CN106438677B - Thrust support bearing and cylinder - Google Patents
Thrust support bearing and cylinder Download PDFInfo
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- CN106438677B CN106438677B CN201611011028.0A CN201611011028A CN106438677B CN 106438677 B CN106438677 B CN 106438677B CN 201611011028 A CN201611011028 A CN 201611011028A CN 106438677 B CN106438677 B CN 106438677B
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- 239000000446 fuel Substances 0.000 claims description 20
- 238000001727 in vivo Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 84
- 239000010687 lubricating oil Substances 0.000 description 28
- 238000009434 installation Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 238000005461 lubrication Methods 0.000 description 9
- 108010063955 thrombin receptor peptide (42-47) Proteins 0.000 description 9
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
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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 cylinder technical fields, more particularly, to a kind of thrust support bearing and cylinder.The thrust support bearing includes: bearing body, support watt and two thrust bearing shoe valves；Bearing body is the hollow housing of both ends open；Support watt and two thrust bearing shoe valves are arranged in bearing body, and support watt is located between two thrust bearing shoe valves.Thrust support bearing provided by the invention, support watt and two thrust bearing shoe valves are arranged on the same bearing body, it is mountable between two thrust discs so as to make the thrust support bearing of the application while realizing to radial force and axial force receiving, and then reduce the occupied space of bearing.
Description
Technical field
The present invention relates to cylinder technical fields, more particularly, to a kind of thrust support bearing and cylinder.
Background technique
Cylinder, in-engine cylindrical shape empty room, the work that the inside has the pressure or expansive force by working fluid to push
Plug, certain special types are in-engine similar but non-cylindrical part.
During cylinder use, two thrust bearings and a support shaft need to be arranged in user on cylinder rotor
It holds.Between rotor positive thrust disk and negative thrust disc, two thrust bearings are located at positive thrust disk and bear and push away spring bearing
Side of the power disk far from spring bearing.Spring bearing is primarily subjected to radial force, and thrust bearing is used to special receiving axial force, namely
The power in the parallel direction of axis.
But it in the prior art needs for two thrust bearings to be arranged in positive thrust disk and negative thrust disc far from support shaft
The side held, so that bearing occupied space in cylinder is larger.
Summary of the invention
The purpose of the present invention is to provide a kind of thrust support bearing and cylinders, to solve bearing existing in the prior art
The larger technical problem of occupied space.
A kind of thrust support bearing provided by the invention, the thrust support bearing include: bearing body, support watt and two
A thrust bearing shoe valve；The bearing body is the hollow housing of both ends open；The support watt and two thrust bearing shoe valves are arranged at institute
It states in bearing body, and the support watt is located between two thrust bearing shoe valves.
Further, the both ends of the bearing body are respectively provided with a ring shaped oil passage along its circumferential direction；It is provided on bearing body
The thrust fuel feed hole being connected to ring shaped oil passage；Each thrust bearing shoe valve is circular ring shape；Each thrust bearing shoe valve is far from the branch
On the side tiling of support watt, along the circumferential direction of the thrust bearing shoe valve, it is arranged at intervals with multiple bar shaped oil grooves；Each bar shaped oil groove
One end is provided in each bar shaped oil groove and to be connected to a ring shaped oil passage towards the inner wall of the thrust bearing shoe valve
Oil outlet.
Further, the both ends of the bar shaped oil groove are cambered surface.
Further, the thrust bearing shoe valve far from the support watt includes facing directly and close to inner circle close to outer circle on one side
Inclined surface；The interior circular direction of the inclined surface towards the thrust bearing shoe valve tilts；The inclined surface and it is described face directly between angle
For obtuse angle.
Further, the bottom of one end of the bearing body is provided with oil trap；The oil trap is used for and external oil-collecting
Device connection.
Further, the bearing body includes the first daughter and the second daughter of coaxial arrangement；First daughter and institute
The section for stating the second daughter is circular ring shape, and the diameter of first daughter is greater than the diameter of the second daughter；One of institute
Thrust bearing shoe valve is stated to be arranged in first daughter；The support watt and another described thrust bearing shoe valve are arranged in second daughter
It is interior.
Further, the support watt includes multiple tilting pads；Week of multiple tilting pads along the bearing body
To being successively arranged at intervals on the inner wall of the bearing body.
Further, oil inlet passage and oil discharge passage are provided on the bearing body；The oil inlet passage and described fuel-displaced
Gap of the one end in channel between tilting pad described in two of them is connected to.
Further, on the inner wall of the bearing body, along its axial direction, successively two annular protrusions are arranged in interval；Each institute
The two sides for stating tilting bush are respectively provided with the annular groove matched with the annular protrusion.
Further, the present invention provides a kind of cylinder, and the cylinder includes rotor, positive thrust disk, negative thrust disc and such as
Thrust support bearing of the present invention；The positive thrust disk and the negative thrust disc are arranged at intervals on the rotor；It is described
Bearing body is set on the rotor, and between the positive thrust disk and the negative thrust disc.
Thrust support bearing provided by the invention, the interior setting support watt of bearing body and two thrust bearing shoe valves, and support watt is located at
Between two thrust bearing shoe valves.When in use, bearing body is mounted on the rotor by user, and be located at positive thrust disk and negative thrust disc it
Between, a thrust bearing shoe valve is close to positive thrust disk, another thrust bearing shoe valve is close to negative thrust disc, so that thrust support bearing is same
When bear rotor radial force and axial force.
Support watt and two thrust bearing shoe valves are arranged on the same bearing body thrust support bearing provided by the invention, from
And can make the thrust support bearing of the application while realizing to radial force and axial force receiving, it is mountable in two thrust discs
Between, and then reduce the occupied space of bearing.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of thrust support bearing provided in an embodiment of the present invention；
Fig. 2 is another structural schematic diagram of thrust support bearing provided in an embodiment of the present invention；
Fig. 3 is the sectional view of thrust support bearing provided in an embodiment of the present invention；
Fig. 4 is another structural schematic diagram of thrust support bearing provided in an embodiment of the present invention；
Fig. 5 is the partial enlarged view of thrust support bearing provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of thrust support bearing middle (center) bearing body provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of thrust bearing shoe valve in thrust support bearing provided in an embodiment of the present invention；
Fig. 8 is the B direction view of Fig. 7；
Fig. 9 is the structural schematic diagram of cylinder provided in an embodiment of the present invention.
Appended drawing reference:
1- bearing body；2- thrust bearing shoe valve；3- support watt；
4- bar shaped oil groove；5- oil outlet；6- oil trap；
7- ring shaped oil passage；8- adjusts gasket；9- oil scraper ring；
10- annular protrusion；11- annular groove；12- threads channel；
13- is faced directly；The inclined surface 14-；15- oil inlet passage；
16- thrust fuel feed hole；17- oil discharge passage；18- rotor；
19- positive thrust disk；The negative thrust disc of 20-；The first daughter of 101-；
The second daughter of 102-；301- tilting pad.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the structural schematic diagram of thrust support bearing provided in an embodiment of the present invention；Fig. 2 provides for the embodiment of the present invention
Thrust support bearing another structural schematic diagram；As depicted in figs. 1 and 2, a kind of thrust support bearing provided in this embodiment,
The thrust support bearing includes: bearing body 1, support watt 3 and two thrust bearing shoe valves 2；Bearing body 1 is the hollow shell of both ends open
Body；Support watt 3 and two thrust bearing shoe valves 2 are arranged in bearing body 1, and support watt 3 is located between two thrust bearing shoe valves 2.
Thrust support bearing provided in this embodiment, the interior setting support watt 3 of bearing body 1 and two thrust bearing shoe valves 2, and support watt
3 are located between two thrust bearing shoe valves 2.When in use, user installs bearing body 1 on a rotor 18, and is located at positive thrust disk 19
Between negative thrust disc 20, a thrust bearing shoe valve 2 is close to positive thrust disk 19, another thrust bearing shoe valve 2 is close to negative thrust disc 20, from
And makes thrust support bearing while bearing the radial force and axial force of rotor 18.
