CN210164800U - Multi-sealing three-row column type slewing bearing - Google Patents
Multi-sealing three-row column type slewing bearing Download PDFInfo
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- CN210164800U CN210164800U CN201921022804.6U CN201921022804U CN210164800U CN 210164800 U CN210164800 U CN 210164800U CN 201921022804 U CN201921022804 U CN 201921022804U CN 210164800 U CN210164800 U CN 210164800U
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Abstract
The utility model discloses a multiple sealed three-row column type slewing bearing, including outer lane, interior upper band, interior lower ring, go up the row's of arranging roller, lower row's of roller and radial roller, interior upper band and interior lower ring make up into a complete inner ring, the inner ring outside that upper band and interior lower ring are constituteed including the outer lane suit is provided with horizontal raceway and radial raceway respectively between upper band and the outer lane including, interior upper band and outer lane between set up two lip rubber seal strip, go up horizontal rubber seal strip and stainless steel hawk, interior lower ring and outer lane between set up horizontal rubber seal strip down. The utility model discloses a multiple sealed three-row column type slewing bearing can bear great axial load, radial load and overturning moment, can realize high performance again and seal.
Description
Technical Field
The utility model belongs to the technical field of slewing bearing, concretely relates to multiple sealed three-row column type slewing bearing.
Background
The slewing bearing is an important transmission part necessary for machinery which needs to do relative slewing motion between two objects and simultaneously bear axial force, radial force and tipping moment, and along with the rapid development of the machinery industry, the slewing bearing is widely applied to the industries of ship equipment, engineering machinery, light industry machinery, metallurgical machinery, medical machinery, industrial machinery and the like. The existing three-row column type slewing bearing specified in the JB/T2300-2011 standard meets the requirement of large bearing, but in many occasions, dust is large, and the common three-row column type sealing structure can not meet the use requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can bear great axial load, radial load and overturning moment, can realize high leakproofness's slewing bearing again.
The utility model discloses a concrete technical scheme does:
a multi-seal three-row column type slewing bearing comprises an outer ring, an inner upper ring, an inner lower ring, an upper row of rollers, a lower row of rollers and radial rollers, wherein the inner upper ring and the inner lower ring are combined into a complete inner ring; a lower horizontal raceway is arranged between the inner lower ring and the outer ring, a lower row of rollers and a lower row of window type isolating blocks are arranged in the lower horizontal raceway, a double-lip rubber sealing strip, an upper horizontal rubber sealing strip and a stainless steel ash baffle are arranged between the inner upper ring and the outer ring, and a lower horizontal rubber sealing strip is arranged between the inner lower ring and the outer ring.
Further, outer lane up end be provided with the annular arch, the annular is protruding to be provided with the mounting groove, two lip rubber seal strip one end fix at the mounting groove, the other end supports interior upper ring.
Furthermore, the upper horizontal rubber sealing strip is positioned above the double-lip rubber sealing strip and fixed in an annular sealing groove on the outer ring surface of the inner upper ring.
Furthermore, the stainless steel dust baffle is fixed on the outer annular surface of the inner ring and the outer annular surface of the upper ring through bolts, a horizontal plate of the stainless steel dust baffle extends outwards to cover the double-lip rubber sealing strips and the upper horizontal rubber sealing strips, the vertical plate of the stainless steel dust baffle is downward close to the side surface of the annular protrusion, and the length of the vertical plate exceeds the upper end surface of the annular protrusion.
Furthermore, a connecting screw is arranged between the inner upper ring and the inner lower ring.
Furthermore, the multiple sealing three-row column type slewing bearing further comprises an oil nozzle, wherein the oil nozzle is arranged on the inner side surface of the inner ring, and lubricating grease can be filled into the raceway through the oil nozzle.
Further, the outer ring is provided with a gear.
Compared with the prior art, the utility model has the advantages that: the multi-sealing three-row column type slewing bearing of the utility model is provided with the double-lip rubber sealing strip, the upper horizontal rubber sealing strip and the stainless steel dust baffle between the inner upper ring and the outer ring, thereby preventing dust, sundries and rainwater from entering, having good sealing performance and protecting the operation of the upper row of rolling ways; simultaneously including setting up down horizontal rubber seal strip between circle and the outer lane, having the entering that prevents dust debris, having the effect of the lubricating grease of preserving between the roller, make the utility model discloses a multiple sealed three-row column type slewing bearing can bear great axial load, radial load and overturning moment, can realize high performance sealed again.
Drawings
Fig. 1 is a schematic main sectional view of the multi-sealing three-row column type slewing bearing of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
in the figure: 1-an outer ring; 2-stainless steel ash baffles; 3-double-lip rubber sealing strips; 4-upper horizontal rubber sealing strip; 5-upper row of rollers; 6-upper row window type isolation blocks; 7-inner upper ring; 8-oil nozzle; 9-inner lower ring; 10-a connection screw; 11-radial rollers; 12-lower row of rollers; 13-lower row window type isolation block; 14-lower horizontal rubber seal.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Example 1
As shown in figures 1 and 2, the multi-seal three-row column type slewing bearing comprises an outer ring 1, an inner upper ring 7, an inner lower ring 9, an upper row of rollers 5, a lower row of rollers 12 and radial rollers 11. An inner upper ring 7 and an inner lower ring 9 are combined into a complete inner ring, an outer ring 1 is sleeved outside the inner ring formed by the inner upper ring 7 and the inner lower ring 9, an upper horizontal raceway and a radial raceway are respectively arranged between the inner upper ring 7 and the outer ring 1, an upper row of rollers 5 and an upper row of window type isolation block 6 are arranged in the upper horizontal raceway, and a radial roller 11 and a radial isolation block are arranged in the radial raceway; a lower horizontal raceway is arranged between the inner lower ring 9 and the outer ring 1, and a lower row of rollers 12 and a lower row of window type isolation blocks 13 are arranged in the lower horizontal raceway to realize the rotation function.
In order to realize sealing, a double-lip rubber sealing strip 3, an upper horizontal rubber sealing strip 4 and a stainless steel dust baffle 2 are arranged between the inner upper ring 7 and the outer ring 1. A lower horizontal rubber sealing strip 14 is arranged between the inner lower ring 9 and the outer ring 1, so that dust and impurities are prevented from entering, and lubricating grease between the rollers is preserved.
The upper end face of the outer ring 1 is provided with an annular bulge, the annular bulge is provided with a mounting groove, one end of the double-lip rubber sealing strip 3 is fixed on the mounting groove, and the other end of the double-lip rubber sealing strip abuts against the inner upper ring 7, so that the sealing effect is achieved. The upper horizontal rubber sealing strip 4 is positioned above the double-lip rubber sealing strip 3 and fixed in an annular sealing groove on the outer annular surface of the inner upper ring 7, and plays a role in double sealing. Above last horizontal rubber seal strip 4, stainless steel ash baffle 2 passes through on 7 outer anchor rings of upper ring including the bolt fastening, and stainless steel ash baffle 2 includes horizontal plate and vertical board, and the horizontal plate outwards extends and covers lip rubber seal strip 3 and last horizontal rubber seal strip 4, and the vertical board direction of stainless steel ash baffle 2 is close to the protruding side of annular down, and vertical board length surpasss the protruding up end of annular. Thus, the stainless steel dust shield 2 acts like a cover, and provides an outermost seal for the pivoting support of the present embodiment, thereby protecting the upper row of raceways from movement.
And a connecting screw 10 is also arranged between the inner upper ring 7 and the inner lower ring 9, so that the two rings are ensured to be integrated.
The multi-sealing three-row column type slewing bearing further comprises the oil nozzle 8, the oil nozzle 8 is arranged on the inner side surface of the inner ring, lubricating grease can be filled into the raceway through the oil nozzle 8, and the raceway is maintained.
The outer ring 1 is provided with a gear, so that the driving function is realized.
Example 2
The multiple sealing three-row column type slewing bearing in the embodiment 1 can adopt an internal tooth type or toothless type structure, and the using effect is the same as that of the embodiment 1.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A multi-seal three-row column type slewing bearing comprises an outer ring (1), an inner upper ring (7), an inner lower ring (9), an upper row of rollers (5), a lower row of rollers (12) and radial rollers (11), wherein the inner upper ring (7) and the inner lower ring (9) are combined into a complete inner ring, the outer ring (1) is sleeved outside the inner ring formed by the inner upper ring (7) and the inner lower ring (9), an upper horizontal raceway and a radial raceway are respectively arranged between the inner upper ring (7) and the outer ring (1), the upper row of rollers (5) and an upper row of window type isolating blocks (6) are arranged in the upper horizontal raceway, and the radial rollers (11) and the radial isolating blocks are arranged in the radial raceway; the inner lower ring (9) and the outer ring (1) are provided with a lower horizontal raceway, a lower row of rollers (12) and a lower row of window type isolation blocks (13) are arranged in the lower horizontal raceway, and the inner lower ring (9) and the outer ring (1) are characterized in that a double-lip rubber sealing strip (3), an upper horizontal rubber sealing strip (4) and a stainless steel ash baffle (2) are arranged between the inner upper ring (7) and the outer ring (1), and a lower horizontal rubber sealing strip (14) is arranged between the inner lower ring (9) and the outer ring (1).
2. A multi-sealing three-row column type slewing bearing according to claim 1, wherein the upper end face of the outer ring (1) is provided with an annular protrusion, the annular protrusion is provided with a mounting groove, one end of the double-lip rubber sealing strip (3) is fixed in the mounting groove, and the other end of the double-lip rubber sealing strip abuts against the inner upper ring (7).
3. A multi-seal three-row-column type slewing bearing according to claim 1, wherein the upper horizontal rubber seal (4) is positioned above the double-lip rubber seal (3) and fixed in an annular seal groove on the outer annular surface of the inner upper ring (7).
4. The multi-seal three-row column type slewing bearing according to claim 1 or 2, wherein the stainless steel dust baffle (2) is fixed on the outer annular surface of the inner upper ring (7) through bolts, the horizontal plate of the stainless steel dust baffle (2) extends outwards to cover the double-lip rubber sealing strip (3) and the upper horizontal rubber sealing strip (4), the vertical plate of the stainless steel dust baffle (2) is downward close to the side surface of the annular protrusion, and the length of the vertical plate exceeds the upper end surface of the annular protrusion.
5. A multi-seal triple-row slewing bearing according to claim 1, wherein a connecting screw (10) is further provided between the inner upper ring (7) and the inner lower ring (9).
6. A multi-seal three-row column type slewing bearing according to claim 1, wherein the multi-seal three-row column type slewing bearing further comprises a nozzle tip (8), the nozzle tip (8) is arranged on the inner side surface of the inner ring, and lubricating grease can be filled into the raceway through the nozzle tip (8).
7. A multi-seal triple row slewing bearing according to claim 1, wherein said outer ring (1) is provided with gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022804.6U CN210164800U (en) | 2019-07-03 | 2019-07-03 | Multi-sealing three-row column type slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022804.6U CN210164800U (en) | 2019-07-03 | 2019-07-03 | Multi-sealing three-row column type slewing bearing |
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| Publication Number | Publication Date |
|---|---|
| CN210164800U true CN210164800U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022804.6U Active CN210164800U (en) | 2019-07-03 | 2019-07-03 | Multi-sealing three-row column type slewing bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594084A (en) * | 2020-05-21 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Ball joint bearing and core drilling machine |
| CN114278667A (en) * | 2021-11-25 | 2022-04-05 | 国能珠海港务有限公司 | Slewing bearing and ship loader chute |
-
2019
- 2019-07-03 CN CN201921022804.6U patent/CN210164800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594084A (en) * | 2020-05-21 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Ball joint bearing and core drilling machine |
| CN114278667A (en) * | 2021-11-25 | 2022-04-05 | 国能珠海港务有限公司 | Slewing bearing and ship loader chute |
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