CN110905913A - Special-shaped full-load four-point contact ball slewing support bearing - Google Patents
Special-shaped full-load four-point contact ball slewing support bearing Download PDFInfo
- Publication number
- CN110905913A CN110905913A CN201911393439.4A CN201911393439A CN110905913A CN 110905913 A CN110905913 A CN 110905913A CN 201911393439 A CN201911393439 A CN 201911393439A CN 110905913 A CN110905913 A CN 110905913A
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- China
- Prior art keywords
- inner ring
- outer ring
- installation positioning
- face
- special
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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
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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
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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
- F16C33/66—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
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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
- 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
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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
- 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 light-weight full-load special-shaped four-point contact ball slewing support bearing which comprises an inner ring, an outer ring and a steel ball; the outer diameter of the inner ring is provided with an inner raceway, the inner diameter of the outer ring is provided with an outer raceway, the steel ball is kept between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves are arranged on one side end face of the inner ring along the circumferential direction, a plurality of outer ring installation positioning grooves are arranged on one side end face of the outer ring along the circumferential direction, and the end face directions of the inner ring installation positioning grooves and the end face direction of the outer ring installation positioning grooves are. The end faces of the inner ring and the outer ring are designed into a butterfly-shaped special-shaped structure, the weight of the bearing is reduced, meanwhile, the installation and matching requirements of the radar host antenna are met, the installation process is simplified, the structure of the bearing connected with the radar host antenna is more precise and compact, and meanwhile, the limiting and reliable effect is achieved.
Description
Technical Field
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 light-weight full-load special-shaped four-point contact ball slewing support bearing.
Background
The radar detection device is an important part, and as a device for detecting the surrounding environment and positioning a target, the performance stability of the radar detection device is important, so that the bearing used by the radar detection device is required to have high precision, reliability and bearing capacity.
Disclosure of Invention
In view of the above-mentioned prior art, it is an object of the present invention to provide a lightweight, profiled, fully-loaded, four-point contact ball slewing bearing that meets the requirements for accuracy, reliability and load-carrying capacity.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the special-shaped full-load four-point contact ball slewing bearing comprises an inner ring, an outer ring and a steel ball; the outer diameter of the inner ring is provided with an inner raceway, the inner diameter of the outer ring is provided with an outer raceway, the steel ball is kept between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves are arranged on one side end face of the inner ring along the circumferential direction, a plurality of outer ring installation positioning grooves are arranged on one side end face of the outer ring along the circumferential direction, and the end face directions of the inner ring installation positioning grooves and the end face direction of the outer ring installation positioning grooves are.
Furthermore, the inner ring installation positioning groove is formed in one side, close to the outer diameter, of the end face of the inner ring.
Further, outer lane installation constant head tank sets up the one side that is close to the internal diameter on the outer lane terminal surface.
Furthermore, one side end face of the inner ring, which is not provided with the inner ring installation positioning groove, is arranged on one side close to the outer diameter, the inner ring inclined plane groove is in one-to-one correspondence with the outer ring installation positioning groove, and the inner ring inclined plane groove is communicated with the corresponding outer ring installation positioning groove; the outer ring is not provided with one side end face of the outer ring installation positioning groove, an outer ring inclined plane groove is arranged on one side close to the outer diameter and corresponds to the inner ring installation positioning groove one by one, and the outer ring inclined plane groove is communicated with the corresponding inner ring installation positioning groove.
Further, the height of the inclined plane groove is greater than that of the installation positioning groove.
Furthermore, the inner ring is provided with a ball loading gap, the diameter of the ball loading gap is larger than that of the steel ball, and a ball blocking block matched with the ball loading gap is arranged in the ball loading gap.
Furthermore, 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.
Furthermore, the ball blocking block and the inner ring are fixedly connected through a pin shaft.
Furthermore, the end faces 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.
Furthermore, the bearing is used for supporting the radar base, the installation positioning groove on the lower end face of the bearing is matched with the positioning convex block of the base, and the installation positioning groove on the upper end face of the bearing is matched with the positioning convex block of the antenna.
The invention has the beneficial effects that: the end faces of the inner ring and the outer ring are designed into a butterfly-shaped special-shaped structure, the weight of the bearing is reduced, meanwhile, the installation and matching requirements of the radar host antenna are met, the installation process is simplified, the structure of the bearing connected with the radar host antenna is more precise and compact, and meanwhile, the limiting and reliable effect is achieved.
Drawings
FIG. 1 is a schematic view of a slewing bearing according to the present invention;
FIG. 2 is a view of the positioning groove A mounted on the inner ring;
FIG. 3 is a view from the direction B of the outer ring installation positioning groove;
in the figure: 1. the antenna positioning device 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 a mounting threaded hole, 8 an inner ring mounting positioning groove, 9 an inner ring inclined plane groove, 10 an outer ring mounting positioning groove, 11 an outer ring inclined plane groove, 12 a bearing inner ring outer diameter, 13 a base positioning lug, 14 a bearing outer ring inner diameter, 15 and an antenna positioning lug.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.
Referring to the attached drawings 1-3, the special-shaped full-load four-point contact ball slewing bearing comprises an inner ring 2, an outer ring 1 and a steel ball 3; the outer diameter of the inner ring 2 is provided with an inner raceway, the inner diameter of the outer ring 1 is provided with an outer raceway, the steel ball 3 is kept between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves 8 are circumferentially arranged on the lower end surface of the inner ring 2, an inner ring inclined plane groove 9 is circumferentially arranged on the upper end surface of the inner ring 2, and the inner ring installation positioning grooves 8 and the inner ring inclined plane groove 9 are arranged on one side, close to the outer diameter, of the inner ring end surface; a plurality of outer ring installation positioning grooves 10 are circumferentially arranged on the upper end surface of the outer ring 1, outer ring inclined plane grooves 11 are circumferentially arranged on the lower end surface of the outer ring 1, the outer ring installation positioning grooves 10 and the outer ring inclined plane grooves 11 are arranged on one side, close to the inner diameter, of the outer ring end surface, the inner ring inclined plane grooves 9 are in one-to-one correspondence with the outer ring installation positioning grooves 10, and the inner ring inclined plane grooves 9 are communicated with the corresponding outer ring installation positioning grooves 10; the outer ring inclined plane groove 11 corresponds to the inner ring installation positioning groove 8 one by one, and the outer ring inclined plane groove 11 is communicated with the corresponding inner ring installation positioning groove 8. This bearing is used for radar base's support, and the inner circle installation constant head tank 8 cooperatees and connects fixedly with the location lug one by one of base, and outer lane installation constant head tank 10 cooperates and connects fixedly with the location lug one by one of antenna, and the antenna rotates for the base.
Based on above-mentioned technical scheme, the installation constant head tank is used for connecting with spacing location lug, and the inclined plane groove is seted up and is located installation constant head tank contact department, can avoid the friction of location lug and pivoted bearing ring, guarantees the bearing normal operating.
Further, the height of the inclined plane groove is larger than that of the installation positioning groove. The end face of the positioning lug is ensured not to rub against the bearing ring.
Further, the inner ring 2 is provided with a ball loading gap, the diameter of the ball loading gap 2 is larger than that of the steel ball 3, and a ball blocking block 4 matched with the ball loading gap is arranged in the ball loading gap.
Furthermore, ball blocking block 4 external diameter is provided with annular seal groove, and sealed annular seal 5 that has in the seal groove prevents overflowing of fat.
Further, the ball blocking block 4 and the inner ring 2 are fixedly connected through a pin shaft 6.
Furthermore, the end faces 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 the thin wall design of 2-3mm of the inner ring and the outer ring can lead the main engine to have a more compact structure. The end faces of the inner ring and the outer ring are designed into a butterfly-shaped special-shaped structure, the weight of the bearing is reduced, meanwhile, the installation and matching requirements of the radar host antenna are met, the installation process is simplified, the structure of the bearing connected with the radar host antenna is more precise and compact, and meanwhile, the limiting and reliable effect is achieved.
The above list is only the preferred embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (10)
1. Heterotypic full dress four point contact ball slewing bearing, its characterized in that: comprises an inner ring, an outer ring and a steel ball; the outer diameter of the inner ring is provided with an inner raceway, the inner diameter of the outer ring is provided with an outer raceway, the steel ball is kept between the inner raceway and the outer raceway, a plurality of inner ring installation positioning grooves are arranged on one side end face of the inner ring along the circumferential direction, a plurality of outer ring installation positioning grooves are arranged on one side end face of the outer ring along the circumferential direction, and the end face directions of the inner ring installation positioning grooves and the end face direction of the outer ring installation positioning grooves are.
2. The special-shaped full complement four-point contact ball slewing bearing according to claim 1, wherein: the inner ring mounting positioning groove is formed in one side, close to the outer diameter, of the end face of the inner ring.
3. The special-shaped full complement four-point contact ball slewing bearing according to claim 2, wherein: the outer ring installation positioning groove is formed in one side, close to the inner diameter, of the end face of the outer ring.
4. The special-shaped full complement four-point contact ball slewing bearing according to claim 3, wherein: the inner ring is not provided with one side end face of the inner ring installation positioning groove, one side close to the outer diameter is provided with an inner ring inclined plane groove, the inner ring inclined plane groove and the outer ring installation positioning groove correspond to each other one by one, and the inner ring inclined plane groove is communicated with the corresponding outer ring installation positioning groove; the outer ring is not provided with one side end face of the outer ring installation positioning groove, an outer ring inclined plane groove is arranged on one side close to the outer diameter and corresponds to the inner ring installation positioning groove one by one, and the outer ring inclined plane groove is communicated with the corresponding inner ring installation positioning groove.
5. The special-shaped full complement four-point contact ball slewing bearing according to claim 4, wherein: the height of the outer ring inclined plane groove is greater than that of the inner ring installation positioning groove; the height of the inner ring inclined plane groove is greater than that of the outer ring installation positioning groove.
6. The special-shaped full complement four-point contact ball slewing bearing according to claim 1, wherein: the inner ring is provided with a ball loading gap, the diameter of the ball loading gap is larger than that of the steel ball, and a ball blocking block matched with the ball loading gap is arranged in the ball loading gap.
7. The special-shaped full complement four-point contact ball slewing bearing according to claim 6, 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.
8. The special-shaped full complement four-point contact ball slewing bearing according to claim 6, wherein: the ball blocking block and the inner ring are fixedly connected through a pin shaft.
9. The special-shaped full complement four-point contact ball slewing bearing according to claim 1, wherein: and 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.
10. The special-shaped full complement four-point contact ball slewing support bearing according to any one of claims 1-9, 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 true CN110905913A (en) | 2020-03-24 |
| CN110905913B CN110905913B (en) | 2024-02-09 |
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| 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 |
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| Country | Link |
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| 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 |
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| Publication number | Publication date |
|---|---|
| CN110905913B (en) | 2024-02-09 |
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