CN106704354B - Rolling knuckle bearing - Google Patents
Rolling knuckle bearing Download PDFInfo
- Publication number
- CN106704354B CN106704354B CN201710039948.1A CN201710039948A CN106704354B CN 106704354 B CN106704354 B CN 106704354B CN 201710039948 A CN201710039948 A CN 201710039948A CN 106704354 B CN106704354 B CN 106704354B
- Authority
- CN
- China
- Prior art keywords
- retainer
- main body
- shaft
- holes
- 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
Classifications
-
- 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
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
-
- 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
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0604—Construction of the male part
- F16C11/0609—Construction of the male part made from two or more parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The utility model discloses a rolling joint bearing, which comprises a main body, wherein a retainer is arranged in the main body, a mounting shaft is vertically arranged in the retainer, front and rear longitudinal shaft pin holes are correspondingly arranged on the main body, and left and right bearing seat holes and front and rear bearing seat holes which are distributed in a cross symmetry manner are arranged in the horizontal direction of the retainer; the utility model can be four-bearing linkage or three-bearing linkage, the bearing adopts the contact of the needle roller and the raceway surface, and the needle roller movement is used for replacing the surface contact sliding of the original product, so that the friction coefficient is greatly reduced, the abrasion is reduced, the movement precision is ensured, and the service life of the product is prolonged.
Description
Technical Field
The utility model relates to a joint bearing used for products such as engineering machinery, automation equipment, parallel robot arms and the like, in particular to a rolling joint bearing.
Background
The existing universal joint bearing is a spherical sliding bearing, and mainly comprises an inner ring with an outer spherical surface and an outer ring with an inner spherical surface, wherein the friction resistance between the inner spherical surface and the outer spherical surface is large, and the abrasion of a moving contact surface is serious under the working conditions of high speed, heavy load and the like, so that the working precision and the moving stability are affected. At present, WO2007037311A1 proposes a novel spherical bearing, which replaces spherical sliding by rolling of steel balls and is matched with a retainer with uniform pores, so that friction resistance is reduced, but the steel balls are in point contact, abrasion is easy to occur, the retainer is not reset in time, and therefore dislocation occurs to influence normal swinging of products.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the rolling joint bearing which can improve and enhance the stability of swinging motion and reduce friction resistance.
The technical scheme adopted for solving the technical problems is as follows:
the rolling joint bearing comprises a main body, wherein a retainer is arranged in the main body, a mounting shaft is vertically arranged in the retainer, front and rear longitudinal shaft pin holes are correspondingly arranged on the main body, and left and right bearing seat holes and front and rear bearing seat holes which are distributed in a cross symmetry manner are arranged in the horizontal direction of the retainer; the left bearing seat hole, the right bearing seat hole, the front bearing seat hole and the rear bearing seat hole are respectively internally provided with a rolling bearing, the lower end of the mounting shaft is provided with a shaft pin hole, a long shaft pin penetrates through the left bearing seat hole and the right bearing seat hole of the retainer and the shaft pin hole of the mounting shaft to connect the retainer with the mounting shaft, a front short shaft pin penetrates through the front longitudinal shaft pin hole on the main body and the front bearing seat hole on the retainer, and a rear short shaft pin penetrates through the rear longitudinal shaft pin hole on the main body and the rear bearing seat hole on the retainer to connect the retainer with the main body;
the other rolling joint bearing comprises a main body, wherein a retainer is arranged in the main body, a mounting shaft is vertically arranged in the retainer, front and rear longitudinal shaft pin holes which are correspondingly arranged are formed in the main body, rolling bearings are respectively arranged in the front and rear longitudinal shaft pin holes, left and right bearing seat holes and front and rear bearing seat holes which are symmetrically distributed in a cross manner are formed in the horizontal direction of the retainer, a shaft pin hole is formed in the lower end of the mounting shaft, the rolling bearings are arranged in the shaft pin hole, a long shaft pin penetrates through the left and right bearing seat holes of the retainer and the shaft pin hole of the mounting shaft, the retainer and the mounting shaft are connected together, a front short shaft pin penetrates through the front longitudinal shaft pin hole in the main body and the front bearing seat hole in the retainer, and a rear short shaft pin penetrates through the rear longitudinal shaft pin hole in the main body and the rear bearing seat hole in the retainer to connect the retainer and the main body together;
as an improvement of the above embodiment, the main body is provided with a mounting hole which can be connected with the fixing component; the number of the mounting holes is 4, and the mounting holes are symmetrically arranged on the upper surface of the main body in a cross shape;
as a further improvement of the above embodiment, the upper end of the mounting shaft is provided with a mounting thread which can be fixedly connected with the moving part;
the rolling bearing is an outer ring needle roller bearing;
further, the axes of the front short shaft pin, the rear short shaft pin and the long shaft pin are in the same plane and are mutually perpendicular; the axis of the mounting shaft intersects the axes of the front and rear stub pins and the long pin.
The beneficial effects of the utility model are as follows: when the product is used, the main body is connected to the fixed part, and the installation shaft is connected to the moving part; the installation shaft is installed in the main body by adopting a universal joint mechanism, so that the installation shaft can swing at will within a set range. The utility model can be four-bearing linkage or three-bearing linkage, the bearing adopts the contact of the needle roller and the raceway surface, and the needle roller movement is used for replacing the surface contact sliding of the original product, so that the friction coefficient is greatly reduced, the abrasion is reduced, the movement precision is ensured, and the service life of the product is prolonged.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a structural exploded view of the present utility model;
FIG. 3 is a schematic view of a second embodiment of the present utility model;
fig. 4 is a split view of the structure of fig. 3.
Detailed Description
Referring to fig. 1 and 2, a four-bearing linkage type rolling joint bearing comprises a main body 1, wherein a retainer 2 is arranged in the main body 1, a mounting shaft 3 is vertically arranged in the retainer 2, front and rear longitudinal shaft pin holes 11 and 12 are correspondingly arranged on the main body 1, and left and right bearing seat holes 91 and 92 and front and rear bearing seat holes 93 and 94 which are symmetrically distributed in a cross shape are arranged in the horizontal direction of the retainer 2; the rolling bearings 4 are installed in the left and right bearing block holes 91, 92 and the front and rear bearing block holes 93, 94, the lower end of the installation shaft 3 is provided with a shaft pin hole 31, the long shaft pin 6 passes through the left and right bearing block holes 91, 92 of the retainer 2 and the shaft pin hole 31 of the installation shaft 3 to connect the retainer 2 and the installation shaft 3 together, the front short shaft pin 51 passes through the front longitudinal shaft pin hole 11 on the main body 1 and the front bearing block hole 93 on the retainer 2, and the rear short shaft pin 52 passes through the rear longitudinal shaft pin hole 12 on the main body 1 and the rear bearing block hole 94 on the retainer 2 to connect the retainer 2 and the main body 1 together. After the installation, the installation shaft 3 can swing arbitrarily within a set range.
Referring to fig. 3 and 4, a three-bearing-linkage type rolling joint bearing comprises a main body 1, wherein a retainer 2 is arranged in the main body 1, a mounting shaft 3 is vertically arranged in the retainer 2, front and rear longitudinal shaft pin holes 11 and 12 which are correspondingly arranged are arranged on the main body 1, rolling bearings 4 are arranged in the front and rear longitudinal shaft pin holes 11 and 12, left and right bearing seat holes 91 and 92 and front and rear bearing seat holes 93 and 94 which are distributed in a cross symmetry manner are arranged in the horizontal direction of the retainer 2, a shaft pin hole 31 is arranged at the lower end of the mounting shaft 3, a rolling bearing 7 is arranged in the shaft pin hole 31, a long shaft pin 6 passes through the left and right bearing seat holes 91 and 92 of the retainer 2 and the shaft pin hole 31 of the mounting shaft 3, the retainer and the mounting shaft 3 are connected together, a front shaft pin 51 passes through the front longitudinal shaft pin hole 11 on the main body 1 and the front bearing seat hole 93 on the retainer 2, and a rear shaft pin 52 passes through the rear longitudinal shaft pin hole 12 on the retainer 2 and the rear bearing seat hole 94 on the retainer 2, and the retainer 2 is connected with the main body 1. After the installation, the installation shaft 3 can swing arbitrarily within a set range.
This product is in order to be convenient to connect main part 1 and fixed part, be provided with the mounting hole 8 that can be connected with fixed part on the main part 1, in addition, mounting hole 8 is 4, is the cross symmetry setting at the upper surface of main part 1.
In order to enable the installation shaft 3 to be connected with a moving part, the upper end of the installation shaft 3 is provided with an installation thread 32 which can be fixedly connected with the moving part.
Meanwhile, the rolling bearing used by the product is an outer ring needle roller bearing, the friction coefficient between parts is greatly reduced, abrasion is reduced, movement precision is guaranteed, and meanwhile, the service life is prolonged.
In order to ensure the stability of the swinging movement of the mounting shaft 3, the front and rear short axis pins 51, 52 are in the same plane as the axis of the long axis pin 6 and are perpendicular to each other; at the same time, the axis of the mounting shaft 3 intersects the axes of the front and rear stub pins 51, 52 and the long shaft pin 6.
When the product is used, the main body 1 is connected to a fixed part, and the installation shaft 3 is connected to a moving part; the mounting shaft 3 is mounted in the main body 1 using a universal joint mechanism so that the mounting shaft 3 can swing arbitrarily within a set range. The utility model can be four-bearing linkage or three-bearing linkage, the bearing 4 adopts the contact of the needle roller and the raceway surface, and the needle roller movement is used for replacing the surface contact sliding of the original product, thus greatly reducing the friction coefficient, reducing the abrasion, ensuring the movement precision and prolonging the service life of the product.
The present utility model is not limited to the above embodiments, but can be implemented by any similar or identical means.
Claims (7)
1. A rolling knuckle bearing comprising a main body (1), characterized in that: the novel bearing is characterized in that a retainer (2) is arranged in the main body (1), an installation shaft (3) is vertically installed in the retainer (2), front and rear longitudinal shaft pin holes (11, 12) which are correspondingly arranged are formed in the main body (1), rolling bearings (4) are installed in the front and rear longitudinal shaft pin holes (11, 12), left and right bearing seat holes (91, 92) and front and rear bearing seat holes (93, 94) which are distributed in a cross symmetry mode are formed in the horizontal direction of the retainer (2), shaft pin holes (31) are formed in the lower end of the installation shaft (3), rolling bearings (7) are installed in the shaft pin holes (31), long shaft pins (6) penetrate through the left and right bearing seat holes (91, 92) of the retainer (2) and the shaft pin holes (31) of the installation shaft (3), the retainer is connected with the installation shaft (3), front short shaft pins (51) penetrate through the front longitudinal shaft pin holes (11) on the main body (1) and the front bearing seat holes (93) on the retainer (2), and rear shaft pins (52) penetrate through the rear longitudinal shaft pin holes (12) on the main body (1) and the retainer (2) and are connected with the retainer (2).
2. A rolling knuckle bearing according to claim 1, characterized in that: the main body (1) is provided with a mounting hole (8) which can be connected with the fixing part.
3. A rolling knuckle bearing according to claim 2, characterized in that: the number of the mounting holes (8) is 4, and the mounting holes are symmetrically arranged on the upper surface of the main body (1) in a cross shape.
4. A rolling knuckle bearing according to claim 1, characterized in that: the upper end of the mounting shaft (3) is provided with a mounting thread (32) which can be fixedly connected with the moving part.
5. A rolling knuckle bearing according to claim 1, characterized in that: the rolling bearing is an outer ring needle roller bearing.
6. A rolling knuckle bearing according to claim 1, characterized in that: the axes of the front and rear short axis pins (51, 52) and the long axis pin (6) are in the same plane and are perpendicular to each other.
7. A rolling knuckle bearing according to claim 1, characterized in that: the axis of the mounting shaft (3) intersects the axes of the front and rear stub pins (51, 52) and the long shaft pin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039948.1A CN106704354B (en) | 2017-01-20 | 2017-01-20 | Rolling knuckle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039948.1A CN106704354B (en) | 2017-01-20 | 2017-01-20 | Rolling knuckle bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704354A CN106704354A (en) | 2017-05-24 |
| CN106704354B true CN106704354B (en) | 2023-07-25 |
Family
ID=58907027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039948.1A Active CN106704354B (en) | 2017-01-20 | 2017-01-20 | Rolling knuckle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704354B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB889700A (en) * | 1958-11-13 | 1962-02-21 | Daimler Benz Ag | Improvements relating to ball joints |
| FR2600730A1 (en) * | 1986-06-24 | 1987-12-31 | Renault | Constant velocity joint comprising an element carrying planar sliding surfaces |
| CN1460582A (en) * | 2002-05-15 | 2003-12-10 | 株式会社神户制钢所 | Cutting device |
| CN203809527U (en) * | 2014-02-14 | 2014-09-03 | 青岛汇智机器人有限公司 | Cross universal joint of parallel robot |
| CN104389899A (en) * | 2014-10-13 | 2015-03-04 | 北京控制工程研究所 | Preloaded rolling joint bearing |
| CN206468686U (en) * | 2017-01-20 | 2017-09-05 | 广东高新凯特精密机械股份有限公司 | One kind rolls oscillating bearing |
-
2017
- 2017-01-20 CN CN201710039948.1A patent/CN106704354B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB889700A (en) * | 1958-11-13 | 1962-02-21 | Daimler Benz Ag | Improvements relating to ball joints |
| FR2600730A1 (en) * | 1986-06-24 | 1987-12-31 | Renault | Constant velocity joint comprising an element carrying planar sliding surfaces |
| CN1460582A (en) * | 2002-05-15 | 2003-12-10 | 株式会社神户制钢所 | Cutting device |
| CN203809527U (en) * | 2014-02-14 | 2014-09-03 | 青岛汇智机器人有限公司 | Cross universal joint of parallel robot |
| CN104389899A (en) * | 2014-10-13 | 2015-03-04 | 北京控制工程研究所 | Preloaded rolling joint bearing |
| CN206468686U (en) * | 2017-01-20 | 2017-09-05 | 广东高新凯特精密机械股份有限公司 | One kind rolls oscillating bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704354A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204567681U (en) | Anti-side rolling torsion rod on guideway vehicle and ball hinged support assembly set | |
| CN104960540A (en) | Railway vehicle and joint connector thereof | |
| CN106704354B (en) | Rolling knuckle bearing | |
| CN110513399B (en) | Structure for realizing self-aligning capability of sliding thrust bearing | |
| CN206468686U (en) | One kind rolls oscillating bearing | |
| CN204610579U (en) | A kind of disk bearing for armchair seat rotating mechanism | |
| CN201046459Y (en) | Balancing hydraulic cylinder for supporting worker rollers of rolling mill | |
| CN205446410U (en) | Self -lubricating ball spacing block of flexible bearing | |
| CN211501324U (en) | Polyurethane joint bearing | |
| CN214698789U (en) | Self-aligning roller bearing | |
| CN104121286A (en) | Self-aligning ball bearing | |
| CN213954187U (en) | Three-ball pin structure | |
| CN205036719U (en) | Swing arm shaft bearing formula twisting resistance roller cage shoe | |
| CN211901271U (en) | Three-row ball roller swing rod bearing | |
| CN210458924U (en) | Universal corner ball-shaped support | |
| CN209781464U (en) | Super large diameter's low friction spherical joint bearing | |
| CN203796895U (en) | Worm gear combination slewing bearing | |
| CN203441971U (en) | Self-aligning ball bearing | |
| CN204099396U (en) | Gearbox bulb spherical plain bearing rod end | |
| CN202301439U (en) | Reciprocating oscillating four-point contact ball slewing bearing | |
| CN204239506U (en) | The two throw of eccentric rzeppa universal joint of a kind of eight raceway groove centre ofs sphere | |
| CN201037504Y (en) | Roller bearing for guide rail | |
| CN205331203U (en) | Knuckle bearing | |
| CN106122276B (en) | A kind of bearing | |
| CN204127120U (en) | A kind of rolling bearing retainer and rolling bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 529100 No. 19 Bei'an North Road, Xinhui District, Jiangmen, Guangdong Applicant after: Ximai International Medical Co.,Ltd. Address before: 529100 No. 19 Bei'an North Road, Xinhui District, Jiangmen, Guangdong Applicant before: GUANGDONG GAOXIN HEIGHT PRECISION MACHINE CO.,LTD. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211116 Address after: 529100 No. 11, Yinhai Avenue South, Huicheng, Xinhui District, Jiangmen City, Guangdong Province (Information Declaration System) Applicant after: GUANGDONG KAITE PRECISION MACHINERY Co.,Ltd. Address before: 529100 No. 19, North an road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province Applicant before: Ximai International Medical Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |