CN105782452B - A kind of stern shaft seal structure for PODDED PROPULSOR - Google Patents
A kind of stern shaft seal structure for PODDED PROPULSOR Download PDFInfo
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- CN105782452B CN105782452B CN201610195099.4A CN201610195099A CN105782452B CN 105782452 B CN105782452 B CN 105782452B CN 201610195099 A CN201610195099 A CN 201610195099A CN 105782452 B CN105782452 B CN 105782452B
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- Prior art keywords
- sealing ring
- seal receptacle
- sealing
- seal
- outward flange
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Classifications
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- 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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- 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses a kind of stern shaft seal structure for PODDED PROPULSOR, belong to marine machinery field.The sealing structure includes:First seal receptacle, second seal receptacle and outward flange, first seal receptacle, second seal receptacle and outward flange plate are sequentially sleeved on the stern tube shaft of PODDED PROPULSOR respectively, the end face of first seal receptacle is fixedly mounted on the housing of PODDED PROPULSOR, the internal perisporium of first seal receptacle is provided with the first sealing ring, the other end of the end face of second seal receptacle and the first seal receptacle offsets, the second sealing ring and the 3rd sealing ring are interval with the internal perisporium of second seal receptacle, second sealing ring is between the first sealing ring and the 3rd sealing ring, garland is provided between first sealing ring and the second sealing ring, garland connects with the sewage disposal system of PODDED PROPULSOR, the other end of second seal receptacle and the end face of outward flange offset.The present invention solves the problems, such as that the junction between stern tube shaft and housing is easily seeped water.
Description
Technical field
The invention belongs to marine machinery field, more particularly to a kind of stern shaft seal structure for PODDED PROPULSOR.
Background technology
PODDED PROPULSOR is a kind of new propeller, and it mainly includes housing, power set and propeller, power set
In housing, propeller is inserted into housing by stern tube shaft and is connected with power set.Due to stern tube shaft and housing it
Between gap be present, so the gap location between stern tube shaft and housing is very easy to infiltration, and then the power set in housing are caused
Harmful effect.In order to solve the above problems, stern shaft seal structure, common stern tube shaft generally are set in the junction of housing and stern tube shaft
Sealing structure generally includes seal receptacle and axial elasticity seal assembly, and seal receptacle and axial elasticity seal assembly are set in stern
On axle, the end face of seal receptacle is fixedly mounted on the housing of PODDED PROPULSOR, and it is close that lip is provided with the internal perisporium of seal receptacle
Seal, axial elasticity seal assembly are located at the other end of seal receptacle, for carrying out end face seal to seal receptacle.Due to axial elasticity
Seal assembly it is complicated, cost is higher, and axial elasticity seal assembly is to carry out axial seal to the end face of seal receptacle,
So once the end face of seal receptacle is beated, will be easy to produce leakage accident, reliability is poor.
The content of the invention
In order to solve the problems, such as that existing sealing structure reliability is poor, pushed away the embodiments of the invention provide one kind for gondola
Enter the stern shaft seal structure of device.The technical scheme is as follows:
The embodiments of the invention provide a kind of stern shaft seal structure for PODDED PROPULSOR, the sealing structure includes:
First seal receptacle, the second seal receptacle and outward flange, first seal receptacle, second seal receptacle and the outward flange respectively according to
It is secondary to be set on the stern tube shaft of PODDED PROPULSOR, first seal receptacle, second seal receptacle and the outward flange with it is described
Stern tube shaft is coaxially arranged, and the end face of first seal receptacle is fixedly mounted on the housing of PODDED PROPULSOR, first sealing
The internal perisporium of seat is provided with the first sealing ring, and first sealing ring is folded between first seal receptacle and the stern tube shaft,
The lip of first sealing ring arranges backwards to the housing, the end face of second seal receptacle and first seal receptacle
Other end offsets, and is interval with the second sealing ring and the 3rd sealing ring on the internal perisporium of second seal receptacle, and described second
Sealing ring and the 3rd sealing ring are folded between second seal receptacle and the stern tube shaft respectively, the second sealing ring position
Between first sealing ring and the 3rd sealing ring, the lip of second sealing ring is arranged towards the housing, institute
State and garland is provided between the first sealing ring and second sealing ring, the garland and the PODDED PROPULSOR
Sewage disposal system connection, the lip of the 3rd sealing ring arranges backwards to the housing, second seal receptacle it is another
End face and the end face of the outward flange are offseted, and bolt is fitted with the outward flange, and the bolt is another from the outward flange
End face sequentially passes through the outward flange and the second seal receptacle and second seal receptacle and the outward flange is fitted in into institute successively
State on the first seal receptacle, be additionally provided with the 4th sealing ring on the internal perisporium of first seal receptacle, the 4th sealing ring with it is described
First sealing ring arranged for interval and the 4th sealing ring is between the housing and first sealing ring, the described 4th is close
Seal is between first seal receptacle and the stern tube shaft, and the lip of the 4th sealing ring is arranged backwards to the housing, institute
State and the first oil leab is provided with the first seal receptacle, the port of export of first oil leab and first sealing ring and described
Gap connection between 4th sealing ring, the arrival end of first oil leab promote through the housing and with the gondola
The lubricating system connection of device, is provided with the second oil leab in second seal receptacle, the port of export of second oil leab and
Gap connection between second sealing ring and the 3rd sealing ring, the arrival end of second oil leab sequentially pass through
First seal receptacle and the housing and connected with the lubricating system.
In another implementation of the present invention, the lateral wall of second seal receptacle is provided with the first peep hole, institute
State the first peep hole to connect with second oil leab, be fitted with first peep hole for blocking first observation
The sealing screw in hole.
In another implementation of the present invention, the second peep hole is additionally provided with the lateral wall of second seal receptacle,
Second peep hole connects with the garland, is also fitted with second peep hole and is seen for blocking described second
Examine the sealing screw in hole.
In another implementation of the present invention, the sealing structure also includes the 3rd seal receptacle, the 3rd sealing
Seat is coaxially set on the stern tube shaft and between second seal receptacle and the outward flange, and the 3rd seal receptacle passes through
The bolt is commonly mounted on the housing with second seal receptacle and the outward flange, the inner circumferential of the 3rd seal receptacle
Wall is provided with the 5th sealing ring, and the 5th sealing ring is folded between the 3rd seal receptacle and the stern tube shaft, and the described 5th
The lip of sealing ring is arranged backwards to the housing.
In another implementation of the present invention, first sealing ring, second sealing ring, the 3rd sealing
Circle, the 4th sealing ring and the 5th sealing ring are spring sealed circle.
In another implementation of the present invention, the sealing structure also includes axle sleeve, the axle sleeve coaxial package institute
State outside stern tube shaft, first seal receptacle, second seal receptacle, the 3rd seal receptacle and the outward flange pass through the axle
Set is rotatably sleeved on outside the stern tube shaft, first seal receptacle, second seal receptacle, the 3rd seal receptacle and described
Periphery wall of the internal perisporium of outward flange with the axle sleeve matches.
In another implementation of the present invention, one end of the axle sleeve is coaxially provided with installing plate, with the stern tube shaft mistake
The propeller of cooperation of being full of is fixedly mounted on the axle sleeve by the installing plate.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:
By configuring the first seal receptacle, the second seal receptacle and outward flange, the first seal receptacle, the second sealing in sealing structure
Seat and outward flange are sequentially sleeved on stern tube shaft respectively, and the end face of the first seal receptacle is fixedly mounted on the housing of PODDED PROPULSOR
On, the other end of the end face of the second seal receptacle and the first seal receptacle offsets, and is fitted with bolt on outward flange, and bolt is from outer method
Blue other end sequentially passes through outward flange and the second seal receptacle and outward flange are commonly mounted on the first sealing by the second seal receptacle
On seat, the internal perisporium of the first seal receptacle is provided with the first sealing ring, and the lip of the first sealing ring is arranged backwards to housing, the second sealing
The second sealing ring and the 3rd sealing ring are interval with the internal perisporium of seat, the second sealing ring is located at the first sealing ring and the 3rd sealing
Between circle, the lip of the second sealing ring is arranged towards housing, and the lip of the 3rd sealing ring is arranged backwards to housing, so that first
Seal receptacle and the second seal receptacle play a part of the junction of seal casinghousing and stern tube shaft.It is also, close in the first sealing ring and second
Garland is additionally provided between seal, garland connects with the sewage disposal system of PODDED PROPULSOR, so that from
The sewage come is leaked into outside 3rd sealing ring can flow to sewage disposal system from garland, to avoid sewage from infiltering housing
It is interior.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the sectional view of sealing structure provided in an embodiment of the present invention;
Each symbol represents that implication is as follows in figure:
The seal receptacles of 1- first, the oil leabs of 11- first, 12- sealing gaskets, the seal receptacles of 2- second, the oil leabs of 21- second,
22- sealing screws, 23- sealing screws, the seal receptacles of 3- the 3rd, 4- outward flanges, 41- bolts, the sealing rings of 51- first, 52- second are close
Seal, the sealing rings of 53- the 3rd, the sealing rings of 54- the 4th, the sealing rings of 55- the 5th, 6- stern tube shafts, 7- housings, 8- garlands, 9-
Axle sleeve, 91- installing plates, 10- propellers.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
A kind of stern shaft seal structure for PODDED PROPULSOR provided in an embodiment of the present invention, as shown in figure 1, the sealing knot
Structure includes:First seal receptacle 1, the second seal receptacle 2 and outward flange 4, the first seal receptacle 1, the second seal receptacle 2 and outward flange 4 are distinguished
Be sequentially sleeved on the stern tube shaft 6 of PODDED PROPULSOR, the first seal receptacle 1, the second seal receptacle 2 and outward flange 4 with 6 coaxial cloth of stern tube shaft
Put, the end face of the first seal receptacle 1 is fixedly mounted on the housing 7 of PODDED PROPULSOR, and the internal perisporium of the first seal receptacle 1 is provided with
First sealing ring 51, the first sealing ring 51 are folded between the first seal receptacle 1 and stern tube shaft 6, and the lip of the first sealing ring 51 is backwards
Housing 7 arranges that the other end of the end face of the second seal receptacle 2 and the first seal receptacle 1 offsets, the internal perisporium of the second seal receptacle 2
On be interval with the second sealing ring 52 and the 3rd sealing ring 53, the second sealing ring 52 and the 3rd sealing ring 53 are folded in second respectively
Between seal receptacle 2 and stern tube shaft 6, the second sealing ring 52 is between the first sealing ring 51 and the 3rd sealing ring 53, the second sealing ring
52 lip is arranged towards housing 7, and garland 8, annular draining are provided between the first sealing ring 51 and the second sealing ring 52
Groove 8 is connected with the sewage disposal system (not shown) of PODDED PROPULSOR, and the lip of the 3rd sealing ring 53 is arranged backwards to housing 7, the
The other end of two seal receptacles 2 and the end face of outward flange 4 offset, and are fitted with bolt 41 on outward flange 4, and bolt 41 is from outward flange
4 other end sequentially passes through the seal receptacle 2 of outward flange 4 and second, and that second seal receptacle 2 and outward flange 4 are fitted in into first successively is close
Seal on seat 1.
The present embodiment in sealing structure by configuring the first seal receptacle 1, the second seal receptacle 2 and outward flange 4, the first sealing
The 1, second seal receptacle 2 of seat and outward flange 4 are sequentially sleeved on stern tube shaft 6 respectively, and the end face of the first seal receptacle 1, which is fixedly mounted on, to be hung
On the housing 7 of cabin propeller, the other end of the end face of the second seal receptacle 2 and the first seal receptacle 1 offsets, and is inserted on outward flange 4
Equipped with bolt, bolt sequentially passes through the seal receptacle 2 of outward flange 4 and second by the second seal receptacle 2 and outer from the other end of outward flange 4
Flange 4 is commonly mounted on the first seal receptacle 1, and the internal perisporium of the first seal receptacle 1 is provided with the first sealing ring 51, the first sealing ring
51 lip is arranged backwards to housing 7, and the second sealing ring 52 and the 3rd sealing ring are interval with the internal perisporium of the second seal receptacle 2
53, the second sealing ring 52 is between the first sealing ring 51 and the 3rd sealing ring 53, and the lip of the second sealing ring 52 is towards housing 7
Arrangement, the lip of the 3rd sealing ring 53 is arranged backwards to housing 7, so that the first seal receptacle 1 and the second seal receptacle 2 play sealing
Housing 7 and the effect of the junction of stern tube shaft 6;Also, it is additionally provided with annular row between the first sealing ring 51 and the second sealing ring 52
Tank 8, garland 8 connect with the sewage disposal system of PODDED PROPULSOR, so that from 53 outer seepage of the 3rd sealing ring
The sewage come in can flow to sewage disposal system from garland 8, to avoid sewage from infiltering in housing 7.
Alternatively, sealing gasket 12 is provided with the contact surface of the seal receptacle 1 of housing 7 and first, so as to avoid seawater from shell
Penetrated between the seal receptacle 1 of body 7 and first.
In the present embodiment, the 4th sealing ring 54, the 4th sealing ring 54 and are additionally provided with the internal perisporium of the first seal receptacle 1
The arranged for interval of one sealing ring 51 and the 4th sealing ring 54 are located between the sealing ring 51 of housing 7 and first, and the 4th sealing ring 54 is located at
Between first seal receptacle 1 and stern tube shaft 6, the lip of the 4th sealing ring 54 is arranged backwards to housing 7, so as to further improve first
The sealing effectiveness of seal 11.
Specifically, it is provided with the first oil leab 11 in the first seal receptacle 1, the port of export of the first oil leab 11 and first close
Gap connection between the sealing ring 54 of seal 51 and the 4th, the arrival end of the first oil leab 11 push away through housing 7 and with gondola
Enter the lubricating system (not shown) connection of device, so that lubricating system can be lasting to first by the first oil leab 11
Lubricant grease is provided between the sealing ring 54 of sealing ring 51 and the 4th, and then in the first sealing ring 51, the 4th sealing ring 54 and stern tube shaft 6
Between form oil film, with avoid between the first sealing ring 51, the 4th sealing ring 54 and stern tube shaft 6 produce abrasion, it is close to improve first
The service life of the sealing ring 54 of seal 51 and the 4th.In above-mentioned implementation, because the lip of the 4th sealing ring 54 is towards the
One sealing ring 51 is arranged, so the 4th sealing ring 54 can also play a part of avoiding lubricating oil from penetrating into housing 7.
Specifically, it is provided with the second oil leab 21 in the second seal receptacle 2, the port of export of the second oil leab 21 and second close
Gap connection between the sealing ring 53 of seal 52 and the 3rd, the arrival end of the second oil leab 21 sequentially pass through the first seal receptacle 1
With housing 7 and connected with lubricating system so that lubricating system can be lasting close to second by the second oil leab 21
There is provided lubricant grease between the sealing ring 53 of seal 52 and the 3rd, so as to the second sealing ring 52, the 3rd sealing ring 53 and stern tube shaft 6 it
Between form oil film, with avoid between the second sealing ring 52, the 3rd sealing ring 53 and stern tube shaft 6 produce abrasion, improve the second sealing
The service life of the sealing ring 53 of circle 52 and the 3rd.What deserves to be explained is the first oil leab 11 and the second oil leab 21 need
It is staggeredly arranged, to avoid between part that the second oil leab 21 is located in the first seal receptacle 1 and the first oil leab 11
Produce interference.
Preferably, the lateral wall of the second seal receptacle 2 is provided with the first peep hole, the first peep hole and the second oil leab 21
Connect, the sealing screw 22 for blocking the first peep hole is fitted with the first peep hole.In PODDED PROPULSOR normal operation
When, sealing screw 22 is tightened to be blocked to the first peep hole, whether there is needing to observe in the second oil leab 21
During lubricating oil, sealing screw 22 can be dismantled to check the second oil leab.
Likewise, the second peep hole is additionally provided with the lateral wall of the second seal receptacle 2, the second peep hole and garland 8
Connect, the sealing screw 23 for blocking the second peep hole is fitted with the second peep hole.In PODDED PROPULSOR normal operation
When, sealing screw 23 is tightened to be blocked to the second peep hole, whether there is sump oil needing to observe in garland 8
When, sealing screw 23 can be dismantled to check garland 8.
In the present embodiment, sealing structure also includes the 3rd seal receptacle 3, the 3rd seal receptacle 3 be coaxially set on stern tube shaft 6 and
Between the second seal receptacle 2 and outward flange 4, the 3rd seal receptacle 3 is common by bolt 41 and the second seal receptacle 2 and outward flange 4
On housing 7, the internal perisporium of the 3rd seal receptacle 3 is provided with the 5th sealing ring 55, and it is close that the 5th sealing ring 55 is folded in the 3rd
Seal between seat 3 and stern tube shaft 6, the lip of the 5th sealing ring 55 is arranged backwards to housing 7, to avoid the water of outside from the 3rd seal receptacle 3
Place is penetrated into, and further enhances the sealing effectiveness of sealing structure.
Preferably, the first sealing ring 51, the second sealing ring 52, the 3rd sealing ring 53, the 4th sealing ring 54 and the 5th sealing
Circle 55 is spring sealed circle, to ensure the first sealing ring 51, the second sealing ring 52, the 3rd sealing ring 53, the 4th sealing ring 54
With the sealing effectiveness of the 5th sealing ring 55.
Specifically, sealing structure also includes axle sleeve 9, outside the coaxial package stern tube shaft 6 of axle sleeve 9, the sealing of the first seal receptacle 1, second
The 2, the 3rd seal receptacle 3 of seat and outward flange 4 are rotatably sleeved on outside stern tube shaft 6 by axle sleeve 9, the sealing of the first seal receptacle 1, second
Periphery wall of the internal perisporium of the 2, the 3rd seal receptacle 3 of seat and outward flange 4 with axle sleeve 9 matches.Axle sleeve 9 is arranged on stern tube shaft 6 can
To avoid stern tube shaft 6 from directly producing friction with sealing structure, the effect of protection stern tube shaft 6 is served.In addition, axle sleeve 9 can also reduce
The caused bounce when rotated of stern tube shaft 6, so as to improve the performance of sealing structure.Accordingly, the first sealing ring 51, second is close
Seal 52, the 3rd sealing ring 53, the 4th sealing ring 54 and the 5th sealing ring 55 are accordingly sleeved on the outer wall of axle sleeve 9.
Specifically, one end of axle sleeve 9 is coaxially provided with installing plate 91, and the propeller 10 being interference fitted with stern tube shaft 6 passes through installation
Plate 91 is fixedly mounted on axle sleeve 9, to play a part of stern tube shaft 6 together with the location and installation of axle sleeve 9.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
1. a kind of stern shaft seal structure for PODDED PROPULSOR, it is characterised in that the sealing structure includes:First sealing
Seat, the second seal receptacle and outward flange, first seal receptacle, second seal receptacle and the outward flange are sequentially sleeved at respectively
On the stern tube shaft of PODDED PROPULSOR, first seal receptacle, second seal receptacle and the outward flange are coaxial with the stern tube shaft
Arrangement, the end face of first seal receptacle are fixedly mounted on the housing of PODDED PROPULSOR, the inner circumferential of first seal receptacle
Wall is provided with the first sealing ring, and first sealing ring is folded between first seal receptacle and the stern tube shaft, and described first
The lip of sealing ring arranges backwards to the housing, the other end of the end face of second seal receptacle and first seal receptacle
Offset, be interval with the second sealing ring and the 3rd sealing ring on the internal perisporium of second seal receptacle, second sealing ring and
3rd sealing ring is folded between second seal receptacle and the stern tube shaft respectively, and second sealing ring is positioned at described the
Between one sealing ring and the 3rd sealing ring, the lip of second sealing ring is arranged towards the housing, and described first is close
Be provided with garland between seal and second sealing ring, the garland with the sewage of the PODDED PROPULSOR
System connectivity is managed, the lip of the 3rd sealing ring is arranged backwards to the housing, the other end of second seal receptacle and institute
The end face for stating outward flange offsets, and is fitted with bolt on the outward flange, the bolt from the other end of the outward flange according to
It is secondary that through the outward flange and the second seal receptacle second seal receptacle and the outward flange to be fitted in into described first successively close
Seal on seat, the 4th sealing ring, the 4th sealing ring and the described first sealing are additionally provided with the internal perisporium of first seal receptacle
Enclose arranged for interval and the 4th sealing ring is between the housing and first sealing ring, the 4th sealing ring is located at
Between first seal receptacle and the stern tube shaft, the lip of the 4th sealing ring is arranged backwards to the housing, and described first is close
The first oil leab, the port of export of first oil leab and first sealing ring and the 4th sealing are provided with envelope seat
Gap connection between circle, the arrival end of first oil leab through the housing and with the lubrication of the PODDED PROPULSOR
System connectivity, second seal receptacle is interior to be provided with the second oil leab, the port of export of second oil leab and described second
Gap connection between sealing ring and the 3rd sealing ring, the arrival end of second oil leab sequentially pass through described first
Seal receptacle and the housing and connected with the lubricating system.
2. sealing structure according to claim 1, it is characterised in that the lateral wall of second seal receptacle is provided with first
Peep hole, first peep hole connect with second oil leab, are fitted with first peep hole for blocking institute
State the sealing screw of the first peep hole.
3. sealing structure according to claim 2, it is characterised in that is additionally provided with the lateral wall of second seal receptacle
Two peep holes, second peep hole connect with the garland, are also fitted with second peep hole for blocking
The sealing screw of second peep hole.
4. sealing structure according to claim 1, it is characterised in that the sealing structure also includes the 3rd seal receptacle, institute
State the 3rd seal receptacle to be coaxially set on the stern tube shaft and between second seal receptacle and the outward flange, the described 3rd
Seal receptacle is commonly mounted on the housing by the bolt and second seal receptacle and the outward flange, and the described 3rd is close
The internal perisporium of envelope seat is provided with the 5th sealing ring, the 5th sealing ring be folded in the 3rd seal receptacle and the stern tube shaft it
Between, the lip of the 5th sealing ring is arranged backwards to the housing.
5. sealing structure according to claim 4, it is characterised in that first sealing ring, second sealing ring, institute
It is spring sealed circle to state the 3rd sealing ring, the 4th sealing ring and the 5th sealing ring.
6. sealing structure according to claim 4, it is characterised in that the sealing structure also includes axle sleeve, the axle sleeve
Described in coaxial package outside stern tube shaft, first seal receptacle, second seal receptacle, the 3rd seal receptacle and the outward flange are equal
It is rotatably sleeved on by the axle sleeve outside the stern tube shaft, it is first seal receptacle, second seal receptacle, the described 3rd close
Periphery wall of the internal perisporium of envelope seat and the outward flange with the axle sleeve matches.
7. sealing structure according to claim 6, it is characterised in that one end of the axle sleeve is coaxially provided with installing plate, with
The propeller of the stern tube shaft interference fit is fixedly mounted on the axle sleeve by the installing plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610195099.4A CN105782452B (en) | 2016-03-31 | 2016-03-31 | A kind of stern shaft seal structure for PODDED PROPULSOR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610195099.4A CN105782452B (en) | 2016-03-31 | 2016-03-31 | A kind of stern shaft seal structure for PODDED PROPULSOR |
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CN105782452A CN105782452A (en) | 2016-07-20 |
CN105782452B true CN105782452B (en) | 2017-12-29 |
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CN201610195099.4A Active CN105782452B (en) | 2016-03-31 | 2016-03-31 | A kind of stern shaft seal structure for PODDED PROPULSOR |
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Families Citing this family (2)
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CN107764485B (en) * | 2017-08-30 | 2019-10-18 | 武汉船用机械有限责任公司 | A kind of full-rotating rudder paddle dynamic sealing experimental rig |
CN109723822B (en) * | 2019-01-08 | 2020-11-17 | 武汉船用机械有限责任公司 | Sliding sealing device for propeller |
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CN103140420A (en) * | 2010-09-29 | 2013-06-05 | 瓦锡兰芬兰有限公司 | An arrangement, a sealing assembly, a casing flange and a spacer for sealing the propeller shaft of a marine vessel |
CN103835862A (en) * | 2014-03-07 | 2014-06-04 | 国电联合动力技术有限公司 | Underwater sealing system, tidal power generation set applying same and applying method |
CN105189285A (en) * | 2013-03-27 | 2015-12-23 | 三菱重工业株式会社 | Stern pipe seal device |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4174672A (en) * | 1976-12-20 | 1979-11-20 | Cox James H | Ship's propeller shaft sealing assembly |
EP1256518A2 (en) * | 2001-05-11 | 2002-11-13 | Eagle Industry Co., Ltd. | Stern tube shaft sealing apparatus |
CN201517611U (en) * | 2009-10-12 | 2010-06-30 | 东台市远洋船舶配件有限公司 | Novel oil lubricating stern shaft sealing device |
CN103140420A (en) * | 2010-09-29 | 2013-06-05 | 瓦锡兰芬兰有限公司 | An arrangement, a sealing assembly, a casing flange and a spacer for sealing the propeller shaft of a marine vessel |
CN105189285A (en) * | 2013-03-27 | 2015-12-23 | 三菱重工业株式会社 | Stern pipe seal device |
CN103835862A (en) * | 2014-03-07 | 2014-06-04 | 国电联合动力技术有限公司 | Underwater sealing system, tidal power generation set applying same and applying method |
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CN105782452A (en) | 2016-07-20 |
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