CN103676065B - The regulation fixing apparatus of Large Aperture Lenses - Google Patents
The regulation fixing apparatus of Large Aperture Lenses Download PDFInfo
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- CN103676065B CN103676065B CN201310530362.7A CN201310530362A CN103676065B CN 103676065 B CN103676065 B CN 103676065B CN 201310530362 A CN201310530362 A CN 201310530362A CN 103676065 B CN103676065 B CN 103676065B
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Abstract
A regulation fixing apparatus for Large Aperture Lenses, comprises a picture frame, multiple adjustment block for Large Aperture Lenses radial location, for the elasticity trim ring of Large Aperture Lenses axial restraint, multiple adjustment screw and gib screw.Described regulation fixing apparatus adjustable lens, relative to the radial position of picture frame, finally reaches and makes lens axis and the coaxial object of picture frame reference axis.It is fixing that the present invention is applicable to Large Aperture Lenses adjustment, and structure is simply light and handy, and mounting and adjusting is convenient, has higher security, can carry out the location of degree of precision, reduce overall dimensions and the weight of structure simultaneously to lens; Adjustment block of the present invention adopts the material with lens similar thermal expansion coefficient, and elasticity trim ring is provided with slit, can reduce temperature variation and extraneous vibration to the impact of lens; Part of the present invention uses common fine turning lathe to process can reach precision prescribed, reduces processing cost.
Description
Technical field
The present invention relates to optical field, particularly relate to a kind of regulation fixing apparatus for Large Aperture Lenses.
Background technology
The stationary installation with the Large Aperture Lenses of higher positioning accuracy needs to possess higher intensity, rigidity, security, preferably stability.The supporting construction of lens can cause lens surface deformation, thus affect the surface figure accuracy of lens, need consider the impact that rational supporting way reduction supporting construction is brought to lens face shape deflection, common lens fixed form can not meet the requirement with the Large Aperture Lenses that located higher requires.
Fig. 1 is a kind of lens installation structure usually adopted, wherein: 01-picture frame, 02-1# lens, 03-adjust screw.The principle of work of this structure is as follows: picture frame 01 is provided with four 90 degree adjustment screws 03 spaced apart, adjustment screw 03 can drive 1# lens 02 to move relative to picture frame 01, this kind of structural adjustment is convenient, be applicable to the installation of small-bore lens, adjustment screw 03 directly contacts 1# lens 02, easily cause the stress of contact point to concentrate, destroy the face shape of 1# lens, affect image quality.
Another kind of lens adjusting mechanism as shown in Figure 2, wherein: the removable picture frame of 04-2# lens, 05-, 06-fix microscope base, 07-screw.The principle of work of this mechanism is as follows: 2# lens 04 are fixed in a removable picture frame 05, removable picture frame 05 is positioned on fixing microscope base 06, fixing microscope base 06 is provided with three 120 degree uniform screws 07, screw 07 drives removable picture frame 05 to move, and changes the position of removable picture frame 05 relative to fixing microscope base 06.This kind of not direct contact lens of mechanism's screw 07, easy to adjust, but this kind of mode easily causes structure huger, heavier mass, if and 2# lens 04 optical axis is tilt relative to the central shaft of removable picture frame 05, is arranged on after on fixing microscope base 06, cannot adjusts the inclination of optical axis.
For more accurate Large Aperture Lenses, centering turning mode can be adopted, first lens and picture frame are fixed together by bonding or other modes, then realize lens light axis by adjusting gear and machine tool chief axis is coaxial, the location end face of reprocessing picture frame and excircle orientation face.But this mode need use more accurate lathe or diamond lathe and configure centring means, and cost is higher, and process easily impacts the face shape of eyeglass.
Summary of the invention
The object of the present invention is to provide a kind of regulation fixing apparatus for Large Aperture Lenses, this mechanism structure is simple, and mounting and adjusting is convenient, has higher security, high-precision axial location can be carried out to Large Aperture Lenses, extraneous vibration and temperature variation can be reduced on the impact of lens simultaneously.
Technical solution of the present invention is as follows:
A regulation fixing apparatus for Large Aperture Lenses, its feature is that this device comprises a picture frame, the multiple adjustment blocks be fixed on picture frame, elasticity trim ring, multiple adjustment screw, multiple first gib screw and second gib screw;
Described picture frame comprises upper flange, lower flange and connects the cylinder body of upper flange and lower flange; The periphery of the upper surface of described upper flange has the first through hole or threaded hole, be called locating surface, the periphery of the lower surface of lower flange has multiple second through hole or threaded hole is called lower locating surface, described cylinder body extends internally and is provided with the toroid of confession Large Aperture Lenses placement, and this toroidal radius-of-curvature is identical with the radius-of-curvature of Large Aperture Lenses lower surface; The lateral surface of described upper flange is reference field, and this reference field is coaxial with described toroid, for the optical axis alignment of described Large Aperture Lenses; This reference field be picture frame and other anatomical connectivity time radial location reference field;
Described upper locating surface and lower locating surface are all perpendicular to the axis of described reference field; Described upper locating surface and lower locating surface are the axial locating surface that described picture frame is connected with other adjacent devices;
The cylinder body of described picture frame offers multiple evenly spaced groove, this groove is made up of perpendicular to first groove face in bottom supporting face and the second groove face first face of cylinder coaxial with described reference field, bottom supporting face, two, left and right; The cylinder body of each groove is provided with the first threaded hole, and the central axis of this first threaded hole is in first face of cylinder; Adjustment screw screw in described in the first threaded hole in and the bulb of this adjustment screw contact with the lateral surface of described adjustment block, radially move to promote described adjustment block, thus drive Large Aperture Lenses radially move;
The bottom supporting face of described groove is provided with plural second threaded hole, for fixing described adjustment block;
It is the ring block with described cylinder body one between groove described in two, the inner ring surface of described ring block is second face of cylinder, coaxial with the first described face of cylinder, the internal diameter on second face of cylinder is greater than the external diameter of the external cylindrical surface of described Large Aperture Lenses;
The upper surface of described ring block is the second plane, is parallel to the bottom supporting face of described groove, the second plane has the 3rd threaded hole, for fixing described elasticity trim ring; Described adjustment block medial surface is that arc locating surface coordinates with the external cylindrical surface of Large Aperture Lenses, and for the radial location of Large Aperture Lenses, the radius-of-curvature of this arc locating surface is identical with the radius of the external cylindrical surface of described Large Aperture Lenses;
Described adjustment block is placed in described groove, and adjustment block is fixed in described picture frame by the second described gib screw; The bottom surface of adjustment block contacts with the bottom supporting face of groove, and the lateral surface of described adjustment block is adjacent with first face of cylinder and leave adjusting play therebetween, and the end face of described adjustment block is parallel with described the second plane (192), or lower than the second plane.
Described adjustment block has the first slit, the end face of the described through adjustment block of the first slit and bottom surface, for reduce vibration and temperature variation on the impact of Large Aperture Lenses.
The thermal expansivity of described adjustment block and described Large Aperture Lenses similar thermal expansion coefficient.
Described elasticity trim ring is integrally made up of the elastic ring body of inner ring and the ring flange of outer ring, described elastic ring body has many along the circumferential direction uniform elastic grooves, the external diameter of described elastic ring body is less than the external diameter of Large Aperture Lenses (2), the boss that described elastic ring body has more than three contacts with described Large Aperture Lenses, described ring flange have the third through-hole corresponding with the 3rd threaded hole of described picture frame, described elasticity trim ring is fixed on the 3rd threaded hole of described picture frame by the 3rd threaded hole of the picture frame described in the first described gib screw screws in through this third through-hole, Large Aperture Lenses is axially fixed in described picture frame.
The upper flange of described picture frame and lower flange have identical external diameter, and the second through hole of the first through hole of described upper flange or threaded hole and lower flange or the position of threaded hole and size one_to_one corresponding.
Compared with original mechanism, the present invention has following technique effect:
1, the present invention select adjustment block nested enter the structure of picture frame, simply lightly, mounting and adjusting is convenient, has higher security, is applicable to high-aperture lens, can carry out the coaxial positioning of degree of precision, reduce overall dimensions and the weight of structure simultaneously to lens;
2, adjustment block of the present invention adopts the material with the similar thermal expansion coefficient of lens, and elasticity trim ring is provided with slit, can reduce temperature variation and extraneous vibration to the impact of lens;
3, part of the present invention uses the processing of common fine turning lathe to reach precision prescribed, reduces processing cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of lens installation structure of prior art;
Fig. 2 is the diagrammatic cross-section of the another kind of lens adjusting mechanism of prior art;
Fig. 3 is the stereographic map of the regulation fixing apparatus of Large Aperture Lenses of the present invention;
Fig. 4 is the vertical view of the regulation fixing apparatus of Large Aperture Lenses of the present invention;
Fig. 5 is the A-A cut-open view of Fig. 4;
Fig. 6 is the partial enlarged drawing in Fig. 5 in rectangle frame B;
Fig. 7 is the stereographic map of the picture frame of a kind of regulation fixing apparatus for Large Aperture Lenses of the present invention;
Fig. 8 is the stereographic map of the adjustment block of a kind of regulation fixing apparatus for Large Aperture Lenses of the present invention;
Fig. 9 is the stereographic map of the elasticity trim ring of a kind of regulation fixing apparatus for Large Aperture Lenses of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation:
Refer to Fig. 3, Fig. 4, Fig. 5, Fig. 6, as seen from the figure, the regulation fixing apparatus of Large Aperture Lenses of the present invention, is characterized in that this device comprises a picture frame 1, is multiplely fixed on adjustment block 3, the elasticity trim ring 4 on picture frame 1, multiple adjustment screw 7, multiple first gib screw 5 and the second gib screw 6;
Described picture frame 1 comprises upper flange 12, lower flange 13 and connects the cylinder body 11 of upper flange 12 and lower flange 13; The periphery of the upper surface of described upper flange 12 has the first through hole or threaded hole, be called locating surface 121, the periphery of the lower surface of lower flange 13 has multiple second through hole or threaded hole is called lower locating surface 131, described cylinder body 11 extends internally and is provided with the toroid 15 of confession Large Aperture Lenses 2 placement, and the radius-of-curvature of this toroid 15 is identical with the radius-of-curvature of Large Aperture Lenses 2 lower surface 22; The lateral surface of described upper flange 12 is reference field 122, and this reference field 122 is coaxial with described toroid 15, for the optical axis alignment of described Large Aperture Lenses 2; This reference field 122 is picture frame 1 and the reference field of radial location during other anatomical connectivity;
Described upper locating surface 121 and lower locating surface 131 are all perpendicular to the axis of described reference field 122; Described upper locating surface 121 and lower locating surface 131 are the axial locating surface that described picture frame 1 is connected with other adjacent devices;
The cylinder body 11 of described picture frame 1 offers multiple evenly spaced groove 18, and this groove 18 is made up of perpendicular to first groove face 181 in bottom supporting face 183 and the second groove face 182 first face of cylinder 14 coaxial with described reference field 122, bottom supporting face 183, two, left and right; The cylinder body 11 of each groove 18 is provided with the first threaded hole 16, and this first threaded hole 16 is positioned on the first groove face 181 of described groove 18 and the plane of symmetry of the second groove face 182, and the central axis of this first threaded hole 16 is in first face of cylinder 14; Adjustment screw 7 screws in the first described threaded hole 16 and the bulb 71 of this adjustment screw 7 contacts with the lateral surface 31 of described adjustment block 3, radially moves to promote described adjustment block 3, thus drive Large Aperture Lenses 2 radially moves;
The bottom supporting face 183 of described groove 18 is provided with plural second threaded hole 17, for fixing described adjustment block 3;
It is the ring block 19 with described cylinder body 11 one between groove 18 described in two, the inner ring surface of described ring block 19 is second face of cylinder 191, coaxial with the first described face of cylinder 14, the internal diameter on second face of cylinder 191 is greater than the external diameter of the external cylindrical surface 23 of described Large Aperture Lenses 2;
The upper surface of described ring block 19 is the second plane 192, and bottom supporting face 183, second plane 192 being parallel to described groove 18 has the 3rd threaded hole 110, for fixing described elasticity trim ring 4; Described adjustment block 3 medial surface is that arc locating surface 34 coordinates with the external cylindrical surface 23 of Large Aperture Lenses 2, and for the radial location of Large Aperture Lenses 2, the radius-of-curvature of this arc locating surface 34 is identical with the radius of the external cylindrical surface 23 of described Large Aperture Lenses 2;
Described adjustment block 3 is placed in described groove 18, and adjustment block 3 is fixed in described picture frame 1 by the second described gib screw 6; The bottom surface 35 of adjustment block 3 contacts with the bottom supporting face 183 of groove 18, the lateral surface 31 of described adjustment block 3 is adjacent with first face of cylinder 14 and leave adjusting play therebetween, the end face 32 of described adjustment block 3 is parallel with the second described plane 192, or lower than the second plane 192.
Described adjustment block 3 has the first slit 33, the end face 32 of the described through adjustment block 3 of the first slit 33 and bottom surface 35, for reduce vibration and temperature variation on the impact of Large Aperture Lenses 2.
The thermal expansivity of described adjustment block 3 and described Large Aperture Lenses 2 similar thermal expansion coefficient.
Refer to Fig. 9, described elasticity trim ring 4 is integrally made up of the elastic ring body 41 of inner ring and the ring flange 42 of outer ring, described elastic ring body 41 has many along the circumferential direction uniform elastic grooves 412, the external diameter of described elastic ring body 41 is less than the external diameter of Large Aperture Lenses 2, the boss 411 that described elastic ring body 41 has more than three contacts with described Large Aperture Lenses 2, described ring flange 42 have the through hole corresponding with the 3rd threaded hole 110 of described picture frame 1, described elasticity trim ring 4 is fixed on the 3rd threaded hole 110 of described picture frame 1 by the 3rd threaded hole 110 of the picture frame 1 described in the first described gib screw 5 screws in through this through hole, Large Aperture Lenses 2 is axially fixed in described picture frame 1.
In embodiment: the quantity of described adjustment block 3 is six, be evenly distributed on described cylinder body 11 circumferentially.The quantity of adjustment block 3 is not limited to six, and according to different application occasion, quantity can be three, four or multiple, but adjustment block 3 number needs is less than the quantity of groove 18, and interval is identical is fixed on the bottom supporting face 183 of picture frame 1;
Described adjustment block 3 can select the material with Large Aperture Lenses 2 similar thermal expansion coefficient;
See Fig. 9, described elastic ring body 41 has many along the circumferential direction uniform elastic grooves 412, can be used for reducing temperature variation and the impact of vibration on Large Aperture Lenses 2; The external diameter of described elastic ring body 41 should be less than the external diameter of Large Aperture Lenses 2;
Described ring flange 42 has through hole, and elasticity trim ring 4 is fixed on the 3rd threaded hole 110 of picture frame 1 by three or three above-described first gib screws 5, thus by Large Aperture Lenses 2 axial restraint.
Upper flange 12 and the lower flange 13 of described picture frame 1 have identical external diameter, and the second through hole of the first through hole of described upper flange 12 or threaded hole and lower flange 13 or the position of threaded hole and size one_to_one corresponding.
See Fig. 3-Fig. 9, principle of work of the present invention is as follows:
Use laser center orientator to debug, Large Aperture Lenses 2 is adjusted to the reference field of picture frame 1 coaxial.First picture frame 1 is fixed to the upper surface of laser center orientator by jig, adjustment block 3, second gib screw 6 and adjustment screw 7 are loaded picture frame 1, second gib screw 6 cannot be tightened, then Large Aperture Lenses 2 is inserted in picture frame 1, the lower surface 22 of Large Aperture Lenses 2 contacts with toroid 15, the centre of sphere O of lower surface is made to drop on the axis AA ' of the axis of toroid 15 and the reference field 122 of picture frame 1 automatically, under gravity, lower surface 22 keeps contacting with the toroid 15 of picture frame 1, and the centre of sphere of upper surface 21 falls within an O
1' place, rotate adjustment screw 7 drive Large Aperture Lenses 2 radially to move, the centre of sphere O of lower surface 22 still on reference axis AA ', the centre of sphere O of upper surface 21
1' move to an O ' place, point O ' is on reference axis AA ', the optical axis OO ' of final Large Aperture Lenses 2 is coaxial with the axis AA ' of the reference field 122 of picture frame 1, use the optical axis OO ' of laser center orientator monitoring Large Aperture Lenses 2, until the optical axis OO ' of the Large Aperture Lenses 2 and reference axis AA ' of picture frame 1 is coaxial, lock the second gib screw 6 fixed adjustment block 3, by fixing for Large Aperture Lenses 2 radial direction.Load elasticity trim ring 4 and the first gib screw 5, by Large Aperture Lenses 2 axial restraint.Six uniform distributions of adjustment block 3, can make the contact of Large Aperture Lenses 2 radial direction even, stressed uniform; Elasticity trim ring 4 is radially uniform with the axial surface of contact of Large Aperture Lenses 2, axial restraint uniform pressure distribution, thus can ensure higher positioning precision and stability.
Claims (5)
1. a regulation fixing apparatus for Large Aperture Lenses, is characterized in that this device comprises a picture frame (1), multiple adjustment block (3) be fixed on picture frame (1), elasticity trim ring (4), multiple adjustment screw (7), multiple first gib screw (5) and second gib screw (6);
Described picture frame (1) comprises upper flange (12), lower flange (13) and connects the cylinder body (11) of upper flange (12) and lower flange (13); The periphery of the upper surface of described upper flange (12) has the first through hole, be called locating surface (121), the periphery of the lower surface of lower flange (13) has multiple second through hole, be called lower locating surface (131), described cylinder body (11) extends internally and is provided with for Large Aperture Lenses (2) toroid (15) placed, and the radius-of-curvature of this toroid (15) is identical with the radius-of-curvature of Large Aperture Lenses (2) lower surface (22); The lateral surface of described upper flange (12) is reference field (122), and this reference field (122) is coaxial with described toroid (15), for the optical axis alignment of described Large Aperture Lenses (2); This reference field (122) is the reference field of radial location when picture frame (1) and other anatomical connectivity;
Described upper locating surface (121) and lower locating surface (131) are all perpendicular to the axis of described reference field (122); The axial locating surface that described upper locating surface (121) is connected with other adjacent devices for described picture frame (1) with lower locating surface (131);
The cylinder body (11) of described picture frame (1) offers multiple evenly spaced groove (18), and this groove (18) is made up of perpendicular to first groove face (181) of bottom supporting face (183) and the second groove face (182) first face of cylinder (14) coaxial with described reference field (122), bottom supporting face (183), two, left and right; The cylinder body (11) of each groove (18) is provided with the first threaded hole (16), this first threaded hole (16) is positioned on first groove face (181) of described groove (18) and the plane of symmetry of the second groove face (182), and the central axis of this first threaded hole (16) is in first face of cylinder (14); Adjustment screw (7) screw in described in the first threaded hole (16) in and the bulb (71) of this adjustment screw (7) contact with the lateral surface (31) of described adjustment block (3), radially move to promote described adjustment block (3), thus drive Large Aperture Lenses (2) radially to move;
The bottom supporting face (183) of described groove (18) is provided with plural second threaded hole (17), for fixing described adjustment block (3);
It is the ring block (19) with described cylinder body (11) one between described often adjacent two grooves (18), the inner ring surface of described ring block (19) is second face of cylinder (191), coaxial with described first face of cylinder (14), the internal diameter of second face of cylinder (191) is greater than the external diameter of the external cylindrical surface (23) of described Large Aperture Lenses (2);
The upper surface of described ring block (19) is the second plane (192), be parallel to the bottom supporting face (183) of described groove (18), second plane (192) has the 3rd threaded hole (110), for fixing described elasticity trim ring (4); Described adjustment block (3) medial surface is that arc locating surface (34) coordinates with the external cylindrical surface (23) of Large Aperture Lenses (2), for the radial location of Large Aperture Lenses (2), the radius-of-curvature of this arc locating surface (34) is identical with the radius of the external cylindrical surface (23) of described Large Aperture Lenses (2);
Described adjustment block (3) is placed in described groove (18), and adjustment block (3) is fixed in described picture frame (1) by described the second gib screw (6); The bottom surface (35) of adjustment block (3) contacts with the bottom supporting face (183) of groove (18), the lateral surface (31) of described adjustment block (3) is adjacent with first face of cylinder (14) and leave adjusting play therebetween, the end face (32) of described adjustment block (3) is parallel with described the second plane (192), or lower than the second plane (192).
2. the regulation fixing apparatus of Large Aperture Lenses according to claim 1, it is characterized in that described adjustment block (3) has the first slit (33), the end face (32) of described the first slit (33) through adjustment block (3) and bottom surface (35), for reduce vibration and temperature variation on the impact of Large Aperture Lenses (2).
3. the regulation fixing apparatus of Large Aperture Lenses according to claim 1, is characterized in that thermal expansivity and described Large Aperture Lenses (2) similar thermal expansion coefficient of described adjustment block (3).
4. the regulation fixing apparatus of Large Aperture Lenses according to claim 1, is characterized in that described elasticity trim ring (4) is made up of the elastic ring body (41) of inner ring and ring flange (42) one of outer ring, described elastic ring body (41) has many along the circumferential direction uniform elastic grooves (412), the external diameter of described elastic ring body (41) is less than the external diameter of Large Aperture Lenses (2), the boss (411) that described elastic ring body (41) has more than three contacts with described Large Aperture Lenses (2), described ring flange (42) have the third through-hole corresponding with the 3rd threaded hole (110) of described picture frame (1), described elasticity trim ring (4) is fixed on the 3rd threaded hole (110) of described picture frame (1) by the 3rd threaded hole (110) of the picture frame (1) described in described the first gib screw (5) screws in through this third through-hole, Large Aperture Lenses (2) is axially fixed in described picture frame (1).
5. the regulation fixing apparatus of the Large Aperture Lenses according to any one of Claims 1-4, it is characterized in that upper flange (12) and the lower flange (13) of described picture frame (1) have identical external diameter, and the position one_to_one corresponding of the second through hole of the first through hole of described upper flange (12) and lower flange (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310530362.7A CN103676065B (en) | 2013-10-31 | 2013-10-31 | The regulation fixing apparatus of Large Aperture Lenses |
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| CN201310530362.7A CN103676065B (en) | 2013-10-31 | 2013-10-31 | The regulation fixing apparatus of Large Aperture Lenses |
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| CN103676065B true CN103676065B (en) | 2016-01-06 |
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| CN104062736B (en) * | 2014-06-05 | 2016-06-08 | 中国科学院西安光学精密机械研究所 | Clamping tool and clamping method for large-caliber square spherical optical element |
| CN107526148B (en) * | 2017-09-29 | 2020-05-12 | 中国科学院长春光学精密机械与物理研究所 | Lens group device |
| CN108089277B (en) * | 2017-12-14 | 2019-10-15 | 中国科学院长春光学精密机械与物理研究所 | Optical lens support construction |
| CN108205183B (en) * | 2017-12-28 | 2019-09-20 | 中国科学院西安光学精密机械研究所 | Transmission type large-aperture infrared lens, machining tool and machining method |
| CN108693616B (en) * | 2018-04-09 | 2020-12-04 | 中国科学院国家天文台南京天文光学技术研究所 | Installation adjusting device and installation adjusting method for columnar beam expander |
| CN108646373A (en) * | 2018-04-17 | 2018-10-12 | 苏州艾力光电科技有限公司 | A kind of quick-replaceable eyeglass mechanism |
| CN109239881B (en) * | 2018-09-28 | 2020-05-19 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting device for supporting large-caliber lens and large-caliber lens assembly |
| CN109254378A (en) * | 2018-11-19 | 2019-01-22 | 长春长光智欧科技有限公司 | A kind of high-precision lens orientation device |
| CN109884765A (en) * | 2019-03-25 | 2019-06-14 | 中国科学院长春光学精密机械与物理研究所 | A kind of integrated form superhigh precision optical module and preparation method thereof |
| CN109828366B (en) * | 2019-04-08 | 2024-04-16 | 平湖莱顿光学仪器制造有限公司 | Objective turret and microscope |
| CN110275271B (en) * | 2019-07-15 | 2021-09-14 | 北京遥感设备研究所 | Connecting structure of reflector and rotating shaft |
| CN112558265B (en) * | 2019-09-26 | 2022-04-19 | 张家港梓阳电子科技有限公司 | Locking device for lens of gas excimer laser |
| CN111352206A (en) * | 2020-03-31 | 2020-06-30 | 北京卓立汉光仪器有限公司 | Lens group, lens group bracket and device |
| CN114280751B (en) * | 2021-11-18 | 2023-06-30 | 中航洛阳光电技术有限公司 | Spline type centering device and adjusting method adopting same |
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Effective date of registration: 20190927 Address after: Room 601-10, 6th floor, No. 2, Jingyuan Beijie, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100176 Patentee after: Beijing Guowang Optical Technology Co., Ltd. Address before: 800-211 201800 post office box, Shanghai, Jiading District Patentee before: Shanghai Optical Precision Machinery Inst., Chinese Academy of Sciences |