CN210599860U - Slewing bearing for engineering machinery - Google Patents
Slewing bearing for engineering machinery Download PDFInfo
- Publication number
- CN210599860U CN210599860U CN201921603408.2U CN201921603408U CN210599860U CN 210599860 U CN210599860 U CN 210599860U CN 201921603408 U CN201921603408 U CN 201921603408U CN 210599860 U CN210599860 U CN 210599860U
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- China
- Prior art keywords
- ball
- ring
- cylinder
- outer ring
- slewing 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a slewing bearing for engineering machinery, including outer lane, inner circle, lower mounting hole, upper mounting hole, encapsulation circle board, set screw, cylinder roll, cylinder holder, cylinder raceway, ball holder, ball roll and ball raceway, the cooperation of outer lane inboard is equipped with the inner circle, and outer lane and inner circle cooperation personally submit the forty-five degree slope form, the outer lane cooperates with the inner circle slope binding face and has seted up the cylinder raceway, and is fixed with the cylinder holder in the cylinder raceway, evenly install the cylinder roll in the cylinder holder, the outer lane cooperates with the inner circle horizontal binding face and has seted up the ball raceway, and installs the ball holder in the ball raceway, and this slewing bearing for engineering machinery rotates engineering machinery through the cylinder raceway of slope and horizontal ball raceway and supports engineering machinery, and vertical support force is big, and the rotation is stable, excellent in use effect, long service life, convenient production and low processing difficulty.
Description
Technical Field
The utility model relates to a bearing technical field specifically is a slewing bearing for engineering machine tool.
Background
The slewing bearing is also called as a turntable bearing, and some people also call it as: the large-scale bearing has the advantages of being capable of bearing comprehensive loads such as large axial load, radial load, overturning moment and the like at the same time, integrating multiple functions such as supporting, rotating, transmission, fixing and the like, and being wide in application.
A slewing bearing for engineering machinery needs to bear larger force, but the traditional slewing bearing is better in comprehensive stress, the supporting stress performance needs to be improved, and the difficulty in production and processing of the existing slewing bearing is higher, so that the slewing bearing for the engineering machinery is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engineering machine tool is with slewing bearing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a slewing bearing for engineering machinery comprises an outer ring, an inner ring, a lower mounting hole, an upper mounting hole, a packaging ring plate, a fixing screw, a cylindrical roller body, a cylindrical retainer, a cylindrical rolling groove, a ball retainer, a ball roller body and a ball rolling groove, wherein the inner ring is arranged on the inner side of the outer ring in a matching way, the matching surface of the outer ring and the inner ring is in a forty-five degree inclined shape, the inclined binding surface of the outer ring and the inner ring is matched with a cylindrical rolling groove, and a cylindrical retainer is fixed in the cylindrical rolling groove, cylindrical rolling bodies are uniformly arranged in the cylindrical retainer, the horizontal binding surface of the outer ring and the inner ring is provided with a ball rolling groove in a matching way, and a ball retainer is arranged in the ball rolling groove, ball rolling bodies are uniformly arranged in the ball retainer, lower mounting holes are uniformly arranged on the bottom surface of the outer ring, the inner ring top surface is evenly provided with an upper mounting hole, the outer ring top surface is provided with a packaging ring plate, and the packaging ring plate is fixedly connected with the outer ring through a fixing screw.
Preferably, the outer edge of the top surface of the inner ring is flush with the top surface of the outer ring, and the packaging ring plate is attached to the edge of the top surface of the inner ring.
Preferably, a sealing ring is arranged at the matching position of the bottom surfaces of the outer ring and the inner ring.
Preferably, chamfers are arranged on the edges of the outer ring and the inner ring.
Preferably, the ports of the lower mounting hole and the upper mounting hole are provided with chamfers.
Preferably, the outer ring and the inner ring are both made of carburizing steel materials.
Compared with the prior art, the beneficial effects of the utility model are that: the device keeps flat when using, insert down the mounting hole through the screw and fix the device level, insert the mounting hole through the screw and fix support equipment at the inner circle top surface, the cylinder roll body of slope plays the roll support effect with the horizontally ball roll body, greatly improved the rotation support effect, during device production, with the spacing installation back of cylinder roll body and ball roll body, directly with the inner circle block at the outer lane inboard, the fixed of cooperation encapsulation collar plate, make the inner circle encapsulation stable, this slewing bearing for engineering machine tool rolls the body through the cylinder of slope and rotates with the horizontally ball roll body and supports engineering machine tool, the vertical support power is big, it is stable to rotate, excellent in use effect, long service life, and device production is convenient, the processing degree of difficulty is low.
Drawings
FIG. 1 is a schematic view of the bottom structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic sectional view of the present invention.
In the figure: 1. an outer ring; 2. an inner ring; 3. a lower mounting hole; 4. an upper mounting hole; 5. packaging the ring plate; 6. a seal ring; 7. a set screw; 8. a cylindrical roller body; 9. a cylindrical cage; 10. cylindrical roll grooves; 11. a ball retainer; 12. a ball rolling body; 13. and (4) rolling a ball groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a slewing bearing for engineering machinery comprises an outer ring 1, an inner ring 2, a lower mounting hole 3, an upper mounting hole 4, a packaging ring plate 5, a fixing screw 7, a cylindrical roller body 8, a cylindrical retainer 9, a cylindrical rolling groove 10, a ball retainer 11, a ball roller body 12 and a ball rolling groove 13, wherein the inner ring 2 is arranged on the inner side of the outer ring 1 in a matched manner, the matched surface of the outer ring 1 and the inner ring 2 is in a forty-five-degree inclined shape, the cylindrical rolling groove 10 is arranged on the inclined joint surface of the outer ring 1 and the inner ring 2 in a matched manner, the cylindrical retainer 9 is fixed in the cylindrical rolling groove 10, the cylindrical roller body 8 is uniformly arranged in the cylindrical retainer 9, the ball rolling groove 13 is arranged on the horizontal joint surface of the outer ring 1 and the inner ring 2 in a matched manner, the ball retainer 11 is arranged in the ball retainer 11, the ball roller body 12 is uniformly arranged in the ball retainer 11, the bottom surface of the, the top surface of the outer ring 1 is provided with a packaging ring plate 5, and the packaging ring plate 5 is fixedly connected with the outer ring 1 through a fixing screw 7.
The device keeps flat during the use, insert down through the screw and fix the device level in mounting hole 3, insert through the screw and fix the support device at 2 top surfaces of inner circle in mounting hole 4, the cylinder roll body 8 and the horizontally ball roll body 12 of slope play the roll supporting role, greatly improved the rotation support effect, during device production, roll the body 8 and the spacing installation back of ball roll body 12 with the cylinder, directly with 2 blocks of inner circle in 1 inboards of outer lane, the cooperation encapsulates the fixed of circle board 5, make 2 encapsulation of inner circle stable.
The outer edge of the top surface of the inner ring 2 is flush with the top surface of the outer ring 1, the packaging ring plate 5 is attached to the edge of the top surface of the inner ring 2, the inner ring 2 is fixed through the installation of the packaging ring plate 5, and the surface of the device is flush.
And a sealing ring 6 is arranged at the matching position of the bottom surfaces of the outer ring 1 and the inner ring 2 for dustproof protection.
Chamfers are arranged on the edges of the outer ring 1 and the inner ring 2, so that corners of the device are smooth, and the hand is prevented from being damaged during installation.
Chamfers are arranged at the ports of the lower mounting hole 3 and the upper mounting hole 4, so that the screws can be conveniently inserted and mounted.
The outer ring 1 and the inner ring 2 are both made of carburizing steel materials, and have high stress strength and long service life.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a slewing bearing for engineering machine tool, includes outer lane (1), inner circle (2), mounting hole (3) down, goes up mounting hole (4), encapsulation circle board (5), set screw (7), cylinder rolls body (8), cylinder holder (9), cylinder race (10), ball holder (11), ball rolls body (12) and ball race (13), its characterized in that: the inner side of the outer ring (1) is provided with an inner ring (2) in a matching way, the matching surface of the outer ring (1) and the inner ring (2) is in a forty-five degree inclined shape, the inclined binding surfaces of the outer ring (1) and the inner ring (2) are matched with each other to form a cylindrical rolling groove (10), and a cylindrical retainer (9) is fixed in the cylindrical rolling groove (10), cylindrical rolling bodies (8) are uniformly arranged in the cylindrical retainer (9), the horizontal binding surface of the outer ring (1) and the inner ring (2) is provided with a ball rolling groove (13) in a matching way, and a ball retainer (11) is arranged in the ball rolling groove (13), ball rolling bodies (12) are uniformly arranged in the ball retainer (11), the bottom surface of the outer ring (1) is uniformly provided with lower mounting holes (3), the top surface of the inner ring (2) is uniformly provided with upper mounting holes (4), the top surface of the outer ring (1) is provided with a packaging ring plate (5), and the packaging ring plate (5) is fixedly connected with the outer ring (1) through a fixing screw (7).
2. The slewing bearing for construction machinery according to claim 1, wherein: the outer edge of the top surface of the inner ring (2) is flush with the top surface of the outer ring (1), and the packaging ring plate (5) is attached to the edge of the top surface of the inner ring (2).
3. The slewing bearing for construction machinery according to claim 1, wherein: and a sealing ring (6) is arranged at the matching position of the bottom surfaces of the outer ring (1) and the inner ring (2).
4. The slewing bearing for construction machinery according to claim 1, wherein: chamfers are arranged on the edges of the outer ring (1) and the inner ring (2).
5. The slewing bearing for construction machinery according to claim 1, wherein: chamfers are arranged at the ports of the lower mounting hole (3) and the upper mounting hole (4).
6. The slewing bearing for construction machinery according to claim 1, wherein: the outer ring (1) and the inner ring (2) are both made of carburizing steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603408.2U CN210599860U (en) | 2019-09-25 | 2019-09-25 | Slewing bearing for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603408.2U CN210599860U (en) | 2019-09-25 | 2019-09-25 | Slewing bearing for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599860U true CN210599860U (en) | 2020-05-22 |
Family
ID=70697374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921603408.2U Expired - Fee Related CN210599860U (en) | 2019-09-25 | 2019-09-25 | Slewing bearing for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599860U (en) |
-
2019
- 2019-09-25 CN CN201921603408.2U patent/CN210599860U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20200925 |