CN111965145A - Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device - Google Patents
Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device Download PDFInfo
- Publication number
- CN111965145A CN111965145A CN202010816265.4A CN202010816265A CN111965145A CN 111965145 A CN111965145 A CN 111965145A CN 202010816265 A CN202010816265 A CN 202010816265A CN 111965145 A CN111965145 A CN 111965145A
- Authority
- CN
- China
- Prior art keywords
- ball head
- optical window
- window assembly
- transmission resolution
- degree
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 117
- 230000005540 biological transmission Effects 0.000 title claims abstract description 64
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 47
- 208000010727 head pressing Diseases 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000013519 translation Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 20
- 230000001965 increasing effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract 1
- 230000036544 posture Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention belongs to the technical field of precision detection of optical windows, and particularly discloses a device and a method for testing multi-degree-of-freedom high-precision transmission resolution of a spatial non-coplanar optical window. The device realizes the rapid adjustment of a large-stroke space different-surface angle and the locking and fixing after the adjustment in place by forming a ball head universal structure by a ball head base, a ball head pressing ring and a ball head rotating rod; through hollow out construction's transition backup pad, avoided the block of transmission resolution ratio measurement in-process light, realized the transmission resolution ratio measurement of high accuracy. The invention solves the problems of large-angle rapid adjustment and high-precision stable measurement in the measurement of the transmission resolution of a large-scale optical window assembly, and has the characteristics of simple structure, no light shielding, large angle adjustment stroke, rapid and convenient operation and the like.
Description
Technical Field
The invention belongs to the technical field of optical window precision detection, and relates to a device for positioning and installing a spatial non-coplanar optical window assembly, adjusting and stably fixing a multi-angle pose, and testing optical high-precision transmission resolution.
Background
The space different-surface optical window assembly is a necessary condition for realizing multi-angle observation of photoelectric loads, and in order to meet the requirements of observation postures and angles, the optical window assembly adopts a different-surface space structure during design. Whether the transmission resolution of the optical window can meet the requirement and directly influence the image quality and the reconnaissance distance of the photoelectric load or not requires that the detection of high-precision resolution not only requires that each different-surface optical window of the optical window assembly is accurately positioned relative to a measuring beam, but also needs to be fixed and reliable after the pose state is adjusted, thereby ensuring the precision and the accuracy of resolution detection. The optical window assembly adopts a structure with different spatial surfaces, a plurality of optical windows are integrated on one assembly, various spatial angles exist among the optical windows, and the fixation and measurement after the optical window assembly is assembled are the bottleneck problem of the detection of the transmission resolution of the optical window assembly. Therefore, a device suitable for testing the high-precision resolution of the spatial optical window assembly with different surfaces is required to be found, so that the rapid adjustment and stable fixation of the spatial angle of the optical window assembly and the measurement precision of the transmission resolution are ensured.
The invention discloses a device for fixing a combined optical window and measuring the resolution by adopting a connecting rod, a sliding block and a nut mechanism, but the device has a complex tool structure, is complicated in adjusting operation of a large spatial two-plane angle (the maximum is 136 degrees), needs to adjust the positions and angles of three connecting rods at the same time, is difficult to adjust quickly, and is difficult to ensure the position and posture accuracy of the spatial two-plane optical window; because the transmission resolution at a plurality of positions of optical window need be measured when resolution ratio is measured, the carousel and branch of the device cause the influence to the test light path easily, are difficult to guarantee the resolution ratio of high accuracy and detect to when measuring the transmission resolution at the same optical window different positions, the device need move about from top to bottom, cause the angle change of combination optical window subassembly and collide with easily in the removal process, cause the product damage.
In conclusion, in order to realize the multi-degree-of-freedom high-precision resolution detection of the spatial non-coplanar optical window assembly, the novel device is light and handy in structure, simple and convenient, high in pose state adjusting speed and reliable in fixation, and does not influence a resolution measuring light path. The device can realize multi-degree-of-freedom adjustment, pose quick adjustment and high-precision resolution detection of the optical window assembly, and can avoid damage to the optical window assembly in the measurement process.
