CN210164794U - Three-row column type slewing bearing capable of automatically compensating clearance - Google Patents
Three-row column type slewing bearing capable of automatically compensating clearance Download PDFInfo
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- CN210164794U CN210164794U CN201920704900.2U CN201920704900U CN210164794U CN 210164794 U CN210164794 U CN 210164794U CN 201920704900 U CN201920704900 U CN 201920704900U CN 210164794 U CN210164794 U CN 210164794U
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Abstract
The utility model discloses an automatic three rows of column slewing bearing in compensation clearance, including outer lane, inner circle, rolling element, holder, sealing strip, oilhole, spring, adjustable ring and thrust piece, outer lane and inner circle between interconnect installation, the outer lane is formed by outer last circle and outer lower ring assembly, is formed with three rows of hollow raceways between inner circle and outer lane, all install in the raceway and be provided with the rolling element, the rolling element divide into row's of going up rolling element, well row rolling element and lower row of rolling element, seal through the sealing strip between outer lane and the inner circle, open the oilhole that is linked together with the raceway at the outer lane terminal surface, spring, thrust piece and adjustable ring setting are in the lower row of raceways, adjustable ring surface contact under the rolling element, lower surface and thrust piece contact, thrust piece below are provided with the spring. The utility model discloses simple structure, convenient to use, the tension of accessible spring promotes the thrust piece and transmits the adjustable ring, realizes the automatic compensation clearance.
Description
Technical Field
The utility model relates to a slewing bearing technical field, concretely relates to automatic three-row column formula slewing bearing in compensation clearance.
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 three-row column slewing bearing is mainly applied to the heavy load working condition, under the working condition, the slewing bearing is horizontally installed and mainly bears large axial load and overturning moment, the gap of the traditional structural form cannot be automatically adjusted and compensated, and the service life of the gap is increased. Along with slewing bearing application area is wider and wider, required operating mode is more and more complicated, especially to the equipment that the clearance requirement is high, needs under specific operating mode can not be satisfied to current three row post structural style in the tradition.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure, convenient to use are provided, and mounting dimension keeps unanimous with industry standard, only changes raceway structural design alright general, can bear axial, the moment load that topples moreover, can bear the slewing bearing of three rows of posts of radial load again.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize:
a three-row column slewing bearing with automatic gap compensation comprises an outer ring, an inner ring, rolling bodies, a retainer, a sealing strip, oil holes, springs, an adjusting ring and thrust blocks, wherein the outer ring and the inner ring are connected and mounted with each other, the outer ring is formed by assembling an outer upper ring and an outer lower ring, three rows of hollow raceways are formed between the inner ring and the outer ring, the rolling bodies are mounted in the raceways and are divided into an upper row of rolling bodies, a middle row of rolling bodies and a lower row of rolling bodies, the outer ring and the inner ring are sealed through the sealing strip, the end face of the outer ring is provided with the oil holes communicated with the raceways, the springs, the thrust blocks and the adjusting ring are arranged in the lower row of raceways, the upper surface of the adjusting ring is in contact with the lower row of rolling bodies, the lower surface of the adjusting ring is in contact with the thrust blocks, the, and automatic gap compensation is realized.
Further, the upper row of rolling bodies, the middle row of rolling bodies and the lower row of rolling bodies are all arranged in the roller path between the outer ring and the inner ring through the retainer.
Further, the rolling bodies are of a roller type structure.
Further, the inner roller path is of a three-row structure.
Furthermore, the oil hole can be arranged on any surface of the outer ring or the inner ring according to requirements.
Furthermore, the bottom of the thrust block is provided with a threaded hole, and the thrust block can be fixed through a bolt.
Compared with the prior art, the utility model provides a three-row column slewing bearing in automatic compensation clearance, moreover, the steam generator is simple in structure, high durability and convenient use, when mounting dimension keeps unanimous with industry standard, only change down raceway structural design, can bear heavy axial load, the moment of toppling, can bear radial load again, when the same structure size, compare with traditional structural design, the automatic compensation clearance, make slewing bearing reduce the impact to slewing bearing when the external force atress is uneven, thereby adapt to complicated operating mode, make slewing bearing life prolong more, great popularization and application value has.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
wherein: 1-outer upper ring; 2-oil hole; 3-upper row of rolling bodies; 4-sealing strips; 5-inner ring; 6-middle row of rolling bodies; 7-lower row of rolling bodies; 8-outer lower ring; 9-an adjusting ring; 10-a thrust block; 11-spring.
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.
As shown in fig. 1, an automatic gap compensation three-row column slewing bearing comprises an outer ring, an inner ring, rolling elements, a retainer, a sealing strip 4 and oil holes 2, wherein the outer ring and the inner ring 5 are connected and mounted with each other, the outer ring is assembled by an outer upper ring 1 and an outer lower ring 8, three rows of hollow raceways are formed between the inner ring 5 and the outer ring, the rolling elements are mounted in the raceways, the rolling elements are arranged in the raceways through the retainer, the rolling elements are divided into an upper row of rolling elements 3, a middle row of rolling elements 6 and a lower row of rolling elements 7, the upper row of rolling elements 3, the middle row of rolling elements 6 and the lower row of rolling elements 7 are arranged in the raceways between the outer ring and the inner ring 5 through the retainer, the outer ring and the inner ring 5 are sealed through the sealing strip 4, and the oil holes 2;
the rolling bodies are in a roller type, and the inner roller paths are in a three-row type;
the oil hole 2 can be arranged on any surface of the outer ring or the inner ring 5 according to requirements;
the spring 11, the thrust block 10 and the adjusting ring 9 are arranged in the lower row of rolling paths, the upper surface of the adjusting ring 9 is in contact with the lower row of rolling bodies 7, the lower surface of the adjusting ring is in contact with the thrust block 10, the spring 11 is arranged below the thrust block 10, the thrust block 10 is pushed by the tension of the spring 11 to be transmitted to the adjusting ring 9, and automatic gap compensation is achieved.
For convenience of installation, threaded holes are formed in the bottom of the thrust block 10, the thrust block 10 can be fixed through bolts, and the bolts are removed after assembly.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides an automatic three rows of column formula slewing bearing in compensation clearance which characterized in that: the rolling bearing comprises an outer ring, an inner ring (5), rolling bodies, a retainer, a sealing strip (4), oil holes (2), a spring (11), an adjusting ring (9) and a thrust block (10), wherein the outer ring and the inner ring (5) are connected and mounted with each other, the outer ring is formed by assembling an outer upper ring (1) and an outer lower ring (8), three rows of hollow raceways are formed between the inner ring (5) and the outer ring, the rolling bodies are mounted in the raceways, the rolling bodies are divided into an upper row of rolling bodies (3), a middle row of rolling bodies (6) and a lower row of rolling bodies (7), the outer ring and the inner ring (5) are sealed through the sealing strip (4), the oil holes (2) communicated with the raceways are formed in the end face of the outer ring, the spring (11), the thrust block (10) and the adjusting ring (9) are arranged in the lower row of raceways, and the upper surface of the, the lower surface is contacted with a thrust block (10), a spring (11) is arranged below the thrust block (10), and the thrust block (10) is pushed by the tension of the spring (11) to be transmitted to the adjusting ring (9), so that the automatic clearance compensation is realized.
2. The automatic clearance compensation three-row column type slewing bearing according to claim 1, wherein: the upper row of rolling bodies (3), the middle row of rolling bodies (6) and the lower row of rolling bodies (7) are all arranged in a roller path between the outer ring and the inner ring (5) through a retainer.
3. The automatic clearance compensation three-row column type slewing bearing according to claim 1, wherein: the rolling bodies are of a roller type structure.
4. The automatic clearance compensation three-row column type slewing bearing according to claim 1, wherein: the raceway between the inner ring (5) and the outer ring is of a three-row structure.
5. The automatic clearance compensation three-row column type slewing bearing according to claim 1, wherein: the oil hole (2) can be arranged on any surface of the outer ring or the inner ring (5) according to requirements.
6. The automatic clearance compensation three-row column type slewing bearing according to claim 1, wherein: the bottom of the thrust block (10) is provided with a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704900.2U CN210164794U (en) | 2019-05-17 | 2019-05-17 | Three-row column type slewing bearing capable of automatically compensating clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704900.2U CN210164794U (en) | 2019-05-17 | 2019-05-17 | Three-row column type slewing bearing capable of automatically compensating clearance |
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| Publication Number | Publication Date |
|---|---|
| CN210164794U true CN210164794U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920704900.2U Active CN210164794U (en) | 2019-05-17 | 2019-05-17 | Three-row column type slewing bearing capable of automatically compensating clearance |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734735A (en) * | 2020-07-03 | 2020-10-02 | 中国铁建重工集团股份有限公司 | Outer ring of main bearing of tunneling machine and main bearing of tunneling machine |
| CN111749981A (en) * | 2020-07-03 | 2020-10-09 | 中国铁建重工集团股份有限公司 | Shield constructs owner bearing and outer lane thereof |
| CN114483776A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembling method thereof |
| CN114483775A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Slewing bearing and assembling method thereof |
| CN114857168A (en) * | 2022-05-11 | 2022-08-05 | 中铁工程装备集团有限公司 | Main bearing of heading machine |
| CN114962459A (en) * | 2022-06-30 | 2022-08-30 | 中国铁建股份有限公司 | Tunneling machine main bearing and matching processing method of outer ring raceway surface and thin-wall ring piece of tunneling machine main bearing |
-
2019
- 2019-05-17 CN CN201920704900.2U patent/CN210164794U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734735A (en) * | 2020-07-03 | 2020-10-02 | 中国铁建重工集团股份有限公司 | Outer ring of main bearing of tunneling machine and main bearing of tunneling machine |
| CN111749981A (en) * | 2020-07-03 | 2020-10-09 | 中国铁建重工集团股份有限公司 | Shield constructs owner bearing and outer lane thereof |
| CN114483776A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembling method thereof |
| CN114483775A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Slewing bearing and assembling method thereof |
| CN114483776B (en) * | 2022-01-28 | 2023-10-24 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembly method thereof |
| CN114857168A (en) * | 2022-05-11 | 2022-08-05 | 中铁工程装备集团有限公司 | Main bearing of heading machine |
| CN114857168B (en) * | 2022-05-11 | 2024-01-05 | 中铁工程装备集团有限公司 | Main bearing of heading machine |
| CN114962459A (en) * | 2022-06-30 | 2022-08-30 | 中国铁建股份有限公司 | Tunneling machine main bearing and matching processing method of outer ring raceway surface and thin-wall ring piece of tunneling machine main bearing |
| CN114962459B (en) * | 2022-06-30 | 2023-12-15 | 中国铁建股份有限公司 | Main bearing of heading machine and matching processing method of outer ring raceway surface of main bearing of heading machine and thin-wall ring piece |
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