CN111720548A - Synchronous abutting type sealing device for ship - Google Patents
Synchronous abutting type sealing device for ship Download PDFInfo
- Publication number
- CN111720548A CN111720548A CN202010570797.4A CN202010570797A CN111720548A CN 111720548 A CN111720548 A CN 111720548A CN 202010570797 A CN202010570797 A CN 202010570797A CN 111720548 A CN111720548 A CN 111720548A
- Authority
- CN
- China
- Prior art keywords
- ring
- gland
- connecting plate
- internal thread
- abutting
- 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.)
- Withdrawn
Links
Images
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
-
- 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
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
-
- 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
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a synchronous pressing type marine sealing device which comprises a connecting plate, a pressing cover, a stern shaft, a synchronous extrusion mechanism and an internal annular sealing element, wherein the pressing cover is arranged on the connecting plate; the synchronous extrusion mechanism can be driven along with the sealing connection of the gland and the connecting plate, the extrusion effect of the synchronous extrusion mechanism on the internal annular sealing element is realized, the driving is convenient, and the operation is rapid.
Description
Technical Field
The invention relates to a synchronous abutting type sealing device for a ship.
Background
The tail shaft is also called tail shaft. The tail shaft is the last section of shaft in the shaft system, and the flange at the head end is connected with the flange of the middle shaft by a close-fitting bolt; the tail end of the propeller is in a cone shape and is used for installing a propeller. The stern shaft is forged by high-quality carbon steel. At present, in the marine industry, in order to prevent seawater and lake water from permeating into a hull along a stern shaft tube, the stern shaft must be strictly sealed to ensure the safety of the ship, the existing sealing device for the stern shaft generally comprises a connecting plate, a gland, the stern shaft, a sealing ring and an extrusion mechanism, the sealing ring is extruded by the extrusion mechanism and then is matched and connected, but the arranged extrusion mechanism generally needs to be secondarily sealed and fixed through an external bolt and a sealing ring, the more the gaps are sealed, the higher the leakage probability is, the invention develops a device which can drive the extrusion structure along with the sealing connection of the gland and the connecting plate, synchronously realize the extrusion effect of the extrusion mechanism, simultaneously, the extruding mechanism does not need an additional sealing ring to carry out secondary sealing, so that the leakage risk is greatly reduced, and meanwhile, the sealing performance is greatly improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the utility model provides a can drive synchronous extrusion mechanism along with gland and connecting plate sealing connection in, realize synchronous extrusion mechanism's extrusion effect, synchronous extrusion mechanism does not need extra sealing washer to carry out secondary seal simultaneously, very big improvement the leakproofness.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a synchronous abutting type marine sealing device comprises a connecting plate, a gland, a stern shaft, a synchronous extrusion mechanism and an internal annular sealing element; the gland is arranged on one side of the connecting plate; a sealing cavity is arranged between the gland and the connecting plate; the stern shaft is rotatably connected to the center of the sealing cavity in a penetrating manner; a gland sealing ring body is arranged on the connecting ring surface of the connecting plate and the gland; two locking screws are respectively arranged on two sides of the gland; two sides of the connecting plate are respectively provided with a threaded passage; one end of the locking screw rod is rotationally clamped on the press cover, and the other end of the locking screw rod is in threaded connection with the threaded channel of the connecting plate; the cross section of the inner annular sealing element is of an L-shaped structure; the inner annular sealing element comprises a sleeving ring part and a butting ring part; the abutting ring part is vertically arranged around the outer end of the sleeving ring part; the stern shaft is tightly sleeved with the two inner annular sealing elements; the two inner annular sealing pieces are respectively positioned at two sides of the inner part of the sealing cavity; the sleeve ring parts of the two internal annular sealing elements are tightly sleeved on the stern shaft; the outer side of the abutting ring part of one inner annular sealing element abuts against the inner side of the connecting plate, and the outer side of the abutting ring part of the other inner annular sealing element abuts against the inner side of the gland; the synchronous extrusion mechanism is arranged in the sealed cavity; the synchronous extrusion mechanism comprises a movable worm, a rotating worm wheel, a driving gear, a driven gear ring, a driving internal thread ring body, a driven abutting ring and an abutting ring body; the movable worm is rotatably and slidably arranged on one side above the inside of the gland; one end of the rotating worm wheel is rotatably arranged on the inner side of the connecting plate; the rotating worm wheel is in threaded engagement with the lower side of the movable worm; the other end of the rotating worm gear is provided with a driving gear through a linkage rod; the lower side of the driving gear is meshed and connected with the upper side of the driven gear ring; the driving internal thread ring body is rotatably sleeved on the outer side of the periphery of the stern shaft; the driven gear ring is arranged on the outer side of the periphery of the driving internal thread ring body; the peripheries of two ends of the driving internal thread ring body are respectively in threaded connection with a driven butting ring; the driven abutting rings are respectively connected to two ends of the driving internal thread ring body in a sliding manner; the outer ends of the inner sides of the driven abutting rings are respectively provided with an abutting ring body; the outer end of the abutting ring body abuts against the inner side of the abutting ring part on the periphery.
Furthermore, the peripheries of the interiors of two ends of the driving internal thread ring body are respectively provided with an inserting ring groove; the inner side of the insertion ring groove is provided with a driving internal thread ring surface; the inner side of the driven butting ring is provided with a driven internal thread ring surface; the inserting ring grooves at two ends of the driving internal thread ring body are respectively in threaded connection with the driven internal thread ring surface at the inner side of the driven butting ring through the driving internal thread ring surface.
Furthermore, the upper end and the lower end of the inner side of the connecting plate and the gland are respectively provided with a limiting guide rod; the upper side and the lower side of the outer end of the driven butting ring are respectively provided with a limiting guide groove; the driven butting ring is respectively inserted on the limiting guide rods of the connecting plate and the gland in a sliding manner through the limiting guide grooves on the upper side and the lower side of the outer end.
Further, a first connecting rod is arranged on the inner side of the upper end of the gland; the upper end of the first connecting rod is connected to the inner upper end of the gland; the lower end of the first connecting rod is rotationally clamped with the movable worm.
Furthermore, the one end of rotating the worm wheel rotates the joint through the second connecting rod and installs in the inboard of connecting plate.
Furthermore, a rotary clamping ring groove is formed in the outer side of the periphery of one end of the driving internal thread ring body; one end of the driving internal thread ring body is provided with a third connecting rod; one end of the third connecting rod is fixed on the inner side of the connecting plate, and the other end of the third connecting rod is rotationally clamped with the rotary clamping ring groove which drives one end of the internal thread ring body.
Furthermore, a connecting ring body is arranged around the inner end of the gland; two sides of the connecting ring body are respectively provided with a rotary clamping groove; the outer ends of the rotary clamping grooves are respectively communicated with a penetrating port; one end of the locking screw is rotatably clamped in a rotary clamping groove on the gland; and a cross-connecting driving groove is formed in the outer side of one end of the locking screw rod.
Further, an abutting elastic body is sleeved on the locking screw rod; and two ends of the abutting elastic body are elastically compressed and abutted between the connecting plate and the gland respectively.
Further, the inner annular seal is made of an elastic rubber material.
The invention has the advantages of
The synchronous extrusion mechanism can be driven along with the sealing connection of the gland and the connecting plate, the extrusion effect of the synchronous extrusion mechanism on the internal annular sealing element is realized, the driving is convenient, and the operation is rapid.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged structural schematic diagram of the connection of the connecting plate and the gland in the invention.
Fig. 3 is a partially enlarged schematic structural view of the synchronous extrusion mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a synchronous pressing type marine sealing device includes a connecting plate 1, a pressing cover 2, a stern shaft 3, a synchronous extrusion mechanism 5, and an inner annular sealing member 4. The gland 2 is arranged on one side of the connecting plate 1; a sealing cavity 9 is arranged between the gland 2 and the connecting plate 1; the stern shaft 3 is rotatably connected to the center of the sealing cavity 9 in a penetrating manner; a gland sealing ring body 6 is arranged on the connecting ring surface of the connecting plate 1 and the gland 2; two sides of the gland 2 are respectively provided with a locking screw 22; two sides of the connecting plate 1 are respectively provided with a threaded passage 11; one end of the locking screw rod 22 is rotationally clamped on the gland 2, and the other end of the locking screw rod is in threaded connection with the threaded channel 11 of the connecting plate 1; the section of the inner annular sealing element 4 is of an L-shaped structure; the inner annular seal 4 comprises a bell-spigot ring portion 42 and an abutment ring portion 41; the abutting ring part 41 is vertically arranged on the periphery of the outer end of the sleeving ring part 42; two inner annular sealing elements 4 are tightly sleeved on the stern shaft 3; the two inner annular sealing elements 4 are respectively positioned at two inner sides of the sealing cavity 9; the sleeve joint ring parts 42 of the two inner annular sealing pieces 4 are tightly sleeved on the stern shaft 3; the outer side of the abutting ring part 41 of one inner annular sealing member 4 abuts against the inner side of the connecting plate 1, and the outer side of the abutting ring part 41 of the other inner annular sealing member 4 abuts against the inner side of the gland 2; the synchronous extrusion mechanism 5 is arranged in the sealing cavity 9; the synchronous extrusion mechanism 5 comprises a movable worm 51, a rotary worm wheel 52, a driving gear 53, a driven gear ring 54, a driving internal thread ring body 55, a driven abutting ring 56 and an abutting ring body 57; the movable worm 51 is rotatably and slidably arranged at one side of the upper part of the interior of the gland 2; one end of the rotating worm gear 52 is rotatably arranged on the inner side of the connecting plate 1; the rotating worm wheel 52 is in threaded engagement with the lower side of the moving worm 51; the other end of the rotating worm gear 52 is provided with a driving gear 53 through a linkage rod 521; the lower side of the driving gear 53 is meshed and connected with the upper side of the driven gear ring 54; the driving internal thread ring body 55 is rotatably sleeved on the outer side of the periphery of the stern shaft 3; the driven gear ring 54 is arranged on the outer side of the periphery of the driving internal thread ring body 55; the peripheries of two ends of the driving internal thread ring body 55 are respectively in threaded connection with a driven abutting ring 56; the driven butting rings 56 are respectively connected to two ends of the driving internal thread ring body 55 in a sliding manner; the outer ends of the inner sides of the driven abutting rings 56 are respectively provided with an abutting ring body 57; the outer end of the pressing ring body 57 is pressed against the inner side of the pressing ring part 41.
As shown in fig. 1 to 3, it is further preferable that the driving internal thread ring body 55 is provided with a socket ring groove 552 on the inner periphery of each of the two ends; the inner side of the insertion ring groove 552 is provided with a driving internal thread ring surface 553; a driven internal thread ring surface 561 is arranged on the inner side of the driven abutting ring 56; the plug ring grooves 552 at the two ends of the driving internal thread ring body 55 are respectively in threaded connection with a driven internal thread ring surface 561 at the inner side of the driven abutting ring 56 through a driving internal thread ring surface 553. Preferably, the upper end and the lower end of the inner side of the connecting plate 1 and the inner side of the gland 2 are respectively provided with a limiting guide rod 7; the upper side and the lower side of the outer end of the driven butting ring 56 are respectively provided with a limiting guide groove 562; the driven butting ring 56 is respectively inserted on the limiting guide rods 7 of the connecting plate 1 and the gland 2 in a sliding way through the limiting guide grooves 562 on the upper side and the lower side of the outer end. Further preferably, a first connecting rod 511 is arranged on the inner side of the upper end of the gland 2; the upper end of the first connecting rod 511 is connected to the inner upper end of the gland 2; the lower end of the first connecting rod 511 is rotatably clamped with the movable worm 51. Further preferably, one end of the rotary worm gear 52 is rotatably and snap-fitted to the inner side of the connection plate 1 through a second connection rod 522. Preferably, a rotary clamping ring groove 551 is arranged on the outer side of the periphery of one end of the driving internal thread ring body 55; one end of the driving internal thread ring body 55 is provided with a third connecting rod 8; one end of the third connecting rod 8 is fixed on the inner side of the connecting plate 1, and the other end is rotationally clamped with the rotary clamping ring groove 551 which drives one end of the internal thread ring body 55. As shown in fig. 2, further, a connecting ring body 221 is arranged around the inner end of the gland 2; two sides of the connecting ring body 21 are respectively provided with a rotary clamping groove 24; the outer ends of the rotary clamping grooves 24 are respectively communicated with a through port 25; one end of the locking screw 22 is rotatably clamped in a rotary clamping groove 24 on the gland; the outer side of one end of the locking screw 22 is provided with a through driving groove 221. Further, an abutting elastic body 23 is sleeved on the locking screw 22; two ends of the abutting elastic body 23 are elastically compressed and abutted between the connecting plate 1 and the gland 2 respectively. Further, the inner annular seal 4 is made of an elastic rubber material.
The whole driving process of the invention is as follows: according to the invention, the gland 2 is driven to move towards one side of the connecting plate 1 by rotating the locking screw 22, at the moment, the gland 2 drives the movable worm 51 to move, the movable worm 51 rotates and drives the rotating worm wheel 52, the rotating worm wheel 52 rotates and drives the driving gear 53 to rotate, the driving gear 53 is meshed with and drives the driven gear ring 54 to rotate, the driven gear ring 54 drives the driving internal thread ring body 55 to rotate, when the driving internal thread ring body 55 rotates, the driven abutting rings 56 at two ends of the driving internal thread ring body can be synchronously driven to move towards two sides, so that the abutting ring body 57 is driven to move towards two sides to extrude the abutting ring part 41, and the abutting ring part 41 is tightly extruded on the connecting plate 1 and the gland 2, so that.
The synchronous extrusion mechanism 5 can be driven along with the sealing connection of the gland 2 and the connecting plate 1, the extrusion effect of the synchronous extrusion mechanism 5 on the internal annular sealing element 4 is realized, the driving is convenient, and the operation is rapid.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A synchronous abutting type marine sealing device is characterized by comprising a connecting plate, a gland, a stern shaft, a synchronous extrusion mechanism and an internal annular sealing element; the gland is arranged on one side of the connecting plate; a sealing cavity is arranged between the gland and the connecting plate; the stern shaft is rotatably connected to the center of the sealing cavity in a penetrating manner; a gland sealing ring body is arranged on the connecting ring surface of the connecting plate and the gland; two locking screws are respectively arranged on two sides of the gland; two sides of the connecting plate are respectively provided with a threaded passage; one end of the locking screw rod is rotationally clamped on the press cover, and the other end of the locking screw rod is in threaded connection with the threaded channel of the connecting plate; the cross section of the inner annular sealing element is of an L-shaped structure; the inner annular sealing element comprises a sleeving ring part and a butting ring part; the abutting ring part is vertically arranged around the outer end of the sleeving ring part; the stern shaft is tightly sleeved with the two inner annular sealing elements; the two inner annular sealing pieces are respectively positioned at two sides of the inner part of the sealing cavity; the sleeve ring parts of the two internal annular sealing elements are tightly sleeved on the stern shaft; the outer side of the abutting ring part of one inner annular sealing element abuts against the inner side of the connecting plate, and the outer side of the abutting ring part of the other inner annular sealing element abuts against the inner side of the gland; the synchronous extrusion mechanism is arranged in the sealed cavity; the synchronous extrusion mechanism comprises a movable worm, a rotating worm wheel, a driving gear, a driven gear ring, a driving internal thread ring body, a driven abutting ring and an abutting ring body; the movable worm is rotatably and slidably arranged on one side above the inside of the gland; one end of the rotating worm wheel is rotatably arranged on the inner side of the connecting plate; the rotating worm wheel is in threaded engagement with the lower side of the movable worm; the other end of the rotating worm gear is provided with a driving gear through a linkage rod; the lower side of the driving gear is meshed and connected with the upper side of the driven gear ring; the driving internal thread ring body is rotatably sleeved on the outer side of the periphery of the stern shaft; the driven gear ring is arranged on the outer side of the periphery of the driving internal thread ring body; the peripheries of two ends of the driving internal thread ring body are respectively in threaded connection with a driven butting ring; the driven abutting rings are respectively connected to two ends of the driving internal thread ring body in a sliding manner; the outer ends of the inner sides of the driven abutting rings are respectively provided with an abutting ring body; the outer end of the abutting ring body abuts against the inner side of the abutting ring part on the periphery.
2. The synchronous pressing type marine sealing device according to claim 1, wherein the driving internal thread ring body is provided with an inserting ring groove on the inner periphery of each of two ends; the inner side of the insertion ring groove is provided with a driving internal thread ring surface; the inner side of the driven butting ring is provided with a driven internal thread ring surface; the inserting ring grooves at two ends of the driving internal thread ring body are respectively in threaded connection with the driven internal thread ring surface at the inner side of the driven butting ring through the driving internal thread ring surface.
3. The synchronous pressing type marine sealing device according to claim 1, wherein the upper and lower ends of the inner side of the connecting plate and the inner side of the pressing cover are respectively provided with a limiting guide rod; the upper side and the lower side of the outer end of the driven butting ring are respectively provided with a limiting guide groove; the driven butting ring is respectively inserted on the limiting guide rods of the connecting plate and the gland in a sliding manner through the limiting guide grooves on the upper side and the lower side of the outer end.
4. The synchronous-pressing marine sealing device according to claim 1, wherein a first connecting rod is arranged inside the upper end of the pressing cover; the upper end of the first connecting rod is connected to the inner upper end of the gland; the lower end of the first connecting rod is rotationally clamped with the movable worm.
5. The synchronous pressing type marine sealing device according to claim 1, wherein one end of the rotating worm wheel is rotatably and snap-fitted to the inner side of the connecting plate through a second connecting rod.
6. The synchronous pressing type marine sealing device according to claim 1, wherein a rotary clamping ring groove is formed in the outer side of the periphery of one end of the driving internal thread ring body; one end of the driving internal thread ring body is provided with a third connecting rod; one end of the third connecting rod is fixed on the inner side of the connecting plate, and the other end of the third connecting rod is rotationally clamped with the rotary clamping ring groove which drives one end of the internal thread ring body.
7. The synchronous pressing type marine sealing device according to claim 1, wherein a connecting ring body is arranged around the inner end of the pressing cover; two sides of the connecting ring body are respectively provided with a rotary clamping groove; the outer ends of the rotary clamping grooves are respectively communicated with a penetrating port; one end of the locking screw is rotatably clamped in a rotary clamping groove on the gland; and a cross-connecting driving groove is formed in the outer side of one end of the locking screw rod.
8. The synchronous abutting marine sealing device according to claim 1, wherein an abutting elastic body is sleeved on the locking screw; and two ends of the abutting elastic body are elastically compressed and abutted between the connecting plate and the gland respectively.
