CN110410421B - Combined slewing bearing - Google Patents
Combined slewing bearing Download PDFInfo
- Publication number
- CN110410421B CN110410421B CN201910811243.6A CN201910811243A CN110410421B CN 110410421 B CN110410421 B CN 110410421B CN 201910811243 A CN201910811243 A CN 201910811243A CN 110410421 B CN110410421 B CN 110410421B
- Authority
- CN
- China
- Prior art keywords
- ring plate
- upper cover
- cover ring
- spout
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/50—Other types of ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses a combined rotary bearing in the field of bearing assemblies, which comprises a movable outer ring, an upper cover ring plate and a lower cover ring plate, wherein grooves are symmetrically formed in the upper surface and the lower surface of the movable outer ring, a plurality of rollers are uniformly arranged between the upper sliding groove and the lower sliding groove on two sides of the movable outer ring, the rollers are arranged in a retainer, a plurality of countersunk holes are formed in the surface of the upper cover ring plate, a plurality of limit posts are uniformly arranged on one side surface of the lower cover ring plate, which is close to the movable outer ring, countersunk bolts penetrate through the countersunk holes, the size is small, the structure is simple, the maintenance efficiency is high, the integral bearing capacity and the overturning bearing capacity of the rotary bearing are increased, the sealing effect is achieved, and the service life is long.
Description
Technical Field
The invention relates to the technical field of bearing assemblies, in particular to a combined rotary bearing.
Background
The slewing bearing is a large-scale bearing capable of bearing comprehensive load and can bear larger axial and radial loads and overturning moment. The existing slewing bearing has the defects that the overturning bearing capacity cannot meet the requirements of customers, when the same angle is adopted, the rollers are easy to incline and cross due to different linear speeds, friction is increased, heat is generated, and burns are generated seriously; in addition, the existing slewing bearing roller is weak in overall bearing capacity, large in occupied space and poor in rotation flexibility, so that the service life of the slewing bearing is influenced. The maintenance rate and the maintenance cost are low, and the service life is long; but still is only suitable for large-scale slewer, and is bulky, and is little to load classification involving range, can not be used to microminiature product.
Based on this, the present invention has devised a combined slew bearing to solve the above-mentioned problems.
Disclosure of Invention
The present invention is directed to a combined rotary bearing to solve the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a combination swivel bearing, includes movable outer lane, upper cover circle board and lower cover circle board, the upper and lower surface symmetry of movable outer lane is opened flutedly, upper cover circle board and lower cover circle board are located the upper and lower side of movable outer lane respectively, the outward flange of upper cover circle board and the outward flange of lower cover circle board all are equipped with respectively with last chimb and last spout and lower chimb and the lower spout of recess looks adaptation, lie in the top the inclined plane of recess all opens with the inclined plane of last chimb has last spout, lie in the below the inclined plane of recess all opens with the inclined plane of lower chimb has lower spout, both sides go up between the spout and down the spout evenly is equipped with a plurality of rollers, a plurality of the roller range sets up in the holder, the surface of upper cover circle board is opened and is had a plurality of countersunk holes, down cover circle board is close to evenly be equipped with a plurality of spacing posts on a side of movable outer lane, countersunk hole is interior to run through and is had countersunk bolt's bottom in the cavity of movable outer lane to be connected with spacing post.
Preferably, the inclined surface of the groove is the same as the inclined surface of the upper convex edge, and the inclined surface of the groove is the same as the inclined surface of the lower convex edge.
Preferably, the number of the counter bores is the same as the number of the limit posts.
Preferably, the groove is trapezoidal in shape.
Preferably, the vertical surfaces of the grooves are respectively provided with a sealing chute, and the peripheral walls of the upper cover ring plate and the lower cover ring plate are provided with sealing sliding strips matched with the sealing chutes
Preferably, the inner wall of the limit post is provided with an internal thread which is matched with the external thread of the countersunk head bolt.
Preferably, when the bottom end of the countersunk head bolt contacts with the lowest end of the inner cavity of the limiting column, a certain gap exists between the upper cover ring plate and the movable outer ring as well as between the lower cover ring plate and the movable outer ring.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has small volume and simple structure, can be provided with tiny products through the movable outer ring, and the countersunk head screw penetrates through the countersunk head hole arranged on the upper cover ring plate to be connected with the limit post on the lower cover ring plate so as to lock the upper end cover and the lower end cover, thereby having high maintenance efficiency and long service life;
2. the invention designs the angled roller between the upper end cover, the lower end cover and the movable outer ring, increases the integral bearing capacity and the overturning bearing capacity of the slewing bearing, occupies small space, saves materials, has high precision, rotates stably, has small end face runout, and can easily generate oblique transverse rolling of the roller and increase friction under the condition of bearing axial load and overturning load, thereby generating heat and burning in serious cases;
3. according to the invention, the sealing sliding groove, the sealing sliding strip and the sealing gasket are arranged, so that the sealing performance is realized, on one hand, the lubricating oil distributed around the roller is prevented from leaking, and on the other hand, foreign matters are prevented from entering the interior of the slewing bearing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a movable outer ring; 101. a groove; 2. an upper cover ring plate; 201. an upper convex edge; 202. an upper chute; 203. a countersunk hole; 3. a lower cover ring plate; 301. a lower convex edge; 302. a lower chute; 303. a limit column; 4. countersunk head bolts; 5. a roller; 6. a retainer; 7. sealing the chute; 8. and a sealing slide bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: a combined rotary bearing comprises a movable outer ring 1, an upper cover ring plate 2 and a lower cover ring plate 3, wherein grooves 101 are symmetrically formed on the upper and lower surfaces of the movable outer ring 1 and are convenient to assemble with the upper cover ring plate 2 and the lower cover ring plate 3, the upper cover ring plate 2 and the lower cover ring plate 3 are respectively positioned above and below the movable outer ring 1, the movable outer ring 1 can be protected through the upper cover ring plate 2 and the lower cover ring plate 3 which are arranged on the movable outer ring 1, and a good bearing effect can be achieved, an upper convex edge 201 and an upper sliding groove 202 which are matched with the grooves 101, a lower convex edge 302 and a lower sliding groove 303 are respectively arranged on the outer edges of the upper cover ring plate 2 and the lower cover ring plate 3, an upper sliding groove 202 is respectively formed on the inclined surface of the grooves 101 and the inclined surface of the upper convex edge 201 which are positioned below, a lower sliding groove 302 is respectively formed on the inclined surface of the grooves 101 and the inclined surface of the lower convex edge 301, A plurality of rollers 5 are uniformly arranged between the upper sliding grooves 202 and the lower sliding grooves 303 on two sides, the whole bearing capacity and the overturning bearing capacity of the slewing bearing are increased by adopting an angle design of the upper sliding grooves 202 and the lower sliding grooves 302, the rollers 5 are arranged in the retainer 6, a plurality of countersunk holes 203 are formed in the surface of the upper cover ring plate 2, a plurality of limit posts 303 are uniformly arranged on one side surface of the lower cover ring plate 3, which is close to the movable outer ring 1, countersunk holes 203 are internally penetrated by countersunk bolts 4, the bottom ends of the countersunk bolts 4 penetrate through the hollow cavity of the movable outer ring 1 and are connected with the limit posts 303, interference or interference with other parts caused by the protrusion of the countersunk bolts 4 and the upper end surface of the upper cover ring plate 2 when the load is installed is avoided by adopting the countersunk bolts 4 to be matched with the countersunk holes 203, the limit posts 303 are screwed and fixed with the limit posts 303 on the lower cover ring plate 3, the assembly of the movable outer ring 1 is completed.
The inclined plane of the groove 101 is the same as the inclined plane of the upper convex edge 201, the inclined plane of the groove 101 is the same as the inclined plane of the lower convex edge 301, the roller 5 can be stably limited, the rolling body moves along the central axial direction when the slewing bearing rotates, the phenomenon that the roller is inclined and crossed easily due to uneven stress on the surface of the roller when the roller is long under the condition of bearing axial load and overturning load is avoided, friction is increased, heat is generated, and burning is generated when serious.
Wherein, the number of the counter sunk holes 203 is the same as the number of the limit posts 303, so that counter sunk bolts 4 with the same number as the counter sunk holes 203 are connected between the counter sunk holes 203 and the limit posts 303.
The groove 101 is in a trapezoid shape, is reasonable in structural design, can be assembled with the upper cover ring plate 2 and the lower cover ring plate 3 in an adaptive mode, occupies small space and is material-saving.
The vertical surfaces of the grooves 101 are provided with sealing sliding grooves 7, the peripheral walls of the upper cover ring plate 2 and the lower cover ring plate 3 are provided with sealing sliding strips 8 matched with the sealing sliding grooves 7, when the movable outer ring 1 rotates, the sealing sliding strips 8 and the sealing sliding grooves 7 can ensure the tightness between the upper cover ring plate 2 and the lower cover ring plate 3 and the movable outer ring under the condition that the movable outer ring 1 rotates, on one hand, the lubricating oil distributed around the rollers 5 is prevented from leaking, foreign matters are prevented from entering the rotary bearing, and in addition, sealing gaskets are arranged between the bolt heads of the countersunk bolts 4 and the countersunk holes 203, so that the tightness can be further ensured.
The inner wall of the limiting post 303 is provided with an internal thread matched with the external thread of the countersunk head bolt 4, and can be in threaded connection with the external thread of the countersunk head bolt 4, so that the upper cover ring plate 2, the lower cover ring plate 3 and the movable outer ring 1 can be rapidly formed.
When the bottom end of the countersunk head bolt 4 contacts with the lowest end of the inner cavity of the limiting column 303, a certain gap exists between the upper cover ring plate 2 and the lower cover ring plate 3 and the movable outer ring 1, so that the movable outer ring 1 can rotate freely.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The utility model provides a combination swivel bearing, includes activity outer lane (1), upper cover circle board (2) and lower cover circle board (3), its characterized in that: the upper and lower surface symmetry of activity outer lane (1) is opened flutedly (101), upper cover circle board (2) and lower cover circle board (3) are located the upper and lower side of activity outer lane (1) respectively, the outward flange of upper cover circle board (2) and the outward flange of lower cover circle board (3) all are equipped with respectively with last chimb (201) and last spout (202) and lower chimb (301) and lower spout (302) of recess (101) looks adaptation, are located the top inclined plane of recess (101) and the inclined plane of last chimb (201) all open and have last spout (202), are located the below inclined plane of recess (101) and the inclined plane of lower chimb (301) all open down spout (302), both sides go up between spout (202) and evenly be equipped with a plurality of rollers (5) between spout (302), a plurality of roller (5) range and set up in holder (6), the surface of upper cover circle board (2) is opened and is had a plurality of counter-sunk holes (203), lower cover board (3) are close to one and run through in hollow stud (4) of spacing stud (303) in the side of activity outer lane (1).
2. A composite slew bearing as claimed in claim 1 wherein: the inclined surface of the groove (101) is the same as the inclined surface of the upper convex edge (201), and the inclined surface of the groove (101) is the same as the inclined surface of the lower convex edge (301).
3. A composite slew bearing as claimed in claim 1 wherein: the number of the counter sunk holes (203) is the same as that of the limit posts (303).
4. A composite slew bearing as claimed in claim 1 wherein: the groove (101) is trapezoidal in shape.
5. A composite slew bearing as claimed in claim 1 wherein: the vertical surfaces of the grooves (101) are respectively provided with a sealing sliding groove (7), and the peripheral walls of the upper cover ring plate (2) and the lower cover ring plate (3) are provided with sealing sliding strips (8) which are matched with the sealing sliding grooves (7).
6. A composite slew bearing as claimed in claim 1 wherein: the inner wall of the limit column (303) is provided with an internal thread which is matched with the external thread of the countersunk head bolt (4).
7. A composite slew bearing as claimed in claim 1 wherein: when the bottom end of the countersunk head bolt (4) is contacted with the lowest end of the inner cavity of the limiting column (303), a certain gap exists between the upper cover ring plate (2), the lower cover ring plate (3) and the movable outer ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811243.6A CN110410421B (en) | 2019-08-30 | 2019-08-30 | Combined slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811243.6A CN110410421B (en) | 2019-08-30 | 2019-08-30 | Combined slewing bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110410421A CN110410421A (en) | 2019-11-05 |
| CN110410421B true CN110410421B (en) | 2024-03-08 |
Family
ID=68369838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910811243.6A Active CN110410421B (en) | 2019-08-30 | 2019-08-30 | Combined slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110410421B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011144899A (en) * | 2010-01-15 | 2011-07-28 | Nsk Ltd | Double row rolling bearing |
| CN102312918A (en) * | 2011-06-14 | 2012-01-11 | 安徽枞晨回转支承有限公司 | Double row oblique cylinder type slewing bearing |
| CN202545571U (en) * | 2012-04-23 | 2012-11-21 | 洛阳新强联回转支承股份有限公司 | Rotary support bearing with double-row thrust conical roller structure |
| CN103429920A (en) * | 2011-03-17 | 2013-12-04 | 谢夫勒科技股份两合公司 | Rolling bearing with a lateral filling opening |
| CN205315487U (en) * | 2015-12-29 | 2016-06-15 | 瓦房店瑞昌轴承制造有限公司 | Modular slewing bearing |
| CN206754153U (en) * | 2017-04-24 | 2017-12-15 | 洛阳隆达轴承有限公司 | A kind of double outer ring floating bearings |
| CN208057699U (en) * | 2018-04-04 | 2018-11-06 | 江苏双正机械有限公司 | A kind of special pivoting support of outer ring internal-gear type |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210423452U (en) * | 2019-08-30 | 2020-04-28 | 温州振中基础工程机械科技有限公司 | Combined slewing bearing |
-
2019
- 2019-08-30 CN CN201910811243.6A patent/CN110410421B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011144899A (en) * | 2010-01-15 | 2011-07-28 | Nsk Ltd | Double row rolling bearing |
| CN103429920A (en) * | 2011-03-17 | 2013-12-04 | 谢夫勒科技股份两合公司 | Rolling bearing with a lateral filling opening |
| CN102312918A (en) * | 2011-06-14 | 2012-01-11 | 安徽枞晨回转支承有限公司 | Double row oblique cylinder type slewing bearing |
| CN202545571U (en) * | 2012-04-23 | 2012-11-21 | 洛阳新强联回转支承股份有限公司 | Rotary support bearing with double-row thrust conical roller structure |
| CN205315487U (en) * | 2015-12-29 | 2016-06-15 | 瓦房店瑞昌轴承制造有限公司 | Modular slewing bearing |
| CN206754153U (en) * | 2017-04-24 | 2017-12-15 | 洛阳隆达轴承有限公司 | A kind of double outer ring floating bearings |
| CN208057699U (en) * | 2018-04-04 | 2018-11-06 | 江苏双正机械有限公司 | A kind of special pivoting support of outer ring internal-gear type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110410421A (en) | 2019-11-05 |
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Address after: 325200 dedication Road, Ruian Economic Development Zone, Wenzhou, Zhejiang Applicant after: WENZHOU ZHENZHONG FOUNDATION ENGINEERING MACHINERY TECHNOLOGY Co.,Ltd. Address before: 325200, Zhejiang, Wenzhou province Ruian Anyang Street 585 Luo Yang Road Applicant before: WENZHOU ZHENZHONG FOUNDATION ENGINEERING MACHINERY TECHNOLOGY Co.,Ltd. |
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Country or region after: China Address after: No. 777, Jingye Road, Rui'an Economic Development Zone, Wenzhou City, Zhejiang Province 325200 Applicant after: WENZHOU ZHENZHONG FOUNDATION ENGINEERING MACHINERY TECHNOLOGY Co.,Ltd. Address before: 325200 Zhejiang Wenzhou Ruian Economic Development Zone dedicated road Applicant before: WENZHOU ZHENZHONG FOUNDATION ENGINEERING MACHINERY TECHNOLOGY Co.,Ltd. Country or region before: China |
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