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CN110043596A - A kind of thrust bearing energy-consumption damper peculiar to vessel and its assembly method - Google Patents

A kind of thrust bearing energy-consumption damper peculiar to vessel and its assembly method Download PDF

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Publication number
CN110043596A
CN110043596A CN201910264890.XA CN201910264890A CN110043596A CN 110043596 A CN110043596 A CN 110043596A CN 201910264890 A CN201910264890 A CN 201910264890A CN 110043596 A CN110043596 A CN 110043596A
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CN
China
Prior art keywords
piston
thrust
bottom plate
cylinder
peculiar
Prior art date
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Granted
Application number
CN201910264890.XA
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Chinese (zh)
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CN110043596B (en
Inventor
温华兵
张坤
李阳
刘伟
邵传民
吴逸锋
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Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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Priority to CN201910264890.XA priority Critical patent/CN110043596B/en
Publication of CN110043596A publication Critical patent/CN110043596A/en
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Publication of CN110043596B publication Critical patent/CN110043596B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H23/00Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32Other parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/22Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3235Constructional features of cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H23/00Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32Other parts
    • B63H23/321Bearings or seals specially adapted for propeller shafts
    • B63H2023/325Thrust bearings, i.e. axial bearings for propeller shafts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a kind of thrust bearing energy-consumption damper peculiar to vessel and its assembly methods, including bottom plate, housing and force block, the second pressurization working lumen is formed between the bottom plate and the housing, second pressurization working lumen is provided with energy consuming components and damping fluid, and the energy consuming components include the first thrust piston, the second thrust piston, piston cylinder, thrust connecting rod and porous damping sheet.The present invention preferably avoids the rigid collision of extensional vibration generation, so that shafting is more steady using damping fluid as the energy consumption medium of damper.Using modularized design and manufacture, it is compact-sized, have compressed installation space and the structure weight bearing of thrust bearing, more lightweight, it considerably reduces manufacturing cost under the premise of improving stability, therefore economic, energy conservation, there is higher vibration suppression efficiency and higher parametric stability.

Description

A kind of thrust bearing energy-consumption damper peculiar to vessel and its assembly method
Technical field
The present invention relates to a kind of thrust bearing energy-consumption damper peculiar to vessel and its assembly methods, and in particular to one kind is with porous The thrust bearing energy-consumption damper peculiar to vessel of damping sheet belongs to marine shafting vibration damping skill for consuming the energy of shafting longitudinal vibration Art field.
Background technique
Transmission System of Propulsion Plant system is generally joined by propeller, stern tube shaft, jackshaft, sliding bearing, thrust axis, thrust bearing, elasticity The devices such as joint, speed change gear and diesel engine composition.The uneven Wake Field of screw shaft of ship is to generate alternation pulsation in longitudinal direction at blade The immediate cause of exciting force.Propeller alternation longitudinal force usually acts on hull in two forms, causes ship hull vibration and its water Lower radiated noise, one is be transferred directly to hull surface by stern fluid;Another kind is to pass through ship in a manner of bearing Oceangoing ship shafting, thrust bearing and its pedestal are transferred to hull.Bearing is the main exciting force for causing ship hull vibration, is Propulsion Systems The main abatement control object of extensional vibration.
Caused by reasonably to avoid because of shafting longitudinal vibration power-equipment fatigue, abrasion, hull stern vibration and on The vibration of layer building, takes a series of measures for shafting longitudinal damping.
Application No. is CN107191529A, entitled " a kind of magnetic rheology elastic body thrust bearing pedestal dynamic vibration absorber " Patent of invention, the patent proposes a kind of magnetic rheology elastic body thrust bearing pedestal dynamic vibration absorber and application method, power is inhaled Vibration device is set on thrust bearing pedestal, and the dynamic vibration absorber includes magnetic yoke group, every magnetic support shaft, magnetic conduction axle sleeve, magnetic current Become elastomer, electromagnetic assembly, is equipped with magnetic conduction axle sleeve every the outer layer jacket of magnetic support shaft, the both ends of magnetic conduction axle sleeve are installed in parallel respectively The magnetic yoke group of setting is configured with magnetic rheology elastic body in the joint of magnetic conduction axle sleeve and magnetic yoke group, surrounds and lead between two magnetic yoke groups Magnetic axis is arranged at least one electromagnetic assembly.But the patent structure is complicated, generating temperature rise leads to job insecurity, concentrfated load Bearing base intensity is adversely affected, and generates complicated electromagnetic field and will affect the normal operation of Warship Electronic Equipments.
Application No. is CN102269218B, the patent of invention of entitled " thrust bearing resonant converter peculiar to vessel ", the patent A kind of thrust bearing resonant converter peculiar to vessel is proposed to push away including thrust bearing and the resonant vibration converter connecting with thrust bearing Power bearing has circumferentially been evenly arranged multiple plunger cavities in its drive end bearing bracket, is equipped with plunger in each plunger cavity, plunger at one end with The forward thrust block of thrust bearing contacts, and the other end forms gap with corresponding plunger cavity, and each plunger cavity gap is interconnected and fills Completely there is hydraulic oil, form balancing cylinder, resonant vibration converter is made of hydraulic tube interconnected and oil cylinder, and balancing cylinder is by connecing Mouthful be connected to hydraulic tube, be connected to the oil cylinder of resonant vibration converter, the longitudinal loading of Propulsion Systems be transmitted to by forward thrust block and On its each plunger contacted, push plunger motion that load is acted on to the hydraulic oil in balancing cylinder and in resonant vibration converter On, realize vibration damping.But resonant vibration converter needs are external outside thrust bearing, not only processing installation difficulty is big, Er Qiechuan Cabin actual working environment is complicated, and there are many factor for influencing external component trouble free service, once accident, which occurs, will will affect ship It operates normally, therefore, engineering application value is subject to certain restrictions.
Summary of the invention
The purpose of the invention is to overcome above-mentioned technical problem of the existing technology and defect, a kind of peculiar to vessel push away is provided Power bearing energy-consumption damper.
In order to achieve the above objectives, the present invention realizes that purpose is adopted the technical scheme that:
A kind of thrust bearing energy-consumption damper peculiar to vessel, including bottom plate, housing and force block, the bottom plate and the housing it Between form the second pressurization working lumen, second pressurization working lumen is provided with energy consuming components and damping fluid, the energy consuming components packet The first thrust piston, the second thrust piston, piston cylinder, thrust connecting rod and porous damping sheet are included, the piston cylinder is size Step piston cylinder is mounted on the bottom plate, and first thrust piston includes being nested in the big piston cylinder of the piston cylinder First piston and the First piston bar that is connect with the first piston, the First piston bar pass through the bottom plate and it is described by The connection of power block, second thrust piston include the second piston being nested in the piston cylinder small piston cylinder and with described second The second piston bar of piston connection, the second piston bar pass through the shell of the piston cylinder and connect with the thrust connecting rod It connects, the other end of the thrust connecting rod connects the porous damping sheet, first thrust piston, second thrust piston And the piston cylinder forms the first pressurization working lumen, first pressurization working lumen is provided with damping fluid.
Further, first back-moving spring, the first back-moving spring suit are equipped between the force block and the bottom plate In the First piston bar, between second thrust piston and the piston cylinder be equipped with second back-moving spring, described second Reset spring is sleeved in the second piston bar, and the first back-moving spring all has certain with the second back-moving spring Pretightning force.
Further, the porous damping sheet is equipped with damping hole, and the percent opening of the porous damping sheet is 8%-15%.It can be with Preferably play the role of throttling energy consumption.
Further, the area of the second piston is the 30%-50% of the first piston area, on the first piston Equipped with the first thrust piston sealing ring, the second piston is equipped with the second thrust piston sealing ring.
Further, the stress surface of the force block is arcwall face.
Further, the piston cylinder is connected by screw to the bottom plate, is equipped between the piston cylinder and the bottom plate Housing seal circle.The housing seal circle plays certain buffer function when first thrust piston resets.
Further, cylinder body sealing ring is equipped between the piston cylinder and the thrust connecting rod.The cylinder body sealing ring exists The thrust connecting rod plays certain buffer function when resetting.
Further, the bottom plate is equipped with filler and is blocked by bottom plate liquid injection hole plug screw, the bottom plate and the cover Bottom plate sealing ring is equipped between shell, corresponding first pressurization working lumen is equipped with filler and passes through piston cylinder fluid injection on the piston cylinder Hole plug screw blocks.
The present invention also provides the assembly methods of above-mentioned thrust bearing energy-consumption damper peculiar to vessel, include the following steps:
The First piston bar of first thrust piston is passed through the bottom plate by the first step, and living by described first Stopper rod is connect with the force block;
Second step, the shell that the second piston bar of second thrust piston is passed through to the cylinder body;
The second piston bar is connect by third step with the thrust connecting rod, will be described in the porous damping sheet installation In thrust connecting rod;
4th step connects second thrust piston, the piston cylinder, the thrust that have been connected as an entirety The piston-cylinder of bar and the porous damping sheet mounted in first thrust piston the first piston on, then with institute State bottom plate connection;
First pressurization working lumen is filled full damping liquid by the 5th step;
The housing is connect by the 6th step with the bottom plate;
Second pressurization working lumen is filled full damping liquid by the 7th step.
Compared with prior art, technical solution of the present invention has the advantage that
1. the rigid collision of extensional vibration generation is preferably avoided using damping fluid as the energy consumption medium of damper, So that shafting is more steady.
2. all energy consuming components work in damping fluid, damping fluid provides anti-corrosion environment to damper, thus Prolong the service life.
3. compared to common single-piston rod-type hydraulic cylinder, the present invention is arranged simultaneously there are two the independent working chamber of closing, The first thrust piston and the second thrust piston that two diameters of setting successively decrease along vibration direction of transfer simultaneously in sealing cylinder, two While piston one pressurization working lumen of formation carries out squeezing consumption energy to damping fluid, the power of the second thrust piston will be transmitted to Amplification, it is possible thereby to drive porous damping sheet to generate bigger stroke in another working chamber, to generate with damping fluid more Energy exchange, the design of multiple fluid damping vibration attenuation can largely dissipate shafting transmitting mechanical energy, work efficiency is high, work It is good to make effect.
4. energy-consumption damper of the present invention is using modularized design and manufactures, compact-sized, the installation of thrust bearing is had compressed Space and structure weight bearing, more lightweight considerably reduce manufacturing cost under the premise of improving stability, therefore economy, Energy conservation has higher vibration suppression efficiency and higher parametric stability, thus engineering application value with higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one;
Fig. 2 is the installation application schematic diagram of the embodiment of the present invention one;
Fig. 3 is Section A-A schematic diagram in Fig. 2;
Fig. 4 is the sectional view of porous damping sheet in the embodiment of the present invention;
In figure: 1 be force block, 2 be bottom plate sealing hole, 3 be bottom plate, 4 be bottom plate liquid injection hole plug screw, 5 be bottom plate sealing ring, 6 it is screw, 7 be the first thrust piston, 8 be the first pressurization working lumen, 9 be piston cylinder liquid injection hole plug screw, 10 be piston cylinder, 11 is Cylinder body sealing hole, 12 be porous damping sheet, 13 be the second pressurization working lumen, 14 be housing, 15 be attachment screw, 16 be damping Hole, 17 be thrust connecting rod, 18 be cylinder body sealing ring, 19 be second back-moving spring, 20 be the second thrust piston sealing ring, 21 be Second thrust piston, 22 be the first thrust piston sealing ring, 23 be housing seal circle, 24 be first back-moving spring, 25 be thrust Ring, 26 be bearing thrust block, 27 be thrust bearing energy-consumption damper peculiar to vessel, 28 be end cap, 71 be first piston, 72 be first living Stopper rod, 211 be second piston, 212 be second piston bar.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, and in conjunction with attached drawing and case study on implementation, The present invention is further described in detail.It should be appreciated that specific implementation case described herein is used only for explaining this Invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of thrust bearing energy-consumption damper peculiar to vessel, including bottom plate 3, housing 14 and force block 1, the bottom Form the second pressurization working lumen 13 between plate 3 and the housing 14, second pressurization working lumen 13 be provided with energy consuming components and Damping fluid, the energy consuming components include the first thrust piston 7, the second thrust piston 21, piston cylinder 10, thrust connecting rod 17 and Porous damping sheet 12, the piston cylinder 10 are size step piston cylinder, are mounted on the bottom plate 3, and first thrust is living Plug 7 includes that the first piston 71 being nested in the big piston cylinder of the piston cylinder 10 and first connect with the first piston 71 are living Stopper rod 72, the First piston bar 72 pass through the bottom plate 3 and connect with the force block 1, and second thrust piston 21 includes The second piston 211 being nested in the 10 small piston cylinder of piston cylinder and the second piston bar being connect with the second piston 211 212, the second piston bar 212 passes through the shell of the piston cylinder 10 and connect with the thrust connecting rod 17, the thrust The other end of connecting rod 17 connects the porous damping sheet 12, first thrust piston 7, second thrust piston 21 and The piston cylinder 10 forms the first pressurization working lumen 8, and first pressurization working lumen 8 is provided with damping fluid.
First back-moving spring 24 is equipped between the force block 1 and the bottom plate 3, the first back-moving spring 24 is sleeved on In the First piston bar 72, second back-moving spring 19, institute are equipped between second thrust piston 21 and the piston cylinder 10 It states second back-moving spring 19 to be sleeved in the second piston bar 212, the first back-moving spring 24 resets bullet with described second Spring 19 all has certain pretightning force.
As shown in figure 4, the porous damping sheet 12 is equipped with damping hole 16, the percent opening of the porous damping sheet 12 is 8%.
The area of the second piston 211 is the 30% of 71 area of first piston, and the first piston 71 is equipped with First thrust piston sealing ring 22, the second piston 211 are equipped with the second thrust piston sealing ring 20.
The stress surface of the force block 1 is arcwall face.
The center of the bottom plate 3 is equipped with pedestal sealing hole 2, and the First piston bar 72 is stretched from the pedestal sealing hole 2 Be threadedly coupled out and with the force block 1, the piston cylinder 10 be equipped with cylinder body sealing hole 11, the second piston bar 212 from It stretches out in the cylinder body sealing hole 11 and is connect by screw thread with the thrust connecting rod 17, the porous damping sheet 12 is mounted on The top of the thrust connecting rod 17 is simultaneously fixed by attachment screw 15.
The piston cylinder 10 is connect with the bottom plate 3 by screw 6, is equipped between the piston cylinder 10 and the bottom plate 3 Housing seal circle 23.
Cylinder body sealing ring 18 is equipped between the piston cylinder 10 and the thrust connecting rod 17.
The bottom plate 3 is equipped with filler and is blocked by bottom plate liquid injection hole plug screw 4, the bottom plate 3 and the housing 14 Between be equipped with bottom plate sealing ring 5, corresponding first pressurization working lumen is equipped with filler and by piston cylinder note on the piston cylinder 10 Fluid apertures plug screw 9 blocks.
A kind of assembly method of thrust bearing energy-consumption damper peculiar to vessel of the invention, includes the following steps:
The First piston bar 72 of first thrust piston 7 is passed through the bottom plate 3 by the first step, and by described the One reset spring 24 is sleeved in the First piston bar 72, and the First piston bar 72 is connect with the force block 1;
The second back-moving spring 19 is sleeved on the second piston bar of second thrust piston 21 by second step On 212, the second piston bar 212 is passed through to the shell of the cylinder body 10;
The second piston bar 212 is connect by third step with the thrust connecting rod 17, and the porous damping sheet 12 is pacified It fills in the thrust connecting rod 17;
4th step, second thrust piston 21, the piston cylinder 10, the thrust that an entirety will be connected as The piston cylinder 10 of connecting rod 17 and the porous damping sheet 12 is sleeved on the first piston of first thrust piston 7 On 71, then it is connect with the bottom plate 3;
5th step, by first pressurization working lumen 8 fill full damping liquid, and with the piston cylinder liquid injection hole plug screw 9 into Row blocks;
The housing 14 is connect by the 6th step with the bottom plate 3;
Second pressurization working lumen 13 is filled full damping liquid, and is carried out with the bottom plate liquid injection hole plug screw 4 by the 7th step It blocks.
Application method and working principle
The application method and working principle of above-mentioned thrust bearing energy-consumption damper peculiar to vessel
As shown in Figures 2 and 3, several thrust bearing energy-consumption dampers 27 peculiar to vessel are mounted on to the thrust of marine shafting Between bearing and end cap 28.
Working principle
Thrust bearing energy-consumption damper 27 peculiar to vessel is installed at thrust bearing, when shafting generates extensional vibration, Zong Xiangzhen Dynamic thrust ring 25, bearing thrust block 26 by thrust bearing is transmitted to the force block 1, and the force block 1 pushes described the One thrust piston 7 squeezes the damping fluid in first pressurization working lumen 8, and damping fluid by mechanical energy absorbing and turns after being squeezed Turn to a large amount of thermal energy to distribute, while second thrust piston 21 being pushed to move, the second back-moving spring 19 by It squeezes, reset while also functions to buffering and consumes the effect of mechanical energy.Second thrust piston 21 drives the thrust to connect Extension bar 17 and the porous damping sheet 12 move in second pressurization working lumen 13 equally full of damping fluid, when described When porous damping sheet 12 moves, the volume of porous 12 side of damping sheet becomes smaller, pressure rise, forces damping fluid to pass through described The low pressure chamber that the other side is flowed in damping hole 16 and the slit of 12 surrounding of porous damping sheet, can generate viscous in flow process Resistance hysteresis, damping fluid convert kinetic energy into thermal energy and pass to the external world to overcome internal friction, meanwhile, when damping fluid passes through institute It will form vortex and off-energy when stating damping hole 16.Since the contact area of second thrust piston 21 and damping fluid only has The 30%-50% of first thrust piston 7 so second thrust piston 21 is by by bigger power, while will be generated The bigger stroke than with first thrust piston 7, so that the porous damping sheet 12 be driven to generate bigger stroke and consumption More mechanical energy.
Increase the bearing energy-consumption damper 27 on marine shafting extensional vibration transmission path, is damped by multiple fluid Vibration damping link, the mechanical energy of a large amount of dissipation shafting transmitting, so that shafting longitudinal vibration is effectively controlled.
The foregoing is intended to be a preferred embodiment of the present invention.Certainly, the present invention can also have other a variety of implementations Example, without deviating from the spirit and substance of the present invention, anyone skilled in the art, when can according to this Various corresponding changes and modifications are made in invention.It is all that technical solution is formed by using equivalent substitution or equivalent transformation, should all it belong to In the protection scope of the appended claims of the present invention.

Claims (9)

1. a kind of thrust bearing energy-consumption damper peculiar to vessel, it is characterised in that: including bottom plate (3), housing (14) and force block (1), It is formed between the bottom plate (3) and the housing (14) the second pressurization working lumen (13), in second pressurization working lumen (13) Equipped with energy consuming components and damping fluid, the energy consuming components include the first thrust piston (7), the second thrust piston (21), piston cylinder (10), thrust connecting rod (17) and porous damping sheet (12), the piston cylinder (10) are size step piston cylinder, are mounted on On the bottom plate (3), first thrust piston (7) includes the first piston being nested in the big piston cylinder of the piston cylinder (10) (71) and with the first piston (71) First piston bar (72) connecting, the First piston bar (72) pass through the bottom plate (3) it is connect with the force block (1), second thrust piston (21) includes being nested in the piston cylinder (10) small piston cylinder Second piston (211) and the second piston bar (212) that is connect with the second piston (211), the second piston bar (212) Across the piston cylinder (10) shell and connect with the thrust connecting rod (17), the other end of the thrust connecting rod (17) Connect the porous damping sheet (12), first thrust piston (7), second thrust piston (21) and the piston cylinder (10) the first pressurization working lumen (8) are formed, first pressurization working lumen (8) is provided with damping fluid.
2. a kind of thrust bearing energy-consumption damper peculiar to vessel according to claim 1, it is characterised in that: the force block (1) First back-moving spring (24) are equipped between the bottom plate (3), the first back-moving spring (24) is sleeved on the first piston On bar (72), second back-moving spring (19) are equipped between second thrust piston (21) and the piston cylinder (10), described the Two reset springs (19) are sleeved on the second piston bar (212), and the first back-moving spring (24) and described second resets Spring (19) all has certain pretightning force.
3. a kind of thrust bearing energy-consumption damper peculiar to vessel according to claim 1, it is characterised in that: the porous damping sheet (12) damping hole (16) are equipped with, the percent opening of the porous damping sheet (12) is 8%-15%.
4. a kind of thrust bearing energy-consumption damper peculiar to vessel according to claim 1, it is characterised in that: the second piston (211) area is the 30%-50% of the first piston (71) area, and the first piston (71) is living equipped with the first thrust Plug sealing ring (22), the second piston (211) are equipped with the second thrust piston sealing ring (20).
5. a kind of thrust bearing energy-consumption damper peculiar to vessel according to claim 1, it is characterised in that: the force block (1) Stress surface be arcwall face.
6. a kind of thrust bearing energy-consumption damper peculiar to vessel according to claim 1, it is characterised in that: the piston cylinder (10) It is connect with the bottom plate (3) by screw (6), housing seal circle is equipped between the piston cylinder (10) and the bottom plate (3) (23)。
7. a kind of thrust bearing energy-consumption damper peculiar to vessel according to claim 1, it is characterised in that: the piston cylinder (10) Cylinder body sealing ring (18) are equipped between the thrust connecting rod (17).
8. a kind of thrust bearing energy-consumption damper peculiar to vessel according to claim 1, it is characterised in that: on the bottom plate (3) It is blocked equipped with filler and by bottom plate liquid injection hole plug screw (4), it is close that bottom plate is equipped between the bottom plate (3) and the housing (14) Seal (5), corresponding first pressurization working lumen (8) are equipped with filler and pass through piston cylinder liquid injection hole plug screw on the piston cylinder (10) (9) it blocks.
9. special according to claim 1 to a kind of assembly method of thrust bearing energy-consumption damper peculiar to vessel described in 8 any one Sign is, includes the following steps:
The First piston bar (72) of first thrust piston (7) is passed through the bottom plate (3) by the first step, and will be described First piston bar (72) is connect with the force block (1);
Second step, the shell that the second piston bar (212) of second thrust piston (21) is passed through to the cylinder body (10);
The second piston bar (212) is connect by third step with the thrust connecting rod (17), by the porous damping sheet (12) It installs on the thrust connecting rod (17);
4th step, second thrust piston (21), the piston cylinder (10), the thrust that an entirety will be connected as The piston cylinder (10) of connecting rod (17) and the porous damping sheet (12) is sleeved on the described of first thrust piston (7) On first piston (71), then it is connect with the bottom plate (3);
First pressurization working lumen (8) is filled full damping liquid by the 5th step;
The housing (14) is connect by the 6th step with the bottom plate (3);
Second pressurization working lumen (13) is filled full damping liquid by the 7th step.
CN201910264890.XA 2019-04-03 2019-04-03 Marine thrust bearing energy dissipation damper and assembling method thereof Active CN110043596B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113386939A (en) * 2021-06-24 2021-09-14 中国舰船研究设计中心 Thrust bearing device with compact structure
CN115076222A (en) * 2022-06-29 2022-09-20 中国舰船研究设计中心 Thrust and support function decoupling thrust bearing longitudinal vibration damper

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262583A (en) * 1991-12-18 1993-06-23 Jordan Valchev Georgiev Shock absorbing device
US5389018A (en) * 1992-04-27 1995-02-14 Showa Corporation Tilt cylinder unit for outboard engine
CN201461832U (en) * 2009-08-25 2010-05-12 黄晋荣 Hydraulic type damping strut
CN102128232A (en) * 2011-02-25 2011-07-20 谭和平 Multilevel retractable type magnetorheological damping device
CN105240438A (en) * 2013-06-25 2016-01-13 蒋超 Three-stage buffer with piston movement adjusted by processor according to impact pressure
CN107477130A (en) * 2017-07-13 2017-12-15 江苏科技大学 A kind of vibration absorber and its oscillation damping method for marine shafting
CN107701648A (en) * 2017-11-09 2018-02-16 成都市金川茶业有限公司 Vibration machine multiple vibration damper
CN107956835A (en) * 2017-11-10 2018-04-24 南京航空航天大学 Controllable damping molecule spring vehicle suspension

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262583A (en) * 1991-12-18 1993-06-23 Jordan Valchev Georgiev Shock absorbing device
US5389018A (en) * 1992-04-27 1995-02-14 Showa Corporation Tilt cylinder unit for outboard engine
CN201461832U (en) * 2009-08-25 2010-05-12 黄晋荣 Hydraulic type damping strut
CN102128232A (en) * 2011-02-25 2011-07-20 谭和平 Multilevel retractable type magnetorheological damping device
CN105240438A (en) * 2013-06-25 2016-01-13 蒋超 Three-stage buffer with piston movement adjusted by processor according to impact pressure
CN107477130A (en) * 2017-07-13 2017-12-15 江苏科技大学 A kind of vibration absorber and its oscillation damping method for marine shafting
CN107701648A (en) * 2017-11-09 2018-02-16 成都市金川茶业有限公司 Vibration machine multiple vibration damper
CN107956835A (en) * 2017-11-10 2018-04-24 南京航空航天大学 Controllable damping molecule spring vehicle suspension

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113386939A (en) * 2021-06-24 2021-09-14 中国舰船研究设计中心 Thrust bearing device with compact structure
CN113386939B (en) * 2021-06-24 2022-06-28 中国舰船研究设计中心 Thrust bearing device with compact structure
CN115076222A (en) * 2022-06-29 2022-09-20 中国舰船研究设计中心 Thrust and support function decoupling thrust bearing longitudinal vibration damper
CN115076222B (en) * 2022-06-29 2024-04-12 中国舰船研究设计中心 Thrust bearing longitudinal vibration damper with decoupling thrust and supporting function

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