CN105134789B - A kind of self-lubricating turntable bearing and its end-play match grinding method - Google Patents
A kind of self-lubricating turntable bearing and its end-play match grinding method Download PDFInfo
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- CN105134789B CN105134789B CN201510506535.0A CN201510506535A CN105134789B CN 105134789 B CN105134789 B CN 105134789B CN 201510506535 A CN201510506535 A CN 201510506535A CN 105134789 B CN105134789 B CN 105134789B
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- inner ring
- top pressure
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- blowout patche
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Abstract
The present invention relates to a kind of self-lubricating turntable bearing and its end-play match grinding method, turntable bearing includes inner ring and outer ring, the outer peripheral face of inner ring is provided with inner side support face section, the inner peripheral surface of outer ring is provided with outside top pressure face section, blowout patche is installed with inner ring, blowout patche is arranged on the upside of Internal and external cycle and supported with the outer ring rotating and assembled, the bottom of blowout patche has the upper top pressure face for outer ring described in downward top pressure, the top of outer ring has the lower support face for blowout patche described in upward support, solid lubricant layer is provided between inner side support face section and outside top pressure face section between the upper top pressure face and lower support face, between be provided with described inner side support face section and the outside top pressure face section of solid lubricant layer and upper top pressure face passes through described solid lubricant layer support rotating with lower support face and coordinated.On the one hand roller can be saved, simplifies the structure of whole turntable bearing, on the other hand, can also be lubricated using solid lubricant layer, realize the self-lubricating of turntable bearing.
Description
Technical field
The present invention relates to a kind of self-lubricating turntable bearing and its end-play match grinding method.
Background technology
Turntable bearing is a kind of outer ring rotation, the slew gear of inner ring support, and it is widely used in the fields such as Machine Manufacture
In, play a part of revolving support.Existing turntable bearing such as YRT series bearing is formed with three row rollers, the axially rolling of two row
Son ensures stable axial carrying capacity, and a row radial roller ensures that bearing can bear radial load and tilting moment.It is but this normal
The structure of the turntable bearing seen is complex, difficulty of processing is big, and production cost is high, and rotating speed is low.
A kind of combined turntable axle is disclosed in the Chinese utility model patent that Authorization Notice No. is CN202176615U
Hold, it includes corresponding coaxially arranged outer ring, inner ring and blowout patche, and inner ring and outer ring pass through the radial ball between being arranged on Internal and external cycle
Rolling assembling together, is respectively equipped with corresponding with radial ball on the radially outer periphery face of the radially inner side face and inner ring of outer ring
Half-round race, blowout patche by the screw fixing assembling coaxial with inner ring together with, blowout patche is located at the upside of inner ring and outer ring,
Cylindrical roller is folded between the upside end face of outer ring and blowout patche, cylindrical roller is axially distributed along outer ring and prolonged along the radial direction of outer ring
Stretch, fixed via is additionally provided with outer ring.In use, being fixed outer ring by fixed via, inner ring and blowout patche are respectively with trend
Bulbus cordis and cylindrical roller rotate around turntable bearing axis together, and radial ball and cylindrical roller had not only revolved round the sun again oneself in rotary course
Turn.
In combinations thereof formula turntable bearing, outer ring, blowout patche and the cylindrical roller composition one being folded between outer ring and blowout patche
Individual cylindrical roller thrust bearing, and outer ring, inner ring and radial ball one radial ball bearing of composition being folded between Internal and external cycle, and
What several screws by being fastenedly connected inner ring and blowout patche formed a whole cylindrical roller thrust bearing and radial ball bearing
Combined turntable bearing, it can be applicable on rotary table or index dial.In this turntable bearing, due to the coaxial rotation in outer ring
It is sleeved on the outside of inner ring, there is the inner side support face section for contacting support radial ball in the vertical direction, phase on the outer peripheral face of inner ring
Answer, there is in the vertical direction the outside top pressure face section of contact top pressure radial ball downwards on the inner peripheral surface of outer ring, it is interior collateral
Support face section is coordinated by radial ball and outside-supporting face section rotational support, and because blowout patche is arranged in the upside of Internal and external cycle, blowout patche
Bottom is provided with the upper top pressure face of downward top pressure contact cylindrical roller, and outer ring top is provided with the lower support of upward support contact cylindrical roller
Top surface, the upper support face of outer ring are coordinated by the lower top pressure face rotational support of cylindrical roller and blowout patche.But this combined turntable
Bearing arrangement is needed to set radial ball between Internal and external cycle, it is also necessary to cylindrical roller, overall knot are set between blowout patche and outer ring
Structure is still complex, and difficulty of processing is big, and also needs to set lubrication system, maintenance cost height during operating.
The content of the invention
The present invention provides a kind of self-lubricating turntable bearing, with solve turntable bearing complicated integral structure of the prior art,
And with also needing to set lubrication system to cause the higher technical problem of maintenance cost in addition during operating；Meanwhile the present invention also carries
For a kind of end-play match grinding method of above-mentioned self-lubricating turntable bearing.
The technical scheme of self-lubricating turntable bearing provided by the present invention is：A kind of self-lubricating turntable bearing, including axial direction
Vertically extending inner ring and coaxial support rotating are sleeved on the outer ring on the outside of inner ring, and the outer peripheral face of inner ring, which is provided with, to be used
Inner side support face section in outer ring described in upward support, the inner peripheral surface of outer ring are provided with the outside for inner ring described in downward top pressure
Top pressure face section, coaxial removable fixing assembling has a blowout patche on inner ring, blowout patche be arranged on the upside of Internal and external cycle and with the outer ring
Rotational support is assembled, and the bottom of blowout patche has the upper top pressure face for outer ring described in downward top pressure, and the top of outer ring, which has, to be used for
The lower support face of blowout patche described in upward support, between the inner side support face section and outside top pressure face section and the upper top pressure face and
Solid lubricant layer is provided between lower support face, between be provided with described inner side support face section and the outside top pressure face of solid lubricant layer
Section and upper top pressure face are coordinated with lower support face by described solid lubricant layer support rotating.
The solid lubricant layer being provided between described inner side support face section and outside top pressure face section is lower solid lubricant layer, institute
It is the up-small and down-big frusto-conical face of taper identical to state inner side support face section and the outside top pressure face section.
Described lower solid lubricant layer by coating process plating by being located at the inner side support face section and/or outside top pressure face
Lower solid lubricant film in section is formed.
The solid lubricant layer being provided between described upper top pressure face and lower support face is upper solid lubricant layer, upper solid lubrication
Layer is formed by the upper solid lubricant film being located at by coating process plating on the upper top pressure face and/or lower support face.
Described upper top pressure face is provided with described upper solid lubricant film, and upper top pressure face is arranged in the lower surface of the blowout patche
On, there is the top splenium with the upper surface top pressure cooperation of the inner ring on the lower surface of blowout patche, pass through plated film work in the top splenium
Skill plating is provided with solid lubricant film.
The lower surface of described inner ring is concordant with the lower surface of the outer ring, and the upper surface of the inner ring is in the vertical direction
Higher than the upper surface of the outer ring.
Together with described inner ring with blowout patche is connected by screw the removable fixing assembling of structure, the screw connecting structure
Including the screw mounting hole and trip bolt of the corresponding insertion being arranged on the inner ring and blowout patche, the screw mounting hole on inner ring
For cascaded surface shoulder hole directed downwardly, the screw mounting hole on blowout patche is internal thread hole.
It is provided with unthreaded hole on described blowout patche between adjacent internal thread hole, the unthreaded hole and internal thread hole on blowout patche are along blowout patche
Circumferential uniform, the number of the unthreaded hole on blowout patche and the number sum of internal thread hole are equal to the number of the shoulder hole on inner ring, inner ring
On multiple shoulder holes in have with blowout patche unthreaded hole correspond insertion preparation shoulder hole.
The match grinding method provided by the present invention for being used to carry out the end-play of above-mentioned self-lubricating turntable bearing match grinding
Technical scheme be：By the inner ring of self-lubricating turntable bearing and outer ring trap, the upper surface of inner ring is higher than institute in the vertical direction
State the upper surface of outer ring, during match grinding, measure the height difference H between the upper surface of inner ring and the upper surface of outer ringDifference, according to setting in advance
The trap clearance Ga of fixed turntable bearing, to the upper surface of inner ring according to HDifference- Ga stock removal is ground.
The height of described measurement inner ring is H, measures the height distance between the upper surface of outer ring and the lower surface of outer ring
For Hw, described HDifference=H-Hw。
The beneficial effect of self-lubricating turntable bearing provided by the present invention is：Self-lubricating turntable bearing provided by the present invention
In, solid profit is provided between top pressure face and lower support face between interior side stay top surface section and outside top pressure face section and/or on described
Slip layer, also, between be provided with solid lubricant layer described inner side support face section and outside top pressure face section and upper top pressure face with
Support face is coordinated by described solid lubricant layer support rotating, so, on the one hand can be saved and is arranged on inner side support face section
Roller between the top pressure face section of outside between the upper top pressure face and lower support face, simplify the structure of whole turntable bearing,
On the other hand, the internal side stay top surface section of solid lubricant layer and outside top pressure face section and the upper top pressure face and lower support can also be utilized
Top surface is lubricated, and realizes the self-lubricating of turntable bearing, it is not necessary to is set lubrication system again in addition, can equally be simplified turntable axle
The structure held, reduce production and maintenance cost.
Further, upper solid lubricant layer, and inner side support are provided between interior side stay top surface section and outside top pressure face section
Face section and the outside top pressure face section are the up-small and down-big frusto-conical face of taper identical, are on the one hand easy to assemble, the opposing party
Face uses frusto-conical face can be with the support pressure between active balance Internal and external cycle.
Further, the removable fixing assembling that structure realizes blowout patche and inner ring is connected by screw, simple in construction, maintenance is torn open
Dress is more convenient.
Compared with installing the structure of roller additional between Internal and external cycle in the prior art, because self-lubricating provided by the present invention turns
Inner side support face section in platform bearing is directly coordinated with outside top pressure face section by solid lubricant layer support rotating, Internal and external cycle suit
When deflection in the vertical direction it is much smaller, so, can directly according to the upper surface of the upper surface of inner ring and outer ring it
Between height difference HDifferenceNeed to be ground the upper surface of inner ring to calculate with the trap clearance Ga of turntable bearing set in advance
Stock removal, ensure turntable bearing in Internal and external cycle match grinding precision.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of self-lubricating turntable bearing provided by the present invention；
Fig. 2 is outer ring and the structural representation of inner ring assembling of turntable bearing shown in Fig. 1.
Embodiment
As shown in Figure 1 and Figure 2, a kind of embodiment of self-lubricating turntable bearing, the turntable bearing in the embodiment are included axially
Vertically extending inner ring 1 and coaxial support rotating are sleeved on the outer ring 2 in the outside of inner ring 1, coaxial removable on inner ring 1
Fixing assembling have a blowout patche 3, blowout patche 3 is arranged on the upside of Internal and external cycle and assembled with the rotational support of outer ring 2.
In the present embodiment, the outer peripheral face of inner ring 1 is provided with the inner side support face section 11 for outer ring 2 described in upward support,
The inner peripheral surface of outer ring 2 is provided with the outside top pressure face section 21 for inner ring described in downward top pressure, also, in interior side stay top surface section 11
Lower solid lubricant layer 6 is provided between outside top pressure face section 21, inner side support face section 11 and outside provided with lower solid lubricant layer 6
Top pressure face section 21 is coordinated by the lower support rotating of solid lubricant layer 6.Also, inner side support face section 11 in the present embodiment and described
Outside top pressure face section 21 is the up-small and down-big frusto-conical face of taper identical.
Above-mentioned lower solid lubricant layer 6 by the plating of ion film plating technique by being located at inner side support face section and outside top pressure face section
On lower solid lubricant film formed.
Also, because the bottom of blowout patche 3 has the upper top pressure face 32 for outer ring 2 described in downward top pressure, the top of outer ring 2
It is provided with the lower support face 22 for blowout patche 3 described in upward support, between the upper top pressure face 32 and lower support face 22 upper solid
Body lubricating layer 5, between be provided with upper solid lubricant layer 5 upper top pressure face 32 supported with lower support face 22 by lower solid lubricant layer 5
It is rotatably assorted.
Likewise, above-mentioned upper solid lubricant layer by the plating of ion film plating technique by being located at the upper top pressure face and lower support
Upper solid lubricant film on face is formed.
In the present embodiment, the upper top pressure face 32 of blowout patche 3 is arranged on the lower surface of the blowout patche 3, the lower surface of blowout patche 3
It is upper that there is the top splenium that the upper surface top pressure with the inner ring coordinates, plated in the top splenium by ion film plating technique and be provided with solid
Lubricating film.
In the present embodiment, the lower surface of inner ring 1 is concordant with the lower surface of the outer ring 2, and the upper surface of the inner ring 1 is upper
Lower section is higher than the upper surface of the outer ring 2 upwards.During assembling, inner ring 1 and blowout patche 3 are connected by screw the removable fixed dress of structure
With together, the screw connecting structure include being arranged on the corresponding insertion on the inner ring 1 and blowout patche 3 screw mounting hole and
Trip bolt 4, the screw mounting hole on inner ring 1 are cascaded surface shoulder hole 12 directed downwardly, and the screw mounting hole on blowout patche 3 is interior spiral shell
Pit 33.In the present embodiment, unthreaded hole 31 is provided between adjacent internal thread hole 33 on blowout patche 3, the He of unthreaded hole 31 on blowout patche 3
Internal thread hole 33 is circumferentially uniform along blowout patche, and the number of the unthreaded hole 31 on blowout patche 3 and the number sum of internal thread hole 33 are equal to inner ring 1
On shoulder hole 12 number, there is the preparation that insertion is corresponded with unthreaded hole on blowout patche 3 in multiple shoulder holes 12 on inner ring 1
Shoulder hole.
Also, to ensure normal assembling, the internal diameter of blowout patche 3 is slightly larger than the internal diameter of inner ring 1, the internal thread hole 33 on blowout patche 3
Diameter it is identical with the diameter of the path section of the shoulder hole 12 on inner ring 1, and on the diameter of the unthreaded hole 31 on blowout patche 3 and inner ring 1
Shoulder hole 12 path section diameter it is identical.
Due to being assembled between inner ring 1 and outer ring 2 by the lower rotational support of solid lubricant layer 6, and between blowout patche 3 and outer ring 2
Assembled by the upper rotational support of solid lubricant layer 5, and be connected by screw structure by inner ring with blowout patche is removable is securely fitted in
Together, whole turntable bearing arrangement is simple, is easy to dismounting to safeguard.Simultaneously as the presence of solid lubricant film, it is possible to achieve turntable
Self-lubricating in bearing between inner ring and outer ring and between outer ring and blowout patche.
In the present embodiment, between interior side stay top surface section and outside top pressure face section and it is described on top pressure face and lower support face it
Between be respectively equipped with solid lubricant layer, also, inner side support face section and outside top pressure face section and upper top pressure face and lower support face are logical
Described solid lubricant layer support rotating is crossed to coordinate.In other embodiments, only can also be pushed up in interior side stay top surface section and outside
Solid lubricant layer is set between pressure surface section, now, cylindrical roller of the prior art can be used to rotate between outer ring and blowout patche
Support assembling.It is of course also possible to solid lubricant layer is provided between top pressure face and lower support face only on described, now, inner ring and
Radial ball of the prior art can be used to realize the support rotating suit of Internal and external cycle between outer ring.
In the present embodiment, inner side support face section and outside top pressure face section are the up-small and down-big frustum of a cone of taper identical
Face, the section on the above-below direction of frusto-conical face is in isosceles trapezoidal structure, in other embodiments, inner side support face section and outer
Side top pressure face section can also be ring-shaped periphery structure, and two sides in the section on the above-below direction of this ring-shaped periphery structure are in circle
Arc.
In the present embodiment, the solid lubricant film in the present embodiment is located in respective face by the plating of ion film plating technique, at it
In his embodiment, other coating process arrangement solid lubricant films can also be used to form solid lubricant layer.
In the present embodiment, upper solid lubricant film is arranged in top pressure face and lower support face, in other embodiments, upper solid
Body lubricating film can also be provided only on top pressure face or lower support face.Accordingly, lower solid lubrication can also only described inner side
In support face section or outside top pressure face section.
In the present embodiment, the lower surface of inner ring is concordant with the lower surface of outer ring, in other embodiments, the lower surface of inner ring
The lower surface that outer ring can also be refused is concordant.And the upper surface of inner ring is higher than the lower surface of outer ring, in other embodiments, also may be used
So that the lower surface of inner ring is less than the upper surface or concordant with the upper surface of outer ring of outer ring, at this point it is possible to adjust the knot of blowout patche
Structure meets the assembling with Internal and external cycle.
A kind of end-play of self-lubricating turntable bearing matches somebody with somebody the embodiment of mould method, and the match grinding method in the embodiment is pair
Son lubrication turntable bearing as shown in Figure 1 and Figure 2 carries out clearance match grinding, specifically by Internal and external cycle trap, measures the upper end of inner ring
Height difference H between face and the upper surface of outer ringDifference, according to the trap clearance Ga of turntable bearing set in advance, to the upper of inner ring
End face is according to HDifference- Ga stock removal is ground.The height for measuring inner ring is H, measures the upper surface of outer ring and the lower end of outer ring
Height distance between face is Hw, HDifference=H-Hw。
The lower surface that this match grinding method can not only be applied to inner ring is concordant with the lower surface of outer ring, can also apply
The lower surface of inner ring is not concordant with the lower surface of outer ring, in other embodiments, as long as the upper surface of inner ring is upper higher than outer ring
End face can is by measuring the height difference H between the upper surface of inner ring and the upper surface of outer ringDifference, being calculated needs to inner ring
Upper surface carries out the stock removal of grinding.
Claims (10)
1. a kind of self-lubricating turntable bearing, including in axially vertically extending inner ring and coaxial support rotating are sleeved on
The outer ring in outside is enclosed, the outer peripheral face of inner ring is provided with the inner side support face section for outer ring described in upward support, the inner circumferential of outer ring
Face is provided with the outside top pressure face section for inner ring described in downward top pressure, and coaxial removable fixing assembling has blowout patche on inner ring,
Blowout patche is arranged on the upside of Internal and external cycle and supported with the outer ring rotating and assembled, and the bottom of blowout patche, which has, to be used for described in downward top pressure
The upper top pressure face of outer ring, the top of outer ring have the lower support face for blowout patche described in upward support, it is characterised in that：In described
Solid lubricant layer, Zhi Jianshe are provided between side stay top surface section and outside top pressure face section between the upper top pressure face and lower support face
The described inner side support face section for having solid lubricant layer passes through described with outside top pressure face section and upper top pressure face with lower support face
Solid lubricant layer support rotating coordinates, and the self-lubricating turntable bearing carries out matching somebody with somebody for end-play using following match grinding method
Mill：The inner ring of self-lubricating turntable bearing and outer ring trap, the upper surface of inner ring is upper higher than the outer ring in the vertical direction
End face, during match grinding, measure the height difference H between the upper surface of inner ring and the upper surface of outer ringDifference, according to turntable axle set in advance
The trap clearance Ga held, to the upper surface of inner ring according to HDifference- Ga stock removal is ground.
2. self-lubricating turntable bearing according to claim 1, it is characterised in that：Described inner side support face section is pushed up with outside
The solid lubricant layer being provided between pressure surface section is lower solid lubricant layer, the inner side support face section and the outside top pressure face Duan Jun
For the frusto-conical face that taper identical is up-small and down-big.
3. self-lubricating turntable bearing according to claim 2, it is characterised in that：Described lower solid lubricant layer is by passing through plating
The lower solid lubricant film that membrane process plating is located in the inner side support face section and/or outside top pressure face section is formed.
4. the self-lubricating turntable bearing according to Claims 2 or 3, it is characterised in that：Described upper top pressure face and lower support
The solid lubricant layer being provided between face is upper solid lubricant layer, and upper solid lubricant layer by coating process plating by being located at the upper top
Upper solid lubricant film on pressure surface and/or lower support face is formed.
5. self-lubricating turntable bearing according to claim 4, it is characterised in that：Described upper top pressure face is provided with described
Upper solid lubricant film, upper top pressure face are arranged on the lower surface of the blowout patche, are had and the inner ring on the lower surface of blowout patche
The top splenium that upper surface top pressure coordinates, solid lubricant film is provided with by coating process plating in the top splenium.
6. self-lubricating turntable bearing according to claim 5, it is characterised in that：The lower surface of described inner ring with it is described outer
The lower surface of circle is concordant, and the upper surface of the inner ring is higher than the upper surface of the outer ring in the vertical direction.
7. the self-lubricating turntable bearing according to claim 1 or 2 or 3, it is characterised in that：Described inner ring and blowout patche passes through
Together, the screw connecting structure includes being arranged on the inner ring and blowout patche the removable fixing assembling of screw connecting structure
The screw mounting hole and trip bolt of corresponding insertion, the screw mounting hole on inner ring are cascaded surface shoulder hole directed downwardly, on blowout patche
Screw mounting hole be internal thread hole.
8. self-lubricating turntable bearing according to claim 7, it is characterised in that：In adjacent internal thread on described blowout patche
It is provided with unthreaded hole between hole, the unthreaded hole and internal thread hole on blowout patche are circumferentially uniform along blowout patche, the number of the unthreaded hole on blowout patche and interior spiral shell
The number sum of pit is equal to the number of the shoulder hole on inner ring, has in multiple shoulder holes on inner ring and unthreaded hole one on blowout patche
The preparation shoulder hole of one corresponding insertion.
9. a kind of match grinding method for being used to carry out the end-play of self-lubricating turntable bearing as claimed in claim 1 match grinding,
It is characterized in that：By the inner ring of self-lubricating turntable bearing and outer ring trap, the upper surface of inner ring is in the vertical direction higher than described
The upper surface of outer ring, during match grinding, measure the height difference H between the upper surface of inner ring and the upper surface of outer ringDifference, according to presetting
Turntable bearing trap clearance Ga, to the upper surface of inner ring according to HDifference- Ga stock removal is ground.
10. match grinding method according to claim 9, it is characterised in that：The height of described measurement inner ring is H, and measurement is outer
Height distance between the upper surface of circle and the lower surface of outer ring is Hw, described HDifference=H-Hw。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506535.0A CN105134789B (en) | 2015-08-18 | 2015-08-18 | A kind of self-lubricating turntable bearing and its end-play match grinding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510506535.0A CN105134789B (en) | 2015-08-18 | 2015-08-18 | A kind of self-lubricating turntable bearing and its end-play match grinding method |
Publications (2)
| Publication Number | Publication Date |
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| CN105134789A CN105134789A (en) | 2015-12-09 |
| CN105134789B true CN105134789B (en) | 2018-03-23 |
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| CN201510506535.0A Active CN105134789B (en) | 2015-08-18 | 2015-08-18 | A kind of self-lubricating turntable bearing and its end-play match grinding method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108627073A (en) * | 2018-02-09 | 2018-10-09 | 洛阳轴承研究所有限公司 | A kind of detection of YRT turntables bearing axial play and matching method |
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| JP2008111461A (en) * | 2006-10-30 | 2008-05-15 | Nsk Ltd | Roll bearing |
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|---|---|---|---|---|
| US6749340B1 (en) * | 1999-10-19 | 2004-06-15 | Seagate Technology Llc | Lubricant reservoir for gas bearing |
| CN201129358Y (en) * | 2007-12-14 | 2008-10-08 | 镇江飞亚轴承有限责任公司 | Centripetal thrust force combination bearing |
| CN201144957Y (en) * | 2007-12-20 | 2008-11-05 | 比亚迪股份有限公司 | Sliding thrust bearing |
| CN201277258Y (en) * | 2008-10-20 | 2009-07-22 | 郑州华龙机械工程有限公司 | Slide bearing for supporting flat rotation of large weight |
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|---|---|
| CN105134789A (en) | 2015-12-09 |
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Effective date of registration: 20180518 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |