CN220207959U - Supporting mechanism and angle adjustment revolving stage - Google Patents
Supporting mechanism and angle adjustment revolving stage Download PDFInfo
- Publication number
- CN220207959U CN220207959U CN202321955997.7U CN202321955997U CN220207959U CN 220207959 U CN220207959 U CN 220207959U CN 202321955997 U CN202321955997 U CN 202321955997U CN 220207959 U CN220207959 U CN 220207959U
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- plate
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- roller bearing
- balls
- crossed roller
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of precise angle adjustment equipment, and particularly discloses a supporting mechanism and an angle adjustment rotary table, wherein the supporting mechanism comprises a bottom plate, a top plate, balls and a retainer; the top plate and the bottom plate are arranged up and down oppositely, and when the rotary plate is used, the top plate and the bottom plate are respectively arranged on the rotary plate and the support plate; the retainer is arranged on the upper end surface of the bottom plate and is positioned between the top plate and the bottom plate; the balls are arranged on the retainer and can rotate, and the top and the bottom of each ball are respectively contacted with the top plate and the bottom plate. The utility model can improve the supporting effect of the supporting part on the rotating plate and the optical element in the angle adjusting rotary table, ensure the stability of the rotating plate in the angle adjusting process of the optical element, and ensure the angle adjusting precision.
Description
Technical Field
The utility model relates to the technical field of precise angle adjustment equipment, in particular to a supporting mechanism and an angle adjustment rotary table.
Background
The angle adjustment rotary table that the angle adjustment of optical element adopted, angle adjustment rotary table can realize the angle adjustment to the optical element of placing on the rotary table through horizontal rotation, horizontal adjustment subassembly and vertical adjustment subassembly.
The conventional angle adjustment rotary table includes a support plate and a rotary plate, the rotary plate is disposed above the support plate by a cross roller bearing, and the optical element is placed on the rotary plate when in use, that is, the cross roller bearing is used as a force-bearing member of the rotary plate and the optical element.
Because the existing angle adjustment rotary table only has crossed roller bearings as force bearing components when the angle adjustment is carried out on the optical element, the stability is poor when the angle adjustment is carried out when the bearing load is large or the size of the element is large, and the precision is difficult to ensure.
Disclosure of Invention
The utility model aims to provide a supporting mechanism and an angle adjusting rotary table, so as to improve the bearing effect of a supporting part on a rotary plate and an optical element in the angle adjusting rotary table, ensure the stability of the rotary plate in the angle adjusting process of the optical element and ensure the angle adjusting precision.
The utility model is realized by the following technical scheme:
a supporting mechanism comprises a bottom plate, a top plate, balls and a retainer;
the top plate and the bottom plate are arranged up and down oppositely, and when the rotary plate is used, the top plate and the bottom plate are respectively arranged on the rotary plate and the support plate;
the retainer is arranged on the upper end surface of the bottom plate and is positioned between the top plate and the bottom plate;
the balls are arranged on the retainer and can rotate, and the top and the bottom of each ball are respectively contacted with the top plate and the bottom plate.
The top and bottom of the ball are not fixed positions, and the ball rolls when the rotary plate rotates, so the top and bottom of the ball are opposite to each other, namely, the part of the ball protruding from the top of the retainer, which is contacted with the top plate, is the top, and the part of the ball protruding from the bottom of the retainer, which is contacted with the bottom plate, is the bottom.
When the support mechanism is used, the support mechanism is arranged between the rotating plate and the support plate on the angle adjustment rotating table, when the rotating plate is driven to rotate by the external driving mechanism, the top plate rotates along with the rotating plate, the retainer keeps motionless, and as the tops of the balls are contacted with the top plate, the balls are driven to roll on the retainer in situ when the top plate rotates, so that rolling friction is generated between the balls and the bottom plate.
The supporting mechanism and the crossed roller bearing are used for supporting the rotating plate together, the high-precision crossed roller bearing is used as a rotating pair and a supporting structure, the supporting mechanism is also used as a supporting component of the rotating plate, and when the rotating plate bears a large load or the size of a carried optical element is large, the supporting mechanism and the crossed roller bearing are added for supporting the rotating plate together, so that the stability of the rotating plate can be improved, and the adjusting precision of the adjusting frame can be improved.
Further, the top plate and the bottom plate are made of high-hardness alloy steel. The high-hardness alloy steel can be made of any commercially available existing material.
Further, the high hardness alloy steel includes 95Cr18, and 95Cr18 is directly commercially available.
Further, the outer wall of the ball is coated with grease, and/or the position where the cage contacts the ball is coated with grease.
Further, a plurality of through holes are formed in the retainer, the through holes are formed in the same circumference, circle centers corresponding to the circumferences of the through holes are located on the central shaft of the crossed roller bearing, the crossed roller bearing is a supporting piece of the rotating plate, and the balls are arranged in the through holes in a one-to-one correspondence mode.
Further, the retainer is provided with an arc groove, the circle center corresponding to the arc groove is located on the central shaft of the crossed roller bearing, the crossed roller bearing is a supporting piece of the rotating plate, the circumferential length of the arc groove is larger than the rotating stroke of the rotating plate, and when the retainer is used, the rotating plate is provided with a limit column matched with the arc groove, and the lower end of the limit column is inserted into the arc groove.
Further, the retainer is an arc-shaped plate, the circle center corresponding to the arc-shaped plate is located on the central shaft of the crossed roller bearing, and the crossed roller bearing is a supporting piece of the rotating plate.
Further, the balls are steel balls.
Further, the lower end face of the rotating plate is provided with a first groove for fixing the top plate, and the first groove is used for preventing the lower end face of the top plate from protruding out of the lower end face of the rotating plate; the up end of backup pad is provided with the second recess that is used for fixed bottom plate, the second recess is used for making the up end of bottom plate not bulge in the up end of backup pad.
The angle adjustment rotary table comprises a rotary plate, a support plate, a crossed roller bearing and the support mechanism;
the rotating plate is arranged above the supporting plate through a crossed roller bearing; the crossed roller bearing is used for supporting the rotating plate;
the supporting mechanism is arranged outside the crossed roller bearing, and at least one supporting mechanism is arranged.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the angle adjusting rotary table adopts the high-precision crossed roller bearing as the rotary pair and the supporting structure, and the supporting mechanism is also used as the supporting component of the rotary plate, so that when the rotary plate bears a large load or the size of a carried optical element is large, the supporting mechanism and the crossed roller bearing are added to jointly support the rotary plate, the stability of the rotary plate can be improved, the adjusting precision of the adjusting frame can be improved, and the adjusting precision of the angle adjusting rotary table can be ensured even when the angle adjusting rotary table is used for angle adjustment of the optical element with a large size.
2. The top plate and the bottom plate of the utility model are made of high-hardness alloy steel, and the balls and the retainer are coated with lubricating grease, so that the abrasion caused by rolling friction between the balls and the bottom plate can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a schematic view of a support mechanism according to the present utility model;
FIG. 2 is a partial cross-sectional view of the angular adjustment rotary table of the present utility model;
FIG. 3 is a schematic view of the whole structure of the angle adjusting rotary table of the present utility model;
fig. 4 is a schematic view showing a partial structure of the angle-adjusting rotary table of the present utility model.
In the drawings, the reference numerals and corresponding part names:
1-a rotating plate; 2-supporting plates; 3-crossed roller bearings; 4-a supporting mechanism; 5-a limit column; 41-a bottom plate; 42-top plate; 43-balls; 44-a retainer; 441-arc-shaped groove.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1:
as shown in fig. 1 to 4, a supporting mechanism includes a bottom plate 41, a top plate 42, balls 43, and a cage 44;
the top plate 42 and the bottom plate 41 are arranged in a vertically opposite manner, and when in use, the top plate 42 and the bottom plate 41 are respectively arranged on the rotating plate 1 and the supporting plate 2; the specific shape of the top plate 42 and the bottom plate 41 is not limited, and may be rectangular plates as shown in fig. 3, and when the top plate 42 and the bottom plate 41 are both rectangular plates, the length of the bottom plate 41 is preferably longer than that of the top plate 42, i.e., both ends of the bottom plate 41 in the length direction protrude beyond both ends of the top plate 42 in the length direction
The retainer 44 is provided on the upper end surface of the bottom plate 41 and between the top plate 42 and the bottom plate 41; the cage 44 is used to fix the balls 43, so that the balls 43 are rotatably disposed on the cage 44, and the top and bottom of the balls 43 are respectively contacted with the top plate 42 and the bottom plate 41, and the balls 43 may be steel balls.
In the embodiment, the supporting mechanism 4 and the crossed roller bearing 3 jointly support the rotating plate 1, the high-precision crossed roller bearing 3 is adopted as a rotating pair and a supporting structure of the angle adjustment rotating table, the supporting mechanism 4 is also used as a supporting component of the rotating plate 1, and when the rotating plate 1 bears a large load or the size of a carried optical element is large, the supporting mechanism 4 and the crossed roller bearing 3 are added to jointly support the rotating plate 1, so that the stability of the rotating plate 1 can be improved, and the adjustment accuracy of the adjusting frame can be improved.
In a preferred embodiment, the top and bottom plates 42, 41 are made of high hardness alloy steel; the high hardness alloy steel may be 95Cr18.
In a preferred embodiment, the outer walls of the balls 43 are coated with grease, and/or the locations where the cage 44 contacts the balls 43 are coated with grease; wear caused by rolling friction between the balls 43 and the bottom plate 41 can be reduced.
In a specific scheme, a plurality of through holes are formed in the retainer 44, the through holes are formed in the same circumference, circle centers corresponding to the circumferences of the through holes are located on the central shaft of the crossed roller bearing 3, the crossed roller bearing 3 is a supporting piece of the rotating plate 1, and the balls 43 are arranged in the through holes in a one-to-one correspondence mode.
In a preferred scheme, be provided with arc groove 441 on the holder 44, the centre of a circle that arc groove 441 corresponds is located the center pin of crossing roller bearing 3, crossing roller bearing 3 is the support piece of rotor plate 1, the circumference length of arc groove 441 is greater than the rotatory stroke of rotor plate 1, during the use, be provided with on the rotor plate 1 with arc groove 441 matched with spacing post 5, the lower extreme of spacing post 5 inserts in the arc groove 441, carries out spacingly to holder 44 through spacing post 5.
In a preferred embodiment, the cage 44 is an arc-shaped plate, the center of which is located on the central axis of the crossed roller bearing 3, and the crossed roller bearing 3 is a support for the rotating plate 1.
In a preferred embodiment, the lower end surface of the rotating plate 1 is provided with a first groove for fixing the top plate 42, the first groove being for preventing the lower end surface of the top plate 42 from protruding from the lower end surface of the rotating plate 1; the upper end surface of the support plate 2 is provided with a second groove for fixing the bottom plate 41, and the second groove is used for preventing the upper end surface of the bottom plate 41 from protruding from the upper end surface of the support plate 2.
Example 2:
as shown in fig. 1 to 4, the angle-adjusting rotary table includes a rotary plate 1, a support plate 2, and a cross roller bearing 3, and further includes a support mechanism 4 as described in embodiment 1;
the rotating plate 1 is arranged above the supporting plate 2 through a crossed roller bearing 3; the crossed roller bearing 3 is used for supporting the rotating plate 1;
the supporting mechanism 4 is arranged outside the crossed roller bearings 3, at least one supporting mechanism 4 is arranged, the specific number of the supporting mechanisms can be two, as shown in fig. 3, the rotating plate 1 and the supporting plate 2 are square plates, the crossed roller bearings 3 are arranged in the middle of the rotating plate 1, and the two supporting mechanisms 4 are arranged on two sides of the crossed roller bearings 3.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are for understanding and reading only by those skilled in the art, and are not intended to limit the scope of the utility model, so that any structural modifications, proportional changes, or size adjustments should fall within the scope of the utility model without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
Claims (10)
1. A supporting mechanism, which is characterized by comprising a bottom plate (41), a top plate (42), balls (43) and a retainer (44);
the top plate (42) and the bottom plate (41) are arranged in a vertically opposite mode, and when the rotary plate is used, the top plate (42) and the bottom plate (41) are respectively arranged on the rotary plate (1) and the support plate (2);
the retainer (44) is arranged on the upper end surface of the bottom plate (41) and is positioned between the top plate (42) and the bottom plate (41);
the balls (43) are rotatably arranged on the retainer (44), and the top and bottom of the balls (43) are respectively contacted with the top plate (42) and the bottom plate (41).
2. A support mechanism according to claim 1, wherein the top (42) and bottom (41) plates are made of high hardness alloy steel.
3. A support mechanism according to claim 2, wherein the high hardness alloy steel comprises 95Cr18.
4. A support mechanism according to claim 1, characterized in that the outer wall of the balls (43) is coated with grease and/or the locations where the cage (44) is in contact with the balls (43) are coated with grease.
5. A supporting mechanism according to claim 1, characterized in that the retainer (44) is provided with a plurality of through holes, the through holes are arranged on the same circumference, the circle centers corresponding to the circumferences of the through holes are positioned on the central shaft of the crossed roller bearing (3), the crossed roller bearing (3) is a supporting piece of the rotating plate (1), and the balls (43) are arranged in the through holes in a one-to-one correspondence.
6. The supporting mechanism according to claim 1, characterized in that the retainer (44) is provided with an arc groove (441), a circle center corresponding to the arc groove (441) is located on a central shaft of the crossed roller bearing (3), the crossed roller bearing (3) is a supporting piece of the rotating plate (1), the circumferential length of the arc groove (441) is greater than the rotating stroke of the rotating plate (1), when the supporting mechanism is in use, the rotating plate (1) is provided with a limit post (5) matched with the arc groove (441), and the lower end of the limit post (5) is inserted into the arc groove (441).
7. A support mechanism according to claim 5 or 6, characterized in that the holder (44) is an arc-shaped plate, the centre of the circle corresponding to the arc-shaped plate being located on the central axis of the crossed roller bearing (3), the crossed roller bearing (3) being a support for the rotating plate (1).
8. A support mechanism according to claim 1, wherein the balls (43) are steel balls.
9. A support mechanism according to claim 1, characterized in that the lower end face of the rotating plate (1) is provided with a first recess for fixing the top plate (42), the first recess being for keeping the lower end face of the top plate (42) from protruding from the lower end face of the rotating plate (1); the upper end face of the supporting plate (2) is provided with a second groove for fixing the bottom plate (41), and the second groove is used for preventing the upper end face of the bottom plate (41) from protruding out of the upper end face of the supporting plate (2).
10. -an angular adjustment turntable, characterized in that it comprises a rotating plate (1), a supporting plate (2) and a crossed roller bearing (3), and further comprises a supporting mechanism (4) according to any one of claims 1-9;
the rotating plate (1) is arranged above the supporting plate (2) through a crossed roller bearing (3); the crossed roller bearing (3) is used for supporting the rotating plate (1);
the supporting mechanism (4) is arranged outside the crossed roller bearing (3), and at least one supporting mechanism (4) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955997.7U CN220207959U (en) | 2023-07-24 | 2023-07-24 | Supporting mechanism and angle adjustment revolving stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955997.7U CN220207959U (en) | 2023-07-24 | 2023-07-24 | Supporting mechanism and angle adjustment revolving stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220207959U true CN220207959U (en) | 2023-12-19 |
Family
ID=89146414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955997.7U Active CN220207959U (en) | 2023-07-24 | 2023-07-24 | Supporting mechanism and angle adjustment revolving stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220207959U (en) |
-
2023
- 2023-07-24 CN CN202321955997.7U patent/CN220207959U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |