CN105114465A - Four-point contact ball slewing bearing convenient to demount - Google Patents
Four-point contact ball slewing bearing convenient to demount Download PDFInfo
- Publication number
- CN105114465A CN105114465A CN201510629890.7A CN201510629890A CN105114465A CN 105114465 A CN105114465 A CN 105114465A CN 201510629890 A CN201510629890 A CN 201510629890A CN 105114465 A CN105114465 A CN 105114465A
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- inner ring
- hole
- slewing bearing
- stopper
- plug
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- Rolling Contact Bearings (AREA)
Abstract
A four-point contact ball slewing bearing convenient to demount comprises an outer ring, an inner ring, steel balls and a seal ring. Opposing faces of the outer ring and inner ring are provided with raceway grooves in which the steel balls roll. The seal ring is disposed between the outer ring and the inner ring. The face, opposite to the raceway grooves, of the inner ring is provided with plug holes disposed radially along the slewing bearing and communicated with the raceway grooves. The diameter of the plug holes is greater than that of the steel balls. Positioning holes and fixing holes are provided around the plug holes. A plug mounted in each plug hole is flange shaped, a flange face at one end of each plug is provided with a positioning pinhole and a screw hole, and the other end of the plug is provided with a groove matching with the raceway grooves of the inner ring in shape. The plugs are positioned by extending positioning pins through the positioning pinholes into the positioning holes and are fixed to the inner ring through screws. The steel balls of the slewing bearing can be replaced or the raceway grooves of the slewing bearing can be subjected to abrasion inspection just by removing the plugs without removing bolts which connect the inner and outer rings of the slewing bearing to a base of a rotating mechanism.
Description
Technical field
The present invention relates to field of bearings, specifically the present invention relates to a kind of easy-to-dismount four point touching ball slewing bearing.
Background technique
Known, usually with the plug hole of installing steel ball on the lasso of four point touching ball slewing bearing, steel ball is arranged on stopper in plug hole after loading turntable bearing, finally by the taper pin on turntable bearing end face, stopper and turntable bearing are fixed together, complete the assembling of turntable bearing.When four point touching ball slewing bearing is installed, by bolt, turntable bearing inner ring is connected with the pedestal of rotating machinery with the mounting hole on outer ring, then can uses.When if desired changing the steel ball of turntable bearing or abrasion inspection carried out to the raceway groove of turntable bearing, can only first dismantle after bolt that turntable bearing inner ring and outer ring be connected with the pedestal of rotating machinery, to dismantle successively again the taper pin of turntable bearing and stopper, finally exit steel ball, the steel ball of turntable bearing could be changed like this or abrasion inspection is carried out to the raceway groove of turntable bearing.
If do not dismantle turntable bearing inner ring be connected with the pedestal of rotating machinery with outer ring bolt when, change the steel ball of turntable bearing or carry out abrasion inspection to the raceway groove of turntable bearing, the structure of the four point touching ball slewing bearing of conventional band taper pin structure just cannot realize.
Summary of the invention
The object of this invention is to provide a kind of easy-to-dismount four point touching ball slewing bearing, by the improvement of plug structure and the optimization of setting, when can be implemented in the pedestal connecting bolt of do not dismantle turntable bearing inner ring and outer ring and rotating machinery, stopper of only dismantling just can realize the steel ball of replacing turntable bearing or carry out abrasion inspection to the raceway groove of turntable bearing.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of easy-to-dismount four point touching ball slewing bearing, comprise outer ring, inner ring, steel ball and seal ring, the face that outer ring is relative with inner ring is arranged the raceway groove for steel ball rolling, seal ring is arranged between outer ring and inner ring, the inner ring one side relative with described raceway groove arranges along the radial direction of turntable bearing the plug hole be connected with raceway groove, the aperture of plug hole is greater than the diameter of steel ball, and positioning hole and fixed hole are set around plug hole, the stopper be arranged in plug hole is flange shape, the flanged surface of stopper one end arranges positioning pin hole and screw hole respectively, its the other end arranges the groove consistent with channel shape on inner ring, stopper is positioned through in positioning pin hole insertion positioning hole by locating stud, and with screw, stopper is fixed on inner ring.
Preferably, set on described outer ring and inner ring raceway groove is peach-shaped raceway groove.
Preferably, described positioning pin hole and screw hole are set to multiple.
Preferably, arrange stopper to pull pin hole at the center in described stopper flange face.
Compared with prior art, the present invention has following beneficial effect:
Four point touching ball slewing bearing of the present invention, because the connection of turntable bearing and stopper is located by locating stud, and connected by screw fastening, when such structural design can be implemented in the pedestal connecting bolt of do not dismantle turntable bearing inner ring and outer ring and rotating machinery, by locating stud on stopper and the set screw of dismantling, just can realize changing the steel ball of turntable bearing after taking off stopper or abrasion inspection is carried out to the raceway groove of turntable bearing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of stopper in the present invention.
Fig. 3 is stopper A direction view of the present invention.
Mark in figure: 1, outer ring, 2, inner ring, 3, steel ball, 4, seal ring, 5, stopper, 6, screw, 7, locating stud, 5a, attachment screw hole, 5b, positioning pin hole, 5c, stopper are pulled pin hole.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention is further illustrated.
As shown in the figure, a kind of easy-to-dismount four point touching ball slewing bearing, comprise outer ring 1, inner ring 2, steel ball 3, seal ring 4, stopper 5, screw 6 and locating stud 7, wherein, the face that outer ring 1 is relative with inner ring 2 arranges peach-shaped raceway groove respectively that cooperatively interact, steel ball 3 is arranged in this peach-shaped raceway groove, the one side relative with peach-shaped raceway groove at inner ring 2 arranges plug hole along inner ring 2 radial direction, plug hole and peach-shaped raceway groove communicate, described stopper 5 is arranged in this plug hole, stopper 5 is in flange shape, and on flanged surface, be provided with screw hole 5a, positioning pin hole 5b and stopper are pulled pin hole 5c, the groove that one end relative with flanged surface on stopper 5 is arranged and on inner ring 2, peach-shaped channel shape matches, corresponding positioning hole and fixed hole are set around plug hole, also seal ring is provided with between outer ring 1 and inner ring 2.
When assembling the present invention, first the outer ring 1 of turntable bearing and inner ring 2 are placed, steel ball 3 is put into successively to peach-shaped raceway groove by the plug hole on turntable bearing inner ring 2, then stopper 5 is placed in plug hole, and by the positioning hole that locating stud 7 inserts on inner ring 2 through the positioning pin hole 5b that stopper 5 is arranged, stopper 5 is accurately located, being tightened in the screw hole 5a that stopper 5 manufactures with inner ring 2 finally by screw 6 is fixed on inner ring 2 by stopper 5, then and load onto seal ring 4, the assembling of turntable bearing of the present invention is completed.
When turntable bearing is installed, the bolt be connected with the pedestal of rotating machinery by turntable bearing inner ring 2 and outer ring 1 is carried out connection and uses.After running a period of time, when if desired changing the steel ball 3 of turntable bearing or abrasion inspection carried out to the raceway groove of turntable bearing, when the bolt that can be connected with the pedestal of rotating machinery with outer ring 1 at turntable bearing inner ring 2 of not dismantling, first to dismantle locating stud 7 in turntable bearing on stopper 5 and set screw 6, to be pulled pin the steel ball 3 that just can change turntable bearing after hole 5c takes off stopper 5 or abrasion inspection is carried out to the raceway groove of turntable bearing by stopper.
Claims (4)
1. an easy-to-dismount four point touching ball slewing bearing, comprise outer ring (1), inner ring (2), steel ball (3) and seal ring (4), the face that outer ring (1) is relative with inner ring (2) is arranged the raceway groove rolled for steel ball (3), seal ring (4) is arranged between outer ring (1) and inner ring (2), it is characterized in that: the one side that inner ring (2) is relative with described raceway groove radially arranges the plug hole be connected with raceway groove, the aperture of plug hole is greater than the diameter of steel ball (3), and positioning hole and fixed hole are set around plug hole, the stopper (5) be arranged in plug hole is flange shape, the flanged surface of stopper (5) one end arranges screw hole (5a) and positioning pin hole (5b) respectively, its the other end arranges the consistent groove of channel shape upper with inner ring (2), to be inserted in positioning hole through positioning pin hole (5b) by locating stud (7) and stopper (5) is positioned, and with screw (6), stopper (5) is fixed on inner ring (2).
2. the easy-to-dismount four point touching ball slewing bearing of one according to claim 1, is characterized in that: the upper set raceway groove of described outer ring (1) and inner ring (2) is peach-shaped raceway groove.
3. the easy-to-dismount four point touching ball slewing bearing of one according to claim 1, is characterized in that: described screw hole (5a) and positioning pin hole (5b) are set to multiple.
4. the easy-to-dismount four point touching ball slewing bearing of one according to claim 1, is characterized in that: arrange stopper at the center of described stopper (5) flanged surface and to pull pin hole (5c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629890.7A CN105114465A (en) | 2015-09-29 | 2015-09-29 | Four-point contact ball slewing bearing convenient to demount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510629890.7A CN105114465A (en) | 2015-09-29 | 2015-09-29 | Four-point contact ball slewing bearing convenient to demount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105114465A true CN105114465A (en) | 2015-12-02 |
Family
ID=54662535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510629890.7A Pending CN105114465A (en) | 2015-09-29 | 2015-09-29 | Four-point contact ball slewing bearing convenient to demount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105114465A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235345A (en) * | 2017-06-14 | 2017-10-10 | 郑州飞机装备有限责任公司 | A kind of convenient type rotary workbench |
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4966473A (en) * | 1986-12-19 | 1990-10-30 | Werner Jacob | Bearing assembly for a wheel of a motor vehicle |
| JP2008296621A (en) * | 2007-05-29 | 2008-12-11 | Ntn Corp | Wheel bearing device |
| CN201902291U (en) * | 2010-12-10 | 2011-07-20 | 江苏瑞特回转支承有限公司 | Variable-propeller bearing for wind power generation |
| CN201902292U (en) * | 2010-12-11 | 2011-07-20 | 江苏瑞特回转支承有限公司 | Yaw bearing for wind power generation |
| CN202031981U (en) * | 2011-04-10 | 2011-11-09 | 马鞍山方圆回转支承股份有限公司 | Cross roller and ball combined slewing bearing |
| CN202031993U (en) * | 2011-04-10 | 2011-11-09 | 马鞍山方圆回转支承股份有限公司 | Novel plug of slewing bearing |
| CN103790935A (en) * | 2012-10-31 | 2014-05-14 | 瓦房店福斯特轴承科技开发有限公司 | Grinding groove-based four-point contact ball turntable bearing |
-
2015
- 2015-09-29 CN CN201510629890.7A patent/CN105114465A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4966473A (en) * | 1986-12-19 | 1990-10-30 | Werner Jacob | Bearing assembly for a wheel of a motor vehicle |
| JP2008296621A (en) * | 2007-05-29 | 2008-12-11 | Ntn Corp | Wheel bearing device |
| CN201902291U (en) * | 2010-12-10 | 2011-07-20 | 江苏瑞特回转支承有限公司 | Variable-propeller bearing for wind power generation |
| CN201902292U (en) * | 2010-12-11 | 2011-07-20 | 江苏瑞特回转支承有限公司 | Yaw bearing for wind power generation |
| CN202031981U (en) * | 2011-04-10 | 2011-11-09 | 马鞍山方圆回转支承股份有限公司 | Cross roller and ball combined slewing bearing |
| CN202031993U (en) * | 2011-04-10 | 2011-11-09 | 马鞍山方圆回转支承股份有限公司 | Novel plug of slewing bearing |
| CN103790935A (en) * | 2012-10-31 | 2014-05-14 | 瓦房店福斯特轴承科技开发有限公司 | Grinding groove-based four-point contact ball turntable bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235345A (en) * | 2017-06-14 | 2017-10-10 | 郑州飞机装备有限责任公司 | A kind of convenient type rotary workbench |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |