CN214839718U - Triaxial air bearing table support capable of protecting air bearing - Google Patents
Triaxial air bearing table support capable of protecting air bearing Download PDFInfo
- Publication number
- CN214839718U CN214839718U CN202120451371.7U CN202120451371U CN214839718U CN 214839718 U CN214839718 U CN 214839718U CN 202120451371 U CN202120451371 U CN 202120451371U CN 214839718 U CN214839718 U CN 214839718U
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- bearing
- air bearing
- upright post
- protective sleeve
- inner ring
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000005299 abrasion Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a triaxial air bearing table bracket capable of protecting an air bearing, which comprises an air bearing, a bearing seat, a stand column, a first reinforcing plate, a second reinforcing plate, a third reinforcing plate, a protective sleeve and a base plate; the lower end of the upright post is vertically and fixedly connected with the base plate, and the outer wall of the upright post is provided with external threads; the air bearing comprises a bearing inner ring and a bearing outer ring, the bearing outer ring is fixed at the upper end of the upright post through a bearing seat, and the bearing inner ring is fixedly connected with the center of the lower end face of the three-axis air bearing table; the first to third reinforcing plates are used for reinforcing the upright posts and the base plate; the protective sleeve is a hollow cylinder with an opening at the upper end and a closed lower end, and a threaded through hole matched with the external thread on the outer wall of the upright post is formed in the center of the lower end face of the protective sleeve; the protective sleeve is connected with the upright post through the thread through hole of the protective sleeve, and the bearing seat and the bearing outer ring of the air bearing are contained. When the air bearing is not used, the protective sleeve rotates upwards to abut against the bearing inner ring of the air bearing, so that the bearing inner ring is separated from the bearing outer ring, and the abrasion of the air bearing can be effectively avoided.
Description
Technical Field
The utility model relates to an imitative platform field of semi-physics of spacecraft especially relates to a can protect air supporting bearing's triaxial air supporting platform support.
Background
As space missions become complex and diversified, new requirements for space vehicles, such as small mass, small volume, long service life and modularization, are continuously increased, thereby reducing the development cost of space vehicles, shortening the development and test period, and laying the foundation for the cableless development of satellite-borne components and the upgrading and replacement of components.
At present, the interval in the air bearing in the micro triaxial air bearing table cannot be adjusted, and when the air bearing is idle or the air pressure is insufficient, the inner ring and the outer ring of the bearing are easy to rub with each other and then wear.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the defect that involves in the background art, provide a triaxial air supporting platform support that can protect air supporting bearing.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a three-axis air bearing table bracket capable of protecting an air bearing is characterized by comprising the air bearing, a bearing seat, an upright post, a protective sleeve and a substrate;
the upright post is cylindrical, the lower end of the upright post is vertically and fixedly connected with the substrate, and the outer wall of the upright post is provided with external threads;
the air bearing comprises a bearing inner ring and a bearing outer ring, wherein the bearing outer ring is fixed at the upper end of the upright post through a bearing seat, and the bearing inner ring is fixedly connected with the center of the lower end face of the three-axis air bearing table;
the protective sleeve is a hollow cylinder with an opening at the upper end and a closed lower end, and a threaded through hole matched with the external thread on the outer wall of the upright post is formed in the center of the lower end face of the protective sleeve;
the protective sleeve is connected with the upright post through the thread through hole, contains the bearing seat and the bearing outer ring of the air bearing and is used for upwards rotating to prop against the bearing inner ring of the air bearing when the air bearing is not used, so that the bearing inner ring and the bearing outer ring are separated to avoid abrasion of the air bearing.
As a further optimization scheme of the three-axis air bearing support capable of protecting the air bearing of the utility model, the three-axis air bearing support also comprises a first reinforcing plate, a second reinforcing plate and a third reinforcing plate;
the first reinforcing plate, the second reinforcing plate and the third reinforcing plate are identical in structure and are triangular;
the first to third reinforcing plates are all perpendicular to the base plate and evenly arranged along the circumferential direction of the stand column, and are fixedly connected with the outer wall of the stand column through uniform straight edges and the base plate through another straight edge for reinforcement and support.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses can withstand air bearing's bearing inner race through the rotatory protective sheath that makes progress when air bearing does not use for bearing inner race and bearing inner race separate in order to avoid the air bearing wearing and tearing.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure, 1-a base plate, 2-a first reinforcing plate, 3-a column, 4-a bearing seat and 5-a protective sleeve.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.
As shown in fig. 1 and 2, the utility model discloses a three-axis air bearing table bracket capable of protecting an air bearing, which comprises an air bearing, a bearing seat, a stand column, a first reinforcing plate, a second reinforcing plate, a third reinforcing plate, a protective sleeve and a base plate;
the upright post is cylindrical, the lower end of the upright post is vertically and fixedly connected with the substrate, and the outer wall of the upright post is provided with external threads;
the air bearing comprises a bearing inner ring and a bearing outer ring, wherein the bearing outer ring is fixed at the upper end of the upright post through a bearing seat, and the bearing inner ring is fixedly connected with the center of the lower end face of the three-axis air bearing table;
the first reinforcing plate, the second reinforcing plate and the third reinforcing plate are identical in structure and are triangular; the first to third reinforcing plates are uniformly arranged along the circumferential direction of the upright post, a uniform straight edge is fixedly connected with the outer wall of the upright post, the other straight edge is fixedly connected with the base plate, and the first to third reinforcing plates are all vertical to the base plate;
the protective sleeve is a hollow cylinder with an opening at the upper end and a closed lower end, and a threaded through hole matched with the external thread on the outer wall of the upright post is formed in the center of the lower end face of the protective sleeve;
the protective sleeve is connected with the upright post through the thread through hole, contains the bearing seat and the bearing outer ring of the air bearing and is used for upwards rotating to prop against the bearing inner ring of the air bearing when the air bearing is not used, so that the bearing inner ring and the bearing outer ring are separated to avoid abrasion of the air bearing.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. A three-axis air bearing table bracket capable of protecting an air bearing is characterized by comprising the air bearing, a bearing seat, an upright post, a protective sleeve and a substrate;
the upright post is cylindrical, the lower end of the upright post is vertically and fixedly connected with the substrate, and the outer wall of the upright post is provided with external threads;
the air bearing comprises a bearing inner ring and a bearing outer ring, wherein the bearing outer ring is fixed at the upper end of the upright post through a bearing seat, and the bearing inner ring is fixedly connected with the center of the lower end face of the three-axis air bearing table;
the protective sleeve is a hollow cylinder with an opening at the upper end and a closed lower end, and a threaded through hole matched with the external thread on the outer wall of the upright post is formed in the center of the lower end face of the protective sleeve;
the protective sleeve is connected with the upright post through the thread through hole, contains the bearing seat and the bearing outer ring of the air bearing and is used for upwards rotating to prop against the bearing inner ring of the air bearing when the air bearing is not used, so that the bearing inner ring and the bearing outer ring are separated to avoid abrasion of the air bearing.
2. The three-axis air bearing support capable of protecting air bearing according to claim 1, further comprising first to third reinforcing plates;
the first reinforcing plate, the second reinforcing plate and the third reinforcing plate are identical in structure and are triangular;
the first to third reinforcing plates are all perpendicular to the base plate and evenly arranged along the circumferential direction of the stand column, and are fixedly connected with the outer wall of the stand column through uniform straight edges and the base plate through another straight edge for reinforcement and support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451371.7U CN214839718U (en) | 2021-03-02 | 2021-03-02 | Triaxial air bearing table support capable of protecting air bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451371.7U CN214839718U (en) | 2021-03-02 | 2021-03-02 | Triaxial air bearing table support capable of protecting air bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214839718U true CN214839718U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120451371.7U Active CN214839718U (en) | 2021-03-02 | 2021-03-02 | Triaxial air bearing table support capable of protecting air bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN214839718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783322A (en) * | 2023-02-06 | 2023-03-14 | 湖南揽月机电科技有限公司 | Pneumatic protection equipment of three-axis air bearing table and working method thereof |
-
2021
- 2021-03-02 CN CN202120451371.7U patent/CN214839718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783322A (en) * | 2023-02-06 | 2023-03-14 | 湖南揽月机电科技有限公司 | Pneumatic protection equipment of three-axis air bearing table and working method thereof |
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