Disclosure of Invention
Objects of the invention
The invention provides a multi-degree-of-freedom high-precision transmission resolution testing device for a spatial non-coplanar optical window assembly, which aims to solve the problems that the erection process of a product is complex, the installation and fixation difficulty is high, the alignment of an optical window at a spatial non-coplanar angle is difficult, a transmission resolution measuring light path is blocked and the like in the transmission resolution testing process of the spatial non-coplanar optical window assembly.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a device for testing multi-degree-of-freedom transmission resolution of a spatial non-coplanar optical window assembly, comprising: the device comprises a supporting base body 1, a two-dimensional translation lifting mechanism 2, a ball head base 3, a ball head pressing ring 4, a ball head rotary rod 5, a transition supporting plate 6 and a pressing ring locking wrench 7; the two-dimensional translation lifting mechanism 2 is fixed on the supporting base body 1 and has lifting, horizontal translation and locking functions; the bottom of the ball head base 3 is connected with the two-dimensional translation lifting mechanism 2, and the upper end of the ball head base is provided with a concave hemispherical structure; the lower end of the ball head swing rod 5 is provided with a ball head structure, the ball head structure is arranged in a concave hemispherical structure of the ball head base 3, the upper part of the ball head swing rod 5 penetrates through the ball head pressing ring 4 and then is connected with the transition supporting plate 6, the lower part of the ball head pressing ring 4 is connected with the ball head base 3 and used for fastening the ball head swing rod 5, and the ball head structure of the ball head swing rod 5, the ball head base 3 and the ball head pressing ring 4 form a universal ball head structure; the transition support plate 6 is provided with a hole position, the transition support plate 6 and the optical window assembly 8 are connected through the hole position, and the ball head rotary rod 5 rotates to drive the transition support plate 6 to rotate so as to further drive the optical window assembly 8 to adjust the space angle.
The support base body 1 is a square thick flat plate, eight screw through holes are uniformly distributed in the center of the support base body, and the screw through holes correspond to threaded holes in the bottom of the two-dimensional translation lifting mechanism 2 and are used for connecting and fixing the two-dimensional translation lifting mechanism 2.
And mounting threaded holes are respectively formed in the bottom and the upper part of the two-dimensional translation lifting mechanism 2 and are used for connecting and supporting the base body 1 and the ball head base 3.
Eight screw through holes which are uniformly distributed in the circumference are formed in the bottom of the ball head base 3 and correspond to the threaded holes in the upper portion of the two-dimensional translation lifting mechanism 2; the upper end of the ball head base 3 is provided with an external thread which is a multi-start thread and is used for connecting the ball head pressing ring 4; eight circumferentially uniformly distributed screw through holes in the bottom of the ball head base 3 are connected with the two-dimensional translation lifting mechanism 2.
The ball head pressing ring 4 is provided with an internal thread and a ball ring structure, the internal thread is a multi-start thread and is matched with the external thread of the ball head base 3; the sphere diameter of the spherical ring structure is the same as that of the ball head rotating rod 5, and the spherical ring structure is used for increasing the contact area with the ball head rotating rod 5 in the locking process.
The ball head rotating rod 5 is provided with six through holes which are uniformly distributed on the circumference and connected with the transition support plate 6.
The transition support plate 6 is of a hollow structure and is provided with six threaded holes uniformly distributed on the circumference, and the transition support plate 6 is connected with the ball head rotary rod 5 through the six threaded holes.
Wherein, testing arrangement still includes: clamping ring locking spanner 7, ball head clamping ring 4 upper portion has the screw hole, corresponds with clamping ring locking spanner 7's screw thread for installation clamping ring locking spanner 7, clamping ring locking spanner 7 are used for locking ball head clamping ring 4, bulb swing arm 5 and bulb base 3.
The invention also provides a method for testing the multi-degree-of-freedom transmission resolution of the spatial different-plane optical window assembly, and the testing method adopts the multi-degree-of-freedom transmission resolution testing device for the spatial different-plane optical window assembly to measure the transmission resolution of the optical window assembly.
The test method comprises the following steps:
the first step is as follows: mounting of
The multi-degree-of-freedom high-precision transmission resolution testing device for the spatial non-coplanar optical window is arranged in front of the collimator and is reliably fixed through the supporting substrate 1; the transition support plate 6 is placed in a horizontal state, the ball head pressing ring 4, the ball head rotary rod 5 and the ball head base 3 are locked, and the optical window assembly 8 is installed on the transition support plate 6;
the second step is that: adjustment of
Loosening the locking ball head pressing ring 4, and rotating the ball head rotating rod 5 in the ball head base 3 to place the optical window 9 on the optical window assembly 8 in a state vertical to the axis of the collimator, and locking the ball head pressing ring 4, the ball head rotating rod 5 and the ball head base 3 at the moment;
the third step: measuring
The transmission resolution at different positions of the optical window assembly 8 is measured through the two-dimensional translation lifting mechanism 2;
the fourth step: other optical window measurements
And repeating the second step and the third step to finish the transmission resolution measurement of a plurality of different-surface optical windows of the optical window assembly.
(III) advantageous effects
The device for testing the multi-degree-of-freedom transmission resolution of the spatial different-plane optical window assembly has the advantages that the device is embodied in the following aspects.
The invention provides a device and a method for testing multi-degree-of-freedom high-precision transmission resolution of a spatial non-coplanar optical window.
The ball head pressing ring and the ball head base are provided with the multi-thread structure, so that the universal ball head structure can be quickly locked and released, the optical window assembly can be quickly rotated to a measuring state, and the operation is simple and quick.
And thirdly, the ball head pressing ring adopted by the universal ball head locking device has a ball ring structure, so that the contact area with a ball head rotating rod in the locking process is increased, and the friction force and the stability of the universal ball head after locking are improved.
And (IV) the transition support plate with the hollow structure is adopted, so that light blocking in the transmission resolution measurement process is avoided, and the transmission resolution measurement precision is improved.
And fifthly, the invention adopts a two-dimensional translation lifting mechanism, can quickly measure the transmission resolution at different positions of the same optical window through lifting and translation, and ensures the measurement precision of the transmission resolution.
Drawings
FIG. 1 is a schematic view of an installation of a spatial non-coplanar optical window multi-degree-of-freedom high-precision transmission resolution testing device and an optical window assembly;
the device comprises a support base body 1, a two-dimensional translation lifting mechanism 2, a ball head base 3, a ball head pressing ring 4, a ball head rotating rod 5, a transition supporting plate 6, a pressing ring locking spanner 7, an optical window assembly 8 and an optical window 9.
FIG. 2 is a universal ball head structure;
FIG. 3 is a transition support plate suitable for use in transmission resolution measurement of an optical window assembly;
FIG. 4 is a schematic diagram of high-precision transmission resolution measurement of a spatially-faceted optical window.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 4, the device for testing the multi-degree-of-freedom transmission resolution of a spatial optical window assembly according to the present invention includes: the ball head clamping device comprises a supporting base body 1, a two-dimensional translation lifting mechanism 2, a ball head base 3, a ball head pressing ring 4, a ball head rotary rod 5, a transition supporting plate 6 and a pressing ring locking wrench 7.
The supporting base body 1 is a square thick flat plate, the center of the supporting base body is provided with eight screw through holes which are uniformly distributed in the circumference, the screw through holes correspond to threaded holes in the bottom of the two-dimensional translation lifting mechanism 2 and are used for connecting and fixing the two-dimensional translation lifting mechanism 2, the whole device and the optical window assembly are guaranteed to be stable and reliable in the transmission resolution measuring process, and the risk of overturning is reduced.
The two-dimensional translation lifting mechanism has a lifting function, a horizontal translation function and a locking function. The two-dimensional translation lifting mechanism is provided with a mounting threaded hole and used for connecting and supporting the base body and the ball head base, so that the optical window assembly can be rapidly moved to different measuring positions of the same optical window in the transmission resolution measuring process, the optical window is not changed relative to the angle of measuring equipment in the moving process, and the optical window assembly can be locked through a self-locking function after reaching the transmission resolution measuring position.
Eight screw through holes which are uniformly distributed in the circumference are formed in the bottom of the ball head base 3 and correspond to threaded holes in the upper portion of the two-dimensional translation lifting mechanism 2. The upper end of the ball head base 3 is provided with a concave hemispherical structure and external threads, the spherical diameter of the concave hemispherical structure is the same as that of the ball head rotating rod 5, and the adjustment of the large-stroke space different-surface angle is ensured through the rotation of the ball head rotating rod 5 in the ball head base 3; the external thread is a multi-start thread and is matched with the internal thread on the ball head pressing ring 4, and when the ball head rotating rod 5 rotates to a space angle required by transmission resolution measurement, the ball head rotating rod 5 and the ball head base 3 are quickly locked through the ball head pressing ring 4; eight circumference equipartition screw via holes in bottom with two-dimentional translation elevating system 2 is connected, guarantees that optical window subassembly 8 is reliable and stable among the space angle adjustment process.
The ball head pressing ring 4 is provided with an internal thread and a ball ring structure, the internal thread is a multi-start thread and is matched with the external thread of the ball head base 3 for use, so that the ball head rotating rod 5 and the ball head base 3 can be quickly locked and released; the sphere diameter of the spherical ring structure is the same as that of the ball head rotating rod 5, and the spherical ring structure is used for increasing the contact area with the ball head rotating rod 5 in the locking process and improving the friction force. The upper part of the ball head pressing ring 4 is provided with a threaded hole which corresponds to the thread of the pressing ring locking wrench 7 and is used for installing the pressing ring locking wrench 7.
The ball head rotating rod 5 is provided with a ball head structure and six through holes which are uniformly distributed and installed on the circumference. The ball head rotating rod 5 penetrates through the ball head pressing ring 4 from bottom to top, the ball diameter of the lower portion of the ball head rotating rod 5 is consistent with the ball diameter of a concave hemisphere at the upper end of the ball head base 3, the ball head rotating rod 5 is arranged in the concave hemisphere structure of the ball head base 3 and is fastened by the ball head pressing ring 4, a multi-start thread structure is arranged in the ball head pressing ring 4 and corresponds to an external thread at the upper end of the ball head base 3, so that the ball head structure of the ball head rotating rod 5, the ball head base 3 and the ball head pressing ring 4 form a universal ball head structure, and adjustment and locking; six circumference equipartition via holes are connected with transition backup pad 6, guarantee to connect reliably, and stable fixed.
The transition support plate 6 is of a hollow structure and is provided with six threaded holes uniformly distributed on the circumference and hole sites connected with the optical window assembly 8, and the transition support plate 6 is connected with the optical window assembly 8 through the hole sites connected with the optical window assembly 8; the transition support plate 6 is connected with the ball head swing rod 5 through six threaded holes, and the transition support plate 6 is driven to rotate through the rotation of the ball head swing rod 5, so that the space angle of the optical window assembly 8 is further driven to be adjusted; the hollow structure of the transition support plate 6 ensures no light shading in the measurement process of the transmission resolution, and simultaneously ensures that the posture change caused by poor rigidity of the transition support plate 6 in the measurement process can not occur in the optical window component 8, thereby realizing high-precision measurement of the transmission resolution.
The pressing ring locking wrench 7 is connected with the ball head pressing ring 4 and used for locking the ball head pressing ring 4, the ball head rotary rod 5 and the ball head base 3.
In the device, the supporting base body 1 is used for ensuring that the whole device and the optical window assembly are stable and reliable in the transmission resolution measurement process, and the risk of overturning is reduced; the two-dimensional translation lifting mechanism 2 is used for realizing rapid movement to different measurement positions of the same optical window after the optical window is adjusted to a measurement attitude; the universal ball head structure consisting of the ball head base 3, the ball head pressing ring 4 and the ball head rotating rod 5 ensures the adjustment and locking of the large-stroke space different-surface angle; the transition support plate 6 is used for being connected with the optical window assembly, so that no light shielding is ensured in the transmission resolution measurement process, and the high-precision measurement of the transmission resolution is further ensured.
The design process of the transition support plate 6 of the present embodiment includes the following steps:
the first step is as follows: and modeling the transition support plate and the optical window assembly in software, wherein the transition support plate is a solid flat plate and is only provided with a hole site connected with the optical window assembly. Contact constraint and concentric constraint are added on the connecting hole positions of the transition support plate and the optical window assembly, so that the transition support plate keeps synchronous rotation in the rotation process of the optical window assembly;
the second step is that: establishing the constraint of the optical window assembly and a reference coordinate system: selecting a spatial out-of-plane optical window in the optical window assembly, and establishing parallel constraint of the optical window and a reference coordinate system;
the third step: designing measuring beams with different calibers, respectively placing the measuring beams at different positions of the same optical window, and carrying out Boolean difference calculation on the measuring beams and the transition support plate model in software to obtain the transition support plate model which accords with the measurement of the transmission resolution of the optical window;
the fourth step: establishing parallelism constraints of other non-coplanar optical windows in the optical window assembly and a reference coordinate system respectively, designing measuring beams with different calibers, placing the measuring beams at different positions of the optical windows respectively, and performing Boolean difference operation on the measuring beams and a transition support plate model in software to obtain a transition support plate model meeting the measurement requirement of the transmission resolution of each optical window, so as to ensure that each optical window has no shielding in the measurement process of the transmission resolution;
the fifth step: and carrying out structural optimization on the transition plate support model in the fourth step: and the structure of the transition support plate is optimized from the modal analysis, the processing method and the assembling process respectively, and the rigidity of the transition support plate is ensured on the premise of ensuring that the measured clear aperture is not blocked.
Based on the device for testing the multi-degree-of-freedom transmission resolution of the spatial different-plane optical window, the method for testing the multi-degree-of-freedom transmission resolution of the spatial different-plane optical window comprises the following steps:
the first step is as follows: mounting of
The multi-degree-of-freedom high-precision transmission resolution testing device for the spatial non-coplanar optical window is arranged in front of the collimator and is reliably fixed through the supporting substrate 1. Placing the transition support plate 6 in a horizontal state, locking the ball head pressing ring 4, the ball head rotary rod 5 and the ball head base 3 by using a pressing ring locking wrench 7, and installing the optical window assembly 8 on the transition support plate 6;
the second step is that: adjustment of
Loosening the locking ball head pressing ring 4, placing the optical window 9 in a state vertical to the axis of the collimator through the rotation of the ball head rotating rod 5 in the ball head base 3, and locking the ball head pressing ring 4, the ball head rotating rod 5 and the ball head base 3 through a pressing ring locking wrench 7;
the third step: measuring
High-precision measurement of transmission resolutions at different positions is carried out on the optical window assembly 8 through the two-dimensional translation lifting mechanism 2;
the fourth step: other optical window measurements
And repeating the second step and the third step to finish the transmission resolution measurement of a plurality of different-surface optical windows of the optical window assembly.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A spatial out-of-plane optical window assembly multi-degree-of-freedom transmission resolution testing device is characterized by comprising: the device comprises a supporting base body (1), a two-dimensional translation lifting mechanism (2), a ball head base (3), a ball head pressing ring (4), a ball head rotary rod (5), a transition supporting plate (6) and a pressing ring locking wrench (7); the two-dimensional translation lifting mechanism (2) is fixed on the supporting base body (1) and has the functions of lifting, horizontal translation and locking; the bottom of the ball head base (3) is connected with the two-dimensional translation lifting mechanism (2), and the upper end of the ball head base is provided with a concave hemispherical structure; the lower end of the ball head rotating rod (5) is provided with a ball head structure, the ball head structure is arranged in a concave hemispherical structure of the ball head base (3), the upper part of the ball head rotating rod (5) penetrates through the ball head pressing ring (4) and then is connected with the transition supporting plate (6), the lower part of the ball head pressing ring (4) is connected with the ball head base (3) and is used for fastening the ball head rotating rod (5), and the ball head structure of the ball head rotating rod (5), the ball head base (3) and the ball head pressing ring (4) form a universal ball head structure; the transition support plate (6) is provided with a hole position, the transition support plate (6) and the optical window assembly (8) are connected through the hole position, the ball head rotary rod (5) rotates to drive the transition support plate (6) to rotate, and the space angle of the optical window assembly (8) is further driven to be adjusted.
2. The device for testing the multi-degree-of-freedom transmission resolution of the spatial non-coplanar optical window assembly according to claim 1, wherein the supporting base (1) is a square thick flat plate, eight screw through holes are formed in the center of the supporting base, the screw through holes are circumferentially and uniformly distributed, the screw through holes correspond to threaded holes in the bottom of the two-dimensional translation lifting mechanism (2), and the screw through holes are used for connecting and fixing the two-dimensional translation lifting mechanism (2).
3. The device for testing the multi-degree-of-freedom transmission resolution of the spatial non-coplanar optical window assembly according to claim 2, wherein the two-dimensional translation lifting mechanism (2) is provided with mounting threaded holes at the bottom and the upper part thereof respectively, and is used for connecting the support base (1) and the ball head base (3).
4. The device for testing the multi-degree-of-freedom transmission resolution of the spatial non-coplanar optical window assembly according to claim 3, wherein eight screw through holes are formed in the bottom of the ball head base (3) and are uniformly distributed in the circumferential direction, and the screw through holes correspond to threaded holes in the upper portion of the two-dimensional translation lifting mechanism (2); the upper end of the ball head base (3) is provided with an external thread which is a multi-start thread and is used for connecting the ball head pressing ring (4); eight circumferentially uniformly distributed screw through holes at the bottom of the ball head base (3) are connected with the two-dimensional translation lifting mechanism (2).
5. The device for testing the multi-degree-of-freedom transmission resolution of the spatial non-coplanar optical window assembly as recited in claim 4, wherein the ball-head pressing ring (4) is provided with an internal thread and a ball-ring structure, the internal thread is a multi-start thread and is matched with an external thread of the ball-head base (3); the sphere diameter of the spherical ring structure is the same as that of the ball head rotating rod (5), and the spherical ring structure is used for increasing the contact area with the ball head rotating rod (5) in the locking process.
6. The device for testing the multi-degree-of-freedom transmission resolution of the spatial non-coplanar optical window assembly according to claim 5, wherein the ball head rotating rod (5) is provided with six through holes which are uniformly circumferentially arranged and connected with the transition support plate (6).
7. The device for testing the multi-degree-of-freedom transmission resolution of the spatial non-coplanar optical window assembly according to claim 6, wherein the transition support plate (6) is of a hollow structure and is provided with six threaded holes uniformly distributed on the circumference, and the transition support plate (6) is connected with the ball head rotating rod (5) through the six threaded holes.
8. The apparatus for testing multi-degree-of-freedom transmission resolution of a spatially-faceted optical window assembly of claim 7, further comprising: clamping ring locking spanner (7), bulb clamping ring (4) upper portion has the screw hole, corresponds with the screw thread of clamping ring locking spanner (7) for installation clamping ring locking spanner (7), and clamping ring locking spanner (7) are used for locking bulb clamping ring (4), bulb swing arm (5) and bulb base (3).
9. A method for testing the multi-degree-of-freedom transmission resolution of a spatial non-coplanar optical window assembly is characterized in that the testing method adopts the multi-degree-of-freedom transmission resolution testing device of the spatial non-coplanar optical window assembly as claimed in any one of claims 1 to 8 to measure the transmission resolution of the optical window assembly.
10. The method for testing the multi-degree-of-freedom transmission resolution of the spatially-faceted optical window assembly of claim 9, comprising the steps of:
the first step is as follows: mounting of
The multi-degree-of-freedom high-precision transmission resolution testing device for the spatial non-coplanar optical window is arranged in front of the collimator and is reliably fixed through the supporting substrate (1); the transition support plate (6) is placed in a horizontal state, the ball head pressing ring (4), the ball head rotating rod (5) and the ball head base (3) are locked, and the optical window assembly (8) is installed on the transition support plate (6);
the second step is that: adjustment of
Loosening the locking ball head pressing ring (4), and rotating the ball head rotating rod (5) in the ball head base (3) to place the optical window (9) on the optical window assembly (8) in a state vertical to the axis of the collimator, and locking the ball head pressing ring (4), the ball head rotating rod (5) and the ball head base (3);
the third step: measuring
The transmission resolution at different positions of the optical window assembly (8) is measured through the two-dimensional translation lifting mechanism (2);
the fourth step: other optical window measurements
And repeating the second step and the third step to finish the transmission resolution measurement of a plurality of different-surface optical windows of the optical window assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010816265.4A CN111965145A (en) | 2020-08-14 | 2020-08-14 | Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010816265.4A CN111965145A (en) | 2020-08-14 | 2020-08-14 | Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111965145A true CN111965145A (en) | 2020-11-20 |
Family
ID=73366089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010816265.4A Pending CN111965145A (en) | 2020-08-14 | 2020-08-14 | Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111965145A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858228A (en) * | 2021-01-22 | 2021-05-28 | 西安应用光学研究所 | Device and method for measuring transmission resolution of large-size optical window part |
| CN113830325A (en) * | 2021-06-25 | 2021-12-24 | 航天时代飞鸿技术有限公司 | Unmanned aerial vehicle test posture adjustment test cabin and test method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857047Y (en) * | 2005-11-18 | 2007-01-10 | 中国科学院上海光学精密机械研究所 | Universal optical lens frame adjusting seat |
| CN1908735A (en) * | 2006-08-11 | 2007-02-07 | 中国科学院上海光学精密机械研究所 | Precision optical adjusting rack |
| CN102707411A (en) * | 2012-05-31 | 2012-10-03 | 中国科学院西安光学精密机械研究所 | Compact universal adjusting folding-shaft reflecting mirror mechanism |
| CN102768390A (en) * | 2012-08-01 | 2012-11-07 | 中国兵器工业第二0五研究所 | Installation adjusting device suitable for combination optical window testing |
| CN103293633A (en) * | 2013-07-02 | 2013-09-11 | 中国工程物理研究院总体工程研究所 | Adjustable support device used for obliquely placed big-caliber reflecting mirror |
| CN106895830A (en) * | 2017-03-03 | 2017-06-27 | 中国科学院长春光学精密机械与物理研究所 | A kind of Wedge-type precision levelling gear for optics load light axial adjustment |
| CN208414364U (en) * | 2018-05-29 | 2019-01-22 | 威海远航科技发展股份有限公司 | Lautertuns coulter manual hoisting device |
| CN111496721A (en) * | 2020-04-30 | 2020-08-07 | 中国工程物理研究院机械制造工艺研究所 | Positioning ball head assembling and adjusting method and tool |
-
2020
- 2020-08-14 CN CN202010816265.4A patent/CN111965145A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857047Y (en) * | 2005-11-18 | 2007-01-10 | 中国科学院上海光学精密机械研究所 | Universal optical lens frame adjusting seat |
| CN1908735A (en) * | 2006-08-11 | 2007-02-07 | 中国科学院上海光学精密机械研究所 | Precision optical adjusting rack |
| CN102707411A (en) * | 2012-05-31 | 2012-10-03 | 中国科学院西安光学精密机械研究所 | Compact universal adjusting folding-shaft reflecting mirror mechanism |
| CN102768390A (en) * | 2012-08-01 | 2012-11-07 | 中国兵器工业第二0五研究所 | Installation adjusting device suitable for combination optical window testing |
| CN103293633A (en) * | 2013-07-02 | 2013-09-11 | 中国工程物理研究院总体工程研究所 | Adjustable support device used for obliquely placed big-caliber reflecting mirror |
| CN106895830A (en) * | 2017-03-03 | 2017-06-27 | 中国科学院长春光学精密机械与物理研究所 | A kind of Wedge-type precision levelling gear for optics load light axial adjustment |
| CN208414364U (en) * | 2018-05-29 | 2019-01-22 | 威海远航科技发展股份有限公司 | Lautertuns coulter manual hoisting device |
| CN111496721A (en) * | 2020-04-30 | 2020-08-07 | 中国工程物理研究院机械制造工艺研究所 | Positioning ball head assembling and adjusting method and tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858228A (en) * | 2021-01-22 | 2021-05-28 | 西安应用光学研究所 | Device and method for measuring transmission resolution of large-size optical window part |
| CN112858228B (en) * | 2021-01-22 | 2023-04-28 | 西安应用光学研究所 | Device and method for measuring transmission resolution of large-size optical window part |
| CN113830325A (en) * | 2021-06-25 | 2021-12-24 | 航天时代飞鸿技术有限公司 | Unmanned aerial vehicle test posture adjustment test cabin and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108489401B (en) | Split type calibration target, calibration device with target and calibration method of calibration device | |
| CN111965145A (en) | Spatial different-plane optical window assembly multi-degree-of-freedom transmission resolution testing device | |
| CN110978059B (en) | Portable six-axis manipulator calibration device and calibration method thereof | |
| CN106949909B (en) | Gyroscope calibration system and method based on astronomical azimuth angle | |
| CN102059589A (en) | Device and method for detecting inclination angle error of laser displacement sensor | |
| CN112985366B (en) | Multi-angle mapping device for building engineering | |
| CN105459086A (en) | Horizontal direction and yaw-adjustable three-degree-of-freedom parallel posture adjusting platform | |
| CN114460713A (en) | Precise unloading structure of large-diameter reflector | |
| CN114719752A (en) | Method for measuring geometric parameters of precision part based on universal tool microscope and measuring head | |
| CN113804401A (en) | Full-automatic horizontal correction system and detection equipment | |
| CN219513346U (en) | Antenna device capable of rotating in multiple directions | |
| CN111707616B (en) | Multi-axis motion system and detection method for angle-resolved scatter detection device | |
| CN112122917B (en) | Accurate matching method for engine assembly | |
| CN114279303B (en) | Device and method for detecting verticality of double-sided micro-cylindrical lens array | |
| CN111735410A (en) | Bell-shaped spherical shell part measuring device and measuring method thereof | |
| CN111219573B (en) | Precision positioning device for image electronic element | |
| CN218767124U (en) | Phased array antenna test system | |
| CN107806856B (en) | experimental detection device and method for simulating target space attitude | |
| CN115740511A (en) | High-precision optical lens machining device and working method thereof | |
| CN113137978A (en) | Two-dimensional pointing mechanism precision measurement device | |
| EP2702350A1 (en) | Portable measuring machine with high-precision five-axis articulated arms | |
| CN112393688A (en) | Three-laser combined measuring head and light beam coplanar concurrent adjustment method | |
| CN111366107A (en) | Five revolving stage axis measuring subassembly | |
| CN216970040U (en) | Ball head positioning and locking device | |
| Huang et al. | A New Positioning Device Designed for Aircraft Automated Alignment System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201120 |