CN201516918U - Anti-silt type adjustable pitch propeller - Google Patents
Anti-silt type adjustable pitch propeller Download PDFInfo
- Publication number
- CN201516918U CN201516918U CN2009202282740U CN200920228274U CN201516918U CN 201516918 U CN201516918 U CN 201516918U CN 2009202282740 U CN2009202282740 U CN 2009202282740U CN 200920228274 U CN200920228274 U CN 200920228274U CN 201516918 U CN201516918 U CN 201516918U
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- ring
- blade
- sand
- pitch propeller
- blade flange
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Abstract
An anti-silt type adjustable pitch propeller belongs to the technical field of vessels and comprises a propeller hub (1) and a blade flange (2), wherein a sealing groove (7) is formed at the joint of the propeller hub (1) and the blade flange (2), and a blade sealing ring (4) is mounted at the joint of the propeller hub (1) and the blade flange (2); and the anti-silt type adjustable pitch propeller is characterized in that a standproof check ring (5) is also arranged on one side of a port corresponding to the blade flange (2) in the sealing groove (7). The anti-silt type pitch propeller has the advantages of simple structure, convenient installation and maintenance, low cost, convenient manufacture; and even if silts access to the standproof check ring (5), no abrasion can be brought to the blade flange (2) and the sealing ring (4), so that the service life of the blade flange (2) and the sealing ring (4) is greatly prolonged.
Description
Technical field
The utility model relates to a kind of tuning for Controllable Pitch Propeller, is a kind of sand and mud proof tuning for Controllable Pitch Propeller specifically.
Background technology
The blade of tuning for Controllable Pitch Propeller is connected with the propeller hub assembly with pin by bolt at present, the blade seal ring sealing that is installed on the propeller hub body is adopted in sealing between blade flange and the propeller hub usually, but when the tuning for Controllable Pitch Propeller of boats and ships operates in the waters that silt content is bigger in the water, especially for dredger, silt in the water is easy to enter into the space between blade flange and the propeller hub body, tuning for Controllable Pitch Propeller blade when displacement can rotate relative to propeller hub, because the silt friction, blade flange bottom and blade seal ring are easy to damage.
Referring to Fig. 1, sealing in the existing tuning for Controllable Pitch Propeller between propeller hub 1 and the blade flange 2 is in the following ways: the shape according to blade seal ring 4 on propeller hub 1 has seal groove, just will finish the sealing to propeller hub 1 and blade flange 2 after blade seal ring 4 is installed in the seal groove.This blade seal ring 4 can play certain sealing effectiveness, but when tuning for Controllable Pitch Propeller operates in the bigger waters of silt content, silt is easy to enter into above the blade seal ring 4, when 2 rotations of blade flange, can quicken the wearing and tearing of blade seal ring 4 and blade flange 2, and the amount of compression of tuning for Controllable Pitch Propeller is bigger mostly, is easy to cause the leakage of hydraulic oil and scrapping in advance of blade flange.
Summary of the invention
The purpose of this utility model is to overcome defective and the deficiency that enters silt easily between the blade flange of tuning for Controllable Pitch Propeller in the prior art and the blade seal ring, provides a kind of simple in structure, the sand and mud proof tuning for Controllable Pitch Propeller of easy for installation and good sealing effect.
For achieving the above object, technical solution of the present utility model is: the sand and mud proof tuning for Controllable Pitch Propeller, comprise propeller hub and blade flange, have seal groove and the blade seal ring is housed at propeller hub and blade flange joint portion, port one side of corresponding blade flange also is provided with the sand prevention back-up ring in the described seal groove.
The port of corresponding blade flange is provided with " V " type lip limit on the described sand prevention back-up ring.
Described sand prevention back-up ring adopts government rubber to make.
The below of described sand prevention back-up ring is provided with retainer.
Described retainer adopts polytetrafluoroethylene ring to make, and retainer and sand prevention back-up ring are integral with sealant is bonding.
One side of described sand prevention back-up ring and retainer is bonded in sealant on the cell wall of seal groove, and the opposite side of sand prevention back-up ring and retainer contacts with the blade seal ring.
Make and the cooresponding circular arc of blade seal ring with outer towards a side of blade seal ring on the described retainer.
The beneficial effects of the utility model are:
1. the utility model efficiently solves the deficiency that is easy to immerse silt in the blade flange of traditional tuning for Controllable Pitch Propeller and the space between the blade seal ring, be provided with the sand prevention back-up ring one at the blade sealable outer, sand prevention back-up ring and blade seal ring are used, and actv. has stopped entering of silt.
2. the utility model is simple in structure, is convenient to installation and maintenance, and the sand prevention back-up ring of being set up is cheap, easily manufactured, even there is silt to enter into sand prevention back-up ring place, can not cause wearing and tearing to blade flange and blade seal ring yet, prolonged the service life of blade flange and blade seal ring greatly.
Description of drawings
Fig. 1 is the sealed structural representation of existing tuning for Controllable Pitch Propeller;
Fig. 2 is the sealed structural representation of the utility model tuning for Controllable Pitch Propeller.
Among the figure: propeller hub 1, blade flange 2, retainer 3, blade seal ring 4, sand prevention back-up ring 5, " V " type lip limit 6, seal groove 7.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is described in further detail:
Referring to Fig. 2, sand and mud proof tuning for Controllable Pitch Propeller of the present utility model comprises propeller hub 1 and blade flange 2, has seal groove 7 and blade seal ring 4 is housed at propeller hub 1 and blade flange 2 joint portions, port one side of corresponding blade flange 2 also is provided with sand prevention back-up ring 5 in the described seal groove 7
Existing blade seal ring 4 is installed in the seal groove 7 on the propeller hub 1, and its effect is to prevent from entering of silt from also will prevent the hydraulic fluid leak in the propeller hub 1 simultaneously.Sand prevention back-up ring 5 of the present utility model is arranged on a side of close blade flange 2 ports in the seal groove 7, and nestle up blade seal ring 4, sand prevention back-up ring 5 is used with blade seal ring 4, make the silt of blade flange 2 ports be blocked in the outside of sand prevention back-up ring 5, can not enter among the contact surface of blade seal ring 4 and blade flange 2, thereby effectively avoid the friction of silt blade seal ring 4 and blade flange 2.
The port of corresponding blade flange 2 is provided with " V " type lip limit 6 on the described sand prevention back-up ring 5.The limit of 6 upper ends, " V " type lip limit and the inwall of blade flange 4 fit tightly, the limit of its side and the sidewall of seal groove 7 fit tightly, and be adhesively fixed with sealant, silt is after the port of blade flange 2 enters " V " type lip limit 6, can rest on the bottom land on " V " type lip limit 6, be difficult to enter the inner space of seal groove 7.The advantage of " V " type of employing lip limit pattern is: the pressure to blade flange section is less, even there is silt to enter, also can not cause wearing and tearing to blade flange 2, and dustproof effect is remarkable, also has the characteristics of wear-resisting and anti-marine corrosion simultaneously.
Described sand prevention back-up ring 5 can adopt with blade seal ring 4 identical materials such as government rubber and make, and the hardness of this material is lower, and is wear-resisting better with Corrosion Protection.
For improving the support strength and the sealing effectiveness of sand prevention back-up ring 5, can below described sand prevention back-up ring 5, be provided with retainer 3.Described retainer 3 adopts polytetrafluoroethylene ring to make, and sand prevention back-up ring 5 is arranged on retainer 3 tops, and is adjacent to blade flange 2, to form hermetically-sealed construction.The usefulness sealant is bonding is integral for retainer 3 and sand prevention back-up ring 5, and the hardness of comparing retainer 3 with sand prevention back-up ring 5 is higher, can play supporting role preferably to sand prevention back-up ring 5.
One side of described sand prevention back-up ring 5 and retainer 3 can also be bonded in sealant on the cell wall of seal groove 7, the opposite side of sand prevention back-up ring 5 and retainer 3 contacts with blade seal ring 4.
Make and the cooresponding circular arc of blade seal ring 4 cylindricals towards a side of blade seal ring 4 on the described retainer 3.Retainer 3 is fitted closely with blade seal ring 4 in seal groove 7, and sand prevention back-up ring 5 is played stable supporting role.
Claims (7)
1. sand and mud proof tuning for Controllable Pitch Propeller, comprise propeller hub (1) and blade flange (2), have seal groove (7) and blade seal ring (4) is housed at propeller hub (1) and blade flange (2) joint portion, it is characterized in that: port one side of corresponding blade flange (2) also is provided with sand prevention back-up ring (5) in the described seal groove (7).
2. sand and mud proof tuning for Controllable Pitch Propeller according to claim 1 is characterized in that: the port that described sand prevention back-up ring (5) is gone up corresponding blade flange (2) is provided with " V " type lip limit (6).
3. sand and mud proof tuning for Controllable Pitch Propeller according to claim 1 and 2 is characterized in that: described sand prevention back-up ring (5) adopts government rubber to make.
4. sand and mud proof tuning for Controllable Pitch Propeller according to claim 1 and 2 is characterized in that: the below of described sand prevention back-up ring (5) is provided with retainer (3).
5. sand and mud proof tuning for Controllable Pitch Propeller according to claim 4 is characterized in that: described retainer (3) adopts polytetrafluoroethylene ring to make, and retainer (3) is integral with sealant is bonding with sand prevention back-up ring (5).
6. sand and mud proof tuning for Controllable Pitch Propeller according to claim 4, it is characterized in that: a side of described sand prevention back-up ring (5) and retainer (3) is bonded in sealant on the cell wall of seal groove (7), and the opposite side of sand prevention back-up ring (5) and retainer (3) contacts with blade seal ring (4).
7. sand and mud proof tuning for Controllable Pitch Propeller according to claim 4 is characterized in that: described retainer (3) is gone up and is made and the cooresponding circular arc of blade seal ring (4) cylindrical towards a side of blade seal ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202282740U CN201516918U (en) | 2009-09-21 | 2009-09-21 | Anti-silt type adjustable pitch propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202282740U CN201516918U (en) | 2009-09-21 | 2009-09-21 | Anti-silt type adjustable pitch propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201516918U true CN201516918U (en) | 2010-06-30 |
Family
ID=42497637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202282740U Expired - Lifetime CN201516918U (en) | 2009-09-21 | 2009-09-21 | Anti-silt type adjustable pitch propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201516918U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612735A (en) * | 2013-11-01 | 2014-03-05 | 武汉船用机械有限责任公司 | Propeller device with adjustable pitch |
| KR101534652B1 (en) * | 2013-10-11 | 2015-07-27 | 주식회사 화승알앤에이 | Blade Seal Apparatus And Controllable Pitch Propellers Including The Same |
| WO2015183088A1 (en) * | 2014-05-28 | 2015-12-03 | Ihc Holland Ie B.V. | Gearbox for a dredging vessel |
| WO2016055146A3 (en) * | 2014-10-07 | 2017-01-05 | Caterpillar Propulsion Production Ab | Variable pitch propeller |
| CN109018269A (en) * | 2018-09-06 | 2018-12-18 | 中国船舶工业系统工程研究院 | A kind of propulsion device of the full electric drive underwater robot of big depth |
| CN112660353A (en) * | 2020-12-31 | 2021-04-16 | 天津中海油能源发展油田设施管理有限公司 | Novel marine adjustable oar propeller hub seal structure |
-
2009
- 2009-09-21 CN CN2009202282740U patent/CN201516918U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101534652B1 (en) * | 2013-10-11 | 2015-07-27 | 주식회사 화승알앤에이 | Blade Seal Apparatus And Controllable Pitch Propellers Including The Same |
| CN103612735A (en) * | 2013-11-01 | 2014-03-05 | 武汉船用机械有限责任公司 | Propeller device with adjustable pitch |
| CN103612735B (en) * | 2013-11-01 | 2017-01-11 | 武汉船用机械有限责任公司 | Propeller device with adjustable pitch |
| WO2015183088A1 (en) * | 2014-05-28 | 2015-12-03 | Ihc Holland Ie B.V. | Gearbox for a dredging vessel |
| US10677318B2 (en) | 2014-05-28 | 2020-06-09 | Ihc Holland Ie B.V. | Gearbox for a dredging vessel |
| WO2016055146A3 (en) * | 2014-10-07 | 2017-01-05 | Caterpillar Propulsion Production Ab | Variable pitch propeller |
| CN109018269A (en) * | 2018-09-06 | 2018-12-18 | 中国船舶工业系统工程研究院 | A kind of propulsion device of the full electric drive underwater robot of big depth |
| CN109018269B (en) * | 2018-09-06 | 2023-12-12 | 中国船舶工业系统工程研究院 | Propelling device of large-depth all-electric-drive underwater robot |
| CN112660353A (en) * | 2020-12-31 | 2021-04-16 | 天津中海油能源发展油田设施管理有限公司 | Novel marine adjustable oar propeller hub seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100630 |