CN212276119U - Device for matching high-precision assembling optical axis with guide rail moving shaft - Google Patents
Device for matching high-precision assembling optical axis with guide rail moving shaft Download PDFInfo
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- CN212276119U CN212276119U CN202021257395.0U CN202021257395U CN212276119U CN 212276119 U CN212276119 U CN 212276119U CN 202021257395 U CN202021257395 U CN 202021257395U CN 212276119 U CN212276119 U CN 212276119U
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- optical axis
- focusing system
- movable guide
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Abstract
The patent discloses a device that high accuracy assembly optical axis and guide rail removal axle match, focusing system in device includes movable guide rail, optical axis registration system, five dimensions alignment jig, electron. Fixing the movable guide rail on the optical platform, roughly installing the optical axis registration system on the movable guide rail, installing the electronic inner focusing system on the five-dimensional adjusting frame, and then adjusting the position of the electronic inner focusing system by using the five-dimensional adjusting frame to enable the electronic inner focusing system and the optical axis registration system to be on the same horizontal line. And (3) placing the plane mirror on the optical axis registration system, repeatedly adjusting the orientation pitching of the five-dimensional adjusting frame until the returned cross-shaped cross-hair is fixed, and fixing the testing device. The advantage of this patent lies in: the device can be matched into a system with a focusing function quickly and accurately. The device has simple structure and simple operation method.
Description
Technical Field
The patent relates to a device that high accuracy assembly optical axis and guide rail removal axle match is applicable to any focusing system that has the guide rail, also is applicable to infrared system and terahertz in the system each optical element's of terahertz assembly field
Background
In a new era of rapid development of aerospace industry, a focusing mechanism becomes an indispensable on-orbit adjustment means, and the number of launching satellites is continuously increased. New aerospace ideas are continuously proposed in China, and civil aerospace also becomes a new mastery force for continuously adding bricks and tiles to aerospace industry. Along with the soaring of the aerospace industry, the re-orbit condition also increases a new index and increases the track adaptability (real-time focusing function). And when aviation is in flight in the air, along with uncertainty of temperature, the system has different focus conditions, and at the moment, the system also needs a focusing system to compensate the different focus conditions of the system in real time. Focusing has become an indispensable technical means for aviation and aerospace, but the precision of focusing is decisive to the registration of the linear guide rail and the optical axis. With the universal application of infrared and terahertz, and the improvement of the design indexes of the infrared and terahertz complete machine, the assembly of the whole system is more and more important, the eccentricity and coaxial requirements of the system become very important, and the optical axis adjustment provided by the method can provide a practical feasible scheme.
SUMMERY OF THE UTILITY MODEL
The purpose of this patent is to provide a device that high accuracy assembly optical axis and guide rail removal axle match, and the use of the device can satisfy the supplementary dress of the axiality of high accuracy optical axis and guide rail and proofread and correct, also can provide dress school scheme etc. for optical element such as infrared system and terahertz system now simultaneously. The patent is mainly characterized in that: 1) The structure is simple, and the cost is low; 2) the adjusting method is simple, and a principle of only one optical axis is established by utilizing the interaction of the plane mirror and the spherical mirror thereof; 3) this patent can assist and establish and adjust the function that provides the rapid survey to infrared optical system's optical axis.
The device is shown in the attached figure 1 and comprises a movable guide rail 1, an optical axis registration system 2, a five-dimensional adjusting frame 3 and an electronic inner focusing system 4, wherein the movable guide rail 1 is fixed on an optical platform, the optical axis registration system 2 is roughly installed on the movable guide rail 1, the electronic inner focusing system 4 is installed on the five-dimensional adjusting frame 3, and the optical axis of the electronic inner focusing system 4 and the optical axis of the guide rail moving shaft are kept coaxial.
The movement error of the movable guide rail 1 is better than 0.01 mm.
The adjusting precision of the five-dimensional adjusting frame 3 is better than 30 seconds.
The electronic internal focusing system 4 adopts digital display, the test precision is 0.1 second, and a return image can be displayed in real time.
The working process of the device is as follows:
the movable guide rail 1 is fixed on an optical platform, the optical axis registration system 2 is firstly roughly installed on the movable guide rail 1, the electronic inner focusing system 4 is installed on the five-dimensional adjusting frame 3, and then the position of the electronic inner focusing system 4 is adjusted by the five-dimensional adjusting frame 3, so that the electronic inner focusing system 4 and the optical axis registration system are on the same horizontal line. And then, a plane mirror is attached to the back reference of the movable guide rail 1, and the pitching and the orientation of the five-dimensional adjusting frame 3 are adjusted, so that the light of the plane mirror returns to the center of a detector of the electronic inner focusing system 4. And then adjusting the movable guide rail 1 to enable the light of the plane mirror to return to the electronic inner focusing system 4 again, adjusting the pitching and the orientation of the five-dimensional adjusting frame 3, and repeating the steps until the light of the plane mirror finally returns to the center of the detector of the electronic inner focusing system 4. And (3) attaching the plane mirror to the lens plane in the optical axis registration system 2, adjusting the pitching and the orientation of the optical axis registration system 2 to ensure that the returned image is also superposed at the center of the detector of the electronic inner focusing system 4, and fixing the optical axis registration system at the moment. And adjusting the height of the five-dimensional adjusting frame 3, translating left and right, adjusting the focal length of the electronic inner focusing system 4, observing the vertex image of the lens, observing the focal image of the lens, adjusting the height of the five-dimensional adjusting frame 3, and enabling the vertex image and the focal image to be superposed at the center of the detector of the electronic inner focusing system 4 from left to right. The movable guide rail 1 moves to the other end, the height of the optical axis registration system 2 is adjusted, and the left direction and the right direction are until the vertex image and the spherical center image are not moved at the center of the detector of the electronic inner focusing system 4. The mirror is required to be repeatedly attached to the plane reference of the optical axis registration system 2 to ensure that the pitch and the azimuth are not changed.
The schematic diagram of the device and the method for matching the high-precision assembling optical axis with the guide rail moving axis is shown in figure 1, and the device and the method are characterized by comprising the following steps:
1) firstly fixing the movable guide rail 1 on an optical platform, roughly installing the optical axis registration system 2 on the movable guide rail 1, installing the electronic inner focusing system 4 on the five-dimensional adjusting frame 3, and then adjusting the position of the electronic inner focusing system 4 by using the five-dimensional adjusting frame 3 to enable the electronic inner focusing system 4 and the optical axis registration system to be on the same horizontal line. And then, a plane mirror is attached to the back reference of the movable guide rail 1, and the pitching and the orientation of the five-dimensional adjusting frame 3 are adjusted, so that the light of the plane mirror returns to the center of a detector of the electronic inner focusing system 4.
2) Adjusting the movable guide rail 1 to the other end, then pasting a plane mirror on the back reference of the movable guide rail 1, observing the returned image by a detector of the electronic inner focusing system 4, adjusting the pitching and the direction of the electronic inner focusing system 4 fixed on the five-dimensional adjusting frame 3, and repeating the adjustment processes until the returned image is fixed in the center of the detector of the electronic inner focusing system 4 in a cross manner.
3) And (3) attaching the plane mirror to the lens plane in the optical axis registration system 2, adjusting the pitching and the orientation of the optical axis registration system 2 to ensure that the returned image is also superposed at the center of the detector of the electronic inner focusing system 4, and fixing the optical axis registration system 2 at the moment. And adjusting the height of the five-dimensional adjusting frame 3, translating left and right, adjusting the focal length of the electronic inner focusing system 4, observing the vertex image of the lens in the optical axis registration system 2, observing the focal image of the lens, adjusting the height of the five-dimensional adjusting frame 3, and enabling the vertex image and the focal image to be superposed at the center of the detector of the electronic inner focusing system 4 from left to right. When the movable guide rail 1 moves to the other end, the focal length of the electronic inner focusing system 4 is adjusted, whether the vertex image of the lens in the optical axis registration system 2 is in the center of the detector of the electronic inner focusing system 4 or not is observed, and if the center is overlapped, the optical axis is overlapped with the guide rail moving axis of the movable guide rail 1. If the two images do not coincide, the optical axis and the track have a small angle alpha, the pitching and the orientation of the optical axis registration system 2 are adjusted, so that the spherical center image and the vertex image at the two ends of the guide rail are coincided at the center of the detector of the electronic inner focusing system 4, and the guide rail axis is coincided with the optical axis at the moment.
The characteristics of this patent device mainly reflect in:
1) the structure is simple, and the cost is low;
2) the adjusting method is simple, and a principle of only one optical axis is established by utilizing the interaction of the plane mirror and the spherical mirror thereof;
3) this patent can assist and establish and dress the school provides high accuracy measurement's function to infrared optical system and terahertz optical system's optical axis now.
Drawings
Fig. 1 is a schematic diagram of an optical path of a device and a method for matching a high-precision assembling optical axis with a guide rail moving axis.
Detailed Description
An embodiment of the method of the present patent will be described in detail below with reference to the accompanying drawings.
The main components employed in this patent are described below:
1) the movable guide rail 1: a self-grinding high-precision guide rail is adopted, and the linear runout is 0.005 mm.
2) Optical axis registration system 2: using a custom plano-concave lens: the focal length is 20mm, and the clear aperture is 15-25 mm; the transmission material is k9 or an infrared substrate;
3) a five-dimensional adjusting bracket 3: the combined precision manual platform adopts a three-dimensional combined platform with the model number of ASM-RG2 of the Toho light company, a lifting platform of TSMV5-1A and APSM25A-65CC thereof, and has the main performance parameters: the position adjusting precision is 0.01 mm; the angle adjusting precision is 0.5 arc second;
4) electronic inner focusing system 4: TriAngle corporation model number is TA500-57 electronic inner focusing system, clear aperture is 50mm, view field angle 1300X950 seconds, resolution ratio is 0.02 seconds, repetition precision is + -0.05 seconds, precision is + -0.4 seconds.
The schematic diagram of the device and the method for matching the high-precision assembling optical axis with the guide rail moving axis is shown in fig. 1, and the device can be suitable for any focusing system with a guide rail and is also suitable for the assembling field of each optical element in an infrared system and a terahertz system. The patent method comprises the following specific implementation steps:
1) firstly fixing the movable guide rail 1 on an optical platform, roughly installing the optical axis registration system 2 on the movable guide rail 1, installing the electronic inner focusing system 4 on the five-dimensional adjusting frame 3, and then adjusting the position of the electronic inner focusing system 4 by using the five-dimensional adjusting frame 3 to enable the electronic inner focusing system 4 and the optical axis registration system to be on the same horizontal line. And then, a plane mirror is attached to the back reference of the movable guide rail 1, and the pitching and the orientation of the five-dimensional adjusting frame 3 are adjusted, so that the light of the plane mirror returns to the center of a detector of the electronic inner focusing system 4.
2) Adjusting the movable guide rail 1 to the other end, then pasting a plane mirror on the back reference of the movable guide rail 1, observing the returned image by a detector of the electronic inner focusing system 4, adjusting the pitching and the direction of the electronic inner focusing system 4 fixed on the five-dimensional adjusting frame 3, and repeating the adjustment processes until the returned image is fixed in the center of the detector of the electronic inner focusing system 4 in a cross manner.
3) And (3) attaching the plane mirror to the lens plane in the optical axis registration system 2, adjusting the pitching and the orientation of the optical axis registration system 2 to ensure that the returned image is also superposed at the center of the detector of the electronic inner focusing system 4, and fixing the optical axis registration system 2 at the moment. And adjusting the height of the five-dimensional adjusting frame 3, translating left and right, adjusting the focal length of the electronic inner focusing system 4, observing the vertex image of the lens in the optical axis registration system 2, observing the focal image of the lens, adjusting the height of the five-dimensional adjusting frame 3, and enabling the vertex image and the focal image to be superposed at the center of the detector of the electronic inner focusing system 4 from left to right. When the movable guide rail 1 moves to the other end, the focal length of the electronic inner focusing system 4 is adjusted, whether the vertex image of the lens in the optical axis registration system 2 is in the center of the detector of the electronic inner focusing system 4 or not is observed, and if the center is overlapped, the optical axis is overlapped with the guide rail moving axis of the movable guide rail 1. If the two images do not coincide, the optical axis and the track have a small angle alpha, the pitching and the orientation of the optical axis registration system 2 are adjusted, so that the spherical center image and the vertex image at the two ends of the guide rail are coincided at the center of the detector of the electronic inner focusing system 4, and the guide rail axis is coincided with the optical axis at the moment.
Claims (4)
1. The utility model provides a device that high accuracy assembly optical axis and guide rail removal axle match, includes movable guide rail (1), optical axis registration system (2), five dimension alignment jig (3), focusing system (4) in the electron, its characterized in that:
the movable guide rail (1) is fixed on the optical platform, the optical axis registration system (2) is roughly installed on the movable guide rail (1), the electronic inner focusing system (4) is installed on the five-dimensional adjusting frame (3), and the optical axis of the electronic inner focusing system (4) and the optical axis of the guide rail moving shaft keep coaxial.
2. The apparatus of claim 1, wherein the optical axis of the optical assembly is matched with the moving axis of the guide rail, and the apparatus further comprises: the movement error of the movable guide rail (1) is better than 0.01 mm.
3. The apparatus of claim 1, wherein the optical axis of the optical assembly is matched with the moving axis of the guide rail, and the apparatus further comprises: the adjusting precision of the five-dimensional adjusting frame (3) is better than 30 seconds.
4. The apparatus of claim 1, wherein the optical axis of the optical assembly is matched with the moving axis of the guide rail, and the apparatus further comprises: the electronic internal focusing system (4) adopts digital display, the test precision is 0.1 second, and a return image can be displayed in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021257395.0U CN212276119U (en) | 2020-07-01 | 2020-07-01 | Device for matching high-precision assembling optical axis with guide rail moving shaft |
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| CN202021257395.0U CN212276119U (en) | 2020-07-01 | 2020-07-01 | Device for matching high-precision assembling optical axis with guide rail moving shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610640A (en) * | 2020-07-01 | 2020-09-01 | 中国科学院上海技术物理研究所 | Device and method for matching high-precision assembling optical axis with guide rail moving axis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610640A (en) * | 2020-07-01 | 2020-09-01 | 中国科学院上海技术物理研究所 | Device and method for matching high-precision assembling optical axis with guide rail moving axis |
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