CN110927919B - Position adjusting mechanism for quasi-optical feed network device - Google Patents
Position adjusting mechanism for quasi-optical feed network device Download PDFInfo
- Publication number
- CN110927919B CN110927919B CN201911270281.1A CN201911270281A CN110927919B CN 110927919 B CN110927919 B CN 110927919B CN 201911270281 A CN201911270281 A CN 201911270281A CN 110927919 B CN110927919 B CN 110927919B
- Authority
- CN
- China
- Prior art keywords
- quasi
- bottom plate
- screw
- holes
- mirror
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
A quasi-optical feed network device position adjusting mechanism comprises an ellipsoidal mirror, a quasi-optical bottom plate and an adjusting unit, wherein the quasi-optical bottom plate is positioned under the ellipsoidal mirror, the ellipsoidal mirror comprises an ellipsoidal mirror surface and a mirror frame, the ellipsoidal mirror surface is positioned on the mirror frame surface, the bottom of the mirror frame is provided with four countersunk through holes, four threaded holes and two rectangular holes, the quasi-optical bottom plate comprises a mounting surface and a bottom plate, the mounting surface is arranged between the bottom plate and the ellipsoidal mirror and fixedly connected with the bottom plate, the mounting surface is provided with 4 threaded mounting holes, the threaded mounting holes extend into the bottom plate, the bottom plate is provided with two cylindrical bosses, the cylindrical bosses penetrate through the mounting surface and are inserted into the rectangular holes at the bottom of the mirror frame, the adjusting unit comprises a screw, an adjusting screw and an eccentric cam, the screw passes through holes to be mounted in the threaded mounting holes on the mounting surface, the adjusting screw is mounted in the threaded holes on the mirror frame, the eccentric cam is arranged on the cylindrical boss.
Description
Technical Field
The invention particularly relates to a position adjusting mechanism, and particularly relates to a position adjusting mechanism of a quasi-optical feed network device.
Background
Because the working frequency band of the quasi-optical feed network is higher, generally millimeter wave and sub-millimeter wave bands, the accuracy of signal transmission in the link and the sensitivity of passive microwave receiving are high, on one hand, a high requirement is provided for the processing precision of the quasi-optical component per se, and simultaneously, a high requirement is provided for the integrated assembly precision and the accumulated assembly error of the quasi-optical component in each frequency band link.
The passive load developed in China at present is continuously improved along with the microwave frequency band, and the installation precision of the corresponding quasi-optical feed network device is also improved from millimeter level to dozens of microwave levels. However, the current adjusting mode of the quasi-optical feed network device still moves and rotates the quasi-optical device by hand, which not only has low efficiency but also has limited adjusting precision.
Therefore, based on the continuously improved installation and adjustment precision requirement, it is necessary to design a position adjusting mechanism of the quasi-optical feed network device to meet the installation and adjustment requirement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a position adjusting mechanism of a quasi-optical feed network device, which can overcome manual position adjusting errors.
In order to achieve the above purpose, the invention provides the following technical scheme:
a quasi-optical feed network device position adjusting mechanism comprises an ellipsoidal mirror, a quasi-optical bottom plate and an adjusting unit, wherein the quasi-optical bottom plate is positioned under the ellipsoidal mirror, the ellipsoidal mirror comprises an ellipsoidal mirror surface and a mirror frame, the ellipsoidal mirror surface is positioned on the mirror frame surface, the bottom of the mirror frame is provided with four countersunk head through holes, four threaded holes and two rectangular holes, the quasi-optical bottom plate comprises a mounting surface and a bottom plate, the mounting surface is arranged between the bottom plate and the ellipsoidal mirror and fixedly connected with the bottom plate, the mounting surface is provided with 4 threaded mounting holes, the threaded mounting holes extend into the bottom plate, the bottom plate is provided with two cylindrical bosses, the cylindrical bosses penetrate through the mounting surface and are inserted into the rectangular holes at the bottom of the mirror frame, the adjusting unit comprises a screw, a first gasket, a second gasket, an adjusting screw and an eccentric cam, the screw penetrates through the countersunk head through holes to be mounted in the threaded mounting holes on the mounting surface, adjusting screw installs in the screw hole on the picture frame, first gasket is located between ellipsoid mirror and the installation face, and the cover is established on adjusting screw and screw, eccentric cam sets up on the cylinder boss, the second gasket is located between rectangular hole and the eccentric cam.
Preferably, the four countersunk through holes and the four threaded holes are respectively located at four corners of the bottom of the mirror frame, and the two rectangular holes are respectively located on two sides of the bottom of the mirror frame.
Preferably, the upper part of the eccentric cam is in the form of a hexagon socket, and the middle part of the eccentric cam is an inner eccentric hole which is eccentric relative to the outer contour cylindrical surface of the eccentric cam.
Preferably, the eccentric cam is mounted on a cylindrical boss on the quasi-optical bottom plate through an internal eccentric hole in the eccentric cam, and the cylindrical boss is arranged at the center of the rectangular hole on the lens frame.
Preferably, the screw is further sleeved with a spring, and the spring is located between the screw and the mirror frame.
Preferably, the head of the adjusting screw is in the form of a half-ball, and the external thread is a fine thread.
Compared with the prior art, the invention has the beneficial effects that: on one hand, the error of manual position adjustment is overcome, the position adjustment of devices in the quasi-optical feed network is more precise, on the other hand, the position adjustment mechanism comprises parts as few as possible, meanwhile, the structure is simple, and the adjustment part is detachable after the adjustment is completed.
Drawings
FIG. 1 is a schematic front structure diagram of a quasi-optical feed network device position adjusting mechanism;
FIG. 2 is a schematic diagram of a reverse structure of a quasi-optical feed network device position adjustment mechanism;
FIG. 3 is an exploded view of a quasi-optical backplane and quasi-optical device;
FIG. 4 is a partial cross-sectional view of a quasi-optical feed network device position adjustment mechanism;
FIG. 5 is a top view of the eccentric cam;
FIG. 6 is a top view of a quasi-optical feed network device position adjustment mechanism;
fig. 7 is a schematic diagram of each component of the quasi-optical feed network device position adjusting mechanism.
1. An ellipsoidal mirror; 2 a quasi-optical backplane; 3. an adjusting screw; 4. a screw; 5. an eccentric cam; 6. a spring; 7. a first gasket; 8. a second gasket; 11. countersunk through holes; 12. a threaded hole; 13. a rectangular hole; 21. a cylindrical boss; 22. a threaded mounting hole; 23. a mounting surface; 24. a base plate; 31. a semi-sphere; 32. an external thread; 41. an ellipsoidal mirror surface; 42. a mirror frame; 51. an inner eccentric bore.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, which are a front structure schematic diagram and a back structure schematic diagram of a quasi-optical feed network device position adjusting mechanism respectively, a quasi-optical feed network device position adjusting mechanism of this embodiment includes an ellipsoidal mirror 1, a quasi-optical base plate 2, and an adjusting unit, the quasi-optical base plate 2 is located below the ellipsoidal mirror 1, the ellipsoidal mirror 1 includes an ellipsoidal mirror surface 41 and a mirror frame 42, the ellipsoidal mirror surface 41 is located on one side of the mirror frame 42, the bottom of the mirror frame 42 is provided with four countersunk through holes 11, four threaded holes 12, and two rectangular holes 13, referring to fig. 5, the four countersunk through holes 11 and the four threaded holes 12 are located at four corners of the bottom of the mirror frame 42 respectively, and the threaded mounting holes 12 extend into the base plate 24, so that the position adjustment is more stable, the quasi-optical base plate 2 includes a mounting surface 23 and the base plate 24, the mounting surface 23 is disposed between the base plate 24 and the mirror frame 42, the mounting surface 23 is fixedly connected with the bottom plate 24, 4 threaded mounting holes 22 are formed in the mounting surface 23, two cylindrical bosses 21 are arranged on the bottom plate 24, and the cylindrical bosses 21 penetrate through the mounting surface 23 and are inserted into the rectangular holes 13 of the mirror frame 42; referring to fig. 3, the adjusting unit comprises a screw 4, an adjusting screw 3 and an eccentric cam 5, wherein the screw 4 is installed in a threaded installation hole 22 on an installation surface 23 through a countersunk through hole 11, the screw 4 can fixedly connect a mirror frame 42 to the collimating baseboard 2, the adjusting screw 3 is installed in a threaded hole 12 on the mirror frame 42, and the height of the ellipsoidal mirror 1 at the point can be adjusted by rotating the adjusting screw 3.
Referring to fig. 6, the cylindrical boss 21 is disposed at the center of the rectangular hole 13 of the lens frame 42, the eccentric cam 5 is disposed on the cylindrical boss 21, the upper portion of the eccentric cam 5 is in the form of a hexagon socket, the middle portion of the eccentric cam 5 is an inner eccentric hole 51, the inner eccentric hole 51 is eccentric with respect to the outer contour cylindrical surface of the eccentric cam 5, the eccentric cam 5 is mounted on the cylindrical boss 21 of the collimating base plate 2 through the inner eccentric hole 51, and the eccentricity is related to the adjustment amount. Still the cover is equipped with spring 6 on the screw 4, spring 6 is located between screw 4 and picture frame 42, and spring 6 leaves partial elasticity surplus, and its one end supports on screw 4, and the other end supports on picture frame 42, can apply a power down with the ellipsoid mirror, lets the ellipsoid mirror fixed, forms certain downward extrusion force to position adjustment mechanism, can play stable effect when using.
Referring to fig. 3, the head of the adjusting screw 3 is in the shape of a semi-sphere 31, and the external thread 32 is a fine thread having a small pitch, so that the fine thread can perform a fine adjustment function and is convenient for adjusting the screw 3 up and down. Referring to fig. 4 and 6, the adjusting mechanism further comprises a first gasket 7, the first gasket 7 is located between the adjusting mechanism 1 and the mounting surface 23, is sleeved on the adjusting screw 3 and the screw 4, and can select the gasket 7 with the corresponding thickness to be plugged into the gap according to the gap left after position adjustment, the adjusting mechanism further comprises a second gasket 8, the second gasket 8 is located between the rectangular hole 13 and the eccentric cam 5, the second gasket 8 with the corresponding thickness is plugged into the gap in the required adjusting direction, and the second gasket 8 can slightly move in the direction by rotating the eccentric cam to press the second gasket 8.
According to the specific embodiment, firstly, the ellipsoidal mirror is installed on the mirror frame 42, then the position adjusting mechanism is aligned to the installation surface 23 as shown in fig. 1, the spring 6 is sleeved on the screw 4, then the screw 4 is installed in the threaded installation hole 22 on the collimating baseboard 2 through the countersunk through hole, the spring 6 is located between the screw 4 and the ellipsoidal mirror 1, the screw 4 is screwed to fix the mirror frame 42, a part of elastic allowance is reserved on the spring 6, the adjusting screw 3 is screwed into the threaded hole 12 on the ellipsoidal mirror 1, the head of the adjusting screw 3 is pressed on the installation surface 23, the height of the point of the ellipsoidal mirror 1 can be adjusted by rotating the adjusting screw 3, the first gasket 7 is placed in the gap left after adjustment, and the gasket 7 with the corresponding thickness size can be selected to be plugged into the gap left after position adjustment. The eccentric cam 5 is sleeved on the cylindrical boss 21 on the collimating bottom plate 2 through the inner eccentric hole 51 in the eccentric cam 5, and the cylindrical boss 17 is arranged at the center of the four rectangular holes 13 on the ellipsoidal mirror, because the upper part of the eccentric cam 5 adopts the form of the inner hexagonal groove, the inner eccentric hole 15 is eccentric relative to the outer contour cylindrical surface 16 of the eccentric cam 5, the second gasket 8 with corresponding thickness can be placed in a gap in the direction needing to be adjusted, and the second gasket 8 can be slightly moved in the direction by rotating the eccentric cam to extrude the second gasket 8.
When the device is used, the ellipsoidal mirror is provided with a reference hole, a three-coordinate measuring instrument is used for measurement, an actual coordinate system of the ellipsoidal mirror is established by using the reference hole and relevant reference characteristics, and the actual coordinate system is compared with a theoretical coordinate system. Firstly, adjusting screws 4 and 3 align the z axis of the ellipsoidal mirror coordinate system. The clearance sizes at four corners of the bottom surface of the ellipsoidal mirror 1 are measured by using a clearance gauge, and the first gasket 7 with the corresponding thickness size is selected to be plugged into the clearance. And then the x axis and the y axis of the ellipsoidal mirror coordinate system are adjusted by using the eccentric cam 5 and the second gasket 8, and after the adjustment is finished, the screw 4 is screwed, so that the position adjustment can be finished.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.
Claims (6)
1. The position adjusting mechanism for the quasi-optical feed network device is characterized by comprising an ellipsoidal mirror (1), a quasi-optical bottom plate (2) and an adjusting unit, wherein the quasi-optical bottom plate (2) is positioned below the ellipsoidal mirror (1), the ellipsoidal mirror (1) comprises an ellipsoidal mirror surface (41) and a mirror frame (42), the ellipsoidal mirror surface (41) is positioned on one surface of the mirror frame (42), four countersunk through holes (11), four threaded holes (12) and two rectangular holes (13) are formed in the bottom of the mirror frame (42), the quasi-optical bottom plate (2) comprises a mounting surface (23) and a bottom plate (24), the mounting surface (23) is arranged between the bottom plate (24) and the ellipsoidal mirror (1) and fixedly connected with the bottom plate (24), 4 threaded mounting holes (22) are formed in the mounting surface (23), the threaded mounting holes (22) extend into the bottom plate (24), two cylindrical bosses (21) are arranged on the bottom plate (24), and cylinder boss (21) run through installation face (23), insert in rectangular hole (13) of picture frame (42) bottom, adjusting unit includes screw (4), first gasket (7), second gasket (8), adjusting screw (3) and eccentric cam (5), screw (4) pass countersunk head through-hole (11) and install in screw thread mounting hole (22) on installation face (23), adjusting screw (3) are installed in screw hole (12) on picture frame (42), first gasket (7) are located between ellipsoid mirror (1) and installation face (23), and the cover is established on adjusting screw (3) and screw (4), eccentric cam (5) set up on cylinder boss (21), second gasket (8) are located between rectangular hole (13) and eccentric cam (5).
2. The quasi-optical feed network device position adjusting mechanism according to claim 1, wherein the four countersunk through holes (11) and the four threaded holes (12) are respectively located at four corners of the bottom of the mirror frame (42), and the two rectangular holes (13) are respectively located at two sides of the bottom.
3. The quasi-optical feed network device position adjustment mechanism according to claim 1, characterized in that the upper part of the eccentric cam (5) is in the form of a hexagon socket, and the middle part is an inner eccentric hole (51), and the inner eccentric hole (51) is eccentric relative to the outer contour cylindrical surface of the eccentric cam (5).
4. The quasi-optical feed network device position adjusting mechanism according to claim 1, characterized in that the eccentric cam (5) is installed on a cylindrical boss (21) on the quasi-optical bottom plate (2) through an internal eccentric hole (51) inside the eccentric cam, and the cylindrical boss (21) is placed at the center of the rectangular hole (13) on the lens frame (42).
5. The quasi-optical feed network device position adjusting mechanism according to claim 1, wherein a spring (6) is further sleeved on the screw (4), and the spring (6) is located between the screw (4) and the mirror frame (42).
6. The quasi-optical feed network device position adjustment mechanism according to claim 1, characterized in that the adjusting screw (3) head is in the form of a half-sphere (31) and the external thread (32) is a fine thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911270281.1A CN110927919B (en) | 2019-12-05 | 2019-12-05 | Position adjusting mechanism for quasi-optical feed network device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911270281.1A CN110927919B (en) | 2019-12-05 | 2019-12-05 | Position adjusting mechanism for quasi-optical feed network device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110927919A CN110927919A (en) | 2020-03-27 |
| CN110927919B true CN110927919B (en) | 2022-07-05 |
Family
ID=69860150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911270281.1A Active CN110927919B (en) | 2019-12-05 | 2019-12-05 | Position adjusting mechanism for quasi-optical feed network device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110927919B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944783A (en) * | 1958-01-13 | 1960-07-12 | Kenneth G Macleish | Optical mounting device |
| CA989378A (en) * | 1971-11-15 | 1976-05-18 | Samuel Black | Adjustable mirror |
| US4120586A (en) * | 1977-01-28 | 1978-10-17 | Baxter Travenol Laboratories, Inc. | Method and means for aligning focusing mirrors in an optical spectrometer |
| CN203191617U (en) * | 2013-02-19 | 2013-09-11 | 鞍山煜宸科技有限公司 | Optical element angle fine adjustment apparatus |
| CN103465015B (en) * | 2013-09-16 | 2016-02-10 | 中国科学院上海光学精密机械研究所 | Degree-of-freedom adjusting mechanism |
-
2019
- 2019-12-05 CN CN201911270281.1A patent/CN110927919B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110927919A (en) | 2020-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113624463B (en) | Jig and method for testing optimal rotating track of folding screen | |
| CN110927919B (en) | Position adjusting mechanism for quasi-optical feed network device | |
| CN206488758U (en) | High accuracy positioning adjusting apparatus is used in a kind of hole location measurement | |
| CN105004888A (en) | Adjustable test tool for integrated circuit | |
| CN218207673U (en) | Cam intermittent divider structure | |
| CN109669118B (en) | Adjustable microwave circuit test fixture | |
| CN212749159U (en) | Chuck structure for clamping probe card | |
| CN204479089U (en) | Fine-tuning stationary installation and the fine-tuning stationary installation of laser instrument | |
| CN208269777U (en) | Test desk and its system is thinned | |
| CN213335846U (en) | High-precision measuring device for measuring runout of bolt thread pitch diameter to polished rod | |
| CN214585734U (en) | Testing device for radio frequency coaxial connector | |
| CN212806851U (en) | Outer spacing height measurement tool of mould | |
| CN210198249U (en) | Crankshaft taper length measuring device | |
| CN210375193U (en) | Multifunctional measuring device for transducer | |
| CN210670091U (en) | Test fixture of high-speed frequency source subassembly | |
| CN215338393U (en) | Optical head calibration adjustment mechanism | |
| CN209086532U (en) | A kind of mirror assembly | |
| CN110388865A (en) | A kind of crankshaft taper length-measuring appliance | |
| CN210835396U (en) | Optical precision fine-tuning spherical device | |
| CN110806222A (en) | Fine-adjustment mounting equipment for bipolar plate capacitive sensor | |
| CN203489895U (en) | Encoder | |
| CN215810778U (en) | Angle-adjustable contourgraph tool for brittle material | |
| CN215491614U (en) | Measurer and measuring device using same | |
| CN220708327U (en) | 3D profiler | |
| CN218522908U (en) | Five-dimensional adjusting device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |