CN110094506A - Pressure breathing formula high sealing axial plane connection structure - Google Patents
Pressure breathing formula high sealing axial plane connection structure Download PDFInfo
- Publication number
- CN110094506A CN110094506A CN201910417343.0A CN201910417343A CN110094506A CN 110094506 A CN110094506 A CN 110094506A CN 201910417343 A CN201910417343 A CN 201910417343A CN 110094506 A CN110094506 A CN 110094506A
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- circle
- pressure
- wall
- shaft
- machined
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- 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
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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
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- 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
- F16J15/3448—Pressing means the pressing force resulting from fluid pressure
Abstract
The present invention provides a kind of pressure breathing formula high sealing axial plane connection structure, it includes shell, and shaft is equipped in the side axis hole of the shell, is coaxially equipped with pressure seal between the shaft outer wall and shaft hole inner wall；Design has the outer wall circle of annular on the pressure seal, two or more annular air pressure circles are machined on the inside of the outer wall circle, the section of the air pressure circle is arc-shaped side, the venthole through circle wall is machined on the outer wall circle of adjacent air pressure circle, the high pressure stomata being connected to high-pressure gas circuit is machined on the shell, the high pressure stomata is connected with the venthole, the inner side edge of the two neighboring air pressure circle is axially facing the same side along outer wall circle, and the air pressure circle of adjacent two leads to constitutes high pressure air cavity between the axis hole and shaft.Complicated seal request is concentrated in a pressure seal completing by the structure, enormously simplifies the processing and manufacturing of equipment, thoroughly solves the problems, such as shaft end seal.
Description
Technical field
The present invention relates to axis to assemble water-tight equipment technical field, and in particular to a kind of pressure breathing formula high sealing axial plane connection
Structure.
Background technique
Commonly using to axis connection slewing is used during machinery production, these equipment are come commonly using outside
Axis is deep into enclosure interior by the mode connect, is then connected with functional component in shaft member inside housings, passes through external biography
Dynamic structure drives the rotation of shaft member, and sealing structure is usually needed when axis body is connect with shell, prevent in shell material from axis body and
The link position of shell leaks out.By taking airlock as an example, the shell with cylindrical cavity is usually passed through by horizontal concentric rotation axis,
Rotary shaft one end connecting power device of shell is stretched out, and usually transports some particulate dusts in airlock, in order to guarantee shaft member
It is rotated freely in shell, however it is often difficult to avoid the gap of shaft member and shell link position from occurring, these gap positions are easy will
At this moment dust sucking will make shell and the link position of shaft member generate bigger abrasion, generate bigger abrasion, consume more function
Rate, acceleration equipment damage.There can be the pernicious gas for guaranteeing the quality in the material that especially some airlocks are used to transport, these have
Evil gas is easy to come out by the slot leakage of shaft member and shell communicating position, generates harm to the human body to work in factory.
Summary of the invention
In view of the above problems, the present invention provides a kind of pressure breathing formula high sealing axial plane connection structure, it can pass through to
The mode that enclosure interior is passed through barotropic gas prevents enclosure interior gas from leaking, while sealing element can be compressed and be prevented by barotropic gas
Only extraneous gas enters in the shell of equipment.
The technical solution adopted by the present invention to solve the technical problems is: a kind of pressure breathing formula high sealing axial plane connection knot
Structure, it includes shell, and material chamber is machined in the shell, and the side of the shell is machined with the axis hole of connection enclosure interior, institute
It states and is equipped with shaft in axis hole, the shaft is deep into the enclosure interior, coaxial between the shaft outer wall and shaft hole inner wall
It is equipped with pressure seal；On the pressure seal design have annular outer wall circle, the annular outer wall face of the outer wall circle with
The inner wall of the axis hole seals assembly, is machined with two or more annular air pressure circles, the air pressure on the inside of the outer wall circle
Circle is made of elastic material, and the section of the air pressure circle is arc-shaped side, is machined on the outer wall circle of adjacent air pressure circle through circle
The venthole of wall is machined with the high pressure stomata being connected to high-pressure gas circuit, the high pressure stomata and the venthole on the shell
It is connected, set is inner side edge on the inside of arc section on the air pressure circle on one side, on the air pressure circle on the outside of arc section on one side
Inner side edge for outer side edges, the two neighboring air pressure circle is axially facing the same side, the pressure seal assembly along outer wall circle
When between the axis hole and shaft, for the inner side edge of the air pressure circle towards the intracorporal material chamber of shell, the air pressure circle leans on axial ray
Inside edge compress the outer wall for sealing the rigging position of the shaft, the air pressure circle of adjacent two it is logical with the axis hole and
High pressure air cavity is constituted between shaft.
