in shipping industry,
Seawater, lake water are penetrated into along stern tube into hull in order to prevent, and stringent be sealed to protect must be just carried out to stern tube shaft
Demonstrate,prove ships safety, it is existing be used in stern shaft seal generally by multiple junctions sealing ring carry out it is close
Envelope cooperates the use of sealing ring that multiple pressing mechanisms is needed to be cooperatively connected, and then lead to the structure of entire sealing device
Complexity, installs not convenient, and in addition existing stern shaft seal gland is not intake warning device, and the present invention provides a kind of water inlet can
It alarms, the alarm type stern shaft seal gland of sealing structure installation convenience, using flexible, stable connection.
Summary of the invention
In view of the deficiencies of the prior art mentioned above, problems solved by the invention are as follows: providing a kind of water inlet can alarm, seal
Structure install convenience, using flexible, stable connection alarm type stern shaft seal gland.
To solve the above problems, the technical solution adopted by the present invention is as follows:
A kind of alarm type stern shaft seal gland, including bottom plate, gland, stern tube shaft, sealing mechanism, alarm mechanism；The gland peace
On bottom plate；Sealing cavity is between the gland and bottom plate；The stern tube shaft is interspersed in sealing cavity；Described
Sealing mechanism is mounted in sealing cavity；The sealing mechanism include the first sealing ring, the second sealing ring, sealing telescopic pipe,
Telescopic resilience body, locked component；First sealing ring and the second sealing ring be parallel and concentric setting；The sealing is stretched
Draw ring-shaped section and ring-shaped structure；The both ends of the sealing telescopic pipe are solidificated in the interior of the first sealing ring and the second sealing ring respectively
On side end face；Telescopic resilience body column structure in a ring；The telescopic resilience body is mounted in sealing telescopic pipe；Institute
Elasticity is pressed on the inner side end of the first sealing ring and the second sealing ring respectively at the both ends for the telescopic resilience body stated；Described
One sealing ring and the second sealing ring are tightly sleeved on stern tube shaft；First sealing ring is pressed on the inner side end of bottom plate
On；Second sealing ring is pressed on the inner side end of gland；First sealing ring and the second sealing ring passes through lock
Determine component to fix with gland；Annular space is equipped between the sealing telescopic pipe and stern tube shaft；The alarm mechanism includes close
Sealed cans, power supply module, buzzer, connecting column, sealing piston plate, conducting sphere；The alarm mechanism is mounted on the outer of gland
Side；The connecting column is mounted on the outside of gland；The inside of the connecting column is equipped with interface channel；The interface channel
It is connected to annular space；The sealing piston plate is slidably connected in interface channel；Pass through on the outside of the sealing piston plate
Connecting rod connection conducting sphere；The power supply module and buzzer is mounted on the outside of gland；The power supply module and bee
Ring device is located at the two sides of connecting column；Drive conducting sphere mobile outward simultaneously when the sealing piston plate moves outward
Power supply module and buzzer is connected；The power supply module, buzzer, connecting column, sealing piston plate, conducting sphere seal peace
In hermetically sealed can；The hermetically sealed can is sealedly connected on the outside of gland.
Further, the power supply module side is equipped with the first conductive column；The side of the buzzer is equipped with second and leads
Electric column；First conductive column and the second conductive column is connected by the way that sphere is connected.
Further, the alarm mechanism further includes limit ring body and Flexible Reset body；The limit ring body is mounted on
On the interface channel surrounding inner wall of connecting column；Flexible Reset body structure in a ring；The Flexible Reset body is mounted on
It limits between ring body and sealing piston plate；The Flexible Reset body squeezes sealing piston plate to interface channel inner elastic.
Further, the locked component includes expansion ring, flexible ring set, T shape positioning screw；The flexible ring set one
End seal closes, another end opening, is equipped with annular retractable chamber in the ring set that stretches；One end of the expansion ring is fixed on the first sealing ring
Surrounding on the outside of；One end of the flexible ring set is fixed on the outside of the surrounding of the second sealing ring；The expansion ring it is another
The intracavitary portion of annular retractable of the flexible other end for being inserted into flexible ring set in end；It is flexible that the expansion ring and flexible ring set are located at sealing
On the outside of the surrounding of pipe；The two sides of the expansion ring are respectively equipped with a locking screw thread channel；Distinguish the two sides of the gland
Equipped with a jack hole；Annular retractable is inserted into from one end of flexible ring set after jack hole in described shape positioning screw one end T
Intracavitary, T shape positioning screw passes through annular retractable chamber rear thread and is connected in the locking screw thread channel of expansion ring；The T shape is fixed
The other end of position screw rod is connected on the outside of gland.
Further, seal ring piece is equipped between the other end and gland of the T shape positioning screw.
Further, first sealing ring and the second sealing ring are made of silastic material.
Further, the sealing telescopic pipe is PVC telescoping tube.
Further, the telescopic resilience body is spring.
Further, it is installed between the bottom plate and gland by screw.
Beneficial effects of the present invention
1. the present invention is additionally arranged alarm mechanism, after water enters annular space, water flow be will push in connecting column interface channel
Sealing piston plate, when sealing piston plate moves outward, drive conducting sphere move outward, when conducting the outside sidesway of sphere
When the dynamic conducting end for touching power supply module and buzzer, power supply module can be powered to buzzer, so that buzzer carries out
Alarm, the present invention is ingenious in design, can issue alarm signal in time.
2. design of Sealing Structure of the invention is ingenious, two sealing rings are carried out using the sealing telescopic pipe of structure in a ring
Connection, using sealing telescopic pipe as the connection medium of two sealing rings, while load of the sealing telescopic pipe as telescopic resilience body
Telescopic resilience body is mounted in sealing telescopic pipe by body, by telescopic resilience body to squeezing the first sealing ring and the on the outside of both ends
Two sealing rings, so that the first sealing ring is closely pressed on the inner side end of bottom plate and the second sealing ring is closely pressed on gland
Inner side end on；The present invention due to sealing telescopic pipe and telescopic resilience body retractility so that the first sealing ring and second close
The position of seal ring can be carried out with the size of sealing cavity with adjusting, and use is more flexible.
3. the locked component that the present invention adds includes expansion ring, flexible ring set, T shape positioning screw, T shape positioning screw one end
It is inserted into annular telescopic cavity after jack hole from one end of flexible ring set, T shape positioning screw passes through annular retractable chamber rear thread
It is connected in the locking screw thread channel of expansion ring, the other end of T shape positioning screw is connected on the outside of gland.In this way, may be implemented
First sealing ring and the second sealing ring pass through the fixation of locked component and gland.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the invention.
Fig. 2 is the enlarged cross-sectional view of sealing mechanism of the present invention and locked component side.
Fig. 3 is the structural schematic diagram on the outside of gland.
Fig. 4 is the overlooking structure diagram of the normality of alarm mechanism.
Fig. 5 is the overlooking structure diagram of leak alarm mechanism.
Specific embodiment
The content of present invention is described in further detail with reference to the accompanying drawing.
As shown in Fig. 1 to 5, a kind of alarm type stern shaft seal gland, including bottom plate 1, gland 2, stern tube shaft 6, sealing mechanism, report
Alert mechanism 8.The gland 2 is mounted on bottom plate 1；Sealing cavity is between the gland 2 and bottom plate 1.The stern
Axis 6 is interspersed in sealing cavity；The sealing mechanism is mounted in sealing cavity.The sealing mechanism includes the first sealing
Ring 31, the second sealing ring 32, sealing telescopic pipe 33, telescopic resilience body 34, locked component.First sealing ring 31 and second
Sealing ring 32 is parallel and concentric setting；The 33 ring-shaped section and ring-shaped structure of sealing telescopic pipe；The sealing telescopic pipe 33
Both ends be solidificated on the inner side end of the first sealing ring 31 and the second sealing ring 32 respectively；The telescopic resilience body 34 is in ring
Shape column structure；The telescopic resilience body 34 is mounted in sealing telescopic pipe 33；The both ends of the telescopic resilience body 34 point
Elasticity is not pressed on the inner side end of the first sealing ring 31 and the second sealing ring 32；First sealing ring 31 and second is close
Seal ring 32 is tightly sleeved on stern tube shaft 6；First sealing ring 31 is pressed on the inner side end of bottom plate 1；Described
Two sealing rings 32 are pressed on the inner side end of gland 2；First sealing ring 31 and the second sealing ring 32 passes through locking group
Part and gland 2 are fixed；Annular space 7 is equipped between the sealing telescopic pipe 33 and stern tube shaft 6.
