CN110030276A - The lubrication system of rolling bearing - Google Patents
The lubrication system of rolling bearing Download PDFInfo
- Publication number
- CN110030276A CN110030276A CN201811540338.0A CN201811540338A CN110030276A CN 110030276 A CN110030276 A CN 110030276A CN 201811540338 A CN201811540338 A CN 201811540338A CN 110030276 A CN110030276 A CN 110030276A
- Authority
- CN
- China
- Prior art keywords
- oil
- rolling bearing
- oil guide
- space
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6677—Details of supply of the liquid to the bearing, e.g. passages or nozzles from radial inside, e.g. via a passage through the shaft and/or inner ring
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0487—Friction gearings
- F16H57/0489—Friction gearings with endless flexible members, e.g. belt CVTs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of lubrication system of rolling bearing, so that oil stablizes the supply of a pair of of rolling bearing at the both ends of supporting rotating shaft.Oil guide plate (59) has: the insertion section (59a) of tubular is pressed into the oily channel (23a) of rotary shaft (23)；And Oil Guide portion (59b), it is expanded funnel-shapedly from one end lateral space (60) of insertion section (59a), it is formed between the inner wall (12b) in the restriction space (60) of the peripheral part and shell (12) of Oil Guide portion (59b) by the gap (α) of oil the 1st rolling bearing (21) of guiding in space (60), even if the therefore pasta decline of the oil in space (60), it also can be by gap (α) without barrier to the 1st rolling bearing (21) for oil supply, and oil can be swimmingly oriented to the oily channel (23a) of deboost axle (23) with the Oil Guide portion (59b) expanded funnel-shapedly and be supplied to the 2nd rolling bearing (22).
Description
Technical field
The present invention relates to a kind of lubrication systems of rolling bearing, wherein the one end of rotary shaft and the other end respectively by
1st rolling bearing and the 2nd rolling bearing are supported on shell, along axially through there is oily channel in the rotary shaft, using being set to
The oil guide plate of the one end of the rotary shaft, the oil being fed into the space that the one end of the rotary shaft is faced are directed to
1st rolling bearing and the oily channel, and the 2nd rolling bearing is directed to from the oily channel.
Background technique
According to such as flowering structure known in following patent document 1: the shaft end portion of drive shaft being supported on steering by ball bearing
Section, the peripheral part of cricoid oil guide plate (sealing) is sandwiched and is fixed between knuckle and the outer ring of ball bearing, in Oil Guide
Cricoid gap is formed between the inner peripheral portion of plate and the outer peripheral surface of drive shaft, and the periphery along drive shaft is thus captured with oil guide plate
Face is supplied to the foreign matter contained in the lubrication oil of ball bearing.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2009-115257 bulletin
Summary of the invention
Subject to be solved by the invention
But in above-mentioned previous structure, the peripheral part of oil guide plate is sandwiched and is fixed on the outer of knuckle and ball bearing
Between circle, gap is formed between the inner peripheral portion of oil guide plate and the outer peripheral surface of drive shaft, therefore when the outer peripheral surface along drive shaft
When the flow of the oil of supply is reduced, only lower half portion becomes state dipped in oil for drive shaft and oil guide plate.In this state, edge
The oil of the outer peripheral surface supply of the lower half of drive shaft need to cross the lower half of oil guide plate and be supplied to ball bearing, therefore deposit
Unstable problem is become to the supply of ball bearing in oil.
The present invention has been made in view of the above-described circumstances, it is therefore intended that rolls oil to a pair of of both ends of supporting rotating shaft
The supply of dynamic bearing is stablized.
Means for solving the problems
In order to achieve the above object, the invention recorded according to technical solution 1, proposes a kind of lubrication system of rolling bearing,
Wherein, the one end of rotary shaft and the other end are supported on shell by the 1st rolling bearing and the 2nd rolling bearing respectively, in the rotation
Along axially through there is oily channel in shaft, using the oil guide plate for the one end for being set to the rotary shaft, it is fed into the rotation
The oil in space that the one end of shaft is faced is directed to the 1st rolling bearing and the oily channel, and from the oil
Channel is directed to the 2nd rolling bearing, which is characterized in that the oil guide plate has: the insertion section of tubular, is pressed into described
Oily channel；And Oil Guide portion, it is expanded funnel-shapedly from one end side of the insertion section to the space, in the Oil Guide portion
Peripheral part and the shell the restriction space inner wall between be formed with the oil guiding the described 1st in the space
The gap of rolling bearing.
Furthermore according to the invention that technical solution 2 is recorded, a kind of lubrication system of rolling bearing is proposed, in technical solution 1
On the basis of structure, which is characterized in that the 1st rolling bearing and the 2nd rolling bearing are tapered roller bearings.
Furthermore according to the invention that technical solution 3 is recorded, a kind of lubrication system of rolling bearing is proposed, in technical solution 1 or 2
Structure on the basis of, which is characterized in that be formed in the Oil Guide portion and abutted with the axial end of the one end of the rotary shaft
Abutting part.
Furthermore according to technical solution 4 record invention, propose a kind of lubrication system of rolling bearing, technical solution 1 to
On the basis of the structure of any one in technical solution 3, which is characterized in that by by the other end of the insertion section to diameter
It is curved to the inside, form the flow path of constriction oil intercepts portion.
In addition, the right shell body 11 and middle casing 12 of embodiment are corresponding with shell of the invention, the 1st circle of embodiment
Taper roller bearing 21 and the 2nd tapered roller bearing 22 are corresponding with rolling bearing of the invention, the deboost axle 23 and sheet of embodiment
The rotary shaft of invention is corresponding.
Invention effect
According to the structure of technical solution 1, the one end of rotary shaft and the other end are rolled by the 1st rolling bearing and the 2nd respectively
Dynamic bearing is supported on shell, along axially through there is oily channel in the rotary shaft.It is supplied to what the one end of rotary shaft was faced
The oil guide plate that oil in space is arranged at the one end of rotary shaft is directed to the 1st rolling bearing and oily channel, and from oily channel
It is directed to the 2nd rolling bearing.
Oil guide plate has: the insertion section of tubular is pressed into oily channel；And Oil Guide portion, the one end from insertion section
It expands to space, is formed between the inner wall in the restriction space of the peripheral part and shell in Oil Guide portion by space funnel-shapedly
In oil guiding the 1st rolling bearing gap, therefore even if in space oil pasta decline, also can be accessible by gap
Oil, for oil supply, and can be swimmingly oriented to deboost axle with the Oil Guide portion that expands funnel-shapedly to the 1st rolling bearing by ground
Oily channel, and it is supplied to the 2nd rolling bearing.And oil guide plate is fixed on deboost axle and insertion section is pressed into oily channel, because
This will not affect the preloading of the 1st rolling bearing and the 2nd rolling bearing.
According to the structure of technical solution 2, when the 1st rolling bearing and the 2nd rolling bearing are tapered roller bearings, preload
Variation may bring adverse effect to rotational resistance or durability, but be fixed on shell and outer since oil guide plate need not be sandwiched
Between circle, therefore it can be avoided the variation preloaded caused by the plate thickness fluctuation of oil guide plate.
Furthermore according to the structure of technical solution 3, it is formed in Oil Guide portion and is abutted with the axial end of the one end of rotary shaft
Abutting part, therefore when by the oily channel of the insertion section of oil guide plate indentation rotary shaft, can not only make its compression distance fix and
Improve assembly precision, additionally it is possible to make assembling attitude stabilization of the oil guide plate relative to rotary shaft.
Contracting is formd by the way that the other end of insertion section to be bent to radially inner side furthermore according to the structure of technical solution 4
The flow path of narrow oil intercepts portion, therefore can adjust the oil mass for being supplied to the 1st rolling bearing in simple structure and be supplied to the 2nd
The ratio of the oil mass of rolling bearing.
Detailed description of the invention
Fig. 1 is the longitudinal section view of variable v-belt drive.
Fig. 2 is 2 enlarged drawings of Fig. 1.
Fig. 3 is 3 enlarged drawings of Fig. 2.
Fig. 4 is the figure for showing comparative example corresponding with Fig. 3.
Label declaration
11: right shell body (shell)；
12: middle casing (shell)；
12b: inner wall；
21: the 1 tapered roller bearings (the 1st rolling bearing)；
22: the 2 tapered roller bearings (the 2nd rolling bearing)；
23: deboost axle (rotary shaft)；
23a: oily channel；
23d: axial end；
59: oil guide plate；
59a: insertion section；
59b: Oil Guide portion；
59c: abutting part；
59d: portion is intercepted；
60: space；
α: gap.