Preferably, being machined with two air pressure circles on the inside of the outer wall circle.
Preferably, the outer wall circle of the pressure seal is integrally machined molding using identical material with the air pressure circle.
Preferably, the pressure seal is made using polytetrafluoroethylene material.
Preferably, axle sleeve is equipped between the shaft and the pressure seal, the air pressure of the pressure seal
Circle is pressed on the outer surface of the copper-based bearings.
Preferably, being machined with the air drain of annular, the venthole and the high pressure gas on the outer ring surface of the outer wall circle
Hole is connected by the air drain, and the uniformly distributed venthole of more than two relative axis, each ventilation are machined on the outer wall circle
Hole is connected to the air drain of annular respectively.
Preferably, being machined with the seal groove with outer wall circle coaxial annular, the sealing on the outer ring surface of the outer wall circle
O-ring is equipped in slot, the seal groove processing is in outer wall circle close to hull outside.
Preferably, be machined with outwardly directed assembling block on the outer wall of the shell, be machined on the assembling block with
The coaxial pilot hole of the axis hole, the shaft and the pilot hole pass through the rotatable assembly of bearing.
Preferably, the axis hole is machined with the rank to pressure seal limit on the inside of shell material chamber one end
The terraced shaft shoulder, design has fit-up gap between the inside edge and the shaft of the ladder shaft shoulder.
The beneficial effects of the present invention are: this pressure breathing formula high sealing axial plane connection structure, which is mainly used in, needs high property
In the hermetic seal mechanical equipment that can be sealed, in the feeder equipment for needing sealing gas of positive compressed-air system or penetration by force,
Hermetic seal is commonly called as non-contact seals, thus abrasion is small, and maintenance period is long.The more especially highly dense seal structure of pair dust-like feeding
In.
The structure is in a device in use, shaft rotation, the feeding knot assembled by shaft in the enclosure interior
Structure carries out feeding.It is high if the enclosure interior has been passed through high pressure gas at this time when the high pressure stomata is in close state
Body of calming the anger enters axis hole and compresses the air pressure circle to the rotating shaft position, may be implemented to seal well, and even if close to shell
When the air pressure circle gas leakage in internal portion, high pressure gas can also be held out against other air pressure circles, so that the connection structure is with multi-sealed.
And it is ventilated by the venthole of the high pressure stomata and outer wall circle to the high pressure air cavity among two adjacent air pressure circles
When, so that the pressure in the intracavitary portion of high pressure gas is greater than the pressure of material chamber in shell, at this moment high pressure gas will be close to the gas of hull outside
Pressing ring is compressed to the rotating shaft position, and the air pressure circle of the close enclosure interior under the action of high pressure gas air pressure from air pressure circle
The position for being adjacent to shaft outer wall is overflowed, and the material chamber of the enclosure interior is flowed into, and can prevent material intracavity gas from sweeping along in this way
Small particles material enters rotating shaft sealing position, maintains the sealing effect of the shaft and axis hole, simultaneously because having completely cut off shell
The entrance of interior material chamber medium silt material, and the air pressure due to will be close to hull outside by pressed gas in the high pressure air cavity
Circle is held out against, and when the sliding friction position of the air pressure circle is worn, high pressure gas still can be compressed it, and substantially increases sealing
The service life of structure.This mode using outer air pressure can be effectively prevented outside the particle and gas in the intracavitary portion of shell material
Leakage, greatly reduces the intensity of plant maintenance.
