CN202768855U - Front shaft sealing device with half type movable ring - Google Patents
Front shaft sealing device with half type movable ring Download PDFInfo
- Publication number
- CN202768855U CN202768855U CN 201220477628 CN201220477628U CN202768855U CN 202768855 U CN202768855 U CN 202768855U CN 201220477628 CN201220477628 CN 201220477628 CN 201220477628 U CN201220477628 U CN 201220477628U CN 202768855 U CN202768855 U CN 202768855U
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- Prior art keywords
- ring
- rotating ring
- shell
- contact pin
- stationary
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- Expired - Fee Related
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Abstract
The utility model discloses a front shaft sealing device with a half type movable ring. The front shaft sealing device with the half type movable ring comprises a moveable ring shell, a moveable ring installed inside the moveable ring shell, a stationary ring shell and a stationary ring installed inside the stationary ring shell. The moveable ring is in frictional fit with the stationary ring. A spring and a propelling nail are arranged between the moveable ring shell and the moveable ring. The propelling nail and the moveable ring are fixedly held through an assembling screw. The stationary ring shell, the moveable ring and the moveable ring shell are of half type structures. A packing ring is arranged between the moveable ring shell and the moveable ring. Packing is arranged between the packing ring and the moveable ring shell. A steel tower connecting piece is arranged at one end of the movable ring shell. A steel tower connecting piece installation seat is arranged at one end of the steel tower connecting piece. A plurality of fastening screws which are pressed against the steel tower connecting piece are arranged inside the steel tower connecting piece installation seat. A frictional ring piece is arranged inside the movable ring. The stationary ring is provided with a joint surface which is in joint with the movable ring. The frictional ring piece is provided with a sealing dam and an inclined surface, wherein the sealing dam is in frictional fit with the joint surface of the stationary ring, and the included angle between the sealing dam and the inclined surface ranges from 2 degrees to 5 degrees. Therefore, the sealing performance between the movable ring and the stationary ring is improved.
Description
Technical field
The utility model relates to a kind of gland seal device, relates in particular to a kind of front gland seal device with Hafu-type rotating ring.
Background technique
Boats and ships are fastened used stern shaft seal gland at home at present, the most commonly used is a kind of, it is sealing plant for oil-lubricating tail-shaft, sealing plant for oil-lubricating tail-shaft, with compact structure, power loss is little, lubricating oil is revealed the advantages such as few, be subject to vast welcome with ship unit, described sealing plant for oil-lubricating tail-shaft generally comprises: the rotating ring shell, be installed on the rotating ring in the rotating ring shell, stationary ring shell and be installed on stationary ring in the stationary ring shell, described stationary ring and rotating ring frictional fit, be cast with the friction ring plate in the described rotating ring, described stationary ring is provided with the mating face that engages with rotating ring, described friction ring plate is provided with the sealing dam with the mating face frictional fit of stationary ring, and the inclined-plane that arranges 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.In addition in the prior art, 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, greatly increase maintenance man's workload, also reduced maintenance efficiency simultaneously.
Therefore, be necessary to provide a kind of front gland seal device with Hafu-type rotating ring that solves the problems of the technologies described above.
The model utility content
A technical problem to be solved in the utility model is: provide a kind of sealability the front gland seal device with Hafu-type rotating ring better, easy to maintenance.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: a kind of front gland seal device with Hafu-type rotating ring, comprise: the rotating ring shell, be installed on the rotating ring in the rotating ring shell, stationary ring shell and be installed on stationary ring in the stationary ring shell, described rotating ring and stationary ring frictional fit, be provided with spring between described rotating ring shell and the rotating ring and advance nail, between described propelling nail and the rotating ring by the rigging screw fixing, the end of described propelling nail is equipped with plug screw, be provided with several O type circles between described stationary ring and the stationary ring shell, described stationary ring, rotating ring, the rotating ring shell is the Hafu-type structure, described stationary ring is fixed by the stationary ring screw, described rotating ring is fixed by the rotating ring screw, described rotating ring shell is fixed by rotating ring shell screw, be provided with packing ring between described rotating ring and the rotating ring shell, be provided with filler between described packing ring and the rotating ring shell, pass through the backing-up screw fixing between described packing ring and the rotating ring shell, one end of described rotating ring shell is equipped with head tower contact pin, be provided with sealing O type circle between described head tower contact pin and the rotating ring shell, one end of described head tower contact pin is equipped with head tower contact pin fitting seat, described head tower contact pin and head tower contact pin fitting seat are the Hafu-type structure, described head tower contact pin is fixed by head tower contact pin bolt, described head tower contact pin fitting seat is fixed by head tower contact pin fitting seat bolt, be provided with the push-tight screw that several and head tower contact pin connect in the described head tower contact pin fitting seat, the water pipe adapter that is provided with bosh in the described stationary ring and communicates with bosh, be provided with the friction ring plate in the described rotating ring, described stationary ring is provided with the mating face that engages with rotating ring, and described 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 front gland seal device with Hafu-type rotating ring, described friction ring plate is made by Hastelloy.
The beneficial effects of the utility model: the utility model is by all being arranged to the Hafu-type structure with stationary ring, rotating ring, rotating ring shell, head tower contact pin and head tower contact pin fitting seat, thereby so that the replacing of gland seal device and maintenance become simple, not only shorten engineering time, also improved maintenance efficiency; The utility model is provided with the sealing dam of the mating face frictional fit of stationary ring and with the sealing dam by described friction ring plate and is the inclined-plane of 2 °～5 ° of settings in addition, 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 front gland seal device of Hafu-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, plug screw, 9, O type circle, 10, stationary ring screw, 11, the rotating ring screw, 12, rotating ring shell screw, 13, packing ring, 14, filler, 15, head tower contact pin, 16, head tower contact pin fitting seat, 17, head tower contact pin bolt, 18, head tower contact pin fitting seat bolt, 19, push-tight screw, 20, bosh, 21, water pipe adapter, 22, mating face, 23, sealing dam, 24, the friction ring plate, 25, backing-up screw, 26, sealing O type circle, 27, the inclined-plane.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
See also Fig. 1 and Fig. 2, a kind of front gland seal device with Hafu-type rotating ring, comprise: rotating ring shell 1, be installed on the rotating ring 2 in the rotating ring shell 1, stationary ring shell 3 and be installed on stationary ring 4 in the stationary ring shell 3, described rotating ring 2 and stationary ring 4 frictional fit, be provided with spring 5 between described rotating ring shell 1 and the rotating ring 2 and advance nail 6, between described propelling nail 6 and the rotating ring 2 by rigging screw 7 fixings, the end of described propelling nail 6 is equipped with plug screw 8, be provided with several O type circles 9 between described stationary ring 4 and the stationary ring shell 3, described stationary ring 4, rotating ring 2, rotating ring shell 1 is the Hafu-type structure, described stationary ring 4 is fixing by stationary ring screw 10, described rotating ring 2 is fixing by rotating ring screw 11, described rotating ring shell 1 is fixing by rotating ring shell screw 12, be provided with packing ring 13 between described rotating ring 2 and the rotating ring shell 1, be provided with filler 14 between described packing ring 13 and the rotating ring shell 1, pass through backing-up screw 25 fixings between described packing ring 13 and the rotating ring shell 1, one end of described rotating ring shell 1 is equipped with head tower contact pin 15, be provided with sealing O type circle 26 between described head tower contact pin 15 and the rotating ring shell 1, one end of described head tower contact pin 15 is equipped with head tower contact pin fitting seat 16, described head tower contact pin 15 and head tower contact pin fitting seat 16 are the Hafu-type structure, described head tower contact pin 15 is fixing by head tower contact pin bolt 17, described head tower contact pin fitting seat 16 is fixing by head tower contact pin fitting seat bolt 18, be provided with the push-tight screw 19 that several and head tower contact pin 15 connect in the described head tower contact pin fitting seat 16, by turning the installation dimension of push-tight screw 19 capable of regulating head tower contact pin 15, then pass through the decrement of the transmission capable of regulating spring 5 of head tower contact pin 15, and then the installation dimension of capable of regulating rotating ring 2.The water pipe adapter 21 that is provided with bosh 20 in the described stationary ring 4 and communicates with bosh 20, cooling water can enter in the bosh 20 by water pipe adapter 21, thereby gives stationary ring 4 coolings, improves sealability.Be provided with friction ring plate 24 in the described rotating ring 2, described stationary ring 4 is provided with the mating face 22 that engages with rotating ring 2, and described friction ring plate 24 is provided with the sealing dam 23 of mating face 22 frictional fit of stationary ring 4 and with sealing dam 23 and is the inclined-plane 27 of 2 °～5 ° of settings.
The utility model is by all being arranged to the Hafu-type structure with stationary ring 4, rotating ring 2, rotating ring shell 1, head tower contact pin 15 and head tower contact pin fitting seat 16, thereby so that the replacing of gland seal device and maintenance become simple, not only shorten engineering time, also improved maintenance efficiency; The utility model is provided with the sealing dam 23 of mating face 22 frictional fit of stationary ring 4 and with sealing dam 23 by described friction ring plate 24 and is the inclined-plane 27 of 2 °～5 ° of settings in addition, thereby make stationary ring 4 and rub ring plate 24 in the process of friction, the area on sealing dam 23 constantly increases, thereby has improved the sealability between rotating ring 2 and the stationary ring 4.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although with reference to previous embodiment the utility model is had been described in detail, for a person skilled in the art, it still can be made amendment to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. front gland seal device with Hafu-type rotating ring, comprise: the rotating ring shell, be installed on the rotating ring in the rotating ring shell, stationary ring shell and be installed on stationary ring in the stationary ring shell, it is characterized in that: described rotating ring and stationary ring frictional fit, be provided with spring between described rotating ring shell and the rotating ring and advance nail, between described propelling nail and the rotating ring by the rigging screw fixing, the end of described propelling nail is equipped with plug screw, be provided with several O type circles between described stationary ring and the stationary ring shell, described stationary ring, rotating ring, the rotating ring shell is the Hafu-type structure, described stationary ring is fixed by the stationary ring screw, described rotating ring is fixed by the rotating ring screw, described rotating ring shell is fixed by rotating ring shell screw, be provided with packing ring between described rotating ring and the rotating ring shell, be provided with filler between described packing ring and the rotating ring shell, pass through the backing-up screw fixing between described packing ring and the rotating ring shell, one end of described rotating ring shell is equipped with head tower contact pin, be provided with sealing O type circle between described head tower contact pin and the rotating ring shell, one end of described head tower contact pin is equipped with head tower contact pin fitting seat, described head tower contact pin and head tower contact pin fitting seat are the Hafu-type structure, described head tower contact pin is fixed by head tower contact pin bolt, described head tower contact pin fitting seat is fixed by head tower contact pin fitting seat bolt, be provided with the push-tight screw that several and head tower contact pin connect in the described head tower contact pin fitting seat, the water pipe adapter that is provided with bosh in the described stationary ring and communicates with bosh, be provided with the friction ring plate in the described rotating ring, described stationary ring is provided with the mating face that engages with rotating ring, and described 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 front gland seal device with Hafu-type rotating ring as claimed in claim 1, it is characterized in that: described friction ring plate is made by Hastelloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220477628 CN202768855U (en) | 2012-09-19 | 2012-09-19 | Front shaft sealing device with half type movable ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220477628 CN202768855U (en) | 2012-09-19 | 2012-09-19 | Front shaft sealing device with half type movable ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768855U true CN202768855U (en) | 2013-03-06 |
Family
ID=47775430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220477628 Expired - Fee Related CN202768855U (en) | 2012-09-19 | 2012-09-19 | Front shaft sealing device with half type movable ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829187A (en) * | 2012-09-19 | 2012-12-19 | 江苏华青流体科技有限公司 | Rear shaft sealing device provided with Hough moveable ring |
| CN102840333A (en) * | 2012-09-19 | 2012-12-26 | 江苏华青流体科技有限公司 | Front shaft seal device with half movable ring |
-
2012
- 2012-09-19 CN CN 201220477628 patent/CN202768855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829187A (en) * | 2012-09-19 | 2012-12-19 | 江苏华青流体科技有限公司 | Rear shaft sealing device provided with Hough moveable ring |
| CN102840333A (en) * | 2012-09-19 | 2012-12-26 | 江苏华青流体科技有限公司 | Front shaft seal device with half movable ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |