CN107255167A - Emergency type stern shaft end surface sealing device - Google Patents
Emergency type stern shaft end surface sealing device Download PDFInfo
- Publication number
- CN107255167A CN107255167A CN201710685671.XA CN201710685671A CN107255167A CN 107255167 A CN107255167 A CN 107255167A CN 201710685671 A CN201710685671 A CN 201710685671A CN 107255167 A CN107255167 A CN 107255167A
- Authority
- CN
- China
- Prior art keywords
- ring
- main card
- card circle
- end surface
- sealing device
- 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.)
- Pending
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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
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
-
- 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)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
Abstract
The present invention relates to a kind of emergency type stern shaft end surface sealing device, device is dissection type, including mounting seat；The first main card circle is provided with mounting seat, first main card circle is connected with the second main card circle by elastic compensating body, and the second main card circle is arranged on bracket, and sealing ring is fixedly connected with the outside of bracket, the outside laminating of sealing ring, which is provided with support ring, support ring, is connected with transmission snap ring；Gas-flow closure is provided between mounting seat and stern tube shaft, one end of gas-flow closure is provided with emergent seal, emergent seal is that some sections of circular arcs crowd around the completely circular structure to be formed, the outer end of emergent seal is provided with regulation ring, and emergent seal can be moved along the axial direction of stern tube shaft under the extruding of regulation ring.The present invention it is simple in construction, it is compact to design, emergent seal can Reusability, it is easy to adjust, greatly enhance emergency capability during ship navigation.
Description
Technical field
The present invention relates to a kind of emergency type stern shaft end surface sealing device, belong to screw shaft of ship sealing device technical field.
Background technology
The relative motion surface for the sealing friction pair that traditional shock resistance axial seal device for screw shaft of ship is constituted because
The increasing of wear extent will cause water leakage rate gradually to increase, and under adverse circumstances in water, the adaptability such as silt compared with
Difference, will cause sealing device sound friction pair to fail when serious, influence ship normal/cruise is, it is necessary to complex steps engineering when repairing
Amount is larger can only to realize the replacing of whole device, and in case of emergency response time length is without urgent counte-rplan.
The content of the invention
The invention aims to solve the above problems, there is provided a kind of emergency type stern simple in construction, compact to design
Shaft end face seals.
The present invention is adopted the following technical scheme that：A kind of emergency type stern shaft end surface sealing device, device is dissection type, including peace
Fill base, the first main card circle, elastic compensating body, the second main card circle, bracket, sealing ring, support ring, transmission snap ring, emergent sealing
Body, regulation ring and gas-flow closure；The mounting seat is set on stern tube shaft, and the first main card circle is provided with the mounting seat,
First main card circle is connected with the second main card circle by elastic compensating body, and the second main card circle is arranged on bracket, the bracket
Outside be fixedly connected with sealing ring, the outside laminating of the sealing ring, which is provided with support ring, the support ring, is connected with biography
Dynamic snap ring；Gas-flow closure is provided with the cavity formed between the mounting seat and stern tube shaft, one end of the gas-flow closure passes through
Trim ring is fixed in mounting seat, and the other end of the gas-flow closure is provided with emergent seal, and the emergent seal includes
Several completely circular structures, each completely circular structure is crowded around to be formed by some sections of circular arcs, and the outer end of the emergent seal is provided with
Regulation ring, the emergent seal can be moved along the axial direction of stern tube shaft under the extruding of regulation ring.
Further, the sealing ring is connected on the outside of bracket by alignment pin.
Further, the air flue that can be used in inflating to gas-flow closure is provided with the mounting seat.
Further, it is provided with splash guard on the bracket.
Further, the emergent seal includes several completely circular structures.
Further, it is connected between the first main card circle and the second main card circle by regulating bolt.
Further, it is provided with adjusting screw in the regulation ring.
The present invention is simple in construction, compact to design, easy to use, assembled in situ can be carried out on naval vessel, and do not need warship
Ship enters on dock to arrange, takes out axle, and abrasion resistance properties are good, the mal-condition such as silt when can preferably adapt to vessel motion, can
Extend the service life of stern shaft seal gland, reduce the sealed frequency of maintenance of ship shaft, extend navigation time of ship, it is adjustable
The emergent seal of section can Reusability, easy to adjust, long lifespan greatly enhances emergency capability during ship navigation, it is ensured that
Naval vessel can continue to keep prolonged navigation in oceangoing voyage after the failure of stern shaft seal main body.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is understructure schematic diagram of the invention.
Reference：Mounting seat 1, the first main card circle 2, elastic compensating body 3, the second main card circle 4, bracket 5, sealing ring 6,
Support ring 7, transmission snap ring 8, emergent seal 9, regulation ring 10, gas-flow closure 11, trim ring 12, regulating bolt 13, alignment pin 14,
Adjusting screw 15, splash guard 16.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As Figure 1-Figure 2, a kind of emergency type stern shaft end surface sealing device, device is dissection type, including mounting seat 1,
First main card circle 2, elastic compensating body 3, the second main card circle 4, bracket 5, sealing ring 6, support ring 7, transmission snap ring 8, emergent sealing
Body 9, regulation ring 10 and gas-flow closure 11；Mounting seat 1 is set on stern tube shaft, and the first main card circle 2 is provided with mounting seat 1,
First main card circle 2 is connected with the second main card circle 4 by elastic compensating body 3, and the second main card circle 4 is arranged on bracket 5, the first main card
Circle 2 be connected between the second main card circle 4 by regulating bolt 13, splash guard 16 is provided with bracket 5, the outside of bracket 5 passes through
Alignment pin 14 is fixedly connected with sealing ring 6, and the outside laminating of sealing ring 6, which is provided with support ring 7, support ring 7, is connected with transmission
Snap ring 8；Gas-flow closure 11 is provided with the cavity formed between mounting seat 1 and stern tube shaft, one end of gas-flow closure 11 passes through trim ring
12 are fixed in mounting seat 1, and the other end of gas-flow closure 11 is provided with emergent seal 9, and seal 9 of meeting an urgent need includes 3-4
Completely circular structure, each completely circular structure crowds around to be formed by some sections of circular arcs, and the outer end of emergent seal 9 is provided with regulation ring 10,
Adjusting screw 15 is provided with regulation ring 10, meet an urgent need seal 9 can under the extruding of regulation ring 10 along stern tube shaft axial direction
It is mobile, the air flue that can be used in inflating to gas-flow closure 11 is provided with mounting seat 1.
Cooling water cavity is formed between the inner chamber of the present invention and stern tube shaft, is provided with what is be connected with cooling water cavity in mounting seat
Cooling-water duct.
Operation principle：
Being inflated by air flue into gas-flow closure body 11 makes its expansion seize to form sealing, can realize in boat maintenance and replacing zero
All parts in part, the present invention are dissection type, are easily installed replacing, convenient and swift without taking out axle.It is urgent when occurring
During situation, the structural member of the device of dissection type should be removed first, and emergent seal 9 is installed in rear regulation, by tightening adjusting screw
15, adjusting screw 15 drives the emergent seal 9 of axial compression of the regulation ring 10 along stern tube shaft to realize sealing function.
Claims (7)
1. a kind of emergency type stern shaft end surface sealing device, it is characterised in that：Device is dissection type, including mounting seat（1）, first
Main card circle（2）, elastic compensating body（3）, the second main card circle（4）, bracket（5）, sealing ring（6）, support ring（7）, transmission snap ring
（8）, emergent seal（9）, regulation ring（10）And gas-flow closure（11）；The mounting seat（1）It is set on stern tube shaft, the peace
Fill base（1）On be provided with the first main card circle（2）, the first main card circle（2）Pass through elastic compensating body（3）It is connected with the second main card circle
（4）, the second main card circle（4）It is arranged on bracket（5）On, the bracket（5）Outside be fixedly connected with sealing ring（6）, institute
State sealing ring（6）Outside laminating be provided with support ring（7）, the support ring（7）On be connected with transmission snap ring（8）；The peace
Fill base（1）Gas-flow closure is provided with the cavity formed between stern tube shaft（11）, the gas-flow closure（11）One end pass through pressure
Circle（12）It is fixed on mounting seat（1）On, the gas-flow closure（11）The other end be provided with emergent seal（9）, it is described to answer
Anxious seal（9）Including several completely circular structures, each completely circular structure crowds around to be formed by some sections of circular arcs, the emergent sealing
Body（9）Outer end be provided with regulation ring（10）, the emergent seal（9）Can be in regulation ring（10）Extruding under along stern tube shaft
Axial direction is moved.
2. emergency type stern shaft end surface sealing device as claimed in claim 1, it is characterised in that：The sealing ring（6）By fixed
Position pin（14）It is connected to bracket（5）Outside.
3. emergency type stern shaft end surface sealing device as claimed in claim 1, it is characterised in that：The mounting seat（1）On set
It is equipped with the air flue that can be used in inflating to gas-flow closure.
4. emergency type stern shaft end surface sealing device as claimed in claim 1, it is characterised in that：The bracket（5）On be provided with
Splash guard（16）.
5. emergency type stern shaft end surface sealing device as claimed in claim 1, it is characterised in that：The emergent seal（9）Bag
Include 3-4 completely circular structure.
6. emergency type stern shaft end surface sealing device as claimed in claim 1, it is characterised in that：The first main card circle（2）With
Second main card circle（4）Between pass through regulating bolt（13）It is connected.
7. emergency type stern shaft end surface sealing device as claimed in claim 1, it is characterised in that：The regulation ring（10）It is upper to set
There is adjusting screw（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710685671.XA CN107255167A (en) | 2017-08-11 | 2017-08-11 | Emergency type stern shaft end surface sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710685671.XA CN107255167A (en) | 2017-08-11 | 2017-08-11 | Emergency type stern shaft end surface sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107255167A true CN107255167A (en) | 2017-10-17 |
Family
ID=60026905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710685671.XA Pending CN107255167A (en) | 2017-08-11 | 2017-08-11 | Emergency type stern shaft end surface sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107255167A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705512A (en) * | 2012-06-18 | 2012-10-03 | 无锡市宏源弹性器材有限公司 | Spraying type sealing device for end surface of propeller shaft of ship |
| CN204459160U (en) * | 2015-02-01 | 2015-07-08 | 东台市远洋船舶配件有限公司 | The multi-sealed stern shaft seal gland of complete section formula |
| CN106321855A (en) * | 2016-10-19 | 2017-01-11 | 无锡市宏源弹性器材有限公司 | Stern shaft sealing device |
| CN207195664U (en) * | 2017-08-11 | 2018-04-06 | 无锡市宏源弹性器材有限公司 | Emergency type stern shaft end surface sealing device |
-
2017
- 2017-08-11 CN CN201710685671.XA patent/CN107255167A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705512A (en) * | 2012-06-18 | 2012-10-03 | 无锡市宏源弹性器材有限公司 | Spraying type sealing device for end surface of propeller shaft of ship |
| CN204459160U (en) * | 2015-02-01 | 2015-07-08 | 东台市远洋船舶配件有限公司 | The multi-sealed stern shaft seal gland of complete section formula |
| CN106321855A (en) * | 2016-10-19 | 2017-01-11 | 无锡市宏源弹性器材有限公司 | Stern shaft sealing device |
| CN207195664U (en) * | 2017-08-11 | 2018-04-06 | 无锡市宏源弹性器材有限公司 | Emergency type stern shaft end surface sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171017 |
|
| RJ01 | Rejection of invention patent application after publication |