CN109281934A - A kind of double-row outer-ring-free cylinder roller bearing with retainer - Google Patents
A kind of double-row outer-ring-free cylinder roller bearing with retainer Download PDFInfo
- Publication number
- CN109281934A CN109281934A CN201811435541.1A CN201811435541A CN109281934A CN 109281934 A CN109281934 A CN 109281934A CN 201811435541 A CN201811435541 A CN 201811435541A CN 109281934 A CN109281934 A CN 109281934A
- Authority
- CN
- China
- Prior art keywords
- retainer
- correction
- roller
- slot
- 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.)
- Pending
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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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
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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
-
- 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
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
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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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/04—Preventing damage to bearings during storage or transport thereof or when otherwise out of use
- F16C41/045—Devices for provisionally retaining needles or rollers in a bearing race before mounting of the bearing on a shaft
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to technical field of bearings, especially a kind of double-row outer-ring-free cylinder roller bearing with retainer, including inner ring, inner ring periphery wall is equipped with the first raceway and the second raceway, the first retainer and the second retainer are respectively equipped in first raceway and the second raceway, pocket hole is arranged at intervals on first retainer and the second retainer, roller is installed in pocket hole, pocket hole two sides inner wall is provided with the deviation correction mechanism for avoiding roller from deviating, roller resetting-mechanism is additionally provided on the inner wall of pocket hole and positioned at the side of deviation correction mechanism, connector sleeve is provided between first retainer and the second retainer, the radial outer end two sides of connector sleeve are respectively arranged with the first fixture block and the second fixture block, first fixture block and the second fixture block are respectively engaged on the first retainer and the second retainer, inner ring is equipped with inserting groove, connector sleeve is plugged in inserting groove and rotates It is provided with ball.Structure of the invention is stablized, and effectively improves revolving speed, is worthy to be popularized.
Description
Technical field
The present invention relates to technical field of bearings more particularly to a kind of double-row outer-ring-free cylindrical roller axis with retainer
It holds.
Background technique
No outer ring full-complement cylinder roller bearing is mainly used for the planetary gear and sun gear inner hole of industrial planet-gear speed reducer
It is interior that height, and the occasion that installation space is minimum are required to Performance And Reliability with other.Harsh service condition requires bearing cloth
Cylindrical roller as much as possible is set, while guaranteeing the compactedness of design again, just can guarantee bearing radial carrying as big as possible
Power and high rigidity requirement.Double-row outer-ring-free full-complement cylinder roller bearing has more rollers, but this double-row bearing structure
It is very unstable, it is not easy to install and transport, and when in use, occasion especially high in speed demand, no outer ring cylinder rolling
Sub- bearing is difficult to apply, and is unable to satisfy working condition requirement, but is easy protecting during high-speed rotation using common retainer
It holds and occurs the phenomenon that sideslip in frame, cause cylindrical roller to occur with retainer stuck, influence normal use, reduce the use of bearing
Effect, and double column structure overall stability is longer, and common retainer is easy to appear the phenomenon that left and right is beated, and is not enough to carry such as
The roller of this quantity influences the bearing capacity of bearing.
Summary of the invention
It is unstable the purpose of the present invention is to solve existing in the prior art, the shortcomings that cannot achieve high-speed rotation, and
A kind of double-row outer-ring-free cylinder roller bearing with retainer of proposition.
To achieve the goals above, present invention employs following technical solutions:
A kind of double-row outer-ring-free cylinder roller bearing with retainer, including inner ring are designed, on the inner ring periphery wall
Circumferentially be symmetrically arranged with the first raceway and the second raceway, circumferentially rolled in first raceway and the second raceway be provided with it is more
A roller further respectively has the first retainer and the second retainer in first raceway and the second raceway, and described first keeps
Pocket hole is arranged at intervals on frame and the second retainer, the roller is mounted in pocket hole, and pocket hole two sides inner wall is respectively provided with
There is the deviation correction mechanism for avoiding roller from deviating, on the inner wall of the pocket hole and is located at the side of deviation correction mechanism and is additionally provided with roller reset
Mechanism is provided with connector sleeve, the radial outer end two sides difference of the connector sleeve between first retainer and the second retainer
It is provided with the first fixture block and the second fixture block, is correspondingly provided on the axial inner ends face of the first retainer and matches with the composition grafting of the first fixture block
The first card slot closed is correspondingly provided on the axial inner ends face of the second retainer and constitutes the second mating card with the second fixture block
Slot on the periphery wall of the inner ring and is located at middle part and is provided with inserting groove, and the connector sleeve is radially extended with into inserting groove
Insertion section, rotation is provided with ball on the insertion section, and the ball is in contact with inserting groove inner wall.
Preferably, the deviation correction mechanism include correction slot and correction ball, the correction slot close to one end of pocket bore ends extremely
The other end of the slot close to pocket hole middle position of rectifying a deviation gradually is arranged deeply, and the correction ball rolls setting in correction slot, the correction
Ball portion is located at the outside of correction slot and is in contact with roller, and the ball of setting correction along its length resets in the correction groove bottom
Mechanism.
Preferably, the correction ball resetting-mechanism includes reseting groove, is provided in the reseting groove for resetting correction ball
Reset spring, described reset spring one end and reseting groove contradict, and the other end and correction ball contradict.
Preferably, the roller resetting-mechanism includes contradicting slot, is provided with wear-resisting elastic slice in the conflict slot, described wear-resisting
Elastic slice both ends, which are fixed on, to be contradicted on slot inner wall, in the middle part of the wear-resisting elastic slice to the roller direction arch setting and with roller gap
Setting also contradicts the conflict bullet having for making to be in contact in the middle part of wear-resisting elastic slice with roller between the wear-resisting elastic slice and conflict slot
Spring.
Preferably, it is provided with oil storage tank on the correction slot inner wall, is provided with solid grease in the oil storage tank.
It preferably, further include housing for preventing roller from falling apart, the housing is set in the first retainer and second and protects
It holds outside frame.
A kind of double-row outer-ring-free cylinder roller bearing with retainer proposed by the present invention, beneficial effect are: this hair
Bright two retainers are combined together by connector sleeve, and connector sleeve by the mating realization of insertion section and inserting groove with
The connection of inner ring becomes rolling by ball by the way of contact of inserting groove and insertion section, reduces insertion section and inserting groove
Friction, is further ensured that the stability of structure, improves the using effect of product, this stable structure, so that two retainer tools
There is good globality, and reduce left and right bounce in use, improves the stability of bearing entirety.Correction is set simultaneously
Mechanism and roller resetting-mechanism, can effectively rectify a deviation to roller, guarantee the stabilization of roller position, effectively improve revolving speed.
Detailed description of the invention
Fig. 1 is a kind of broken section structure of the double-row outer-ring-free cylinder roller bearing with retainer proposed by the present invention
Schematic diagram；
Fig. 2 is partial enlargement structural representation at the A of Fig. 1；
Fig. 3 is the schematic diagram of the section structure of side wall construction in pocket hole proposed by the present invention.
In figure: inner ring 1, inserting groove 11, roller 2, the first retainer 3, the first card slot 31, reseting groove 32, reset spring 33,
It contradicts slot 34, wear-resisting elastic slice 35, contradict spring 36, correction slot 37, correction ball 38, the second retainer 4, the second card slot 41, connection
Cover the 5, first fixture block 51, the second fixture block 52, insertion section 53, ball 54, housing 6.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of double-row outer-ring-free cylinder roller bearing with retainer, including inner ring 1,1 periphery of inner ring
Circumferentially be symmetrically arranged with the first raceway and the second raceway on wall, circumferentially rolled in the first raceway and the second raceway be provided with it is more
The first retainer 3 and the second retainer 4,3 He of the first retainer are further respectively had in a roller 2, the first raceway and the second raceway
Pocket hole is arranged at intervals on second retainer 4, roller 2 is mounted in pocket hole, and it is corresponding that the first retainer 3 is set to the first raceway
The limit to roller 2 in the first raceway is realized in position, and the second retainer 4 is set to the second raceway corresponding position and realizes to the second rolling
The limit of roller 2 in road is provided with connector sleeve 5, the radial outer end two of connector sleeve 5 between the first retainer 3 and the second retainer 4
Side is respectively arranged with the first fixture block 51 and the second fixture block 52, is correspondingly provided on the axial inner ends face of the first retainer 3 and the first card
Block 51 constitutes the first mating card slot 31, is correspondingly provided on the axial inner ends face of the second retainer 4 and 52 structure of the second fixture block
At the second mating card slot 41, it is provided with inserting groove 11 on the periphery wall of inner ring 1 and positioned at middle part, connector sleeve 5 is radially
Insertion section 53 is extended with into inserting groove 11, rotation is provided with ball 54, ball 54 and 11 inner wall phase of inserting groove on insertion section 53
Two retainers are combined together by connector sleeve 5 by contact, and the inserting by insertion section 53 and inserting groove 11 of connector sleeve 5
The connection of cooperation realization and inner ring 1 is connect, the cooperation of insertion section 53 and inserting groove 11 is clearance fit here, will not interfere inner ring 1
Rotation, while by ball 54 by the way of contact of inserting groove 11 and insertion section 53, become rolling, reduce insertion section 53 and
The friction of inserting groove 11 is further ensured that the stability of structure, improves the using effect of product, this stable structure, so that two
A retainer has good globality, and reduces left and right bounce in use, improves the stability of bearing entirety.
Pocket hole two sides inner wall is provided with the deviation correction mechanism for avoiding roller 2 from deviating, and deviation correction mechanism includes correction slot 37
With correction ball 38, the other end of the correction slot 37 close to one end of pocket bore ends to correction slot 37 close to pocket hole middle position is gradually set deeply
It sets, correction ball 38 rolls setting in correction slot 37, and correction 38 part of ball is located at the outside of correction slot 37 and connects with roller 2
Ball resetting-mechanism of rectifying a deviation is arranged on 37 bottom surface of slot in touching, correction along its length, and in high speed use process, roller 2 is easy to appear
The phenomenon that sideslip, causes bearing using effect bad, reduces using effect, by the correction slot 37 of setting, while in correction slot
Setting correction ball 38 in 37 can contradict correction ball 38 when sideslip inclination occurs in roller 2, so that correction ball 38 is along entangling
Inclined slot 37 slides, and can equally contradict since correction ball 38 is in the deeper side of correction slot 37 when moving to shallower side
Roller 2, limits the further deflection of roller 2, and roller 2 is gradually resetted.
Ball resetting-mechanism of rectifying a deviation includes reseting groove 32, and the reset spring for resetting correction ball 38 is provided in reseting groove 32
33,33 one end of reset spring and reseting groove 37 contradict, and the other end and correction ball 38 contradict, can be with by the way that reset spring 33 is arranged
After correction ball 38 is slid by conflict, reset spring 33 is contradicted, further correction ball 38 is resetted by reset spring 33,
To which ejection roller 2 resets, roller 2 is avoided sideslip occur.
It is additionally provided with roller resetting-mechanism on the inner wall of pocket hole and positioned at the side of deviation correction mechanism, roller resetting-mechanism includes contradicting
Slot 34 contradicts and is provided with wear-resisting elastic slice 35 in slot 34, and wear-resisting 35 both ends of elastic slice, which are fixed on, to be contradicted on 34 inner wall of slot, wear-resisting elastic slice 35
Middle part to 2 direction of roller arch setting and with 2 gap setting of roller, wear-resisting elastic slice 35 and contradict slot 34 between also contradict be used for
Wear-resisting elastic slice 35 is arranged in correction 37 side of slot, in roller in the conflict spring 36 for making wear-resisting 35 middle part of elastic slice be in contact with roller 2
When 2 sideslip, equally wear-resisting elastic slice 35 is contradicted, wear-resisting elastic slice 35 equally plays the role of auxiliary reset to 2 sideslip of roller,
The two gap setting will not be in contact in normal use simultaneously, reduced the friction of the two, improved the using effect of product.
It is provided with oil storage tank on correction 37 inner wall of slot, solid grease is provided in oil storage tank, oil storage tank is set, slot 37 of rectifying a deviation
In rotation, different coating lubricating oil rouge reduce the friction between roller 2, avoid the occurrence of stuck phenomenon, while can also be with
A small amount of is 2 coating lubricating oil of roller, improves the using effect of bearing.
A kind of double-row outer-ring-free cylinder roller bearing with retainer further includes the housing 6 for preventing roller 2 from falling apart,
Housing 6 is set in outside the first retainer 3 and the second retainer 4, and housing 6 is arranged, guarantees the overall structure of bearing, it is not easy to be gone out
The phenomenon that now falling apart is readily transported.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of double-row outer-ring-free cylinder roller bearing with retainer, including inner ring (1), on inner ring (1) periphery wall
Circumferentially be symmetrically arranged with the first raceway and the second raceway, circumferentially rolled in first raceway and the second raceway be provided with it is more
A roller (2), which is characterized in that further respectively have the first retainer (3) and second in first raceway and the second raceway and protect
It holds frame (4), pocket hole is arranged at intervals on first retainer (3) and the second retainer (4), the roller (2) is mounted on
In pocket hole, pocket hole two sides inner wall is provided with the deviation correction mechanism for avoiding roller (2) from deviating, on the inner wall of the pocket hole simultaneously
It is additionally provided with roller resetting-mechanism positioned at the side of deviation correction mechanism, is arranged between first retainer (3) and the second retainer (4)
Having connector sleeve (5), the radial outer end two sides of the connector sleeve (5) are respectively arranged with the first fixture block (51) and the second fixture block (52),
It is correspondingly provided on the axial inner ends face of first retainer (3) and constitutes mating the first card slot (31) with the first fixture block (51),
It is correspondingly provided on the axial inner ends face of second retainer (4) and constitutes mating the second card slot (41) with the second fixture block (52),
It is provided with inserting groove (11) on the periphery wall of the inner ring (1) and positioned at middle part, the connector sleeve (5) is radially to inserting groove
(11) it is extended in insertion section (53), rotation is provided with ball (54) on the insertion section (53), the ball (54) and grafting
Slot (11) inner wall is in contact.
2. a kind of double-row outer-ring-free cylinder roller bearing with retainer according to claim 1, which is characterized in that institute
Stating deviation correction mechanism includes correction slot (37) and correction ball (38), and correction slot (37) is close to one end of pocket bore ends to slot of rectifying a deviation
(37) other end close to pocket hole middle position is gradually arranged deeply, and the correction ball (38) rolls setting in correction slot (37), institute
It states correction ball (38) to be partially located at the outside of correction slot (37) and be in contact with roller (2), edge on correction slot (37) bottom surface
Length direction setting correction ball resetting-mechanism.
3. a kind of double-row outer-ring-free cylinder roller bearing with retainer according to claim 2, which is characterized in that institute
Stating correction ball resetting-mechanism includes reseting groove (32), and the reset for resetting correction ball (38) is provided in the reseting groove (32)
Spring (33), described reset spring (33) one end and reseting groove (37) contradict, and the other end and correction ball (38) contradict.
4. a kind of double-row outer-ring-free cylinder roller bearing with retainer according to claim 1, which is characterized in that institute
Stating roller resetting-mechanism includes contradicting slot (34), is provided with wear-resisting elastic slice (35) in the conflict slot (34), the wear-resisting elastic slice
(35) both ends, which are fixed on, contradicts on slot (34) inner wall, arches setting in the middle part of the wear-resisting elastic slice (35) to the roller (2) direction
And with roller (2) gap setting, the wear-resisting elastic slice (35) and contradict slot (34) between also contradict have for making wear-resisting elastic slice
(35) the conflict spring (36) that middle part is in contact with roller (2).
5. a kind of double-row outer-ring-free cylinder roller bearing with retainer according to claim 2, which is characterized in that institute
It states and is provided with oil storage tank on correction slot (37) inner wall, be provided with solid grease in the oil storage tank.
6. a kind of double-row outer-ring-free cylinder roller bearing with retainer according to claim 1, which is characterized in that also
Including the housing (6) for preventing roller (2) from falling apart, the housing (6) is set in the first retainer (3) and the second retainer
(4) external.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435541.1A CN109281934A (en) | 2018-11-28 | 2018-11-28 | A kind of double-row outer-ring-free cylinder roller bearing with retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435541.1A CN109281934A (en) | 2018-11-28 | 2018-11-28 | A kind of double-row outer-ring-free cylinder roller bearing with retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109281934A true CN109281934A (en) | 2019-01-29 |
Family
ID=65173519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811435541.1A Pending CN109281934A (en) | 2018-11-28 | 2018-11-28 | A kind of double-row outer-ring-free cylinder roller bearing with retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109281934A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713726A (en) * | 2020-12-25 | 2021-04-27 | 中车永济电机有限公司 | Traction motor bearing transportation protection tool with shaft extension |
| CN112855759A (en) * | 2021-02-08 | 2021-05-28 | 常州克劳诺斯特种轴承制造有限公司 | Outer-ring-free bearing, planetary reduction mechanism, and planetary gear mounting method |
| CN114361833A (en) * | 2021-12-08 | 2022-04-15 | 北京天玛智控科技股份有限公司 | Pin connecting device |
-
2018
- 2018-11-28 CN CN201811435541.1A patent/CN109281934A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713726A (en) * | 2020-12-25 | 2021-04-27 | 中车永济电机有限公司 | Traction motor bearing transportation protection tool with shaft extension |
| CN112713726B (en) * | 2020-12-25 | 2022-11-29 | 中车永济电机有限公司 | Traction motor bearing transportation protection tool with shaft extension |
| CN112855759A (en) * | 2021-02-08 | 2021-05-28 | 常州克劳诺斯特种轴承制造有限公司 | Outer-ring-free bearing, planetary reduction mechanism, and planetary gear mounting method |
| CN114361833A (en) * | 2021-12-08 | 2022-04-15 | 北京天玛智控科技股份有限公司 | Pin connecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190129 |
|
| WD01 | Invention patent application deemed withdrawn after publication |