CN106640976B - A kind of thrust bearing - Google Patents
A kind of thrust bearing Download PDFInfo
- Publication number
- CN106640976B CN106640976B CN201611184807.0A CN201611184807A CN106640976B CN 106640976 B CN106640976 B CN 106640976B CN 201611184807 A CN201611184807 A CN 201611184807A CN 106640976 B CN106640976 B CN 106640976B
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- Prior art keywords
- thrust bearing
- graphite flake
- shoe valve
- pressing plate
- bearing block
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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 present invention relates to a kind of thrust bearings, belong to bearing lubrication technical field, 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, it is detachably arranged in the inside of bearing block, the thrust bearing shoe valve includes the graphite flake for offering pin hole, Wa Tuo and pressing plate, the graphite flake is integrally fixed by pressing plate with a watt support, and the setting moved altogether therewith, pass through fixed with watt support one and total movement setting therewith graphite flake, thrust bearing is enabled to be applicable in the medium of different lubrications, pin hole by being provided on graphite flake simultaneously, it can directly measure to form film pressure and film temperature that lubricant medium forms film, be conducive to the assurance of actual condition inside thrust bearing, monitoring in real time can be achieved and timely adjust, it can factually border Operating condition improves the use environment of thrust bearing, extends the service life of thrust bearing.
Description
Technical field
The present invention relates to bearing lubrication technical fields, can test all load of each tile fragment more particularly to one kind
Thrust bearing.
Background technique
Thrust bearing is the machine structural parts using hydrodynamic lubrication bearing principle, is one of generating set critical component,
It carries the axial load of unit whole.Safe and stable operation of the supporting way of thrust bearing to thrust bearing and unit
Play a crucial role, common rigidity screw support structure is adjusted because being not easy, watt stress make each watt of discontinuity
It spends larger and often influences thrust bearing safe operation or even cause unit burning accident, cause power station economic loss.
Nuclear power technology system center main reactor pump is protected type electrodynamic pump, protected type electrodynamic pump, i.e. pump and shield electric machine
It combines together, bearing uses water lubrication working method.Thrust bearing is one of most important component of core main pump, and whether its design
The reliability service of core main pump will rationally be directly influenced.The bearing capacity and wear-out life of water-lubricated dynamic sliding bearing are to restrict
An important factor for this bearing is applied.Traditional each thrust bearing shoe valve plane of water lubricating thrust bearing is difficult to keep in the same plane,
Load is unevenly distributed when operation, keeps the operating parameters such as water film thickness, temperature, the abrasion loss of each thrust bearing shoe valve inconsistent, integral bearing
It can not play optimum performance, vibration increases when longtime running, and bearing shell is easily damaged, and reliability reduces.
The lubrication and balance being directed between Bearing inner tile fragment in the prior art propose several adjustment modes, but all exist
Various problems: 1, a kind of thrust bearing supported by elastic cushion that CN2009201214587 is provided, which includes thrust
Watt, bearing block, thrust bearing shoe valve is fixed on bearing block by straight pin, 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, and when Designing Thrust Bearing only considers that it carries function and glossy slip ring
Border, it is impossible to be used in water lubrication, and in the case where bearing load is very big, resilient rubbber cushion is easy aging and failure；2,
The coordinated type self-balancing water lubricating thrust bearing that CN2015104375557 is provided, by the way that upper balance weight, lower balance weight peace is arranged
Weigh column, 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 balance columns overlapped upper balance weight and lower balance weight, realization dynamically adjusts and reduces the load between each watt
Difference, and this kind overlaps the lap joint form of upper balance weight and lower balance weight using balance columns, relies primarily on balance weight and lower balance
The sloping platform processed on block limits, balances monolithic thrust bearing shoe valve load variations, and the spring being fixed under lower balance weight realize from
There is the balance as brought by larger unbalance loading when thrust bearing meets with the increasing dynamic loading of collision moment in the reset of balance
The risk that column falls off, above-mentioned to have upper and lower balance weight and balance columns to overlap integral form, integral rigidity is lower, aligning energy
Power is poor, is prone to wear out, and is used to weak at the sloping platform of limiting balance column, and it is poor to bear pressure capability, and because corroding for a long time or
Dirt accumulation keeps activity of the balance columns in sloping platform not flexible, to easily cause abrasion and rupture, while planform also compared with
Complexity, processing difficulties, the accuracy of manufacture are difficult to guarantee.