Support watt 3 and two thrust bearing shoe valves 2 are arranged in the same bearing body 1 thrust support bearing provided in this embodiment
On, it is mountable at two so as to make the thrust support bearing of the application while realizing to radial force and axial force receiving
Between thrust disc, and then reduce the occupied space of bearing.Meanwhile bearing weight is reduced, process and assemble is simple, reduces
Manufacturing cost and installation and debugging period.
Wherein it is preferred to which two thrust bearing shoe valves 2 are symmetricly set on the two sides of support watt 3, so as to further reduce bearing body
1 occupied volume.In addition, bearing body 1 should be divided into upper semisection and lower semisection, upper semisection and lower semisection are detachably connected, make
User first installs lower semisection, then installs upper semisection, so that the Fast Installation of bearing can be realized.
Further, thrust bearing shoe valve 2 can connect by adjusting gasket 8 with bearing body 1, and adjustment gasket 8 can be used for adjusting installation
Gap namely user can make thrust bearing shoe valve 2 be mounted on the predeterminated position of bearing body 1 by adjusting gasket 8, so that improving makes
Installation accuracy of the user to the thrust support bearing of the application.
Further, two oil scraper rings 9 can be also set on bearing body 1；Two oil scraper rings 9 are located at thrust bearing shoe valve 2
Two sides, and each oil scraper ring 9 is located between thrust bearing shoe valve 2 and support watt 3.Oil scraper ring 9 can be by the profit on thrust bearing shoe valve 2 and support watt 3
Lubricating oil separates, so that thrust bearing shoe valve 2 and support watt 3 are independently lubricated, does not influence mutually, to improve lubricant effect.
Fig. 3 is the sectional view of thrust support bearing provided in an embodiment of the present invention；Fig. 4 is provided in an embodiment of the present invention pushes away
Another structural schematic diagram of power spring bearing；As shown in Figure 3 and Figure 4, on the basis of the above embodiments, further, bearing
The both ends of body 1 are respectively provided with a ring shaped oil passage 7 along its circumferential direction；Be provided on bearing body 1 thrust that is connected to ring shaped oil passage 7 into
Oilhole 16；Each thrust bearing shoe valve 2 is circular ring shape；On tiling of each thrust bearing shoe valve 2 far from support watt 3, along the circumferential direction of thrust bearing shoe valve 2,
It is arranged at intervals with multiple bar shaped oil grooves 4；One end of each bar shaped oil groove 4 is towards the inner wall of thrust bearing shoe valve 2, and each bar shaped oil groove
The oil outlet 5 being connected to a ring shaped oil passage 7 is provided in 4.
In the present embodiment, multiple bar shaped oil grooves 4 are set in the one side of thrust bearing shoe valve 2, are respectively provided with one in each bar shaped oil groove 4
Oil outlet 5.When being lubricated, lubricating oil is passed through to ring shaped oil passage 7 by user by thrust fuel feed hole 16, and lubricating oil exists
Flowing in ring shaped oil passage 7, and during flowing, it flows into corresponding oil outlet 5, then flow into bar shaped oil from oil outlet 5
In slot 4, then flowed respectively to the interior circular direction of thrust bearing shoe valve 2 and outer circular direction from the both ends of bar shaped oil groove 4, inwardly circular direction stream
Dynamic lubricating oil is finally flow on the inner wall of thrust bearing shoe valve 2, so that full of lubrication between the inner wall of thrust bearing shoe valve 2 and the outer wall of rotor 18
The lubricating oil of oil, outwardly circular direction flowing flow to 2 surface of thrust bearing shoe valve.
