CN203809527U - Cross universal joint of parallel robot - Google Patents
Cross universal joint of parallel robot Download PDFInfo
- Publication number
- CN203809527U CN203809527U CN201420066606.0U CN201420066606U CN203809527U CN 203809527 U CN203809527 U CN 203809527U CN 201420066606 U CN201420066606 U CN 201420066606U CN 203809527 U CN203809527 U CN 203809527U
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- cross
- universal joint
- steering gear
- hydraulic steering
- gear adopting
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Abstract
The utility model discloses a cross universal joint of a parallel robot. The cross universal joint comprises an upper cross block (1), a cross frame (2), a lower cross block (6), a bearing (3), a cross shaft (4) and a screw (5). The cross universal joint is characterized in that the upper cross block (1) is connected with the lower cross block (6) in a staggered mode; the bearing (3) and the cross shaft (4) are assembled into a whole to be embedded into a cross block hole through a circular shaft hole which is formed in the outer side of the cross frame (2); the bearing (3) and the cross shaft (4) are fixed in the cross frame (2) through the screw (5). According to the cross universal joint of the parallel robot, the integral structure is simple and accordingly the manufacturing cost can be reduced; the assembly process is simplified and accordingly assembly and detachment are convenient; the structure that the upper cross block is connected with the lower cross block in a staggered mode can adapt to high strength operation for a long time and accordingly he service life is long.
Description
Technical field
The invention belongs to industrial sorting machine people's technical field, be specifically related to a kind of parallel robot universal joint cross.
Background technique
Universal joint refers to devices such as utilizing ball-type to realize the axle power output of different direction, is in mechanical field one very vitals.The structure of universal joint and effect are a little as the joint in human limb, and the angle between the part that it allows to be connected changes within the specific limits.
At present, the universal driving device adopting in China's machinery industry field is generally made up of universal joint and transmission shaft, according to the different structure of adopted universal joint, universal driving device can be divided into and mainly contains Cardon universal joint, twin, curved grooved type and Rzeppa type universal driving device.Wherein cross-axle universal shaft transmission device is simple in structure because of it, and reliable operation, transmission efficiency is high is widely used.
The universal joint adopting now with the transmittance process of axle in be translation friction, easily produce higher heat, cause both matching gaps to become large, actual reliability and the transmission efficiency using of impact; And the universal joint complicated integral structure adopting in existing robot, assembly and disassembly is more loaded down with trivial details.Therefore improve significant to parallel robot universal joint cross.
Summary of the invention
The object of this invention is to provide a kind of parallel robot universal joint cross, make overall structure simple, assembly and disassembly is more convenient.
To achieve these goals, the technical solution that the present invention takes is:
A kind of parallel robot universal joint cross, comprise hydraulic steering gear adopting cross piece (1), cross frame (2), lower hydraulic steering gear adopting cross piece (6), bearing (3), cross axle (4), screw (5), it is characterized in that, described upper hydraulic steering gear adopting cross piece (1) and lower hydraulic steering gear adopting cross piece (6) are cross-linked, bearing (3) and cross axle (4) are assembled into after one, circular axis hole by cross frame (2) outside embeds in hydraulic steering gear adopting cross piece hole, and described bearing (3) and cross axle (4) are fixed in cross frame (2) by screw (5).
Described upper hydraulic steering gear adopting cross piece (1) is hollow cylinder, and two outsides are intercepted rectangularity interface, and its end portion has been opened two circular holes by rectangular interface, and the part of two center of circular hole axis both sides is truncated to circular arc.
The hollow square body that described (2) four angles of cross frame are arc.
The central position of four square dignity of described cross frame (2) is respectively provided with 1 circular axis hole.
Described screw (5) is arranged on the lower end, left side of cross axle (4).
Length between described upper hydraulic steering gear adopting cross piece (1) rectangular outer boundary and the inside diameter of cross frame (2) fit.
Described upper hydraulic steering gear adopting cross piece (1) is identical with lower hydraulic steering gear adopting cross piece (6) shape, is symplex structure.
The circular hole internal diameter of described hydraulic steering gear adopting cross piece (1) lower end agrees with mutually with the diameter of axle of cross axle (4).
Beneficial effect of the present invention is:
1, universal joint cross overall structure of the present invention is simple, is conducive to reduce manufacture cost.
2, simplify assembly process, assembly and disassembly is convenient.
3, the structure that on universal joint, hydraulic steering gear adopting cross piece and lower hydraulic steering gear adopting cross piece are cross-linked, can adapt to high strength running, long service life for a long time.
4, screw has the effect that regulates bearing axial clearance and place bearing axial float.
Brief description of the drawings
Accompanying drawing 1 is perspective view of the present invention.
Accompanying drawing 2 is front view of the present invention.
Accompanying drawing 3 is the E-E sectional drawing of cross frame in the present invention.
Wherein, 1, hydraulic steering gear adopting cross piece; 2, cross frame; 3, bearing; 4, cross axle; 5, screw; 6, lower hydraulic steering gear adopting cross piece.
Embodiment
Below in conjunction with Fig. 1, the present invention is further described.
A kind of parallel robot universal joint cross, comprise hydraulic steering gear adopting cross piece 1, cross frame 2, lower hydraulic steering gear adopting cross piece 6, bearing 3, cross axle 4, screw 5, it is characterized in that, described upper hydraulic steering gear adopting cross piece 1 and lower hydraulic steering gear adopting cross piece 6 are cross-linked, bearing 3 and cross axle 4 are assembled into after one, circular axis hole by cross frame 2 outsides embeds in hydraulic steering gear adopting cross piece hole, and described bearing 3 and cross axle 4 are fixed in cross frame 2 by screw 5.
Described upper hydraulic steering gear adopting cross piece 1 is hollow cylinder, and two outsides are intercepted rectangularity interface, and its end portion has been opened two circular holes by rectangular interface, and the part of two center of circular hole axis both sides is truncated to circular arc.
The hollow square body that described 2 four angles of cross frame are arc.
The central position of four square dignity of described cross frame 2 is respectively provided with 1 circular axis hole.
Described screw 5 is arranged on the lower end, left side of cross axle 4.
Length between described upper hydraulic steering gear adopting cross piece 1 rectangular outer boundary and the inside diameter of cross frame 2 fit.
Described upper hydraulic steering gear adopting cross piece 1 is identical with lower hydraulic steering gear adopting cross piece 6 shapes, is symplex structure.
The circular hole internal diameter of described hydraulic steering gear adopting cross piece 1 lower end agrees with mutually with the diameter of axle of cross axle 4.
Concrete installation process is:
When installation, first bearing 3 and cross axle 4 are assembled into one, upper hydraulic steering gear adopting cross piece 1 and lower hydraulic steering gear adopting cross piece 6 are cross-linked, circular axis hole on 4 circular holes and cross frame 2 is positioned on same horizontal line, the assembly of bearing 3 and cross axle 4 is embedded from the circular axis hole in cross frame 2 outsides, with screw 5, cross frame 2 is fixed, completed assembling.
The above is only in order to illustrate the present invention and unrestricted technological scheme described in the invention, and still, those of ordinary skill in the art should be appreciated that and still can modify or be equal to replacement the present invention; And all do not depart from technological scheme and the improvement thereof of the spirit and scope of invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. a parallel robot universal joint cross, comprise hydraulic steering gear adopting cross piece (1), cross frame (2), lower hydraulic steering gear adopting cross piece (6), bearing (3), cross axle (4), screw (5), it is characterized in that, described upper hydraulic steering gear adopting cross piece (1) and lower hydraulic steering gear adopting cross piece (6) are cross-linked, bearing (3) and cross axle (4) are assembled into after one, circular axis hole by cross frame (2) outside embeds in hydraulic steering gear adopting cross piece hole, and described bearing (3) and cross axle (4) are fixed in cross frame (2) by screw (5).
2. a kind of parallel robot universal joint cross according to claim 1, it is characterized in that, described upper hydraulic steering gear adopting cross piece (1) is hollow cylinder, two outsides are intercepted rectangularity interface, its end portion has been opened two circular holes by rectangular interface, and the part of two center of circular hole axis both sides is truncated to circular arc.
3. a kind of parallel robot universal joint cross according to claim 1, is characterized in that, the hollow square body that described (2) four angles of cross frame are arc.
4. a kind of parallel robot universal joint cross according to claim 1, is characterized in that, the central position of four square dignity of described cross frame (2) is respectively provided with 1 circular axis hole.
5. a kind of parallel robot universal joint cross according to claim 1, is characterized in that, described screw (5) is arranged on the lower end, left side of cross axle (4).
6. a kind of parallel robot universal joint cross according to claim 1, is characterized in that, the length between described upper hydraulic steering gear adopting cross piece (1) rectangular outer boundary and the inside diameter of cross frame (2) fit.
7. a kind of parallel robot universal joint cross according to claim 1, is characterized in that, described upper hydraulic steering gear adopting cross piece (1) is identical with lower hydraulic steering gear adopting cross piece (6) shape, is symplex structure.
8. a kind of parallel robot universal joint cross according to claim 1, is characterized in that, the circular hole internal diameter of described hydraulic steering gear adopting cross piece (1) lower end agrees with mutually with the diameter of axle of cross axle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066606.0U CN203809527U (en) | 2014-02-14 | 2014-02-14 | Cross universal joint of parallel robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066606.0U CN203809527U (en) | 2014-02-14 | 2014-02-14 | Cross universal joint of parallel robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809527U true CN203809527U (en) | 2014-09-03 |
Family
ID=51448284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420066606.0U Expired - Fee Related CN203809527U (en) | 2014-02-14 | 2014-02-14 | Cross universal joint of parallel robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809527U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807310A (en) * | 2014-02-14 | 2014-05-21 | 青岛汇智机器人有限公司 | Cross-shaped universal joint of parallel robot |
| CN105276016A (en) * | 2015-12-02 | 2016-01-27 | 吉林东光集团有限公司 | Multi-transmission universal joint |
| CN106704354A (en) * | 2017-01-20 | 2017-05-24 | 广东高新凯特精密机械股份有限公司 | Roll joint bearing |
| CN108138833A (en) * | 2015-10-22 | 2018-06-08 | Thk株式会社 | The joint structure of Hooks coupling universal coupling and robot |
| CN112846853A (en) * | 2021-01-08 | 2021-05-28 | 万向钱潮股份有限公司 | Universal cross shaft V-shaped supporting and positioning tool |
-
2014
- 2014-02-14 CN CN201420066606.0U patent/CN203809527U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807310A (en) * | 2014-02-14 | 2014-05-21 | 青岛汇智机器人有限公司 | Cross-shaped universal joint of parallel robot |
| CN108138833A (en) * | 2015-10-22 | 2018-06-08 | Thk株式会社 | The joint structure of Hooks coupling universal coupling and robot |
| CN108138833B (en) * | 2015-10-22 | 2020-08-25 | Thk株式会社 | Universal coupling and joint structure of robot |
| CN105276016A (en) * | 2015-12-02 | 2016-01-27 | 吉林东光集团有限公司 | Multi-transmission universal joint |
| CN105276016B (en) * | 2015-12-02 | 2017-10-24 | 吉林东光集团有限公司 | A kind of many driving universal joints |
| CN106704354A (en) * | 2017-01-20 | 2017-05-24 | 广东高新凯特精密机械股份有限公司 | Roll joint bearing |
| CN106704354B (en) * | 2017-01-20 | 2023-07-25 | 广东凯特精密机械有限公司 | Rolling knuckle bearing |
| CN112846853A (en) * | 2021-01-08 | 2021-05-28 | 万向钱潮股份有限公司 | Universal cross shaft V-shaped supporting and positioning tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266000 No. 1, Kam Yip Road, hi tech Zone, Shandong, Qingdao Patentee after: QINGDAO PHAESTUS IS ENGINEERING CO., LTD. Address before: 266000 No. 1, Kam Yip Road, hi tech Zone, Shandong, Qingdao Patentee before: QINGDAO HUIZHI ROBOT CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20180214 |