As shown in Fig. 3 to 5, the alarm mechanism 8 includes hermetically sealed can 81, power supply module 82, buzzer 83, connecting column
84, sealing piston plate 88, conducting sphere 85；The alarm mechanism 8 is mounted on the outside of gland 2；The connecting column 84 is pacified
Mounted in the outside of gland 2；The inside of the connecting column 84 is equipped with interface channel 841；The interface channel 841 and annular are empty
Gap 7 is connected to；The sealing piston plate 88 is slidably connected in interface channel 841；Pass through on the outside of the sealing piston plate 88
Connecting rod connection conducting sphere 85；The power supply module 82 and buzzer 83 is mounted on the outside of gland 2；The power supply mould
Block 82 and buzzer 83 are located at the two sides of connecting column 84；Conducting ball is driven when the sealing piston plate 88 moves outward
Body 85 moves outward and power supply module 82 and buzzer 83 is connected；The power supply module 82, buzzer 83, connecting column 84,
Sealing piston plate 88, conducting sphere 85 are sealingly mounted in hermetically sealed can 81；The hermetically sealed can 81 is sealedly connected on outside gland 2
Side.Further, 82 side of power supply module is equipped with the first conductive column 821；The side of the buzzer 83 is equipped with second
Conductive column 831；First conductive column 821 and the second conductive column 831 is connected by the way that sphere 85 is connected.Further, institute
The alarm mechanism 8 stated further includes limit ring body 86 and Flexible Reset body 87；The limit ring body 86 is mounted on connecting column 84
On 841 surrounding inner wall of interface channel；The Flexible Reset body 87 structure in a ring；The Flexible Reset body 87 is mounted on limit
Between position ring body 86 and sealing piston plate 88；The Flexible Reset body 87 squeezes sealing to 841 inner elastic of interface channel and lives
Seben 88.
As illustrated in fig. 1 and 2, further preferably, described in order to which the first sealing ring 31 and the second sealing ring 32 are fixed
Locked component include expansion ring 41, flexible ring set 42, T shape positioning screw 43；The flexible ring set 42 is closed at one end, another
End opening, the ring set that stretches is interior to be equipped with annular retractable chamber 421；One end of the expansion ring 41 is fixed on the four of the first sealing ring 31
All outsides；One end of the flexible ring set 42 is fixed on the outside of the surrounding of the second sealing ring 32；The expansion ring 41 it is another
Inside the annular retractable chamber 421 of the flexible other end for being inserted into flexible ring set 42 in one end；The expansion ring 41 and flexible ring set 42
On the outside of the surrounding of sealing telescopic pipe 33；The two sides of the expansion ring 41 are respectively equipped with a locking screw thread channel 411；Institute
The two sides for the gland 2 stated are respectively equipped with a jack hole；Described 43 one end of T shape positioning screw is after jack hole from expansion ring
One end of set 42, that is, the insertion hole 422 stretched on the closed end of ring set 42 are inserted into annular telescopic cavity 421, T shape positioning screw 43
In the locking screw thread channel 411 that 421 rear thread of annular retractable chamber is connected to expansion ring 41；The T shape positioning screw 43
The other end be connected to the outside of gland 2.Further preferably, between the other end 431 and gland 2 of the T shape positioning screw 43
Equipped with seal ring piece 44.Further preferably, first sealing ring 31 and the second sealing ring 32 are made of silastic material.Into
One step is preferred, and the sealing telescopic pipe 33 is PVC telescoping tube.Further preferably, the telescopic resilience body 34 is spring.Into
One step is preferred, is installed between the bottom plate 1 and gland 2 by screw 21.
The present invention is additionally arranged alarm mechanism 8, and after water enters annular space 7, water flow will push to be connected positioned at connecting column 84
Sealing piston plate 88 in channel 841 when sealing piston plate 88 moves outward, drives conducting sphere 85 to move outward, when
When being connected sphere 85 moving contact arriving the conducting end of power supply module 82 and buzzer 83 outward, power supply module 82 is understood to buzzer
83 are powered, so that buzzer 83 is alarmed, the present invention is ingenious in design, can issue alarm signal in time；Of the invention is close
Seal structure is ingenious in design, and two sealing rings are attached using the sealing telescopic pipe 33 of structure in a ring, flexible using sealing
Connection medium of the pipe 33 as two sealing rings, while carrier of the sealing telescopic pipe 33 as telescopic resilience body 34, by flexible bullet
Property body 34 be mounted in sealing telescopic pipe 33, it is close to the first sealing ring 31 and second is squeezed on the outside of both ends by telescopic resilience body 34
Seal ring 32, so that the first sealing ring 31 is closely pressed on the inner side end of bottom plate 1 and the second sealing ring 32 is closely pressed on
On the inner side end of gland 2；The present invention due to sealing telescopic pipe 33 and telescopic resilience body 34 retractility so that the first sealing ring
31 and second sealing ring 32 position can with the size of sealing cavity carry out with adjusting, use is more flexible.This hair
The bright locked component added includes expansion ring, flexible ring set, T shape positioning screw, the shape positioning screw one end T pass through after jack hole from
One end of flexible ring set is inserted into annular telescopic cavity, and T shape positioning screw passes through annular retractable chamber rear thread and is connected to expansion ring
In locking screw thread channel, the other end of T shape positioning screw is connected on the outside of gland.In this way, may be implemented the first sealing ring and
Second sealing ring passes through the fixation of locked component and gland.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of alarm type stern shaft seal gland, which is characterized in that including bottom plate, gland, stern tube shaft, sealing mechanism, alarm mechanism；
The gland is mounted on bottom plate；Sealing cavity is between the gland and bottom plate；The stern tube shaft is interspersed in sealing
In cavity；The sealing mechanism is mounted in sealing cavity；The sealing mechanism includes the first sealing ring, the second sealing
Ring, sealing telescopic pipe, telescopic resilience body, locked component；First sealing ring and the second sealing ring is parallel and concentric sets
It sets；The sealing telescopic pipe ring-shaped section and ring-shaped structure；The both ends of the sealing telescopic pipe are solidificated in the first sealing ring respectively
On the inner side end of the second sealing ring；Telescopic resilience body column structure in a ring；The telescopic resilience body installation
In sealing telescopic pipe；Elasticity is pressed on the interior of the first sealing ring and the second sealing ring respectively at the both ends of the telescopic resilience body
On side end face；First sealing ring and the second sealing ring is tightly sleeved on stern tube shaft；First sealing ring compresses
On the inner side end of bottom plate；Second sealing ring is pressed on the inner side end of gland；First sealing ring and
Second sealing ring is fixed by locked component and gland；Annular space is equipped between the sealing telescopic pipe and stern tube shaft；It is described
Alarm mechanism include hermetically sealed can, power supply module, buzzer, connecting column, sealing piston plate, conducting sphere；The alarming machine
Structure is mounted on the outside of gland；The connecting column is mounted on the outside of gland；It is logical that the inside of the connecting column is equipped with connection
Road；The interface channel is connected to annular space；The sealing piston plate is slidably connected in interface channel；Described is close
It seals on the outside of piston plate and conducting sphere is connected by connecting rod；The power supply module and buzzer is mounted on the outside of gland；Institute
The power supply module and buzzer stated are located at the two sides of connecting column；Conducting is driven when the sealing piston plate moves outward
Sphere moves outward and power supply module and buzzer is connected；The power supply module, buzzer, connecting column, sealing piston plate,
Conducting sphere is sealingly mounted in hermetically sealed can；The hermetically sealed can is sealedly connected on the outside of gland.
2. alarm type stern shaft seal gland according to claim 1, which is characterized in that the power supply module side is equipped with
First conductive column；The side of the buzzer is equipped with the second conductive column；First conductive column and the second conductive column passes through
Conducting sphere is connected.
3. alarm type stern shaft seal gland according to claim 1, which is characterized in that the alarm mechanism further includes limit
Position ring body and Flexible Reset body；The limit ring body is mounted on the interface channel surrounding inner wall of connecting column；The reset
Elastomer structure in a ring；The Flexible Reset body is mounted between limit ring body and sealing piston plate；The reset bullet
Property body to interface channel inner elastic squeeze sealing piston plate.
4. alarm type stern shaft seal gland according to claim 1, which is characterized in that the locked component includes flexible
Ring, flexible ring set, T shape positioning screw；The flexible ring set is closed at one end, another end opening, is equipped with annular in the ring set that stretches
Telescopic cavity；One end of the expansion ring is fixed on the outside of the surrounding of the first sealing ring；One end of the flexible ring set is fixed
On the outside of the surrounding of the second sealing ring；The annular retractable of the flexible other end for being inserted into flexible ring set of the other end of the expansion ring
Intracavitary portion；The expansion ring and flexible ring set are located on the outside of the surrounding of sealing telescopic pipe；Distinguish the two sides of the expansion ring
Equipped with a locking screw thread channel；The two sides of the gland are respectively equipped with a jack hole；Described T shape positioning screw one end
It is inserted into annular telescopic cavity after jack hole from one end of flexible ring set, T shape positioning screw passes through annular retractable chamber rear thread
It is connected in the locking screw thread channel of expansion ring；The other end of the T shape positioning screw is connected on the outside of gland.
5. alarm type stern shaft seal gland according to claim 4, which is characterized in that the T shape positioning screw it is another
Seal ring piece is equipped between one end and gland.
6. alarm type stern shaft seal gland according to claim 1, which is characterized in that first sealing ring and second
Sealing ring is made of silastic material.
7. alarm type stern shaft seal gland according to claim 1, which is characterized in that the sealing telescopic pipe is PVC
Telescoping tube.
8. alarm type stern shaft seal gland according to claim 1, which is characterized in that the telescopic resilience body is bullet
Spring.
9. alarm type stern shaft seal gland according to claim 1, which is characterized in that lead between the bottom plate and gland
Screw is crossed to be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935894.1A CN109139922B (en) | 2018-08-16 | 2018-08-16 | Warning type stern shaft sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935894.1A CN109139922B (en) | 2018-08-16 | 2018-08-16 | Warning type stern shaft sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109139922A true CN109139922A (en) | 2019-01-04 |
| CN109139922B CN109139922B (en) | 2020-05-26 |
Family
ID=64789758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810935894.1A Active CN109139922B (en) | 2018-08-16 | 2018-08-16 | Warning type stern shaft sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139922B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624443A (en) * | 2019-10-25 | 2019-12-31 | 江苏万瑞达生物科技股份有限公司 | Continuous shoveling type composite vitamin mixing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB158480A (en) * | 1920-04-16 | 1921-02-10 | John Arbuckle | Improvements in or relating to the watertight packing of marine propeller-shafts |
| JPH04252795A (en) * | 1990-12-26 | 1992-09-08 | Mitsubishi Heavy Ind Ltd | Stern tube sealing device |
| CN2416042Y (en) * | 1999-11-05 | 2001-01-24 | 成都明达船用密封有限公司 | Marine oil lubrication stern shaft sealing apparatus |
| CN204677766U (en) * | 2015-05-11 | 2015-09-30 | 四川大禹机械密封件制造有限公司 | Naval vessel stern shaft mechanical sealing device |
| 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 |
| CN106404615A (en) * | 2016-08-30 | 2017-02-15 | 广州文冲船厂有限责任公司 | Ship tail shaft shaft-seal, lubricating, and sealing condition monitoring system |
| CN206377281U (en) * | 2016-12-30 | 2017-08-04 | 泰州市慧通机械工程有限公司 | A kind of Water lubricating stern shaft sealing device with air bag |
| CN107289137A (en) * | 2017-08-08 | 2017-10-24 | 东台市岳东橡胶密封件厂 | A kind of marine screw shaft sealing device |
-
2018
- 2018-08-16 CN CN201810935894.1A patent/CN109139922B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB158480A (en) * | 1920-04-16 | 1921-02-10 | John Arbuckle | Improvements in or relating to the watertight packing of marine propeller-shafts |
| JPH04252795A (en) * | 1990-12-26 | 1992-09-08 | Mitsubishi Heavy Ind Ltd | Stern tube sealing device |
| CN2416042Y (en) * | 1999-11-05 | 2001-01-24 | 成都明达船用密封有限公司 | Marine oil lubrication stern shaft sealing apparatus |
| CN204677766U (en) * | 2015-05-11 | 2015-09-30 | 四川大禹机械密封件制造有限公司 | Naval vessel stern shaft mechanical sealing device |
| 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 |
| CN106404615A (en) * | 2016-08-30 | 2017-02-15 | 广州文冲船厂有限责任公司 | Ship tail shaft shaft-seal, lubricating, and sealing condition monitoring system |
| CN206377281U (en) * | 2016-12-30 | 2017-08-04 | 泰州市慧通机械工程有限公司 | A kind of Water lubricating stern shaft sealing device with air bag |
| CN107289137A (en) * | 2017-08-08 | 2017-10-24 | 东台市岳东橡胶密封件厂 | A kind of marine screw shaft sealing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624443A (en) * | 2019-10-25 | 2019-12-31 | 江苏万瑞达生物科技股份有限公司 | Continuous shoveling type composite vitamin mixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109139922B (en) | 2020-05-26 |
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