CN204533463U - Ship's propeller oar axle sealing structure - Google Patents
Ship's propeller oar axle sealing structure Download PDFInfo
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- CN204533463U CN204533463U CN201520243825.6U CN201520243825U CN204533463U CN 204533463 U CN204533463 U CN 204533463U CN 201520243825 U CN201520243825 U CN 201520243825U CN 204533463 U CN204533463 U CN 204533463U
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Abstract
The utility model relates to ship's propeller oar axle sealing structure, seat ring and conical ring fix, conical ring is installed on gear housing, thermal spraying lining interference is on oar axle, four roads rotate the ceramic region that outside framework oil seal is installed on thermal spraying lining, rotate external diameter and the seat ring endoporus interference fit of outside framework oil seal, inner diameter seal lip contacts with the ceramic region of thermal spraying lining, the sealing lip of the outermost outside framework oil seal of rotation together outwardly, inner side rotate the sealing lip of outside framework oil seal inwardly together, middle twice rotate between outside framework oil seal and are provided with spacer ring, spacer ring and middle twice rotate outside framework oil seal, chamber is formed between thermal spraying lining, gear housing, conical ring, seat ring and the inside of spacer ring are provided with the gravity oil duct be connected, and connect with chamber, sealing member sheathing is on thermal spraying lining, the sealing lip of Sealing contacts with the vertical end face of cover plate.Gravity oil is full of gravity oil chamber by oil duct, prevents seawater from entering gear-box, avoids emulsification of lubricant.
Description
Technical field
The utility model relates to a kind of ship's propeller oar axle sealing structure, belongs to ship's propeller technical field.
Background technique
At present, the form that ship impeller underwater propeller shaft sealing adopts is: three road TC rotate outside framework oil seal and rotate on the lining of thermal spraying ceramic, oil seal lip and sleeve surface form film and seal, and wherein prevent oil leak together, and other two roads prevent seawater from entering gear-box inside.Existing structure, through practice test, effectively can play the seal action of liquid.
Although above-mentioned seal form can be good at stoping seawater enter gear-box and prevent gear-box lubrication leakage, if seal ring lost efficacy, emulsification of lubricant in whole gear-box will be made, cause lubricant oil to lose efficacy.At present, the propulsion device of single-blade power is developed to 4000kW, and every oar demand for lubricating oil amount is 3 ~ 4 tons, once oar Simmer ring lost efficacy, whole lubricant oil will be made to lose efficacy, need change whole lubricant oil, and cause huge waste economically.
Boats and ships are when using high-power rudder paddle navigation process, especially in the poor region of water quality, silt and booty enter outside framework oil seal position from the gap between conical ring and propeller hub body, destroy the sealing lip of outside framework oil seal, cause seal failure, cause in gear-box and intake or leakage of oil in gear-box.Thus finally causing the Powerpush Unit of boats and ships to lose efficacy, boats and ships cannot normally travel.
Model utility content
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of ship's propeller oar axle sealing structure.
The purpose of this utility model is achieved through the following technical solutions:
Ship's propeller oar axle sealing structure, feature is: comprise seat ring, spacer ring, cover plate, Sealing and rotation outside framework oil seal, seat ring is fixed by bolt and conical ring, conical ring is installed on gear housing, thermal spraying lining is set on oar axle by interference fit, four roads rotate the ceramic region that outside framework oil seal is installed on thermal spraying lining, rotate external diameter and the seat ring endoporus interference fit of outside framework oil seal, its inner diameter seal lip contacts with the ceramic region of thermal spraying lining, wherein, the sealing lip of the outermost outside framework oil seal of rotation together outwardly, inner side rotate the sealing lip of outside framework oil seal inwardly together, middle twice rotate between outside framework oil seal and are provided with spacer ring, its sealing lip is relative, spacer ring and middle twice rotate outside framework oil seal, chamber is formed between thermal spraying lining, along gear housing, conical ring, seat ring and the inside of spacer ring are provided with the gravity oil duct be connected, gravity oil duct and chamber connect, the filler opening of gravity oil duct is connected to gravity tank, cover plate is installed in the side end face of described seat ring, described Sealing is set on thermal spraying lining by interference fit, the sealing lip of Sealing contacts with the vertical end face of cover plate.
Further, above-mentioned ship's propeller oar axle sealing structure, wherein, described Sealing is TBR/9RB type Sealing.
Further, above-mentioned ship's propeller oar axle sealing structure, wherein, described rotation outside framework oil seal is TC lips encapsulate outside framework oil seal, is provided with the stiffening ring be made up of stainless steel spring outside its lip.
Further, above-mentioned ship's propeller oar axle sealing structure, wherein, described gear housing, conical ring, seat ring are provided with the inside of spacer ring the oil expulsion channel be connected, and oil expulsion channel and chamber connect, and the oil outlet of oil expulsion channel connects ball valve.
Further, above-mentioned ship's propeller oar axle sealing structure, wherein, the fitting surface of described conical ring and gear-box is provided with seal groove, inlays seal ring in seal groove.
Further, above-mentioned ship's propeller oar axle sealing structure, wherein, the fitting surface of described seat ring and conical ring is provided with seal groove, inlays seal ring in seal groove.
Again further, above-mentioned ship's propeller oar axle sealing structure, wherein, the fitting surface of described thermal spraying lining and oar axle is provided with seal groove, inlays seal ring in seal groove.
Again further, above-mentioned ship's propeller oar axle sealing structure, wherein, described gravity tank is installed on waterline more than 2 meters positions.
Again further, above-mentioned ship's propeller oar axle sealing structure, wherein, in described gravity oil duct, the pressure of gravity oil is greater than seawater pressure.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significant progress are mainly reflected in:
1. rotation outside framework oil seal in the utility model four road is positioned on the thermal spraying lining of rotation, is contacted, play effective seal action by the ceramic region of seal lip with thermal spraying lining; The sealing lip of the outermost outside framework oil seal of rotation together outwardly, stop entering of water, inner side rotate the sealing lip of outside framework oil seal inwardly together, stop outside leakage of oil, middle twice rotate between outside framework oil seal and spacer ring, thermal spraying lining and form gravity oil chamber, even if first road waterproof sealing leaks, in gravity tank, gravity oil is full of gravity oil chamber by oil duct, prevent seawater from entering gear-box, avoid emulsification of lubricant;
2. Sealing has good dynamic sealing performance, effectively prevents entering of solid particle, protection outside framework oil seal, with thermal spraying lining interference fit, without the need to axially locating, easy for installation;
3. drain the oil by ball valve and carry out detection judgement, regularly monitor, Timeliness coverage problem; During ship's navigation, as occurred, waterproof sealing lost efficacy, and a whole set of advancing means can be protected to continue to use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: structural representation of the present utility model.
Embodiment
As shown in Figure 1, ship's propeller oar axle sealing structure, comprise seat ring 11, spacer ring 10, cover plate 8, Sealing 7 and rotation outside framework oil seal 9, Sealing 7 is TBR/9RB type Sealing, rotating outside framework oil seal 9 is TC lips encapsulate outside framework oil seal, the stiffening ring be made up of stainless steel spring is provided with outside its lip, seat ring 11 is fixed by bolt and conical ring 2, conical ring 2 is installed on gear housing 1, thermal spraying lining 6 is set on oar axle 4 by interference fit, oar axle 4 is rotatably freely supported on gear housing 1 by bearing 5, four roads rotate the ceramic region that outside framework oil seal is installed on thermal spraying lining 6, rotate the external diameter of outside framework oil seal 9 and the endoporus interference fit of seat ring 11, its inner diameter seal lip contacts with the ceramic region of thermal spraying lining 6, wherein, the sealing lip of the outermost outside framework oil seal of rotation together outwardly, inner side rotate the sealing lip of outside framework oil seal inwardly together, middle twice rotate between outside framework oil seal and are provided with spacer ring 10, its sealing lip is relative, spacer ring 10 and middle twice rotate outside framework oil seal, chamber is formed between thermal spraying lining 6, along gear housing 1, conical ring 2, seat ring 11 and the inside of spacer ring 10 are provided with the gravity oil duct 13 be connected, gravity oil duct 13 and chamber connect, the filler opening 12 of gravity oil duct is connected to gravity tank, gravity tank is installed on waterline more than 2 meters positions, in gravity oil duct, the pressure of gravity oil is greater than seawater pressure, gear housing 1, conical ring 2, seat ring 11 are also provided with the inside of spacer ring 10 oil expulsion channel be connected, and oil expulsion channel and chamber connect, and the oil outlet 14 of oil expulsion channel connects ball valve, cover plate 8 is installed in the side end face of seat ring 11, and Sealing 7 is set on thermal spraying lining 6 by interference fit, and the sealing lip of Sealing 7 contacts with the vertical end face of cover plate 8.
Conical ring 2 is provided with seal groove with the fitting surface of gear-box 1, inlays seal ring in seal groove; Seat ring 11 is provided with seal groove with the fitting surface of conical ring 2, inlays seal ring in seal groove; Thermal spraying lining 6 is provided with seal groove with the fitting surface of oar axle 4, inlays seal ring in seal groove.Propeller hub body 3 is installed on oar axle 4, is provided with seal groove, inlays seal ring in seal groove with the fitting surface of thermal spraying lining 6.
During work, screw shaft 4 rotates, and drive blade to rotate, thus produce thrust, promote vessel motion, thermal spraying lining 6 and oar axle 4 are interference fit, then the two is as one, rotates simultaneously.Four roads rotate outside framework oil seal 9 and are positioned on the thermal spraying lining 6 of rotation, contacted, play effective seal action by the ceramic region of seal lip with thermal spraying lining 6.Wherein, the outermost sealing lip rotating together outside framework oil seal, stops entering of water outwardly, inner side rotate the sealing lip of outside framework oil seal inwardly together, stop outside leakage of oil.Sealing 7 prevents sand grain or hard object from entering rotation outside framework oil seal 9, protection lip.Gravity tank is arranged on waterline more than 2 meters positions, certain pressure is formed to gravity oil, gravity oil pressure is greater than seawater pressure, even if after one waterproof sealing lost efficacy, due to the effect of gravity oil, seawater can be stoped to enter gear-box, prevent emulsification of lubricating oils in gear-box, prevent the inefficacy of motivation package system simultaneously.After system cloud gray model a period of time, open ball valve in cabin, discharge oil, if there is oily emulsion, then illustrate that waterproof sealing damages, and need carry out maintain and replace, if there is no oil emulsion phenomenon, illustrate that sealing is intact, close ball valve, gravity tank is added to oil level set point, can continue to use.
Sealing 7 is TBR/9RB type Sealing, impurity effectively can be avoided to enter and rotate outside framework oil seal 9.Sealing 7 adopts slight interference to coordinate with thermal spraying lining 6, namely rotate together with thermal spraying lining 6, oar axle 4, now, gap is there is not between Sealing 7 and thermal spraying lining 6, the seal lip of Sealing 7 and the vertical end contact of cover plate 8, during Sealing 7 rotates, lip friction sealed under a certain pressure, thus play the seal action in this face.
Sealing 7 prevents foreign matter from entering outside framework oil seal, protection oil seal lip; When first road waterproof sealing leaks, in gravity tank, gravity oil is full of chamber by oil duct, prevents seawater from entering gear-box, avoids emulsification of lubricant, drains the oil simultaneously carry out detection judgement by ball valve.Under waterproof sealing failure conditions, can find the very first time, prevent emulsification of lubricant and finally cause motivation package advancing means to lose efficacy.
Sealing TBP/9RBDE has good dynamic sealing performance, effectively prevents entering of solid particle, protection outside framework oil seal, with thermal spraying lining 6 interference fit, without the need to axially locating, easy for installation.
TC lips encapsulate outside framework oil seal designs for double-lip, and lip place adds stainless steel spring, adapts to briny environment, has low coefficient of friction characteristic, can bear certain pressure.
This structure can after the assembling of Sealing producer, and the overall supply of material, to applying unit, avoids the infringement that secondary assembling causes Sealing.Sealing is to the bias in oar axle and hole and beat less demanding.Easy for installation, special-less process requirement.During ship's navigation, as occurred, waterproof sealing lost efficacy, and a whole set of advancing means can be protected to continue to use, and in protection gear-box, lubricant oil is not emulsified.Can regularly monitor, Timeliness coverage problem.
It is to be understood that: the above is only preferred implementation of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. ship's propeller oar axle sealing structure, it is characterized in that: comprise seat ring, spacer ring, cover plate, Sealing and rotation outside framework oil seal, seat ring is fixed by bolt and conical ring, conical ring is installed on gear housing, thermal spraying lining is set on oar axle by interference fit, four roads rotate the ceramic region that outside framework oil seal is installed on thermal spraying lining, rotate external diameter and the seat ring endoporus interference fit of outside framework oil seal, its inner diameter seal lip contacts with the ceramic region of thermal spraying lining, wherein, the sealing lip of the outermost outside framework oil seal of rotation together outwardly, inner side rotate the sealing lip of outside framework oil seal inwardly together, middle twice rotate between outside framework oil seal and are provided with spacer ring, its sealing lip is relative, spacer ring and middle twice rotate outside framework oil seal, chamber is formed between thermal spraying lining, along gear housing, conical ring, seat ring and the inside of spacer ring are provided with the gravity oil duct be connected, gravity oil duct and chamber connect, the filler opening of gravity oil duct is connected to gravity tank, cover plate is installed in the side end face of described seat ring, described Sealing is set on thermal spraying lining by interference fit, the sealing lip of Sealing contacts with the vertical end face of cover plate.
2. ship's propeller oar axle sealing structure according to claim 1, is characterized in that: described Sealing is TBR/9RB type Sealing.
3. ship's propeller oar axle sealing structure according to claim 1, is characterized in that: described rotation outside framework oil seal is TC lips encapsulate outside framework oil seal, is provided with the stiffening ring be made up of stainless steel spring outside its lip.
4. ship's propeller oar axle sealing structure according to claim 1, it is characterized in that: described gear housing, conical ring, seat ring are provided with the inside of spacer ring the oil expulsion channel be connected, oil expulsion channel and chamber connect, and the oil outlet of oil expulsion channel connects ball valve.
5. ship's propeller oar axle sealing structure according to claim 1, is characterized in that: the fitting surface of described conical ring and gear-box is provided with seal groove, inlays seal ring in seal groove.
6. ship's propeller oar axle sealing structure according to claim 1, is characterized in that: the fitting surface of described seat ring and conical ring is provided with seal groove, inlays seal ring in seal groove.
7. ship's propeller oar axle sealing structure according to claim 1, is characterized in that: the fitting surface of described thermal spraying lining and oar axle is provided with seal groove, inlays seal ring in seal groove.
8. ship's propeller oar axle sealing structure according to claim 1, is characterized in that: described gravity tank is installed on waterline more than 2 meters positions.
9. ship's propeller oar axle sealing structure according to claim 1, is characterized in that: in described gravity oil duct, the pressure of gravity oil is greater than seawater pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520243825.6U CN204533463U (en) | 2015-04-21 | 2015-04-21 | Ship's propeller oar axle sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520243825.6U CN204533463U (en) | 2015-04-21 | 2015-04-21 | Ship's propeller oar axle sealing structure |
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| CN204533463U true CN204533463U (en) | 2015-08-05 |
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| CN201520243825.6U Active CN204533463U (en) | 2015-04-21 | 2015-04-21 | Ship's propeller oar axle sealing structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806736A (en) * | 2015-04-21 | 2015-07-29 | 苏州船用动力系统股份有限公司 | Propeller shaft sealing structure of ship propeller |
| CN109050861A (en) * | 2018-09-01 | 2018-12-21 | 哈尔滨工程大学 | A kind of vibration damping paddle shaft peculiar to vessel |
| CN109519543A (en) * | 2018-12-29 | 2019-03-26 | 武昌船舶重工集团有限公司 | A kind of swing type hydraulic machine |
| CN110131316A (en) * | 2019-05-13 | 2019-08-16 | 江苏九九久科技有限公司 | The method for improving liquid lower bearing service life |
-
2015
- 2015-04-21 CN CN201520243825.6U patent/CN204533463U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806736A (en) * | 2015-04-21 | 2015-07-29 | 苏州船用动力系统股份有限公司 | Propeller shaft sealing structure of ship propeller |
| CN109050861A (en) * | 2018-09-01 | 2018-12-21 | 哈尔滨工程大学 | A kind of vibration damping paddle shaft peculiar to vessel |
| CN109050861B (en) * | 2018-09-01 | 2020-07-28 | 哈尔滨工程大学 | Marine damping propeller shaft |
| CN109519543A (en) * | 2018-12-29 | 2019-03-26 | 武昌船舶重工集团有限公司 | A kind of swing type hydraulic machine |
| CN110131316A (en) * | 2019-05-13 | 2019-08-16 | 江苏九九久科技有限公司 | The method for improving liquid lower bearing service life |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215126 Runsheng Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Jiangsu Xinhang Ship Technology Co.,Ltd. Address before: 215126 Runsheng Road, Suzhou Industrial Park, Jiangsu Province Patentee before: SMMC MARINE DRIVE SYSTEMS (SUZHOU) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |