CN207454545U - A kind of taper roller is the double-deck bearing of combining structure - Google Patents
A kind of taper roller is the double-deck bearing of combining structure Download PDFInfo
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- CN207454545U CN207454545U CN201721500161.2U CN201721500161U CN207454545U CN 207454545 U CN207454545 U CN 207454545U CN 201721500161 U CN201721500161 U CN 201721500161U CN 207454545 U CN207454545 U CN 207454545U
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Abstract
A kind of taper roller is the double-deck bearing of combining structure, is related to a kind of double-deck taper roll bearing, by retainer A（6）By multiple spaced taper roller A（5）It is limited to middle ring outer wall（8）Annular protrusion A（7）With annular protrusion B（9）Between, by retainer B（14）By multiple spaced taper roller B（15）It is limited to interior ring outer wall（11）Annular protrusion D（13）With annular protrusion C（10）Between；The utility model passes through the three stage structure that is respectively set to connect by flexural pivot between three rolling elements by taper roller A and taper roller B, it realizes after a rolling element in a taper roller A or a taper roller B is worn, other two rolling elements can also work on, and realize the utility model steady and long-life purpose when being used in robot or host.
Description
【Technical field】
The utility model is related to a kind of double-deck taper roll bearings, are combining structure more particularly, to a kind of taper roller
Double-deck bearing.
【Background technology】
Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is the mechanical rotary body of support, is dropped
Coefficient of friction in its low motion process, and ensure its rotating accuracy；The hosts bearing such as lathe is mainly used for the main shaft of lathe, machine
The main shaft bearing of bed is the core that lathe is able to good operation, and the apolegamy of different bearings just determines the different load of machine tool chief axis
Ability, running speed, rigidity, Wen Sheng and service life, the especially influence to rigidity and Wen Sheng are more notable, so should basis
The requirement of lathe working characteristics reasonably configures main shaft bearing；Existing main shaft bearing is generally taper roll bearing, circular cone rolling
Sub- bearing is mainly used for bearing radial direction based on radial load and axial connected load, double-deck taper roll bearing can be in axis
The higher rotating speed of dynamic middle offer and fluency are forwarded, in use, taper roller is inside and outside bearing for taper roll bearing
It is rolled between circle, the both ends of taper roller are by retainer /V, since single taper roller individual is larger, so being rolled in circular cone
After one of taper roller abrasion deformation in sub- bearing, this taper roller rolling track when rolling can become different
Often, it is easy to the outer ring inner wall being in contact with it and interior ring outer wall be worn simultaneously, in turn result in the abrasion of other taper rollers, most
Cause entire taper roll bearing that can not use eventually.
【The content of the invention】
In order to overcome the shortcomings of in background technology, the utility model discloses the double-deck axis that a kind of taper roller is combining structure
It holds, passes through the three-stage knot for being respectively set to connect by flexural pivot between three rolling elements by taper roller A and taper roller B
Structure is realized after a rolling element in a taper roller A or a taper roller B is worn, other two rollings
Body can also work on, at the same reduce the rolling element that wears to the utility model outer ring inner wall, middle ring outer wall or in
The abrasion of inner wall, interior ring outer wall is enclosed, the annular groove A and annular groove B that inner wall and centre circle inner wall are set respectively in outer ring are embedding
After entering oil suction ring A and oil suction ring B, taper roller A and taper roller B is into machine when efficiently solving the utility model operation
The drawbacks of oil, is got rid of in portion, realizes the utility model steady and long-life purpose when being used in robot or host.
In order to realize the goal of the invention, the utility model adopts the following technical solution：
A kind of taper roller is the double-deck bearing of combining structure, including outer ring, taper roller A, retainer A, inner ring, holding
Frame B, taper roller B and centre circle, the outer ring inner wall of outer ring expand neck opposite side necking down for one side, and in outer ring, the expansion neck one side of inner wall is set
There is annular groove A, be embedded with oil suction ring A in annular groove A, the middle ring outer wall of centre circle expands neck opposite side necking down for one side, in
The expansion neck one side of ring outer wall is equipped with annular protrusion A, annular protrusion B is equipped in the necking down one side of middle ring outer wall, in the centre circle of centre circle
Wall expands neck opposite side necking down for one side, is equipped with annular groove B in the expansion neck one side of centre circle inner wall, suction is embedded in annular groove B
Oil ring B, the interior ring outer wall of inner ring expand neck opposite side necking down for one side, and annular protrusion D is equipped in the expansion neck one side of interior ring outer wall,
The necking down one side of interior ring outer wall is equipped with annular protrusion C, and taper roller A includes rolling element A, rolling element B and rolling element C, rolling element A
Expand neck opposite side necking down for one side, cone A be equipped in one side end of expansion neck of rolling element A, bulb A is equipped in the end of cone A,
Rolling element B expands neck opposite side necking down for one side, ball-and-socket A is equipped in the centre of one side end of rolling element B necking downs, in rolling element
The centre that B expands one side end of neck is equipped with ball-and-socket B, and rolling element C expands neck opposite side necking down for one side, in the necking down of rolling element C
One side end is equipped with cone B, and bulb B is equipped in the end of cone B, and bulb A is placed in ball-and-socket A and is connected with ball-and-socket A flexural pivots, ball
Head B is placed in ball-and-socket B and is connected with ball-and-socket B flexural pivots, and taper roller B is the structure identical with taper roller A, will by retainer A
The expansion neck one side that multiple spaced taper roller A are located at middle ring outer wall according to the expansion neck one side of multiple taper roller A limits
Between the annular protrusion A of middle ring outer wall and annular protrusion B, by retainer B by multiple spaced taper roller B according to more
The expansion neck one side that the expansion neck one side of a taper roller B is located at interior ring outer wall is limited to the annular protrusion D and convex annular of interior ring outer wall
Between playing C, the outer ring inner wall sleeve of outer ring is in the outside of multiple spaced taper roller A, and the centre circle inner wall sleeve of centre circle is more
The outside of a spaced taper roller B.
The taper roller is the double-deck bearing of combining structure, and the outer ring outer wall of outer ring is ring plain structure.
The taper roller is the double-deck bearing of combining structure, between the outer ring outer wall of outer ring and the both ends of the surface of outer ring
It is arranged to chamfered transition.
The taper roller is the double-deck bearing of combining structure, and the inner ring inner wall of inner ring is ring plain structure.
The taper roller is the double-deck bearing of combining structure, between the inner ring inner wall of inner ring and the both ends of the surface of inner ring
It is arranged to chamfered transition.
By adopting the above-described technical solution, the utility model has the advantages that：
Taper roller described in the utility model is the double-deck bearing of combining structure, by the way that taper roller A and circular cone are rolled
Sub- B is respectively set to the three stage structure connected between three rolling elements by flexural pivot, realizes as a taper roller A or one
After a rolling element in a taper roller B is worn, other two rolling elements can also work on, while reduce hair
The rolling element of raw abrasion is to the utility model outer ring inner wall, middle ring outer wall or centre circle inner wall, the abrasion of interior ring outer wall, in outer ring
The annular groove A and annular groove B that wall and centre circle inner wall are set respectively are efficiently solved after embedded oil suction ring A and oil suction ring B
During the utility model operation taper roller A and taper roller B to machine inside get rid of oil the drawbacks of, realize the utility model and exist
Steady and the long-life purpose when being used in robot or host；The utility model unique, highly practical, energy saving drop novel in design
Consumption, there is very big market popularization value.
【Description of the drawings】
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the outer ring structure schematic diagram of the utility model；
Fig. 3 is the centre circle structure diagram of the utility model；
Fig. 4 is the inner ring structure schematic diagram of the utility model；
Fig. 5 is the taper roller assembling structure schematic diagram of the utility model；
Fig. 6 is the taper roller half sectional view of the utility model.
In figure：1st, outer ring；2nd, annular groove A；3rd, oil suction ring A；4th, outer ring inner wall；5th, taper roller A；6th, retainer A；7、
Annular protrusion A；8th, middle ring outer wall；9th, annular protrusion B；10th, annular protrusion C；11st, interior ring outer wall；12nd, inner ring；13rd, annular protrusion
D；14th, retainer B；15th, taper roller B；16th, centre circle inner wall；17th, oil suction ring B；18th, annular groove B；19th, centre circle；20th, roll
Body A；21st, cone A；22nd, bulb A；23rd, ball-and-socket A；24th, rolling element B；25th, bulb B；26th, cone B；27th, rolling element C；28th, ball
Nest B.
【Specific embodiment】
The utility model can be explained in more detail by the following examples, the utility model is not limited to following
Embodiment, open the purpose of this utility model are intended to all changes and improvements in protection the scope of the utility model；
Taper roller with reference to described in attached drawing 1~6 is the double-deck bearing of combining structure, including outer ring 1, taper roller A5,
Retainer A6, inner ring 12, retainer B14, taper roller B15 and centre circle 19, the outer ring inner wall 4 of outer ring 1 are another for one side expansion neck
Side necking down, in outer ring, the expansion neck one side of inner wall 4 is equipped with annular groove A2, and oil suction ring A3 is embedded in annular groove A2, outer ring 1
Outer ring outer wall is ring plain structure, and chamfered transition is arranged between the outer ring outer wall of outer ring 1 and the both ends of the surface of outer ring 1, in
The middle ring outer wall 8 of circle 19 expands neck opposite side necking down for one side, annular protrusion A7 is equipped in the expansion neck one side of middle ring outer wall 8, in
The necking down one side of ring outer wall 8 is equipped with annular protrusion B9, and the centre circle inner wall 16 of centre circle 19 expands neck opposite side necking down for one side, in centre circle
The expansion neck one side of inner wall 16 is equipped with annular groove B18, and oil suction ring B17, the interior ring outer wall of inner ring 12 are embedded in annular groove B18
11 expand neck opposite side necking down for one side, annular protrusion D13 are equipped in the expansion neck one side of interior ring outer wall 11, in the contracting of interior ring outer wall 11
Neck one side is equipped with annular protrusion C10, and the inner ring inner wall of inner ring 12 is ring plain structure, in the inner ring inner wall and inner ring of inner ring 12
Chamfered transition is arranged between 12 both ends of the surface, taper roller A5 includes rolling element A20, rolling element B24 and rolling element C27, rolling
Kinetoplast A20 expands neck opposite side necking down for one side, cone A21 is equipped in one side end of expansion neck of rolling element A20, cone A21's
End is equipped with bulb A22, and rolling element B24 expands neck opposite side necking down, the central part in one side end of rolling element B24 necking downs for one side
Position is equipped with ball-and-socket A23, and the centre for expanding one side end of neck in rolling element B24 is equipped with ball-and-socket B28, and rolling element C27 expands for one side
Neck opposite side necking down, cone B26 is equipped in one side end of necking down of rolling element C27, and bulb B25 is equipped in the end of cone B26,
Bulb A22 is placed in ball-and-socket A23 and is connected with ball-and-socket A23 flexural pivots, and bulb B25 is placed in ball-and-socket B28 and connects with ball-and-socket B28 flexural pivots
It connects, taper roller B15 is the structure identical with taper roller A5, is pressed multiple spaced taper roller A5 by retainer A6
It is located at the expansion neck one side of middle ring outer wall 8 according to the expansion neck one side of multiple taper roller A5 and is limited to the annular protrusion A7 of middle ring outer wall 8
Between annular protrusion B9, by retainer B14 by multiple spaced taper roller B15 according to multiple taper roller B15's
Expand neck one side be located at interior ring outer wall 11 expansion neck one side be limited to interior ring outer wall 11 annular protrusion D13 and annular protrusion C10 it
Between, the outer ring inner wall 4 of outer ring 1 is sleeved on the outside of multiple spaced taper roller A5, and the centre circle inner wall 16 of centre circle 19 is sleeved on
The outside of multiple spaced taper roller B15.
Implement the double-deck bearing that taper roller described in the utility model is combining structure, in use, in inner ring 12
A small amount of bearing oil is smeared on ring outer wall 11, retainer B14 is placed on inner ring 12, is then equipped on retainer B14
Matched taper roller B15 is respectively put into multiple taper roller slots, puts on centre circle 19, in the middle ring outer wall of centre circle 19
A small amount of bearing oil is smeared on 8, retainer A6 is placed on centre circle 19, the multiple circular cones rolling being then equipped on retainer A6
Matched taper roller A5 is respectively put into pilot trench, puts on outer ring 1；The utility model is in high-speed cruising, it is necessary to hold
By from pressure axially and radially, taper roller A5 and taper roller B15 are respectively set to pass through between three rolling elements
The three stage structure of flexural pivot connection, when a rolling element in a taper roller A5 or a taper roller B15 is worn
Afterwards, other two rolling elements in taper roller A5 or taper roller B15 can also run well, the rolling element pair after abrasion
The outer ring inner wall 4, middle ring outer wall 8 or the centre circle inner wall 16 that are in contact with it, the damage of interior ring outer wall 11 are smaller, ensure that this practicality is new
The even running of type；In operation, the bearing oil smeared on interior ring outer wall 11 can be with taper roller B15 for the utility model
Rotation is attached on centre circle inner wall 16 and flowed along centre circle inner wall 16 to the expansion neck end of centre circle inner wall 16, and most bearing oil at last
It gets rid of to machine inside, it, can be effective in the annular groove B18 that the expansion neck end of centre circle inner wall 16 is set after embedded oil suction ring B17
Ground will be adsorbed along centre circle inner wall 16 to the bearing oil for expanding the flowing of neck end of centre circle inner wall 16, the axis smeared on middle ring outer wall 8
Holding oil can attach on outer ring inner wall 4 and along outer ring inner wall 4 with the rotation of taper roller A5 to the expansion neck end of outer ring inner wall 4
Flowing, and most bearing oil is got rid of to machine inside at last, in outer ring, the annular groove A2 for expanding the setting of neck end of inner wall 4 is in embedded oil suction
After ring A3, it will effectively can be adsorbed along outer ring inner wall 4 to the bearing oil for expanding the flowing of neck end of outer ring inner wall 4, avoid this
The drawbacks of utility model operationally gets rid of bearing oil to machine inside.
The non-detailed portion of the utility model is the prior art.
