CN202946524U - Overall rod end joint bearing and delta in-parallel mechanical arm - Google Patents
Overall rod end joint bearing and delta in-parallel mechanical arm Download PDFInfo
- Publication number
- CN202946524U CN202946524U CN 201220675446 CN201220675446U CN202946524U CN 202946524 U CN202946524 U CN 202946524U CN 201220675446 CN201220675446 CN 201220675446 CN 201220675446 U CN201220675446 U CN 201220675446U CN 202946524 U CN202946524 U CN 202946524U
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- CN
- China
- Prior art keywords
- rod end
- mechanical arm
- delta
- end joint
- joint bearing
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses an overall rod end joint bearing which comprises an inner ring and an outer ring with spherical sliding surfaces, wherein the diameter of the connection part between inner hinge pin balls on the inner ring is 5.0-6.0mm. According to the overall rod end joint bearing, the diameter of the connection part between the inner hinge pin balls on the inner ring is reduced, the standard (about 8mm) specified by GB/T9161-2001 is improved and machined to be 5.0-6.0mm, and at this moment the turning angle of the overall rod end joint bearing is larger than 30 degrees or even reach up to +/- 45 degrees (namely 90 degrees), so that the requirements on the structure of a delta in-parallel mechanical arm are met. The delta in-parallel mechanical arm which adopts the overall rod end joint bearing disclosed by the utility model avoids the phenomenon that an internal ball and the outer ring drop off, so that the security and the stability of the delta in-parallel mechanical arm are improved.
Description
Technical field
The utility model relates to the joint shaft bearing technical field, especially whole spherical plain bearing rod end, and delta parallel mechanical arm.
Background technique
Spherical plain bearing rod end is with rod end or is loaded on the joint shaft bearing of rod end, and it belongs to a class in joint shaft bearing.Joint shaft bearing is spherical bearing, generally is comprised of the inside and outside circle with spherical slip surface, can bear larger load.Type and the structure different according to it, can bear radial load, axial load or radially, axial simultaneous joint load.The spherical sliding contact area of joint shaft bearing is large, and the tilt angle is large, therefore, joint shaft bearing is widely used in the lower oscillating motion of speed, banking motion and rotatablely moves, as be applied to engineering hydraulic jack, forging machine tool, engineering machinery, automation equipment, automobile absorber, the industries such as water conservancy machinery.
In GB/T9161-2001, spherical plain bearing rod end there is detailed regulation, it allows that the flip angle maximum can only reach ± 15 ° of i.e. upsets in 30 °, the flip angle of integrated on this basis is also like this, because flip angle is less, can not reach flip angle greater than the usage requirement of the delta parallel mechanical arm of 30 °, can't be applied on the delta parallel mechanical arm.
And existing delta parallel mechanical arm is generally to adopt endosphere and hemispherical groove to be connected to consist of, and this structure has two shortcomings: need custom-made processing, and higher on cost; The structure that needs to add supporting role power comes off mutually to prevent endosphere and hemispherical groove, and the existing subscriber is reflected the dropping situations of the joint hinge of this structure at present.
The model utility content
The utility model proposes a kind of whole spherical plain bearing rod end for deficiency, and its flip angle can satisfy the usage requirement of delta mechanical arm greater than 30 °.Also proposed simultaneously to adopt the delta mechanical arm of this integral body spherical plain bearing rod end, cost is low, and difficult drop-off.
In order to realize above-mentioned model utility the first purpose, the utility model provides following technological scheme: a kind of whole spherical plain bearing rod end, formed by inner ring and the outer ring of spherical slip surface, and the bearing pin endosphere joint diameter on this inner ring is 5.0-6.0mm.
Further, the bearing pin endosphere joint diameter on this inner ring is 5.4mm.
Further, the rod end eye width on this outer ring is made as 4.5-5.5mm.
Further, the rod end eye width on this outer ring is made as 5mm.
In order to realize above-mentioned model utility the second purpose, the utility model provides following technological scheme: a kind of delta parallel mechanical arm comprises above-mentioned whole spherical plain bearing rod end.
Compared with prior art, the utlity model has following advantage: the diameter that reduces the bearing pin endosphere joint on inner ring, GB/T9161-2001 specified standard (approximately 8mm) is improved be machined to 5.0-6.0mm, the flip angle of whole spherical plain bearing rod end is greater than 30 ° at this moment, even can reach ± 45 ° namely 90 °, satisfy the structural requirement of delta parallel mechanical arm.In addition spherical plain bearing rod end is carried out size-modify, increase the rod end eye width on the outer ring, improved to 4.5-5.5mm by GB/T9161-2001 specified standard (4mm), to increase the axial force that bearing was born.
And used the delta parallel mechanical arm of whole spherical plain bearing rod end of the present utility model, and endosphere outer ring dropping situations can not appear, and make delta mechanism hand safety and stability be improved.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail, the description of this part is only exemplary and explanatory, should any restriction not arranged to protection domain of the present utility model.
A kind of whole spherical plain bearing rod end as shown in Figure 1 is comprised of inner ring 2 and the outer ring 1 of spherical slip surface, and rod end eye 11 width B on this outer ring 1 are made as 4.5-5.5mm; Bearing pin endosphere joint 21 diameter A on this inner ring 2 are 5.0-6.0mm.
To adopting the delta parallel mechanical arm of the whole spherical plain bearing rod end of the utility model, and its bearing pin endosphere joint 21 diameter A are 5.4mm, carry out Fatigue test, and process is as follows:
1. load: 0.5kg;
2. mechanical arm run action cycle: 0.8ms;
3. test time: continuous 24 hours * 30 days;
Test result: through after the about cyclic movement of 3,240,000 times, the sphere of the whole spherical plain bearing rod end after improvement and outer ring flawless and noticeable wear vestige can continue use, satisfy the actual operation requirements of delta mechanism hand on precision and intensity fully.
The whole spherical plain bearing rod end of the utility model is on the basis of the strength characteristics that takes full advantage of the par step bearing and antiwear characteristic, make its flip angle can satisfy the usage requirement of delta mechanism hand, in the structure of using on the delta mechanism hand on need not expensive special as existing market and have oneself a advantage.
Claims (5)
1. whole spherical plain bearing rod end is comprised of inner ring and the outer ring of spherical slip surface, it is characterized in that: the bearing pin endosphere joint diameter on this inner ring is 5.0-6.0mm.
2. whole spherical plain bearing rod end as claimed in claim 1 is characterized in that: the bearing pin endosphere joint diameter on this inner ring is 5.4mm.
3. whole spherical plain bearing rod end as claimed in claim 1 or 2, it is characterized in that: the rod end eye width on this outer ring is made as 4.5-5.5mm.
4. whole spherical plain bearing rod end as claimed in claim 3, it is characterized in that: the rod end eye width on this outer ring is made as 5mm.
5. a delta parallel mechanical arm, is characterized in that: comprise whole spherical plain bearing rod end as described in claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675446 CN202946524U (en) | 2012-12-10 | 2012-12-10 | Overall rod end joint bearing and delta in-parallel mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675446 CN202946524U (en) | 2012-12-10 | 2012-12-10 | Overall rod end joint bearing and delta in-parallel mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946524U true CN202946524U (en) | 2013-05-22 |
Family
ID=48422229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675446 Expired - Lifetime CN202946524U (en) | 2012-12-10 | 2012-12-10 | Overall rod end joint bearing and delta in-parallel mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016510A (en) * | 2012-12-10 | 2013-04-03 | 无锡信捷电气股份有限公司 | Integral rod end knuckle bearing and application thereof on delta parallel mechanical arm |
| CN109780047A (en) * | 2019-01-22 | 2019-05-21 | 丽水市中兴轴承有限公司 | It is a kind of to produce easy spherical plain bearing rod end and its production method |
-
2012
- 2012-12-10 CN CN 201220675446 patent/CN202946524U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016510A (en) * | 2012-12-10 | 2013-04-03 | 无锡信捷电气股份有限公司 | Integral rod end knuckle bearing and application thereof on delta parallel mechanical arm |
| CN109780047A (en) * | 2019-01-22 | 2019-05-21 | 丽水市中兴轴承有限公司 | It is a kind of to produce easy spherical plain bearing rod end and its production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211228 Address after: No.108-74, qianrong Road, Qinxin science and Technology Pioneer Park, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Guosheng Hi Tech Co.,Ltd. Address before: 214072 floor 4, building 7, creative industry park, No. 100, Ditui Road, Wuxi City, Jiangsu Province Patentee before: WUXI XINJE ELECTRONIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |