CN201779261U - Self-lubricating marine water-lubricating sealing device - Google Patents
Self-lubricating marine water-lubricating sealing device Download PDFInfo
- Publication number
- CN201779261U CN201779261U CN2010202979697U CN201020297969U CN201779261U CN 201779261 U CN201779261 U CN 201779261U CN 2010202979697 U CN2010202979697 U CN 2010202979697U CN 201020297969 U CN201020297969 U CN 201020297969U CN 201779261 U CN201779261 U CN 201779261U
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- lubricating
- water
- water lubrication
- sealing
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to marine equipment, in particular to an improvement of a marine water-lubricating sealing device. The self-lubricating marine water-lubricating sealing device comprises a water-lubricating sealing socket, a sealing end cover and a water-lubricating sealing ring, wherein the water-lubricating sealing socket surrounds a rotating shaft and is fixedly installed on a hull; the sealing end cover surrounds the rotating shaft and is fixedly installed on the water-lubricating sealing socket; the water-lubricating sealing ring is arranged in a space enclosed by the water-lubricating sealing socket and the sealing end cover and is circularly and fixedly installed on the rotating shaft; an antifriction stationary ring is arranged on the sealing end cover; the antifriction stationary ring surrounds the rotating shaft, is arranged opposite to the water-lubricating sealing ring, and is attached on the water-lubricating sealing ring; and the antifriction stationary ring is made of a self-lubricating material. The utility model can effectively reduce the dynamic friction factor between matching parts for sealing, reduces the abrasion of the lip of the water-lubricating sealing ring, improves the sealing property of the sealing device, and prolongs the service life of the water-lubricating sealing device.
Description
Technical field:
The utility model relates to shipborne equipment, relates in particular to the improvement of boats and ships water lubrication seal arrangement.
Background technique:
The water lubrication seal arrangement is one of boats and ships seal arrangement commonly used, be mainly used in and stop seawater to enter in the ship from the joint of ship stern tube shaft and shell, or be used to stop seawater from boats and ships electric plating propulsion live axle access arrangement inside, the quality of its sealability directly has influence on the safe operation of boats and ships, is the important component part of boats and ships.Present boats and ships water lubrication seal arrangement comprise around running shaft and be fixedly mounted on the hull the water lubrication sealing seat and around running shaft and be fixedly mounted on end cover on the water lubrication sealing seat, and place the interior volume that water lubrication sealing seat and end cover surrounded and encircle and be fixedly mounted on water lubrication seal ring on the running shaft, be processed with static seal face on the end cover with its axis normal, this static seal face and water lubrication seal ring be oppositely arranged and fit and constitute the sealing even part, this end cover generally adopts the stainless steel of seawater corrosion resistance or the metallic material of other seawater corrosion resistance to make, water lubrication seal ring and running shaft rotate synchronously during work, as oiling agent and freezing mixture, play seal action with water by the applying of water lubrication seal ring and static seal face.Water lubrication seal arrangement biggest advantage is not use oil lubrication, both saved expensive lubricant oil, eliminated the possibility of lubricant pollution ocean again, belong to " green " sealing, but just because the water lubrication seal arrangement does not adopt oil lubrication yet, the dynamic friction factor during as oiling agent is bigger with water between water lubrication seal ring and the static seal face, the lip of water lubrication seal ring weares and teares easily, so its life-span is not very long, normal operation influence to boats and ships during maintain and replace is very big, the work of water lubrication seal ring the time only relies on the elastic force of self waist that lip is fitted on the static seal face in addition, even have only very little axis runout during the running shaft running, but because the elastic force of waist is not very big, the lip of water lubrication seal ring often has little time to follow compensation, thereby cause leaking, there is the researcher to attempt to adopt the lip of elastic element increase water lubrication seal ring and the pressure between the static seal face, but the frictional force that the lip that has also increased the water lubrication seal ring simultaneously is subjected to, quicken the wearing and tearing of water lubrication seal ring and the heat ageing that frictional heat causes, had not yet to see the rational and effective solution.
The model utility content:
At the above-mentioned deficiency of existing in prior technology, technical problem to be solved in the utility model is to provide a kind of self-lubricating type water lubrication seal arrangement peculiar to vessel, it can effectively reduce the dynamic friction factor between the even part of sealing, reduce the wearing and tearing of water lubrication seal ring lip, improve the sealability of seal arrangement, prolong the life-span of water lubrication seal arrangement.
In order to solve the problems of the technologies described above, the scheme of the utility model technical solution problem is: a kind of self-lubricating type water lubrication seal arrangement peculiar to vessel, comprise around running shaft and be fixedly mounted on the hull the water lubrication sealing seat and around running shaft and be fixedly mounted on end cover on the described water lubrication sealing seat, and place the interior volume that described water lubrication sealing seat and described end cover surrounded and encircle and be fixedly mounted on water lubrication seal ring on the running shaft, also be provided with on the described end cover around described running shaft and the anti-attrition stationary ring that is oppositely arranged and fits with described water lubrication seal ring, and this anti-attrition stationary ring is made by self lubricating material.
After adopting such scheme, because end cover is provided with the anti-attrition stationary ring, and the anti-attrition stationary ring adopts self lubricating material to make, reduced the dynamic friction factor between water lubrication seal ring and the anti-attrition stationary ring, effectively reduce the wearing and tearing of water lubrication seal ring and prolonged its working life, on the other hand, reduction along with dynamic friction factor, fricative heat descends greatly, cause the aging high temperature inducement of water lubrication seal ring to be subjected to restricting significantly, and make to adopt elastic element increase pressure between the even part of sealing, and improve the sealing effect of water lubrication seal ring, do not influence the realization that the scheme in water lubrication seal ring working life can be satisfied with again.
What is more important has reduced the probability that boats and ships bring to and suspend and keep in repair greatly owing to prolonged the working life of water lubrication seal arrangement, effectively improved the efficient of operation of ship.
The anti-attrition stationary ring adopts to be threaded and is fixed on the end cover.
The anti-attrition stationary ring connects into an integral body with end cover during fabrication.
End cover and anti-attrition stationary ring all adopt self lubricating material to make, and form an integral body during fabrication.
The self lubricating material of making the anti-attrition stationary ring adopts the macromolecule graphite material, and the macromolecule graphite material has excellent mechanical intensity, wear-resistant and decay resistance.
The self lubricating material of making the anti-attrition stationary ring adopts polytetrafluoroethylmaterial material, and polytetrafluoroethylmaterial material has excellent mechanical intensity, and abrasion resistance properties, sea water corrosion resistant and good self-lubricating property can satisfy usage requirement fully.
The self lubricating material of making the anti-attrition stationary ring adopts polyamide, and polyamide material has excellent mechanical intensity around running shaft and by this, and abrasion resistance properties, sea water corrosion resistant and good self-lubricating property can satisfy usage requirement fully.
Some boats and ships is equipped with the muff that seawater and running shaft are kept apart on running shaft, be used for protecting running shaft not to be subjected to seawater corrosion, and the running shaft that the utility model self-lubricating type water lubrication seal arrangement peculiar to vessel will be equipped with muff also is considered as running shaft.
Description of drawings:
Below in conjunction with the drawings and specific embodiments the utility model self-lubricating type water lubrication seal arrangement peculiar to vessel is further described.
Fig. 1 is the structural principle schematic representation of the utility model self-lubricating type water lubrication seal arrangement peculiar to vessel.
Embodiment:
Among Fig. 1, water lubrication sealing seat 1 is installed on the hull, end cover 6 is installed in the end of water lubrication sealing seat 1 by bolt, the space that water lubrication seal ring 3 places water lubrication sealing seat 1 and end cover 6 to surround, and encircle running shaft 7 and be fixedly mounted on the running shaft 7 by spring 2, anti-attrition stationary ring 5 is installed by being threaded on the end cover 6, anti-attrition stationary ring 5 adopts the macromolecule graphite material to make, and be oppositely arranged with water lubrication seal ring 3 and fit mutually and constitute the even part of sealing, anti-attrition stationary ring 5 does not contact around running shaft 7 and with running shaft 7.Water lubrication seal ring 3 is followed running shaft 7 rotation synchronously together during work, because the anti-attrition stationary ring 5 on water lubrication seal ring 3 and the end cover 6 is oppositely arranged and tightly fits together, thereby seawater is blocked in the interior volume that water lubrication sealing seat 1 and end cover 6 surround, play good seal action, again because anti-attrition stationary ring 5 adopts the macromolecule graphite material to make, dynamic friction factor between water lubrication seal ring 3 and the anti-attrition stationary ring 5 is very little, the wearing and tearing of water lubrication seal ring 3 lips 4 had both been reduced, reduced fricative heat again, delay and restricted the heat ageing process of water lubrication seal ring 3, prolong its working life from reducing wearing and tearing and two aspects of anti-aging, improve airtight quality, thereby assurance water lubrication seal arrangement is worked more safely and reliably, reduce the probability of maintenance of the vessel, make boats and ships more efficient, economic operation.
Water valve also is installed and is connected water pipe on water lubrication sealing seat 1 and the end cover 6, be used for water lubrication seal ring 3 coolings, lubricated and wash residual silt (figure water valve and water pipe do not draw).
Above-mentioned mode of execution only is the utility model self-lubricating type water lubrication seal arrangement peculiar to vessel one of mode of execution preferably, wherein said anti-attrition stationary ring is not limited only to adopt be threaded and is installed on the end cap, can also connect into an integral body with end cover during fabrication.Described anti-attrition stationary ring is not limited only to adopt the macromolecule graphite material to make, and also can adopt polytetrafluoroethylmaterial material or polyamide to make.Described running shaft is not limited only to the not running shaft of installation shaft lining, can also be the running shaft that muff is installed.Above-mentioned changes and improvements are all among the protection of the utility model self-lubricating type water lubrication seal arrangement peculiar to vessel.
Claims (6)
1. self-lubricating type water lubrication seal arrangement peculiar to vessel, comprise around running shaft (7) and be fixedly mounted on the hull water lubrication sealing seat (1) and around running shaft (7) and be fixedly mounted on end cover (6) on the water lubrication sealing seat (1), and place the interior volume that water lubrication sealing seat (1) and end cover (6) surrounded and encircle and be fixedly mounted on water lubrication seal ring (3) on the running shaft (7), it is characterized in that: also be provided with on the described end cover (6) around described running shaft (7) and the anti-attrition stationary ring (5) that is oppositely arranged and fits with described water lubrication seal ring (3), and this anti-attrition stationary ring (5) is made by self lubricating material.
2. a kind of self-lubricating type according to claim 1 water lubrication seal arrangement peculiar to vessel is characterized in that: described anti-attrition stationary ring (5) is made by the macromolecule graphite material.
3. a kind of self-lubricating type according to claim 1 water lubrication seal arrangement peculiar to vessel is characterized in that: described anti-attrition stationary ring (5) is made by polytetrafluoroethylmaterial material.
4. a kind of self-lubricating type according to claim 1 water lubrication seal arrangement peculiar to vessel is characterized in that: described anti-attrition stationary ring (5) is made by polyamide material.
5. a kind of self-lubricating type according to claim 1 water lubrication seal arrangement peculiar to vessel is characterized in that: described anti-attrition stationary ring (5) adopts to be threaded and is fixed on the end cover (6).
6. a kind of self-lubricating type according to claim 1 water lubrication seal arrangement peculiar to vessel is characterized in that: described anti-attrition stationary ring (5) and end cover (6) are an integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202979697U CN201779261U (en) | 2009-08-04 | 2010-08-03 | Self-lubricating marine water-lubricating sealing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910184348 | 2009-08-04 | ||
| CN200910184348.X | 2009-08-04 | ||
| CN2010202979697U CN201779261U (en) | 2009-08-04 | 2010-08-03 | Self-lubricating marine water-lubricating sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779261U true CN201779261U (en) | 2011-03-30 |
Family
ID=43792472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202979697U Expired - Fee Related CN201779261U (en) | 2009-08-04 | 2010-08-03 | Self-lubricating marine water-lubricating sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779261U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335112A (en) * | 2013-06-26 | 2013-10-02 | 东台友铭船舶配件有限公司 | Marine light-weight water-lubricated sealing device |
| CN105150508A (en) * | 2015-08-13 | 2015-12-16 | 中国科学院长春应用化学研究所 | Process method for preparing static ring used for ship tail shaft sealing and lubricating |
| CN105673858A (en) * | 2014-12-05 | 2016-06-15 | 舍弗勒技术股份两合公司 | Sealing element of hydraulic control member for friction clutch or brake cylinder, and hydraulic control member with corresponding sealing element |
-
2010
- 2010-08-03 CN CN2010202979697U patent/CN201779261U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335112A (en) * | 2013-06-26 | 2013-10-02 | 东台友铭船舶配件有限公司 | Marine light-weight water-lubricated sealing device |
| CN105673858A (en) * | 2014-12-05 | 2016-06-15 | 舍弗勒技术股份两合公司 | Sealing element of hydraulic control member for friction clutch or brake cylinder, and hydraulic control member with corresponding sealing element |
| CN105150508A (en) * | 2015-08-13 | 2015-12-16 | 中国科学院长春应用化学研究所 | Process method for preparing static ring used for ship tail shaft sealing and lubricating |
| CN105150508B (en) * | 2015-08-13 | 2017-04-26 | 中国科学院长春应用化学研究所 | Process method for preparing static ring used for ship tail shaft sealing and lubricating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20110803 |