Specific embodiment
Hereinafter, illustrating embodiments of the present invention according to FIG. 1 to FIG. 4.
As shown in Figure 1, for motor vehicle variable v-belt drive T has right shell body 11, middle casing 12 and left shell 13,
It is supported with main shaft 16 by ball bearing 14,15 respectively on middle casing 12 and left shell 13, in right shell body 11, middle casing 12
And it is supported with countershaft 20 by ball bearing 17, ball bearing 18 and roller bearing 19 respectively on left shell 13, in middle case
Deboost axle 23 is supported with by the 1st tapered roller bearing 21 and the 2nd tapered roller bearing 22 respectively on body 12 and right shell body 11.It is left
End periphery by relative rotation freely in a manner of be entrenched in main shaft 16 right end inner circumferential input shaft 24 right end in right shell body 11
The left end of crankshaft 25 at opening portion with engine E is coaxially opposed.
In the inside of right shell body 11, torque-converters 26 is configured in a manner of the right end periphery for surrounding input shaft 24, in centre
The inside of shell 12, configured with by planetary gear mechanism structure in a manner of surrounding the periphery of fitting portion of input shaft 24 and main shaft 16
At forward-reverse switching mechanism 27, and with the mode adjacent with the radial outside of forward-reverse switching mechanism 27 configured with oil
Pump 28.
Forward-reverse switching mechanism 27 has gear ring, sun gear, planet carrier, forward clutch 43 and the brake that reverses gear
44, input part, that is, gear ring of forward-reverse switching mechanism 27 is connect with output block, that is, input shaft 24 of torque-converters 26, is advanced
Output block, that is, the sun gear for retreating switching mechanism 27 is connect with main shaft 16.When forward clutch 43 engages, gear ring and the sun
Wheel combines, and input shaft 24 is directly connected to main shaft 16, to establish advance traveling gear.When the brake 44 that reverses gear engages, row
Carrier is restrained and cannot rotate, and the rotation of gear ring becomes reverse rotation and transmits to sun gear, to establish retrogressing traveling gear.
In the inside of middle casing 12, in the driving pulley 29 for being set to the periphery of main shaft 16 and it is set to the outer of countershaft 20
Cricoid metal tape 31 is wound on the driven pulley 30 in week.Driving pulley 29 has affixed side pulley half 29a and being capable of phase
The drawer at movable side pulley half 29b of/separation close for the affixed side pulley half 29a, utilizes the oil pressure energy for acting on grease chamber 32
Enough control groove width.Similarly, driven pulley 30 has affixed side pulley half 30a and can be relative to the affixed side pulley half
The drawer at movable side pulley half 30b that 30a is approached/separated, can control groove width using the oil pressure for acting on grease chamber 33.
Differential gear 36 is supported with by tapered roller bearing 34,35 respectively on right shell body 11 and middle casing 12.If
The 1st reduction gearing 37 for being placed in countershaft 20 is engaged with the 2nd reduction gearing 38 for being set to deboost axle 23, is set to deboost axle 23
Final driving gear 39 is engaged with the final driven gear 40 for the periphery for being set to differential gear 36.And from differential gear 36 to
The drive shaft 41,42 for the left and right that left and right extends is connect with the wheel of left and right.
Therefore, when the rotation of the crankshaft 25 of engine E from torque-converters 26 via input shaft 24 and forward-reverse switching mechanism
27 when being transmitted to main shaft 16, and the rotation of main shaft 16 is transmitted to countershaft via metal tape 31 and driven pulley 30 from driving pulley 29
20.At this point, if the groove width of the groove width of broadening driving pulley 29 and constriction driven pulley 30, gear ratio continuously become to the side LO
Change, on the contrary, if the groove width of constriction driving pulley 29 and widen the groove width of driven pulley 30, gear ratio continuously becomes to the side OD
Change.
Also, the rotation of countershaft 20 is by the 37 → the 2nd 38 → deboost axle of reduction gearing 23 of the 1st reduction gearing → final sliding tooth
Wheel 39 → 36 → drive shaft of final 40 → differential gear of driven gear 41,42 path is transmitted to the wheel of left and right.
As shown in Figures 2 and 3, deboost axle 23 is in left side periphery spline to be combined with the 2nd reduction gearing 38 and outside right side
The hollow shaft of final driving gear 39 is formed with week, inside it along axially through there is oily channel 23a.
The 1st tapered roller bearing 21 that the left end of deboost axle 23 is supported on middle casing 12 is had: inner ring 51, with
The mode that the stepped part 23b of the left end of deboost axle 23 is abutted is chimeric；Outer ring 52, with the ladder of the inner surface with middle casing 12
The mode that portion 12a is abutted is chimeric；Multiple taper rollers 53, they are configured between inner ring 51 and outer ring 52；And retainer 54,
It keeps multiple taper rollers 53 at regular intervals.
The right end of deboost axle 23 is supported on to the 2nd tapered roller bearing 22 and the 1st tapered roller bearing 21 of right shell body 11
Structure is identical, has: inner ring 55, chimeric in a manner of abutting with the stepped part 23c of the right end of deboost axle 23；Outer ring 56,
It is chimeric in a manner of being abutted with the stepped part 11a of the inner surface of right shell body 11；Multiple taper rollers 57, they are configured in inner ring 55
Between outer ring 56；And retainer 58, multiple taper rollers 57 are kept at regular intervals.
1st tapered roller bearing 21 and the 2nd tapered roller bearing 22 are can not only to support radial load can also prop up
The angular contact bearing for holding the load of thrust direction, the thrust load to be exerted a force to the left to deboost axle 23 is by the 1st tapered roller bearing 21
Bearing, the thrust load that deboost axle 23 exerts a force to the right is supported by the 2nd tapered roller bearing 22.
The oil of lubrication is arranged to the oil guide plate 59 that the 1st tapered roller bearing 21 and the 2nd tapered roller bearing 22 guide
In the left part of deboost axle 23.Oil guide plate 59 is the component that rotary body shape made of punch process is carried out to metal plate, is had:
Cylindric insertion section 59a；And Oil Guide portion 59b, from space 60 of the left end of insertion section 59a into middle casing 12 in leakage
It expands bucket-shapedly.Being provided in the Oil Guide portion 59b of oil guide plate 59 can support with what the axial end 23d in the left side of deboost axle 23 was abutted
The right end of socket part 59c, the insertion section 59a of oil guide plate 59 are bent to radially inner side, so that form the flow path of constriction oil intercepts portion
59d。
Oil guide plate 59 is fixed in abutting by the way that insertion section 59a to be pressed into from the left end of the oily channel 23a of deboost axle 23
The position that portion 59c is abutted with the axial end 23d of deboost axle 23.In this state, in the peripheral part of the Oil Guide portion 59b of oil guide plate 59
Cricoid gap α is formed between the inner wall 12b of middle casing 12, gap α faces a left side for the 1st tapered roller bearing 21
Side.
Circular recess portion 11b, the recess portion are formed in the inner surface for the right shell body 11 that the right part of deboost axle 23 is faced
11b faces the right side of the 2nd tapered roller bearing 22.
From oil pump (not shown) oil via the inside for being formed in left shell 13 oil circuit 13a and be formed in middle casing
The oil circuit 12c of 12 inside is fed into the space 60 (referring to Fig.1) of middle casing 12, flows therefrom to 23 side of deboost axle,
Lubricate the 1st tapered roller bearing 21 and the 2nd tapered roller bearing 22.
Fig. 4 shows the comparative example of present embodiment, and the structure other than oil guide plate 59 ' is identical as present embodiment.
That is, the oil guide plate 59 ' of comparative example has: cylindric insertion section 59e；And circular Oil Guide portion 59f, from
The one end of insertion section 59e extends while being bent to radial outside.Oil guide plate 59 ', which is sandwiched into, is fixed on middle casing 12
Between stepped part 12a and the outer ring 52 of the 1st tapered roller bearing 21.It is formed in the one end of the oily channel 23a of deboost axle 23
To radially inner side circular protrusion 23e outstanding, formed between the insertion section 59e and circular protrusion 23e in insertion oil channel 23a
There is cricoid gap beta, and is formed in the radial middle position of Oil Guide portion 59f in face of the multiple of the 1st tapered roller bearing 21
Oilhole 59g.
According to the comparative example for having above structure, supplied via the oil circuit 13a of left shell 13 and the oil circuit 12c of middle casing 12
It is given to the oil in space 60 and flows to right side towards oil guide plate 59 ', part of it is by being formed in the Oil Guide portion 59f of oil guide plate 59 '
Oilhole 59g lubricates the 1st tapered roller bearing 21.The another part of oil in space 60 is supplied to from the insertion section of oil guide plate 59 '
59e is supplied to the oily channel 23a of deboost axle 23, from there through between the circular protrusion 23e and insertion section 59e of oily channel 23a
Gap beta is supplied to the 1st tapered roller bearing 21, and leads to the outlet of oil passage 23a and touch with the recess portion 11c of right shell body 11
It hits, therefore changes 180 ° of directions and lubricate the 2nd tapered roller bearing 22.
However, when the pasta decline of the oil in space 60 is lower than the oilhole 59g of lowermost position, being in above-mentioned comparative example
By the oil supply in space 60 to the 1st tapered roller bearing 21 and the 2nd tapered roller bearing 22, then oil must be made along vertical
The wall surface of the Oil Guide portion 59f of standing rises, and reaches oilhole 59g and insertion section 59e, therefore oil is to the 1st tapered roller bearing 21
Supply with the 2nd tapered roller bearing 22 may become unstable.
Also, the peripheral part of the Oil Guide portion 59f of oil guide plate 59 ' sandwiches the stepped part 12a and the 1st for being fixed on middle casing 12
Between the outer ring 52 of tapered roller bearing 21, therefore the plate thickness of Oil Guide portion 59f fluctuates so that pressing the 1st taper roller axis to the right
Hold the load change of 21 outer ring 52, the preloading variation of the 1st tapered roller bearing 21.It is pre- when the 1st tapered roller bearing 21
When load variation, change from the 1st tapered roller bearing 21 via the axial press load that deboost axle 23 transmits, therefore the 2nd circle
The preloading of taper roller bearing 22 also changes.As a result, may be to the 1st tapered roller bearing 21 and the 2nd tapered roller bearing 22
Rolling resistance, durability bring adverse effect.
However, present embodiment according to Fig.3, the gap α shape for being connected to space 60 with the 1st tapered roller bearing 21
At between the peripheral part of Oil Guide portion 59b and the inner wall 12b of middle casing 12 of oil guide plate 59, therefore even if in space 60
The pasta decline of oil, the oil are smoothly supplied to the 1st tapered roller bearing 21 also by the lower part of gap α.
In addition, even if the pasta decline of the oil in space 60, the Oil Guide portion 59b of oil guide plate 59 are funnel-shaped towards space 60
Ground expands, therefore is guided towards the oil that oil guide plate 59 flows by Oil Guide portion 59b in space 60 and be smoothly supplied to deboost axle
23 oily channel 23a, and it is supplied to the 2nd tapered roller bearing 22 therefrom.
Also, oil guide plate 59 not sandwiches the stepped part 12a's and the 1st tapered roller bearing 21 for being fixed on middle casing 12
Between outer ring 52, but fixed and the oily channel 23a by insertion section 59a indentation deboost axle 23, therefore oil guide plate 59 will not
Influence the preloading of the 1st tapered roller bearing 21 and the 2nd tapered roller bearing 22.
In addition, if the standard-sized sheet open area of the gap α of setting present embodiment is equal to the open of the oilhole 59g of comparative example
The sum of area and the standard-sized sheet open area of gap beta, the then oil to the 1st tapered roller bearing 21 when can be initially filled with oil space 60
Supply amount is set as identical as comparative example.
Also, in the oil guide plate 59 of present embodiment, when insertion section 59a to be inserted into the oily channel 23a of deboost axle 23, support
Socket part 59c is abutted with axial end 23d, therefore insertion section 59a can not only be inserted into constant depth and be improved assembly precision, also
The inclination of oil guide plate 59 can be prevented to make to assemble attitude stabilization.
In addition, portion 59d is intercepted to be formed in the front end of bending insertion section 59a, therefore can adjust in simple structure
The flow for flowing through the oil of oily channel 23a can adjust the oil mass for being supplied to the 1st tapered roller bearing 21 and be supplied to the 2nd circular cone
The ratio of the oil mass of roller bearing 22.And oilhole 59g (referring to Fig. 4) need not be processed in Oil Guide portion 59b, and need not be in deboost axle
23 processing circular protrusion 23e (referring to Fig. 4), therefore manufacturing cost can be reduced.
Be explained above embodiments of the present invention, but the present invention can carry out within the scope of its spirit it is various
Design alteration.
For example, rolling bearing of the invention is not limited to the roller bearing of embodiment, ball bearing or needle roller axis can be
It holds.
In addition, rotary shaft of the invention is not limited to the deboost axle 23 of the variable v-belt drive T of embodiment.
Claims (4)
1. a kind of lubrication system of rolling bearing, wherein the one end of rotary shaft (23) and the other end are respectively by the 1st axis of rolling
It holds (21) and the 2nd rolling bearing (22) is supported on shell (11,12), along axially through there is oily channel in the rotary shaft (23)
(23a) is fed into the one of the rotary shaft (23) using the oil guide plate (59) for the one end for being set to the rotary shaft (23)
The oil in space (60) that end is faced is directed to the 1st rolling bearing (21) and the oily channel (23a), and from institute
It states oily channel (23a) and is directed to the 2nd rolling bearing (22),
The lubrication system of the rolling bearing is characterized in that,
The oil guide plate (59) has: the insertion section (59a) of tubular, is pressed into the oily channel (23a)；And Oil Guide portion
(59b), from the one end of the insertion section (59a), laterally the space (60) expands funnel-shapedly, in the Oil Guide portion
It is formed between the inner wall (12b) in the restriction space (60) of the peripheral part of (59b) and the shell (12) by the sky
Between oil in (60) be oriented to the gap (α) of the 1st rolling bearing (21).
2. the lubrication system of rolling bearing according to claim 1, which is characterized in that
1st rolling bearing (21) and the 2nd rolling bearing (22) are tapered roller bearings.
3. the lubrication system of rolling bearing according to claim 1 or 2, which is characterized in that
The abutting part abutted with the axial end (23d) of the one end of the rotary shaft (23) is formed in the Oil Guide portion (59b)
(59c)。
4. according to claim 1 to the lubrication system of rolling bearing described in any one in 3, which is characterized in that
By the way that the other end of the insertion section (59a) to be bent to radially inner side, form the flow path of constriction oil intercepts portion
(59d)。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-003085 | 2018-01-12 | ||
| JP2018003085A JP6612903B2 (en) | 2018-01-12 | 2018-01-12 | Rolling bearing lubrication structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030276A true CN110030276A (en) | 2019-07-19 |
| CN110030276B CN110030276B (en) | 2021-03-26 |
Family
ID=67235320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811540338.0A Active CN110030276B (en) | 2018-01-12 | 2018-12-17 | Lubricating structure of rolling bearing |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6612903B2 (en) |
| CN (1) | CN110030276B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021104473A1 (en) | 2021-02-25 | 2022-08-25 | Bayerische Motoren Werke Aktiengesellschaft | Hollow shaft device with passive liquid supply and drive device with hollow shaft device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57137767A (en) * | 1981-02-20 | 1982-08-25 | Nissan Motor Co Ltd | Lubricator for inside of gear |
| JPS6229661B2 (en) * | 1978-04-27 | 1987-06-27 | Gen Motors Corp | |
| EP0573063A1 (en) * | 1992-06-04 | 1993-12-08 | Ebara Corporation | Bearing lubricating structure for rotary machinery |
| EP0684409A1 (en) * | 1994-05-28 | 1995-11-29 | Ford-Werke Aktiengesellschaft | Satellite carrier with lubricant collecting oil ring |
| KR20040033980A (en) * | 2002-10-16 | 2004-04-28 | 현대자동차주식회사 | Lubricating structure of manual transmission |
| CN1537779A (en) * | 2003-04-18 | 2004-10-20 | 本田技研工业株式会社 | Drive shift support mechanism of ship propulsion unit |
| JP2009209965A (en) * | 2008-02-29 | 2009-09-17 | Nissan Motor Co Ltd | Electromotive drive device |
| CN202327031U (en) * | 2011-08-22 | 2012-07-11 | 江阴克威齿轮箱制造有限公司 | Oil return lubrication structure for speed reducer |
| CN103403399A (en) * | 2010-11-26 | 2013-11-20 | 株式会社利富高 | Lubricating-oil collection guide |
| CN103502134A (en) * | 2011-05-09 | 2014-01-08 | 奥的斯电梯公司 | Seal assembly for a bearing assembly |
| CN104033578A (en) * | 2013-03-08 | 2014-09-10 | 本田技研工业株式会社 | Oil guide plate |
| CN104603503A (en) * | 2012-08-20 | 2015-05-06 | 舍弗勒技术股份两合公司 | Plug-in shaft system, differential having a plug-in shaft system, oil guide in a shaft system of a transmission, and steel oil pan for oiling a shaft |
| WO2017162242A1 (en) * | 2016-03-23 | 2017-09-28 | Schaeffler Technologies AG & Co. KG | Planet drive with at least one planet carrier, planet gears, planet pins and a lubricating device |
-
2018
- 2018-01-12 JP JP2018003085A patent/JP6612903B2/en not_active Expired - Fee Related
- 2018-12-17 CN CN201811540338.0A patent/CN110030276B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6229661B2 (en) * | 1978-04-27 | 1987-06-27 | Gen Motors Corp | |
| JPS57137767A (en) * | 1981-02-20 | 1982-08-25 | Nissan Motor Co Ltd | Lubricator for inside of gear |
| EP0573063A1 (en) * | 1992-06-04 | 1993-12-08 | Ebara Corporation | Bearing lubricating structure for rotary machinery |
| EP0684409A1 (en) * | 1994-05-28 | 1995-11-29 | Ford-Werke Aktiengesellschaft | Satellite carrier with lubricant collecting oil ring |
| KR20040033980A (en) * | 2002-10-16 | 2004-04-28 | 현대자동차주식회사 | Lubricating structure of manual transmission |
| CN1537779A (en) * | 2003-04-18 | 2004-10-20 | 本田技研工业株式会社 | Drive shift support mechanism of ship propulsion unit |
| JP2009209965A (en) * | 2008-02-29 | 2009-09-17 | Nissan Motor Co Ltd | Electromotive drive device |
| CN103403399A (en) * | 2010-11-26 | 2013-11-20 | 株式会社利富高 | Lubricating-oil collection guide |
| CN103502134A (en) * | 2011-05-09 | 2014-01-08 | 奥的斯电梯公司 | Seal assembly for a bearing assembly |
| CN202327031U (en) * | 2011-08-22 | 2012-07-11 | 江阴克威齿轮箱制造有限公司 | Oil return lubrication structure for speed reducer |
| CN104603503A (en) * | 2012-08-20 | 2015-05-06 | 舍弗勒技术股份两合公司 | Plug-in shaft system, differential having a plug-in shaft system, oil guide in a shaft system of a transmission, and steel oil pan for oiling a shaft |
| CN104033578A (en) * | 2013-03-08 | 2014-09-10 | 本田技研工业株式会社 | Oil guide plate |
| WO2017162242A1 (en) * | 2016-03-23 | 2017-09-28 | Schaeffler Technologies AG & Co. KG | Planet drive with at least one planet carrier, planet gears, planet pins and a lubricating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019124237A (en) | 2019-07-25 |
| JP6612903B2 (en) | 2019-11-27 |
| CN110030276B (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7597482B2 (en) | Skew contact double row ball bearing and bearing device for supporting pinion shaft | |
| US8523725B2 (en) | Lubricating structure of speed change mechanism | |
| EP3604858B1 (en) | Pressing device for toroidal continuously variable transmission | |
| US10760613B2 (en) | Rotary device | |
| CN110030276A (en) | The lubrication system of rolling bearing | |
| CN205715582U (en) | Planetary transmission for wind power equipment | |
| EP2824365B1 (en) | Speed reducer | |
| WO2014162636A1 (en) | Power transmission device | |
| JP5072672B2 (en) | Lubricating structure of planetary gear unit | |
| US11316408B2 (en) | Cooling apparatus for electric motor | |
| US8152382B2 (en) | Output tube assembly for drive axle covers and method of use | |
| JP4823624B2 (en) | Tapered roller bearing and assembly method thereof | |
| JP2008089078A (en) | Pinion shaft and automatic transmission | |
| US10428929B2 (en) | Composite planetary staking pin with lubrication feed feature | |
| JP2005098316A (en) | Conical roller bearing | |
| JP2009216112A (en) | Radial needle roller bearing | |
| JP5625539B2 (en) | Sealed rolling bearing | |
| US20210356033A1 (en) | Differential device | |
| JP2018071720A (en) | Corrugated holder and ball bearing | |
| JP2008101674A (en) | Rolling bearing device | |
| WO2017170590A1 (en) | Gearing | |
| JP2008185172A (en) | Self-alignment roller bearing for planetary reduction gear | |
| WO2017170589A1 (en) | Transmission device | |
| JP2008261398A (en) | Planetary gearing | |
| JP2008185178A (en) | Self-alignment roller bearing for planetary reduction gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |