CN101973387A - Input minor shaft seal installation structure of rudder propeller - Google Patents
Input minor shaft seal installation structure of rudder propeller Download PDFInfo
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- CN101973387A CN101973387A CN 201010522762 CN201010522762A CN101973387A CN 101973387 A CN101973387 A CN 101973387A CN 201010522762 CN201010522762 CN 201010522762 CN 201010522762 A CN201010522762 A CN 201010522762A CN 101973387 A CN101973387 A CN 101973387A
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Abstract
The invention relates to an input minor shaft seal installation structure of a rudder propeller. The input minor shaft is arranged in an input bearing seat by a bearing assembly and the structure is characterized in that the rear part of the input bearing seat is provided with a first sealing flange, a shaft sleeve is sleeved on the input minor shaft, and the shaft sleeve is arranged in the center hole of the first sealing flange; the inner end of the shaft sleeve pushes against the bearing assembly; an oil seal is arranged between the first sealing flange and the shaft sleeve; a second sealing flange is arranged at the back of the first sealing flange, an oil thrower is sleeved on the input shaft, the oil thrower is arranged in the center hole of the second sealing flange; the inner end of the oil thrower pushes against the shaft sleeve and the outer end of the oil thrower is fastened by a round nut; the disk surface of the oil thrower is arranged in a chamber between the first sealing flange and the second sealing flange and a frame seal ring is arranged between the disk surface and the inner side of the second sealing flange. The structure of the invention features delicate, compact and reasonable structure and can ensure stable and reliable power input.
Description
Technical field
The present invention 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 technology
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 propelling thrust 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 road-holding property of boats and ships, manoevreability deficiency.(2) high-power, high-revolving rudder oar power drive shaft ties up to the problems such as torsion oscillations, rotary vibration and system's heating that exist in service, influences the working stability and the service life of transmission shafting.(3) design of high-power, high strength spiral bevel gear, manufacturing require highly, accuracy requires high, the manufacturing cost costliness.
Full Rotary rudder oar is a kind of later-model marine propulsion, it replaces the propulsion mode of traditional rudder oar group system 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 degreeof turn by the control propelling screws, can obtain omnibearing maximum thrust and steerage, make road-holding property, the manoevreability 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 the driving engine imput power and is passed to next stage mechanism.For marine propulsion, alerting ability, stability and leak tightness that the input minor axis rotates are most important.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of input minor axis sealing mounting structure of Full Rotary rudder oar is provided, this input minor axis sealing mounting structure is ingenious, compact, reasonable, can guarantee that the power input is reliable and stable.
According to technical scheme provided by the invention: 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 assembly, and input minor axis outer end is used to connect driving engine, and input minor axis the inner is used to connect power-transfer 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 centre hole of first sealing flange, and axle sleeve the inner props up bearing assembly, 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 lubricating disc, lubricating disc is contained in the centre hole of second sealing flange, lubricating disc is inner to offset with axle sleeve, the lubricating disc outer end utilizes circular nut fastening, in the chamber of the card of lubricating disc between first sealing flange and second sealing flange, be provided with backbone sealing ring between the medial surface of the card and second sealing flange.
As a further improvement on the present invention, 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 driving engine, and the dynamic method langley compresses with gland, and interference type is fixed on the input minor axis.
As a further improvement on the present invention, described bearing assembly comprises neck bearing and outer bearing, and neck bearing is contained in input shaft bearing front portion, and the inner ring of neck bearing is bearing on the connector 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 a further improvement on the present invention, described neck bearing, outer bearing all adopt single-row cup and cone bearing.
The present invention 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 reliable operation steady in a long-term.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Description of reference numerals: 1-input shaft bearing, 2-input minor axis, 2a-connector, 3-neck bearing, 4-outer bearing, 5-first sealing flange, 6-second sealing flange, 7-oil sealing, 8-lubricating disc, 8a-card, 9-backbone sealing ring, 10-circular nut, 11-power flange, 12-gland, 13-axle sleeve.
The specific embodiment
The invention will be further described 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 assembly, and input minor axis 2 outer ends are used to connect driving engine, and input minor axis 2 the inners are used to connect power-transfer 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 centre hole of first sealing flange 5, and axle sleeve 13 the inners prop up bearing assembly, 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 lubricating disc 8, lubricating disc 8 is contained in the centre hole of second sealing flange 6, lubricating disc 8 the inners offset with axle sleeve 13, lubricating disc 8 outer ends utilize circular nut 10 fastening, in the chamber of the card 8a of lubricating disc 8 between first sealing flange 5 and second sealing flange 6, be provided with backbone sealing ring 9 between the medial 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 driving engine, 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 assembly comprises neck bearing 3 and outer bearing 4, and neck bearing 3 is contained in input shaft bearing 1 front portion, and the inner ring of neck bearing 3 is bearing on the connector 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 neck bearing 3, outer bearing 4 all adopt single-row cup and cone 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 assembly, input minor axis (2) outer end is used to connect driving engine, and input minor axis (2) the inner is used to connect power-transfer 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 centre hole of first sealing flange (5), axle sleeve (13) the inner props up bearing assembly, 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 lubricating disc (8), lubricating disc (8) is contained in the centre hole of second sealing flange (6), lubricating disc (8) is inner to offset with axle sleeve (13), lubricating disc (8) outer end utilizes circular nut (10) fastening, the card (8a) of lubricating 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 medial 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 driving engine, 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 assembly comprises neck bearing (3) and outer bearing (4), neck bearing (3) is contained in input shaft bearing (1) front portion, and the inner ring of neck bearing (3) is bearing on the connector (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 neck bearing (3), outer bearing (4) all adopt single-row cup and cone bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010522762 CN101973387A (en) | 2010-10-28 | 2010-10-28 | Input minor shaft seal installation structure of rudder propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010522762 CN101973387A (en) | 2010-10-28 | 2010-10-28 | Input minor shaft seal installation structure of rudder propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101973387A true CN101973387A (en) | 2011-02-16 |
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ID=43573305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010522762 Pending CN101973387A (en) | 2010-10-28 | 2010-10-28 | Input minor shaft seal installation structure of rudder propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101973387A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925428A (en) * | 2019-12-18 | 2020-03-27 | 咸阳超越离合器有限公司 | Combined seal |
| CN115126777A (en) * | 2022-06-08 | 2022-09-30 | 中国船舶重工集团公司第七一九研究所 | Thrust bearing and ship propeller |
-
2010
- 2010-10-28 CN CN 201010522762 patent/CN101973387A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925428A (en) * | 2019-12-18 | 2020-03-27 | 咸阳超越离合器有限公司 | Combined seal |
| CN115126777A (en) * | 2022-06-08 | 2022-09-30 | 中国船舶重工集团公司第七一九研究所 | Thrust bearing and ship propeller |
| CN115126777B (en) * | 2022-06-08 | 2024-05-28 | 中国船舶重工集团公司第七一九研究所 | Thrust bearing and ship propeller |
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Application publication date: 20110216 |