CN106640985A - Hydraulic-driven eight-foot thrust bearing base - Google Patents
Hydraulic-driven eight-foot thrust bearing base Download PDFInfo
- Publication number
- CN106640985A CN106640985A CN201611052707.2A CN201611052707A CN106640985A CN 106640985 A CN106640985 A CN 106640985A CN 201611052707 A CN201611052707 A CN 201611052707A CN 106640985 A CN106640985 A CN 106640985A
- Authority
- CN
- China
- Prior art keywords
- thrust bearing
- actuator
- base
- contiguous block
- hydraulically powered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
-
- 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
-
- 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
- B63H2023/325—Thrust bearings, i.e. axial bearings for propeller shafts
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/30—Ships, e.g. propelling shafts and bearings therefor
Abstract
The invention discloses a hydraulic-driven eight-foot thrust bearing base, comprising a shaft, a thrust bearing, a support assembly and a base, wherein the shaft passes through the thrust bearing; the support assembly comprises two actuator groups which are respectively and symmetrically distributed at two sides of the thrust bearing; each actuator group comprises four actuators, two upper part connecting blocks positioned at one side of the thrust bearing, and three lower part connecting blocks arranged on the base; an 'M'-shaped structure is formed by the actuators, the upper part connecting blocks and the lower part connecting blocks of each actuator group; the upper part connecting blocks, the lower part connecting blocks and the actuators are connected in a way of spherical hinge connection. The thrust bearing base provided by the invention is simple, efficient and flexible; after the design is adopted, the bearing load can be evenly distributed, the working performance of a shaft system is improved, the normal operation of the shaft system is guaranteed, and active and passive control can be also effectively carried out on the vibration of the shaft system.
Description
Technical field
The present invention relates to vibration and noise reducing field, more particularly to a kind of hydraulically powered eight sufficient thrust bearing pedestal.
Background technology
At present, ship equipment damping property is increasingly subject to as an important indicator for weighing modern ships combination property
Extensive concern.Excessive ship hull vibration can cause Ship Structure to produce fatigue rupture, can affect equipment on board and instrument just
Often work, reduces precision, reduction of service life；In addition ship hull vibration and its cabin noise that causes also affect crewman and visitor
Comfortable for living.Fatigue, impact operating efficiency can be produced in people are chronically at the environment of vibration, or even jeopardizes body and be good for
Health；The vibration of ship simultaneously also brings along certain seanoise environmental pollution.Study effective ship equipment damping element tool
It is significant.
Additionally, it is one of major failure of rotating machinery to misalign failure.Misalign and refer to that driving shaft and driven shaft do not exist
On straight line.Marine propulsion shafting is the core component for transmitting power, and the working condition of shafting is directly connected to the work of whole ship
Make performance.The quality of shafting alignment quality, has to ensureing the normal operation of shafting and main frame and reducing ship hull vibration and energy consumption
Material impact.
For this purpose, in shafting installation and maintenance, the misaligned error of center line and gradient are reduced as far as possible, it is this to subtract
The operation of few misaligned error and gradient is referred to as shafting alignment correction.At present, shafting alignment correction main method have ruler method,
Dial gauge method, laser alignment method, foil gauge measuring method etc., but this several method has certain limitation, and method is complicated, behaviour
Make inconvenience, it is time-consuming longer, need professional to measure.
Meanwhile, mainly more using passive control system to thrust bearing pedestal vibration damping at present, reason for that is except quilt
Outside the factors such as the reliability height of dynamic vibrating isolation system, in addition it is also necessary to consider the factors such as the characteristic of exciting force.But passive vibration isolation is low
The effect of frequency range is poor, therefore low-frequency range high performance control is realized using active control.And main passive mixing control, with reference to
Medium-high frequency section, in low-frequency range using the method for active control, realizes the effective vibration isolation to vibration source using passive control.
The defect of prior art is：Such is using more rare, existing shafting alignment in the middle of document at home and patent
Bearing calibration adjustment is difficult, bad adaptability, and passive snubber base low-frequency range effectiveness in vibration suppression is not good, flexibility ratio is not high.
The content of the invention
For defect of the prior art, the present invention provides a kind of hydraulically powered eight sufficient thrust bearing pedestals.
The technical solution used in the present invention is：
A kind of hydraulically powered eight sufficient thrust bearing pedestal, including axle, thrust bearing, support component and base, the axle
Through the thrust bearing；The support component connects respectively the thrust bearing and the base, to support the thrust
Bearing is on the base；
Wherein described support component includes two groups of actuator groups, is respectively symmetrically the both sides for being distributed in the thrust bearing；Often
Group actuator group includes four actuator and two top contiguous blocks positioned at the thrust bearing side and positioned at the bottom
Three bottom contiguous blocks of seat；The lower end of the two of which actuator in four actuator is connected to bottom connection described in
Block and upper end connects respectively two top contiguous blocks, the upper end of two other actuator of four actuator connects respectively two
Individual top contiguous block and lower end connects respectively two other bottom contiguous block, so that every group of actuator group constitutes " M " type knot
Structure；
The top contiguous block, bottom contiguous block are connected with the connected mode of the actuator for ball pivot.
As a kind of improvement of hydraulically powered eight sufficient thrust bearing pedestals of the present invention, three bottoms connection
Block is located at respectively on three summits of an isosceles triangle and base of the isosceles triangle and puts down with the axial direction of the axle
OK.
As a kind of improvement of hydraulically powered eight sufficient thrust bearing pedestals of the present invention, positioned at the isoceles triangle
The bottom contiguous block of shape drift angle is away from the thrust bearing side.
Used as a kind of improvement of hydraulically powered eight sufficient thrust bearing pedestals of the present invention, the base is by rigid material
Material is made.
Used as a kind of improvement of hydraulically powered eight sufficient thrust bearing pedestals of the present invention, the actuator is hydraulic pressure
Actuator.
As a kind of improvement of hydraulically powered eight sufficient thrust bearing pedestals of the present invention, three bottoms connection
The bottom of block respectively offers two the first screwed holes, by six first screwed holes cause three bottom contiguous blocks with
The base is connected；The top of described two top contiguous blocks respectively offers two the first screwed holes, by four described
One screwed hole causes described two top contiguous blocks to be connected with the thrust bearing.
As a kind of improvement of hydraulically powered eight sufficient thrust bearing pedestal of the present invention, each described actuator with
Axially connected by a force snesor between the bottom contiguous block, the connection of the lower end of the force snesor and the actuator
Mode is ball pivot connection, and the upper end of the force snesor is to be threadedly coupled with the connected mode of the actuator.
The Advantageous Effects that brought using above-mentioned technical proposal of the present invention are：
The present invention mainly bears the load of thrust bearing shaft by hydraulic actuator, while it is vertical to adjust thrust bearing
Other free degree displacements of displacement and limit thrust bearing with level, adjust automatically shafting centering makes bearing load distribution equal
It is even, at the same can shaft vibration carry out leading passive control, the purpose for reducing shafting vibration noise is reached, with working stability, essence
The advantages of degree is high, effect is good；
A top contiguous block of the thrust bearing per side is connected with two actuator, constitutes two groups of spherical hinge structures, it is ensured that
The compactedness of structure；
On base in three bottom contiguous blocks of thrust bearing side the two bottom contiguous blocks in left and right respectively with two
Actuator connects, and is connected with two actuator in middle bottom contiguous block, constitutes two groups of spherical hinge structures, it is ensured that structure
Compactedness；
Actuator in every group of actuator group pairing work, eight actuator linkage works two-by-two, realize eight sufficient thrusts
The gesture stability of bearing base and vibration control；
Using hydraulic actuator, compared to other active members, with thrust is big, reliable operation, stable movement, without passing
The advantages of dynamic gap, it is ensured that the structure can also actively adjust the function of displacement while can carrying；
Using the connected mode of spherical hinge structure between actuator and base and thrust bearing, lubrication is good, there is provided three
The rotation in direction, it is ensured that active member is overall in shafting longitudinal direction and the function of lateral adjustments displacement；
Two groups of actuator groups are symmetrically arranged in the both sides of thrust bearing axial direction, are easily carried the eight sufficient thrust bearing pedestal
Load, while each actuator is identical, is conducive to the mounting design of the force snesor in each actuator.
Description of the drawings
Fig. 1 is the front view of a kind of hydraulically powered eight sufficient thrust bearing pedestals of one embodiment of the invention；
Fig. 2 is the side view of a kind of hydraulically powered eight sufficient thrust bearing pedestals of one embodiment of the invention；
Fig. 3 is the top view of a kind of hydraulically powered eight sufficient thrust bearing pedestals of one embodiment of the invention；
Fig. 4 is eight actuator arrangement of a kind of hydraulically powered eight sufficient thrust bearing pedestals of one embodiment of the invention
Top view；
In figure, 1- axles；2- thrust bearings；3- actuator；4- bases；5- bottoms contiguous block；6- tops contiguous block.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformations and improvement can also be made.These belong to the present invention
Protection domain.
As shown in Figure 1 to Figure 4, a kind of hydraulically powered eight sufficient thrust bearing pedestal, including axle 1, thrust bearing 2, support component
With base 4, axle 1 is through thrust bearing 2；Support component connects respectively thrust bearing 2 and base 4, to support thrust bearing 2 in
On base 4；
Wherein support component includes two groups of actuator groups, is respectively symmetrically the both sides for being distributed in thrust bearing；Every group of actuator
Group includes that four actuator 3 and two top contiguous blocks 6 positioned at thrust bearing side and three bottoms positioned at base connect
Connect block 5；The numbering of four actuator 3 of one of which actuator group is respectively 31-34, four starts of another group of actuator group
The numbering of device 3 is respectively 35-38；
In the side of thrust bearing, the lower end of actuator 32 and 33 is connected to a bottom contiguous block 5 and actuator 32 and 33
Upper end connect two top contiguous blocks 6 respectively, the upper end of actuator 31 and 34 connects respectively two top contiguous blocks 6 and start
The lower end of device 31 and 34 connects respectively two other bottom contiguous block 5, so that this group of actuator group constitutes " M " type structure；
In the opposite side of thrust bearing, the lower end of actuator 36 and 37 is connected to a bottom contiguous block 5 and the He of actuator 36
37 upper end connects respectively two top contiguous blocks 6, and the upper end of actuator 35 and 38 connects respectively two top contiguous blocks 6 and makees
The lower end of dynamic device 35 and 38 connects respectively two other bottom contiguous block 5, so that this group of actuator group constitutes " M " type structure；
Top contiguous block 6 and bottom contiguous block 5 described above is connected with the connected mode of actuator 3 for ball pivot.
Each top contiguous block 6 of thrust bearing 2 is connected with two actuator 3, constitutes two groups of spherical hinge structures, it is ensured that finish
The compactedness of structure.
On base 4 positioned at the side of thrust bearing 2 three bottom contiguous blocks 5 in, the bottom contiguous block 5 of left and right two respectively with
Two actuator 3 connect, and are connected with two actuator 3 in middle bottom contiguous block 5, constitute two groups of spherical hinge structures, it is ensured that
The compactedness of structure.
Using the connected mode of spherical hinge structure between actuator 3 and base 4 and thrust bearing 2, lubrication is good, there is provided three
The rotation in individual direction, it is ensured that active member is overall in shafting longitudinal direction and the function of lateral adjustments displacement.
Disturbed according to outside vibration source, eight actuator 3 produce different displacement elongations, so as to lead to system vibration
Dynamic control.
Two groups of actuator groups are symmetrically arranged in the both sides of the axial direction of thrust bearing 2, make the eight sufficient thrust bearing pedestal be easy to hold
Load with lotus.
Actuator 31 and 34,32 and 33,35 and 38,36 and 37 pairing work two-by-two, eight linkage works of action device 3 are real
Existing pedestal gesture stability and vibration control.
Further, three bottom contiguous blocks 5 are located at three summits of an isosceles triangle and the base of isosceles triangle
It is parallel with the axial direction of axle 1.So design can at utmost ensure stress balance of the thrust bearing 2 in axial direction.
Further, the bottom contiguous block 5 positioned at isosceles triangle drift angle is away from the side of thrust bearing 2.So design
Reduce the interference between mechanical part, make eight uniform forces of actuator 3, it is ensured that the flexibility of eight sufficient thrust bearing pedestals and
Stability.
Further, base 4 is made up of rigid material.Rigid material can be the pressure resistances such as brick, stone, dirt, concrete
The little material of two bending resistances, shearing strength significantly.But the present invention does not limit to and this, the base of indication of the present invention refers to the foot of mass ratio eight
Thrust bearing pedestal is much bigger, intrinsic frequency is very low, can lay eight sufficient thrust bearing pedestals according to actually used situation
Plane, such as ground on deck, land on ship etc..
Further, actuator 3 is hydraulic actuator.Using hydraulic actuator, compared to other active members, with pushing away
Power is big, reliable operation, stable movement, the advantages of there is no drive gap, it is ensured that the structure can be with while can carrying
Actively adjust the function of displacement.
Further, the bottom of three bottom contiguous blocks 5 respectively offers two the first screwed holes, by six the first screw threads
Hole causes three bottom contiguous blocks 5 to be connected with base 4；The top of two top contiguous blocks 6 respectively offers two the first screw threads
Hole, causes two top contiguous blocks 6 to be connected with thrust bearing 2 by four the first screwed holes.
Further, axially connected by a force snesor between each actuator 3 and bottom contiguous block 5, force snesor
Lower end be connected for ball pivot with the connected mode of actuator 3, the upper end of force snesor and the connected mode of actuator 3 are that screw thread connects
Connect.
The connection of above-mentioned actuator 3 and force snesor and connected mode are not as limitation of the present invention, it is understood that
Feedback and in addition active control are detected by supporting displacement transducer for the motion of hydraulic actuator.
The present invention mainly bears the load of thrust bearing by hydraulic actuator, at the same thrust bearing can be adjusted vertically and
The displacement of level and other free degree displacements of limit thrust bearing, adjust automatically shafting centering makes bearing load be evenly distributed,
Simultaneously can shaft vibration carry out leading passive control, the purpose for reducing shafting vibration noise is reached, with working stability, precision
It is high, the advantages of effect is good.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various modifications or modification, this not shadow
Ring the flesh and blood of the present invention.
Claims (7)
1. a kind of hydraulically powered eight sufficient thrust bearing pedestal, it is characterised in that：Including axle, thrust bearing, support component and bottom
Seat, the axle runs through the thrust bearing；The support component connects respectively the thrust bearing and the base, to support
The thrust bearing is on the base；
Wherein described support component includes two groups of actuator groups, is respectively symmetrically the both sides for being distributed in the thrust bearing；Per group of work
Dynamic device group includes four actuator and two top contiguous blocks positioned at the thrust bearing side and positioned at the base
Three bottom contiguous blocks；The lower end of the two of which actuator in four actuator be connected to bottom contiguous block described in one and
Upper end connects respectively two top contiguous blocks, and the upper end of two other actuator of four actuator connects respectively on two
Portion's contiguous block and lower end connects respectively two other bottom contiguous block, so that every group of actuator group constitutes " M " type structure；
The top contiguous block, bottom contiguous block are connected with the connected mode of the actuator for ball pivot.
2. the hydraulically powered eight sufficient thrust bearing pedestal of one kind according to claim 1, it is characterised in that：Under described three
Portion's contiguous block is located at respectively the axial direction on three summits of an isosceles triangle and base of the isosceles triangle and the axle
Direction is parallel.
3. the hydraulically powered eight sufficient thrust bearing pedestal of one kind according to claim 2, it is characterised in that：Positioned at described etc.
The bottom contiguous block of lumbar triangle shape drift angle is away from the thrust bearing side.
4. the hydraulically powered eight sufficient thrust bearing pedestal of one kind according to claim 1, it is characterised in that：The base by
Rigid material is made.
5. the hydraulically powered eight sufficient thrust bearing pedestal of one kind according to claim 1, it is characterised in that：The actuator
For hydraulic actuator.
6. the hydraulically powered eight sufficient thrust bearing pedestal of one kind according to claim 1, it is characterised in that：Under described three
The bottom of portion's contiguous block respectively offers two the first screwed holes, by six first screwed holes three bottoms is connected
Connect block to be connected with the base；The top of described two top contiguous blocks respectively offers two the first screwed holes, by four
First screwed hole causes described two top contiguous blocks to be connected with the thrust bearing.
7. the hydraulically powered eight sufficient thrust bearing pedestal of one kind according to claim 1, it is characterised in that：Each described work
By a force snesor axially connection, the lower end of the force snesor and the actuator between dynamic device and the bottom contiguous block
Connected mode be ball pivot connection, the connected mode of the upper end of the force snesor and the actuator is to be threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052707.2A CN106640985B (en) | 2016-11-24 | 2016-11-24 | A kind of eight sufficient thrust bearing pedestals of hydraulic-driven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052707.2A CN106640985B (en) | 2016-11-24 | 2016-11-24 | A kind of eight sufficient thrust bearing pedestals of hydraulic-driven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640985A true CN106640985A (en) | 2017-05-10 |
| CN106640985B CN106640985B (en) | 2019-02-22 |
Family
ID=58812757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611052707.2A Active CN106640985B (en) | 2016-11-24 | 2016-11-24 | A kind of eight sufficient thrust bearing pedestals of hydraulic-driven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640985B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651151A (en) * | 2017-08-16 | 2018-02-02 | 中国船舶重工集团公司第七〇九研究所 | A kind of intermediate bearing automatic centring device |
| CN111237348A (en) * | 2020-01-14 | 2020-06-05 | 上海交通大学 | Small waterplane area catamaran type inverted thrust bearing base and design method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191514760A (en) * | 1915-10-19 | 1916-10-12 | Robert Blane | Improvements in Pedestal End Bearings. |
| GB231384A (en) * | 1924-09-03 | 1925-04-02 | Russell Heppard Bowen | Improvements in shaft hangers |
| AU1094500A (en) * | 1998-09-22 | 2000-04-10 | Thomson Industries Inc. | Pillow block bearing |
| CN1686760A (en) * | 2005-06-20 | 2005-10-26 | 北京航空航天大学 | Nine freedom six feet all direction walking detection car |
| JP2011033186A (en) * | 2009-05-20 | 2011-02-17 | Kanai Denki Seisakusho:Kk | Power transmission mechanism and robot using the same |
| CN202520792U (en) * | 2012-04-13 | 2012-11-07 | 宁波超亿门业有限公司 | Rolling shutter door bearing carrier adjusting support |
| WO2016073343A1 (en) * | 2014-11-03 | 2016-05-12 | First Solar, Inc. | Mounting device for a photovoltaic module |
-
2016
- 2016-11-24 CN CN201611052707.2A patent/CN106640985B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191514760A (en) * | 1915-10-19 | 1916-10-12 | Robert Blane | Improvements in Pedestal End Bearings. |
| GB231384A (en) * | 1924-09-03 | 1925-04-02 | Russell Heppard Bowen | Improvements in shaft hangers |
| AU1094500A (en) * | 1998-09-22 | 2000-04-10 | Thomson Industries Inc. | Pillow block bearing |
| CN1686760A (en) * | 2005-06-20 | 2005-10-26 | 北京航空航天大学 | Nine freedom six feet all direction walking detection car |
| JP2011033186A (en) * | 2009-05-20 | 2011-02-17 | Kanai Denki Seisakusho:Kk | Power transmission mechanism and robot using the same |
| CN202520792U (en) * | 2012-04-13 | 2012-11-07 | 宁波超亿门业有限公司 | Rolling shutter door bearing carrier adjusting support |
| WO2016073343A1 (en) * | 2014-11-03 | 2016-05-12 | First Solar, Inc. | Mounting device for a photovoltaic module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651151A (en) * | 2017-08-16 | 2018-02-02 | 中国船舶重工集团公司第七〇九研究所 | A kind of intermediate bearing automatic centring device |
| CN111237348A (en) * | 2020-01-14 | 2020-06-05 | 上海交通大学 | Small waterplane area catamaran type inverted thrust bearing base and design method thereof |
| CN111237348B (en) * | 2020-01-14 | 2021-07-06 | 上海交通大学 | Small waterplane area catamaran type inverted thrust bearing base and design method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640985B (en) | 2019-02-22 |
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