CN106640976A - Thrust bearing - Google Patents
Thrust bearing Download PDFInfo
- Publication number
- CN106640976A CN106640976A CN201611184807.0A CN201611184807A CN106640976A CN 106640976 A CN106640976 A CN 106640976A CN 201611184807 A CN201611184807 A CN 201611184807A CN 106640976 A CN106640976 A CN 106640976A
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- CN
- China
- Prior art keywords
- thrust bearing
- graphite flake
- thrust
- balance weight
- pressing plate
- 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.)
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Classifications
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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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/16—Sliding surface consisting mainly of graphite
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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
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
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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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
- F16C2202/52—Graphite
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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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention relates to a thrust bearing and belongs to the technical field of bearing lubrication. The thrust bearing comprises a bearing seat, a thrust pad and a balance part. A storing cavity for storing the thrust pad is formed in the bearing seat, and the thrust pad and the balance part are detachably installed in the bearing seat in an embedded mode; and the thrust pad comprises a graphite flake with a pin hole, a pad holder and a pressing plate, wherein a pine hole is formed in the graphite flake, the graphite flake and the pad holder are fixed into a whole through the pressing plate, and the graphite flake moves together with the pad holder. Through the graphite flake which is integrally fixed to the pad holder and moves together with the pad holder, the thrust bearing is suitable for different lubricating media; meanwhile, through the pin hole formed in the graphite flake, the membrane pressure and temperature a membrane formed by the lubricating media can be directly detected, the actual working condition in the thrust bearing can be mastered, real-time monitoring and timely adjusting can be achieved, the service environment of the thrust bearing is improved according to the actual work condition, and the service life of the thrust bearing is prolonged.
Description
Technical field
The present invention relates to bearing lubrication technical field, more particularly to a kind of all of load of each tile fragment that can test
Thrust bearing.
Background technology
It, using the machine structural parts of hydrodynamic lubrication bearing principle, is one of generating set critical component that thrust bearing is,
It carries the whole axial load of unit.The supporting way of thrust bearing is to thrust bearing and the safe and stable operation of unit
Play vital effect, conventional rigid screw support structure because being difficult adjustment, watt stress make each watt of discontinuity
Degree is larger and Jing often affects thrust bearing safe operation or even causes unit burning accident, causes power station economic loss.
Nuclear power technology system center main reactor pump be protected type electrodynamic pump, protected type electrodynamic pump, i.e. pump and shield electric machine
Combine together, bearing adopts water lubrication working method.Thrust bearing is one of most important part of core main pump, and whether its design
To rationally the reliability service of core main pump be directly influenced.The bearing capacity and wear-out life of water-lubricated dynamic sliding bearing is restriction
The key factor of this bearing application.Traditional water lubricating thrust bearing each thrust bearing shoe valve plane is difficult to keep in the same plane,
Load skewness during operation, makes the operational factors such as water film thickness, temperature, the wear extent of each thrust bearing shoe valve inconsistent, integral bearing
Optimum performance can not be played, vibration during longtime running increases, and bearing shell is easily damaged, and reliability is reduced.
Several adjustment modes are proposed for the lubrication and balance between Bearing inner tile fragment in prior art, but is all existed
Various problems：1st, a kind of thrust bearing supported by elastic cushion that CN2009201214587 is provided, the support thrust bearing includes thrust
Watt, bearing block, thrust bearing shoe valve is fixed on bearing block by straight pin, and resilient rubbber cushion is supported by between thrust bearing shoe valve and bearing block,
Support to thrust bearing shoe valve is realized by resilient rubbber cushion, only considers that it carries function and glossy slip ring during the Designing Thrust Bearing
Border, it is impossible to for water lubrication, and in the case where bearing load is very big, resilient rubbber cushion is easily aging and fails；2、
The coordinated type self-balancing water lubricating thrust bearing that CN2015104375557 is provided, by arranging upper balance weight, lower balance weight peace
Weighing apparatus post, is machined with sloping platform on upper balance weight and lower balance weight, balance columns are placed on oblique between balance weight and lower balance weight
Among platform, by the upper balance weight and lower balance weight of balance columns overlap joint, the load for dynamically adjusting and reducing between each watt is realized
Difference, and this kind relies primarily on balance weight and lower balance using the upper balance weight of balance columns overlap joint and the joint form of lower balance weight
The sloping platform processed on block is limiting, balance monolithic thrust bearing shoe valve load variations, and is fixed on the spring under lower balance weight and realizes oneself
, when thrust bearing meets with the increasing dynamic loading of impact moment, there is the balance brought due to larger unbalance loading in the reset of balance
The risk that post comes off, above-mentioned to have upper and lower balance weight and balance columns to be overlapped to form holistic form, its integral rigidity is relatively low, aligning energy
Power is poor, it is easy to wear and tear, and for weak at the sloping platform of limiting balance post, and it is poor to bear pressure capability, and because of long-term corrosion or
Dirt accumulation makes balance columns movable dumb in sloping platform, so as to easily cause abrasion and rupture, while planform also compared with
Complexity, processing difficulties, the accuracy of manufacture is difficult to ensure card.
Therefore, this also constitutes the structure for requiring further improvement thrust bearing, it is particularly suitable rotating speed is higher, load compared with
Adjust automatically, the structure of balance of the big each thrust bearing shoe valve in thrust bearing inside, with the problems of solution.
The content of the invention
For the problems referred to above that prior art is present, it is an object of the invention to provide a kind of thrust bearing, it can be detected
Bearing inner oil film temperature and oil-film force, also comprising Self-balancing and function is followed, possess each watt of difference in height of adjust automatically
Function, i.e. balance weight bridging arrangement；This bridging arrangement can complete to adjust each watt of difference in height in the case of certain pretightning force
Adjustment work.
Purpose of the invention provides a kind of thrust bearing for high drop, including bearing block, thrust bearing shoe valve and balance
Portion, wherein, the containing cavities for accommodating thrust bearing shoe valve are offered inside the bearing block, the thrust bearing shoe valve and balance portion are embedded,
The inside of bearing block is detachably arranged in, the thrust bearing shoe valve includes offering graphite flake, Wa Tuo and the pressing plate of pin-and-hole, the stone
Ink sheet is integrally fixed by pressing plate with a watt support, and the setting of motion altogether therewith, by fixing and transporting altogether therewith with a watt support one
The dynamic graphite flake for arranging so that thrust bearing can be suitable for the medium of different lubrications, such as water and/or oil, while by opening up
Pin-and-hole on graphite flake, can directly measure to form film pressure and film temperature that lubricant medium forms film, be conducive to thrust
The assurance of Bearing inner actual condition, is capable of achieving monitoring in real time and timely adjusts, and can improve thrust shaft according to actual condition
The use environment held, the service life to extending thrust bearing has the meaning on great.
Preferably, the graphite flake is machined with ladder platform, the engaging of pressing plate one end along the two ends of the radial direction of bearing block
On the ladder platform of graphite flake, the other end being oppositely arranged is covered in graphite flake in watt support by screw, is tightened to one
The fixation of body.
Preferably, film pressure and film temperature that lubricant medium forms film are formed for the ease of understanding and grasping in real time, is had
Beneficial to the assurance of thrust bearing inside actual condition, it is capable of achieving monitoring in real time and timely adjusts, it is described to be opened in graphite flake
On pin-and-hole include through the thermometer hole for arranging and survey oil-film force hole, wherein, the thermometer hole and survey the equal of oil-film force hole interval
Cloth keeps the setting for connecting on the disc of graphite flake with the oil guide groove opened up in watt support.
Preferably, in order to ensure can closely be fitted with a watt support by graphite flake, the pressing plate include the first pressing plate, the
Two pressing plates and the first stop screw, wherein, the first pressing plate top processes fluted, the setting that can be engaged with the step of graphite flake,
Its bottom Chao Watuo extends, and is fixed in watt support by the first stop screw；Second pressing plate top is thicker, bottom gradually it is thin gradually
Become and arrange, and be folded between graphite flake and bearing block, the axis direction along bearing block extends.
Preferably, in order to prevent displacement of the graphite flake along bearing block radial direction, process in the outside circumference of described watt of support
There is the ladder platform for limiting the second pressing plate, the second pressing plate bottom is shelved on watt ladder platform of support.
Preferably, in order to more accurately obtain the load acted on thrust bearing shoe valve, the thrust bearing shoe valve also includes memory type
The pivot being fixed on watt in support.
Preferably, what the pivot was inserted is fixed on watt bottom face of support.
Preferably, the pivot includes sphere and lead, and sphere is folded between the balance weight in pivot and balance portion, lead
The external stress detection device of connection, by being folded in the sphere between pivot and balance weight, enables to thrust bearing shoe valve circumference
The pendulum that inclines, so as to realize by the load being subject to disperse, while by the stress loading being subject to by lead pass to stress mornitoring dress
Put, stress of the thrust bearing shoe valve under load effect is fed back in real time and shown, to grasp in real time inside thrust bearing
Single thrust bearing shoe valve actual condition.
Preferably, it is poor for the dynamic auto load adjusted between each thrust bearing shoe valve in thrust bearing inside in order to realize, institute
Balance portion is stated including balance weight, lower balance weight and spacer pin in least one set, wherein, along the radial direction of bearing block, upper balance weight and
Lower balance weight is by spacer pin and the bearing block fixation that tiltable overturns in certain angle；Along the circumference of bearing block, upper balance
Block and lower balance weight outer end arc radius are more than the setting of inner segment arc radius, and upper balance weight overturns with lower balance weight tiltable
Staggeredly overlap；With this, when thrust bearing shoe valve load has larger difference, load transfers load to pivot by thrust bearing shoe valve,
Pivot overturns in the presence of sphere relative to run-off the straight in bearing block certain angle, balance weight and lower balance weight phase in driving
Upset to bearing block run-off the straight, the adjacent thrust watt run-off the straight that the drive of gearing is attached thereto overturns so that monolithic is pushed away
The unbalance loading that power watt is subject to is distributed on the periphery thrust bearing shoe valve being attached thereto so that thrust bearing shoe valve can follow thrust disc to send out with dynamic realtime
Raw to move axially, thrust bearing shoe valve is remained with thrust disc and contacted, and eliminates the dynamic loading of impact moment in operation process, is alleviated
Impact of the dynamic loading to thrust tile-base surface material, improves thrust bearing reliability of operation；In other words, thrust bearing is occurred
During larger unbalance loading, the load that before single thrust bearing shoe valve is subject to is distributed to by the phase being attached thereto by upper balance weight and lower balance weight
On adjacent thrust bearing shoe valve, so as to, have gearing stress of a force dispersion into partial face, dynamically adjust and actively reduce each thrust bearing shoe valve it
Between load it is poor, so as to reduce temperature and the loss of heavy load lower thrust watt, reduce unbalance loading and bring the peeling of tiling fatigue of materials
Risk, thrust bearing shoe valve can follow thrust disc to move axially with dynamic realtime so that thrust bearing shoe valve remains with thrust disc and contact,
Improve thrust bearing reliability of operation.
Preferably, in order to realize what is interlocked between upper balance weight and lower balance weight well, the spacer pin includes spacing
Groove, the first spacer pin, the second stop screw and the second spacer pin, wherein, stopper slot is opened on bearing block, is connected with containing cavities
Setting；First spacer pin runs through stopper slot, is connected with thrust bearing shoe valve；Second stop screw through bearing block outer peripheral face, it is and upper
Balance weight connects；Second spacer pin is through the bottom of bearing block, the connection with lower balance weight tiltable upset.
Compared with prior art, the present invention provides a kind of thrust bearing, by fixing and moving altogether therewith with a watt support one
The graphite flake of setting so that thrust bearing can be suitable for the medium of different lubrications, while by the pin-and-hole being opened on graphite flake,
Can directly measure to form film pressure and film temperature that lubricant medium forms film, be conducive to thrust bearing inside actual condition
Hold, be capable of achieving monitoring in real time and timely adjust, the use environment of thrust bearing according to actual condition, can be improved；Pass through
The first pressing plate for arranging and the second pressing plate, it is ensured that form being completely covered for graphite flake layer on watt support, breach prior art
In, dependence of the thrust bearing to single lubricant medium, meanwhile, the pin-and-hole that can be directly opened on graphite flake, extremely easily
Measure to form film pressure and film temperature that lubricant medium forms film, be conducive to the assurance of thrust bearing inside actual condition, can be real
Now monitor in real time and timely adjust.
Description of the drawings
The dimensional structure diagram of the thrust bearing that Fig. 1 is provided for the present invention；
The structural representation of the thrust bearing shoe valve suitable for thrust bearing that Fig. 2 is provided for the present invention；
The structural representation of another thrust bearing shoe valve suitable for thrust bearing that Fig. 3 is provided for the present invention；
The structural representation of the pivot of the thrust bearing that Fig. 4 is provided for the present invention；
The structural representation of another pivot of the thrust bearing that Fig. 5 is provided for the present invention；
The structural representation in the balance portion for being suitable for thrust bearing that Fig. 6 is provided for the present invention；
The structural section schematic diagram in the balance portion of the thrust bearing that Fig. 7 is provided for the present invention；
Another schematic diagram of structural section in the balance portion of the thrust bearing that Fig. 8 is provided for the present invention.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the present invention, is not limited to the present invention.
For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing such as a device or feature shown in the figure and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
In a kind of thrust bearing that the present invention is provided, its structure as shown in Figures 1 to 6, including bearing block 10, thrust bearing shoe valve 20
With balance portion 30, wherein, the containing cavities 11 for accommodating thrust bearing shoe valve 20, thrust bearing shoe valve 20 and balance portion are offered inside bearing block 10
30 is embedded, is detachably arranged in the inside of bearing block 10, and thrust bearing shoe valve 20 includes offering graphite flake 21, watt support 22 of pin-and-hole
With pressing plate 23, the graphite flake 21 is integrally fixed by pressing plate 23 with a watt support 22, and the setting of motion altogether therewith, with this, is passed through
Graphite flake fixed with watt support one and that therewith altogether motion is arranged so that thrust bearing can be suitable for the medium of different lubrications, example
Such as water and/or oil, while by the pin-and-hole being opened on graphite flake, can directly measure to form the film that lubricant medium forms film
Pressure and film temperature, are conducive to the assurance of thrust bearing inside actual condition, are capable of achieving monitoring in real time and timely adjust, can
According to actual condition, the use environment of thrust bearing is improved, the service life to extending thrust bearing has the meaning on great.
Specifically, as shown in Fig. 2 graphite flake 21 is machined with ladder platform along the two ends of the radial direction of bearing block 10, pressure
The one end of plate 23 is fastened on the ladder platform of graphite flake 21, and the other end being oppositely arranged is pasted graphite flake 21 by screw
In watt support 22, the fixation being fastened together；The mould that lubricant medium forms film is formed for the ease of understanding and grasping in real time
Power and film temperature, are conducive to the assurance of thrust bearing inside actual condition, are capable of achieving monitoring in real time and timely adjust, and open up
Pin-and-hole on graphite flake 21 includes running through the thermometer hole 211 of setting and survey oil-film force hole 212, wherein, thermometer hole 211 and survey are oily
What membrane forces hole 212 was spaced is distributed on the disc of graphite flake 21, and keeps the setting for connecting with the oil guide groove opened up in watt support 22,
With this, it is easy to deep enough and close watt of support of detection means energy, reduces the error in measurement process.
It is preferably carried out in mode in the present invention, in order to ensure can closely be fitted with a watt support by graphite flake, preferably
Ground, as shown in figure 3, pressing plate 23 includes the first pressing plate 231, the second pressing plate 232 and the first stop screw 233, wherein, the first pressing plate
The processing of 231 tops is fluted, and the setting that can be engaged with the step of graphite flake 21, its bottom Chao Watuo 22 extends, and by first
Stop screw 233 is fixed in watt support 22；The top of second pressing plate 232 is thicker, and the gradually thin gradual change in bottom is arranged, and is folded in graphite
Between piece 21 and bearing block 10, the axis direction along bearing block 10 extends；After the compacting of step by graphite flake both sides, with watt
Support is fastened together, and in the outer circumferential of bearing block, the second pressing plate of sandwiched, it is ensured that, graphite flake along bearing block radially
Can closely fit with a watt support；Further, in order to prevent displacement of the graphite flake along bearing block radial direction, outside watt support 22
The ladder platform for limiting the second pressing plate 232 is machined with lateral circle surface, the bottom of the second pressing plate 232 is shelved on a watt rank for support 22
On terraced platform, with this, it is easy to the quick positioning of the second pressing plate 232, and limits the relative displacement between graphite flake and watt support.
It is preferably carried out in mode in the present invention, in order to more accurately obtain the load acted on thrust bearing shoe valve 20, such as
Shown in Fig. 5 and Fig. 6, thrust bearing shoe valve 20 is also including the pivot 24 being fixed in watt support 21 of memory type, it is preferable that the pivot 24 is should
Power piece, specifically, pivot 24 is inserted to be fixed on watt bottom face of support 21, further, as shown in figure 5, pivot 24 is wrapped
Sphere 241 and lead 242 are included, wherein, sphere 241 is folded between the balance weight in pivot 24 and balance portion 30, and lead 242 connects
External stress detection device, by being folded in the sphere between pivot and balance weight, enables to inclining for thrust bearing shoe valve circumference
Pendulum, to realize disperseing the load being subject to, while the stress loading being subject to is passed into stress detection device by lead, will
Stress of the thrust bearing shoe valve under load effect feeds back in real time and shows, to grasp single inside thrust bearing in real time
The actual condition of thrust bearing shoe valve.
In sum, by first pressing plate and the second pressing plate of setting, it is ensured that form the complete of graphite flake layer on watt support
All standing, in breaching prior art, dependence of the thrust bearing to single lubricant medium, meanwhile, can directly be opened in graphite
Pin-and-hole on piece, extremely easily measures to form film pressure and film temperature that lubricant medium forms film, is conducive in thrust bearing
The assurance of portion's actual condition, is capable of achieving monitoring in real time and timely adjusts.
It is preferably carried out in mode in the present invention, as shown in Figure 6 to 8, balance portion 30 is folded in thrust bearing shoe valve 20 and bearing
Between seat 10, according to thrust bearing shoe valve loading conditions, the height of adjust automatically thrust bearing shoe valve, the uniform stand under load of one group of thrust bearing shoe valve is made., specifically
Ground, balance portion 30 includes balance weight 31, lower balance weight 32 and spacer pin 33 in least one set, wherein, along the radial direction of bearing block 10,
Upper balance weight 31 and lower balance weight 32 are by spacer pin 33 and the fixation that tiltable overturns in certain angle of bearing block 10；Along axle
The circumference of bearing 10, on this balance weight 31 and the outer end arc radius of lower balance weight 32 more than inner segment arc radius setting, and on
Balance weight 31 is staggeredly overlapped with what the lower tiltable of balance weight 32 overturn；With this, when there is larger difference in thrust bearing shoe valve load, load
Pivot is transferred load to by thrust bearing shoe valve, pivot in the presence of sphere, relative to run-off the straight in bearing block certain angle
Upset, balance weight and lower balance weight are with respect to the upset of bearing block run-off the straight in driving, and it is adjacent that the drive of gearing is attached thereto
Thrust bearing shoe valve run-off the straight overturns so that the unbalance loading that monolithic thrust bearing shoe valve is subject to is distributed on the periphery thrust bearing shoe valve being attached thereto so that
Thrust bearing shoe valve can follow thrust disc to move axially with dynamic realtime, and thrust bearing shoe valve is remained with thrust disc and contacted, and eliminate work
The dynamic loading of impact moment during industry, alleviates impact of the dynamic loading to thrust tile-base surface material, improves thrust shaft acknowledgement of consignment
Capable reliability；In other words, when thrust bearing into larger unbalance loading occurring, single before will be pushed away by upper balance weight and lower balance weight
The load that power watt is subject to is distributed on the adjacent thrust watt being attached thereto, so as to there is a force dispersion to receive into the gearing of partial face
Power, it is poor to dynamically adjust and actively reduce load between each thrust bearing shoe valve, so as to reduce temperature and the loss of heavy load lower thrust watt,
The risk that unbalance loading brings tiling fatigue of materials to peel off is reduced, thrust bearing shoe valve can follow thrust disc to occur axially to move with dynamic realtime
It is dynamic so that thrust bearing shoe valve remains with thrust disc and contact, improve thrust bearing reliability of operation.
Preferably, in order to realize what is interlocked between upper balance weight and lower balance weight well, spacer pin 33 includes stopper slot
331st, the first spacer pin 332, the second stop screw 333 and the second spacer pin 334, wherein, stopper slot 331 is opened in bearing block 10
On, the setting connected with containing cavities 11；First spacer pin 332 runs through stopper slot 331, is connected with thrust bearing shoe valve 20；Second spacing spiral shell
Nail 333 is connected through the outer peripheral face of bearing block 10 with upper balance weight 31；Second spacer pin 334 runs through the bottom of bearing block 10, with
The connection of the lower tiltable of balance weight 32 upset.
In sum, when thrust bearing shoe valve load has larger difference, dynamically adjust and actively reduce between each thrust bearing shoe valve
Load is poor, so as to reduce temperature and the loss of heavy load lower thrust watt, reduces the wind that unbalance loading brings tiling fatigue of materials to peel off
Danger.Meanwhile, the present invention have follow function automatically, when thrust bearing is moved axially, thrust bearing shoe valve can with dynamic realtime with
Move axially with thrust disc so that thrust bearing shoe valve remains with thrust disc and contact, eliminate impact moment in operation process
Dynamic loading, alleviate impact of the dynamic loading to thrust tile-base surface material, improve thrust bearing reliability of operation.The present invention
Increased Self-balancing, this self-balance structure can according to thrust bearing shoe valve unbalance loading be subjected to displacement each thrust bearing shoe valve of rear adjust automatically it
Between difference in height.
Additionally, in order to avoid unbalance loading is directly to the shock loading of thrust bearing shoe valve, also including the top of thrust bearing shoe valve 20 is arranged on, with axle
The thrust disc 40 that the coaxial line of bearing 10 is arranged, effectively avoids unbalance loading and directly the shock loading of thrust bearing shoe valve is made by thrust disc
Into material damage.
Although patent of the present invention is disclosed as above with preferred embodiment, it is not for limiting patent of the present invention, appointing
What those skilled in the art may be by the method and skill of the disclosure above in the spirit and scope without departing from patent of the present invention
Art content makes possible variation and modification to technical solution of the present invention, therefore, it is every without departing from art solutions of the present invention
Content, above example is made any simple modification according to the technical spirit of patent of the present invention, equivalent variations and repair
Decorations, belong to the protection domain of art solutions of the present invention.
Claims (10)
1. a kind of thrust bearing, including bearing block (10), thrust bearing shoe valve (20) and balance portion (30), wherein, the bearing block (10)
Inside offers the containing cavities (11) for accommodating thrust bearing shoe valve (20), and the thrust bearing shoe valve (20) and balance portion (30) are embedded, can
The inside installed in bearing block (10) of dismounting, it is characterised in that the thrust bearing shoe valve (20) is including the graphite flake for offering pin-and-hole
(21), Wa Tuo (22) and pressing plate (23), the graphite flake (21) is integrally fixed by pressing plate (23) with a watt support (22), and therewith
The setting of motion altogether.
2. thrust bearing according to claim 1, it is characterised in that radial direction of the graphite flake (21) along bearing block (10)
The two ends in direction are machined with ladder platform, and pressing plate (23) one end is fastened on the ladder platform of graphite flake (21), is oppositely arranged
Other end is covered in graphite flake (21) on Wa Tuo (22), the fixation being fastened together by screw.
3. thrust bearing according to claim 1 and 2, it is characterised in that the pin-and-hole being opened on graphite flake (21)
Including through the thermometer hole (211) for arranging and surveying oil-film force hole (212), wherein, the thermometer hole (211) and survey oil-film force hole
(212) what is be spaced is distributed on the disc of graphite flake (21), and keeps the setting for connecting with the oil guide groove opened up in watt support (22).
4. thrust bearing according to claim 1, it is characterised in that the pressing plate (23) including the first pressing plate (231),
Two pressing plates (232) and the first stop screw (233), wherein, the processing of the first pressing plate (231) top is fluted, with graphite flake (21)
The setting that can engage of step, its bottom Chao Watuo (22) extends, and is fixed on Wa Tuo (22) by the first stop screw (233)
On；Second pressing plate (232) top is thicker, and the gradually thin gradual change in bottom is arranged, and be folded in graphite flake (21) and bearing block (10) it
Between, the axis direction along bearing block (10) extends.
5. thrust bearing according to claim 4, it is characterised in that be machined with use in the outside circumference of described watt of support (22)
To limit the ladder platform of the second pressing plate (232), the second pressing plate (232) bottom is shelved on the ladder platform of Wa Tuo (22)
On.
6. thrust bearing according to claim 1, it is characterised in that the thrust bearing shoe valve (20) is also including the fixation of memory type
Pivot (24) in watt support (21).
7. thrust bearing according to claim 6, it is characterised in that the pivot (24) it is inserted be fixed on Wa Tuo
(21) on bottom face.
8. the thrust bearing according to claim 6 or 7, it is characterised in that the pivot (24) is including sphere (241) and draws
Line (242), sphere (241) is folded between the balance weight of pivot (24) and balance portion (30), and lead (242) connects external answering
Force checking device.
9. thrust bearing according to claim 1, it is characterised in that the balance portion (30) includes being balanced in least one set
Block (31), lower balance weight (32) and spacer pin (33), wherein, along the radial direction of bearing block (10), upper balance weight (31) and lower balance
The fixation that block (32) passes through the tiltable upset in certain angle of spacer pin (33) and bearing block (10)；Along the week of bearing block (10)
To, upper balance weight (31) and lower balance weight (32) outer end arc radius more than inner segment arc radius setting, and upper balance weight
(31) with the staggeredly overlap joint of lower balance weight (32) tiltable upset.
10. thrust bearing according to claim 9, it is characterised in that the spacer pin (33) including stopper slot (331),
First spacer pin (332), the second stop screw (333) and the second spacer pin (334), wherein, stopper slot (331) is opened in bearing
On seat (10), the setting connected with containing cavities (11)；First spacer pin (332) connects through stopper slot (331) with thrust bearing shoe valve (20)
Connect；Second stop screw (333) is connected through the outer peripheral face of bearing block (10) with upper balance weight (31)；Second spacer pin (334)
Through the bottom of bearing block (10), the connection with lower balance weight (32) tiltable upset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184807.0A CN106640976B (en) | 2016-12-20 | 2016-12-20 | A kind of thrust bearing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830067A (en) * | 2017-12-06 | 2018-03-23 | 中国船舶重工集团公司第七0三研究所 | A kind of steam turbine radial journal bearing temperature measurement structure |
| CN110793696A (en) * | 2019-12-10 | 2020-02-14 | 湖南崇德工业科技有限公司 | Axial load measuring device and method for rotating equipment |
| CN112576611A (en) * | 2020-12-17 | 2021-03-30 | 哈尔滨电气动力装备有限公司 | Water lubrication thrust tile lateral elastic baffle limiting structure |
| CN112943616A (en) * | 2021-02-19 | 2021-06-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN113323960A (en) * | 2021-05-08 | 2021-08-31 | 武汉理工大学 | Elastic support tilting pad magnetic liquid double-floating thrust bearing |
| CN113565863A (en) * | 2021-06-18 | 2021-10-29 | 湖南崇德科技股份有限公司 | Multi-thrust bearing |
| CN113775642A (en) * | 2021-09-15 | 2021-12-10 | 上海涟屹轴承科技有限公司 | Thrust bearing and rotating shaft |
| CN114382782A (en) * | 2021-12-20 | 2022-04-22 | 哈尔滨电气动力装备有限公司 | Water-lubricated thrust tile surface water tank lubricating structure |
| CN115163658A (en) * | 2022-07-22 | 2022-10-11 | 中国华能集团清洁能源技术研究院有限公司 | Sliding main bearing, assembling method thereof and wind turbine generator transmission system |
| US11746676B1 (en) * | 2023-02-13 | 2023-09-05 | General Electric Company | Thrust bearing assembly |
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| CN1459006A (en) * | 2001-03-16 | 2003-11-26 | 大丰工业株式会社 | Sliding material |
| RU2221931C1 (en) * | 2001-12-18 | 2004-01-20 | Акционерное общество открытого типа "Электросила" | Hydro generator thrust bearing |
| CN1480656A (en) * | 2002-07-18 | 2004-03-10 | 株式会社三协精机制作所 | Bearing device and its mfg. method |
| CN205078606U (en) * | 2015-09-18 | 2016-03-09 | 哈尔滨电气动力装备有限公司 | Lubricated two way operation thrust bearing device of water |
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| CN1459006A (en) * | 2001-03-16 | 2003-11-26 | 大丰工业株式会社 | Sliding material |
| RU2221931C1 (en) * | 2001-12-18 | 2004-01-20 | Акционерное общество открытого типа "Электросила" | Hydro generator thrust bearing |
| CN1480656A (en) * | 2002-07-18 | 2004-03-10 | 株式会社三协精机制作所 | Bearing device and its mfg. method |
| CN205078606U (en) * | 2015-09-18 | 2016-03-09 | 哈尔滨电气动力装备有限公司 | Lubricated two way operation thrust bearing device of water |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830067A (en) * | 2017-12-06 | 2018-03-23 | 中国船舶重工集团公司第七0三研究所 | A kind of steam turbine radial journal bearing temperature measurement structure |
| CN110793696A (en) * | 2019-12-10 | 2020-02-14 | 湖南崇德工业科技有限公司 | Axial load measuring device and method for rotating equipment |
| CN112576611A (en) * | 2020-12-17 | 2021-03-30 | 哈尔滨电气动力装备有限公司 | Water lubrication thrust tile lateral elastic baffle limiting structure |
| CN112943616A (en) * | 2021-02-19 | 2021-06-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN113323960A (en) * | 2021-05-08 | 2021-08-31 | 武汉理工大学 | Elastic support tilting pad magnetic liquid double-floating thrust bearing |
| CN113565863A (en) * | 2021-06-18 | 2021-10-29 | 湖南崇德科技股份有限公司 | Multi-thrust bearing |
| CN113775642A (en) * | 2021-09-15 | 2021-12-10 | 上海涟屹轴承科技有限公司 | Thrust bearing and rotating shaft |
| CN113775642B (en) * | 2021-09-15 | 2023-08-22 | 上海涟屹轴承科技有限公司 | Thrust bearing and rotating shaft |
| CN114382782A (en) * | 2021-12-20 | 2022-04-22 | 哈尔滨电气动力装备有限公司 | Water-lubricated thrust tile surface water tank lubricating structure |
| CN114382782B (en) * | 2021-12-20 | 2024-02-20 | 哈尔滨电气动力装备有限公司 | Water lubrication structure for water lubrication thrust tile surface water tank |
| CN115163658A (en) * | 2022-07-22 | 2022-10-11 | 中国华能集团清洁能源技术研究院有限公司 | Sliding main bearing, assembling method thereof and wind turbine generator transmission system |
| US11746676B1 (en) * | 2023-02-13 | 2023-09-05 | General Electric Company | Thrust bearing assembly |
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