CN110206817A - Three-row cylinder roller bearing - Google Patents
Three-row cylinder roller bearing Download PDFInfo
- Publication number
- CN110206817A CN110206817A CN201910606950.1A CN201910606950A CN110206817A CN 110206817 A CN110206817 A CN 110206817A CN 201910606950 A CN201910606950 A CN 201910606950A CN 110206817 A CN110206817 A CN 110206817A
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- China
- Prior art keywords
- hole
- taper pin
- inner ring
- face
- outer ring
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/48—Cages for rollers or needles for multiple rows of rollers or needles
- F16C33/485—Cages for rollers or needles for multiple rows of rollers or needles with two or more juxtaposed cages joined together or interacting with each other
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of three-row cylinder roller bearings, including inner ring and outer ring, rolling chamber is formed between the inner ring and outer ring, the inner ring includes first part and second part, first part and second part are provided with taper pin-hole, the central axis of the taper pin-hole and the centerline axis parallel of inner ring, are provided with taper pin in the taper pin-hole, it is provided with connecting hole on inner ring, is provided in connecting hole for the connection bolt by first part and second part tension together.When use, by taper pin come so that being not susceptible to the changing of the relative positions between first part and second part, limit the radial position of first part and second part, it is used to tense first part and second part together by connection bolt, connect radial position and axial position that bolt limits first part and second part, it is more convenient when avoiding first part from loosening with second part, and the later period being dismantled.
Description
Technical field
The present invention relates to the technical fields of wind power bearing, more particularly, to a kind of three-row cylinder roller bearing.
Background technique
Traditional wind generating set pitch control bearing is mainly the pivoting support of four-point contact ball form, but wind in recent years
Power technology continues to develop, and wind power generating set has evolved to big MW class, and variable blade control system is by centralized and unified variable pitch
Independent control variable pitch is developed to, therefore, this class bearing in wind power generating set with having the disadvantages that four-point contact ball form
Three-row cylinder roller bearing of the pivoting support relative to comparable size, carry low, the service life is low；Compared under big load, rolling element
Contact area between raceway is easy to exceed raceway effective coverage, and edge is caused to be crushed；Big MW class pitch variable bearings outer diameter can
Reach 6 meters, manufacture and transport difficulty are big, at high cost.
The inner ring of the three-row cylinder roller bearing of traditional design includes first part and second part, by first when assembly
Divide and second part is opened and then installs roller between inner ring and outer ring, after the installation is completed again by first part and second part
It combines, needs that first part and second part are provided with several tensions when combining first part and second part
Hole tenses and is equipped with turnbuckle in hole, and turnbuckle is mainly used to tense first part and second part together.
But in use since the different therefore bearings of wind direction itself will receive biggish radial force and axial force etc.,
The trend for generating relative motion between first part and second part is eventually led to, is easy to cause first part under long-time service
With the second part generation changing of the relative positions so that turnbuckle is clamped between first part and second part, need to tie up in the later period
The case where turnbuckle damage can not screw out is easy to appear when repairing, it is inconvenient when leading to later period maintenance and dismantling.
Summary of the invention
The purpose of the present invention is to provide a kind of three-row cylinder roller bearings, have the advantages that be easy to remove and repair.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of three-row cylinder roller axis
It holds, including inner ring and outer ring, forms rolling chamber between the inner ring and outer ring, axial roller and diameter are provided in the rolling chamber
To roller, the inner ring includes first part and second part, and multiple taper pin-holes and multiple connecting holes are evenly equipped on the inner ring,
The taper pin-hole and connecting hole extend to second part, the central axis and inner ring of the taper pin-hole and connecting hole by first part
Centerline axis parallel, be provided with taper pin in the taper pin-hole, connection bolt, the connection bolt be provided in the connecting hole
Cooperate with connecting hole inner thread.
Through the above technical solutions, in use, by taper pin come so that being not susceptible between first part and second part
The changing of the relative positions limits the radial position of first part and second part, is used to draw first part and second part by connection bolt
Tightly together, connection bolt limits axial position and the radial position of first part and second part, avoids first part and the
Two parts loosen, thus in use not it is easier that the changing of the relative positions is generated between first part and second part, so that connection spiral shell
Bolt is not easy stuck between first part and second part, meets intensity and double requirements easy to disassemble, facilitates later period maintenance
With disassembly.
Preferably, the taper pin-hole runs through first part and second part, and the cross-sectional area of taper pin-hole is from taper pin-hole
One end is gradually increased to the other end, and the taper pin is bonded when being located in taper pin-hole with taper pin-hole inner wall, taper pin-hole opening compared with
Big one end is provided with the fixing piece for being fixed on taper pin in taper pin-hole.
Through the above technical solutions, since taper pin-hole one end is larger, so that taper pin has the function of braking centering, energy
Enough facilitate and taper pin is inserted into taper pin-hole, and also taper pin can be inserted into taper pin-hole when first part and second part are unjustified
In, facilitate the later period to install；It can promote the taper pin-hole in first part and when taper pin being pressed into taper pin-hole by fixing piece
Taper pin-hole alignment on two parts；Meanwhile when being pushed against taper pin in taper pin-hole by fixing piece, first part and can be made
Two parts are mutually adjacent to, and are facilitated and subsequent are screwed connection bolt.
Preferably, the biggish one end of the taper pin-hole opening is provided with step groove, and the fixing piece includes being threadedly connected to
Abutting bolt in step groove and for being pushed against taper pin in taper pin-hole.
Through the above technical solutions, taper pin can be effectively prevent to drop out from taper pin-hole by pushing against bolt, by pushing against spiral shell
Taper pin can be pushed against in taper pin-hole by bolt, so that first part and second part alignment, guarantee each part in normal position.
Preferably, removal hole being offered on the biggish one end end face of the taper pin, the removal hole inner wall is provided with screw thread,
And the central axis of the removal hole is overlapped with the central axis of taper pin.
Through the above technical solutions, need to open first part and second part in later period maintenance, but due to cone
Pin is seated in taper pin-hole, therefore for convenience splits out taper pin from taper pin-hole and the biggish one end of taper pin is provided with disassembly
Then extracting tool is pulled out in use, extracting tool is screwed in removal hole in hole outward, can facilitate taper pin from taper pin-hole
In split out.
Preferably, the outer ring is provided with circle protrusion, the axial rolling along the circumferential direction of outer ring towards on the face of inner ring
Son is located in the accommodation space that outer ring and raised two sides are formed, fluted along the circumferential direction setting of protrusion in the protrusion, described
Radial roller is located in groove, and the opening of the groove is towards inner ring side.
Through the above technical solutions, making radial roller more steady at work in a groove by putting radial roller
It is fixed, while reducing the radial dimension and weight of bearing, the oil circuit design of the size, optimization that reduce circumferential component carries winner
Region obtains good lubrication.
Preferably, the groove is located at the middle part of protrusion, and the protrusion is divided into the first face by groove towards the face of inner ring
With the second face, Mosaic face is formed between first part and second part when the first part and second part are combined,
The Mosaic face is located on the first face or the second face close to projection of the one end of protrusion on face of the protrusion towards inner ring.
Through the above technical solutions, in use, radial roller can be contacted with inner ring, and if radial roller and inner ring
Contact position is that Mosaic face then will lead to Mosaic face or radial roller is easy to be worn, because spelling in first part and second part
It is easy to produce stitching error when connecing, therefore can occur the place of out-of-flatness at Mosaic face, such as radial roller and out-of-flatness
Side's contact then will lead to the reduction of bearing rotation precision itself and the abrasion of radial roller or inner ring, finally make the work of bearing
Design requirement is not achieved in stability and service life, therefore will be staggered at Mosaic face with radial roller bearing, and then to a certain extent
Avoid the generation of above situation.
Preferably, be provided with several fuel feed holes and oil outlet on the outer ring, the fuel feed hole and oil outlet with rolling
Chamber connection, is provided with the sealing ring for preventing grease from leaking from rolling chamber, the inner ring court between the outer ring and inner ring
Be provided with seal groove on the end face of outer ring, the outer ring towards being provided with mounting groove on the end face of inner ring, the sealing ring
Inner ring is connected in seal groove, and the outer ring of the sealing ring is connected in mounting groove.
Through the above technical solutions, injecting grease into rolling chamber by fuel feed hole, made in rolling chamber by oil outlet
Grease outflow, and then realize rolling chamber in grease flowing, facilitate the new and old grease of grease to be replaced, can will be produced in bearing
Raw partial impurities are taken away, while can also play better lubricant effect；It may make that sealing ring is firm by seal groove and mounting groove
It is securely scheduled between inner ring and outer ring, and then the grease in rolling chamber is allowed to be not easy to leak between inner ring and outer ring.
Preferably, further include main bearing area and secondary bearing area, the fuel feed hole and oil outlet along outer ring circumferential direction
It is distributed on outer ring, and the quantity of the fuel feed hole and oil outlet at the main bearing area is greater than the quantity of secondary bearing area.
Through the above technical solutions, in use, bearing will be installed on blade, and blade is due to by external influence at this time
Power can generate two main bearing areas, in use by being distributed more fuel feed holes and oil outlet in main bearing area,
It may make main bearing area full of grease, main bearing area allowed to obtain good lubrication.
Preferably, it is provided with axial cage in the accommodation space, radial retainer is provided in the groove, it is described
It is provided with multiple axial pocket holes for accommodating axial roller on axial cage, is provided with multiple receiving diameters on the radial direction retainer
To the radial pocket hole of roller, the axial cage and radial retainer include two side plates and are arranged between both side plate
Partition is provided with appearance oil groove on the partition, and the appearance oil groove extends to another side plate side from wherein side plate side.
Through the above technical solutions, may make bearing to operate at high loads by axial cage and radial retainer,
And the steady operation under various adverse circumstances.Hold in oil groove in use, amount of grease will remain in, when radial roller or axial direction
When roller rotates, these greases held in oil groove can be fed to axial roller and radial roller, and then when oil supply system is being tieed up
Bearing can be allowed to work on a period of time when repairing or breaking down, and have the grease of storage in oil groove due to holding, so that
Bearing is not susceptible to damage when working on；Simultaneously when bearing working, the grease in rolling chamber can be driven by holding oil groove
Flowing, and then facilitate and the impurity generated in rolling chamber is discharged, at the same time, due to holding the space that oil groove is recess, rolling
It moves intracavitary impurity and is easy to collect in and hold in oil groove, so impurity is not easy at play to axial roller or radial roller, so that axis
It is not easy to be damaged because of impurity at work with radial roller to roller.
In conclusion the present invention having the beneficial effect that in contrast to the prior art
1, make to be not susceptible to the changing of the relative positions between first part and second part by taper pin, thus not it is easier that connection bolt is stuck
Between first part and second part, facilitate later period maintenance and disassembly；
2, radial raceway is Embedded designs the size and weight for reducing bearing, while reducing the size of circumferential component；
3, the oil circuit design optimized makes winner bearing area obtain good lubrication.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the top view of embodiment, the matching relationship of main prominent inner ring and outer ring；
Fig. 2 is the cross-sectional view of embodiment A-A along Fig. 1, the structure of main prominent taper pin-hole；
Fig. 3 is the cross-sectional view of embodiment B-B along Fig. 1, the structure of main prominent fuel feed hole；
Fig. 4 is the cross-sectional view of the C-C along Fig. 1, the structure of main prominent oil outlet and connecting hole；
Fig. 5 is the structural schematic diagram of axial cage；
Fig. 6 is the cross-sectional view of axial cage, main prominent appearance oil groove；
Fig. 7 is the structural schematic diagram of radial retainer；
Fig. 8 is the cross-sectional view of radial retainer.
Appended drawing reference: 1, inner ring；111, first part；112, second part；2, outer ring；3, rolling chamber；4, axial roller；
5, radial roller；6, taper pin-hole；7, connecting hole；8, taper pin；9, bolt is connected；10, step groove；11, bolt is pushed against；12, it dismantles
Hole；13, sealant；14, raised；15, groove；16, Mosaic face；17, fuel feed hole；18, oil outlet；19, seal groove；20, it installs
Slot；21, sealing ring；22, accommodation space；23, the first face；24, the second face；25, axial cage；26, radial retainer；27,
Axial pocket hole；28, radial pocket hole；29, side plate；30, partition；31, hold oil groove；32, main bearing area；33, secondary bearing area.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
As shown in Figure 1, 2, a kind of three-row cylinder roller bearing, including inner ring 1 and outer ring 2, shape between inner ring 1 and outer ring 2
At rolling chamber 3, wherein inner ring 1 includes first part 111 and second part 112, in order to by first part 111 and second part
112 are fixed together, and have been uniformly arranged several taper pin-holes 6 through first part 111 and second part 112, have run through first part
It 111 and extends on second part 112 and is evenly equipped with several connecting holes 7, in use, taper pin 8 is equipped in taper pin-hole 6, even
Connect the connection bolt 9 being equipped in hole 7 for by first part 111 and the tension of second part 112 together；Wherein, taper pin-hole 6
With the centerline axis parallel of the central axis of connecting hole 7 and inner ring 1, by the way that taper pin 8 is evenly arranged on first part with bolt 9 is connect
111 and second part 112 on to may make that first part 111 and second part 112 connect in use more stable, and be not susceptible to
The changing of the relative positions.
As shown in Figure 2,4, wherein taper pin-hole 6 runs through first part 111 and second part 112, and connecting hole 7 runs through first
It part 111 and extends at second part 112, in the present embodiment, the cross-sectional area of taper pin-hole 6 is from one end of taper pin-hole 6 to another
One end is gradually increased, and 8 shape of taper pin and 6 shape of taper pin-hole cooperate, and 8 one end of taper pin is relatively thick and the other end is thinner, fixed taper pin 8
When, the lesser one end of taper pin 8 is inserted into from the biggish one end of taper pin-hole 6, in order to avoid taper pin 8 is detached from from taper pin-hole 6,
It is provided in the biggish one end of taper pin-hole 6 and pushes against bolt 11, connection pushes against bolt 11 for convenience, in taper pin-hole 6 biggish one
End is provided with step groove 10, and is provided with screw thread on the inner wall of step groove 10, in use, pushing against in bolt 11 and step groove 10
Wall is threadedly engaged, and bolt 11 will be pushed against when rotation pushes against bolt 11 taper pin 8 to be pushed against in taper pin-hole 6, in the process, the
A part 111 will be aligned with second part 112, and connection bolt 9 is fixed in connecting hole 7 later.
In use, so that be not susceptible to the changing of the relative positions between first part 111 and second part 112, limiting the by taper pin 8
The radial position of a part 111 and second part 112 is used for by connection bolt 9 by first part 111 and second part 112
Tense together, connection bolt 9 limit first part 111 and second part 112 axial position, avoid first part 111 and
Second part 112 loosens.
As shown in Figure 2, wherein taper pin 8 is dismantled from taper pin-hole 6 be provided in the biggish one end of taper pin 8 for convenience
Removal hole 12, and the inner wall of removal hole 12 is provided with screw thread, in use, extracting tool is threaded in removal hole 12,
Backward taper pin-hole 6 outside pull out place taper pin 8.Taper pin 8 is pushed against in taper pin-hole 6 by pushing against bolt 11 for convenience, is made
The size that bolt 11 is greater than removal hole 12 towards the size at 8 end of taper pin must be pushed against, when rotation pushes against bolt 11 at this time, pushes against bolt
11 ends are not easily accessible in removal hole 12, facilitate subsequent dismantling.
As shown in Fig. 2, being filled with to effectively prevent extraneous steam from entering in taper pin-hole 6 in the lesser one end of taper pin-hole 6
Sealant 13, sealant 13 is polyurethane sealant 13 in the application, by sealant 13 that the lesser one end of taper pin-hole 6 is close
Envelope, and sealed the biggish one end of taper pin-hole 6 by pushing against bolt 11, it can so prevent extraneous steam to enter to a certain extent
Corrode taper pin 8 in taper pin-hole 6, taper pin 8 is effectively prevent to be not easy the case where extracting from taper pin-hole 6.
As shown in Figure 2,3, wherein the circumferential direction of outer ring 2 is provided with circle protrusion towards on the face of inner ring 1 in outer ring 2
14, at this point, outer ring 2 and raised 14 two sides are formed with accommodation space 22, it is provided in protrusion 14 along the circumferential direction of protrusion 14 recessed
Slot 15, and the opening of groove 15 is towards 1 side of inner ring.
As shown in Figure 3,4, groove 15 is located at the middle part of protrusion 14, and protrusion 14 is divided into towards the face of inner ring 1 by groove 15
First part 111 and second part when first face 23 and the second face 24, first part 111 and second part 112 are combined
Mosaic face 16 is formed between 112, due to being easy to produce stitching error when first part 111 and second part 112 splice,
Can occur the place of out-of-flatness at Mosaic face 16, and can be led if the contact position of radial roller 5 and inner ring 1 is Mosaic face 16
Cause radial roller 5 to be easy to be worn so that Mosaic face 16 close to one end of protrusion 14 in protrusion 14 towards on the face of inner ring 1
Projection be located on the first face 23 or the second face 24 so that Mosaic face 16 is apart from radial roller 5 at a distance from axial roller 4
All in state farther out, so that radial roller 5 is not easy to contact with Mosaic face 16 with axial roller 4.It in use, can be according to axis
It holds intensity and needs to design Mosaic face 16 and 14 be projected in the first face 23 towards on the face of inner ring 1 in protrusion close to one end of protrusion 14
Or the second position on face 24.
As shown in Figure 3,4, wherein be provided with several fuel feed holes 17 and oil outlet 18 on outer ring 2, fuel feed hole 17 and fuel-displaced
Hole 18 is connected to rolling chamber 3, is provided with seal groove 19 on end face of the inner ring 1 towards outer ring 2, and outer ring 2 is towards the end of inner ring 1
It is provided with mounting groove 20 on face, the sealing for preventing grease from leaking from rolling chamber 3 is provided between outer ring 2 and inner ring 1
Circle 21, wherein the inner ring 1 of sealing ring 21 is connected in seal groove 19, and the outer ring 2 of sealing ring 21 is connected in mounting groove 20.
As shown in Figure 1, three-row cylinder roller bearing further includes main bearing area 32 and secondary bearing area 33, axis when in use
It holds side to be arranged windward, the leeward setting in the other side, wherein the region at windward side and the region at leeward are main supporting region
Domain 32, fuel feed hole 17 and being circumferentially distributed on outer ring 2 along outer ring 2 of oil outlet 18, and the fuel feed hole at main bearing area 32
17 are greater than the quantity of secondary bearing area 33 with the quantity of oil outlet 18.Simultaneously in order to enable the grease in rolling chamber 3 is distributed more
Uniformly, so that the number of fuel feed hole 17 and oil outlet 18 on the main bearing area 32 at three-row cylinder roller bearing windward side
Quantity of the amount less than fuel feed hole 17 and oil outlet 18 on the main bearing area 32 at three-row cylinder roller bearing leeward.
Due to the unbalance stress of three-row cylinder roller bearing, the size of rolling chamber 3 will be made uneven, and by by fuel feed hole 17 and out
The position uneven distribution of oilhole 18, can high degree make three-row cylinder roller Bearing inner grease distribution it is more equal
It is even, so that three-row cylinder roller bearing preferable lubrication available always in use.
As shown in Figure 3,4, it is placed with radial retainer 26 in groove 15, is placed with and axially retains in accommodation space 22
Frame 25 is placed with axial roller 4 in axial cage 25, is placed with radial roller 5 in radial retainer 26.
As shown in Figure 6,7, multiple axial pocket holes 27 for accommodating axial roller 4 are provided on axial cage 25, it is radial
Multiple radial pocket holes 28 for accommodating radial roller 5 are provided on retainer 26, axial cage 25 is wrapped with radial retainer 26
The partition 30 for including two side plates 29 and being arranged between both side plate 29, be provided on partition 30 hold oil groove 31, hold oil groove 31 from
Wherein 29 side of side plate extends to another 29 side of side plate.In the present embodiment, radial retainer 26 is multistage with axial cage 25,
Multistage radial direction retainer 26 and multistage axial cage 25 separately constitute an annular, are provided on each radial direction retainer 26
A radial direction pocket hole 28 is provided with axial pocket hole 27(combination Fig. 5 on each axial cage 25, shown in 8).
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of three-row cylinder roller bearing, including inner ring (1) and outer ring (2), form between the inner ring (1) and outer ring (2)
Rolling chamber (3), the rolling chamber (3) is interior to be provided with axial roller (4) and radial roller (5), and the inner ring (1) includes first
Divide (111) and second part (112), it is characterised in that: be evenly equipped with multiple taper pin-holes (6) and multiple connections on the inner ring (1)
Hole (7), the taper pin-hole (6) extend to second part (112), the taper pin-hole by first part (111) with connecting hole (7)
(6) with the centerline axis parallel of the central axis of connecting hole (7) and inner ring (1), the taper pin-hole (6) is interior to be provided with taper pin (8),
Connection bolt (9) is provided in the connecting hole (7), the connection bolt (9) and connecting hole (7) inner thread cooperate.
2. three-row cylinder roller bearing according to claim 1, it is characterised in that: the taper pin-hole (6) runs through first
Divide (111) and second part (112), and the cross-sectional area of taper pin-hole (6) gradually increases from one end of taper pin-hole (6) to the other end
Greatly, the taper pin (8) be located at taper pin-hole (6) it is interior when be bonded with taper pin-hole (6) inner wall, the taper pin-hole (6) opening biggish one
End is provided with the fixing piece for being fixed on taper pin (8) in taper pin-hole (6).
3. three-row cylinder roller bearing according to claim 2, it is characterised in that: taper pin-hole (6) opening is biggish
One end is provided with step groove (10), and the fixing piece includes being threadedly connected in step groove (10) and for pushing against taper pin (8)
Abutting bolt (11) in taper pin-hole (6).
4. three-row cylinder roller bearing according to claim 2, it is characterised in that: the biggish one end end of taper pin (8)
It is offered on face removal hole (12), removal hole (12) inner wall is provided with screw thread, and the central axis of the removal hole (12)
It is overlapped with the central axis of taper pin (8).
5. three-row cylinder roller bearing according to claim 1, it is characterised in that: the outer ring (2) is towards inner ring (1)
The circumferential direction of outer ring (2) is provided with circle protrusion (14) on face, the axial direction roller (4) is located at outer ring (2) and raised (14)
In the accommodation space (22) that two sides are formed, fluted (15) are set along the circumferential direction of raised (14) on the protrusion (14), it is described
Radial roller (5) is located in groove (15), and the opening of the groove (15) is towards inner ring (1) side.
6. three-row cylinder roller bearing according to claim 5, it is characterised in that: the groove (15) is located at raised (14)
Middle part, the protrusion (14) towards the face of inner ring (1) is divided into the first face (23) and the second face (24) by groove (15), described
It is formed between first part (111) and second part (112) when first part (111) and second part (112) are combined
Mosaic face (16), one end projection on raised (14) face towards inner ring (1) of the Mosaic face (16) close to raised (14)
On the first face (23) or the second face (24).
7. three-row cylinder roller bearing according to claim 1, it is characterised in that: be provided on the outer ring (2) several
Fuel feed hole (17) and oil outlet (18), the fuel feed hole (17) and oil outlet (18) are connected to rolling chamber (3), the outer ring
(2) sealing ring (21) for preventing grease from leaking from rolling chamber (3), inner ring (1) court are provided between inner ring (1)
It is provided on the end face of outer ring (2) seal groove (19), the outer ring (2) is towards being provided with mounting groove on the end face of inner ring (1)
(20), the inner ring (1) of the sealing ring (21) is connected in seal groove (19), and the outer ring (2) of the sealing ring (21) is connected to
In mounting groove (20).
8. three-row cylinder roller bearing according to claim 7, it is characterised in that: further include main bearing area (32) and pair
Bearing area (33), the fuel feed hole (17) and oil outlet (18) being circumferentially distributed on outer ring (2) along outer ring (2), and institute
The quantity for stating fuel feed hole (17) and oil outlet (18) at main bearing area (32) is greater than the quantity of secondary bearing area (33).
9. three-row cylinder roller bearing according to claim 5, it is characterised in that: be provided in the accommodation space (22)
Axial cage (25) is provided with radial retainer (26) in the groove (15), is provided on the axial cage (25)
Multiple axial pocket holes (27) for accommodating axial rollers (4) are provided with multiple receiving radial rollers on the radial direction retainer (26)
(5) radial pocket hole (28), the axial cage (25) and radial retainer (26) include two side plates (29) and setting
Partition (30) between both side plate (29) is provided on the partition (30) and holds oil groove (31), the appearance oil groove (31) from its
Middle side plate (29) side extends to another side plate (29) side.
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| CN201910606950.1A CN110206817B (en) | 2019-07-06 | 2019-07-06 | Three-row cylindrical roller bearing |
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| CN201910606950.1A CN110206817B (en) | 2019-07-06 | 2019-07-06 | Three-row cylindrical roller bearing |
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| CN110206817B CN110206817B (en) | 2024-07-12 |
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| CN110242675A (en) * | 2019-07-01 | 2019-09-17 | 洛阳新强联回转支承股份有限公司 | A kind of super-huge double-row conical pivoting support |
| CN110762124A (en) * | 2019-10-30 | 2020-02-07 | 许昌许继风电科技有限公司 | Wind turbine and pitch bearing of wind turbine |
| CN114135576A (en) * | 2021-12-13 | 2022-03-04 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and machining method of main bearing outer ring assembly |
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| CN114135576B (en) * | 2021-12-13 | 2023-10-31 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and processing method of main bearing outer ring assembly |
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|---|---|
| CN110206817B (en) | 2024-07-12 |
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Country or region after: China Address after: No. 999 Oucheng South Road, Qingbaijiang District, Chengdu City, Sichuan Province, 610306 Applicant after: CHENGDU TIANMA PRECISION MACHINERY Co.,Ltd. Address before: 610306 1st floor, building 5, 143 Xiabei street, Chengxiang Town, Qingbaijiang District, Chengdu City, Sichuan Province Applicant before: CHENGDU TIANMA PRECISION MACHINERY Co.,Ltd. Country or region before: China |
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Inventor after: Yang Qunhao Inventor after: Wu Weiming Inventor after: Chen Xiaogang Inventor after: Wang Wenge Inventor before: Yang Qunhao Inventor before: Wu Weiming Inventor before: Chen Xiaogang Inventor before: Wang Wenge |
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