CN115076222A - Thrust and support function decoupling thrust bearing longitudinal vibration damper - Google Patents
Thrust and support function decoupling thrust bearing longitudinal vibration damper Download PDFInfo
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- CN115076222A CN115076222A CN202210759500.8A CN202210759500A CN115076222A CN 115076222 A CN115076222 A CN 115076222A CN 202210759500 A CN202210759500 A CN 202210759500A CN 115076222 A CN115076222 A CN 115076222A
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- thrust
- module
- flange
- shaft
- shell
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses a thrust bearing longitudinal vibration damping device with decoupled thrust and support functions, which comprises a thrust shaft, wherein one end of the thrust shaft is provided with a connecting flange, and the thrust shaft is connected with a stern shaft through the connecting flange; the ship body thrust shaft is characterized in that a thrust module, a vibration damping module and a supporting module are sequentially arranged on the thrust shaft, the thrust module, the vibration damping module and the supporting module are fixedly connected with one another pairwise, the thrust module is arranged close to the connecting flange, the other end of the thrust shaft penetrates through the supporting module, and the outer wall of the supporting module is connected with a ship body base. Decoupling the thrust transmission function and the transverse support function of the thrust bearing, designing a vibration reduction module between the thrust module and the support module, wherein the transverse load of a shaft system is borne by the support module, and the thrust module and the longitudinal vibration reduction module do not bear the transverse load and only bear the longitudinal load; the longitudinal vibration transmission path of the thrust bearing is greatly simplified, the complex contact sound short circuit link is avoided, and the longitudinal vibration isolation efficiency of the shafting is improved.
Description
Technical Field
The invention relates to the field of ship vibration noise control, in particular to a thrust bearing longitudinal vibration damping device with decoupled thrust and support functions.
Background
The noise of the propulsion system is a main noise source under the low-speed working condition of the ship, and presents the characteristic of broadband and line spectrum superposition. The main mechanism of formation of the noise of the propulsion system is that the excitation force of the propeller is transmitted to the hull through the shafting to induce the vibration sound radiation of the hull structure. Research shows that the longitudinal exciting force of the propeller is the largest, and the transverse exciting force and the vertical exciting force are about 1/5 in the longitudinal direction, so that the longitudinal vibration noise control of the propeller-shaft system is the key point of the noise control of the ship propulsion system.
Aiming at the control of the longitudinal vibration noise of a propeller-shaft system, a vibration reduction scheme of a longitudinal shaft system vibration absorber and a thrust bearing with a vibration reduction function is mainly adopted at present. The longitudinal vibration absorber is arranged in the middle of the shaft section to break the shaft section, so that the continuity and the bending rigidity of the shaft system are reduced, the transverse vibration and the cyclotron vibration of the shaft system are increased, and the transverse vibration absorption design is not facilitated; meanwhile, the longitudinal shock absorber is large in size and weight, large in total weight and space resource consumption of the ship, difficult to meet the requirement of total arrangement of the ship, and large in implementation difficulty of actual ship application.
For the integrated thrust bearing with the vibration reduction function, a vibration reduction structure in the form of a spiral spring, a disc spring, oil-resistant rubber and the like is designed inside the bearing, but test results show that complex sound short circuit and friction contact links exist among parts such as a thrust disc, a thrust block, a supporting bearing bush, a vibration reduction assembly and the like inside the vibration reduction thrust bearing, the longitudinal vibration reduction design effect is poor, and the vibration noise control requirement cannot be met.
Disclosure of Invention
Aiming at the defects in the prior art, the thrust bearing longitudinal vibration damping device with the decoupling function of thrust and support is provided, the vibration isolation efficiency is improved, and the longitudinal vibration noise of a propeller-shaft system is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a thrust and vertical damping device of thrust bearing of support function decoupling zero which characterized in that: the device comprises a thrust shaft, wherein a connecting flange is arranged at one end of the thrust shaft, and the thrust shaft is connected with a stern shaft through the connecting flange; the ship body thrust shaft is characterized in that a thrust module, a vibration damping module and a supporting module are sequentially arranged on the thrust shaft, the thrust module, the vibration damping module and the supporting module are fixedly connected with one another pairwise, the thrust module is arranged close to the connecting flange, the other end of the thrust shaft penetrates through the supporting module, and the outer wall of the supporting module is connected with a ship body base.
According to the technical scheme, the thrust module comprises a cylindrical shell, a thrust disc, a thrust block and a first flange, wherein a cylindrical inner cavity is formed in the shell, and a thrust shaft penetrates through the shell and is arranged on the axis of the cylindrical inner cavity; the thrust disc is arranged in the cylindrical inner cavity, and the thrust shaft is fixedly connected with the thrust disc and has the same axis with the thrust disc; the thrust blocks are arranged on two sides of the thrust disc, the first flange is fixedly connected with the side, far away from the connecting flange, of the shell, and the first flange is fixedly connected with the vibration reduction module.
According to the technical scheme, the shell comprises an annular outer shell, and a circular sheet-shaped forward turning sleeve ring and a circular sheet-shaped reverse turning sleeve ring, wherein the forward turning sleeve ring and the reverse turning sleeve ring are arranged on two sides of the outer shell and form a cylindrical structure; the center of the turning sleeve ring and the reversing sleeve ring is provided with a first through hole matched with the outer diameter of the thrust shaft, and the thrust shaft penetrates through the first through hole.
According to the technical scheme, the vibration reduction module comprises a second flange and a third flange which are arranged in parallel, and a vibration reduction rubber structure arranged between the second flange and the third flange, wherein the vibration reduction rubber structure is arranged between the second flange and the third flange; second through holes are formed in the centers of the vibration reduction rubber structure, the second flange and the third flange, and the thrust shaft penetrates through the second through holes; the second flange is fixedly connected with the thrust module, and the third flange is fixedly connected with the support module.
According to the technical scheme, the size of the second through hole is larger than the outer diameter of the thrust shaft.
According to the technical scheme, the rubber vibration reduction structure, the second flange and the third flange are vulcanized and molded; the damping rubber structure is made of natural or butadiene-acrylonitrile rubber with the hardness of 65-75.
According to the technical scheme, the support module comprises a wingspan type installation seat, a support bearing and a fourth flange, wherein a third through hole is formed in the middle of the wingspan type installation seat, the support bearing is arranged in a third shaft hole, and the thrust shaft is arranged in the support bearing; the fourth flange is fixedly connected with the side part of the wingspan type mounting seat and is fixedly connected with the vibration reduction module; the wingspan type mounting seat is arranged on the ship body base.
According to the technical scheme, the wingspan type mounting seat comprises an inner ring shell, an outer ring shell and a reinforcing rib plate; the supporting bearing is arranged in the inner ring, the side surfaces of the inner ring shell and the outer ring shell are fixedly connected with the fourth flange, and the inner ring shell and the outer ring shell are arranged concentrically; a plurality of reinforcing rib plates are arranged between the inner ring shell and the outer ring shell at equal intervals; the outer walls of the two sides of the outer ring shell are provided with horizontal mounting plates, and the mounting plates on the two sides are consistent in height.
According to the technical scheme, the outer ring shell is made of the circular ring integrated piece, and the mounting plates are fixedly arranged on two sides of the circular ring integrated piece.
According to above-mentioned technical scheme, the outer loop casing divide into casing and lower casing, and the upper and lower casing adopts semicircular structure, and the mounting panel is established at casing both sides down and outside level along stretching.
The invention has the following beneficial effects:
1. decoupling the thrust transmission function and the transverse support function of the thrust bearing, designing a vibration reduction module between the thrust module and the support module, wherein the transverse load of a shaft system is borne by the support module, and the thrust module and the longitudinal vibration reduction module do not bear the transverse load and only bear the longitudinal load; at the moment, the longitudinal vibration transmission path of the shafting is shafting-thrust module-longitudinal vibration damping module-supporting module-hull base, so that the longitudinal vibration transmission path of the thrust bearing is greatly simplified, the complex contact sound short circuit link is avoided, the longitudinal vibration isolation efficiency of the shafting is improved, and the installation on a real ship is facilitated. And the vibration reduction module does not bear the torque load of the shafting, so that the vibration reduction module is convenient to design in a miniaturized manner.
2. The thrust bearing scheme is full span formula installation, can match the full span formula thrust bearing base commonly used, simple to operate.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of a provided embodiment of the invention;
FIG. 3 is a schematic structural view of a thrust module of an embodiment of the present invention;
FIG. 4 is a side view of a thrust module of a provided embodiment of the invention;
FIG. 5 is a schematic structural view of a vibration damping module according to an embodiment of the present invention;
FIG. 6 is a side view of a vibration dampening module of a provided embodiment of the invention;
FIG. 7 is a schematic structural diagram of a support module according to an embodiment of the present invention;
FIG. 8 is a side view of a support module of the present invention;
FIG. 9 is a schematic structural view of a wingspan mount of an embodiment of the present invention;
in the figure, 1, a thrust shaft; 2. a connecting flange; 3. a thrust module; 3-1, a thrust disc; 3-2, a thrust block; 3-3, a first flange; 3-4, an outer shell; 3-5, turning a lantern ring; 3-6, backing lantern ring; 4. a vibration reduction module; 4-1, a second flange; 4-2, third flange; 4-3, a vibration damping rubber structure; 4-4, a second through hole; 5. a support module; 5-1, a wingspan type mounting seat; 5-2, supporting a bearing; 5-3, a fourth flange; 5-4, an inner ring shell; 5-5, an outer ring shell; 5-6, reinforcing rib plates; 5-7, mounting a plate; 5-8, mounting holes; 6. a hull base.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples.
Referring to fig. 1-2, the thrust bearing longitudinal vibration damping device with decoupled thrust and support functions provided by the invention comprises a thrust shaft 1, wherein a connecting flange 2 is arranged at one end of the thrust shaft, and the thrust shaft is connected with a stern shaft through the connecting flange; the ship body thrust shaft is characterized in that a thrust module 3, a vibration damping module 4 and a supporting module 5 are sequentially arranged on the thrust shaft, the thrust module, the vibration damping module and the supporting module are fixedly connected with each other pairwise, the thrust module is arranged close to the connecting flange, the other end of the thrust shaft penetrates through the supporting module, and the outer wall of the supporting module is connected with a ship body base 6.
According to the embodiment, the thrust function and the support function of the thrust bearing are decoupled, then the vibration damping module is designed between the thrust module and the support module, the vibration damping module only bears longitudinal thrust, the scheme greatly simplifies the longitudinal vibration transmission path of the thrust bearing, avoids complex acoustic short circuit and contact friction links, and improves the longitudinal vibration isolation effect of a shafting.
Further, the thrust module comprises a cylindrical shell, a thrust disc 3-1, a thrust block 3-2 and a first flange 3-3, a cylindrical inner cavity is formed in the shell, and a thrust shaft penetrates through the shell and is arranged on the axis of the cylindrical inner cavity; the thrust disc is arranged in the cylindrical inner cavity, and the thrust shaft is fixedly connected with the thrust disc and has the same axis with the thrust disc; the thrust blocks are arranged on two sides of the thrust disc, the first flange is fixedly connected with the side, far away from the connecting flange, of the shell, and the first flange is fixedly connected with the vibration reduction module. The design of a thrust module of a thrust bearing is completed according to parameters such as the total arrangement, the rotating speed, the thrust load and the like of a shafting, and the design comprises the structural design of a thrust shaft, a thrust disc, a thrust block, a bearing shell and the like; according to the size of the longitudinal vibration reduction module, the design of a first flange of the thrust module is completed; and according to the interface at the head end of the stern shaft, the design of a mounting interface of the connecting flange is completed, and the stern shaft and the thrust bearing are mounted through the connecting flange interface.
Further, the shell comprises a circular outer shell 3-4, a circular forward turning sleeve ring 3-5 and a circular reverse turning sleeve ring 3-6, wherein the forward turning sleeve ring and the reverse turning sleeve ring are arranged on two sides of the outer shell and form a cylindrical structure; the center of the forward lantern ring and the reverse lantern ring is provided with a first through hole matched with the outer diameter of the thrust shaft, and the thrust shaft penetrates through the first through hole.
Further, the vibration reduction module comprises a second flange 4-1 and a third flange 4-2 which are arranged in parallel, and a vibration reduction rubber structure 4-3 arranged between the second flange and the third flange, wherein the vibration reduction rubber structure is arranged between the second flange and the third flange; second through holes 4-4 are formed in the centers of the vibration reduction rubber structure, the second flange and the third flange, and the thrust shaft penetrates through the second through holes; the second flange is fixedly connected with the thrust module, and the third flange is fixedly connected with the support module.
Furthermore, the size of the second through hole is larger than the outer diameter of the thrust shaft, so that the longitudinal vibration reduction module is prevented from being in contact with the shaft section.
Further, the rubber vibration reduction structure, the second flange and the third flange are vulcanized and molded; the vibration damping rubber structure is made of natural or nitrile rubber with the hardness of 65-75, the dynamic stiffness is reduced, and the vibration damping effect is improved; the second flange and the third flange are made of forged steel or high-strength steel, and rigidity is improved.
Further, the support module comprises a wingspan type installation seat 5-1, a support bearing 5-2 and a fourth flange 5-3, a third through hole is formed in the middle of the wingspan type installation seat, the support bearing is arranged in the third shaft hole, and the thrust shaft is arranged in the support bearing; the fourth flange is fixedly connected with the side part of the wingspan type mounting seat and is fixedly connected with the vibration reduction module; the wingspan type mounting seat is arranged on the ship body base. The support module is rigidly mounted on the hull base through the wingspan type mounting seat, so that the impedance design and the bearing mounting of the thrust bearing base are facilitated. According to the transverse load of a shafting, the design of a support bearing of the support module is completed, and the support bearing is rigidly arranged in the middle of the wingspan type mounting seat; and according to the size of the vibration reduction module, the structural design of a fourth flange of the support module is completed, and the support module is connected with the longitudinal vibration reduction module through the fourth flange.
Further, the wingspan type mounting seat comprises an inner ring shell 5-4, an outer ring shell 5-5 and reinforcing rib plates 5-6; the supporting bearing is arranged in the inner ring, the side surfaces of the inner ring shell and the outer ring shell are fixedly connected with the fourth flange, and the inner ring shell and the outer ring shell are arranged concentrically; a plurality of reinforcing rib plates are arranged between the inner ring shell and the outer ring shell at equal intervals; the outer walls of the two sides of the outer ring shell are provided with horizontal mounting plates 5-7, the mounting plates on the two sides are consistent in height, and the mounting plates are provided with a plurality of mounting holes 5-8. The device adopts full-span type installation, can be matched with a common full-span type thrust bearing base, and is convenient to install.
Furthermore, the outer ring shell is made of a circular ring integrated piece, and the mounting plates are fixedly arranged on two sides of the circular ring integrated piece.
Furthermore, the outer ring shell is divided into an upper shell and a lower shell, the upper shell and the lower shell are of semicircular structures, and the mounting plates are arranged on two sides of the lower shell and extend outwards horizontally.
The working principle of the invention is as follows:
the lateral load of the shafting is borne by the support module, and the thrust module and the longitudinal vibration reduction module do not bear the lateral load and only bear the longitudinal load. Therefore, the decoupling of the thrust transmission function and the transverse support function is realized, and the design of a longitudinal vibration reduction module and the alignment control of shafting (a stern shaft and a thrust shaft) are facilitated. At the moment, the shafting longitudinal vibration transmission path is shafting-thrust module-longitudinal vibration damping module-support module-hull base, so that the longitudinal vibration transmission path is simplified, the complicated contact sound short circuit and friction links are avoided, and the longitudinal vibration isolation efficiency is improved. And the vibration reduction module does not bear the torque load of the shafting, so that the vibration reduction module is convenient to design in a miniaturized manner.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.
Claims (10)
1. The utility model provides a thrust and vertical damping device of thrust bearing of support function decoupling zero which characterized in that: the device comprises a thrust shaft, wherein a connecting flange is arranged at one end of the thrust shaft, and the thrust shaft is connected with a stern shaft through the connecting flange; the ship body thrust shaft is characterized in that a thrust module, a vibration damping module and a supporting module are sequentially arranged on the thrust shaft, the thrust module, the vibration damping module and the supporting module are fixedly connected with one another pairwise, the thrust module is arranged close to the connecting flange, the other end of the thrust shaft penetrates through the supporting module, and the outer wall of the supporting module is connected with a ship body base.
2. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 1, characterized in that: the thrust module comprises a cylindrical shell, a thrust disc, a thrust block and a first flange, wherein a cylindrical inner cavity is formed in the shell, and a thrust shaft penetrates through the shell and is arranged on the axis of the cylindrical inner cavity; the thrust disc is arranged in the cylindrical inner cavity, and the thrust shaft is fixedly connected with the thrust disc and has the same axis with the thrust disc; the thrust blocks are arranged on two sides of the thrust disc, the first flange is fixedly connected with the side, far away from the connecting flange, of the shell, and the first flange is fixedly connected with the vibration reduction module.
3. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 2, characterized in that: the shell comprises a circular outer shell, a circular forward turning sleeve ring and a circular reverse turning sleeve ring, wherein the forward turning sleeve ring and the reverse turning sleeve ring are arranged on two sides of the outer shell and form a cylindrical structure; the center of the forward lantern ring and the reverse lantern ring is provided with a first through hole matched with the outer diameter of the thrust shaft, and the thrust shaft penetrates through the first through hole.
4. The thrust and support function decoupled thrust bearing longitudinal damping device of any of claims 1 to 3, characterized in that: the damping module comprises a second flange and a third flange which are arranged in parallel, and a damping rubber structure arranged between the second flange and the third flange, and the damping rubber structure is arranged between the second flange and the third flange; second through holes are formed in the centers of the vibration reduction rubber structure, the second flange and the third flange, and the thrust shaft penetrates through the second through holes; the second flange is fixedly connected with the thrust module, and the third flange is fixedly connected with the support module.
5. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 4, wherein: the second through hole has a size larger than the outer diameter of the thrust shaft.
6. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 4, wherein: the rubber vibration reduction structure, the second flange and the third flange are vulcanized and molded; the damping rubber structure is made of natural or butadiene-acrylonitrile rubber with the hardness of 65-75.
7. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 1, characterized in that: the support module comprises a wingspan type installation seat, a support bearing and a fourth flange, a third through hole is formed in the middle of the wingspan type installation seat, the support bearing is arranged in a third shaft hole, and the thrust shaft is arranged in the support bearing; the fourth flange is fixedly connected with the side part of the wingspan type mounting seat and is fixedly connected with the vibration reduction module; the wingspan type mounting seat is arranged on the ship body base.
8. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 7, wherein: the wing span type mounting seat comprises an inner ring shell, an outer ring shell and a reinforcing rib plate; the supporting bearing is arranged in the inner ring, the side surfaces of the inner ring shell and the outer ring shell are fixedly connected with the fourth flange, and the inner ring shell and the outer ring shell are arranged concentrically; a plurality of reinforcing rib plates are arranged between the inner ring shell and the outer ring shell at equal intervals; the outer walls of the two sides of the outer ring shell are provided with horizontal mounting plates, and the mounting plates on the two sides are consistent in height.
9. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 8, wherein: the outer ring shell is a circular ring integrated piece, and the mounting plates are fixedly arranged on two sides of the circular ring integrated piece.
10. The thrust and support function decoupled thrust bearing longitudinal damping device of claim 8, wherein: the outer ring casing divide into casing and lower casing, and upper and lower casing adopts semicircular structure, and the mounting panel is established at casing both sides down and outside level along stretching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210759500.8A CN115076222B (en) | 2022-06-29 | 2022-06-29 | Thrust bearing longitudinal vibration damper with decoupling thrust and supporting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210759500.8A CN115076222B (en) | 2022-06-29 | 2022-06-29 | Thrust bearing longitudinal vibration damper with decoupling thrust and supporting function |
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| Publication Number | Publication Date |
|---|---|
| CN115076222A true CN115076222A (en) | 2022-09-20 |
| CN115076222B CN115076222B (en) | 2024-04-12 |
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| CN202210759500.8A Active CN115076222B (en) | 2022-06-29 | 2022-06-29 | Thrust bearing longitudinal vibration damper with decoupling thrust and supporting function |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02234896A (en) * | 1989-02-16 | 1990-09-18 | Renk Tacke Gmbh | Bearing system for reverse rotation propeller shaft |
| DE4138708A1 (en) * | 1991-11-26 | 1993-05-27 | Blohm Voss Ag | ARRANGEMENT FOR THE ELASTIC BEARING OF A COMBINED PRESSURE AND BEARING BEARING, IN PARTICULAR FOR A SHIP DRIVE SYSTEM |
| DE19727801A1 (en) * | 1997-06-30 | 1999-01-28 | Renk Ag | Marine drive clutch system |
| JPH1170894A (en) * | 1997-08-29 | 1999-03-16 | Kawasaki Heavy Ind Ltd | Shaft system structure of water jet thruster |
| JP2001221253A (en) * | 1999-12-22 | 2001-08-17 | Renk Ag | Drive system |
| FR2889161A1 (en) * | 2005-07-26 | 2007-02-02 | Renk Ag | Vessel drive system with elastically-mounted transmission unit has propeller screw drive shaft passing through hollow transmission shaft |
| GB0703396D0 (en) * | 2006-03-03 | 2007-03-28 | Renk Ag | Shaft bearing |
| CN102414080A (en) * | 2009-02-26 | 2012-04-11 | 伦克股份有限公司 | Marine drive system and ship equipped with same |
| CN102927137A (en) * | 2012-11-06 | 2013-02-13 | 中国舰船研究设计中心 | Disc spring type vibration attenuation thrust bearing |
| CN103499582A (en) * | 2013-09-27 | 2014-01-08 | 首钢京唐钢铁联合有限责任公司 | Thrust pad inspection method for damping thrust bearing |
| CN109281926A (en) * | 2018-11-13 | 2019-01-29 | 中国舰船研究设计中心 | A kind of vibration damping thrust bearing with hydrostatic thrust Self-balancing |
| CN110043596A (en) * | 2019-04-03 | 2019-07-23 | 江苏科技大学 | A kind of thrust bearing energy-consumption damper peculiar to vessel and its assembly method |
| CN111319748A (en) * | 2020-02-28 | 2020-06-23 | 浙江工业大学 | A Semi-active Control Vibration Isolation System for Longitudinal Vibration of Propulsion Shafting |
| CN111442051A (en) * | 2020-04-24 | 2020-07-24 | 中国舰船研究设计中心 | Active thrust balance type shafting longitudinal vibration damper |
| CN111795122A (en) * | 2019-01-09 | 2020-10-20 | 舍弗勒技术股份两合公司 | Sliding rail for a circulating transmission |
| CN212220526U (en) * | 2020-02-28 | 2020-12-25 | 浙江工业大学 | A Semi-active Control Vibration Isolation System for Longitudinal Vibration of Propulsion Shafting |
| CN213566423U (en) * | 2020-10-29 | 2021-06-29 | 翊工动力科技(上海)有限公司 | Marine combined coupling |
| CN113107971A (en) * | 2021-05-06 | 2021-07-13 | 东台市远洋船舶配件有限公司 | Thrust bearing with vibration-damping piston |
| CN113135274A (en) * | 2021-05-11 | 2021-07-20 | 武汉理工大学 | Flexible connecting device between ultra-large floating body modules |
| CN113386939A (en) * | 2021-06-24 | 2021-09-14 | 中国舰船研究设计中心 | Thrust bearing device with compact structure |
-
2022
- 2022-06-29 CN CN202210759500.8A patent/CN115076222B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02234896A (en) * | 1989-02-16 | 1990-09-18 | Renk Tacke Gmbh | Bearing system for reverse rotation propeller shaft |
| DE4138708A1 (en) * | 1991-11-26 | 1993-05-27 | Blohm Voss Ag | ARRANGEMENT FOR THE ELASTIC BEARING OF A COMBINED PRESSURE AND BEARING BEARING, IN PARTICULAR FOR A SHIP DRIVE SYSTEM |
| DE19727801A1 (en) * | 1997-06-30 | 1999-01-28 | Renk Ag | Marine drive clutch system |
| JPH1170894A (en) * | 1997-08-29 | 1999-03-16 | Kawasaki Heavy Ind Ltd | Shaft system structure of water jet thruster |
| JP2001221253A (en) * | 1999-12-22 | 2001-08-17 | Renk Ag | Drive system |
| FR2889161A1 (en) * | 2005-07-26 | 2007-02-02 | Renk Ag | Vessel drive system with elastically-mounted transmission unit has propeller screw drive shaft passing through hollow transmission shaft |
| GB0703396D0 (en) * | 2006-03-03 | 2007-03-28 | Renk Ag | Shaft bearing |
| CN101029659A (en) * | 2006-03-03 | 2007-09-05 | 伦克股份有限公司 | Bearing |
| US20070217722A1 (en) * | 2006-03-03 | 2007-09-20 | Renk Aktiengessellschaft | Bearing assembly with damping elements |
| CN102414080A (en) * | 2009-02-26 | 2012-04-11 | 伦克股份有限公司 | Marine drive system and ship equipped with same |
| CN102927137A (en) * | 2012-11-06 | 2013-02-13 | 中国舰船研究设计中心 | Disc spring type vibration attenuation thrust bearing |
| CN103499582A (en) * | 2013-09-27 | 2014-01-08 | 首钢京唐钢铁联合有限责任公司 | Thrust pad inspection method for damping thrust bearing |
| CN109281926A (en) * | 2018-11-13 | 2019-01-29 | 中国舰船研究设计中心 | A kind of vibration damping thrust bearing with hydrostatic thrust Self-balancing |
| CN111795122A (en) * | 2019-01-09 | 2020-10-20 | 舍弗勒技术股份两合公司 | Sliding rail for a circulating transmission |
| CN110043596A (en) * | 2019-04-03 | 2019-07-23 | 江苏科技大学 | A kind of thrust bearing energy-consumption damper peculiar to vessel and its assembly method |
| CN111319748A (en) * | 2020-02-28 | 2020-06-23 | 浙江工业大学 | A Semi-active Control Vibration Isolation System for Longitudinal Vibration of Propulsion Shafting |
| CN212220526U (en) * | 2020-02-28 | 2020-12-25 | 浙江工业大学 | A Semi-active Control Vibration Isolation System for Longitudinal Vibration of Propulsion Shafting |
| CN111442051A (en) * | 2020-04-24 | 2020-07-24 | 中国舰船研究设计中心 | Active thrust balance type shafting longitudinal vibration damper |
| CN213566423U (en) * | 2020-10-29 | 2021-06-29 | 翊工动力科技(上海)有限公司 | Marine combined coupling |
| CN113107971A (en) * | 2021-05-06 | 2021-07-13 | 东台市远洋船舶配件有限公司 | Thrust bearing with vibration-damping piston |
| CN113135274A (en) * | 2021-05-11 | 2021-07-20 | 武汉理工大学 | Flexible connecting device between ultra-large floating body modules |
| CN113386939A (en) * | 2021-06-24 | 2021-09-14 | 中国舰船研究设计中心 | Thrust bearing device with compact structure |
Non-Patent Citations (2)
| Title |
|---|
| 张赣波;席敬波;: "基于连续-离散混合模型的船舶推进轴系纵向振动动力吸振分析", 船舶工程, no. 07, 25 July 2020 (2020-07-25), pages 79 - 82 * |
| 杨俊;王刚伟;田佳彬;刘正林;: "船舶推进轴系振动控制研究", 振动与冲击, no. 10, 28 May 2020 (2020-05-28), pages 22 - 25 * |
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