CN110905913B - Abnormal shape full dress four-point contact ball slewing bearing - Google Patents
Abnormal shape full dress four-point contact ball slewing bearing Download PDFInfo
- Publication number
- CN110905913B CN110905913B CN201911393439.4A CN201911393439A CN110905913B CN 110905913 B CN110905913 B CN 110905913B CN 201911393439 A CN201911393439 A CN 201911393439A CN 110905913 B CN110905913 B CN 110905913B
- Authority
- CN
- China
- Prior art keywords
- inner ring
- outer ring
- installation positioning
- bearing
- groove
- 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.)
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Links
- 230000002159 abnormal effect Effects 0.000 title description 2
- 238000009434 installation Methods 0.000 claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
-
- 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
- F16C2370/00—Apparatus relating to physics, e.g. instruments
-
- 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
- F16C2380/00—Electrical apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention belongs to the technical field of bearing equipment manufacturing, and relates to a turntable bearing for supporting a radar base for ground equipment, in particular to a lightweight full-load special-shaped four-point contact ball slewing bearing, which comprises an inner ring, an outer ring and steel balls; the steel ball is arranged between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves are circumferentially arranged on one side end face of the inner ring, a plurality of outer ring installation positioning grooves are circumferentially arranged on one side end face of the outer ring, and the directions of the end faces where the inner ring installation positioning grooves and the outer ring installation positioning grooves are located are opposite. The end face of the inner ring and the outer ring is designed into a butterfly-shaped structure, so that the installation and matching requirements of the radar host antenna are met while the weight of the bearing is reduced, the installation process is simplified, the structure of the bearing for connecting the radar host antenna is more precise and compact, and meanwhile, the effect of limiting and reliability is achieved.
Description
Technical Field
The invention belongs to the technical field of bearing equipment manufacturing, relates to a turntable bearing for supporting a radar base for ground equipment, and particularly relates to a lightweight full-load special-shaped four-point contact ball slewing bearing.
Background
The radar detection device for ground equipment is a very important component, and is very important in performance stability as a device for detecting the surrounding environment and positioning targets, so that the bearing used by the device is required to have very high precision, reliability and bearing capacity.
Disclosure of Invention
According to the prior art, the invention aims to provide the lightweight special-shaped full-complement four-point contact ball slewing bearing which can meet the requirements on precision, reliability and bearing capacity.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the special-shaped full-installed four-point contact ball slewing bearing comprises an inner ring, an outer ring and steel balls; the steel ball is arranged between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves are circumferentially arranged on one side end face of the inner ring, a plurality of outer ring installation positioning grooves are circumferentially arranged on one side end face of the outer ring, and the directions of the end faces where the inner ring installation positioning grooves and the outer ring installation positioning grooves are located are opposite.
Further, the inner ring installation positioning groove is arranged on one side, close to the outer diameter, of the end face of the inner ring.
Further, the outer ring installation positioning groove is arranged on one side, close to the inner diameter, of the outer ring end face.
Further, the end face of one side of the inner ring, which is not provided with an inner ring installation positioning groove, is provided with an inner ring inclined surface groove at one side close to the outer diameter, the inner ring inclined surface grooves are in one-to-one correspondence with the outer ring installation positioning grooves, and the inner ring inclined surface grooves are communicated with the corresponding outer ring installation positioning grooves; the outer ring is not provided with one side end face of the outer ring installation positioning groove, one side close to the outer diameter is provided with an outer ring inclined plane groove, the outer ring inclined plane grooves correspond to the inner ring installation positioning grooves one by one, and the outer ring inclined plane grooves are communicated with the corresponding inner ring installation positioning grooves.
Further, the height of the inclined surface groove is larger than that of the installation positioning groove.
Further, the inner ring is provided with a ball loading notch, the diameter of the ball loading notch is larger than that of the steel ball, and a ball blocking block matched with the ball loading notch is arranged in the ball loading notch.
Further, the outer diameter of the ball blocking block is provided with an annular sealing groove, and an annular sealing ring is arranged in the sealing groove.
Further, the ball blocking block and the inner ring are fixedly connected through a pin shaft.
Further, the end surfaces of the inner ring and the outer ring are provided with mounting threaded holes connected with an external mechanism, and the mounting threaded holes are axially arranged.
Further, the bearing is used for supporting the radar base, the installation positioning groove of the lower end face of the bearing is matched with the positioning convex block of the base, and the installation positioning groove of the upper end face of the bearing is matched with the positioning convex block of the antenna.
The beneficial effects of the invention are as follows: the end face of the inner ring and the outer ring is designed into a butterfly-shaped structure, so that the installation and matching requirements of the radar host antenna are met while the weight of the bearing is reduced, the installation process is simplified, the structure of the bearing for connecting the radar host antenna is more precise and compact, and meanwhile, the effect of limiting and reliability is achieved.
Drawings
FIG. 1 is a schematic view of a slewing bearing of the present invention;
FIG. 2 is a view in the direction A of an inner ring installation positioning groove;
FIG. 3 is a view in the B direction of the outer ring mounting and positioning groove;
in the figure: 1. the bearing comprises a bearing outer ring, 2, a bearing inner ring, 3, a steel ball, 4, a ball blocking block, 5, an annular sealing ring, 6, a pin shaft, 7, an installation threaded hole, 8, an inner ring installation positioning groove, 9, an inner ring inclined surface groove, 10, an outer ring installation positioning groove, 11, an outer ring inclined surface groove, 12, an outer diameter of the bearing inner ring, 13, a base positioning convex block, 14, an inner diameter of the bearing outer ring, 15 and an antenna positioning convex block.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.
Referring to fig. 1-3, the special-shaped full-installed four-point contact ball slewing bearing comprises an inner ring 2, an outer ring 1 and a steel ball 3; an inner raceway is arranged on the outer diameter of the inner ring 2, an outer raceway is arranged on the inner diameter of the outer ring 1, a steel ball 3 is held between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves 8 are circumferentially arranged on the lower end face of the inner ring 2, an inner ring inclined surface groove 9 is circumferentially arranged on the upper end face of the inner ring 2, and the inner ring installation positioning grooves 8 and the inner ring inclined surface groove 9 are arranged on one side, close to the outer diameter, of the inner ring end face; a plurality of outer ring installation positioning grooves 10 are formed in the upper end face of the outer ring 1 along the circumferential direction, outer ring inclined surface grooves 11 are formed in the lower end face of the outer ring 1 along the circumferential direction, the outer ring installation positioning grooves 10 and the outer ring inclined surface grooves 11 are formed in one side, close to the inner diameter, of the outer ring end face, the inner ring inclined surface grooves 9 are in one-to-one correspondence with the outer ring installation positioning grooves 10, and the inner ring inclined surface grooves 9 are communicated with the corresponding outer ring installation positioning grooves 10; the outer ring inclined surface grooves 11 are in one-to-one correspondence with the inner ring installation positioning grooves 8, and the outer ring inclined surface grooves 11 are communicated with the corresponding inner ring installation positioning grooves 8. The bearing is used for supporting a radar base, the inner ring installation positioning grooves 8 are in one-to-one fit with and connected with and fixed to positioning convex blocks of the base, the outer ring installation positioning grooves 10 are in one-to-one fit with and connected with and fixed to positioning convex blocks of an antenna, and the antenna rotates relative to the base.
Based on the technical scheme, the installation positioning groove is used for connecting and limiting the positioning convex blocks, the inclined plane groove is formed in the contact part of the installation positioning groove, so that friction between the positioning convex blocks and the rotating bearing ring can be avoided, and normal operation of the bearing is ensured.
Further, the height of the inclined surface groove is larger than that of the installation positioning groove. The end face of the positioning lug is ensured not to rub with the bearing ring.
Further, the inner ring 2 is provided with a ball loading notch, the diameter of the ball loading notch 2 is larger than that of the steel ball 3, and a ball blocking block 4 matched with the ball loading notch is arranged in the ball loading notch.
Further, the outer diameter of the ball blocking block 4 is provided with an annular sealing groove, and an annular sealing ring 5 is sealed in the sealing groove to prevent the grease from overflowing.
Further, the ball blocking block 4 and the inner ring 2 are fixedly connected through a pin shaft 6.
Further, the end surfaces of the inner ring and the outer ring are provided with mounting threaded holes connected with an external mechanism, and the mounting threaded holes are axially arranged.
The bearing structure of the invention adopts a light-weight and thin-wall design with 2-3mm inner and outer rings, so that the host machine has a more compact structure. The end face of the inner ring and the outer ring is designed into a butterfly-shaped structure, so that the installation and matching requirements of the radar host antenna are met while the weight of the bearing is reduced, the installation process is simplified, the structure of the bearing for connecting the radar host antenna is more precise and compact, and meanwhile, the effect of limiting and reliability is achieved.
The foregoing list is only the preferred embodiments of the present invention. Obviously, the invention is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present invention.
Claims (6)
1. The special-shaped full-installed four-point contact ball slewing bearing is characterized in that: comprises an inner ring, an outer ring and a steel ball; the steel ball is held between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves are circumferentially arranged on one side end face of the inner ring, a plurality of outer ring installation positioning grooves are circumferentially arranged on one side end face of the outer ring, and the directions of the end faces where the inner ring installation positioning grooves and the outer ring installation positioning grooves are located are opposite; the inner ring installation positioning groove is arranged on one side, close to the outer diameter, of the end face of the inner ring; the outer ring installation positioning groove is arranged on one side, close to the inner diameter, of the outer ring end face; the inner ring is not provided with one side end surface of the inner ring installation positioning groove, one side close to the outer diameter is provided with an inner ring inclined surface groove, the inner ring inclined surface grooves correspond to the outer ring installation positioning grooves one by one, and the inner ring inclined surface grooves are communicated with the corresponding outer ring installation positioning grooves; the outer ring is not provided with one side end surface of the outer ring installation positioning groove, one side close to the outer diameter is provided with an outer ring inclined surface groove, the outer ring inclined surface grooves correspond to the inner ring installation positioning grooves one by one, and the outer ring inclined surface groove is communicated with the corresponding inner ring installation positioning groove; and mounting threaded holes connected with an external mechanism are formed in the end faces of the inner ring and the outer ring, and the mounting threaded holes are axially formed.
2. The profiled full-complement four-point contact ball slewing support bearing of claim 1 wherein: the height of the outer ring inclined surface groove is larger than that of the inner ring installation positioning groove; the height of the inner ring inclined surface groove is larger than that of the outer ring installation positioning groove.
3. The profiled full-complement four-point contact ball slewing support bearing of claim 1 wherein: the inner ring is provided with a ball loading notch, the diameter of the ball loading notch is larger than that of the steel ball, and a ball blocking block matched with the ball loading notch is arranged in the ball loading notch.
4. A profiled full-complement four-point contact ball slewing support bearing as claimed in claim 3, wherein: the outer diameter of the ball blocking block is provided with an annular sealing groove, and an annular sealing ring is arranged in the sealing groove.
5. A profiled full-complement four-point contact ball slewing support bearing as claimed in claim 3, wherein: the ball blocking block and the inner ring are fixedly connected through a pin shaft.
6. The profiled full-face four-point contact ball slewing support bearing of any one of claims 1-5, wherein: the bearing is used for supporting the radar base, the installation positioning groove of the lower end face of the bearing is matched with the positioning convex block of the base, and the installation positioning groove of the upper end face of the bearing is matched with the positioning convex block of the antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393439.4A CN110905913B (en) | 2019-12-30 | 2019-12-30 | Abnormal shape full dress four-point contact ball slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393439.4A CN110905913B (en) | 2019-12-30 | 2019-12-30 | Abnormal shape full dress four-point contact ball slewing bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110905913A CN110905913A (en) | 2020-03-24 |
| CN110905913B true CN110905913B (en) | 2024-02-09 |
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ID=69813934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911393439.4A Active CN110905913B (en) | 2019-12-30 | 2019-12-30 | Abnormal shape full dress four-point contact ball slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110905913B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906113A (en) * | 1988-07-27 | 1990-03-06 | Quintette Coal Limited | Slew ring bearing |
| CN101699085A (en) * | 2009-11-04 | 2010-04-28 | 洛阳轴研科技股份有限公司 | Turntable bearing for large-size celestial observation device |
| CN202326701U (en) * | 2011-11-30 | 2012-07-11 | 瓦房店摩士瑞昌轴承制造有限公司 | Self-positioning outer-teeth four-point contact ball type slewing bearing |
| CN103133526A (en) * | 2011-11-30 | 2013-06-05 | 瓦房店摩士瑞昌轴承制造有限公司 | Step positioning four-point contact ball type slewing block bearing |
| JP2013148146A (en) * | 2012-01-19 | 2013-08-01 | Ntn Corp | Seal structure of turning bearing and turning bearing |
| CN204729466U (en) * | 2015-07-02 | 2015-10-28 | 宁波锴立精密轴承有限公司 | A kind of radar base bearing |
| CN205503770U (en) * | 2016-03-07 | 2016-08-24 | 洛阳轴研科技股份有限公司 | Block structure in turntable bearing dress ball hole |
| CN207921110U (en) * | 2017-12-12 | 2018-09-28 | 洛阳新能轴承制造有限公司 | The high rotating speed floating bearing of lightness |
| CN108680903A (en) * | 2018-04-10 | 2018-10-19 | 成都信息工程大学 | A kind of High Accuracy Radar |
| CN109322909A (en) * | 2018-11-30 | 2019-02-12 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Four point touching ball slewing bearing |
| CN211174992U (en) * | 2019-12-30 | 2020-08-04 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Special-shaped full-load four-point contact ball slewing support bearing |
-
2019
- 2019-12-30 CN CN201911393439.4A patent/CN110905913B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906113A (en) * | 1988-07-27 | 1990-03-06 | Quintette Coal Limited | Slew ring bearing |
| CN101699085A (en) * | 2009-11-04 | 2010-04-28 | 洛阳轴研科技股份有限公司 | Turntable bearing for large-size celestial observation device |
| CN202326701U (en) * | 2011-11-30 | 2012-07-11 | 瓦房店摩士瑞昌轴承制造有限公司 | Self-positioning outer-teeth four-point contact ball type slewing bearing |
| CN103133526A (en) * | 2011-11-30 | 2013-06-05 | 瓦房店摩士瑞昌轴承制造有限公司 | Step positioning four-point contact ball type slewing block bearing |
| JP2013148146A (en) * | 2012-01-19 | 2013-08-01 | Ntn Corp | Seal structure of turning bearing and turning bearing |
| CN204729466U (en) * | 2015-07-02 | 2015-10-28 | 宁波锴立精密轴承有限公司 | A kind of radar base bearing |
| CN205503770U (en) * | 2016-03-07 | 2016-08-24 | 洛阳轴研科技股份有限公司 | Block structure in turntable bearing dress ball hole |
| CN207921110U (en) * | 2017-12-12 | 2018-09-28 | 洛阳新能轴承制造有限公司 | The high rotating speed floating bearing of lightness |
| CN108680903A (en) * | 2018-04-10 | 2018-10-19 | 成都信息工程大学 | A kind of High Accuracy Radar |
| CN109322909A (en) * | 2018-11-30 | 2019-02-12 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Four point touching ball slewing bearing |
| CN211174992U (en) * | 2019-12-30 | 2020-08-04 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Special-shaped full-load four-point contact ball slewing support bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110905913A (en) | 2020-03-24 |
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