CN101788057B - High-performance pressure self-regulation ship oil lubricating and sealing device - Google Patents
High-performance pressure self-regulation ship oil lubricating and sealing device Download PDFInfo
- Publication number
- CN101788057B CN101788057B CN2009100289449A CN200910028944A CN101788057B CN 101788057 B CN101788057 B CN 101788057B CN 2009100289449 A CN2009100289449 A CN 2009100289449A CN 200910028944 A CN200910028944 A CN 200910028944A CN 101788057 B CN101788057 B CN 101788057B
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- Prior art keywords
- lip
- plunger
- sealing device
- pipeline
- type packing
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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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- 238000007789 sealing Methods 0.000 title claims abstract description 43
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 17
- 238000012856 packing Methods 0.000 claims description 44
- 241001529734 Ocimum Species 0.000 claims description 22
- 235000010676 Ocimum basilicum Nutrition 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 62
- 239000000314 lubricant Substances 0.000 description 17
- 239000013535 sea water Substances 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to a ship oil lubricating and sealing device, in particular to an improvement on a deep water operation oceaneering ship oil lubricating and sealing device. The invention provides a high-performance pressure self-regulation ship oil lubricating and sealing device which comprises a lip-shaped sealing ring and a sealing base for clamping and fixing the lip-shaped sealing ring; the front cutting edge angle of the lip-shaped sealing ring is communicated with one end of a plunger sleeve by a pipeline; the rear cutting edge angle side of the lip-shaped sealing ring is communicated with the other end of the plunger sleeve by another pipeline; a plunger is sleeved in the plunger sleeve; and the outer peripheral wall of the plunger is in sliding contact with the inner peripheral wall of the plunger sleeve. The invention not only can regulate the oil pressure of an oil cavity at any time to enable the previous and later pressure difference of the lip-shaped sealing ring to be close to zero, but also can be implemented easily and can run reliably.
Description
Technical field
The utility model relates to ship oil lubricating sealing device, relates in particular to the improvement of deepwater work ocean engineering ship oil lubricating sealing device.
Background technique
Lubricated sealing device of oil is one of boats and ships seal arrangement commonly used, is used to generally prevent that seawater from entering hull or device interior from running shaft, and 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.Lip-type packing of the ring-type that present lubricated sealing device of oil is mainly made by rubber (claiming the hot Rec department seal ring that sprinkles again) and clamping be the fixing sealing seat of lip-type packing and oil pocket formation also.There is stainless steel spring the lip inboard of lip-type packing, and this spring is tightly waled the lip of lip-type packing, make the lip of lip-type packing tightly fit and malleation on running shaft (or axle sleeve).The preceding basil one side (hereinafter to be referred as the front side) of lip-type packing is in the face of seawater, thereafter the basil one side (hereinafter to be referred as rear side) and sealing seat constitute oil pocket together, be marked with the lubricant oil of pressure in the oil pocket, its effect is: for the lip of lip-type packing partly provides lubricant oil, prevent that lip from partly dry grinding; For lip partly dispels the heat; Reduce the pressure reduction of lip-type packing front and back side.Because lip-type packing is made by rubber, deformation takes place easily, excessive and when causing the pressure reduction of side before and after the lip-type packing big when the seawater pressure of lip-type packing front side, lip-type packing is moved to the lip-type packing rear side along running shaft (or axle sleeve), make the lip of lip-type packing can not malleation on running shaft or axle sleeve, thereby cause the sealability of lubricated sealing device of oil to descend.When the pressure reduction of side before and after the lip-type packing is excessive, even can wash lip open and cause seal failure, this takes place in the ocean engineering vehicle of deep ocean work especially easily, thereby the oil pressure in the oil pocket can offset a part of seawater pressure, the pressure reduction before and after the minimizing lip-type packing.But difficultly accomplish that the front and back pressure reduction of lip-type packing is less and stable in that real ship is in service, this also is that lubricated sealing device of oil in the deepwater work boats and ships causes one of reason of leakage.Do not find solution preferably at present as yet.
