CN102829187A - Rear shaft sealing device provided with Hough moveable ring - Google Patents
Rear shaft sealing device provided with Hough moveable ring Download PDFInfo
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- CN102829187A CN102829187A CN201210347988XA CN201210347988A CN102829187A CN 102829187 A CN102829187 A CN 102829187A CN 201210347988X A CN201210347988X A CN 201210347988XA CN 201210347988 A CN201210347988 A CN 201210347988A CN 102829187 A CN102829187 A CN 102829187A
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- ring
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- rotating ring
- stationary
- moveable
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Abstract
The invention discloses a rear shaft sealing device provided with a Hough moveable ring. The rear shaft sealing device provided with the Hough moveable ring comprises a moveable ring shell, a moveable ring installed in the moveable ring shell, a stationary ring shell and a stationary ring installed in the stationary ring shell. The moveable ring is in frictional match with the stationary ring. A spring and a propelling nail are arranged between the moveable ring shell and the moveable ring. A screw is installed between the propelling nail and the moveable ring to fixedly hold the propelling nail and the moveable ring. The stationary ring shell, the moveable ring and the moveable ring shell are of Hough structures. A filler ring is arranged between the moveable ring shell and the moveable ring. A filler is arranged between the filler ring and the moveable ring shell. The moveable ring shell is provided with an air releasing channel which is internally provided with an air releasing screw. A frictional ring piece is casted in the moveable ring. The stationary ring is provided with a bonding surface bonded with the moveable ring. The frictional ring piece is provided with a sealing dam in frictional match with the bonding surface, and the sealing dam is a bevel which is arranged at 2-5 degrees. The shaft sealing device provided by the invention is more convenient to change and maintain, therefore, not only is the maintenance time shortened, but also the maintenance efficiency 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 Hough formula 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; Yet in actual use, people can find following problem: 1, because sealing plant for oil-lubricating tail-shaft is all-in-one-piece, when device uses certain time limit or damage parts; When replacing, maintenance sealing plant for oil-lubricating tail-shaft; Need lay down stern rudder and propeller, increase maintenance man's workload greatly, also reduce maintenance efficiency simultaneously; 2, after device uses certain time limit, find that the sealability between rotating ring and the stationary ring reduces.
Therefore, be necessary to provide a kind of rear shaft seal device that solves the problems of the technologies described above with Hough formula rotating ring.
Summary of the invention
A technical problem to be solved by this invention is: provide a kind of sealability the rear shaft seal device with Hough formula rotating ring better, easy to maintenance.
For solving the problems of the technologies described above, the present invention adopts following technological scheme: a kind of rear shaft seal device with Hough formula 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 and stationary ring frictional fit are provided with spring and advance nail between said rotating ring shell and the rotating ring, between said propelling nail and the rotating ring through the rigging screw fixing; Be provided with several O type circles between said stationary ring and the stationary ring shell, said stationary ring shell, rotating ring, rotating ring shell are Hough formula structure, and said stationary ring shell is through stationary ring shell screw; Said rotating ring is through the rotating ring screw; Said rotating ring shell is provided with packing ring through rotating ring shell screw between said rotating ring and the rotating ring shell, is provided with filler between said packing ring and the rotating ring shell; Pass through the backing-up screw fixing between said packing ring and the rotating ring shell; Said rotating ring shell is provided with bleed passage, is provided with bleed screw in the said bleed passage, is 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, in above-mentioned rear shaft seal device, also be provided with anti-fishing net device, pass through lock washer screw fixing between said anti-fishing net device and the stationary ring shell.
Preferably, in above-mentioned rear shaft seal device, said friction ring plate is processed by Hastelloy.
Beneficial effect of the present invention: the present invention is through all being arranged to Hough formula structure with stationary ring shell, rotating ring, rotating ring shell, thereby makes the replacing of gland seal device and maintenance become simply, not only shortened engineering time, also improved maintenance efficiency.Be provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam through said friction ring plate in addition and be 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 Hough formula 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, stationary ring shell screw, 10, the rotating ring screw, 11, rotating ring shell screw, 12, packing ring; 13, filler, 14, backing-up screw, 15, bleed passage, 16, bleed screw, 17, the friction ring plate; 18, mating face, 19, anti-fishing net device, 20, the lock washer screw, 21, the sealing dam, 22, 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 Hough formula rotating ring comprises: 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 2 and stationary ring 4 frictional fit are provided with spring 5 and advance nail 6 between said rotating ring shell 1 and the rotating ring 2, said propelling follow closely 6 and rotating ring 2 between through rigging screw 7 fixings; Be provided with several O type circles 8 between said stationary ring 4 and the stationary ring shell 3; Said stationary ring shell 3, rotating ring 2, rotating ring shell 1 are Hough formula structure (being the subdivision structure), and said stationary ring shell 3 is fixing through stationary ring shell screw 9, and said rotating ring 2 is fixing through rotating ring screw 10; Said rotating ring shell 1 is fixing through rotating ring shell screw 11; Be provided with packing ring 12 between said rotating ring 2 and the rotating ring shell 1, be provided with filler 13 between said packing ring 12 and the rotating ring shell 1, pass through backing-up screw 14 fixings between said packing ring 12 and the rotating ring shell 1; Said rotating ring shell 1 is provided with bleed passage 15; Be provided with bleed screw 16 in the said bleed passage 15, open bleed screw 16 gas of sealing the inside of can draining, thereby be full of sealed inside to oil.Be cast with friction ring plate 17 in the said rotating ring 2, said stationary ring 4 is provided with and rotating ring 2 engagement surface 18, and said friction ring plate 17 is provided with the sealing dam 21 of mating face 18 frictional fit of stationary ring 4 and with sealing dam 21 and is the inclined-plane 22 of 2 °～5 ° of settings.Said rear shaft seal device also is provided with anti-fishing net device 19, passes through lock washer screw 20 fixings between said anti-fishing net device 19 and the stationary ring shell 3.Said friction ring plate 17 is processed by Hastelloy.
The present invention is through all being arranged to Hough formula structure with stationary ring shell 3, rotating ring 2, rotating ring shell 1, thereby makes the replacing of gland seal device and maintenance become simply, not only shortened engineering time, also improved maintenance efficiency.Be provided with the sealing dam 21 of mating face 18 frictional fit of stationary ring 4 and with the sealing dam through said friction ring plate 17 in addition and be the inclined-plane 22 of 2 °～5 ° of settings; Thereby make stationary ring 4 and rub ring plate 17 in the process of friction; The area on sealing dam 21 constantly increases, thereby has improved the sealability between rotating ring 2 and the stationary ring 4.
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 Hough formula 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 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; Said stationary ring shell, rotating ring, rotating ring shell are Hough formula structure; Said stationary ring shell is through stationary ring shell screw, and said rotating ring is through the rotating ring screw, and said rotating ring shell is through rotating ring shell screw; 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 Hough formula 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 Hough formula 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 |
|---|---|---|---|
| CN201210347988XA CN102829187A (en) | 2012-09-19 | 2012-09-19 | Rear shaft sealing device provided with Hough moveable ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210347988XA CN102829187A (en) | 2012-09-19 | 2012-09-19 | Rear shaft sealing device provided with Hough moveable ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102829187A true CN102829187A (en) | 2012-12-19 |
Family
ID=47332423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210347988XA Pending CN102829187A (en) | 2012-09-19 | 2012-09-19 | Rear shaft sealing device provided with Hough moveable ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102829187A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108368939A (en) * | 2015-11-30 | 2018-08-03 | 瓦锡兰斯万霍有限公司 | Static shaft sealer |
| CN111677864A (en) * | 2020-06-28 | 2020-09-18 | 南京林业大学 | Split type mechanical seal and sealing method for split contact interface thereof |
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 |
| CN102619983A (en) * | 2012-03-31 | 2012-08-01 | 无锡市东舟船舶附件有限公司 | High-pressure-resistant water-lubrication rudder system sealing device with sealing parts replaceable on site |
| CN202768855U (en) * | 2012-09-19 | 2013-03-06 | 江苏华青流体科技有限公司 | Front shaft sealing device with half type movable ring |
-
2012
- 2012-09-19 CN CN201210347988XA patent/CN102829187A/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 |
| CN102619983A (en) * | 2012-03-31 | 2012-08-01 | 无锡市东舟船舶附件有限公司 | High-pressure-resistant water-lubrication rudder system sealing device with sealing parts replaceable on site |
| CN202768855U (en) * | 2012-09-19 | 2013-03-06 | 江苏华青流体科技有限公司 | Front shaft sealing device with half type movable ring |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108368939A (en) * | 2015-11-30 | 2018-08-03 | 瓦锡兰斯万霍有限公司 | Static shaft sealer |
| CN108368939B (en) * | 2015-11-30 | 2020-12-04 | 瓦锡兰斯万霍有限公司 | Static shaft sealing device |
| CN111677864A (en) * | 2020-06-28 | 2020-09-18 | 南京林业大学 | Split type mechanical seal and sealing method for split contact interface thereof |
| CN111677864B (en) * | 2020-06-28 | 2022-04-19 | 南京林业大学 | Split type mechanical seal and sealing method for split contact interface thereof |
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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 |