CN217005730U - Laser angle fixing device - Google Patents
Laser angle fixing device Download PDFInfo
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- CN217005730U CN217005730U CN202220844972.9U CN202220844972U CN217005730U CN 217005730 U CN217005730 U CN 217005730U CN 202220844972 U CN202220844972 U CN 202220844972U CN 217005730 U CN217005730 U CN 217005730U
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Abstract
The utility model provides a laser angle fixing device, which can adjust the included angle of a light beam by adjusting a single optical element, is simple to operate, is beneficial to engineering operation and has low cost. It includes: a laser; the light splitting prism comprises a light splitting surface, a reflecting surface and an output surface; the right-angle prism comprises a first reflection inclined plane and two vertical planes; a reflector and a corresponding rotating device; the rear part of an output beam of the laser is arranged towards a splitting surface of the beam splitter prism, the splitting surface splits the output beam into a transmission beam and a reflection beam, the transmission beam is linearly propagated and emitted along the corresponding position of the output surface, the reflection beam is emitted towards the reflection surface and reflected by the reflection surface to form a first reflection output beam, and the transmission beam and the first reflection output beam are parallelly output at intervals; and a right-angle prism and a reflector are arranged behind the combination of the beams formed by the transmission beam and the first reflection output beam.
Description
Technical Field
The utility model relates to the technical field of laser, in particular to a laser angle fixing device.
Background
In the engineering, often need through the contained angle of adjusting two bundles of light beams to carry out engineering survey or get the operation of some class, current product does not have the product that can directly carry out quick adjustment light beam contained angle, and when in actual use, the contained angle that needs two laser instrument adjustments to send the light beam goes on, and this accommodation process still needs come the auxiliary measurement through the angulation equipment, and its regulation is wasted time and energy, and is inaccurate.
Disclosure of Invention
In view of the above problems, the present invention provides a laser angle fixing device, which can adjust the included angle of a light beam by adjusting a single optical element, and has the advantages of simple operation, easy engineering operation, and low cost.
A laser angulation device, comprising:
a laser;
the light splitting prism comprises a light splitting surface, a reflecting surface and an output surface;
the right-angle prism comprises a first reflecting inclined plane and two vertical planes;
a reflector and a corresponding rotating device;
the rear part of an output beam of the laser is arranged towards a splitting surface of the beam splitter prism, the splitting surface splits the output beam into a transmission beam and a reflection beam, the transmission beam is transmitted linearly and emitted along a corresponding position of the output surface, the reflection beam is emitted towards the reflection surface and reflected by the reflection surface to form a first reflection output beam, and the transmission beam and the first reflection output beam are output in parallel at intervals;
a right-angle prism and a reflector are arranged behind the light beam combination formed by the transmission light beam and the first reflection output light beam;
the transmission light beam and the first reflection output light beam are respectively reflected by a first reflection inclined plane or a reflector of the right-angle prism to form a first output light beam and a second output light beam with included angle output;
the output end of the rotating device is connected with the mirror body of the reflector and drives the reflector to rotate the mirror surface angle relative to the incident beam;
the right-angle prism is fixedly arranged, and the reflected output light beam is output at a fixed angle.
It is further characterized in that:
the transmission light beam is arranged towards a first reflection inclined plane of the right-angle prism and is reflected to form a first output light beam, the first reflection output light beam is arranged towards the mirror surface of the reflector and is not reflected to form a second output light beam, and the second output light beam is output in a variable angle mode along with the rotation of the mirror surface of the reflector;
the non-mirror surface upper surface of the reflector is also provided with an angle scale table which corresponds to the angle angles of the second output light beam and the first output light beam corresponding to the partial light beam input points, so that subsequent rapid switching is ensured;
the reflector is a polyhedral reflector, so that the installation is convenient and rapid;
the reflecting surface of the light splitting prism is positioned above the light splitting surface;
the laser device further comprises a bottom plate, the polyhedral reflector is located above the right-angle prism and arranged, the polyhedral reflector is connected with the output end of the rotating shaft, the rotating shaft is fixedly arranged on the bottom plate through a connecting support, and the laser device, the beam splitter prism and the right-angle prism are fixedly arranged at corresponding positions of the bottom plate.
After the structure of the utility model is adopted, the laser, the beam splitter prism and the right-angle prism are fixed, the light beam emitted by the laser forms two groups of parallel light beams through the beam splitter prism to be output, the interval distance is relatively small, then one light beam is reflected through the first reflection inclined plane of the right-angle prism to form an output light beam, the other light beam is reflected by the reflector to output the other light beam, the angulation of the two output light beams changes according to the rotation angle of the rotating device to the reflector, the included angle of the light beams can be adjusted by adjusting a single optical element, the operation is simple, the engineering operation is facilitated, and the cost is low.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the present invention;
the names corresponding to the numbers in the figure are as follows:
the laser comprises a laser 1, a beam splitting prism 2, a beam splitting surface 21, a reflecting surface 22, an output surface 23, a right-angle prism 3, a first reflecting inclined surface 31, a polyhedral reflecting mirror 4, a bottom plate 5, a rotating shaft 6, a connecting support 7 and a pointer 8.
Detailed Description
A laser angulation device, see fig. 1-3, comprising:
a laser 1;
a beam splitter prism 2 including a beam splitting surface 21, a reflecting surface 22, and an output surface 23;
a right-angle prism 3 including a first reflection slope 31 and two vertical surfaces;
a reflector and a corresponding rotating device;
the rear part of the output beam of the laser 1 is arranged towards a splitting surface 21 of the beam splitter prism 2, the splitting surface 21 splits the output beam into a transmission beam and a reflection beam, the transmission beam is linearly propagated and emitted along the corresponding position of an output surface 23, the reflection beam is emitted towards a reflection surface 22 and reflected by the reflection surface to form a first reflection output beam, and the transmission beam and the first reflection output beam are parallelly output at intervals;
a right-angle prism 3 and a reflector are arranged behind the light beam combination formed by the transmitted light beam and the first reflected output light beam;
the transmitted beam and the first reflected output beam are respectively reflected by a first reflection inclined surface 31 or a reflector of the right-angle prism 3 to form a first output beam and a second output beam with included angle output;
the output end of the rotating device is connected with the mirror body of the reflector and drives the reflector to rotate the mirror surface angle relative to the incident beam;
the right-angle prism 3 is fixedly arranged, and the reflected output light beam is output at a fixed angle.
In specific implementation, the transmission light beam is arranged towards the first reflection inclined surface 31 of the right-angle prism 3 and is reflected to form a first output light beam, the first reflection output light beam is arranged towards the mirror surface of the reflector and is not reflected to form a second output light beam, and the second output light beam is output in a variable angle mode along with the rotation of the mirror surface of the reflector;
the non-mirror surface upper surface of the reflector is also provided with an angle scale table which corresponds to the angle angles of the second output light beam and the first output light beam corresponding to the partial light beam input points, so that subsequent quick switching is ensured;
the reflector is a polyhedral reflector 4, so that the installation is convenient and rapid;
the reflection surface 22 of the spectroscopic prism 2 is located above the spectroscopic surface 21.
In a specific embodiment, the laser device further comprises a bottom plate 5, the polyhedral reflector 4 is a regular octahedral reflector, the polyhedral reflector 4 is arranged above the right-angle prism 3, the polyhedral reflector 4 is connected with the output end of a rotating shaft 6, the rotating shaft 6 is fixedly arranged on the bottom plate through a connecting support 7, and the laser device 1, the beam splitter prism 2 and the right-angle prism 3 are fixedly arranged at corresponding positions of the bottom plate 5; the light beam a of the laser 1 is transmitted as a light beam b through the light splitting surface and is incident to the inclined surface of the right-angle prism 3 for reflection; the light beam is reflected by the splitting surface 21 of the splitting prism 2 and then reflected by the reflecting surface 22 of the splitting prism 2, the outgoing light beam is c, the light beam c enters the polygonal reflector 4 again to be reflected, and the right-angle prism 3 and the polygonal reflector 4 are in relative positions, as shown in fig. 3.
The right-angle prism 3 is fixed, the light beam b is reflected by the inclined surface of the right-angle prism 3, and the direction of the reflected light beam is unchanged. When the polygonal mirror 4 rotates around the center O thereof, the light beam c is reflected by the reflection surface of the polygonal mirror 4, and the direction of the outgoing light beam changes. Scales are respectively printed at the positions of the incident points of all edges of the upper surface E of the polyhedral reflector 4, the included angle of two emergent light beams can be determined by reading scale values, dynamic adjustment is realized, and the emergent directions of the two light beams are marked.
In the specific embodiment: the wavelength of the laser 1 is 532 nm; the light beam emitted by the laser 1 is a parallel light beam, and the diameter phi of the light beam is 2 mm; the inverse ratio of the light splitting surface transmittance of the light splitting prism 2 is 50/50; the light beam b vertically enters the inclined plane of the right-angle prism 3; the light beam c vertically enters any reflecting surface of the polyhedral reflecting mirror 4; beam b and beam c are parallel.
The angle between two beams can be read by manually rotating the polyhedral reflector, pointing out a beam injection point through the pointer 8, wherein the upper surface pointed by the pointer 8 is provided with a dial (not shown in the figure), the pointer is fixedly arranged on the connecting bracket 7, and the angle between the two beams can be read by reading the dial.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A laser angulation device, comprising:
a laser;
the light splitting prism comprises a light splitting surface, a reflecting surface and an output surface;
the right-angle prism comprises a first reflection inclined plane and two vertical planes;
a reflector and a corresponding rotating device;
the rear part of an output beam of the laser is arranged towards a splitting surface of the beam splitter prism, the splitting surface splits the output beam into a transmission beam and a reflection beam, the transmission beam is linearly propagated and emitted along the corresponding position of the output surface, the reflection beam is emitted towards the reflection surface and reflected by the reflection surface to form a first reflection output beam, and the transmission beam and the first reflection output beam are parallelly output at intervals;
a right-angle prism and a reflector are arranged behind the light beam combination formed by the transmission light beam and the first reflection output light beam;
the transmission light beam and the first reflection output light beam are respectively reflected by a first reflection inclined plane or a reflector of the right-angle prism to form a first output light beam and a second output light beam with included angle output;
the output end of the rotating device is connected with the mirror body of the reflector and drives the reflector to rotate the mirror surface angle relative to the incident beam;
the right-angle prism is fixedly arranged, and the reflected output light beam is output at a fixed angle.
2. A laser angulation device, according to claim 1, wherein: the transmission light beam is arranged towards the first reflection inclined surface of the right-angle prism and is reflected to form a first output light beam, the first reflection output light beam is arranged towards the mirror surface of the reflector and is not reflected to form a second output light beam, and the second output light beam is output along with the rotation of the mirror surface of the reflector in a variable angle mode.
3. A laser angulation device, according to claim 1, wherein: the non-specular upper surface of the reflector is also provided with an angle scale table which corresponds to the angle between the second output light beam and the first output light beam corresponding to the partial light beam input point.
4. A laser angulation device, according to claim 1, wherein: the reflector is a polyhedral reflector.
5. A laser angulation device, according to claim 4, wherein: the reflecting surface of the light splitting prism is positioned above the light splitting surface.
6. The laser angle setting apparatus of claim 5, wherein: the laser device further comprises a bottom plate, the polyhedral reflector is located above the right-angle prism and arranged, the polyhedral reflector is connected with the output end of the rotating shaft, the rotating shaft is fixedly arranged on the bottom plate through a connecting support, and the laser device, the beam splitter prism and the right-angle prism are fixedly arranged at corresponding positions of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844972.9U CN217005730U (en) | 2022-04-13 | 2022-04-13 | Laser angle fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844972.9U CN217005730U (en) | 2022-04-13 | 2022-04-13 | Laser angle fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217005730U true CN217005730U (en) | 2022-07-19 |
Family
ID=82376933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220844972.9U Active CN217005730U (en) | 2022-04-13 | 2022-04-13 | Laser angle fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217005730U (en) |
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2022
- 2022-04-13 CN CN202220844972.9U patent/CN217005730U/en active Active
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