Therefore, this also constitutes the structure for requiring further improvement thrust bearing, it is particularly suitable revolving speed is higher, load compared with
Adjust automatically, the structure of balance of each thrust bearing shoe valve inside big thrust bearing, with the problems of solution.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the object of the present invention is to provide a kind of thrust bearings, it is able to detect
Bearing inner oil film temperature and oil-film force also include Self-balancing and follow function, have each watt of difference in height of adjust automatically
Function, i.e. balance weight bridging arrangement；This bridging arrangement can complete each watt of difference in height of adjustment in the case where certain pretightning force
Adjustment work.
Purpose according to the present 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,
It is detachably arranged in the inside of bearing block, the thrust bearing shoe valve includes the graphite flake, Wa Tuo and pressing plate for offering pin hole, the stone
Ink sheet passes through the setting that pressing plate is integrally fixed with watt support, and moves altogether therewith, by fixing with a watt support one and transporting altogether therewith
The graphite flake of dynamic setting enables thrust bearing to be applicable in the medium of different lubrications, such as water and/or oil, while by opening up
Pin hole on graphite flake can be measured directly to form film pressure and film temperature that lubricant medium forms film, be conducive to thrust
The assurance of Bearing inner actual condition can improve thrust shaft according to actual condition, it can be achieved that monitoring in real time and timely adjust
The use environment held has the meaning on great to the service life for extending thrust bearing.
Preferably, the graphite flake is machined with ladder platform, the engaging of pressing plate one end along the both ends of the radial direction of bearing block
On the ladder platform of graphite flake, graphite flake is covered in watt support by screw, is tightened to one by the other end being oppositely arranged
The fixation of body.
Preferably, for the ease of understanding and grasping the film pressure and film temperature to form lubricant medium and form film in real time, have
Conducive to thrust bearing inside actual condition assurance, it can be achieved that in real time monitoring and timely adjust, it is described to be provided with graphite flake
On pin hole include through setting thermometer hole and survey oil-film force hole, wherein the thermometer hole and survey oil-film force hole interval it is equal
Cloth keeps the setting being connected on the disc of graphite flake, and with the oil guide groove opened up in watt support.
Preferably, in order to ensure can be closely bonded with a watt support by graphite flake, the pressing plate includes 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 end Chao Watuo extends, and is fixed in watt support by the first stop screw；Second pressing plate top is thicker, bottom end gradually it is thin gradually
Become setting, and be folded between graphite flake and bearing block, the axis direction along bearing block extends.
Preferably, it is processed to prevent graphite flake in the displacement of bearing block radial direction, the outside circumference of described watt of support
There is the ladder platform for limiting the second pressing plate, second pressing plate bottom end is shelved on watt ladder platform of support.
Preferably, in order to which more accurate acquisition acts on the load on thrust bearing shoe valve, the thrust bearing shoe valve further 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 spherical surface and lead, and spherical surface is folded between pivot and the balance weight in balance portion, lead
External stress detection device is connected, by the spherical surface that will be folded between pivot and balance weight, enables to thrust bearing shoe valve circumferential
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 fill
It sets, stress of the thrust bearing shoe valve under load effect is fed back and shown in real time, to grasp inside thrust bearing in real time
Single thrust bearing shoe valve actual condition.
Preferably, in order to realize that the load between each thrust bearing shoe valve inside dynamic auto adjustment thrust bearing is poor, institute
Stating balance portion includes at least one set of upper balance weight, lower balance weight and spacer pin, wherein along the radial direction of bearing block, upper balance weight and
Lower balance weight passes through spacer pin and the bearing block fixation that tiltable is overturn within a certain angle；Along the circumferential direction of bearing block, upper balance
Block and lower balance weight outer end arc radius are greater than the setting of inner segment arc radius, and upper balance weight and lower balance weight tiltable are overturn
Staggeredly overlap；With this, when thrust bearing shoe valve load is there are when larger difference, load transfers load to pivot by thrust bearing shoe valve, branch
Pivot is overturn under the action of spherical surface relative to run-off the straight in bearing block certain angle, balance weight and lower balance weight phase in driving
Overturning to bearing block run-off the straight, the adjacent thrust watt run-off the straight overturning that the drive of gearing is attached thereto, so that monolithic pushes 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 axial movement, thrust bearing shoe valve are remained with thrust disc and are contacted, and are eliminated the dynamic loading for colliding moment in operation process, are 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
When larger unbalance loading, the load that single thrust bearing shoe valve is subject to before is distributed to by the phase being attached thereto by upper balance weight and lower balance weight
On adjacent thrust bearing shoe valve, thus, have a force dispersion into the gearing stress of partial face, dynamically adjust and actively reduce each thrust bearing shoe valve it
Between load it is poor, to reduce the temperature and loss of heavy load lower thrust watt, reduce the brought tiling fatigue of materials peeling of unbalance loading
Risk, thrust bearing shoe valve can follow thrust disc to move axially, contact so that thrust bearing shoe valve is remained with thrust disc with dynamic realtime,
Improve thrust bearing reliability of operation.
Preferably, it is interlocked between upper balance weight and lower balance weight to realize well, the spacer pin includes limit
Slot, the first spacer pin, the second stop screw and the second spacer pin, wherein limiting slot is provided on bearing block, is connected to containing cavities
Setting；First spacer pin runs through limiting slot, connect with thrust bearing shoe valve；Second stop screw runs through the outer peripheral surface of bearing block, and upper
Balance weight connection；Second spacer pin runs through the bottom end of bearing block, the connection with lower balance weight tiltable overturning.
Compared with prior art, the present invention provides a kind of thrust bearing, by fixing with a watt support one and moving altogether therewith
The graphite flake of setting enables thrust bearing to be applicable in the medium of different lubrications, while the pin hole by being provided on graphite flake,
It can directly measure to form film pressure and film temperature that lubricant medium forms film, be conducive to actual condition inside thrust bearing
Hold, it can be achieved that in real time monitoring and timely adjust, the use environment of thrust bearing can be improved according to actual condition；Pass through
The first pressing plate and the second pressing plate being arranged, it is ensured that form being completely covered for graphite flake layer on watt support, breach the prior art
In, thrust bearing to the dependence of single lubricant medium, meanwhile, the pin hole that can be directly provided on graphite flake, extremely easily
It measures to form film pressure and film temperature that lubricant medium forms film, is conducive to the assurance of actual condition inside thrust bearing, it can be real
It now monitors and timely adjusts in real time.
Detailed description of the invention
Fig. 1 is the schematic perspective view of thrust bearing provided by the invention；
Fig. 2 is the structural schematic diagram of the thrust bearing shoe valve provided by the invention suitable for thrust bearing；
Fig. 3 is the structural schematic diagram of another thrust bearing shoe valve suitable for thrust bearing provided by the invention；
Fig. 4 is the structural schematic diagram of the pivot of thrust bearing provided by the invention；
Fig. 5 is the structural schematic diagram of another pivot of thrust bearing provided by the invention；
Fig. 6 is the structural schematic diagram in the balance portion provided by the invention for being applicable in thrust bearing；
Fig. 7 is the structural section schematic diagram in the balance portion of thrust bearing provided by the invention；
Fig. 8 is another schematic diagram of structural section in the balance portion of thrust bearing provided by the invention.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In a kind of thrust bearing provided by the invention, structure is as shown in Figures 1 to 6, including bearing block 10, thrust bearing shoe valve 20
With balance portion 30, wherein offer the containing cavities 11 for accommodating thrust bearing shoe valve 20, thrust bearing shoe valve 20 and balance portion inside bearing block 10
30 is embedded, is detachably arranged in the inside of bearing block 10, and thrust bearing shoe valve 20 includes graphite flake 21, watt support 22 for offering pin hole
With pressing plate 23, which is passed through by the setting that pressing plate 23 is integrally fixed with watt support 22, and moves altogether therewith with this
Graphite flake that is fixed with watt support one and moving setting altogether therewith, enables thrust bearing to be applicable in the medium of different lubrications, example
Such as water and/or oil, while the pin hole by being provided on graphite flake, it can directly measure to form the film that lubricant medium forms film
Pressure and film temperature, are conducive to the assurance of actual condition inside thrust bearing, it can be achieved that monitoring in real time and timely adjusting, can
According to actual condition, the use environment of thrust bearing is improved, there is the meaning on great to the service life for extending thrust bearing.
Specifically, as shown in Fig. 2, graphite flake 21 is machined with ladder platform along the both ends of the radial direction of bearing block 10, pressure
23 one end of plate 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 that is fastened together；For the ease of understanding and grasping the membrane pressure to form lubricant medium and form film in real time
Power and film temperature are conducive to the assurance of actual condition inside thrust bearing, it can be achieved that monitoring and timely adjusting in real time, open up
Pin hole on graphite flake 21 includes thermometer hole 211 and the survey oil-film force hole 212 for running through setting, wherein thermometer hole 211 and survey oil
What membrane forces hole 212 was spaced is evenly arranged on the disc of graphite flake 21, and keeps the setting being connected to the oil guide groove opened up in watt support 22,
The error in measurement process is reduced with this convenient for deep enough and close watt of support of detection device energy.
It is preferably carried out in mode in the present invention, in order to ensure can be closely bonded 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
231 tops process fluted, the setting that can be engaged with the step of graphite flake 21, and bottom end Chao Watuo 22 extends, and passes through first
Stop screw 233 is fixed in watt support 22；Second pressing plate, 232 top is thicker, bottom end gradually thin gradual change setting, and is folded in graphite
Between piece 21 and bearing block 10, the axis direction along bearing block 10 extends；After the steps of graphite flake two sides is compacted, with watt
Support is fastened together, and in the outer circumferential of bearing block, the second pressing plate of sandwiched, it is ensured that radially along bearing block, graphite flake
It can be closely bonded with a watt support；Further, in order to prevent graphite flake along the displacement of bearing block radial direction, watt support 22 it is outer
The ladder platform for limiting the second pressing plate 232 is machined on lateral circle surface, which is shelved on the rank of watt support 22
On terraced platform, with this, convenient for the relative displacement between the quick positioning of the second pressing plate 232, and limitation graphite flake and watt support.
It is preferably carried out in mode in the present invention, in order to which more accurate acquisition acts on the load on thrust bearing shoe valve 20, such as
Shown in Fig. 5 and Fig. 6, thrust bearing shoe valve 20 further includes the pivot 24 of memory type being fixed in watt support 22, it is preferable that the pivot 24 is to answer
Power piece, specifically, pivot 24 is inserted to be fixed on the bottom face of watt support 22, further, as shown in figure 5, pivot 24 wraps
Include spherical surface 241 and lead 242, wherein spherical surface 241 is folded between pivot 24 and the balance weight in balance portion 30, and lead 242 connects
External stress detection device enables to thrust bearing shoe valve is circumferential to incline by the spherical surface that will be folded between pivot and balance weight
The load being subject to is dispersed to realize, while the stress loading being subject to is passed to stress detection device by lead by pendulum, will
Stress of the thrust bearing shoe valve under load effect feeds back and shows in real time, single inside thrust bearing to grasp in real time
The actual condition of thrust bearing shoe valve.
In conclusion passing through the 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 breaches in the prior art, thrust bearing to the dependence of single lubricant medium, meanwhile, can directly be provided with graphite
The pin hole of on piece is extremely easily measured 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, it can be achieved that monitoring in real time and timely adjusting.
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 keeps one group of thrust bearing shoe valve uniformly loaded., specifically
Ground, balance portion 30 include at least one set of upper balance weight 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 weight 32 pass through spacer pin 33 and the fixation that tiltable is overturn within a certain angle of bearing block 10；Along axis
The circumferential direction for holding seat 10, balance weight 31 and 32 outer end arc radius of lower balance weight are greater than the setting of inner segment arc radius on this, and on
The staggeredly overlap joint of balance weight 31 and lower 32 tiltable of balance weight overturning；With this, when thrust bearing shoe valve load is there are when larger difference, load
Pivot is transferred load to by thrust bearing shoe valve, pivot is under the action of spherical surface, relative to run-off the straight in bearing block certain angle
It overturns, with respect to the overturning of bearing block run-off the straight, the drive of gearing is attached thereto adjacent for balance weight and lower balance weight in driving
Thrust bearing shoe valve run-off the straight overturning, 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 that moment is collided 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, it when larger unbalance loading being occurred for thrust bearing, will individually be pushed away before 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, thus, have a force dispersion at partial face gearing by
Power dynamically adjusts and actively reduces that load between each thrust bearing shoe valve is poor, thus reduce the temperature and loss of heavy load lower thrust watt,
The risk that the brought tiling fatigue of materials of unbalance loading is peeled off is reduced, thrust bearing shoe valve can follow thrust disc that axial move occurs with dynamic realtime
It is dynamic, it is contacted so that thrust bearing shoe valve is remained with thrust disc, improves thrust bearing reliability of operation.
Preferably, interlocking between upper balance weight and lower balance weight to realize well, spacer pin 33 includes limiting slot
331, the first spacer pin 332, the second stop screw 333 and the second spacer pin 334, wherein limiting slot 331 is provided with bearing block 10
On, the setting that is connected to containing cavities 11；First spacer pin 332 runs through limiting slot 331, connect with thrust bearing shoe valve 20；Second limit spiral shell
Nail 333 runs through the outer peripheral surface of bearing block 10, connect with upper balance weight 31；Second spacer pin 334 runs through the bottom end of bearing block 10, with
The connection of lower 32 tiltable of balance weight overturning.
In conclusion when there are when larger difference, dynamically adjust and actively reduce between each thrust bearing shoe valve for thrust bearing shoe valve load
Load is poor, to reduce the temperature and loss of heavy load lower thrust watt, reduces the wind that the brought tiling fatigue of materials of unbalance loading is peeled off
Danger.Meanwhile the present invention has the function of to follow automatically, when thrust bearing moves axially, thrust bearing shoe valve can with dynamic realtime with
It moves axially with thrust disc, is contacted so that thrust bearing shoe valve is remained with thrust disc, eliminate and collide 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
Increase Self-balancing, this self-balance structure can be subjected to displacement according to thrust bearing shoe valve unbalance loading each thrust bearing shoe valve of rear adjust automatically it
Between difference in height.
In addition, further including being arranged on 20 top of thrust bearing shoe valve, with axis in order to avoid unbalance loading is directly to the shock loading of thrust bearing shoe valve
The thrust disc 40 that seat 10 is coaxially arranged is held, unbalance loading is effectively avoided by thrust disc, directly the shock loading of thrust bearing shoe valve is made
At material damage.
Although the invention patent has been described by way of example and in terms of the preferred embodiments, but it is not to appoint for limiting the invention patent
What those skilled in the art may be by the method and skill of the disclosure above in the spirit and scope for not departing from the invention patent
Art content makes possible variation and modification to technical solution of the present invention, therefore, all without departing from the invention patent technical solution
Content, according to the present invention any simple modification to the above embodiments of the technical spirit of patent, equivalent variations and repair
Decorations, belong to the protection scope of the invention patent technical solution.
Claims (9)
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), the thrust bearing shoe valve (20) and balance portion (30) are embedded is set to
On bearing block (10), it is detachably arranged in the inside of bearing block (10), which is characterized in that the thrust bearing shoe valve (20) includes opening up
There are the graphite flake (21), Wa Tuo (22) and pressing plate (23) of pin hole, the graphite flake (21) is solid by pressing plate (23) and watt support (22)
It is fixed integral, and the setting moved altogether therewith；
The pressing plate (23) includes the first pressing plate (231), the second pressing plate (232) and the first stop screw (233), wherein first
Pressing plate (231) top processes fluted, the setting that can be engaged with the step of graphite flake (21), and bottom end Chao Watuo (22) extends,
And it is fixed on Wa Tuo (22) by the first stop screw (233)；Second pressing plate (232) top is thicker, bottom end gradually thin gradual change
Setting, and be folded between graphite flake (21) and bearing block (10), the axis direction along bearing block (10) extends.
2. thrust bearing according to claim 1, which is characterized in that radial direction of the graphite flake (21) along bearing block (10)
The both 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
Graphite flake (21) is covered on Wa Tuo (22), the fixation being fastened together by other end by screw.
3. thrust bearing according to claim 1 or 2, which is characterized in that the pin hole being provided on graphite flake (21)
Including the thermometer hole (211) through setting and survey oil-film force hole (212), wherein the thermometer hole (211) and survey oil-film force hole
(212) setting for being evenly arranged on the disc of graphite flake (21), and being connected to the oil guide groove holding opened up in watt support (22) at interval.
4. thrust bearing according to claim 1, which is characterized in that processed in the outside circumference of described watt of support (22) useful
The ladder platform of the second pressing plate (232) is limited, the second pressing plate (232) bottom end is shelved on the ladder platform of Wa Tuo (22)
On.
5. thrust bearing according to claim 1, which is characterized in that the thrust bearing shoe valve (20) further includes the fixation of memory type
Pivot (24) in watt support (22).
6. thrust bearing according to claim 5, which is characterized in that the pivot (24) it is inserted be fixed on Wa Tuo
(22) on bottom face.
7. thrust bearing according to claim 5 or 6, which is characterized in that the pivot (24) includes spherical surface (241) and draws
Line (242), spherical surface (241) are folded between pivot (24) and the balance weight of balance portion (30), and lead (242) connection is external to answer
Force checking device.
8. thrust bearing according to claim 1, which is characterized in that the balance portion (30) includes balancing at least one set
Block (31), lower balance weight (32) and spacer pin (33), wherein the radial direction along bearing block (10), upper balance weight (31) and lower balance
Block (32) passes through spacer pin (33) and bearing block (10) fixation that tiltable is overturn within a certain angle；Week along bearing block (10)
It is greater than the setting of inner end arc radius, and upper balance weight to, upper balance weight (31) and lower balance weight (32) outer end arc radius
(31) it is overlapped with interlocking for lower balance weight (32) tiltable overturning.
9. thrust bearing according to claim 8, which is characterized in that the spacer pin (33) includes limiting slot (331),
One spacer pin (332), the second stop screw (333) and the second spacer pin (334), wherein limiting slot (331) is provided with bearing block
(10) on, the setting that is connected to containing cavities (11)；First spacer pin (332) runs through limiting slot (331), even with thrust bearing shoe valve (20)
It connects；Second stop screw (333) runs through the outer peripheral surface of bearing block (10), connect with upper balance weight (31)；Second spacer pin (334)
Connection through the bottom end of bearing block (10), with lower balance weight (32) tiltable overturning.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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Families Citing this family (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 |
| CN112576611B (en) * | 2020-12-17 | 2022-05-13 | 哈尔滨电气动力装备有限公司 | Water lubrication thrust tile lateral elastic baffle limiting structure |
| CN112943616B (en) * | 2021-02-19 | 2022-10-28 | 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 |
| CN113323960B (en) * | 2021-05-08 | 2022-10-25 | 武汉理工大学 | Elastic support tilting pad magnetic liquid double-floating thrust bearing |
| CN113565863B (en) * | 2021-06-18 | 2023-04-28 | 湖南崇德科技股份有限公司 | Multi-thrust bearing |
| 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 |
| 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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| 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 |
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