CN213808467U - Raceway disconnect-type slewing bearing - Google Patents
Raceway disconnect-type slewing bearing Download PDFInfo
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- CN213808467U CN213808467U CN202022495293.9U CN202022495293U CN213808467U CN 213808467 U CN213808467 U CN 213808467U CN 202022495293 U CN202022495293 U CN 202022495293U CN 213808467 U CN213808467 U CN 213808467U
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- ring
- raceway
- raceway ring
- rolling
- rolling body
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Abstract
The utility model relates to a bearing technical field especially relates to a raceway disconnect-type carousel bearing. Comprises an inner ring, an outer ring, a rolling body, an inner raceway ring and an outer raceway ring; the inner raceway ring is arranged between the inner ring and the rolling body, the outer raceway ring is arranged between the outer ring and the rolling body, and the rolling body rolls between the inner rolling ring and the outer rolling ring. The utility model provides a pair of raceway disconnect-type carousel bearing changes original single inner circle into inner circle and interior raceway ring, single outer lane and changes outer lane and outer raceway ring structure into, the installation and the maintenance of inner circle, outer lane, interior raceway ring, outer raceway ring of being convenient for.
Description
Technical Field
The utility model relates to a bearing technical field especially relates to a raceway disconnect-type carousel bearing.
Background
The turntable bearing is a large bearing with a special structure which can bear the comprehensive loads such as larger axial load, radial load, overturning moment and the like and integrates multiple functions of supporting, rotating, transmitting, fixing and the like. The method is widely applied to the fields of large and heavy engineering machinery, military industry and the like.
However, in some special applications requiring the weight of the product to be as light as possible, the practical use of the product is severely restricted due to the excessive weight of the product. The channel of the slewing bearing is easy to wear under the action of large load for a long time, and the slewing bearing needs to be integrally replaced after the channel is seriously worn.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a raceway disconnect-type carousel bearing is guaranteeing to reduce the product dead weight by a wide margin under the prerequisite of overall structure installation requirement and performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a raceway separation type turntable bearing comprises an inner ring, an outer ring, rolling bodies, an inner raceway ring and an outer raceway ring; the inner raceway ring is arranged between the inner ring and the rolling body, the outer raceway ring is arranged between the outer ring and the rolling body, and the rolling body rolls between the inner rolling ring and the outer rolling ring.
Furthermore, the inner raceway ring is embedded in the inner ring, and the outer raceway ring is embedded in the outer ring.
Further, the inner raceway ring is made of spring steel, and the outer raceway ring is made of spring steel.
Furthermore, the inner ring and the outer ring are made of aluminum alloy materials.
Furthermore, the inner raceway ring is a split ring, the opening of the inner raceway ring is an inclined opening, the radial included angle between the inclined opening and the inner raceway ring is 45 degrees, the width of the inclined opening is 2mm, the outer raceway ring is a split ring, the width of the opening of the outer raceway ring is 2mm, and a circular hole matched with the rolling element is formed in the opening of the outer raceway ring.
Furthermore, the ball blocking device also comprises a ball blocking block and a pin; the ball blocking device is characterized in that a ball installing hole is formed in the outer circular surface of the outer ring, a pin hole is formed in the end face of the outer ring, the ball installing hole and the pin hole are arranged in a crossed mode, the ball blocking block sequentially penetrates through the ball installing hole and the circular hole, and the ball blocking block is fixed in the ball installing hole through a pin.
Further, the inner raceway ring is provided with an inner raceway, the outer raceway ring is provided with an outer raceway, a first overrun groove is formed in the groove bottom of the inner raceway, an annular groove is formed in the bottom of the first overrun groove, the radius of the annular groove is smaller than that of the first overrun groove, a second overrun groove is formed in the groove bottom of the outer raceway, and the outer raceway ring is provided with an oil filling hole.
Further, the rolling body is a sphere.
Further, the device also comprises a first sealing ring and a second sealing ring; the inner ring is characterized in that a first sealing ring groove is formed in the outer diameter end face of the inner ring, a first sealing ring is arranged in the first sealing ring groove, a step face is arranged on the inner ring, a second sealing ring groove is formed in the step face, and the second sealing ring is arranged in the second sealing ring groove.
Compared with the prior art, the utility model provides a raceway disconnect-type carousel bearing possesses following beneficial effect:
1. the original single inner ring is changed into an inner ring and an inner raceway ring, and the single outer ring is changed into an outer ring and an outer raceway ring structure, so that the inner ring, the outer ring, the inner raceway ring and the outer raceway ring can be conveniently installed and maintained;
2. the inner ring and the outer ring are of aluminum alloy structures, so that the weight is greatly reduced on the premise of not changing the original size;
3. the inner raceway ring and the outer raceway ring are both made of spring steel to form an open raceway ring, so that the inner raceway ring and the outer raceway ring can be conveniently assembled together with the ferrule to form a complete raceway structure.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of an outer raceway ring structure in an embodiment of the present invention;
fig. 3 is a schematic structural view of an inner raceway ring in an embodiment of the present invention.
In the figure: 1. inner circle, 1.1, first annular groove, 1.2, step face, 2, interior raceway ring, 2.1, slope opening, 2.2, first groove of overtravel, 2.3, annular groove, 3, the outer lane, 3.1, second annular groove, 4, outer raceway ring, 4.1, circular port, 4.2, second groove of overtravel, 4.3, the oil filler point, 4.4, half-circular arc, 5, the rolling element, 6, the block ball, 7, the round pin, 8, the pinhole, 9, the dress ball hole, 10, the screw hole, 11, first sealing washer, 12, the second sealing washer.
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.
Example 1
As shown in fig. 1 to 3, the raceway separation type turntable bearing provided in this embodiment is a single-row four-point contact ball turntable bearing, and includes an inner ring 1, an outer ring 3, rolling elements 5, an inner raceway ring 2, and an outer raceway ring 4; the rolling elements 5 are spherical bodies in this embodiment. The inner ring 1 is provided with a step surface 1.2, the inner ring 1 is sleeved in the outer ring 3, and the outer ring 3 is positioned on one side of the step surface 1.2 of the inner ring 1.
A first annular groove 1.1 matched with the inner raceway ring 2 is formed in the outer circular surface of the inner ring 1, and the inner raceway ring 2 is an open ring and is embedded in the first annular groove 1.1 in the inner ring 1; and a second annular groove 3.1 matched with the outer raceway ring 4 is formed in the inner circular surface of the outer ring 3, and the outer raceway ring 4 is a split ring and is embedded in the second annular groove 3.1 on the outer ring 3. An inner raceway matched with the rolling element 5 is formed on the outer circular surface of the inner raceway ring 2, an outer raceway matched with the rolling element 5 is formed on the inner circular surface of the outer raceway ring 4, the rolling element 5 rolls between the inner raceway ring and the outer raceway ring, the inner raceway ring 2 and the outer raceway ring 4 are made of spring steel, and the spring steel is beneficial to mounting and fixing the inner raceway ring 2 and the outer raceway ring 4 with the inner ring 1 and the outer ring 3.
The inner ring 1 and the outer ring 3 are both made of aluminum alloy. The inner ring 1 and the outer ring 3 are made of aluminum alloy materials, so that the dead weight of the turntable bearing is greatly reduced on the premise of ensuring the installation requirement and performance exertion of the whole structure.
The opening of interior raceway ring 2 is slope opening 2.1, and slope opening 2.1 is 45 with the radial contained angle of interior raceway ring 2, and the width of slope opening 2.1 is 2mm, and slope opening 2.1 is provided with and does benefit to the equipment of interior raceway ring 2 rather than the cooperation precision, and prop interior raceway ring 2 during the installation and put into in the first annular groove 1.1 on the outer disc of inner circle 1. The inner raceway ring 2 is restored to a complete raceway by its own elasticity.
The opening width of outer raceway ring 4 is 5mm, the opening part of outer raceway ring 4 seted up with rolling element 5 assorted circular port 4.1, form two relative semi-circular arcs 4.4 with the opening end face of outer raceway ring 4, circular port 4.1 is used for assembling rolling element 5. The circular holes 4.1 also facilitate the mounting and positioning of the outer race ring 4.
The embodiment also comprises a ball blocking block 6 and a pin 7; and a ball mounting hole 9 is formed in the outer circular surface of the outer ring 3, the ball mounting hole 9 is matched with the rolling body 5, and the ball mounting hole 9 is used for assembling the rolling body 5. Be provided with pinhole 8 on the terminal surface of outer lane 3, dress ball hole 9 with pinhole 8 cross arrangement, ball blocking piece 6 passes in proper order dress ball hole 9 with circular port 4.1 to contact with rolling element 5, ball blocking piece 6 is fixed in dress ball hole 9 is crossed through round pin 7. One end of the ball blocking block 6, which is far away from the rolling body 5, is provided with a threaded hole 10, and the threaded hole 10 is matched with a bolt to facilitate the disassembly of the ball blocking block 6.
It should be noted that the circular hole 4.1 is matched with the ball mounting hole 9, which is beneficial to mounting the rolling element 5 on one hand and also beneficial to mounting and positioning the outer raceway ring 4 and the outer ring 3 on the other hand. During installation, a semi-circular arc 4.4 can be positioned at the ball mounting hole 9 through a positioning tool, and the outer raceway ring 4 is extruded to be installed in the second annular groove 3.1 on the inner circular surface of the outer ring 3. The outer raceway ring 4 is restored to a complete raceway by its own elasticity.
The groove bottom of the inner roller path is provided with a first overrun groove 2.2, the bottom of the first overrun groove 2.2 is provided with an annular groove 2.3, the radius of the annular groove 2.3 is smaller than that of the first overrun groove 2.2, the annular groove 2.3 is used for storing lubricating oil, the groove bottom of the outer roller path is provided with a second overrun groove 4.2, the outer roller path ring 4 is provided with an oil filling hole 4.3, and the outer ring 3 is also provided with a through hole matched with the oil filling hole 4.3.
The present embodiment further comprises a first seal ring 11 and a second seal ring 12. The outer diameter end face of the inner ring 1 is provided with a first sealing ring groove, and a first sealing ring 11 is arranged in the first sealing ring groove to play a role in axial sealing.
A second sealing ring groove is formed in the step surface 1.2, and a second sealing ring 12 is arranged in the second sealing ring groove to play a role in radial sealing.
Compared with the prior art, the embodiment has the following beneficial effects:
1. the original single inner ring 1 is changed into an inner ring 1 and an inner raceway ring 2, and the single outer ring 3 is changed into an outer ring 3 and an outer raceway ring 4, so that the installation and maintenance of the inner ring 1, the outer ring 3, the inner raceway ring 2 and the outer raceway ring 4 are facilitated;
2. the inner ring 1 and the outer ring 3 adopt aluminum alloy structures, and the weight is greatly reduced on the premise of not changing the original size;
3. the inner raceway ring 2 and the outer raceway ring 4 are both made of spring steel to form open raceway rings, so that the inner raceway ring, the outer raceway ring and the inner ring 1 are conveniently assembled together to form a complete raceway structure.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A raceway split-type slewing bearing characterized in that: comprises an inner ring, an outer ring, a rolling body, an inner raceway ring and an outer raceway ring; the inner raceway ring is arranged between the inner ring and the rolling body, the outer raceway ring is arranged between the outer ring and the rolling body, and the rolling body rolls between the inner rolling ring and the outer rolling ring.
2. A race split slewing bearing according to claim 1, wherein: the inner raceway ring is embedded in the inner ring, and the outer raceway ring is embedded in the outer ring.
3. A race split slewing bearing according to claim 1, wherein: the inner raceway ring is made of spring steel, and the outer raceway ring is made of spring steel.
4. A race split slewing bearing according to claim 1, wherein: the inner ring and the outer ring are made of aluminum alloy materials.
5. A race split slewing bearing according to claim 1, wherein: the inner raceway ring is a split ring, and the outer raceway ring is a split ring.
6. A race split slewing bearing according to claim 1, wherein: the rolling bodies are spherical bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022495293.9U CN213808467U (en) | 2020-11-03 | 2020-11-03 | Raceway disconnect-type slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022495293.9U CN213808467U (en) | 2020-11-03 | 2020-11-03 | Raceway disconnect-type slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808467U true CN213808467U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022495293.9U Active CN213808467U (en) | 2020-11-03 | 2020-11-03 | Raceway disconnect-type slewing bearing |
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| Country | Link |
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| CN (1) | CN213808467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283241A (en) * | 2020-11-03 | 2021-01-29 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separation type turntable bearing |
-
2020
- 2020-11-03 CN CN202022495293.9U patent/CN213808467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283241A (en) * | 2020-11-03 | 2021-01-29 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separation type turntable bearing |
| CN112283241B (en) * | 2020-11-03 | 2024-03-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separated turntable bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221214 Address after: 116300 No.1, Section 1, North Gongji street, Zhuhua street, Wafangdian City, Dalian City, Liaoning Province Patentee after: WAFANGDIAN BEARING GROUP SPECIAL BEARING CO.,LTD. Address before: 116300 Wafangdian Bearing Industrial Park, Dalian City, Liaoning Province Patentee before: WAFANGDIAN BEARING GROUP NATIONAL BEARING ENGINEERING TECHNOLOGY RESEARCH CENTER Co.,Ltd. |
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| TR01 | Transfer of patent right |