CN205064590U - Bearing retainer with wear to sell formula roller bearing - Google Patents
Bearing retainer with wear to sell formula roller bearing Download PDFInfo
- Publication number
- CN205064590U CN205064590U CN201520628129.7U CN201520628129U CN205064590U CN 205064590 U CN205064590 U CN 205064590U CN 201520628129 U CN201520628129 U CN 201520628129U CN 205064590 U CN205064590 U CN 205064590U
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- China
- Prior art keywords
- side circle
- bearing
- retainer
- fixed
- fastener rings
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a bearing retainer with wear to sell formula roller bearing, wherein bearing retainer includes first side circle, second side circle and connects a plurality of round pins axle of first side circle and second side circle, the round pin axle includes: fix the first end of first side circle, fix the second end and the connection of second side circle the work portion of first end and the second end, the first end is equipped with the absorption cell admittedly, the absorption cell is used for absorbing when round pin axle receives impact load to the impact energy of first side circle transmission. Among this technical scheme's the bearing retainer, the absorption cell can reduce from round pin axle transmission to first side circle and bearing retainer's impact load, and first side circle is difficult for the breaking occur, drops at hookup location with the round pin axle, life -span of improving bearing retainer and wearing to sell formula tapered roller bearing.
Description
Technical field
The utility model relates to technical field of bearings, particularly a kind of retainer and pin type roller bearing.
Background technique
Retainer, also known as bearing cage, refers to partly wrap up all or part of rolling element, and the bearing parts thereupon moved, in order to separation roller, usually also guide rolling element and hold it in bearing.Operationally, can be applied to retainer by rolling element and impact, this requires that retainer has suitable intensity to resist impact to bearing.
For pin type tapered roller bearing, show a row tapered roller 2 of pin type tapered roller bearing with reference to Fig. 1, Fig. 1 and wrap up the retainer 1 of this row tapered roller 2, retainer 1 comprises the first side circle 1a, the second side circle 1b and some bearing pin 1c.Each bearing pin 1c through a tapered roller 2 center hole 20 and be rigidly connected to the first side circle 1a and the second side circle 1b, wherein bearing pin 1c and the first side are enclosed 1a and are threaded connection by being welded to connect and enclosing 1b with the second side.
Pin type tapered roller bearing operationally can be subject to greater impact load, this impulsive load is applied to corresponding bearing pin 1c by tapered roller 2, owing to being rigidly connected, bearing pin 1c is by direct for impulsive load rigid of transmission to the first side circle 1a and the second side circle 1b, be easy to cause bearing pin 1c and side to enclose rupture at link position, come off, cause bearing damage.
Model utility content
The problem that the utility model solves is that in existing retainer, bearing pin and side are enclosed as being rigidly connected, and bearing pin is subject to the link position that impulsive load is easy to enclosing with side and ruptures, comes off when bearing working, cause bearing damage.
For solving the problem, the utility model provides a kind of retainer, comprises the first side circle, the second side circle and is connected multiple bearing pins that described first side is enclosed and the second side is enclosed; Described bearing pin comprises: be fixed on the first end of described first side circle, be fixed on the second end of described second side circle and connect the working part of described first end and the second end; Be fixed with absorption cell at described first end, described absorption cell is for absorbing the impact energy transmitted to described first side circle when described bearing pin is subject to impulsive load.
Alternatively, described absorption cell comprises: coaxially arrange and the first fastener rings, elastic ring and the second fastener rings that are fixedly set in from inside to outside together; Described first fastener rings is fixed on described first end, and described second fastener rings is fixed on described first side circle.
Alternatively, the Placement of described elastic ring respectively and between described first fastener rings and the second fastener rings is: bonding by Vulcanization.
Alternatively, the mode that described first fastener rings is fixed on described first end is: described first fastener rings and described first end are formed in one, or described first fastener rings is fixedly set in outside described first end.
Alternatively, the mode that described second fastener rings is fixed on described first side circle is: described first side circle is provided with the holding space holding described first end, and described second fastener rings is fixed in described holding space.
Alternatively, described first end is fixed with the mode of absorption cell and is: described absorption cell is be fixedly set in the elastic ring outside described first end; Described first end is fixed on described first side circle by described elastic ring.
Alternatively, the surface of described working part is formed with some projections spaced apart.
The utility model also provides a kind of pin type roller bearing, and this pin type roller bearing comprises: inner ring; Be sleeved on the outer ring outside described inner ring; A row roller between described inner ring and outer ring, each described roller has along rotating axial center hole; Described pin type roller bearing also comprises: above-mentioned arbitrary described retainer, and all bearing pin one_to_one corresponding are in all described rollers, and the working part of described bearing pin is contained in the center hole of corresponding described roller.
Alternatively, described center hole has hole wall, and in described working part in the surface and described hole wall of described hole wall, one of them is formed with some projections spaced apart.
Alternatively, described pin type roller bearing is: pin type tapered roller bearing or pin type roller bearing.
Compared with prior art, the technical solution of the utility model has the following advantages:
When bearing pin is subject to impulsive load, the impact energy that impulsive load produces consumes being absorbed by absorption cell in the first side circle transmittance process, impact energy reduces, the impulsive load being finally passed to the first side circle and retainer reduces, first side circle not easily ruptures at link position with bearing pin, comes off, and improves the life-span of retainer and pin type tapered roller bearing.
Accompanying drawing explanation
Fig. 1 is the pin type tapered roller bearing part sectioned view in axial direction of prior art;
Fig. 2 is the pin type roller bearing part sectioned view in axial direction of the utility model specific embodiment;
Fig. 3 is in the roller bearing of pin type shown in Fig. 2, the stereogram of the absorption cell in retainer;
Fig. 4 is the part sectioned view of retainer at assembling condition time delay axial direction of another variation of the present utility model, wherein this part section illustrate bearing pin, absorption cell and the first side circle between annexation.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail specific embodiment of the utility model below in conjunction with accompanying drawing.
With reference to Fig. 2, the present embodiment provides a kind of pin type roller bearing 10, comprises inner ring 11; Be sleeved on the outer ring 12 outside inner ring 11; A row roller 13 between inner ring 11 and outer ring 12, each roller has along rotating axial center hole 14; Retainer 15.
In conjunction with reference Fig. 3, retainer 15 comprises the first side circle 15a, the second side circle 15b and is connected multiple bearing pins 16 of the first side circle 15a and the second side circle 15b; Bearing pin 16 comprises: be fixed on the first end 161 of the first side circle 15a, be fixed on the second end 162 of the second side circle 15b and connect the working part 163 of first end 161 and the second end 162; Be fixed with absorption cell 17 at first end 161, absorption cell 17 is for absorbing the impact energy transmitted to the first side circle 15a when bearing pin 16 is subject to impulsive load.
Wherein, all bearing pin 16 one_to_one corresponding are in all rollers 13, and the working part 163 of bearing pin 16 is contained in the center hole 14 of corresponding roller 13, and roller 13 can rotate relative to bearing pin 16.The impulsive load that now pin type tapered roller bearing 10 is operationally subject to is passed to bearing pin 16 through roller 13, and impulsive load produces impact energy in transmittance process.Compared with prior art, impact energy consumes being absorbed by absorption cell 17 in the first side circle 15a transmittance process, impact energy reduces, the impulsive load being finally passed to the first side circle 15a and retainer 15 reduces, reduce the first side circle 15a and impulsive load of being subject at link position of bearing pin 16, both not easily rupture at link position, come off, promote the resistance to shock loads of retainer 15 and the ability of vibration damping, improve the life-span of retainer 15 and pin type tapered roller bearing 10.
Should be understood that, in the assembly process of pin type roller bearing 10, be that operation bearing pin 16 makes the second end 162 through being fixed on after the center hole 14 of roller 13 on second side circle 15b.Now, the second end 162 is fixed on the second side circle 15b, and its means of fixation can adopt more fastening Placement, as being threaded, to resist greater impact load.By contrast, under the second end 162 and the second side prerequisite of being fixedly connected with of circle 15b, bearing pin 16 position is fixed, and between first end 161 and the first side circle 15a, selectable means of fixation is just subject to some restrictions, cannot adopt and be threaded, be easily hit and rupture.Therefore, the first end 161 only at bearing pin 16 in the technical program arranges absorption cell 17.
With reference to Fig. 2 and Fig. 3, absorption cell 17 comprises: coaxially arrange and the first fastener rings 171, elastic ring 173 and the second fastener rings 172 that are fixedly set in from inside to outside together, wherein, be fixedly set in from inside to outside and refer to together: elastic ring 173 is sleeved on outside the first fastener rings 171, and the second fastener rings 172 is sleeved on outside elastic ring 173 again.The impulsive load that roller 13 is applied to bearing pin 16 is mainly radial load, this radial load transfer is to first end 161, first end 161 radially extrudes elastic ring 173 through the first fastener rings 171, elastic ring 173 is out of shape apparatus with shock absorbing, and the impulsive load being passed to the second fastener rings 172 and the first side circle 15a is reduced.Further, center hole 14 has hole wall 140, has gap between working part 163 and hole wall 140, and gap makes roller 13 there is the problem of radial-play, and cause bearing pin 16 and vibrate, now elastic ring 173 can absorb the energy that vibration produces, and plays damping property.The technical program efficiently solves the first side circle 15a and is subject to the problem that the impulsive load of radial direction is larger.
Except radial load, suffered by bearing pin 16, impulsive load also comprises thrust load and torsional load.When bearing working, roller 13 exists along rotating axial play, and impacts the first side circle 15a or the second side circle 15b, produces thrust load and vibration, causes the first side circle 15a and bearing pin 16 to have the relative movement trend of the length direction along bearing pin 16.Now, elastic ring 173 is squeezed distortion with energy-obsorbing and damping.Further, roller 13 when rotating around bearing pin 16 and the Contact of bearing pin 16 and produce friction, makes bearing pin 16 be subject to torsional load effect, has the trend that the running shaft around roller 13 reverses.Now, elastic ring 173 shear deformation and energy-obsorbing and damping.
Elastic ring 173 has the function of compressive deformation energy-absorbing, and elastic ring 173 is made up of elastomeric material, and elastomeric material stressedly deforms and after withdrawing from external force, can reply rapidly the material of its approximate original shape, such as rubber.In concrete scheme, can meet first end 161 and the first side circle 15a formed firm be rigidly connected and elastic ring 173 has the condition of the demand of good energy-absorbing effect time, the hardness of appropriate design elastic ring 173, if the hardness of elastic ring 173 is larger, be rigidly connected more firm, and hardness is less, energy-absorbing effect is better.
The Placement of elastic ring 173 respectively and between the first fastener rings 171 and the second fastener rings 172 is: bonding by Vulcanization.Particularly, first operate the first fastener rings 171 and be enclosed within the second fastener rings 172, form Injection Space between the two; Afterwards, molten elastomeric material injected in this Injection Space, molten elastomeric material and the first fastener rings 171 and the second fastener rings 172 adhere to, and are formed after cooling processing and closely bond.Now, elastic ring 173 can select vulcanized rubber.In addition, elastic ring 173 is respectively with also viscose glue can be used to carry out between the first fastener rings 171 and the second fastener rings 172 bonding.
Further, the first fastener rings 171 is fixed on first end 161, realizes absorption cell 17 and is connected to first end 161.Wherein, the mode that the first fastener rings 171 is fixed on first end 161 is: the first fastener rings 171 is fixedly set in outside first end 161, and the mode of fixing suit is that interference fit connects, or carries out welding to realize fixing after suit.Alternatively, can also be: the first fastener rings 171 is formed in one with first end 161, is formed in same technological process.
In conjunction with reference to Fig. 2 and Fig. 3, the second fastener rings 172, for being fixed on the first side circle 15a, realizing bearing pin 16 and encloses 15a with the first side and be connected.Wherein the second fastener rings 172 is fixed on the mode of the first side circle 15a and is: the first side circle 15a is provided with and holds the holding space 150 of first end 161, second fastener rings 172 is fixed in holding space 150, means of fixation is: the second fastener rings 172 defines interference fit and connects in holding space 150, also can weld to carry out fastening further.In addition, can also be: when absorption cell 17 is contained in holding space 150, directly weld.Now, with reference to Fig. 2, holding space 150 is through hole.As a kind of variation, can also be: holding space is designed to receiving groove that this receiving groove is opened in the first side circle vertically towards in the end face of the second side circle.
As a kind of variation, the mode that the second fastener rings is fixed on the first side circle can also be: do not arrange holding space, the corresponding end-faces directly making the second fastener rings and the first side enclose is welded to connect.
Alternatively, the mode being fixed with absorption cell 17' with reference to Fig. 4, first end 161' is: absorption cell 17' is fixedly set in the elastic ring outside first end 161'; First end 161' is fixed on the first side circle 15a' by elastic ring, and such as elastic ring forms bonding by Vulcanization with the inwall 151' of first end 161' and holding space 150' respectively.When the first side circle is not provided with holding space, it is bonding with the corresponding end-faces that the first side is enclosed that elastic ring can be set, such as bonding by Vulcanization.
Continue with reference to Fig. 2, in the bearing pin 16 of the present embodiment, the surface 164 of working part 163 is formed with some projections 165 spaced apart, center hole 14 has hole wall 140, surface 164 is towards hole wall 140, and when roller 13 rotates around working part 163, hole wall 140 abuts with protruding 165.In the prior art, roller its center hole hole wall and working part surface when rotating form linear contact lay, and sliding friction loss is between the two comparatively large, and greasy property is not good.Compared with prior art, the roller 13 of this programme forms point cantact when rotating with protruding 165 on the one hand, and this greatly can reduce the sliding friction loss between the surface 164 of hole wall 140 and working part 163; On the other hand, protruding 165 padded surface 164 and hole walls 140, make lubricant oil can be more prone to enter center hole 14 and form lubricant film on surface 164 with hole wall 140, promote the greasy property between surface 164 and hole wall 140, this improving product working life.
Its protrusions 165 can be designed to salient point, some salient points are formed on the surface 164 of working part 163, all salient points are formed comprehensively on surface 164 and are evenly arranged, and this can make the pressure ratio of roller 13 by bearing pin 16 within the whole cycle of rotating more balanced, and the working stability of roller 13 is high.As a kind of variation, projection 165 also can be designed to the annular protrusion of the running shaft around roller 13, and some annular protrusions are intervally arranged along the length direction of bearing pin 16, and now can realize protruding 165 equally with hole wall 140 is point cantact.Therefore, shape and the distribution of protruding 165 have multiple choices, can make appropriate design as required.
The present embodiment is formed protruding on working part surface, as a kind of variation, can also be: be formed with some projections spaced apart at the hole wall of center hole.Therefore, in embody rule occasion, in working part towards in the surface of the hole wall of center hole and the hole wall of center hole, can wherein one be formed with some projections spaced apart, another with projection abut.
With reference to Fig. 2, pin type roller bearing 10 be pin type tapered roller bearing, and roller 13 is tapered roller, and wherein to enclose the bottom enclosing 15b and tapered roller in 15a and the second side relative with the top of tapered roller relative in the first side.But this does not get rid of following scheme: the second side, circle place, side, be designed with absorption cell and first end encloses to define with the first side and is threaded at the second end of bearing pin 16.
This pin type roller bearing 10 can be single-row pin type tapered roller bearing, can also be biserial pin type tapered roller bearing, wherein correspondence often row roller be provided with a retainer 15, often the row roller pin that wears long is wrapped in retainer 15.In addition, pin type roller bearing can also be: pin type roller bearing.
Although the utility model discloses as above, the utility model is not defined in this.Any those skilled in the art, not departing from spirit and scope of the present utility model, all can make various changes or modifications, and therefore protection domain of the present utility model should be as the criterion with claim limited range.
Claims (10)
1. a retainer, comprises the first side circle, the second side circle and is connected multiple bearing pins that described first side is enclosed and the second side is enclosed;
Described bearing pin comprises: be fixed on the first end of described first side circle, be fixed on the second end of described second side circle and connect the working part of described first end and the second end; It is characterized in that,
Be fixed with absorption cell at described first end, described absorption cell is for absorbing the impact energy transmitted to described first side circle when described bearing pin is subject to impulsive load.
2. retainer as claimed in claim 1, it is characterized in that, described absorption cell comprises: coaxially arrange and the first fastener rings, elastic ring and the second fastener rings that are fixedly set in from inside to outside together;
Described first fastener rings is fixed on described first end, and described second fastener rings is fixed on described first side circle.
3. retainer as claimed in claim 2, it is characterized in that, the Placement of described elastic ring respectively and between described first fastener rings and the second fastener rings is: bonding by Vulcanization.
4. retainer as claimed in claim 2, it is characterized in that, the mode that described first fastener rings is fixed on described first end is: described first fastener rings and described first end are formed in one, or described first fastener rings is fixedly set in outside described first end.
5. retainer as claimed in claim 2, it is characterized in that, the mode that described second fastener rings is fixed on described first side circle is: described first side circle is provided with the holding space holding described first end, and described second fastener rings is fixed in described holding space.
6. retainer as claimed in claim 1, it is characterized in that, the mode that described first end is fixed with absorption cell is: described absorption cell is be fixedly set in the elastic ring outside described first end;
Described first end is fixed on described first side circle by described elastic ring.
7. retainer as claimed in claim 1, it is characterized in that, the surface of described working part is formed with some projections spaced apart.
8. a pin type roller bearing, comprising: inner ring;
Be sleeved on the outer ring outside described inner ring;
A row roller between described inner ring and outer ring, each described roller has along rotating axial center hole; It is characterized in that, described pin type roller bearing also comprises:
Retainer described in any one of claim 1 ~ 6, all bearing pin one_to_one corresponding are in all described rollers, and the working part of described bearing pin is contained in the center hole of corresponding described roller.
9. pin type roller bearing as claimed in claim 8, it is characterized in that, described center hole has hole wall, and in described working part in the surface and described hole wall of described hole wall, one of them is formed with some projections spaced apart.
10. pin type roller bearing as claimed in claim 8, it is characterized in that, described pin type roller bearing is: pin type tapered roller bearing or pin type roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628129.7U CN205064590U (en) | 2015-08-19 | 2015-08-19 | Bearing retainer with wear to sell formula roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628129.7U CN205064590U (en) | 2015-08-19 | 2015-08-19 | Bearing retainer with wear to sell formula roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064590U true CN205064590U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520628129.7U Expired - Fee Related CN205064590U (en) | 2015-08-19 | 2015-08-19 | Bearing retainer with wear to sell formula roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314032A (en) * | 2017-08-23 | 2017-11-03 | 淏祺教育科技（北京）有限公司 | Thrust bearing |
| CN108194511A (en) * | 2018-03-06 | 2018-06-22 | 洛阳新强联回转支承股份有限公司 | A kind of retainer of double-row conical bearing |
-
2015
- 2015-08-19 CN CN201520628129.7U patent/CN205064590U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314032A (en) * | 2017-08-23 | 2017-11-03 | 淏祺教育科技（北京）有限公司 | Thrust bearing |
| CN108194511A (en) * | 2018-03-06 | 2018-06-22 | 洛阳新强联回转支承股份有限公司 | A kind of retainer of double-row conical bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20180819 |