Claims (5)
1. a kind of taper roller is the double-deck bearing of combining structure, including outer ring（1）, taper roller A（5）, retainer A（6）, it is interior
Circle（12）, retainer B（14）, taper roller B（15）And centre circle（19）, it is characterized in that：Outer ring（1）Outer ring inner wall（4）For one
Neck opposite side necking down is expanded in side, in outer ring inner wall（4）Expansion neck one side be equipped with annular groove A（2）, in annular groove A（2）It is embedded with
Oil suction ring A（3）, centre circle（19）Middle ring outer wall（8）Expand neck opposite side necking down for one side, in middle ring outer wall（8）Expansion neck one side
Equipped with annular protrusion A（7）, in middle ring outer wall（8）Necking down one side be equipped with annular protrusion B（9）, centre circle（19）Centre circle inner wall
（16）Expand neck opposite side necking down for one side, in centre circle inner wall（16）Expansion neck one side be equipped with annular groove B（18）, in annular groove
B（18）It is embedded with oil suction ring B（17）, inner ring（12）Interior ring outer wall（11）Expand neck opposite side necking down for one side, in interior ring outer wall
（11）Expansion neck one side be equipped with annular protrusion D（13）, in interior ring outer wall（11）Necking down one side be equipped with annular protrusion C（10）, circle
Bore roller A（5）Including rolling element A（20）, rolling element B（24）With rolling element C（27）, rolling element A（20）It is another to expand neck for one side
Side necking down, in rolling element A（20）One side end of expansion neck be equipped with cone A（21）, in cone A（21）End be equipped with bulb A
（22）, rolling element B（24）Expand neck opposite side necking down for one side, in rolling element B（24）The centre of one side end of necking down is equipped with
Ball-and-socket A（23）, in rolling element B（24）The centre for expanding one side end of neck is equipped with ball-and-socket B（28）, rolling element C（27）For one side
Expand neck opposite side necking down, in rolling element C（27）One side end of necking down be equipped with cone B（26）, in cone B（26）End be equipped with
Bulb B（25）, bulb A（22）It is placed in ball-and-socket A（23）It is interior and with ball-and-socket A（23）Flexural pivot connects, bulb B（25）It is placed in ball-and-socket B
（28）It is interior and with ball-and-socket B（28）Flexural pivot connects, taper roller B（15）For with taper roller A（5）Identical structure, by retainer A
（6）By multiple spaced taper roller A（5）According to multiple taper roller A（5）Expansion neck one side be located at middle ring outer wall（8）
Expansion neck one side be limited to middle ring outer wall（8）Annular protrusion A（7）With annular protrusion B（9）Between, by retainer B（14）To be more
A spaced taper roller B（15）According to multiple taper roller B（15）Expansion neck one side be located at interior ring outer wall（11）Expansion
Neck one side is limited to interior ring outer wall（11）Annular protrusion D（13）With annular protrusion C（10）Between, outer ring（1）Outer ring inner wall
（4）It is sleeved on multiple spaced taper roller A（5）Outside, centre circle（19）Centre circle inner wall（16）It is sleeved on multiple interval rows
The taper roller B of row（15）Outside.
2. taper roller according to claim 1 is the double-deck bearing of combining structure, it is characterized in that：Outer ring（1）Outer ring
Outer wall is ring plain structure.
3. taper roller according to claim 2 is the double-deck bearing of combining structure, it is characterized in that：In outer ring（1）It is outer
Ring outer wall and outer ring（1）Both ends of the surface between be arranged to chamfered transition.
4. taper roller according to claim 1 is the double-deck bearing of combining structure, it is characterized in that：Inner ring（12）Inner ring
Inner wall is ring plain structure.
5. taper roller according to claim 4 is the double-deck bearing of combining structure, it is characterized in that：In inner ring（12）It is interior
Enclose inner wall and inner ring（12）Both ends of the surface between be arranged to chamfered transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500161.2U CN207454545U (en) | 2017-11-13 | 2017-11-13 | A kind of taper roller is the double-deck bearing of combining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500161.2U CN207454545U (en) | 2017-11-13 | 2017-11-13 | A kind of taper roller is the double-deck bearing of combining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454545U true CN207454545U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721500161.2U Active CN207454545U (en) | 2017-11-13 | 2017-11-13 | A kind of taper roller is the double-deck bearing of combining structure |
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| CN (1) | CN207454545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001095A (en) * | 2021-11-09 | 2022-02-01 | 华南理工大学 | Composite rolling bearing capable of supporting shaft to do planetary motion |
-
2017
- 2017-11-13 CN CN201721500161.2U patent/CN207454545U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001095A (en) * | 2021-11-09 | 2022-02-01 | 华南理工大学 | Composite rolling bearing capable of supporting shaft to do planetary motion |
| CN114001095B (en) * | 2021-11-09 | 2022-10-21 | 华南理工大学 | Composite rolling bearing capable of supporting shaft to do planetary motion |
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