CN211653276U - Full-automatic shearing vector adjusting mechanism for shearing speckles - Google Patents
Full-automatic shearing vector adjusting mechanism for shearing speckles Download PDFInfo
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- CN211653276U CN211653276U CN201921557120.6U CN201921557120U CN211653276U CN 211653276 U CN211653276 U CN 211653276U CN 201921557120 U CN201921557120 U CN 201921557120U CN 211653276 U CN211653276 U CN 211653276U
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Abstract
The utility model provides a full-automatic shearing vector adjustment mechanism for shearing speckle contains the plane mirror, and two dimension optics adjusts the frame, direct current micro motor, the speculum support, the bearing bracket, the connecting plate, motor gear, adjustment frame gear. The plane mirror is installed on a mirror seat of the two-dimensional optical adjusting frame through a mirror support, the two-dimensional optical adjusting frame is connected with the direct-current micro motor through the connecting plate, an adjusting thread pair of the two-dimensional optical adjusting frame is connected with an adjusting frame gear, the direct-current motor is connected with the motor gear through a bearing, the motor gear is meshed with the adjusting frame gear, the change of the reflecting angle of the plane mirror is realized through the control of an upper computer on the direct-current micro motor, and the automatic adjustment of the shearing amount is realized.
Description
Technical Field
The utility model relates to an optics field, more specifically say, relate to a full-automatic shearing vector adjustment mechanism for shearing speckle.
Background
The shearing speckle interference technology has the characteristics of simple light path, low vibration isolation requirement, capability of directly measuring displacement derivative and the like, and the measurement sensitivity of the displacement derivative is closely related to the shearing quantity. When the shearing amount is increased, the measurement sensitivity of the displacement derivative is also increased, and more stripes can be obtained; conversely, for some materials that are easily deformable, it is often desirable to reduce the measurement sensitivity in order to avoid too many fringes that would otherwise degrade the image quality. In addition, in the case of a slender defect, when the direction of the shear amount and the defect length are consistent, the defect cannot be detected.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a full-automatic shearing vector adjustment mechanism for cuting speckle can realize the regulation in plane mirror incident light sum reverberation position, the device installs in michelson interferes the light path, can realize the automated control who adjusts the platform through the control to direct current micro motor, the shearing quantity is 0-5 continuously adjustable, shearing direction is 0-360 adjustable, very big improvement the practicality of cuting the speckle technique, be favorable to promoting the popularization of this technique in actual industry nondestructive test.
In order to solve the above problems, the utility model adopts the following technical proposal.
A full-automatic shearing vector adjusting mechanism for shearing speckles comprises a two-dimensional optical adjusting frame, wherein the two-dimensional optical adjusting frame consists of a mirror base and a fixed support, the mirror base is connected with the fixed support through a spring, two thread pairs are arranged on the back surface of the fixed support, the corresponding direction angle of the mirror base can be adjusted by rotating the corresponding thread pair, a reflector support is fixed on the mirror base, a plane reflector is fixed with the reflector support through glue, the plane reflector is rectangular, and two sides of the plane reflector are parallel to the mirror base;
the back of the fixed support is fixed with a connecting plate through screws, a first direct current micro motor and a second direct current micro motor are arranged at two ends of the connecting plate, the first direct current micro motor and the second direct current micro motor are both fixed at two ends of the connecting plate through screws, rotating shafts of the first direct current micro motor and the second direct current micro motor penetrate through the connecting plate and are sleeved with a bearing, the bearing is limited through a first bearing support and a second bearing support, the first bearing support and the second bearing support penetrate through the bearing and are fixed on the connecting plate, a first motor gear is connected with the bearing of the first direct current micro motor through a key, and a second motor gear is connected with the bearing of the second direct current micro motor through a key;
and a first adjusting frame gear and a second adjusting frame gear are respectively arranged on the two thread pairs on the back surface of the fixed support, and the thread pairs are connected with the first adjusting frame gear and the second adjusting frame gear through keys.
Furthermore, the optical adjusting frame consists of a mirror seat and a fixed support, the plane mirror is fixed with the mirror support through glue, and the mirror support is fixed in the mirror seat of the two-dimensional optical adjusting frame;
furthermore, the connecting plate is fixed on a fixing support of the two-dimensional optical adjusting frame, the direct-current micro motor is arranged at two ends of the connecting plate, a rotating shaft of the direct-current micro motor penetrates through the connecting plate to be connected with the bearing, the bearing support penetrates through the bearing to be fixed on the connecting plate, and the motor gear is sleeved with the bearing;
furthermore, the optical adjusting frame is provided with two thread pairs for adjustment, and the gear of the adjusting frame is sleeved at the tail ends of the thread pairs;
further, the adjusting frame gear is meshed with the motor gear;
further, the direct current micro motor is controlled by an upper computer to be automatically controlled;
compared with the prior art, the utility model has the advantages of:
(1) the scheme discloses a full-automatic shearing vector adjusting mechanism for shearing speckles, which comprises a plane mirror, a two-dimensional optical adjusting frame, a direct-current micro motor, a mirror bracket, a bearing bracket, a connecting plate, a motor gear and an adjusting frame gear;
(2) the optical adjusting frame consists of a mirror seat and a fixed support, the plane reflector is fixed with the reflector support through glue, and the reflector support is fixed in the mirror seat of the two-dimensional optical adjusting frame;
(3) the connecting plate is fixed on a fixed support of the two-dimensional optical adjusting frame, the two ends of the connecting plate are provided with direct-current micro motors, rotating shafts of the direct-current micro motors penetrate through the connecting plate to be connected with the bearings, the bearing supports penetrate through the bearings to be fixed on the connecting plate, and the motor gears are sleeved with the bearings;
(4) the optical adjusting frame is provided with two thread pairs for adjustment, and the gear of the adjusting frame is sleeved at the tail ends of the thread pairs;
(5) the gear of the adjusting frame is meshed with the gear of the motor;
(6) the direct current micro motor is controlled by an upper computer to carry out automatic control;
drawings
FIG. 1 is a structural diagram of a full-automatic shearing vector adjusting mechanism of the utility model;
fig. 2 is a schematic view of the transmission structure of the present invention.
The reference numbers in the figures illustrate:
the mirror comprises a plane mirror 1, a fixed support 2, a mirror base 3, a first miniature direct current motor 4, a second miniature direct current motor 5, a mirror support 6, a first bearing support 7, a second bearing support 8, a connecting plate 9, a second motor gear 10, a second adjusting frame gear 11, a first adjusting frame gear 12 and a first motor gear 13.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-2, a full-automatic shearing vector adjusting mechanism for shearing speckles includes a two-dimensional optical adjusting frame, referring to fig. 1-2, the two-dimensional optical adjusting frame is composed of a lens base 3 and a fixing support 2, the lens base 3 is connected with the fixing support 2 through a spring, two thread pairs (not shown) are arranged on the back of the fixing support, and the angle of the corresponding direction of the lens base can be adjusted by rotating the corresponding thread pair. A reflector bracket 6 is fixed on the mirror base 3, the plane reflector 1 is fixed with the reflector bracket through glue, the plane reflector 1 is rectangular, and two sides of the plane reflector 1 are parallel to the mirror base 3.
Referring to fig. 1-2, the back of the fixing bracket 2 is fixed to a connecting plate 9 by screws, a first dc micro motor 4 and a second dc micro motor 5 are disposed at two ends of the connecting plate 9, the first dc micro motor 4 and the second dc micro motor 5 are both fixed to two ends of the connecting plate by screws, rotating shafts of the first dc micro motor 4 and the second dc micro motor 5 both penetrate through the connecting plate 9 to be sleeved with a bearing, the bearing is limited by a first bearing bracket 7 and a second bearing bracket 8, the first bearing bracket 7 and the second bearing bracket 8 penetrate through the bearing to be fixed to the connecting plate 9, a first motor gear 13 is connected to a bearing of the first dc micro motor 4 by a key, and a second motor gear 10 is connected to a bearing of the second dc micro motor 5 by a key.
Referring to fig. 1-2, a first adjusting frame gear 12 and a second adjusting frame gear 11 are respectively disposed on two thread pairs on the back of the fixing bracket 2, and the thread pairs and the first adjusting frame gear 12 and the second adjusting frame gear 11 are connected by a key.
Referring to fig. 1-2, a first motor gear 13 is engaged with a first adjusting frame gear 12, a second motor gear 10 is engaged with a second adjusting frame gear 11, and a dc micro motor provides power, and drives a screw pair on the back of the fixed bracket 2 to rotate through the transmission of the motor gear and the adjusting frame gear, thereby realizing the adjustment of the plane mirror 1.
The mirror base 3 is connected with the fixed support 2 through a spring, the back of the fixed support is provided with two thread pairs, the corresponding direction angle of the mirror base can be adjusted by rotating the corresponding thread pairs, the mirror base 3 is fixed with the reflector support 6, the plane reflector 1 is fixed with the reflector support through glue, the plane reflector 1 is rectangular, two sides of the plane reflector are parallel to the mirror base 3, the adjustment of incident light and reflected light directions of the plane reflector can be realized, the device is installed in a Michelson interference light path, the automatic control of an adjusting platform can be realized through the control of a direct current micro motor, the shearing amount is 0-5 degrees continuously adjustable, the shearing direction is 0-360 degrees adjustable, the practicability of the shearing speckle technology is greatly improved, and the popularization of the technology in actual industrial nondestructive detection is facilitated.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. A full-automatic shearing vector adjustment mechanism for shearing speckles comprises a two-dimensional optical adjusting frame, and is characterized in that: the two-dimensional optical adjusting frame is composed of a mirror base (3) and a fixed support (2), the mirror base (3) is connected with the fixed support (2) through a spring, two thread pairs are arranged on the back of the fixed support (2), the corresponding direction angle of the mirror base (3) can be adjusted by rotating the corresponding thread pairs, a reflector support (6) is fixed on the mirror base (3), a plane reflector (1) is fixed with the reflector support through glue, the plane reflector (1) is rectangular, and two sides of the plane reflector are parallel to the mirror base (3);
the back of the fixed bracket (2) is fixed with a connecting plate (9) through screws, a first direct current micro motor (4) and a second direct current micro motor (5) are arranged at the two ends of the connecting plate (9), the first direct current micro motor (4) and the second direct current micro motor (5) are fixed at two ends of the connecting plate through screws, the rotating shafts of the first direct current micro motor (4) and the second direct current micro motor (5) are both sleeved with the bearing through the connecting plate (9), the bearing is limited by a first bearing bracket (7) and a second bearing bracket (8), the first bearing support (7) and the second bearing support (8) penetrate through bearings and are fixed on the connecting plate (9), the first motor gear (13) is connected with a bearing of the first direct-current micro motor (4) through a key, and the second motor gear (10) is connected with a bearing of the second direct-current micro motor (5) through a key;
two thread pairs on the back of the fixed support (2) are respectively provided with a first adjusting frame gear (12) and a second adjusting frame gear (11), and the thread pairs are connected with the first adjusting frame gear (12) and the second adjusting frame gear (11) through keys.
2. The fully automatic shear vector adjustment mechanism for shearing speckle as claimed in claim 1, wherein: the plane mirror (1) is connected with the mirror support (6) through glue, and the two sides of the plane mirror (1) are parallel to the two sides of the mirror base (3) of the two-dimensional optical adjusting frame.
3. The fully automatic shear vector adjustment mechanism for shearing speckle as claimed in claim 1, wherein: and bearings of the first direct current micro motor (4) and the second direct current micro motor (5) are limited by the first bearing support (7) and the second bearing support (8).
4. The fully automatic shear vector adjustment mechanism for shearing speckle as claimed in claim 1, wherein: the first motor gear (13) and the second motor gear (10) are connected with the bearing through keys.
5. The fully automatic shear vector adjustment mechanism for shearing speckle as claimed in claim 1, wherein: the first motor gear (13) is meshed with the first adjusting frame gear (12), and the second motor gear (10) is meshed with the second adjusting frame gear (11).
6. The fully automatic shear vector adjustment mechanism for shearing speckle as claimed in claim 1, wherein: the positive and negative rotation of the direct-current micro motor is controlled by the upper computer, the direct-current micro motor provides power, the offset angle of the plane mirror is adjusted through the transmission of the motor gear and the adjusting frame gear, and the automatic adjustment of the upper computer to the shearing amount is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557120.6U CN211653276U (en) | 2019-09-18 | 2019-09-18 | Full-automatic shearing vector adjusting mechanism for shearing speckles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557120.6U CN211653276U (en) | 2019-09-18 | 2019-09-18 | Full-automatic shearing vector adjusting mechanism for shearing speckles |
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| Publication Number | Publication Date |
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| CN211653276U true CN211653276U (en) | 2020-10-09 |
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| CN201921557120.6U Active CN211653276U (en) | 2019-09-18 | 2019-09-18 | Full-automatic shearing vector adjusting mechanism for shearing speckles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933957A (en) * | 2021-12-16 | 2022-01-14 | 中国科学院国家授时中心 | Non-magnetic optical mirror bracket for cold atom detection |
-
2019
- 2019-09-18 CN CN201921557120.6U patent/CN211653276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933957A (en) * | 2021-12-16 | 2022-01-14 | 中国科学院国家授时中心 | Non-magnetic optical mirror bracket for cold atom detection |
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