In the present embodiment, multiple bar shaped oil grooves 4 are set on the tiling of thrust bearing shoe valve 2 and cooperate oil outlet 5, so that thrust bearing shoe valve
The circumferential surface of 2 tiling is lubricated, so that thrust bearing shoe valve 2 obtains sufficient lubrication.Meanwhile the inner circle and outer circle of thrust bearing shoe valve 2
There is lubricating oil, so that the temperature difference of thrust bearing shoe valve 2 is smaller, stress is more uniform.In addition, setting cylinder-shaped for thrust bearing shoe valve 2, conveniently make
User installs.
Wherein, thrust fuel feed hole 16 can be one, or more than two multiple.When thrust fuel feed hole 16 is one
When a, which is connected to two ring shaped oil passages 7 simultaneously, and user is after 16 oil inlet of thrust fuel feed hole, lubrication
Oil is flowed into two ring shaped oil passages 7 simultaneously.Preferably, thrust fuel feed hole 16 is three, two of them and a ring shaped oil passage 7
Connection, another thrust fuel feed hole 16 are connected to another ring shaped oil passage 7.User is by two thrust fuel feed holes 16 to one
Oil inlet in ring shaped oil passage 7 is carried out by a thrust fuel feed hole 16 into another ring shaped oil passage 7.When in use, user can
The circular passage being connected to two thrust fuel feed holes 16 and thrust bearing shoe valve 2 are close to positive thrust disk 19, due to close to positive thrust disk
More lubricating oil is needed to be lubricated at 19, so as to make to obtain sufficient lubrication at this.
In addition, thrust bearing shoe valve 2 should be divided into upper semisection and lower semisection, the lower semisection of user elder generation installed thrust watt 2, then by thrust
Watts 2 lower semisection is mounted on upper semisection, thus the installation of complete thrust bearing shoe valve 2.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, the both ends of bar shaped oil groove 4 are cambered surface.
In the present embodiment, the both ends of bar shaped oil groove 4 are disposed as arc, lubricating oil can be slowed down in bar shaped oil groove 4
Flowing velocity guarantees so that lubricating oil is flowed to the inner circle of thrust bearing shoe valve 2 and outer circular direction to stable buffering in bar shaped oil groove 4
Thrust bearing shoe valve 2 obtains that stability when thrust bearing shoe valve 2 lubricates can be improved while sufficient lubrication.
Fig. 7 is the structural schematic diagram of thrust bearing shoe valve in thrust support bearing provided in an embodiment of the present invention；Fig. 8 be Fig. 7 B to
View；As shown in Figure 7 and Figure 8, on the basis of the above embodiments, further, a bread of the thrust bearing shoe valve 2 far from support watt 3
It includes and faces 13 directly and close to the inclined surface 14 of inner circle close to outer circle；The interior circular direction of inclined surface 14 towards thrust bearing shoe valve 2 tilts；Inclination
Face 14 and the angle faced directly between 13 are obtuse angle.
In the present embodiment, thrust bearing shoe valve 2 is faced directly 13 and inclined surface 14 close to being divided on one side for thrust disc, face 13 directly close to pushing away
The outer circle of power watt 2, inclined surface 14 is close to the inner circle of thrust bearing shoe valve 2, and inclined surface 14 is tilted towards inner circle, that is, inclined surface 14
Cross sectional shape is trapezoidal.When thrust bearing shoe valve 2 to be horizontally arranged, the outer circle of thrust bearing shoe valve 2 is high, and inner circle is low.Thrust bearing shoe valve 2 can be improved in this way
Bearing capacity.Simultaneously as facing 13 directly is higher than inclined surface 14, the outer circle of thrust bearing shoe valve 2 is high, lubricating oil can be made to be stored in inclined surface
14, while rotor 18 rotates, the lubricating oil on thrust bearing shoe valve 2 can sufficiently be brought between thrust disc and the tiling of thrust bearing shoe valve 2,
To reduce the leakage rate of lubricating oil, and then reduce the required oil mass of lubrication.
As shown in Figure 1, on the basis of the above embodiments, further, the bottom of one end of bearing body 1 is provided with oil-collecting
Slot 6；Oil trap 6 with external oil collector sump tank for being connected to.
In the present embodiment, after lubricating oil is lubricated thrust bearing shoe valve 2, extra lubricating oil flows downward to collection due to gravity
It in oil groove 6, and is recycled in external oil collector sump tank and is reused by oil trap 6, improve the utilization rate of lubricating oil, saved
Resource is saved.
Wherein, oil trap 6 can be arc-shaped, and oil return hole is arranged in the bottom of oil trap 6, and the lubricating oil in oil trap 6 passes through
The oil return hole of bottom flow to external oil collector sump tank.Preferably, oil trap 6 is semicircle, and the bottom of bearing body 1 is arranged in oil trap 6
The center of oil trap 6 is arranged in portion, oil return hole, and oil return hole outflow can be run through after lubricating oil enters in oil trap 6, is avoided
6 memory of oil trap lets off more lubricating oil, influences the recycling of lubricating oil.
As shown in Figure 1, on the basis of the above embodiments, further, bearing body 1 includes the first daughter of coaxial arrangement
101 and second daughter 102；The section of first daughter 101 and the second daughter 102 is circular ring shape, and the outer circle of the first daughter 101
Diameter be greater than the second daughter 102 outer diameter of a circle；One of thrust bearing shoe valve 2 is arranged in the first daughter 101；Support watt 3
It is arranged in the second daughter 102 with another thrust bearing shoe valve 2.
In the present embodiment, one of thrust bearing shoe valve 2 is arranged in the first daughter 101 being relatively large in diameter, another thrust
Watts 2 are arranged in lesser second daughter 102 of diameter.User can be by the side being relatively large in diameter close to positive thrust disk 19, diameter
Lesser side is close to negative thrust disc 20.That is, the lesser side of diameter is close to electricity by the side being relatively large in diameter close to steam turbine
Machine.Since 2 stress of thrust bearing shoe valve for being located at the positive thrust Pan19Chu of steam turbine side is big, thus increase forced area by increasing diameter,
Reduce stress pressure, extends the service life of thrust bearing shoe valve 2.In addition, user can also pass through the first daughter 101 and the second daughter
102 diameter difference directly tells which side should be mounted on steam turbine side, which should be mounted on motor side, thus convenient to use
Person's installation, saves the set-up time.
As shown in Figure 1, on the basis of the above embodiments, further, support watt 3 includes multiple tilting pads 301；It is more
A tilting pad 301 is successively arranged at intervals on the inner wall of bearing body 1 along the circumferential direction of bearing body 1.
In the present embodiment, multiple tilting pads 301 are set by support watt 3, tilting-pad bearing has preferable stability, together
When tilting pad 301 can increase the bearing capacity of support watt 3 convenient for users to installation support watts 3, convenient for users to adjusting clipping room
Gap.
Wherein, each tilting pad 301 is connect by a fixed link with bearing body 1, and fixed link is located at tilting bush
Center.After being saturated with lubricating oil in support watt 3, with the variation of load, tilting bush can be fulcrum with respect to bearing body 1 using fixed link
It swings, thus realize the spot wobble of tilting pad 301, the working clearance between adjust automatically and rotor 18.Preferably, fixed link is adopted
With bolt, that is, tilting pad 301 is connect by user by bolt with bearing body 1, user is in installed thrust spring bearing
When, tool can be mounted on bolt, thus convenient for users to installation.
Further, the tilting pad 301 in the upper semi-circle of bearing body 1 can pass through the inner wall of gasket and bearing body 1
Connection, user can adjust the installation gap of tilting pad 301 by gasket, to improve installation accuracy.
Fig. 6 is the structural schematic diagram of thrust support bearing middle (center) bearing body provided in an embodiment of the present invention；As shown in fig. 6,
On the basis of above-described embodiment, further, oil inlet passage 15 and oil discharge passage 17 are provided on bearing body 1；Oil inlet passage 15
And gap of the one end of oil discharge passage 17 between two of them tilting pad 301 is connected to.
In the present embodiment, lubricating oil is passed through in oil inlet passage 15 by user, and lubricating oil flows into two through oil inlet passage 15
In gap between a tilting pad 301, with the rotation of rotor 18, lubricating oil is driven enterprising to other tilting bush by rotor 18
Row lubrication, extra lubricating oil are flowed out through oil discharge passage 17, complete lubrication.
In the present embodiment, thrust bearing shoe valve 2 and support watt 3 carry out independent lubricating respectively, so that thrust bearing shoe valve 2 and support watt 3
Respectively obtain sufficient lubrication.
Wherein, the setting support fuel feed hole on bearing body 1, support fuel feed hole are connected to oil inlet passage 15, and user passes through
Lubricating oil is passed through to oil inlet passage 15 by support fuel feed hole.In addition, can be also all provided in thrust fuel feed hole 16 and support fuel feed hole
Set internal screw thread.Through-hole is set along the length direction of bolt with the middle part of the bolt of the screw-internal thread fit.It is pushed away when bolt is mounted on
After in power fuel feed hole 16 or support fuel feed hole, lubricating oil is passed through to respective channel by user by the through-hole on bolt.
Such setting can make user different according to the speed for being passed through lubricating oil, and selection uses the bolt of respective through hole size, thus
Realize the adjusting for being passed through speed to lubricating oil at fuel feed hole.
Fig. 5 is the partial enlarged view of thrust support bearing provided in an embodiment of the present invention；As shown in Figure 3 and Figure 5, above-mentioned
On the basis of embodiment, further, on the inner wall of bearing body 1, along its axial direction, successively two annular protrusions 10 are arranged in interval；
The two sides of each tilting bush are respectively provided with the annular groove 11 cooperated with annular protrusion 10.
In the present embodiment, during installation, the annular protrusion 10 of 1 two sides of bearing body is stuck in tilting bush two sides by user
Annular groove 11 in, the mode that annular groove 11 and annular protrusion 10 cooperate can avoid when installation tilting bush from bearing body 1
It falls off, is easy to use and is assembled, while being also beneficial to the swing of tilting pad 301.
Wherein, annular threading channel 12 can be also set on bearing body 1, and user can be logical by annular threading by connecting line
Road 12 is connected to corresponding position, so that connecting line obtains regular, avoids connecting line mixed and disorderly.
Fig. 9 is the structural schematic diagram of cylinder provided in an embodiment of the present invention, as shown in figure 9, in the base of above-described embodiment
On plinth, further, the present invention provides a kind of cylinder, which includes rotor 18, positive thrust disk 19, negative thrust disc 20 and such as
Thrust support bearing of the invention；Positive thrust disk 19 and negative thrust disc 20 are arranged at intervals on rotor 18；Bearing body 1, which is set in, to be turned
On son 18, and between positive thrust disk 19 and negative thrust disc 20.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of thrust support bearing characterized by comprising bearing body, support watt and two thrust bearing shoe valves；
The bearing body is the hollow housing of both ends open；The support watt and two thrust bearing shoe valves are arranged at the bearing
In vivo, and the support watt is located between two thrust bearing shoe valves；
The both ends of the bearing body are respectively provided with a ring shaped oil passage along its circumferential direction；It is provided on the bearing body and the annular
The thrust fuel feed hole of oil duct connection；
Each thrust bearing shoe valve is circular ring shape；On side tiling of each thrust bearing shoe valve far from the support watt, along described
The circumferential direction of thrust bearing shoe valve is arranged at intervals with multiple bar shaped oil grooves；One end of each bar shaped oil groove is towards the thrust bearing shoe valve
Inner wall, and the oil outlet being connected to a ring shaped oil passage is provided in each bar shaped oil groove；
The thrust bearing shoe valve includes facing directly and close to the inclined surface of inner circle close to outer circle far from the support watt on one side；It is described to incline
The interior circular direction of inclined-plane towards the thrust bearing shoe valve tilts；The inclined surface and it is described face directly between angle be obtuse angle.
2. thrust support bearing according to claim 1, which is characterized in that the both ends of the bar shaped oil groove are cambered surface.
3. thrust support bearing according to claim 2, which is characterized in that the bottom of one end of the bearing body is provided with
Oil trap；The oil trap with external oil collector sump tank for being connected to.
4. thrust support bearing according to claim 1, which is characterized in that the bearing body includes the first of coaxial arrangement
Daughter and the second daughter；
The section of first daughter and second daughter is circular ring shape, and the diameter of first daughter is greater than the second son
The diameter of body；One of them described thrust bearing shoe valve is arranged in first daughter；The support watt and another described thrust bearing shoe valve
It is arranged in second daughter.
5. thrust support bearing according to claim 1, which is characterized in that the support watt includes multiple tilting pads；
Multiple tilting pads are successively arranged at intervals on the inner wall of the bearing body along the circumferential direction of the bearing body.
6. thrust support bearing according to claim 5, which is characterized in that be provided on the bearing body oil inlet passage and
Oil discharge passage；
Gap of the one end of the oil inlet passage and the oil discharge passage between tilting pad described in two of them is connected to.
7. thrust support bearing according to claim 5, which is characterized in that on the inner wall of the bearing body, along its axial direction,
Successively two annular protrusions of interval setting；The two sides of each tilting pad are respectively provided with one and match with the annular protrusion
Annular groove.
8. a kind of cylinder, which is characterized in that including rotor, positive thrust disk, negative thrust disc and such as any one of claim 1-7 institute
The thrust support bearing stated；
The positive thrust disk and the negative thrust disc are arranged at intervals on the rotor；The bearing body is set in the rotor
On, and between the positive thrust disk and the negative thrust disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611011028.0A CN106438677B (en) | 2016-11-17 | 2016-11-17 | Thrust support bearing and cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611011028.0A CN106438677B (en) | 2016-11-17 | 2016-11-17 | Thrust support bearing and cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN106438677A CN106438677A (en) | 2017-02-22 |
| CN106438677B true CN106438677B (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611011028.0A Active CN106438677B (en) | 2016-11-17 | 2016-11-17 | Thrust support bearing and cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107120352A (en) * | 2017-04-27 | 2017-09-01 | 上海大学 | A kind of electro spindle dynamic and hydrostatic bearing with the annular oil supply tank of square shape |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726695A (en) * | 1986-06-12 | 1988-02-23 | Anatech, Inc. | Hydrodynamic thrust bearing |
| CN1400407A (en) * | 2001-07-26 | 2003-03-05 | 曼B与W狄赛尔公司 | Piston-type engine |
| CN101432535A (en) * | 2006-03-31 | 2009-05-13 | 阿尔斯通技术有限公司 | Hydrodynamic axial plain bearing and associated operating method |
| CN105156462A (en) * | 2015-08-26 | 2015-12-16 | 成都成发科能动力工程有限公司 | Radial thrust sliding bearing |
| CN206159264U (en) * | 2016-11-17 | 2017-05-10 | 中国长江动力集团有限公司 | Thrust support bearing and cylinder |
-
2016
- 2016-11-17 CN CN201611011028.0A patent/CN106438677B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726695A (en) * | 1986-06-12 | 1988-02-23 | Anatech, Inc. | Hydrodynamic thrust bearing |
| CN1400407A (en) * | 2001-07-26 | 2003-03-05 | 曼B与W狄赛尔公司 | Piston-type engine |
| CN101432535A (en) * | 2006-03-31 | 2009-05-13 | 阿尔斯通技术有限公司 | Hydrodynamic axial plain bearing and associated operating method |
| CN105156462A (en) * | 2015-08-26 | 2015-12-16 | 成都成发科能动力工程有限公司 | Radial thrust sliding bearing |
| CN206159264U (en) * | 2016-11-17 | 2017-05-10 | 中国长江动力集团有限公司 | Thrust support bearing and cylinder |
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| Publication number | Publication date |
|---|---|
| CN106438677A (en) | 2017-02-22 |
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