Centering three-degree-of-freedom adjusting frame capable of satisfying environmental adaptability test

Abstract

The application provides a centering three-degree-of-freedom adjusting spectacle frame which can satisfy environmental adaptability test, an azimuth adjusting seat, a side surface in the shape of a gear, a bottom provided with a centering shaft, an arc-shaped long hole with the centering shaft as a center provided on the centering shaft, an adjusting gear engaged with the side surface of the azimuth adjusting seat in the shape of a gear, the azimuth adjusting seat moving along the arc-shaped long hole with the centering shaft as a center by rotating the adjusting gear, a tilt adjusting seat provided with two adjusting shafts, the adjusting shafts located in the groove, the tilt adjusting seat and the vertical mounting seat connected by two round head cap bolts penetrating the tilt adjusting seat and the vertical mounting seat, a lens rotatingly connected to the tilt adjusting seat, the center of the lens coinciding with the rotating shaft, a line between the two adjusting shafts passing through the center of the lens, and the central axis of the centering shaft passing through the center of the lens. The centering three-degree-of-freedom adjusting spectacle frame can realize the adjustment of three degrees of freedom of the lens, i.e. rotation, tilt and azimuth, the three degrees of freedom are independent of each other and do not occur coupling linkage, and the center of the lens is always kept unchanged during the three-degree-of-freedom adjustment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical debugging, in particular to a centering three-degree-of-freedom adjusting frame capable of meeting environmental adaptability test. BACKGROUND

[0002] In the optical path debugging of various optical systems, due to the uncertainty of the optical path in the design and debugging process, the machining errors of the lens structure and the position fixation generated in the machining process, when accurately adjusting the optical path, the lens must be adjusted in time, and these in-time adjustments mainly include rotation, pitch and azimuth three-degree-of-freedom adjustments.

[0003] At present, in the optical system, the lens is usually installed on the frame. However, the existing frame usually has the following problems: for example, some frames do not have any adjusting mechanism, if the position after installation cannot meet the requirements, the optical path needs to be adjusted by adjusting the entire frame, for example, when adjusting the pitch direction, the frame is inclined to adjust the pitch by adding copper foils with different thicknesses on the bottom of the entire frame. For example, some frames are composed of a fixed plate, a movable plate provided with a lens, steel balls placed on the same diameter circumference, springs and a screw rod, wherein the steel balls serve as a support, the springs serve as a tensioning function, and the screw rod is used for azimuth adjustment of the movable plate relative to the fixed plate. Such a frame has small adjustment range, poor product replaceability, the lens center position point will be offset, the three degrees of freedom are linked, cannot be controlled independently, and the structure of the spring and the screw rod has poor environmental adaptability, under the vibration condition, the elastic element will produce uncontrollable position offset; under the high and low temperature condition, the force generated by the elastic element will change, thereby changing the position. SUMMARY

[0004] In order to solve the above problems, the present application provides a centering three-degree-of-freedom adjusting frame capable of meeting environmental adaptability test, which can ensure that the rotation, pitch and azimuth three-degree-of-freedom adjustments are independent of each other and do not occur coupling linkage; and the lens center is always kept unchanged during the three-degree-of-freedom adjustment.

[0005] To achieve the above object, the technical scheme adopted by the embodiments of the present application is as follows:

[0006] A centering three-degree-of-freedom adjusting frame capable of meeting environmental adaptability test, wherein:

[0007] An azimuth adjusting seat, the edge surface is in the shape of a gear, the bottom is provided with a centering shaft, and an arc-shaped long hole with the centering shaft as the center is arranged on the centering shaft;

[0008] An adjusting gear is engaged with the edge surface of the gear-shaped azimuth adjusting seat, and rotating the adjusting gear drives the azimuth adjusting seat to move along the arc-shaped long hole with the centering shaft as the center;

[0009] vertical mounting base, vertically connected to the upper surface of the azimuth adjusting base, provided with a recess;

[0010] tilt adjusting base, provided with two adjusting shafts, the adjusting shafts located in the recess, the two connected by two round head cap bolts passing through the tilt adjusting base and the vertical mounting base;

[0011] lens, rotationally connected in the tilt adjusting base, the center of the lens coinciding with the rotation axis;

[0012] the line between the two adjusting shafts passing through the center of the lens, the central axis of the centering shaft passing through the center of the lens.

[0013] further, the line between the two adjusting shafts parallel to the vertical mounting base, the line between the two round head cap bolts perpendicular to the vertical mounting base and passing through the center of the lens.

[0014] further, the round head cap bolt comprising a bolt head, a bolt column and a round head cap, the bolt head connected to the bolt column, the round head cap rotatingly sleeved on the bolt column.

[0015] further, the tilt adjusting base provided with a through hole and a column hole, the through hole matching the round head cap, the vertical mounting base provided with a bolt column hole, the round head cap located in the through hole, the bolt column sequentially passing through the column hole and the bolt column hole.

[0016] further, further comprising a mounting plate, the mounting plate provided with a centering shaft hole matching the centering shaft, the centering shaft located in the centering shaft hole.

[0017] further, the mounting plate further provided with a mounting hole, a connecting bolt passing through the arc-shaped long hole and the mounting hole, connecting the azimuth adjusting base and the mounting plate.

[0018] further, further comprising a connecting rod and a rotating rod connected, the connecting rod connected to the mounting plate, the connecting rod provided with a hexagonal boss at both ends, the adjusting gear center provided with a hexagonal recess, the rotating rod provided with a hexagonal sleeve, the hexagonal bosses at both ends of the connecting rod respectively rotationally connected in the hexagonal recess and the hexagonal sleeve.

[0019] further, further comprising an adjusting frame, the lens mounted in the adjusting frame, the adjusting frame rotationally connected in the tilt adjusting base, the center of the lens coinciding with the rotation axis of the adjusting frame.

[0020] Further, the adjusting frame comprises a mounting part for mounting the lens and a connecting part connected to the tilt adjusting seat.

[0021] Further, the tilt adjusting seat is further provided with an adjusting hole and a locating hole, the adjusting hole is communicated with the locating hole, the connecting part is connected to the locating hole, and the top screw passes through the adjusting hole to abut against the connecting part.

[0022] The centering three-degree-of-freedom adjusting frame of the present application can meet the environmental adaptability test and has the following beneficial effects:

[0023] 1. The present application can realize the rotation, tilt and azimuth three-degree-of-freedom adjustment of the lens, ensure the mutual independence of the rotation, tilt and azimuth three-degree-of-freedom adjustment, and keep the lens center unchanged during the three-degree-of-freedom adjustment.

[0024] 2. The present application, lens rotation adjustment: the lens is arranged on the adjusting frame, the top screw clamps the adjusting frame from both sides, the adjusting frame is rotated when the top screw is loosened, thereby the lens is rotated and adjusted, the lens fixed after rotation adjustment is clamped by the adjusting frame when the top screw is tightened, and the design is ingenious, the operation is convenient, the adjustment is convenient, and the fixation is reliable.

[0025] 3. The present application, lens rotation adjustment: the rotation axis of the lens is arranged to coincide with the center of the lens, and the lens center is unchanged when the lens is rotated around the rotation axis.

[0026] 4. The present application, lens tilt adjustment: two adjusting shafts are arranged on the back of the tilt adjusting seat, a vertical mounting seat is arranged with a groove matched with the two adjusting shafts for accommodating the two adjusting shafts, the adjusting shafts are matched with the groove to form the tilt rotation shaft in the tilt adjustment, and the tilt adjustment is flexible and reliable. In addition, the two adjusting shafts are connected by passing through the tilt adjusting seat and the vertical mounting seat through two round head cap screws, the tilt adjusting seat is finely adjusted to be tilted by loosening one round head cap screw and tightening the other round head cap screw during the tilt adjustment, the appropriate angle is reached, the round head cap screw is tightened after being loosened, and the tilt adjustment and fixation of the required angle are conveniently and quickly completed.

[0027] 5. The present application, lens tilt adjustment: the line between the two adjusting shafts passes through the center of the lens to form the tilt adjustment rotation shaft, which always coincides with the lens center, and the lens center is unchanged during the tilt adjustment.

[0028] 6. In this invention, the round-headed cap of the round-headed cap bolt is a hemispherical shape with a spherical surface, which matches the circular hole in the tilt adjustment seat. During the tilt adjustment of the lens, when the round-headed cap bolt is tightened, the spherical surface of the round-headed cap can always be in close contact with the circular hole in the tilt adjustment seat, ensuring stable support and contact with the tilt adjustment seat after the lens is tilted. In addition, the round-headed cap rotates and passes through the bolt post. When the tilt adjustment seat tilts, it contacts the rotating round-headed cap and moves along the bolt post, thereby ensuring that the round-headed cap bolt is tightened and fixed, and there is no angle between it and the fixing surface, maintaining the stability of the fixation.

[0029] 7. In this invention, the lens orientation adjustment is as follows: The lens orientation adjustment seat has a gear-shaped edge and a centering shaft at the bottom. An arc-shaped elongated hole with the centering shaft as the center is provided on the bottom. An adjustment gear is provided to mesh with the gear-shaped edge of the orientation adjustment seat. Rotating the adjustment gear pushes the orientation adjustment seat to move along the arc-shaped elongated hole with the centering shaft as the center, thereby completing the lens orientation adjustment.

[0030] 8. In this invention, the lens orientation is adjusted: the central axis of the centering shaft passes through the center of the lens, so the movement of the orientation adjustment seat with the centering shaft as the center is equivalent to the movement with the center of the lens as the center, so that the center of the lens remains unchanged during the orientation adjustment process. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of a centering three-degree-of-freedom adjustable eyeglass frame structure according to an embodiment of the present invention;

[0033] Figure 2 This is an exploded view of a centering three-degree-of-freedom adjustable eyeglass frame according to an embodiment of the present invention;

[0034] Figure 3 This is a schematic diagram of the vertical mounting base, tilt adjustment base, and adjustment frame according to an embodiment of the present invention;

[0035] Figure 4 This is a schematic diagram of the structure of the round-head cap bolt according to an embodiment of the present invention;

[0036] Figure 5 This is a schematic diagram of the connection structure between the round-head cap bolt, the elevation adjustment seat, and the vertical mounting seat according to an embodiment of the present invention.

[0037] Figure 6 This is a top view of a centering three-degree-of-freedom adjustable eyeglass frame according to an embodiment of the present invention.

[0038] BRIEF DESCRIPTION OF DRAWINGS

[0039] 1 - azimuth adjustment seat; 11 - centering shaft; 12 - arc long hole; 2 - adjustment gear; 3 - vertical mounting seat; 31 - groove; 32 - bolt column hole; 4 - pitch adjustment seat; 41 - adjustment shaft; 42 - round head cap bolt; 421 - bolt head; 422 - bolt column; 423 - round head cap; 43 - round hole; 44 - adjustment hole; 45 - installation hole; 46 - column hole; 5 - lens; 6 - mounting plate; 61 - centering shaft hole; 62 - mounting hole; 63 - connecting bolt; 7 - connecting rod; 71 - hexagonal boss; 8 - rotating rod; 81 - hexagonal sleeve; 9 - adjustment frame, 91 - mounting part; 92 - connecting part; 93 - jackscrew. DETAILED DESCRIPTION

[0040] In order to better understand the purpose, structure and function of the present application, the following will be further described in detail in combination with the drawings.

[0041] As shown in Figures 1-6 A centering three-degree-of-freedom adjustment frame capable of meeting environmental adaptability test, comprising an azimuth adjustment seat 1, an adjustment gear 2, a vertical mounting seat 3, a pitch adjustment seat 4, a lens 5, a mounting plate 6, a connecting rod 7, a rotating rod 8, and an adjustment frame 9.

[0042] The pitch adjustment seat 4 mainly plays two roles. On the one hand, it cooperates with the adjustment frame 9 to realize the installation and rotation of the lens 5; on the other hand, it cooperates with the vertical mounting seat 3 to realize the pitch adjustment of the lens 5.

[0043] Further, the pitch adjustment seat 4 cooperates with the adjustment frame 9 to realize the installation and rotation of the lens 5 through the following structure and arrangement. Specifically, the lens 5 is rotatably connected in the pitch adjustment seat 4, and the center of the lens 5 coincides with the rotation axis. When the lens 5 rotates around the rotation axis, the center of the lens 5 remains unchanged.

[0044] Further, the lens 5 is installed in the adjustment frame 9, and the adjustment frame 9 is rotatably connected in the pitch adjustment seat 4, and the center of the lens 5 coincides with the rotation axis of the adjustment frame 9. In actual operation, the adjustment frame 9 is rotated to realize the rotation of the lens 5 in the pitch adjustment seat 4.

[0045] Further, the adjustment frame 9 comprises a mounting part 91 and a connecting part 92, the mounting part 91 is used for installing the lens 5, and the connecting part 92 is connected in the pitch adjustment seat 4.

[0046] Further, the rotation and fixation of the frame 9 on the tilt adjusting seat 4 is achieved by the following structure: the tilt adjusting seat 4 is provided with an adjusting hole 44 and a locating hole 45, the adjusting hole 44 is in communication with the locating hole 45, the connecting part 92 is connected to the locating hole 45, and the top screw 93 passes through the adjusting hole 44 and abuts against the connecting part 92.

[0047] Further, the specific operation steps of the frame 9 on the tilt adjusting seat 4 for mounting and rotating the lens 5 are as follows: first, loosen the top screw 93 for fixing the connecting part 92 of the frame 9, then rotate the frame 9 to the appropriate angle, and finally tighten the top screw 93 to clamp the connecting part 92 of the frame 9, thereby achieving the rotation and fixation of the lens 5.

[0048] Further, the tilt adjusting seat 4 cooperates with the vertical mounting seat 3 to achieve the tilt adjustment of the lens 5, which is achieved by the following structure and arrangement. Specifically, the tilt adjusting seat 4 is provided with two adjusting shafts 41, and the connecting line between the two adjusting shafts 41 passes through the center of the lens 5, where the adjusting shaft 41 acts as a tilt rotating shaft. Then, the adjusting shaft 41 passing through the center of the lens 5 acts as a tilt rotating shaft, so that the center of the lens 5 remains unchanged during the tilt adjustment.

[0049] Further, in order to clamp and accommodate the adjusting shaft 41, the vertical mounting seat 3 is provided with a groove 31, and the adjusting shaft 41 is located in the groove 31.

[0050] Further, the tilt stable adjustment and fixation of the tilt adjusting seat 4 after adjustment are achieved by connecting the tilt adjusting seat 4 and the vertical mounting seat 3 through the two round head cap screws 42.

[0051] Further, the connecting line between the two round head cap screws 42 is perpendicular to the vertical mounting seat 3 and passes through the center of the lens 5, and the connecting line between the two adjusting shafts 41 is parallel to the vertical mounting seat 3. That is, the connecting line between the two round head cap screws 42 is longitudinally arranged, and the connecting line between the two adjusting shafts 41 is perpendicular to the connecting line between the two round head cap screws 42 and is arranged transversely.

[0052] Further, the round head cap screw 42 for connecting the tilt adjusting seat 4 and the vertical mounting seat 3 is specially designed, that is, the round head cap screw 42 includes a screw head 421, a screw column 422, and a semispherical round head cap 423, the screw head 421 is connected to the screw column 422, and the round head cap 423 is rotatably sleeved on the screw column 422 and can move along the screw column 422.

[0053] Further, the connecting mode of the round head cap bolt 42 is that the up-down adjusting seat 4 is provided with a communicating round hole 43 and a column hole 46, the round hole 43 is matched with the round head cap 423, the vertical mounting seat 3 is provided with a bolt column hole 32, the round head cap 423 is located in the round hole 43, the bolt column 422 is sequentially penetrated in the column hole 46 and the bolt column hole 32, and the radius of the round head cap 423 can be designed according to actual needs, so as to meet the adjustment of each 5 degrees of pitch.

[0054] Further, the up-down adjusting seat 4 cooperates with the vertical mounting seat 3 to realize the up-down adjustment of the lens 5. The specific adjustment process is that one of the round head cap bolts 42 is loosened, the other round head cap bolt 42 is tightened, the up-down adjusting seat 4 is slightly adjusted to be inclined upward, after reaching a suitable angle, the round head cap bolt 42 is tightened, so as to conveniently and quickly complete the pitch adjustment and fixation of the required angle.

[0055] Further, in combination with the specific connecting mode of the round head cap bolt 42 and the specific operation steps of the up-down adjustment, it can be known that when the lens 5 is adjusted in pitch, the inclined surface of the round head cap 423 can be closely attached to the inclined inner wall of the round hole 43, so as to ensure the stability of the support connection of the up-down adjusting seat 4 after the up-down adjustment of the lens 5. In addition, the round head cap 423 is rotatably penetrated on the bolt column 422, and in the up-down adjusting process of the up-down adjusting seat, the round head cap 423 is rotated, so as to keep the stability of the fixed.

[0056] Further, the azimuth adjusting seat 1 is connected to the lower end of the vertical mounting seat 3, that is, the vertical mounting seat 3 is vertically connected to the upper surface of the azimuth adjusting seat 1. The side surface of the azimuth adjusting seat 1 is in the shape of a gear, the bottom is provided with a centering shaft 11, and the centering shaft 11 is provided with an arc-shaped long hole 12 with the centering shaft 11 as the center.

[0057] Further, the adjusting gear 2 is arranged and engaged with the gear-shaped side surface of the azimuth adjusting seat 1. The rotation of the adjusting gear 2 can drive the azimuth adjusting seat 1 to move along the arc-shaped long hole 12 with the centering shaft 11 as the center, so as to realize the azimuth adjustment of the azimuth adjusting seat 1. The azimuth adjustment can have a maximum adjustment amount of 90 degrees.

[0058] Further, the center axis of the centering shaft 11 passes through the center of the lens 5. Then, the movement of the azimuth adjusting seat 1 with the centering shaft 11 as the center is equivalent to the movement with the center of the lens 5 as the center, so that the center of the lens 5 is always unchanged in the azimuth adjusting process.

[0059] Further, the limiting during the azimuth adjustment of the azimuth adjusting seat 1 and the fixation after the adjustment are realized through the cooperation with the mounting plate 6. Specifically, the mounting plate 6 is provided with a centering shaft hole 61 matched with the centering shaft 11, and the centering shaft 11 is located in the centering shaft hole 61.

[0060] Further, the mounting plate 6 is provided with a mounting hole 62, and a connecting bolt 63 passes through the arc-shaped long hole 12 and the mounting hole 62 to connect the azimuth adjusting seat 1 with the mounting plate 6.

[0061] Further, the rotation of the adjusting gear 2 is realized through the connecting rod 7 and the rotating rod 8. Specifically, the connecting rod 7 is connected to the mounting plate 6, and the adjusting gear 2 is sleeved on the connecting rod 7. More specifically, the connecting rod 7 is provided with hexagonal bosses 71 at both ends, the adjusting gear 2 is provided with a hexagonal recess in the center, and the rotating rod 8 is provided with a hexagonal sleeve 81, and the hexagonal bosses 71 at both ends of the connecting rod 7 are respectively rotatably connected in the hexagonal recess and the hexagonal sleeve 81. The adjusting gear 2 is rotated through the cooperation of the connecting rod 7 and the rotating rod 8, which is labor-saving and convenient.

[0062] Further, the specific operation steps of driving the azimuth adjusting seat 1 through the adjusting gear 2 to adjust the azimuth are as follows: first, loosen the connecting bolt 63 for fixing the azimuth adjusting seat 1, rotate the rotating rod 8 to drive the connecting rod 7 to rotate, and then drive the adjusting gear 2 to rotate, the rotation of the adjusting gear 2 drives the azimuth adjusting seat 1 to move, until the azimuth adjusting seat 1 reaches the required position, then tighten the connecting bolt 63, and the azimuth adjustment is completed.

[0063] In general, the present application can realize the rotation, pitch and azimuth adjustment of the lens 5 with three degrees of freedom; it can ensure that the rotation, pitch and azimuth adjustment are independent of each other and do not occur coupling linkage, and the center of the lens 5 remains unchanged during the adjustment process. In addition, the fixing after the three degrees of freedom adjustment in the present application is stable and reliable, and can pass the moderate vibration impact test. The adjustment frame structure does not have a spring and other sensitive temperature mechanisms, and has good temperature adaptability.

[0064] The working process of the centering three-degree-of-freedom adjustment frame which can meet the environmental adaptability test of the present application will be described below in combination with the drawings:

[0065] Rotation adjustment: loosen the top screw 93, rotate the adjusting frame 9 to the appropriate rotation angle, then tighten the top screw 93 to clamp the adjusting frame 9, and realize the rotation adjustment of the lens 5.

[0066] Pitch adjustment: loosen one of the round head cap screws 42, tighten the other round head cap screw 42, and slightly adjust the pitch adjusting seat 4 to make it pitch, then tighten the looser round head cap screw 42 to achieve the pitch adjustment.

[0067] Azimuth adjustment: loosen the connecting bolt 63, rotate the rotating rod 8 to drive the connecting rod 7 to rotate, and then drive the rotation of the adjusting gear 2, the rotation of the adjusting gear 2 drives the azimuth adjusting seat 1 to move to the required position, then tighten the connecting bolt 63, and the azimuth adjustment is completed.

[0068] The application will be further described in the following specific examples, but it should be understood that the specific description herein should not be construed to limit the scope and spirit of the application, and various modifications made by those skilled in the art in light of the description below are within the scope of the application.

Claims

1. A centering three-degree-of-freedom adjustable eyeglass frame capable of meeting environmental adaptability testing requirements, characterized in that, The utility model relates to a kind of lens adjusting device, including: Azimuth adjustment seat (1), side surface is gear shape, bottom is provided with centering shaft (11), it is provided with arc long hole (12) with the centering shaft (11) as center on it; Adjusting gear (2), with the gear shape side surface of the azimuth adjustment seat (1) is engaged, rotating the adjusting gear (2) push the azimuth adjustment seat (1) with the centering shaft (11) as center, along the arc long hole (12) movement; Vertical mounting seat (3), vertically connect on the upper surface of the azimuth adjustment seat (1), it is provided with recess (31) on it; Elevation adjustment seat (4), it is provided with two adjusting shafts (41), the adjusting shaft (41) is located in the recess (31), by two round head cap bolt (42) passing through the elevation adjustment seat (4), the vertical mounting seat (3), the two are connected;The round head cap bolt (42) includes bolt head (421), bolt column (422) and round head cap (423), the bolt head (421) is connected with the bolt column (422), the round head cap (423) is rotated and is sleeved on the bolt column (422);The elevation adjustment seat (4) is provided with intercommunicating round hole (43) and column hole (46), the round hole (43) is matched with the round head cap (423), the vertical mounting seat (3) is provided with bolt column hole (32), the round head cap (423) is located in the round hole (43), the bolt column (422) is in turn worn in the column hole (46) and the bolt column hole (32); Lens (5), rotationally connected in the elevation adjustment seat (4), the center of the lens (5) coincides with rotation axis; The line between the two adjusting shafts (41) passes through the center of the lens (5), the central axis of the centering shaft (11) passes through the center of the lens (5).

2. The centering three-degree-of-freedom adjustment frame that can satisfy the environmental adaptability test according to claim 1, wherein The line between the two adjusting shafts (41) is parallel to the vertical mounting seat (3), and the line between the two round head cap bolts (42) is perpendicular to the vertical mounting seat (3) and passes through the center of the lens (5).

3. The centration three-degree-of-freedom adjustment frame that can satisfy the environmental adaptability test according to claim 1, wherein, It also includes a mounting plate (6), the mounting plate (6) is provided with a centering shaft hole (61) matched with the centering shaft (11), and the centering shaft (11) is located in the centering shaft hole (61).

4. The centration three-degree-of-freedom adjustment frame that can satisfy the environmental adaptability test of claim 3, wherein, The mounting plate (6) is also provided with a mounting hole (62), and a connecting bolt (63) passes through the arc long hole (12) and the mounting hole (62) to connect the azimuth adjustment seat (1) with the mounting plate (6).

5. The centration three-degree-of-freedom adjustment frame that can satisfy the environmental adaptability test of claim 3, wherein, It also includes a connecting rod (7) and a rotating rod (8) connected, the connecting rod (7) is connected to the mounting plate (6), the connecting rod (7) is provided with a hexagonal boss (71) at both ends, the adjusting gear (2) is provided with a hexagonal groove in the center, and the rotating rod (8) is provided with a hexagonal sleeve (81), and the hexagonal bosses (71) at both ends of the connecting rod (7) are rotationally connected in the hexagonal groove and the hexagonal sleeve (81).

6. The centration three-degree-of-freedom adjustment frame that can satisfy the environmental adaptability test according to claim 1, wherein, Also included is an adjusting frame (9), the lens (5) is installed in the adjusting frame (9), the adjusting frame (9) is rotationally connected in the tilt adjusting seat (4), the center of the lens (5) coincides with the rotation axis of the adjusting frame (9).

7. The centration three-degree-of-freedom adjustment frame that can satisfy the environmental adaptability test of claim 6, wherein, The adjusting frame (9) includes a mounting portion (91) for mounting the lens (5) and a connecting portion (92) connected in the tilt adjusting seat (4).

8. The centration three-degree-of-freedom adjustment frame that can satisfy the environmental suitability test according to claim 7, wherein, The tilt adjusting seat (4) is also provided with an adjusting hole (44) and a locating hole (45), the adjusting hole (44) is in communication with the locating hole (45), the connecting portion (92) is connected in the locating hole (45), and a top screw (93) passes through the adjusting hole (44) to abut against the connecting portion (92).

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