CN201818797U - Sealed installation structure of input short shaft of full rotary rudder - Google Patents
Sealed installation structure of input short shaft of full rotary rudder Download PDFInfo
- Publication number
- CN201818797U CN201818797U CN2010205806172U CN201020580617U CN201818797U CN 201818797 U CN201818797 U CN 201818797U CN 2010205806172 U CN2010205806172 U CN 2010205806172U CN 201020580617 U CN201020580617 U CN 201020580617U CN 201818797 U CN201818797 U CN 201818797U
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- Prior art keywords
- bearing
- input
- minor axis
- sealing flange
- sealing
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- Expired - Fee Related
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Abstract
The utility model relates to a sealed installation structure of an input short shaft of a full rotary rudder. The input short shaft is arranged inside an input bearing support through a bearing component. The utility model is characterized in that a first sealing flange is arranged at the rear part of the input bearing support, a shaft sleeve is sleeved on the input short shaft, the shaft sleeve is arranged in the central hole of the first sealing flange, the inner end of the shaft sleeve is propped against the bearing component, and an oil seal is formed between the first sealing flange and the shaft sleeve; and a second sealing flange is arranged at the rear part of the first sealing flange, a lubricating disc is sleeved on an input shaft, the lubricating disc is arranged in the central hole of the second sealing flange, the inner end of the lubricating disc is propped against the shaft sleeve, the outer end of the lubricating disc is fastened through a round nut, the disc surface of the lubricating disc is positioned inside a chamber between the first sealing flange and the second sealing flange, and a skeleton seal ring is arranged between the disc surface and the inner side surface of the second sealing flange. The utility model has an ingenious, compact and reasonable structure and can ensure power input to be stable and reliable.
Description
Technical field
The utility model relates to a kind of appurtenances of marine propulsion, specifically is a kind of input minor axis sealing mounting structure of Full Rotary rudder oar.
Background technique
Rudder and oar are the chief components of marine propuision system, and rudder is used to control the direct of travel of boats and ships, and oar provides Driving force for advancing of boats and ships.In the prior art, oar on the boats and ships and rudder are each self-separations, work in combination, there are following several shortcomings in the course of the work in it: the angle that (1), rudder rotate can not put in place in some cases fully, can't obtain maximum thrust and steerage, the maneuverability of boats and ships, mobility deficiency.(2) high-power, high-revolving rudder oar power transmission shaft ties up to the problems such as torsional vibration, rotary vibration and system's heating that exist in service, influences the working stability and the working life of drive line.(3) design of high-power, high strength spiral bevel gear, manufacturing require highly, accuracy requires high, the manufacture cost costliness.
Full Rotary rudder oar is a kind of novel marine propulsion, it replaces the propulsion mode of traditional rudder oar group shot in the mode of rudder oar unification, propelling screws can be around 360 ° of any direction revolutions of vertical axis with rudder oar body, each angle of revolution by the control propelling screws, can obtain omnibearing maximum thrust and steerage, make maneuverability, the mobility of boats and ships obtain to improve greatly.The input minor axis sealing mounting structure of Full Rotary rudder oar is the important component part of Full Rotary rudder oar, and it is used for from motor input power and is passed to next stage mechanism.For marine propulsion, flexibility, stability and sealing that the input minor axis rotates are most important.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of input minor axis sealing mounting structure of Full Rotary rudder oar is provided, and this input minor axis sealing mounting structure is ingenious, compact, reasonable, can guarantee that the power input is reliable and stable.
The technological scheme that provides according to the utility model: the input minor axis sealing mounting structure of Full Rotary rudder oar, comprise input minor axis and input shaft bearing, the input minor axis is contained in the input shaft bearing by bearing unit, input minor axis outer end is used to connect motor, and input minor axis the inner is used to connect clutch; It is characterized in that: described input shaft bearing rear portion is equipped with first sealing flange, is set with axle sleeve on the input minor axis, and axle sleeve is contained in the center hole of first sealing flange, and axle sleeve the inner props up bearing unit, is provided with oil sealing between first sealing flange and the axle sleeve; At the rear portion of first sealing flange second sealing flange is installed, on input shaft, be set with disc, disc is contained in the center hole of second sealing flange, disc is inner to offset with axle sleeve, the disc outer end utilizes round nut fastening, in the chamber of the card of disc between first sealing flange and second sealing flange, be provided with backbone sealing ring between the inner side surface of the card and second sealing flange.
As further improvement of the utility model, cone-shaped is arranged in the outer end of described input minor axis, and the outer end of input minor axis is set with the power flange that is used to connect motor, and the dynamic method langley compresses with gland, and interference type is fixed on the input minor axis.
As further improvement of the utility model, described bearing unit comprises inner bearing and outer bearing, and inner bearing is contained in input shaft bearing front portion, and the inner ring of inner bearing is bearing on the connecting head that input minor axis front end is provided with; Outer bearing is contained in input shaft bearing rear portion, and the inner ring and the axle sleeve of outer bearing offset.
As further improvement of the utility model, described inner bearing, outer bearing all adopt single-row tapered roller bearing.
The utility model compared with prior art, advantage is: structure is ingenious, compact, rationally, can guarantee that the power input is reliable and stable; Good seal performance is rotated flexibly, can guarantee to import minor axis reliably working steady in a long-term.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Description of reference numerals: 1-input shaft bearing, 2-input minor axis, 2a-connecting head, 3-inner bearing, 4-outer bearing, 5-first sealing flange, 6-second sealing flange, 7-oil sealing, 8-disc, 8a-card, 9-backbone sealing ring, 10-round nut, 11-power flange, 12-gland, 13-axle sleeve.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in Figure 1: input minor axis 2 is contained in the input shaft bearing 1 by bearing unit, and input minor axis 2 outer ends are used to connect motor, and input minor axis 2 the inners are used to connect clutch; Described input shaft bearing 1 rear portion is equipped with first sealing flange 5, is set with axle sleeve 13 on input minor axis 2, and axle sleeve 13 is contained in the center hole of first sealing flange 5, and axle sleeve 13 the inners prop up bearing unit, are provided with oil sealing 7 between first sealing flange 5 and the axle sleeve 13; Second sealing flange 6 is installed at the rear portion of first sealing flange 5, on input shaft, be set with disc 8, disc 8 is contained in the center hole of second sealing flange 6, disc 8 the inners offset with axle sleeve 13, disc 8 outer ends utilize round nut 10 fastening, in the chamber of the card 8a of disc 8 between first sealing flange 5 and second sealing flange 6, be provided with backbone sealing ring 9 between the inner side surface of the card 8a and second sealing flange 6.
As shown in Figure 1, cone-shaped is arranged in the outer end of described input minor axis 2, and the outer end of input minor axis 2 is set with the power flange 11 that is used to connect motor, and power flange 11 utilizes gland 12 to compress, and interference type is fixed on the input minor axis 2.
As shown in Figure 1, described bearing unit comprises inner bearing 3 and outer bearing 4, and inner bearing 3 is contained in input shaft bearing 1 front portion, and the inner ring of inner bearing 3 is bearing on the connecting head 2a that input minor axis 2 front ends are provided with; Outer bearing 4 is contained in input shaft bearing 1 rear portion, and the inner ring of outer bearing 4 and axle sleeve 13 offset.Preferably, described inner bearing 3, outer bearing 4 all adopt single-row tapered roller bearing.
Claims (4)
1. the input minor axis sealing mounting structure of Full Rotary rudder oar, comprise input minor axis (2) and input shaft bearing (1), input minor axis (2) is contained in the input shaft bearing (1) by bearing unit, input minor axis (2) outer end is used to connect motor, and input minor axis (2) the inner is used to connect clutch; It is characterized in that: described input shaft bearing (1) rear portion is equipped with first sealing flange (5), on input minor axis (2), be set with axle sleeve (13), axle sleeve (13) is contained in the center hole of first sealing flange (5), axle sleeve (13) the inner props up bearing unit, is provided with oil sealing (7) between first sealing flange (5) and the axle sleeve (13); At the rear portion of first sealing flange (5) second sealing flange (6) is installed, on input shaft, be set with disc (8), disc (8) is contained in the center hole of second sealing flange (6), disc (8) is inner to offset with axle sleeve (13), disc (8) outer end utilizes round nut (10) fastening, the card (8a) of disc (8) is positioned at the chamber between first sealing flange (5) and second sealing flange (6), is provided with backbone sealing ring (9) between the inner side surface of card (8a) and second sealing flange (6).
2. input minor axis sealing mounting structure as claimed in claim 1, it is characterized in that: cone-shaped is arranged in the outer end of described input minor axis (2), the outer end of input minor axis (2) is set with the power flange (11) that is used to connect motor, power flange (11) utilizes gland (12) to compress, and interference type is fixed on the input minor axis (2).
3. input minor axis sealing mounting structure as claimed in claim 1, it is characterized in that: described bearing unit comprises inner bearing (3) and outer bearing (4), inner bearing (3) is contained in input shaft bearing (1) front portion, and the inner ring of inner bearing (3) is bearing on the connecting head (2a) that input minor axis (2) front end is provided with; Outer bearing (4) is contained in input shaft bearing (1) rear portion, and the inner ring of outer bearing (4) and axle sleeve (13) offset.
4. input minor axis sealing mounting structure as claimed in claim 3, it is characterized in that: described inner bearing (3), outer bearing (4) all adopt single-row tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205806172U CN201818797U (en) | 2010-10-28 | 2010-10-28 | Sealed installation structure of input short shaft of full rotary rudder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205806172U CN201818797U (en) | 2010-10-28 | 2010-10-28 | Sealed installation structure of input short shaft of full rotary rudder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818797U true CN201818797U (en) | 2011-05-04 |
Family
ID=43916749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205806172U Expired - Fee Related CN201818797U (en) | 2010-10-28 | 2010-10-28 | Sealed installation structure of input short shaft of full rotary rudder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921916A (en) * | 2014-05-05 | 2014-07-16 | 李四维 | Mechanical shaft seal assembly for underwater propeller |
| RU2725360C1 (en) * | 2019-12-30 | 2020-07-02 | Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" | Antivibration mounting of propeller shaft |
-
2010
- 2010-10-28 CN CN2010205806172U patent/CN201818797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921916A (en) * | 2014-05-05 | 2014-07-16 | 李四维 | Mechanical shaft seal assembly for underwater propeller |
| RU2725360C1 (en) * | 2019-12-30 | 2020-07-02 | Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" | Antivibration mounting of propeller shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20111028 |