9. The simultaneous backpressure marine seal of claim 1, wherein the inner annular seal is made of an elastomeric rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570797.4A CN111720548A (en) | 2020-06-22 | 2020-06-22 | Synchronous abutting type sealing device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570797.4A CN111720548A (en) | 2020-06-22 | 2020-06-22 | Synchronous abutting type sealing device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111720548A true CN111720548A (en) | 2020-09-29 |
Family
ID=72569734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010570797.4A Withdrawn CN111720548A (en) | 2020-06-22 | 2020-06-22 | Synchronous abutting type sealing device for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111720548A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467461A (en) * | 2020-12-21 | 2021-03-09 | 东台市高科技术创业园有限公司 | Electronic device connecting plug-in |
| CN112780774A (en) * | 2021-02-28 | 2021-05-11 | 东台市海鹏船舶配件有限公司 | Support and press regulation formula stern shaft sealing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379967A (en) * | 1971-10-20 | 1975-01-08 | Mobil Oil Corp | Marine propellar stern bearing shaft design and seal arrangement |
| CN107542933A (en) * | 2016-06-23 | 2018-01-05 | 上海易勒机电设备有限公司 | A kind of integrated mechanical sealing device |
| CN109027243A (en) * | 2018-08-16 | 2018-12-18 | 东台友铭船舶配件有限公司 | A kind of radial and axial double compression type stern shaft seal glands |
| CN109099162A (en) * | 2018-08-16 | 2018-12-28 | 东台友铭船舶配件有限公司 | A kind of reaction force squash type stern shaft seal gland |
| CN110822087A (en) * | 2019-10-29 | 2020-02-21 | 东台友铭船舶配件有限公司 | Rotary limiting type stern shaft sealing device |
-
2020
- 2020-06-22 CN CN202010570797.4A patent/CN111720548A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379967A (en) * | 1971-10-20 | 1975-01-08 | Mobil Oil Corp | Marine propellar stern bearing shaft design and seal arrangement |
| CN107542933A (en) * | 2016-06-23 | 2018-01-05 | 上海易勒机电设备有限公司 | A kind of integrated mechanical sealing device |
| CN109027243A (en) * | 2018-08-16 | 2018-12-18 | 东台友铭船舶配件有限公司 | A kind of radial and axial double compression type stern shaft seal glands |
| CN109099162A (en) * | 2018-08-16 | 2018-12-28 | 东台友铭船舶配件有限公司 | A kind of reaction force squash type stern shaft seal gland |
| CN110822087A (en) * | 2019-10-29 | 2020-02-21 | 东台友铭船舶配件有限公司 | Rotary limiting type stern shaft sealing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467461A (en) * | 2020-12-21 | 2021-03-09 | 东台市高科技术创业园有限公司 | Electronic device connecting plug-in |
| CN112467461B (en) * | 2020-12-21 | 2022-09-16 | 东台市高科技术创业园有限公司 | Electronic device connecting plug-in |
| CN112780774A (en) * | 2021-02-28 | 2021-05-11 | 东台市海鹏船舶配件有限公司 | Support and press regulation formula stern shaft sealing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111720547A (en) | Double-extrusion type marine sealing device | |
| CN110822088A (en) | Synchronous driving type stern shaft sealing device | |
| CN110822094A (en) | Extrusion type stern shaft sealing device | |
| CN111720548A (en) | Synchronous abutting type sealing device for ship | |
| CN112963537A (en) | Self-locking stern shaft sealing device | |
| CN211145347U (en) | Rotary limiting type stern shaft sealing device | |
| CN112780774A (en) | Support and press regulation formula stern shaft sealing device | |
| CN109027243B (en) | Radial and axial double-compression type stern shaft sealing device | |
| CN215475682U (en) | Floating marine rudder bearing | |
| CN211009897U (en) | Extrusion type stern shaft sealing device | |
| CN215475681U (en) | Rotary driving type marine rudder bearing | |
| CN212643534U (en) | Gland-driven fastening type marine sealing device | |
| CN110822087A (en) | Rotary limiting type stern shaft sealing device | |
| CN116734053A (en) | Leak-proof pneumatic joint with built-in rotary sealing piece | |
| CN211231581U (en) | Synchronous driving type stern shaft sealing device | |
| CN109099162B (en) | Reaction force extrusion type stern shaft sealing device | |
| CN112555418A (en) | Radial and axial double-sealing compact type stern shaft sealing element | |
| CN112539279A (en) | Adjustable stern shaft rubber sealing device | |
| CN212267795U (en) | Blade rotating tool for adjustable propeller | |
| CN112963536A (en) | Self-adaptive butt type stern shaft sealing device | |
| CN109050860B (en) | Stern shaft sealing device | |
| CN113137474A (en) | Locking type stern shaft sealing device | |
| CN113137473A (en) | Swift sealed assembled stern shaft seal device | |
| CN111677866A (en) | External drive type sealing element | |
| CN201003611Y (en) | Pneumatic remote-controlled filler sealing device |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200929 |
|
| WW01 | Invention patent application withdrawn after publication |