CN112596258B - Debugging method for two-dimensional turntable folded optical assembly - Google Patents

Debugging method for two-dimensional turntable folded optical assembly Download PDF

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CN112596258B
CN112596258B CN202011410424.7A CN202011410424A CN112596258B CN 112596258 B CN112596258 B CN 112596258B CN 202011410424 A CN202011410424 A CN 202011410424A CN 112596258 B CN112596258 B CN 112596258B
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turntable
axis
optical
autocollimator
folding
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CN112596258A (en
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李小燕
曹明强
岳娟
侯晓华
韩娟
康世发
李华
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XiAn Institute of Optics and Precision Mechanics of CAS
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XiAn Institute of Optics and Precision Mechanics of CAS
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems

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Abstract

本发明涉及一种二维转台折转光学组件的调试方法，以解决现有的二维转台折转光学组件在转台侧卧状态下调试存在占用空间较大、调试工作量大，且调试精度不高的技术问题。本发明方法包括：搭建调试系统，在转台俯仰轴的俯仰法兰上安装俯仰轴标定工装，俯仰轴标定工装包括光学分划板；俯仰轴光学标定，调整光学分划板的倾斜转动使自准像的晃动量最小，调整光学分划板水平移动使十字叉丝像的画圆量最小；折转光学组件调试，采用自准直仪发出的平行光与光路折轴棱镜、待调试转台折轴镜及光学分划板形成自准直光路，进行转台折轴镜姿态的调整。本发明调试方法简单、高效、并使最终折轴镜组件对两轴穿心精度可提高2倍以上。

Figure 202011410424

The invention relates to a debugging method for a two-dimensional turntable turning optical assembly, so as to solve the problem that the debugging of the existing two-dimensional turntable turning optical assembly in the turntable side-lying state has large occupation space, large debugging workload, and poor debugging accuracy. high technical issues. The method of the invention includes: building a debugging system, installing a pitch axis calibration tool on the pitch flange of the pitch axis of the turntable, and the pitch axis calibration tool includes an optical reticle; The shaking of the image is the smallest, and the horizontal movement of the optical reticle is adjusted to minimize the amount of circle drawn by the crosshair image; for debugging of the folding optical components, the parallel light emitted by the autocollimator and the optical path folding axis prism, and the folding axis of the turntable to be debugged are used. The mirror and the optical reticle form a self-collimating optical path to adjust the posture of the turntable folding axis mirror. The debugging method of the invention is simple and efficient, and the precision of the final axis-folding mirror assembly on the two axes can be improved by more than 2 times.

Figure 202011410424

Description

Debugging method for two-dimensional turntable folded optical assembly
Technical Field
The invention relates to a two-dimensional turntable optical assembly and debugging test method, in particular to a debugging method of an internal folding optical assembly linked with a precise two-dimensional turntable.
Background
With the application of tracking optical systems in the fields of angle measurement and laser communication, turntables in various forms are widely applied. The two-dimensional turntable is a moving unit of the whole system, and for an optical system with a folded light path in the turntable, the folded light path passes through the center holes of the two shafts, and the penetrating precision of the folding axis mirror directly influences the pointing precision of the optical axis, so that the high-precision optical assembly and adjustment of the folded optical assembly in the two-dimensional turntable play an important role in final joint adjustment of the system. For debugging of a folding axis mirror assembly linked with a cantilever type two-dimensional rotary table, a conventional debugging method is that two axis systems are respectively calibrated by an optical method in a state that the rotary table is in a side-lying state, and the punching work of the folding axis mirror assembly on an azimuth axis and a pitch axis is completed by two autocollimators, wherein the debugging angle error is less than or equal to 5 percent and the punching precision is less than or equal to 0.03mm in general. The method has the advantages of large occupied space, complex operation and low debugging precision.
Disclosure of Invention
The invention provides a debugging method of a two-dimensional rotary table turning optical component, aiming at the technical problems of large occupied space, large debugging workload and low debugging precision of the existing debugging method of the two-dimensional rotary table turning optical component in a state that a rotary table is in a side-lying state.
In order to achieve the purpose, the invention adopts the technical scheme that:
a debugging method of a two-dimensional turntable folded optical component is characterized by comprising the following steps:
step 1, building a debugging system
1.1) fastening a tool seat 5 on an assembly and adjustment platform, and connecting a rotary table azimuth shaft 1 of a two-dimensional rotary table to be adjusted with the tool seat 5 through an azimuth flange;
1.2) installing a pitching shaft calibration tool 4 on a pitching flange of a turntable pitching shaft 2 of a two-dimensional turntable to be debugged; the pitching axis calibration tool 4 comprises a flange connecting frame 41 coaxially fixed on the end face of a pitching flange of the turntable pitching axis 2 of the two-dimensional turntable to be debugged, an optical reticle lens frame 42 coaxially sleeved inside the flange connecting frame 41, an optical reticle 43 coaxially arranged on the optical reticle lens frame 42, an inclined adjusting knob 44 used for adjusting the optical reticle 43 to rotate along the Y axis or the Z axis, and a translation adjusting knob 45 used for adjusting the optical reticle 43 to move along the Y axis or the Z axis; a cross-shaped wire is carved in the center of the optical reticle 43;
step 2, optical calibration of pitch axis
2.1) erecting an autocollimator 7 in a collimation light path of an optical reticle 43;
2.2) focusing the autocollimator 7 to infinity, and observing the shaking condition of the autocollimator 7 of the autocollimator image when the optical reticle 43 rotates along with the turntable pitching shaft 2; the inclination angle of the optical reticle 43 is adjusted by adjusting the inclination adjusting knob 44, so that the shaking amount of the autocollimator 7 of the autocollimator image is minimized;
2.3) focusing the autocollimator 7 to a limited remote distance, observing the circle drawing amount of the cross hair image at the center of the optical reticle 43 in the autocollimator 7 when the turntable pitching shaft 2 rotates for one circle, and adjusting the radial movement of the optical reticle 43 by adjusting the translation adjusting knob 45 to ensure that the circle drawing amount of the cross hair image in the autocollimator 7 reaches the minimum;
2.4) repeating the step 2.2), ensuring that the shaking amount of the autocollimator image in the autocollimator 7 is minimum, and completing the optical calibration of the pitch axis;
step 3, debugging of the folded optical component
3.1) placing a light path folding axis prism 6 at the center of the tool seat 5, and erecting an autocollimator 7 in a collimation light path of the light path folding axis prism 6;
3.2) focusing the autocollimator 7 to infinity, and autocollimating with the front surface of the optical path folding axis prism 6; the turntable folding axis mirror 3 is installed to make the parallel light A emitted by the autocollimator 70After twice reflection by the optical path folding axis prism 6 and the turntable folding axis mirror 3, the reflected image enters the optical reticle 43, and the image returned by the optical reticle 43 is reflected twice by the turntable folding axis mirror 3 and the optical path folding axis prism 6 to form an autocollimation image A in the view field of the autocollimator 71；
3.3) rotating the azimuth axis 1 of the rotary table by 180 degrees from 0 degree, recording the maximum shaking amount delta H and delta V of the autocollimator 7 internal autocollimator self-alignment image, adjusting the space attitude compensation delta H and delta V of the rotary table folding axis mirror 3, and enabling the autocollimator 7 self-alignment image A1The shaking amount reaches the minimum;
3.4) focusing the autocollimator 7 to a limited distance, so that the collimated light A emitted by the autocollimator 70After twice reflection of the optical path folding axis prism 6 and the rotary table folding axis mirror 3, the cross hair image at the center of the optical reticle 43 is reflected twice by the rotary table folding axis mirror 3 and the optical path folding axis prism 6 to form a cross hair image in the autocollimator 7;
3.5) rotating the azimuth axis 1 of the rotary table from 0 degree to 180 degrees, recording the cross hair image position of the autocollimator 7 when the azimuth axis 1 of the rotary table is at 0 degree and the cross hair image position of the autocollimator 7 when the azimuth axis 1 of the rotary table is at 180 degrees, and obtaining the offset D of the two positionsHAnd DVAdjusting the position of the rotary table folding axis mirror 3 to eliminate the offset DV；
3.6) repeating steps 3.2) and 3.3) so that the autocollimator 7 is self-aligned in image A1And the shaking amount reaches the minimum, and the debugging of the catadioptric optical assembly is completed.
Further, in order to ensure the debugging precision of the system, in step 1.2), the optical reticle 43 is a plane reflective glass, and the flatness is better than 0.02 λ.
Further, for convenience of operation, in step 1.2), the tilt adjusting knob 44 is disposed on an end surface of the optical reticle frame 42; the translation adjusting knob 45 is disposed outside the flange connection frame 41.
Further, in step 3.2), the formation of the autocollimator image a in the field of view of the autocollimator 7 is described1This is achieved by rotating the turret axicon 3 about the X-axis or Y-axis.
Further, in step 3.3), the adjusting of the spatial attitude compensation Δ H and Δ V of the turntable folding axis mirror 3 specifically includes: compensating delta H by adjusting the rotation of the turntable folding axis mirror 3 around the X axis; and the delta V is compensated by adjusting the rotation of the turntable folding axis mirror 3 around the Y axis.
Further, in step 3.5), the offset D is eliminated by adjusting the position of the turntable folding axis mirror 3VThe method specifically comprises the following steps: adjusting the turntable folding axis mirror 3 to translate along the X axis or the Z axis DV/2 to eliminate offset DV。
The invention has the beneficial effects that:
1) the invention utilizes the rotating auto-collimation light path to guide and complete the high-precision center-penetrating work of the folding-axis mirror assembly to the rotary table azimuth axis and the rotary table pitch axis, compared with the conventional debugging method that two axis systems need to be calibrated by an optical method under the lateral lying state of the rotary table, the method is used for debugging under the actual using posture of the rotary table, only one axis system needs to be calibrated by the optical method, the debugging efficiency is improved, and finally, the center-penetrating precision of the folding-axis mirror assembly to the two axes can be improved by more than 2 times.
2) The debugging method can accurately debug the space attitude of the folding axis mirror assembly linked with the two-dimensional rotary table, so that the pitching of the optical axis cannot be changed along with the rotation of the azimuth axis of the rotary table when the two-dimensional rotary table assembly containing the folding optical path is assembled in the optical system.
3) In the calibration process of the two-dimensional turntable pitching axis system, the invention adjusts the optical reticle to minimize the cross-hair image shaking amount and circle drawing amount in the autocollimator by adjusting the inclination adjusting knob and the translation adjusting knob, thereby realizing the accurate calibration of the two-dimensional turntable pitching axis system.
4) In the debugging system adopted by the invention, the optical reticle is plane reflection glass with the surface type superior to 0.02 lambda, so that the calibration precision of the pitching axis of the turntable is ensured.
5) The invention adopts the method that the autocollimator emits parallel light, and the autocollimator forms an autocollimation light path through the light path folding axis prism, the turntable folding axis mirror to be debugged and the optical reticle, so as to debug the space installation posture of the turntable folding axis mirror, the debugging process is simple, and the precision index can reach: the angle error is less than or equal to 2', and the punching precision is less than or equal to 0.01 mm.
Drawings
FIG. 1 is a schematic structural diagram of a two-dimensional turntable folded optical assembly debugging system according to the present invention;
fig. 2 is a schematic diagram of an optical path of the two-dimensional turntable folded optical component debugging system of the present invention.
Description of reference numerals:
1-a turntable azimuth axis, 2-a turntable pitch axis, 3-a turntable folding axis mirror, 4-a pitch axis calibration tool and 41-a flange connecting frame; 42-optical reticle frame; 43-optical reticle; 44-tilt adjustment knob; 45-translation adjusting knob, 5-tool seat, 6-optical path folding axis prism and 7-autocollimator.
Detailed Description
In order to more clearly explain the technical solution of the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings and specific examples.
The method only needs to calibrate the pitching shaft 2 of the rotary table by using the pitching shaft calibration tool 4, fixes the whole rotary table in a built auto-collimation light path in a using state, observes the shaking conditions of the auto-collimation image and the through image when rotating along with the azimuth shaft 1 of the rotary table through the auto-collimator 7 in the light path, and guides the high-precision debugging of the posture of the rotary table folding axis mirror 3 through the shaking size and direction of the auto-collimation image and the through image.
The specific debugging steps of the two-dimensional turntable folded optical component are as follows:
1. pitch axis optical calibration
The method comprises the following steps: as shown in figure 1, a two-dimensional rotary table is connected with a tool seat 5 through an azimuth flange and fastened on an adjusting platform, so that an azimuth shaft 1 of the rotary table is fixed and does not rotate, and a pitching shaft calibration tool 4 is arranged on a pitching flange of a pitching shaft 2 of the rotary table. The pitching axis calibration tool 4 comprises a flange connection frame 41, an optical reticle frame 42 and an optical reticle 43. The flange connecting frame 41 is coaxially fixed on the end face of the pitching flange of the turntable pitching shaft 2, the optical reticle lens frame 42 is coaxially sleeved inside the flange connecting frame 41, and the optical reticle 43 is coaxially arranged on the optical reticle lens frame 42. The optical reticle 43 is a piece of flat reflective glass with a surface type better than 0.02 lambda and with a cross-hair carved in the center. An inclination adjusting knob 44 is arranged on the end face of the optical reticle mirror frame 42, a translation adjusting knob 45 is arranged on the outer side of the flange connecting frame 41, and the inclination and radial movement of the optical reticle assembly can be adjusted, namely the inclination adjusting knob 44 can adjust the optical reticle 43 to rotate along the Y axis or the Z axis, and the translation adjusting knob 45 can adjust the optical reticle 43 to move along the Y axis or the Z axis.
Step two: the autocollimator 7 is mounted at position 1 in fig. 1, i.e. the autocollimator 7 is located in the collimated light path of the optical reticle 43. Focusing the autocollimator 7 to infinity, observing the self-alignment image shaking condition of the optical reticle 43 when rotating along with the turntable pitch axis 2, and calibrating the inclination adjusting knob 44 of the tool 4 through the pitch axis to minimize the shaking amount of the self-alignment image in the autocollimator 7.
Step three: focusing the autocollimator 7 to a limited distance so as to see a clear cross hair image, observing the circle drawing amount of the cross hair at the center of the optical reticle 43 when the turntable pitching shaft 2 rotates for one circle, and calibrating the translation adjusting knob 45 of the tool 4 through the pitching shaft so as to minimize the circle drawing amount of the cross hair in the autocollimator 7.
Step four: and repeating the second step to ensure that the shaking amount of the autocollimator 7 of the autocollimator image is minimum. And completing optical axis calibration of the turntable pitching shaft 2.
2. Auto-collimation refraction light path building and turntable folding axis mirror debugging
The method comprises the following steps: an optical path folding axis prism 6 is placed in the center of the tool seat 5, and an autocollimator 7 is placed at the right end of the optical path folding axis prism 6, as shown in the position 2 of fig. 1, namely the autocollimator 7 is located in the collimation optical path of the optical path folding axis prism 6.
Step two: the autocollimator 7 is focused to infinity and autocollimator with the front surface of the optical path folding axis prism 6. The turntable axicon 3 is mounted to form a self-collimating optical path, A, as shown in FIG. 20Is parallel light emitted from the autocollimator 7, A1Is the image returned by the optical reticle 43 through the turret pitch axis 2. Finding the autocollimator image A in the field of view of the autocollimator 7 by rotating or tilting the turret-mirror 31。
Step three: the turret pitch axis 2 is fixed and the turret azimuth axis 1 is rotated from 0 to 180 as shown in figure 1, and the maximum amount of shaking (Δ H, Δ V) of the autocollimator 7 internal autocollimator image is observed and recorded. And the delta H rotates the turntable folding axis mirror 3 around the X axis, and the delta V rotates the turntable folding axis mirror 3 around the Y axis, so that the shaking amount of the self-alignment image in the range from 0 degree to 180 degrees on the azimuth axis 1 of the turntable is finally minimized.
Step four: the autocollimator 7 is aligned with the self-alignment image of the pitching axis optical reticle 43, the autocollimator 7 is focused to a limited distance to see a clear cross-hair image, and the cross-hair image on the pitching axis calibration tool 4 is observed when the azimuth axis 1 of the turntable rotates from 0 degree to 180 degrees. If the cross hair images do not coincide under two angle states of the turntable azimuth axis 1, the cross hair images exist (D)H，DV)，DHRepresenting two axesThe special plane along the Y axis can not be compensated by a folding axis mirror, and is generally ensured by shafting processing within a design range; dVRepresenting the existence of the center-through error of the two shafting, and can be translated along the X axis or the Z axis by the turntable folding mirror 3VThe amount of/2 to eliminate.
Step five: and (4) after the through-center image (the cross hair image) is adjusted, repeating the step three to minimize the shaking amount of the self-alignment image.
By utilizing the auto-collimation light path in the embodiment of the invention, the spatial posture of the folding axis mirror assembly linked with the two-dimensional rotary table can be accurately debugged through the operation steps, so that the pitching of the optical axis cannot be changed along with the rotation of the azimuth axis of the rotary table when the two-dimensional rotary table assembly containing the folding light path is assembled in the optical system. The precision index of the debugging method can reach: the angle error is less than or equal to 2', and the punching precision is less than or equal to 0.01 mm.
The above description is only for the purpose of describing the preferred embodiments of the present invention and is not intended to limit the technical solutions of the present invention, and any known modifications made by those skilled in the art based on the main technical concepts of the present invention are within the technical scope of the present invention.

Claims (6)

1.一种二维转台折转光学组件的调试方法，其特征在于，包括以下步骤：1. a debugging method of a two-dimensional turntable folding optical assembly, is characterized in that, comprises the following steps: 步骤1、搭建调试系统Step 1. Build the debugging system 1.1）将工装座（5）紧固在装调平台上，将待调试二维转台的转台方位轴（1）通过方位法兰与工装座（5）连接；1.1) Fasten the tool seat (5) on the installation and adjustment platform, and connect the turntable azimuth axis (1) of the two-dimensional turntable to be debugged to the tool seat (5) through the azimuth flange; 1.2）在待调试二维转台的转台俯仰轴（2）俯仰法兰上安装俯仰轴标定工装（4）；所述俯仰轴标定工装（4）包括同轴固定在待调试二维转台的转台俯仰轴（2）俯仰法兰端面上的法兰连接框（41）、同轴套设在法兰连接框（41）内部的光学分划板镜框（42）、同轴设置在光学分划板镜框（42）上的光学分划板（43）、用于调整光学分划板（43）沿Y轴或Z轴旋转的倾斜调整旋钮（44）、以及用于调整光学分划板（43）沿Y轴或Z轴移动的平移调整旋钮（45）；所述光学分划板（43）的中心刻有十字叉丝；1.2) Install a pitch axis calibration tool (4) on the pitch flange of the turntable pitch axis (2) of the two-dimensional turntable to be debugged; the pitch axis calibration tool (4) includes a turntable pitch coaxially fixed on the two-dimensional turntable to be debugged A flange connection frame (41) on the end face of the pitch flange of the shaft (2), an optical reticle frame (42) coaxially sleeved inside the flange connection frame (41), and coaxially arranged on the optical reticle frame (42) on the optical reticle (43), a tilt adjustment knob (44) for adjusting the rotation of the optical reticle (43) along the Y-axis or Z-axis, and a tilt adjustment knob (44) for adjusting the optical reticle (43) along the The translation adjustment knob (45) for moving along the Y-axis or the Z-axis; the center of the optical reticle (43) is engraved with a cross wire; 步骤2、俯仰轴光学标定Step 2. Optical calibration of pitch axis 2.1）将自准直仪（7）架设在光学分划板（43）的准直光路中；2.1) Set up the autocollimator (7) in the collimated optical path of the optical reticle (43); 2.2）将自准直仪（7）调焦到无穷远，光学分划板（43）随转台俯仰轴（2）旋转时，观察自准像在自准直仪（7）中的晃动情况；通过调节倾斜调整旋钮（44），调整光学分划板（43）的倾斜角度，使自准像在自准直仪（7）中的晃动量达到最小；2.2) Focus the autocollimator (7) to infinity, and observe the shaking of the autocollimator in the autocollimator (7) when the optical reticle (43) rotates with the turntable pitch axis (2); By adjusting the inclination adjustment knob (44), the inclination angle of the optical reticle (43) is adjusted to minimize the shaking of the autocollimator in the autocollimator (7); 2.3）将自准直仪（7）调焦到有限远距离，观察转台俯仰轴（2）旋转一周时，光学分划板（43）中心十字叉丝像在自准直仪（7）中的画圆量，通过调节平移调整旋钮（45），调整光学分划板（43）径向移动，使十字叉丝像在自准直仪（7）中的画圆量达到最小；2.3) Focus the autocollimator (7) to a limited distance, and observe that when the pitch axis (2) of the turntable rotates once, the center crosshair image of the optical reticle (43) appears in the autocollimator (7). For the amount of circle drawn, by adjusting the translation adjustment knob (45), adjust the radial movement of the optical reticle (43) to minimize the amount of circle drawn by the crosshair image in the autocollimator (7); 2.4）重复步骤2.2），保证自准像在自准直仪（7）中的晃动量达到最小，完成俯仰轴光学标定；2.4) Repeat step 2.2) to ensure the minimum shaking of the autocollimator in the autocollimator (7), and complete the optical calibration of the pitch axis; 步骤3、折转光学组件调试Step 3. Debugging of folding optical components 3.1）在工装座（5）的中心放置光路折轴棱镜（6），将自准直仪（7）架设在光路折轴棱镜（6）的准直光路中；3.1) Place the optical path folding prism (6) in the center of the tooling seat (5), and set up the autocollimator (7) in the collimated optical path of the optical path folding prism (6); 3.2）将自准直仪（7）调焦到无穷远，与光路折轴棱镜（6）的前表面自准直；安装转台折轴镜（3），使自准直仪（7）发出的平行光A0经光路折轴棱镜（6）及转台折轴镜（3）两次反射后，入射到光学分划板（43），光学分划板（43）返回的像经转台折轴镜（3）及光路折轴棱镜（6）两次反射后，在自准直仪（7）视场中形成自准像A1；3.2) Focus the autocollimator (7) to infinity, and self-collimate with the front surface of the optical path folding axis prism (6); install the turntable folding axis mirror (3) so that the After the parallel light A 0 is reflected twice by the optical path refraction prism (6) and the turntable refraction mirror (3), it is incident on the optical reticle (43), and the image returned by the optical reticle (43) passes through the turntable refraction mirror (3) After being reflected twice by the optical path refraction prism (6), a self-collimating image A 1 is formed in the field of view of the autocollimator (7); 3.3）将转台方位轴（1）由0°转动180°，记录自准直仪（7）内自准像的最大晃动量ΔH及ΔV，调整转台折轴镜（3）的空间姿态补偿ΔH及ΔV，使自准直仪（7）中的自准像A1晃动量达到最小；3.3) Rotate the turntable azimuth axis (1) from 0° to 180°, record the maximum shaking amount ΔH and ΔV of the autocollimator in the autocollimator (7), and adjust the spatial attitude compensation ΔH and ΔV of the turntable folding axis mirror (3). ΔV, to minimize the shaking amount of the autocollimator A 1 in the autocollimator (7); 3.4）将自准直仪（7）调焦到有限远距离，使自准直仪（7）发出的平行光A0经光路折轴棱镜（6）及转台折轴镜（3）的两次反射后，入射到光学分划板（43），光学分划板（43）中心的十字叉丝像经转台折轴镜（3）及光路折轴棱镜（6）两次反射后，在自准直仪（7）中形成十字叉丝像；3.4) Focus the autocollimator (7) to a limited distance, so that the parallel light A 0 emitted by the autocollimator (7) passes through the optical path folding prism (6) and the turntable folding mirror (3) twice. After the reflection, it is incident on the optical reticle (43), and the crosshair image in the center of the optical reticle (43) is reflected twice by the turntable axis-refracting mirror (3) and the optical path-refracting prism (6), and then is self-aligned. A crosshair image is formed in the straight instrument (7); 3.5）将转台方位轴（1）由0°转动到180°，记录转台方位轴（1）在0°时自准直仪（7）中的十字叉丝像位置，与转台方位轴（1）在180°时自准直仪（7）中的十字叉丝像位置，获得两位置的偏移量DH及DV，调整转台折轴镜（3）的位置消除偏移量DV；3.5) Rotate the turntable azimuth axis (1) from 0° to 180°, and record the position of the crosshair image in the autocollimator (7) when the turntable azimuth axis (1) is at 0°, which is consistent with the turntable azimuth axis (1) At 180°, from the crosshair image position in the collimator (7), obtain the offsets D H and D V of the two positions, and adjust the position of the turntable folding mirror (3) to eliminate the offset D V ; 3.6）重复步骤3.2）及3.3），使自准直仪（7）中的自准像A1晃动量达到最小，完成折转光学组件调试。3.6) Repeat steps 3.2) and 3.3) to minimize the shaking of the autocollimator A1 in the autocollimator ( 7 ), and complete the adjustment of the folding optical assembly. 2.根据权利要求1所述二维转台折转光学组件的调试方法，其特征在于：步骤1.2）中，所述光学分划板（43）为平面反射玻璃，平面度优于0.02λ。2 . The debugging method for a two-dimensional turntable folding optical assembly according to claim 1 , wherein: in step 1.2), the optical reticle ( 43 ) is a plane reflective glass, and the flatness is better than 0.02λ. 3 . 3.根据权利要求1或2所述二维转台折转光学组件的调试方法，其特征在于：步骤1.2）中，所述倾斜调整旋钮（44）设置在光学分划板镜框（42）的端面；所述平移调整旋钮（45）设置在法兰连接框（41）外侧。3. The debugging method of the two-dimensional turntable folding optical assembly according to claim 1 or 2, characterized in that: in step 1.2), the tilt adjustment knob (44) is arranged on the end face of the optical reticle frame (42) ; The translation adjustment knob (45) is arranged on the outside of the flange connection frame (41). 4.根据权利要求1所述二维转台折转光学组件的调试方法，其特征在于：步骤3.2）中，所述在自准直仪（7）视场中形成自准像A1，是通过绕X轴或Y轴旋转转台折轴镜（3）实现的。4. The debugging method of the two-dimensional turntable folding optical assembly according to claim 1, characterized in that: in step 3.2), the formation of the autocollimator (7) in the field of view of the autocollimator A 1 is performed by It is realized by rotating the turntable folding-axis mirror (3) around the X-axis or the Y-axis. 5.根据权利要求1所述二维转台折转光学组件的调试方法，其特征在于，步骤3.3）中，所述调整转台折轴镜（3）的空间姿态补偿ΔH及ΔV，具体为：通过调整转台折轴镜（3）绕X轴旋转，补偿ΔH；通过调整转台折轴镜（3）绕Y轴旋转，补偿ΔV。5. The debugging method of the two-dimensional turntable folding optical assembly according to claim 1, characterized in that, in step 3.3), the adjusting the spatial attitude compensation ΔH and ΔV of the turntable folding mirror (3), specifically: by Adjust the turntable folding mirror (3) to rotate around the X axis to compensate ΔH; adjust the turntable folding mirror (3) to rotate around the Y axis to compensate for ΔV. 6.根据权利要求1所述二维转台折转光学组件的调试方法，其特征在于，步骤3.5）中，所述调整转台折轴镜（3）的位置消除偏移量DV，具体为：调整转台折轴镜（3）沿X轴或Z轴平移DV/2来消除偏移量DV。6. The debugging method of the two-dimensional turntable folding optical assembly according to claim 1, wherein in step 3.5), the adjustment of the position of the turntable folding mirror (3) to eliminate the offset D V is specifically: Adjust the turntable folding mirror (3) to translate D V /2 along the X-axis or Z-axis to eliminate the offset D V .
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