CN102829188A - Rear shaft seal device with integral moving ring - Google Patents
Rear shaft seal device with integral moving ring Download PDFInfo
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- CN102829188A CN102829188A CN2012103481362A CN201210348136A CN102829188A CN 102829188 A CN102829188 A CN 102829188A CN 2012103481362 A CN2012103481362 A CN 2012103481362A CN 201210348136 A CN201210348136 A CN 201210348136A CN 102829188 A CN102829188 A CN 102829188A
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- ring
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- rotating ring
- stationary
- moving ring
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Abstract
The invention discloses a rear shaft seal device with an integral moving ring. The rear shaft seal device comprises a moving ring shell, a moving ring arranged in the moving ring shell, a static ring shell, and a static ring arranged in the static ring shell, wherein the moving ring is in friction fit with the static ring; a spring and a push nail are arranged between the moving ring shell and the moving ring; the push nail and the moving ring are fixed through an assembling screw; a plurality of O-shaped rings are arranged between the static ring and the static ring shell; a filler ring is arranged between the moving ring and the moving ring shell; a filler is arranged between the filler ring and the moving ring shell; the filler ring and the moving ring shell are fixed through an anti-looseness screw; the moving ring shell is provided with an air escape channel; an air escape screw is arranged in the air escape channel; a friction ring piece is cast in the moving ring; the static ring is provided with a joint surface jointed with the moving ring; and the friction ring piece is provided with a sealing dam in friction fit with the joint surface of the static ring, and the sealing dam is an inclined surface of 2 to 5 degrees. Therefore, the sealing performance between the moving ring and the static ring is improved.
Description
Technical field
The present invention relates to a kind of gland seal device, relate in particular to a kind of rear shaft seal device with integrated type rotating ring.
Background technique
Boats and ships are fastened used stern shaft seal gland at home at present, and the most commonly used is a kind of, is sealing plant for oil-lubricating tail-shaft; Sealing plant for oil-lubricating tail-shaft;, lubricating oil little with compact structure, power loss revealed advantages such as few, receives vast welcome with ship unit, and sealing plant for oil-lubricating tail-shaft of the prior art generally comprises: the rotating ring shell, be installed on rotating ring, the stationary ring shell in the rotating ring shell and be installed on the interior stationary ring of stationary ring shell; Be cast with the friction ring plate in the said rotating ring; Said stationary ring is provided with and the rotating ring engagement surface, and said friction ring plate is provided with the sealing dam with the mating face frictional fit of stationary ring, and the inclined-plane that is provided with at an angle with the sealing dam is set; Its defective is: along with the growth of service life; Wearing and tearing between sealing dam and the mating face are more and more serious, and the sealing dam does not have new friction area to replenish into always yet, therefore cause the sealability between rotating ring and the stationary ring to reduce.
Therefore, be necessary to provide a kind of rear shaft seal device that solves the problems of the technologies described above with integrated type rotating ring.
Summary of the invention
A technical problem to be solved by this invention is: the rear shaft seal device that provides a kind of sealability to have the integrated type rotating ring preferably.
For solving the problems of the technologies described above; The present invention adopts following technological scheme: a kind of rear shaft seal device with integrated type rotating ring comprises: the rotating ring shell, be installed on rotating ring, the stationary ring shell in the rotating ring shell and be installed on the stationary ring in the stationary ring shell, said rotating ring shell, rotating ring, stationary ring shell and stationary ring are respectively monolithic construction; Said rotating ring and stationary ring frictional fit; Be provided with spring between said rotating ring shell and the rotating ring and advance nail, through the rigging screw fixing, be provided with several O type circles between said stationary ring and the stationary ring shell between said propelling nail and the rotating ring; Be provided with packing ring between said rotating ring and the rotating ring shell; Be provided with filler between said packing ring and the rotating ring shell, through the backing-up screw fixing, said rotating ring shell is provided with bleed passage between said packing ring and the rotating ring shell; Be provided with bleed screw in the said bleed passage; Be cast with the friction ring plate in the said rotating ring, said stationary ring is provided with and the rotating ring engagement surface, and said friction ring plate is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam and is the inclined-plane of 2 °～5 ° of settings.
Preferably, said rear shaft seal device also is provided with anti-fishing net device, passes through lock washer screw fixing between said anti-fishing net device and the stationary ring shell.
Preferably, said friction ring plate is processed by Hastelloy.
Beneficial effect of the present invention: the present invention is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam through said friction ring plate and is the inclined-plane of 2 °～5 ° of settings; Thereby make stationary ring and rub ring plate in the process of friction; The area on sealing dam constantly increases, thereby has improved the sealability between rotating ring and the stationary ring.
Description of drawings
Fig. 1 is the structural representation with rear shaft seal device of integrated type rotating ring.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Among Fig. 1 and Fig. 2: 1, rotating ring shell, 2, rotating ring, 3, the stationary ring shell, 4, stationary ring, 5, spring; 6, advance nail, 7, rigging screw, 8, O type circle, 9, packing ring, 10, filler; 11, backing-up screw, 12, bleed passage, 13, the mating face, 14, the sealing dam, 15, the friction ring plate; 16, anti-fishing net device, 17, the lock washer screw, 18, bleed screw, 19, the inclined-plane.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
See also Fig. 1 and Fig. 2; A kind of rear shaft seal device with integrated type rotating ring; Comprise: rotating ring shell 1, be installed on rotating ring 2, the stationary ring shell 3 in the rotating ring shell 1 and be installed on the stationary ring 4 in the stationary ring shell 3, said rotating ring shell 1, rotating ring 2, stationary ring shell 3 and stationary ring 4 are respectively monolithic construction.Said rotating ring 2 and stationary ring 4 frictional fit; Be provided with spring 5 between said rotating ring shell 1 and the rotating ring 2 and advance nail 6, through rigging screw 7 fixings, be provided with several O type circles 8 between said stationary ring 4 and the stationary ring shell 3 between said propelling nail 6 and the rotating ring 2; Be provided with packing ring 9 between said rotating ring 2 and the rotating ring shell 1; Be provided with filler 10 between said packing ring 9 and the rotating ring shell 1, through backing-up screw 11 fixings, said rotating ring shell 1 is provided with bleed passage 12 between said packing ring 9 and the rotating ring shell 1; Be provided with bleed screw 18 in the said bleed passage 12; Open the bleed screw gas of sealing the inside of can draining, thereby be full of sealed inside to oil, be cast with friction ring plate 15 in the said rotating ring 2; Said stationary ring 4 is provided with and rotating ring 2 engagement surface 13, and said friction ring plate 15 is provided with the sealing dam 14 of mating face 13 frictional fit of stationary ring 4 and with sealing dam 14 and is the inclined-plane 19 of 2 °～5 ° of settings.Said rear shaft seal device also is provided with anti-fishing net device 16, passes through lock washer screw 17 fixings between said anti-fishing net device 16 and the stationary ring shell 3.Said friction ring plate 15 is processed by Hastelloy, thereby has improved the wear resistance of friction ring plate.
The present invention is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam through said friction ring plate and is the inclined-plane of 2 °～5 ° of settings; Thereby make stationary ring and rub ring plate in the process of friction; The area on sealing dam constantly increases, thereby has improved the sealability between rotating ring and the stationary ring.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. rear shaft seal device with integrated type rotating ring comprises: the rotating ring shell, be installed on rotating ring, the stationary ring shell in the rotating ring shell and be installed on the stationary ring in the stationary ring shell, it is characterized in that: said rotating ring shell, rotating ring, stationary ring shell and stationary ring are respectively monolithic construction; Said rotating ring and stationary ring frictional fit; Be provided with spring between said rotating ring shell and the rotating ring and advance nail, through the rigging screw fixing, be provided with several O type circles between said stationary ring and the stationary ring shell between said propelling nail and the rotating ring; Be provided with packing ring between said rotating ring and the rotating ring shell; Be provided with filler between said packing ring and the rotating ring shell, through the backing-up screw fixing, said rotating ring shell is provided with bleed passage between said packing ring and the rotating ring shell; Be provided with bleed screw in the said bleed passage; Be cast with the friction ring plate in the said rotating ring, said stationary ring is provided with and the rotating ring engagement surface, and said friction ring plate is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam and is the inclined-plane of 2 °～5 ° of settings.
2. a kind of rear shaft seal device with integrated type rotating ring as claimed in claim 1, it is characterized in that: said rear shaft seal device also is provided with anti-fishing net device, passes through lock washer screw fixing between said anti-fishing net device and the stationary ring shell.
3. a kind of rear shaft seal device with integrated type rotating ring as claimed in claim 2, it is characterized in that: said friction ring plate is processed by Hastelloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103481362A CN102829188A (en) | 2012-09-19 | 2012-09-19 | Rear shaft seal device with integral moving ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103481362A CN102829188A (en) | 2012-09-19 | 2012-09-19 | Rear shaft seal device with integral moving ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102829188A true CN102829188A (en) | 2012-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103481362A Pending CN102829188A (en) | 2012-09-19 | 2012-09-19 | Rear shaft seal device with integral moving ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102829188A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174647A (en) * | 2013-04-11 | 2013-06-26 | 浙江力高泵业科技有限公司 | Novel balanced-type mechanical sealing composite structure of rotor pump |
| CN108087559A (en) * | 2018-01-17 | 2018-05-29 | 中国船舶重工集团公司第七〇四研究所 | PODDED PROPULSOR stern sealing device |
| CN115013090A (en) * | 2022-07-06 | 2022-09-06 | 四川航天中天动力装备有限责任公司 | Air bleeding mechanism for turbine engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1815096A (en) * | 1928-02-18 | 1931-07-21 | Cedervall Carl Wilhelm | Stuffing box for ships' propeller shafts |
| US5501471A (en) * | 1992-06-11 | 1996-03-26 | Nippon Pillar Packing Co., Ltd. | Mechanical seal with blade-like sealing end |
| CN1285301A (en) * | 2000-09-29 | 2001-02-28 | 成都明达船用密封有限公司 | Oil lubricating seal device for ship tail shaft |
| CN2547636Y (en) * | 2002-04-26 | 2003-04-30 | 四川明达船用密封有限公司 | Ship stern shaft anti-fish net oil-lubricating sealing device |
| CN201065937Y (en) * | 2007-06-21 | 2008-05-28 | 丹东克隆集团有限责任公司 | Radial double end-face mechanical sealing device |
| CN202768857U (en) * | 2012-09-19 | 2013-03-06 | 江苏华青流体科技有限公司 | Rear shaft sealing device with integral movable ring |
-
2012
- 2012-09-19 CN CN2012103481362A patent/CN102829188A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1815096A (en) * | 1928-02-18 | 1931-07-21 | Cedervall Carl Wilhelm | Stuffing box for ships' propeller shafts |
| US5501471A (en) * | 1992-06-11 | 1996-03-26 | Nippon Pillar Packing Co., Ltd. | Mechanical seal with blade-like sealing end |
| CN1285301A (en) * | 2000-09-29 | 2001-02-28 | 成都明达船用密封有限公司 | Oil lubricating seal device for ship tail shaft |
| CN2547636Y (en) * | 2002-04-26 | 2003-04-30 | 四川明达船用密封有限公司 | Ship stern shaft anti-fish net oil-lubricating sealing device |
| CN201065937Y (en) * | 2007-06-21 | 2008-05-28 | 丹东克隆集团有限责任公司 | Radial double end-face mechanical sealing device |
| CN202768857U (en) * | 2012-09-19 | 2013-03-06 | 江苏华青流体科技有限公司 | Rear shaft sealing device with integral movable ring |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174647A (en) * | 2013-04-11 | 2013-06-26 | 浙江力高泵业科技有限公司 | Novel balanced-type mechanical sealing composite structure of rotor pump |
| CN103174647B (en) * | 2013-04-11 | 2016-01-20 | 浙江力高泵业科技有限公司 | A kind of balance type rotor pump mechanical seal composite structure |
| CN108087559A (en) * | 2018-01-17 | 2018-05-29 | 中国船舶重工集团公司第七〇四研究所 | PODDED PROPULSOR stern sealing device |
| CN108087559B (en) * | 2018-01-17 | 2023-06-02 | 中国船舶重工集团公司第七〇四研究所 | Stern sealing device for nacelle propeller |
| CN115013090A (en) * | 2022-07-06 | 2022-09-06 | 四川航天中天动力装备有限责任公司 | Air bleeding mechanism for turbine engine |
| CN115013090B (en) * | 2022-07-06 | 2023-04-07 | 四川航天中天动力装备有限责任公司 | Air bleeding mechanism for turbine engine |
| WO2024007460A1 (en) * | 2022-07-06 | 2024-01-11 | 四川航天中天动力装备有限责任公司 | Air-bleed mechanism for turbine engine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121219 |