Complicated seal request is concentrated in a pressure seal completing by the structure, enormously simplifies the processing of equipment
Manufacture, improved pressure seal, matched workpiece process more simple, volume-diminished, and cost is reduced, and performance mentions
It rises.The manufacturing cost for effectively reducing equipment is conducive to the sealing structure standardization of equipment, modularization.The pressure of this structure
Gasket collection sealing ring, labyrinth bush, outside framework oil seal and one make the intracavitary gassy of high pressure gas make it due to the design of structure
With material side, allow a small amount of gas overflowing, the other side then sealing gas.Air pressure is bigger, and sealing enclasping force is stronger, and sealing can be with
It is adjusted with the size of air pressure；Thoroughly solve the problems, such as shaft end seal.
Detailed description of the invention
Fig. 1 is that pressure breathing formula high sealing axial plane connection structure uses schematic perspective view in a device.
Fig. 2 is that pressure breathing formula high sealing axial plane connection structure uses the schematic diagram of the section structure in a device.
Fig. 3 is the schematic diagram of the section structure that A amplifies to part in Fig. 2.
Fig. 4 is the schematic perspective view of pressure seal.
Fig. 5 is the schematic diagram of the section structure of pressure seal solid.
Fig. 6 is the lateral the schematic diagram of the section structure of pressure seal.
Specific embodiment
Below with reference to embodiment, the present invention is further described:
In the embodiment of Fig. 1-6, in Guan Fengji, it includes for the pressure breathing formula high sealing axial plane connection structure use
Shell 1, material chamber is machined in the shell 1, and the side of the shell 1 is machined with the axis hole 11 of connection enclosure interior, the axis
Shaft 2 is equipped in hole 11, the shaft 2 is deep into inside the shell 1, and in the present embodiment, the centre of the shaft 2 is set
In respect of the feeding structure of Blowing stopper, the both ends of shaft 2 are respectively assembled on the two sides of the shell 1.2 outer wall of shaft and axis
Pressure seal 3 is coaxially equipped between 11 inner wall of hole；Design has the outer wall circle 31 of annular on the pressure seal 3, described
The inner wall of the annular outer wall face of outer wall circle 31 and the axis hole 11, which seals, to be assembled, and the inside of the outer wall circle 31 is machined with two
The air pressure circle 32 of the above annular, the air pressure circle 32 are made of elastic material, and the section of the air pressure circle 32 is arc-shaped side, phase
It is machined with the venthole 33 through circle wall on the outer wall circle of adjacent air pressure circle 32, is machined on the shell 1 and is connected to high-pressure gas circuit
High pressure stomata 12, the high pressure stomata 12 is connected with the venthole 33, sets on the air pressure circle 32 in arc section
Side is inner side edge on one side, is on one side outer side edges on the outside of arc section on the air pressure circle 32, the two neighboring air pressure circle 32
Inner side edge is axially facing the same side along outer wall circle 31, when the pressure seal 3 is assemblied between the axis hole 11 and shaft 2,
The inner side edge of the air pressure circle 32 compresses sealing institute by the inside edge of axial ray towards the material chamber in shell 1, the air pressure circle 32
The outer wall of the rigging position of shaft 2 is stated, the air pressure circle 32 of adjacent two, which leads between the axis hole 11 and shaft 2, to be constituted
High pressure air cavity 6.
This pressure breathing formula high sealing axial plane connection structure, which is mainly used in, needs the hermetic seal machinery of high-performance sealed to set
In standby, in the feeder equipment for needing sealing gas of positive compressed-air system or penetration by force, hermetic seal is commonly called as non-contact close
Envelope, thus abrasion is small, maintenance period is long.More especially in the highly dense seal structure of pair dust-like feeding.
The structure is in a device in use, as the shaft 2 in the present embodiment rotates, by shaft 2 in the shell 1
The feeding structure of mounted inside carries out feeding.At this time when the high pressure stomata is in close state, if inside the shell 1
It is passed through high pressure gas, high pressure gas enters axis hole 11 and compresses the air pressure circle 32 to 1 surface location of shaft, Ke Yishi
Now sealing well.In the present embodiment, as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the inside of Yu Suoshu outer wall circle 31 is machined with
Two air pressure circles 32, when air pressure 32 gas leakage of circle inside shell 1, high pressure gas can also be pushed up another air pressure circle 32
Tightly, so that the connection structure has dual-seal.
And through the venthole 33 of the high pressure stomata 12 and outer wall circle 31 into two adjacent air pressure circles 32
Between high pressure air cavity when being passed through high pressure gas, need the pressure in the intracavitary portion of high pressure gas to be greater than the pressure of material chamber in shell 1, at this moment high pressure
The air pressure circle 32 that gas will be close to 1 outside of shell is compressed to 2 position of shaft, and the air pressure circle inside the close shell 1
32 under the action of high pressure gas air pressure from air pressure circle 32 be adjacent to 2 outer wall of shaft position overflow, be flowed into inside the shell 1
Expect chamber, the small particles material that can prevent material intracavity gas from sweeping along in this way enters 2 sealing station of shaft, maintains the shaft 2
With the sealing effect of axis hole, the entrance of chamber medium silt material is expected simultaneously because having completely cut off in shell 1, and due to passing through the height
The air pressure circle 32 that pressed gas in chamber of calming the anger will be close to 1 outside of shell is held out against, and is ground in the sliding friction position of the air pressure circle 32
When damage, high pressure gas still can be compressed it, and substantially increase the service life of sealing structure.This mode using outer air pressure
Particle and the gas leakage that the intracavitary portion of shell material can be effectively prevented, greatly reduce the intensity of plant maintenance.
Complicated seal request is concentrated in a pressure seal 3 completing by the structure, enormously simplifies adding for equipment
Work manufacture, improved pressure seal, matched workpiece process more simple, volume-diminished, and cost is reduced, performance
It is promoted.The manufacturing cost for effectively reducing equipment is conducive to the sealing structure standardization of equipment, modularization.The pressure of this structure
Power gasket collection sealing ring, labyrinth bush, outside framework oil seal and one, make the intracavitary gassy of high pressure gas due to the design of structure
Itself and material side, allow a small amount of gas overflowing, the other side then sealing gas.Air pressure is bigger, and sealing enclasping force is stronger, and sealing can
It is adjusted with the size with air pressure；Thoroughly solve the problems, such as shaft end seal.
In specific design, the outer wall circle 31 of the pressure seal 3 material one identical as 32 use of air pressure circle
Machine-shaping.The quantity of part is not only greatly reduced in this way, so that assembly enhanced convenience, while being integrally machined and avoiding zero
Gap when assembling between part, sealing effect are more preferable.In the present embodiment, the pressure seal 3 uses polytetrafluoroethylene (PTFE) material
Material is made.Polytetrafluoroethylene (PTFE) has many advantages, such as high temperature resistant, low temperature resistant, corrosion-resistant, high lubrication, does not adhere to, long service life.
In specific design, as shown in Fig. 4, Fig. 5, Fig. 6, axis is equipped between the shaft 2 and the pressure seal 3
Set 4, the air pressure circle 32 of the pressure seal 3 is pressed on the outer surface of the axle sleeve 4.Steel bushing can be used in the axle sleeve 4
Can use copper-based bearings, the use of axle sleeve 4 so that the air pressure circle 32 of the pressure seal 3 do not have to it is directly direct with shaft 2
Contact, shaft 2 can be prevented to be worn in this way, as long as and when axle sleeve 4 abrasion after replaced, easy maintenance, this
Sample can substantially reduce the material requirements of the shaft 2, while the whole service life of equipment is higher.
In design, as shown in Fig. 4, Fig. 5, Fig. 6, the air drain 34 of annular is machined on the outer ring surface of the outer wall circle 31,
The venthole 33 is connected with the high pressure stomata 12 by the air drain 34, is machined with two or more on the outer wall circle 31
The uniformly distributed venthole 33 of relative axis is machined with 6 ventholes 33, respectively in the present embodiment altogether on the outer wall circle 31
A venthole 33 is connected to the air drain 34 of annular respectively.The high pressure gas that the high pressure stomata 12 described in this way is passed through can pass through gas
Slot 34 rapidly and uniformly enters in the high pressure air cavity 6 from each venthole 33, while annular gas tank 34 and multiple ventholes
The blocking of gas circuit can be effectively prevented in 33 design.
In specific design, as shown in Fig. 4, Fig. 5, Fig. 6, it is machined on the outer ring surface of the outer wall circle 31 and outer wall circle 31
The seal groove 35 of coaxial annular is equipped with O-ring in the seal groove 35, and the processing of seal groove 35 is in outer wall circle 31 close to shell
Outside body 1.The installation of the O-ring can be effectively prevented so that outer wall circle 31 and the sealing effect on 11 inner wall of axis hole are more preferable
Gas is leaked out from side, effectively save to use gas.
It is machined with outwardly directed assembling block 5 on the outer wall of the shell 1, is machined on the assembling block 5 and the axis
The coaxial pilot hole 51 in hole 11, the shaft 2 pass through the rotatable assembly of bearing with the pilot hole 51.The assembling block 5 is set
Meter can make the assembly that 3 positions are padded in high pressure sealing between 1 wall of shaft 2 and the shell not influenced by twisting power, and stress is more
The abrasion of equilibrium, the high pressure sealing pad position is lower.The whole service life of equipment is higher.The axis hole 11 is close to shell 1
The ladder shaft shoulder 13 to the pressure seal 3 limit, the inside edge of the ladder shaft shoulder 13 are machined on the inside of material chamber one end
Design has fit-up gap between the shaft 2.The design of the ladder shaft shoulder 13 not only makes the assembly of pressure seal 3 more
The convenience added, while making 1 internal cavity of shell and the contact area of installation 3 position of pressure seal smaller, exist in this way
When being passed through high pressure gas in the high pressure air cavity 6, the high pressure tolerance of consumption is less.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of pressure breathing formula high sealing axial plane connection structure, it includes shell (1), is machined with material chamber in the shell (1),
The side of the shell (1) is machined with the axis hole (11) of connection enclosure interior, is equipped with shaft (2), institute in the axis hole (11)
It states shaft (2) and is deep into the shell (1) inside, be coaxially equipped with pressure between shaft (2) outer wall and axis hole (11) inner wall
Power gasket (3)；It is characterized by: design has the outer wall circle (31) of annular, the outer wall circle on the pressure seal (3)
(31) inner wall in annular outer wall face and the axis hole (11), which seals, to be assembled, and is machined with two on the inside of the outer wall circle (31)
The air pressure circle (32) of the above annular, the air pressure circle (32) are made of elastic material, and the section of the air pressure circle (32) is arc
Shape side is machined with the venthole (33) through circle wall on the outer wall circle of adjacent air pressure circle (32), be machined on the shell (1) with
The high pressure stomata (12) of high-pressure gas circuit connection, the high pressure stomata (12) are connected with the venthole (33), set the gas
On one side it is inner side edge on the inside of arc section on pressing ring (32), is on one side outer side edges on the outside of arc section on the air pressure circle (32),
The inner side edge of the two neighboring air pressure circle (32) is axially facing the same side, pressure seal (3) dress along outer wall circle (31)
When fitting between the axis hole (11) and shaft (2), the inner side edge of the air pressure circle (32) is towards the material chamber in shell (1), institute
It states air pressure circle (32) and compresses the outer wall for sealing the rigging position of the shaft (2), two adjacent institutes by the inside edge of axial ray
It states air pressure circle (32) and leads to composition high pressure air cavity (6) between the axis hole (11) and shaft (2).
2. pressure breathing formula high sealing axial plane connection structure according to claim 1, it is characterised in that: the outer wall circle
(31) two air pressure circles (32) are machined on the inside of.
3. pressure breathing formula high sealing axial plane connection structure according to claim 1 or 2, it is characterised in that: the pressure
The outer wall circle (31) of gasket (3) material identical as air pressure circle (32) use is integrally machined molding.
4. pressure breathing formula high sealing axial plane connection structure according to claim 3, it is characterised in that: the pressure seal
Pad (3) is made using polytetrafluoroethylene material.
5. pressure breathing formula high sealing axial plane connection structure according to claim 1, it is characterised in that: the shaft (2)
It is equipped between the pressure seal (3) axle sleeve (4), the air pressure circle (32) of the pressure seal (3) is pressed on described
The outer surface of copper-based bearings (4).
6. pressure breathing formula high sealing axial plane connection structure according to claim 1, it is characterised in that: the outer wall circle
(31) air drain (34) of annular is machined on outer ring surface, the venthole (33) and the high pressure stomata (12) pass through the gas
Slot (34) is connected, and is machined with the uniformly distributed venthole of more than two relative axis (33), each ventilation on the outer wall circle (31)
Hole (33) is connected to the air drain (34) of annular respectively.
7. pressure breathing formula high sealing axial plane connection structure according to claim 1, it is characterised in that: the outer wall circle
(31) it is machined with the seal groove (35) with outer wall circle (31) coaxial annular on outer ring surface, is equipped with O in the seal groove (35)
Type circle, seal groove (35) processing are external close to shell (1) in outer wall circle (31).
8. pressure breathing formula high sealing axial plane connection structure according to claim 1, it is characterised in that: the shell (1)
Outer wall on be machined with outwardly directed assembling block (5), be machined with the dress coaxial with the axis hole (11) on the assembling block (5)
Distribution (51), the shaft (2) and the pilot hole (51) are by the rotatable assembly of bearing, and the axis hole (11) is close to shell
(1) expect to be machined with the ladder shaft shoulder (13) to the pressure seal (3) limit, the ladder shaft shoulder (13) on the inside of chamber one end
Inside edge and the shaft (2) between design have fit-up gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417343.0A CN110094506B (en) | 2019-05-20 | 2019-05-20 | Pressure air inlet type high-sealing shaft surface connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417343.0A CN110094506B (en) | 2019-05-20 | 2019-05-20 | Pressure air inlet type high-sealing shaft surface connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110094506A true CN110094506A (en) | 2019-08-06 |
| CN110094506B CN110094506B (en) | 2021-03-02 |
Family
ID=67448547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417343.0A Active CN110094506B (en) | 2019-05-20 | 2019-05-20 | Pressure air inlet type high-sealing shaft surface connecting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN110094506B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953347A (en) * | 2019-12-30 | 2020-04-03 | 江苏江达机械制造有限公司 | Air sealing device for head of belt conveyor |
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|---|---|---|---|---|
| CN1037026A (en) * | 1988-03-25 | 1989-11-08 | 阿莫利公司 | The sealing of rotating shaft |
| JPH08285089A (en) * | 1996-04-09 | 1996-11-01 | Kobelco Marine Eng:Kk | Pressure regulating method for stern tube sealing device |
| CN101360938A (en) * | 2005-11-15 | 2009-02-04 | 阿什布里奇&罗斯布勒公司 | Sequentially-deployable lip seal systems |
| AU2010201247A1 (en) * | 2010-02-12 | 2011-08-25 | Mitsubishi Heavy Industries, Ltd. | Wind turbine generator |
| CN103328325A (en) * | 2010-12-02 | 2013-09-25 | Abb有限公司 | Seal arrangement for a propeller shaft and method for sealing a propeller shaft |
| CN107207084A (en) * | 2016-01-15 | 2017-09-26 | 瓦锡兰日本有限公司 | Stern tube sealing system, stern tube sealing device, ship and stern tube encapsulating method |
-
2019
- 2019-05-20 CN CN201910417343.0A patent/CN110094506B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037026A (en) * | 1988-03-25 | 1989-11-08 | 阿莫利公司 | The sealing of rotating shaft |
| JPH08285089A (en) * | 1996-04-09 | 1996-11-01 | Kobelco Marine Eng:Kk | Pressure regulating method for stern tube sealing device |
| CN101360938A (en) * | 2005-11-15 | 2009-02-04 | 阿什布里奇&罗斯布勒公司 | Sequentially-deployable lip seal systems |
| AU2010201247A1 (en) * | 2010-02-12 | 2011-08-25 | Mitsubishi Heavy Industries, Ltd. | Wind turbine generator |
| CN103328325A (en) * | 2010-12-02 | 2013-09-25 | Abb有限公司 | Seal arrangement for a propeller shaft and method for sealing a propeller shaft |
| CN107207084A (en) * | 2016-01-15 | 2017-09-26 | 瓦锡兰日本有限公司 | Stern tube sealing system, stern tube sealing device, ship and stern tube encapsulating method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953347A (en) * | 2019-12-30 | 2020-04-03 | 江苏江达机械制造有限公司 | Air sealing device for head of belt conveyor |
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| CN110094506B (en) | 2021-03-02 |
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