CN117267263A - Shock-absorbing noise-reducing steel wire raceway bearing - Google Patents
Shock-absorbing noise-reducing steel wire raceway bearing Download PDFInfo
- Publication number
- CN117267263A CN117267263A CN202311384061.8A CN202311384061A CN117267263A CN 117267263 A CN117267263 A CN 117267263A CN 202311384061 A CN202311384061 A CN 202311384061A CN 117267263 A CN117267263 A CN 117267263A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- ring groove
- steel ball
- steel wire
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 166
- 239000010959 steel Substances 0.000 title claims abstract description 166
- 230000035939 shock Effects 0.000 claims 6
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a shock-absorbing and noise-reducing steel wire raceway bearing which comprises a bearing outer ring, a bearing inner ring, an upper inner steel wire, a lower inner steel wire, an upper outer steel wire, a lower outer steel wire, an upper steel ball retainer and a lower steel ball retainer, wherein the bearing outer ring is formed by splicing a lower outer ring and an upper outer ring, the lower outer steel wire is positioned in a lower outer ring groove, the upper outer steel wire is positioned in an upper outer ring groove, the upper inner steel wire is positioned in an upper inner ring groove, the lower inner steel wire is positioned in a lower inner ring groove, the upper steel ball retainer is positioned in an upper ring groove, the lower steel ball retainer is positioned in a lower ring groove, a plurality of ball holes are respectively formed in the upper steel ball retainer and the lower steel ball retainer, steel balls are respectively arranged in the ball holes, and the lower outer ring and the upper outer ring are fixedly connected through a plurality of bolts. The invention optimizes the structure of the steel wire raceway bearing and increases parts such as a gasket, a gasket and the like. The pad is used as a damping piece, and can absorb part of vibration energy during operation, so that noise in the operation process of the bearing is reduced, and the quietness of the bearing is improved.
Description
Technical Field
The invention belongs to the technical field of bearings, and particularly relates to a shock-absorbing and noise-reducing steel wire raceway bearing.
Background
In large CT slip rings and other devices, wire raceway bearings are required. The traditional wire raceway bearing is shown in fig. 1, and consists of an inner ring 401, an outer ring 402, an outer wire 403, a retainer 404, an inner wire 405 and a steel ball 406; the outer ring 402 is fixed with the outer steel wire 403, the inner ring 401 is fixed with the inner steel wire 405, the outer ring 402 and the frame are fixed and stationary, the inner ring 401 and the rotating member are connected and then rotate together, and the rotating operation is realized through the relative rolling of the middle steel ball 406. All parts of the traditional steel wire raceway bearing are in rigid contact, vibration and noise can be generated in the running process of the bearing, and particularly in the high-speed rotation process, the noise is more unavoidable. At present, many occasions have mute requirements on equipment operation, so that the existing steel wire raceway bearing needs to be improved, and noise generated during operation of the steel wire raceway bearing is reduced.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: the bearing outer ring is formed by splicing a lower outer ring and an upper outer ring, the upper outer ring is arranged above the lower outer ring, the inner side of the lower outer ring is provided with a lower outer ring groove, the lower outer steel wire is arranged in a lower outer ring groove, an upper outer ring groove is arranged on the inner side of the upper outer ring, the upper outer steel wire is arranged in an upper outer ring groove, an upper inner ring groove and a lower inner ring groove are arranged on the outer side of the bearing inner ring, the upper inner ring groove corresponds to the upper outer ring groove and is spliced to form an upper ring groove, the upper inner steel wire is arranged in an upper inner ring groove, the lower inner ring groove corresponds to the lower outer ring groove and is spliced to form a lower ring groove, the lower inner steel wire is arranged in the lower inner ring groove, the upper steel ball retainer is arranged in the upper ring groove, the lower steel ball retainer is arranged in the lower ring groove, a plurality of ball holes are respectively formed in the ball holes, the upper steel ball retainer and the lower steel ball retainer are respectively clamped between the upper steel ball and the lower steel ball retainer and the upper outer ring and the lower steel ball retainer and the outer ring respectively, and the upper steel ball retainer and the lower steel ball retainer are respectively fixed between the upper outer ring and the lower steel wire.
As the optimization of the technical scheme, the height of the upper outer steel wire is higher than that of the steel ball on the upper steel ball retainer, the height of the steel ball on the upper steel ball retainer is higher than that of the upper inner steel wire, the height of the lower outer steel wire is lower than that of the steel ball on the lower steel ball retainer, and the height of the steel ball on the lower steel ball retainer is lower than that of the lower inner steel wire.
As the optimization of the technical scheme, an upper outer liner is arranged in the upper outer ring groove, a lower outer liner is arranged in the lower outer ring groove, the upper outer steel wire is positioned between the upper outer liner and the steel balls on the upper steel ball retainer, and the lower outer steel wire is positioned between the lower outer liner and the steel balls on the lower steel ball retainer.
As the optimization of the technical scheme, arc-shaped contact surfaces are respectively arranged on the upper outer steel wire, the upper inner steel wire, the upper outer steel wire, the lower outer steel wire and the lower inner steel wire, and are respectively contacted with corresponding steel balls.
As the preferable choice of the technical proposal, the inner wall of the ball hole is provided with a spherical curved surface matched with the steel ball.
As the preferable mode of the technical scheme, a gasket is arranged between the lower outer ring and the upper outer ring.
As the optimization of the technical scheme, a plurality of mounting holes are respectively arranged on the bearing outer ring and the bearing inner ring.
The beneficial effects of the invention are as follows: the damping and noise-reducing steel wire raceway bearing provided by the invention has the advantages that the structure of the steel wire raceway bearing is optimally arranged, and parts such as a liner, a gasket and the like are added. The pad is used as a damping piece, and can absorb part of vibration energy during operation, so that noise in the operation process of the bearing is reduced, and the quietness of the bearing is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the upper and lower ball holders.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3, the shock-absorbing and noise-reducing steel wire raceway bearing comprises a bearing outer ring, a bearing inner ring 1, an upper inner steel wire 2, a lower inner steel wire 3, an upper outer steel wire 4, a lower outer steel wire 5, an upper steel ball retainer 6 and a lower steel ball retainer 7, wherein the bearing inner ring 1 is positioned in the bearing outer ring, the bearing outer ring is formed by splicing a lower outer ring 8 and an upper outer ring 9, the upper outer ring 9 is arranged above the lower outer ring 8, a lower outer ring groove 10 is arranged on the inner side of the lower outer ring 8, the lower outer steel wire 5 is positioned in the lower outer ring groove 10, an upper outer ring groove 11 is arranged on the inner side of the upper outer ring 9, the upper outer steel wire 4 is positioned in the upper outer ring groove 11, an upper inner ring groove 12 and a lower inner ring groove 13 are arranged on the outer side of the bearing inner ring 1, the upper inner ring groove 12 corresponds to the upper outer ring groove 11 and is spliced to form an upper ring groove, the upper inner steel wire 2 is positioned in the upper inner ring groove 12, the lower inner ring groove 13 corresponds to the lower outer ring groove 10 and is spliced to form a lower ring groove, the lower inner steel wire 3 is positioned in the lower inner ring groove 13, the upper steel ball retainer 6 is positioned in the upper ring groove, the lower steel ball retainer 7 is positioned in the lower ring groove, a plurality of ball holes 14 are respectively arranged on the upper steel ball retainer 6 and the lower steel ball retainer 7, steel balls 15 are respectively arranged in the ball holes 14, the steel balls 15 on the upper steel ball retainer 6 are respectively clamped between the upper inner steel wire 2 and the upper outer steel wire 4, the steel balls 15 on the lower steel ball retainer 7 are respectively clamped between the lower inner steel wire 3 and the lower outer steel wire 5, and the lower outer ring 8 and the upper outer ring 9 are fixedly connected through a plurality of bolts.
Further, the height of the upper outer steel wire 4 is higher than the height of the steel ball 15 on the upper steel ball retainer 6, the height of the steel ball 15 on the upper steel ball retainer 6 is higher than the height of the upper inner steel wire 2, the height of the lower outer steel wire 5 is lower than the height of the steel ball 15 on the lower steel ball retainer 7, and the height of the steel ball 15 on the lower steel ball retainer 7 is lower than the height of the lower inner steel wire 3. In the same cross section, the center of the upper outer steel wire 4, the center of the steel ball 15 on the upper steel ball retainer 6 and the center of the upper inner steel wire 2 are connected into an inclined line, and the inclined angle of the inclined line is 45 degrees. In the same cross section, the center of the lower outer steel wire 5, the center of the steel ball 15 on the lower steel ball retainer 6 and the center of the lower inner steel wire 3 are connected into an inclined line, and the inclined angle of the inclined line is 45 degrees. The bearing outer ring and the bearing inner ring 1 form 4-point contact, the bearing has a composite supporting function of radial and axial supporting, axial-radial clearance geometric dimension geometric proportion matching can be still maintained after long-time operation, and meanwhile, the structure is very compact, and the adjustment and maintenance are very convenient.
Further, an upper outer liner 16 is arranged in the upper outer ring groove 11, a lower outer liner 17 is arranged in the lower outer ring groove 10, the upper outer steel wire 4 is positioned between the upper outer liner 16 and the steel ball 15 on the upper steel ball retainer 6, and the lower outer steel wire 5 is positioned between the lower outer liner 17 and the steel ball 15 on the lower steel ball retainer 7. The upper outer liner 16 and the lower outer liner 17 are made of nitrile-butadiene rubber NBR, are in a circular shape, are respectively stuck in the upper outer ring groove 11 and the lower outer ring groove 10, are respectively provided with groove structures, and can be perfectly attached to the upper outer steel wire 4 or the lower outer steel wire 5. When the apparatus is operated at a low speed, the upper and lower outer gaskets 16 and 17 have excellent vibration absorbing and absorbing properties while receiving radial and axial loads and overturning moments, so that noise reduction can be performed.
Further, arc-shaped contact surfaces 18 are respectively arranged on the upper outer steel wire 4, the upper inner steel wire 2, the upper outer steel wire 5, the lower outer steel wire 5 and the lower inner steel wire 3, and the arc-shaped contact surfaces 18 are respectively contacted with the corresponding steel balls 15. So that the upper outer steel wire 4, the upper inner steel wire 2, the lower outer steel wire 5 and the lower inner steel wire 3 are respectively in point contact with the steel ball 15.
Further, the inner wall of the ball hole 14 has a curved surface 19 matching with the steel ball 15. The ball hole 14 provides a certain restraining effect on the steel ball 15 so that it can freely rotate in the ball hole 14 without being separated from the ball hole 14.
Further, a gasket 20 is disposed between the lower outer ring 8 and the upper outer ring 9. The bearing rolling bodies of the bearing are steel balls 15, the raceways are an upper inner steel wire 2, a lower inner steel wire 3, an upper outer steel wire 4 and a lower outer steel wire 5, the bearing can be preloaded during installation, the pre-tightening adjustment is realized mainly by adjusting the thickness of a gasket 20 to control the deformation of an upper outer liner 16 and a lower outer liner 17, and the pre-tightening can avoid bearing vibration and unloading phenomena caused by the change of external force, so that higher rotation precision is obtained. Meanwhile, due to the close-packed distribution of the steel balls 15, the bearing has a high error homogenization effect, and due to the large radial size of the bearing, the bearing also has a strong anti-overturning moment capacity. The gasket 20 is mainly used for adjusting internal clearance of the bearing, and is matched with proper bolt pretightening force to adjust starting moment of the bearing within a certain value, so that the bearing achieves a good contact state, and whether the gasket 20 is added or not and the thickness of the gasket 20 are determined according to actual debugging conditions.
Further, a plurality of mounting holes 21 are respectively arranged on the bearing outer ring and the bearing inner ring 1. The bearing outer ring is fixedly connected with a rack of the equipment through bolts inserted into the mounting holes 21, and the bearing inner ring 1 is fixedly connected with the rotating piece through bolts inserted into the mounting holes 21.
It should be noted that technical features such as … and the like related to the present application should be considered as the prior art, …, and specific structures, working principles, and control manners and spatial arrangements that may be related to the technical features should be selected conventionally in the art, and should not be considered as the point of the present application, which is not further specifically described in detail herein.
While the preferred embodiments of the present invention have been described in detail, it should be appreciated that numerous modifications and variations may be made in accordance with the principles of the present invention by those skilled in the art without undue burden, and thus, all technical solutions which may be obtained by logic analysis, reasoning or limited experimentation based on the principles of the present invention as defined by the claims are within the scope of protection as defined by the present invention.
Claims (7)
1. The bearing outer ring is formed by splicing a lower outer ring and an upper outer ring, the upper outer ring is arranged above the lower outer ring, a lower outer ring groove is arranged on the inner side of the lower outer ring, a plurality of ball holes are respectively formed in the lower outer ring groove, an upper outer ring groove is arranged on the inner side of the upper outer ring, the upper outer steel wire is arranged in the upper outer ring groove, an upper inner ring groove and a lower inner ring groove are respectively arranged on the outer side of the bearing inner ring, the upper inner ring groove corresponds to the upper outer ring groove and is spliced to form an upper ring groove, the upper inner steel wire is arranged in the upper inner ring groove, the lower inner ring groove corresponds to the lower outer ring groove and is spliced to form a lower ring groove, the lower inner steel wire is arranged in the lower inner ring groove, the upper steel ball retainer is arranged in the upper ring groove, the lower steel ball retainer is arranged in the lower ring groove, a plurality of ball holes are respectively formed in the ball holes, the upper steel ball retainer is respectively clamped between the upper steel ball and the lower steel ball retainer and the upper outer ring, and the lower steel ball retainer are respectively clamped between the upper steel ball and the upper outer ring and the lower steel ball retainer, and the upper steel ball retainer and the lower steel ball retainer are respectively.
2. The shock and noise reducing wire raceway bearing of claim 1, wherein the height of the upper outer wire is higher than the height of the steel balls on the upper steel ball holder, the height of the steel balls on the upper steel ball holder is higher than the height of the upper inner wire, the height of the lower outer wire is lower than the height of the steel balls on the lower steel ball holder, and the height of the steel balls on the lower steel ball holder is lower than the height of the lower inner wire.
3. The shock and noise reducing wire raceway bearing of claim 2, wherein an upper outer liner is provided in the upper outer ring groove, a lower outer liner is provided in the lower outer ring groove, the upper outer wire is located between the upper outer liner and the steel balls on the upper steel ball holder, and the lower outer wire is located between the lower outer liner and the steel balls on the lower steel ball holder.
4. A shock absorbing and noise reducing wire raceway bearing according to claim 3, in which the upper outer wire, the upper inner wire, the upper lower outer wire and the lower inner wire are respectively provided with arc-shaped contact surfaces which are respectively in contact with corresponding steel balls.
5. The shock absorbing and noise reducing wire raceway bearing of claim 4, wherein the inner wall of the ball hole has a spherical curved surface matching the steel ball.
6. The shock absorbing and noise reducing wire raceway bearing of claim 1, wherein a spacer is provided between the lower outer ring and the upper outer ring.
7. The shock and noise reducing wire raceway bearing of claim 1, wherein the bearing outer ring and the bearing inner ring are respectively provided with a plurality of mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384061.8A CN117267263A (en) | 2023-10-24 | 2023-10-24 | Shock-absorbing noise-reducing steel wire raceway bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311384061.8A CN117267263A (en) | 2023-10-24 | 2023-10-24 | Shock-absorbing noise-reducing steel wire raceway bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117267263A true CN117267263A (en) | 2023-12-22 |
Family
ID=89206263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311384061.8A Pending CN117267263A (en) | 2023-10-24 | 2023-10-24 | Shock-absorbing noise-reducing steel wire raceway bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117267263A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108658A1 (en) * | 1981-03-07 | 1982-09-23 | Industriewerk Schaeffler Ohg, 8522 Herzogenaurach | Rolling contact bearing |
| DE10327641A1 (en) * | 2003-06-20 | 2005-01-20 | Franke & Heydrich Kg | Segmented bearing for carriage mounted on curved guide rail comprises two rows of superimposed ball bearings mounted in raceways attached to either carriage or rail, rows acting as angular contact ball bearings |
| US20070116394A1 (en) * | 2005-11-22 | 2007-05-24 | Thyssenkrupp - Rotek, Inc. | Slewing ring having improved inner race construction |
| CN101087964A (en) * | 2005-01-05 | 2007-12-12 | 罗兹埃德公司 | Method for the production of particularly noise dampened roller bearings for high-speed applications and associated roller bearings |
| CN201547128U (en) * | 2009-12-04 | 2010-08-11 | 徐州罗特艾德回转支承有限公司 | Biserial steel-wire raceway ball-type pivoting support |
| CN102230563A (en) * | 2011-04-08 | 2011-11-02 | 北京航空航天大学 | Light-weight three-axis inertia stable platform direction supporting structure |
| CN102364135A (en) * | 2011-10-25 | 2012-02-29 | 洛阳Lyc轴承有限公司 | Spindle bearing of CT (Computed Tomography) machine |
| CN206754170U (en) * | 2017-04-24 | 2017-12-15 | 洛阳隆达轴承有限公司 | A kind of double wire roller pivoting support |
| CN214196963U (en) * | 2021-01-13 | 2021-09-14 | 马鞍山方圆精密机械有限公司 | Double-row steel wire raceway ball type slewing bearing |
| CN217977029U (en) * | 2022-03-17 | 2022-12-06 | 浙江辛子精工机械有限公司 | Novel combined steel wire raceway CT machine bearing |
-
2023
- 2023-10-24 CN CN202311384061.8A patent/CN117267263A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3108658A1 (en) * | 1981-03-07 | 1982-09-23 | Industriewerk Schaeffler Ohg, 8522 Herzogenaurach | Rolling contact bearing |
| DE10327641A1 (en) * | 2003-06-20 | 2005-01-20 | Franke & Heydrich Kg | Segmented bearing for carriage mounted on curved guide rail comprises two rows of superimposed ball bearings mounted in raceways attached to either carriage or rail, rows acting as angular contact ball bearings |
| CN101087964A (en) * | 2005-01-05 | 2007-12-12 | 罗兹埃德公司 | Method for the production of particularly noise dampened roller bearings for high-speed applications and associated roller bearings |
| US20070116394A1 (en) * | 2005-11-22 | 2007-05-24 | Thyssenkrupp - Rotek, Inc. | Slewing ring having improved inner race construction |
| CN201547128U (en) * | 2009-12-04 | 2010-08-11 | 徐州罗特艾德回转支承有限公司 | Biserial steel-wire raceway ball-type pivoting support |
| CN102230563A (en) * | 2011-04-08 | 2011-11-02 | 北京航空航天大学 | Light-weight three-axis inertia stable platform direction supporting structure |
| CN102364135A (en) * | 2011-10-25 | 2012-02-29 | 洛阳Lyc轴承有限公司 | Spindle bearing of CT (Computed Tomography) machine |
| CN206754170U (en) * | 2017-04-24 | 2017-12-15 | 洛阳隆达轴承有限公司 | A kind of double wire roller pivoting support |
| CN214196963U (en) * | 2021-01-13 | 2021-09-14 | 马鞍山方圆精密机械有限公司 | Double-row steel wire raceway ball type slewing bearing |
| CN217977029U (en) * | 2022-03-17 | 2022-12-06 | 浙江辛子精工机械有限公司 | Novel combined steel wire raceway CT machine bearing |
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