The model utility content
At the above-mentioned deficiency of existing in prior technology, technical problem to be solved in the utility model is that a kind of high-performance pressure self-regulation ship oil lubricating and sealing device will be provided, and can adjust the oil pressure of oil pocket at any time, makes lip-type packing front and back pressure reduction approach zero, implement easily again, reliable.
In order to solve the problems of the technologies described above, the scheme of the utility model technical solution problem is: a kind of high-performance pressure self-regulation ship oil lubricating and sealing device, comprise lip-type packing and clamping and fix the sealing seat of this lip-type packing, the preceding basil one side of described lip-type packing is connected with an end of plunger bushing by pipeline, the back basil one side of described lip-type packing is connected with the other end of described plunger bushing by another pipeline, be set with plunger in the described plunger bushing, and sliding contact between the inner circle wall of the periphery wall of this plunger and described plunger bushing.
After adopting such scheme, because the basil one side and the back basil one side are communicated with plunger bushing by pipeline respectively before the lip-type packing, and be set with plunger in the plunger bushing with the plunger bushing sliding contact, when real ship is used, with be full of water and lubricant oil in the pipeline that one side of the basil before the lip-type packing is communicated with, with be full of lubricant oil in the pipeline that one side of the basil after the lip-type packing is communicated with, the space at plunger two ends is full of lubricant oil in the plunger bushing, thereby the variation in pressure of the preceding basil one side seawater of lip-type packing, can by the oil in ducted oil and water and the plunger bushing and slidably plunger be delivered to rapidly in the oil pocket of the basil one side after the lip-type packing (being full of lubricant oil in the oil pocket), and the oil pressure that makes oil pocket near or equal seawater pressure, thereby make that the pressure of this lip-type packing front and back side is in a basic balance, pressure reduction approaches zero, can effectively make this lip-type packing that deformation does not take place, improved the deep water sealability of lubricated sealing device of oil greatly, again because the oil pocket oil pressure can not be higher than seawater pressure, thereby the lubricant oil in the oil pocket can not leak into the sea, avoids marine pollution.Owing in plunger bushing, be set with slidably plunger, thereby another advantage of the present utility model is that plunger is separated the medium at its two ends, do not influence pressure transmission (slip resistance of plunger in plunger bushing ignored) again, thoroughly stop seawater and scurried into the possibility of oil pocket, effectively guaranteed the degree of purity of lubricant oil in the oil pocket.On the other hand, the front and back side connection connection of the plunger bushing of plunger with lip-type packing being housed with pipeline and the internal sleeve that is connected with it, be all uncomplicated on processing technology of components or in the as installed, thereby this scheme can realize.
Description of drawings:
Below in conjunction with the drawings and specific embodiments the utility model high-performance pressure self-regulation ship oil lubricating and sealing device is described in further detail.
Fig. 1 is the structural principle schematic representation that the utility model high-performance pressure self-regulation ship oil lubricating and sealing device is applied to the boats and ships sealing.
Embodiment
Among Fig. 1, sealing seat 1 adopts boss structure to connect together each other, and adopts bolt tightening (the part bolt does not draw among the figure), to guarantee installation precision.Sealing seat 1 is secured on the hull, lip-type packing 14 is by two adjacent sealing seat 1 clampings and fixing, the lip of lip-type packing 14 is fitted on the rotary sleeve 13, the preceding basil one side of lip-type packing 14 is seawater, thereafter the basil one side is to fill with the oil pocket 12 of lubricant oil, with radially be processed with seawater side pressure transmission hole 2 on the sidewall of the sealing seat 1 of contact with sea water, radially be processed with lubricating oil side pressure transmission hole 11 on the sidewall of the sealing seat 1 that contacts with lubricant oil, one end of pipeline 3 is fixedlyed connected with seawater side pressure transmission hole 2 by pipe joint, the other end of pipeline 3 is connected with an end of plunger bushing 7, thereby make the preceding basil one side of lip-type packing 14 be communicated with an end of plunger bushing 7, one end of another pipeline 10 is fixedlyed connected with lubricating oil side pressure transmission hole 11 by another pipe joint, the other end of another pipeline 10 is connected with the other end of plunger bushing 7, thereby makes the back basil one side of lip-type packing 14 be communicated with the other end of plunger bushing 7.Be set with columniform plunger 8 in the plunger bushing 7 with plunger bushing 7 sliding contacts.Polyphone is equipped with oil circuit valve 5 on the pipeline 3, and between the preceding basil one side of oil circuit valve 5 and lip-type packing 14 and near oil circuit valve 5 places, draw a branch pipe(tube) from pipeline 3, this branch pipe(tube) end is equipped with inner air tube escape cock 4, and the evacuation port of this inner air tube escape cock 4 is communicated with atmosphere.With the highest point on the pipeline 3 that plunger bushing 7 directly is communicated with the pump nozzle 6 of band one-way valve is installed, the highest point of another pipeline 10 is equipped with another pump nozzle 9 of another band one-way valve.Near on the pipeline 3 of pump nozzle 6 of band one-way valve and near being separately installed with air bleeder valve (two air bleeder valve are not all drawn among the figure) on another pipeline 10 with another pump nozzle 9 of another one-way valve.Do not draw among the lubricating oil circulating cooling system figure in the lubricated sealing device of oil.
During oiling first, close oil circuit valve 5, pump nozzle 6 by the band one-way valve and fill with lubricant oil to the two ends of plunger 8 and another pipeline 10 and the oil pocket 12 that is communicated with this another pipeline 10 and the pipeline 3 between oil circuit valve 5 and the plunger bushing 7 respectively with another pump nozzle 9 of another one-way valve, when just injecting lubricant oil, open respectively near the pump nozzle 6 of band one-way valve with two air bleeder valve of another pump nozzle 9 of another one-way valve, these two air bleeder valve are promptly closed after lubricant oil is filled with.When the basil one side is full of seawater before the lip-type packing 14, air bleeder valve 4 in the tube used for bottom pouring, close this inner air tube escape cock 4 when treating the evacuation port water outlet of inner air tube escape cock 4, open oil circuit valve 5 simultaneously, at this moment seawater, lubricant oil in the pipeline 3 and water, plunger 8 and lubricant oil in the plunger bushing 7, lubricant oil in another pipeline 10 and the oil pocket 12 is in connected state, when the depth location of boats and ships in water changes, the seawater pressure of the basil one side changes thereupon before the lip-type packing 14, this variation in pressure is delivered to oil pocket 12 rapidly by the medium of plunger 8 and connection, thereby the basil one side is in a basic balance with the pressure of the back basil one side before making lip-type packing 14, and pressure reduction approaches zero, with depth relationship is little under water, the withstand voltage properties and the deep water sealability of lubricated sealing device of oil have effectively been improved, and because the buffer action of plunger 8, seawater can not be scurried in the oil pocket 12, has guaranteed the degree of purity of lubricant oil.
During real ship was used, lubricated sealing device of oil also was equipped with pressurized seal device 15 near propeller cavitation one side, just enables pressurized seal device when the lubricated sealing device of oil seal failure, stoped seawater to enter in the ship.
Above-mentioned mode of execution only is the utility model one of mode of execution preferably, described plunger is not limited only to cylindrical plunger, it can also be steel ball with the plunger bushing sliding contact, not only being confined to inwall with the supporting plunger bushing of steel ball is columniform plunger bushing, can also be the smooth arc pipe that internal diameter equates.The utility model can also be combined with mechanical seal device or labyrinth-type excluder etc., constitutes the better deep-sea sealing device of sealability, and these changes and improvements are all among protection domain of the present utility model.
Claims (6)
1. high-performance pressure self-regulation ship oil lubricating and sealing device, comprise lip-type packing (14) and clamping and fix the sealing seat (1) of this lip-type packing (14), it is characterized in that: the preceding basil one side of described lip-type packing (14) is connected with an end of plunger bushing (7) by first pipeline (3), the back basil one side of described lip-type packing (14) is connected with the other end of described plunger bushing (7) by second pipeline (10), be set with plunger (8) in the described plunger bushing (7), and sliding contact between the inner circle wall of periphery wall of this plunger (8) and described plunger bushing (7).
2. high-performance pressure self-regulation ship oil lubricating and sealing device according to claim 1 is characterized in that: described plunger (8) is a cylindrical plunger.
3. high-performance pressure self-regulation ship oil lubricating and sealing device according to claim 1 is characterized in that: described plunger (8) is the steel ball with plunger bushing (7) sliding contact.
4. high-performance pressure self-regulation ship oil lubricating and sealing device according to claim 1, it is characterized in that: described first pipeline (3) is gone up polyphone oil circuit valve (5) is installed, and between the preceding basil one side of this oil circuit valve (5) and described lip-type packing (14) and near this oil circuit valve (5), locate to draw a branch pipe(tube) from described first pipeline (3), this branch pipe(tube) end is equipped with inner air tube escape cock (4), and the evacuation port of this inner air tube escape cock (4) is communicated with atmosphere.
5. high-performance pressure self-regulation ship oil lubricating and sealing device according to claim 1 is characterized in that: with the highest point on described first pipeline (3) that described plunger bushing (7) directly is communicated with first pump nozzle (6) of band one-way valve is installed.
6. high-performance pressure self-regulation ship oil lubricating and sealing device according to claim 1 is characterized in that: the highest point of described second pipeline (10) is equipped with second pump nozzle (9) of band one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100289449A CN101788057B (en) | 2009-01-22 | 2009-01-22 | High-performance pressure self-regulation ship oil lubricating and sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100289449A CN101788057B (en) | 2009-01-22 | 2009-01-22 | High-performance pressure self-regulation ship oil lubricating and sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101788057A CN101788057A (en) | 2010-07-28 |
| CN101788057B true CN101788057B (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100289449A Expired - Fee Related CN101788057B (en) | 2009-01-22 | 2009-01-22 | High-performance pressure self-regulation ship oil lubricating and sealing device |
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| Country | Link |
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| CN (1) | CN101788057B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854241A (en) * | 2019-04-11 | 2019-06-07 | 吉林省泰嘉矿业设备有限公司 | A kind of development machine internal spraying grease differential pressure type active sealing device and method |
| CN110397741B (en) * | 2019-08-28 | 2024-04-26 | 东营海森密封技术有限责任公司 | Shaft end mechanical sealing device |
| CN110440006B (en) * | 2019-08-29 | 2024-05-03 | 浙江工业大学 | Pressure adaptation type mechanical sealing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204243U (en) * | 1985-10-07 | 1986-08-06 | 武汉水运工程学院 | Slanting lip with ridges for back flow sealing trail shaft of ship |
| DE3817660A1 (en) * | 1988-05-25 | 1989-12-07 | Blohm Voss Ag | Stern-tube sealing arrangement for propeller shafts of seagoing vessels |
| CN201359089Y (en) * | 2009-01-22 | 2009-12-09 | 江苏华阳重工科技股份有限公司 | High-performance pressure self-adjusting oil-lubricated sealing device for ships |
-
2009
- 2009-01-22 CN CN2009100289449A patent/CN101788057B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204243U (en) * | 1985-10-07 | 1986-08-06 | 武汉水运工程学院 | Slanting lip with ridges for back flow sealing trail shaft of ship |
| DE3817660A1 (en) * | 1988-05-25 | 1989-12-07 | Blohm Voss Ag | Stern-tube sealing arrangement for propeller shafts of seagoing vessels |
| CN201359089Y (en) * | 2009-01-22 | 2009-12-09 | 江苏华阳重工科技股份有限公司 | High-performance pressure self-adjusting oil-lubricated sealing device for ships |
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| Publication number | Publication date |
|---|---|
| CN101788057A (en) | 2010-07-28 |
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Granted publication date: 20111109 |
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