CN209130053U - A kind of cylinder roller bearing retainer - Google Patents
A kind of cylinder roller bearing retainer Download PDFInfo
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- CN209130053U CN209130053U CN201821745454.1U CN201821745454U CN209130053U CN 209130053 U CN209130053 U CN 209130053U CN 201821745454 U CN201821745454 U CN 201821745454U CN 209130053 U CN209130053 U CN 209130053U
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- crossbeam
- roller
- bearing retainer
- wall
- reserve
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Abstract
The utility model provides a kind of cylinder roller bearing retainer, including two side rings and crossbeam, the crossbeam is distributed uniformly and circumferentially and connects to form bearing retainer by two side rings, the crossbeam forms the pocket hole for placing roller between any two, the crossbeam contact zone of direct and roller cylinder contact is provided on the crossbeam and for improving the crossbeam reserve of greasy property, the crossbeam contact zone is disposed with roller press fitting inclined-plane according to roller pressing direction, arc contact surface and flat contact surface, the end face contact zone of direct and roller end face contact is provided on the side ring and for improving the end face reserve of greasy property, the design structure of the utility model, friction can be effectively reduced, greatly improve greasy property, for the high revolving speed of bearing, low-temperature-rise operation creates necessary condition.
Description
Technical field
The utility model relates to technical field of bearings, in particular to a kind of cylinder roller bearing retainer.
Background technique
One-piece type solid cylindrical roller bearing retainer, there are mainly two types of structures at present, and A: retainer beam side wall is round
Cambered surface is face contact with roller cylindrical surface, and included roller anti-drop device, and roller anti-drop device mentioned here is also
The fore shaft being known as, friction area is big when this airframe bearing rotates, not easy heat radiation；B: retainer beam side wall is flat
Face is that line contacts with roller cylindrical surface, does not carry fore shaft, and this structure needs after roller is packed into retainer pocket hole to guarantor
It holds frame crossbeam and carries out sharp thing impact, deform its projected side wall, lock roller and do not fall, after retainer is by this impact, essence
Degree it is difficult to ensure that, and the sag of chain of roller also bad guarantee.
Utility model content
In order to overcome drawbacks described above, the utility model provides a kind of cylinder roller bearing retainer, can be greatly reduced
Temperature rise when bearing rotary greatly improves bearing revolving speed, while the good sag of chain for controlling roller again, pacifies bearing
It is more convenient to fill.
The technical solution of the utility model includes:
A kind of cylinder roller bearing retainer, including two side rings and crossbeam, the crossbeam are distributed uniformly and circumferentially
And connect to form bearing retainer by two side rings, the crossbeam forms the pocket hole for placing cylindrical roller, the cross between any two
Beam is beam side wall relative to the side in pocket hole, and the side ring is side ring inner wall, the beam side wall relative to the side in pocket hole
On be provided with directly and roller cylinder contact crossbeam contact zone and for improving the crossbeam reserve of greasy property, the cross
Beam contact zone is disposed with roller press fitting inclined-plane, arc contact surface and flat contact surface, bearing dress according to roller pressing direction
Timing, cylindrical roller are pressed into pocket hole along retainer radial direction from roller press fitting inclined-plane.
The crossbeam contact zone is the convex portion relative to beam side wall, and the crossbeam contact zone setting quantity is one section
Or multistage, the sum of the length of the crossbeam contact zone account for the 20%~80% of crossbeam length.
Roller press fitting inclined-plane is inclining for the plane formed relative to retainer axial line with the pocket hole roller axial line
Tapered plane, inclination angle is between 5 °~20 °.
The axis of the arc contact surface be in cylindrical roller revolution axle center circle on, and with retainer axis parallel,
Arc radius >=radius of roller of arc contact surface and≤radius of roller add the half in pocket hole and roller clearance.
The flat contact surface is parallel to the plane of roller axial line and retainer axial line composition in the pocket hole, with circular arc
Contact surface is tangent.
The crossbeam reserve is the lower concave plane relative to crossbeam contact zone, and setting quantity is one or more, described
The sum of the length of crossbeam reserve accounts for the 20%~80% of crossbeam length.
The end face contact zone of direct and roller end face contact is provided on the side ring inner wall and for improving lubricity
The end face reserve of energy.
The end face contact zone is the convex plane relative to side ring inner wall, positioned at the middle section of side ring inner wall circumferential direction, week
To 5%~60% that length is side ring inner wall circumferential lengths；End face reserve is the lower concave plane relative to end face contact zone, position
In the both ends of side ring inner wall circumferential direction, the sum of the circumferential lengths of end face reserve are the 40%~95% of side ring inner wall circumferential lengths.
Compared with prior art, the utility model has the beneficial effects that the setting of crossbeam flat contact surface, it is possible to reduce horizontal
The contact area of beam side wall and roller cylinder increases the output of lubricating oil, is conducive to lubricate and radiate；Arc contact surface is set
It sets, can effectively control the sag of chain of roller, while utilizing fluid in the case where not influencing the gap between roller and pocket hole
Dynamic pressure performance forms lubricating oil film, reduces the rigid contact of roller and crossbeam inner wall, reduces abrasion；Roller press fitting inclined-plane is set
It sets, pocket hole is smoothly pressed into convenient for roller, prevent plowing from roller cylinder.The setting of crossbeam reserve and end face reserve, reduces
The contact area of roller surface and retainer, increases lubricating effect.The design structure of the utility model can be effectively reduced and be rubbed
It wipes, greatly improves greasy property, create necessary condition for the high revolving speed of bearing, low-temperature-rise operation.The utility model is provided
Retainer, do not limited, can be fabricated using the multiple materials such as copper, aluminium, steel, nylon by material.
Detailed description of the invention
Fig. 1 is that cylinder roller bearing retainer structural schematic diagram is guided in the utility model；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is Fig. 2 middle cross beam partial enlargement structural representation；
Fig. 4 is that cylinder roller bearing retainer structural schematic diagram is guided outside the utility model；
Fig. 5 is the schematic cross-sectional view of Fig. 4；
Fig. 6 is Fig. 5 middle cross beam partial enlargement structural representation.
Figure label respectively indicates, 1- side ring, 2- crossbeam, 3- side ring inner wall, 4- pocket hole, 21- crossbeam contact zone, and 22- is horizontal
Beam reserve, the end face 31- reserve, the end face 32- contact zone, 211- roller are pressed inclined-plane, 212- arc contact surface, 213- plane
Contact surface.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 6 is please referred to, the utility model provides a kind of technical solution:
A kind of cylinder roller bearing retainer, including two side rings 1 and crossbeam 2, the crossbeam 2 along the circumferential direction uniformly divide
Two connections of side ring 1 are simultaneously formed bearing retainer by cloth, and the crossbeam 2 forms the pocket hole 4 for placing cylindrical roller, institute between any two
It is beam side wall that crossbeam 2, which is stated, relative to the side in pocket hole 4, and the side ring 1 is side ring inner wall 3 relative to the side in pocket hole 4, described
The crossbeam contact zone 21 of direct and roller cylinder contact is provided on beam side wall and for improving the storage of the crossbeam of greasy property
Oily area 22, the crossbeam contact zone 21 are disposed with roller press fitting inclined-plane 211, arc contact surface according to roller pressing direction
212 and flat contact surface 213, when bearing assembles, cylindrical roller is pressed into along retainer radial direction from roller press fitting inclined-plane 211
Into pocket hole 4.
The crossbeam contact zone 21 is the convex portion relative to beam side wall, and quantity, which is arranged, in the crossbeam contact zone 21 is
One or more snippets, the sum of the length of the crossbeam contact zone 21 accounts for the 20%~80% of 2 length of crossbeam.
Roller press fitting inclined-plane 211 is the plane relative to retainer axial line and pocket hole roller axial line composition
Clinoplain, inclination angle is between 5 °~20 °.
The axis of the arc contact surface 212 is on the revolution axle center circle of cylindrical roller, and flat with retainer axial line
Row, arc radius >=radius of roller of arc contact surface 212 and≤radius of roller add the half in pocket hole and roller clearance.
The flat contact surface 213 is parallel to the plane of roller axial line and retainer axial line composition in the pocket hole, with
Arc contact surface 212 is tangent.
The crossbeam reserve 22 is the lower concave plane relative to crossbeam contact zone 21, and setting quantity is one or more,
The sum of the length of the crossbeam reserve 22 accounts for the 20%~80% of 2 length of crossbeam.
The end face contact zone 32 of direct and roller end face contact is provided on the side ring inner wall 3 and for improving lubrication
The end face reserve 31 of performance.
The end face contact zone 32 is the convex plane relative to side ring inner wall 3, the middle section circumferential positioned at side ring inner wall 3,
Its circumferential lengths is the 5%~60% of 3 circumferential lengths of side ring inner wall；End face reserve 31 is relative under end face contact zone 32
Concave plane, the both ends circumferential positioned at side ring inner wall 3, the sum of the circumferential lengths of end face reserve 31 are 3 circumferential lengths of side ring inner wall
40%~95%.
The intersection position of the arc contact surface 212 and roller press fitting inclined-plane 211, is determined by retainer pocket hole fore shaft size
Fixed, retainer pocket hole fore shaft size is between the 95%~100% of roller diameter.
Three kinds of surfaces of crossbeam contact zone are along the arrangement position of retainer radial direction, and there are two types of situations: if A, retainer is adopted
With outer guidance mode, roller is pressed one end and the intersection of crossbeam inside diameter surface on inclined-plane, the other end and arc contact surface intersection, and justifies
The other end and flat contact surface of arc contact surface intersect, other end and crossbeam the external diameter surface intersection of flat contact surface, this
It when kind structure installation roller is pressed into the outer direction from retainer internal diameter direction；If B, retainer is using interior guidance side
Formula puts in order opposite with A kind structure, it may be assumed that roller is pressed one end and the intersection of crossbeam external diameter surface, the other end and the circular arc on inclined-plane
Contact surface intersection, and the other end of arc contact surface and flat contact surface intersection, the other end and crossbeam of flat contact surface
Inside diameter surface intersection, this structure when installing roller are pressed into from retainer outer diameter direction radially inward.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of cylinder roller bearing retainer, including two side rings (1) and crossbeam (2), it is characterised in that: the crossbeam (2)
It is distributed uniformly and circumferentially and two side ring (1) connections is formed into bearing retainer, the crossbeam (2) forms peace between any two
The pocket hole (4) of cylindrical roller is put, the crossbeam (2) is beam side wall relative to the side of pocket hole (4), and the side ring (1) is opposite
It is side ring inner wall (3) in the side of pocket hole (4), is provided on the beam side wall and is directly contacted with the crossbeam of roller cylinder contact
Area (21) and for improving the crossbeam reserve (22) of greasy property, the crossbeam contact zone (21) is according to roller pressing direction
It is disposed with roller press fitting inclined-plane (211), arc contact surface (212) and flat contact surface (213), when bearing assembles, cylinder
Roller is pressed into pocket hole (4) along retainer radial direction from roller press fitting inclined-plane (211).
2. a kind of cylinder roller bearing retainer according to claim 1, it is characterised in that: the crossbeam contact zone (21)
It is the convex portion relative to beam side wall, crossbeam contact zone (21) the setting quantity is one or more snippets, and the crossbeam connects
The sum of the length of touching area (21) accounts for the 20%~80% of crossbeam (2) length.
3. a kind of cylinder roller bearing retainer according to claim 1, it is characterised in that: the roller is pressed inclined-plane
(211) be relative to retainer axial line and the pocket hole roller axial line composition plane clinoplain, inclination angle 5 °~
Between 20 °.
4. a kind of cylinder roller bearing retainer according to claim 1, it is characterised in that: the arc contact surface
(212) axis be in cylindrical roller revolution axle center circle on, and with retainer axis parallel, arc contact surface (212)
Arc radius >=radius of roller and≤radius of roller add the half in pocket hole and roller clearance.
5. a kind of cylinder roller bearing retainer according to claim 1, it is characterised in that: the flat contact surface
(213) it is parallel to the plane of roller axial line and retainer axial line composition in the pocket hole, it is tangent with arc contact surface (212).
6. a kind of cylinder roller bearing retainer according to claim 1, it is characterised in that: the crossbeam reserve (22)
It is the lower concave plane relative to crossbeam contact zone (21), setting quantity is one or more, the length of the crossbeam reserve (22)
The sum of degree accounts for the 20%~80% of crossbeam (2) length.
7. a kind of cylinder roller bearing retainer according to claim 1, it is characterised in that: on the side ring inner wall (3)
It is provided with the end face contact zone (32) of direct and roller end face contact and for improving the end face reserve (31) of greasy property.
8. a kind of cylinder roller bearing retainer according to claim 7, it is characterised in that: the end face contact zone (32)
It is the convex plane relative to side ring inner wall (3), is located at the middle section of side ring inner wall (3) circumferential direction, circumferential lengths are side ring inner walls
(3) the 5%~60% of circumferential lengths；End face reserve (31) is the lower concave plane relative to end face contact zone (32), is located at side
The both ends of ring inner wall (3) circumferential direction, the sum of the circumferential lengths of end face reserve (31) be side ring inner wall (3) circumferential lengths 40%~
95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821745454.1U CN209130053U (en) | 2018-10-25 | 2018-10-25 | A kind of cylinder roller bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821745454.1U CN209130053U (en) | 2018-10-25 | 2018-10-25 | A kind of cylinder roller bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209130053U true CN209130053U (en) | 2019-07-19 |
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ID=67232750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821745454.1U Active CN209130053U (en) | 2018-10-25 | 2018-10-25 | A kind of cylinder roller bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209130053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263679A (en) * | 2022-01-26 | 2022-04-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Cylindrical roller bearing retainer |
-
2018
- 2018-10-25 CN CN201821745454.1U patent/CN209130053U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263679A (en) * | 2022-01-26 | 2022-04-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Cylindrical roller bearing retainer |
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