CN115097407A - Angle adjustment and distance measurement mechanism for corner reflector - Google Patents
Angle adjustment and distance measurement mechanism for corner reflector Download PDFInfo
- Publication number
- CN115097407A CN115097407A CN202211012851.9A CN202211012851A CN115097407A CN 115097407 A CN115097407 A CN 115097407A CN 202211012851 A CN202211012851 A CN 202211012851A CN 115097407 A CN115097407 A CN 115097407A
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- China
- Prior art keywords
- sliding
- corner reflector
- base plate
- fixed
- support
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
The invention discloses an angle adjusting and ranging mechanism of a corner reflector, which comprises a sliding rail module, a sliding table and a rotating platform, wherein the sliding table slides on the sliding rail module; the sliding rail module comprises a first support, a sliding rail and a first screw rod, the sliding rail is fixed on the first support, and the first screw rod is inserted in the first support to rotate; the sliding table comprises a second support and a first sliding block, and the first sliding block is fixed at the bottom of the second support; the rotary platform comprises a first base plate, a second sliding block, a second lead screw and a supporting bar, wherein the second base plate is connected with the first base plate in a rotating mode, the second lead screw is inserted on the first base plate in a penetrating mode and rotates, the second sliding block is connected with the second lead screw in a threaded mode, one end of the supporting bar is connected with the second base plate in a rotating mode, and the other end of the supporting bar is connected with the second sliding block in a rotating mode.
Description
Technical Field
The invention relates to the technical field of corner reflectors, in particular to a corner reflector angle adjusting and distance measuring mechanism.
Background
The corner reflector serving as a standard reference point target of the SAR image is widely applied to radar ground calibration and quality evaluation experiments, the pitching angle is often adjusted to enable the RCS of the radar to be maximum in the direction adjustment process of the corner reflector, but the number of the corner reflectors is large during an external field test, and the workload of pitch direction adjustment is large; in addition, in a severe outdoor environment, the pointing adjustment precision is not high, the calibration precision and the calibration effect are influenced, the workload of the experiment is increased, and the application requirement of a large number of ground tests is difficult to adapt.
In the detection and calibration process of the millimeter wave or sub-millimeter wave radar, whether the micro-deformation of the target measured by the radar is accurate or not needs to be verified, and the accuracy of radar ranging is calibrated.
The common corner reflector mounting bracket is a fixed structure and cannot be adjusted randomly; and the detection plate needs to be moved manually, so that the measurement precision of the moving distance is not high.
Disclosure of Invention
The present invention is directed to solve the above problems of the prior art, and provides an angle adjustment and distance measurement mechanism for corner reflector.
The purpose of the invention can be realized by the following technical scheme:
a corner reflector angle adjusting and ranging mechanism comprises a slide rail module, a sliding table and a rotating platform, wherein the sliding table slides on the slide rail module;
the sliding rail module comprises a first support, a sliding rail and a first screw rod, the sliding rail is fixed on the first support, the first screw rod is inserted into the first support to rotate, and the first sliding block is arranged on the sliding rail in a sliding mode;
the sliding table comprises a second support and a first sliding block, and the first sliding block is fixed at the bottom of the second support;
the rotary platform comprises a first base plate, a second sliding block, a second lead screw and a supporting strip, wherein the second base plate is connected with the first base plate in a rotating mode, the second lead screw is inserted into the first base plate to rotate, the second sliding block is connected with the second lead screw in a threaded mode, one end of the supporting strip is connected with the second base plate in a rotating mode, and the other end of the supporting strip is connected with the second sliding block in a rotating mode.
As a further scheme of the invention: a first hand wheel is fixed at one end of the first screw rod, and a pointer is installed on the first support.
As a further scheme of the invention: the first support is provided with a dial indicator, the second support is fixed with a reference rod, and the second support and the dial indicator are on the same axis.
As a further scheme of the invention: and a second hand wheel is fixed at one end of the second screw rod.
As a further scheme of the invention: the sliding rail module is characterized in that a rotating table is arranged below the sliding rail module, a groove is formed in the rotating table, a fixing block is clamped in the groove, and the fixing block is fixedly installed at the bottom of the first support.
As a further scheme of the invention: the base is arranged below the rotating platform, and the rotating platform rotates on the base.
As a further scheme of the invention: the rotary table is further provided with a fastener, the fastener comprises a rotary table and a limiting part, the rotary table is fixedly connected with the limiting part through a bolt, and the bolt threads are inserted on the rotary table.
As a further scheme of the invention: the rotary table is characterized in that a locking part is arranged beside the groove and comprises an inserting rod and an inserting plate, the inserting rod is fixed with the inserting plate, the rotary table is internally provided with the groove and provided with a first hole, and the fixing block is also provided with a second hole.
The invention has the beneficial effects that:
through the design have slide rail module, slip table, rotary platform to can also rotate when can adjust the angle of pitch of corner reflector wantonly, the accuracy that radar rangefinder can be confirmed to 0.01mm to the corner reflector removal range finding accuracy.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment and a second embodiment of the present invention;
FIG. 3 is a schematic structural view of a slide rail module according to the present invention;
FIG. 4 is a schematic view of the structure of the rotary platform of the present invention;
FIG. 5 is a schematic view showing the construction of the rotary table, the locking part and the fastening member according to the present invention;
fig. 6 is a schematic structural view of the rotary table, the locking portion and the fastener of the present invention, which are disassembled.
In the figure: 1. a slide rail module; 11. a first bracket; 12. a slide rail; 13. a first lead screw; 14. a first hand wheel; 15. a pointer; 16. a dial indicator; 2. a sliding table; 21. a second bracket; 22. a first slider; 23. a reference bar; 3. rotating the platform; 31. a first substrate; 32. a second substrate; 33. a second slider; 34. a second lead screw; 35. a supporting strip; 36. a second hand wheel; 4. a corner reflector; 5. a rotating table; 51. a groove; 6. a base; 7. a fastener; 71. a turntable; 72. a limiting member; 8. a locking portion; 9. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
In a first embodiment, please refer to fig. 2-4, the present invention is a mechanism for angle adjustment and distance measurement of a corner reflector, including a sliding rail module 1, a sliding table 2 and a rotating platform 3, wherein the sliding table 2 slides on the sliding rail module 1, and the rotating platform 3 is installed on the sliding table 2;
the sliding table 2 slides on the sliding rail module 1 in a transverse direction;
wherein, the rotary platform 3 is fixed on the sliding platform 2 through bolts or screws.
The corner reflector 4 is fixed on the angle-adjustable rotating platform 3, the rotating platform 3 is fixed on the first sliding block 22 of the sliding rail module 1, the first hand wheel 14 is rotated, the corner reflector 4 can move back and forth on the sliding rail 12, and the small moving distance can be read out through the digital display dial indicator 16.
The slide rail module 1 comprises a first bracket 11, a slide rail 12 and a first screw rod 13, wherein the slide rail 12 is fixed on the first bracket 11, and the first screw rod 13 is inserted in the first bracket 11 to rotate;
a first hand wheel 14 is fixed at one end of the first screw rod 13, and a pointer 15 is installed on the first support 11;
scales are formed on the first hand wheel 14, and the pointer 15 can be matched with the scales on the first hand wheel 14 to facilitate reading by an operator;
the sliding table 2 comprises a second bracket 21 and a first sliding block 22, and the first sliding block 22 is fixed at the bottom of the second bracket 21;
wherein, the first sliding block 22 slides on the sliding rail 12 in a limited way.
Wherein, a second wheel 36 is fixed at one end of the second screw rod 34.
The second hand wheel 36 is rotated, the second lead screw 34 rotates along with the second hand wheel, and the second sliding block 33 moves along the horizontal direction to drive the supporting bar 35, the corner reflector 4 and the second substrate 32 to rotate; when the angle is adjusted to the maximum RCS of the radar, the arrangement of the corner reflector 4 reflector is completed; the structure can adjust the pitch angle of the 4-reflector of the corner reflector within a micro range; (one rotation of the second hand wheel 36 corresponds to 1 rotation of the second base plate 32) °
In the second embodiment, in addition to the first embodiment, a dial indicator 16 is provided on the first bracket 11, a reference rod 23 is fixed on the second bracket 21, and the second bracket 21 and the dial indicator 16 are on the same axis;
wherein, rotate first hand wheel 14, first lead screw 13 is followed rotatory, and linear motion is done along slide rail 12 to slip table 2, when benchmark pole 23 with connect the pointer of amesdial 16 just to contact, return to zero the amesdial 16 reading, continue to rotate first hand wheel 14, amesdial 16 can show the small distance of fixing the corner reflector 4 removal on slip table 2, this value is compared with the corner reflector 4 displacement that the radar was measured, can judge the accuracy that the radar was surveyed.
In a third embodiment, please refer to fig. 1-6, an angle adjustment and distance measurement mechanism for a corner reflector includes a sliding rail module 1, a sliding table 2 and a rotating platform 3, wherein the sliding table 2 slides on the sliding rail module 1, and the rotating platform 3 is installed on the sliding table 2;
the sliding table 2 slides on the sliding rail module 1 in a transverse direction;
wherein, the rotary platform 3 is fixed on the sliding platform 2 through bolts or screws.
The corner reflector 4 is fixed on the angle-adjustable rotary platform 3, the rotary platform 3 is fixed on the first sliding block 22 of the sliding rail module 1, the first hand wheel 14 is rotated, the corner reflector 4 can move back and forth on the sliding rail 12, and the small moving distance can be read out through the digital display dial indicator 16.
The slide rail module 1 comprises a first bracket 11, a slide rail 12 and a first screw rod 13, wherein the slide rail 12 is fixed on the first bracket 11, and the first screw rod 13 is inserted in the first bracket 11 to rotate;
a first hand wheel 14 is fixed at one end of the first screw rod 13, and a pointer 15 is installed on the first support 11;
scales are formed on the first hand wheel 14, and the pointer 15 can be matched with the scales on the first hand wheel 14 to facilitate reading by an operator;
the sliding table 2 comprises a second bracket 21 and a first sliding block 22, and the first sliding block 22 is fixed at the bottom of the second bracket 21;
wherein, the first sliding block 22 slides on the sliding rail 12 in a limited manner.
Wherein, a second wheel 36 is fixed at one end of the second screw rod 34.
The second hand wheel 36 is rotated, the second lead screw 34 rotates along with the second hand wheel, and the second sliding block 33 moves along the horizontal direction to drive the supporting bar 35, the corner reflector 4 and the second substrate 32 to rotate; when the angle is adjusted to the maximum RCS, the arrangement of the corner reflector 4 is finished; the structure can adjust the pitch angle of the 4-reflector of the corner reflector within a micro range; (one rotation of the second wheel 36 corresponds to 1 rotation of the second base plate 32)
In another embodiment, a dial indicator 16 is arranged on the first bracket 11, a reference rod 23 is fixed on the second bracket 21, and the second bracket 21 and the dial indicator 16 are on the same axis;
wherein, rotate first hand wheel 14, first lead screw 13 is followed rotatory, and linear motion is done along slide rail 12 to slip table 2, when benchmark pole 23 with connect the pointer of amesdial 16 just to contact, return to zero the amesdial 16 reading, continue to rotate first hand wheel 14, amesdial 16 can show the small distance of fixing the corner reflector 4 removal on slip table 2, this value is compared with the corner reflector 4 displacement that the radar was measured, can judge the accuracy that the radar was surveyed.
A rotating platform 5 is arranged below the slide rail module 1;
wherein, a base 6 is arranged below the rotating platform 5, and the rotating platform 5 rotates on the base 6;
a groove 51 is formed in the rotating platform 5, a fixing block 9 is clamped in the groove 51, and the fixing block 9 is fixedly installed at the bottom of the first support 11;
the fixed block 9 plays a role in supporting and fixing the slide rail module 1;
the rotating platform 5 is further provided with a fastener 7, the fastener 7 comprises a rotating disk 71 and a limiting part 72, the rotating disk 71 is fixedly connected with the limiting part 72 through a bolt, and the bolt threads are inserted on the rotating platform 5.
An operator can rotate the turntable 71 to drive the bolt to rotate on the turntable 5 in a threaded manner, so that the limiting piece 72 abuts against and touches the base 6, and the limiting and fixing of the turntable 5 are completed;
located recess 51 on one side on revolving stage 5 and being provided with sticking department 8, sticking department 8 is including inserted bar and picture peg, the inserted bar with the picture peg reciprocal anchorage, be located in revolving stage 5 first hole has been seted up to recess 51 department, the second hole has also been seted up on fixed block 9.
The locking part 8 is used for fixing the fixing block 9 on the rotating platform 5.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention; all equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The angle adjustment and ranging mechanism for the corner reflector is characterized by comprising a sliding rail module (1), a sliding table (2) and a rotating platform (3), wherein the sliding table (2) slides on the sliding rail module (1), the rotating platform (3) is installed on the sliding table (2), and the corner reflector (4) is fixed on the rotating platform (3) with the adjustable angle;
the sliding rail module (1) comprises a first support (11), a sliding rail (12) and a first screw rod (13), the sliding rail (12) is fixed on the first support (11), and the first screw rod (13) is inserted into the first support (11) to rotate;
the sliding table (2) comprises a second support (21) and a first sliding block (22), the first sliding block (22) is fixed at the bottom of the second support (21), and the first sliding block (22) is arranged on the sliding rail (12) in a sliding mode;
rotary platform (3) is including first base plate (31), second base plate (32), second slider (33), second lead screw (34), support bar (35), second base plate (32) with first base plate (31) rotate and are connected, second lead screw (34) alternate rotate on first base plate (31), second slider (33) with second lead screw (34) threaded connection, support bar (35) one end with second base plate (32) rotate and are connected, the other end with second slider (33) rotate and are connected.
2. The corner reflector angle adjusting and ranging mechanism according to claim 1, characterized in that a first hand wheel (14) is fixed at one end of the first screw rod (13), and a pointer (15) is installed on the first bracket (11).
3. The corner reflector angle adjusting and ranging mechanism according to claim 1, characterized in that a dial indicator (16) is arranged on the first bracket (11), a reference rod (23) is fixed on the second bracket (21), and the second bracket (21) and the dial indicator (16) are on the same axis.
4. A corner reflector angle adjustment and ranging mechanism as claimed in claim 1, characterized in that a second hand wheel (36) is fixed to one end of the second lead screw (34).
5. The corner reflector angle adjusting and ranging mechanism according to any one of claims 1-4, characterized in that a rotating platform (5) is arranged below the sliding rail module (1), a groove (51) is formed in the rotating platform (5), a fixing block (9) is clamped in the groove (51), and the fixing block (9) is fixedly installed at the bottom of the first bracket (11).
6. A corner reflector angle adjustment and ranging mechanism as claimed in claim 5, characterized in that a base (6) is arranged below the rotating table (5), the rotating table (5) being rotatable on the base (6).
7. The mechanism for angle adjustment and distance measurement of a corner reflector according to claim 6, wherein a fastening member (7) is further installed on the rotating platform (5), the fastening member (7) comprises a rotating disk (71) and a limiting member (72), the rotating disk (71) is fixedly connected with the limiting member (72) through a bolt, and the bolt is inserted on the rotating platform (5).
8. The corner reflector angle adjusting and ranging mechanism according to claim 5, wherein a locking portion (8) is arranged beside a groove (51) on the rotating platform (5), the locking portion (8) comprises an inserting rod and an inserting plate, the inserting rod and the inserting plate are fixed to each other, a first hole is formed in the position, located in the groove (51), of the rotating platform (5), and a second hole is formed in the fixing block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211012851.9A CN115097407A (en) | 2022-08-23 | 2022-08-23 | Angle adjustment and distance measurement mechanism for corner reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211012851.9A CN115097407A (en) | 2022-08-23 | 2022-08-23 | Angle adjustment and distance measurement mechanism for corner reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115097407A true CN115097407A (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211012851.9A Pending CN115097407A (en) | 2022-08-23 | 2022-08-23 | Angle adjustment and distance measurement mechanism for corner reflector |
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| Country | Link |
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| CN (1) | CN115097407A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203178484U (en) * | 2013-04-11 | 2013-09-04 | 河海大学 | Ground micro-deformation monitoring radar corner reflector |
| CN203908542U (en) * | 2014-04-30 | 2014-10-29 | 北京市水文地质工程地质大队 | Integrated monitoring and verifying device for earth surface deformation open space |
| CN108548839A (en) * | 2018-03-29 | 2018-09-18 | 西安空间无线电技术研究所 | A kind of high-precision parts thermal-deformation detection apparatus and test method |
| CN109975777A (en) * | 2019-04-25 | 2019-07-05 | 上海为彪汽配制造有限公司 | The adjusting bracket of radar |
| CN210835229U (en) * | 2019-09-02 | 2020-06-23 | 湖南工程职业技术学院 | A examine school device for ground InSAR |
| CN111906588A (en) * | 2020-08-01 | 2020-11-10 | 韩邦龙 | Auxiliary tool setting device for machining and production of numerical control machine tool |
| CN114706072A (en) * | 2022-06-06 | 2022-07-05 | 中大检测(湖南)股份有限公司 | High-precision side slope monitoring radar double-shaft testing system and method |
-
2022
- 2022-08-23 CN CN202211012851.9A patent/CN115097407A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203178484U (en) * | 2013-04-11 | 2013-09-04 | 河海大学 | Ground micro-deformation monitoring radar corner reflector |
| CN203908542U (en) * | 2014-04-30 | 2014-10-29 | 北京市水文地质工程地质大队 | Integrated monitoring and verifying device for earth surface deformation open space |
| CN108548839A (en) * | 2018-03-29 | 2018-09-18 | 西安空间无线电技术研究所 | A kind of high-precision parts thermal-deformation detection apparatus and test method |
| CN109975777A (en) * | 2019-04-25 | 2019-07-05 | 上海为彪汽配制造有限公司 | The adjusting bracket of radar |
| CN210835229U (en) * | 2019-09-02 | 2020-06-23 | 湖南工程职业技术学院 | A examine school device for ground InSAR |
| CN111906588A (en) * | 2020-08-01 | 2020-11-10 | 韩邦龙 | Auxiliary tool setting device for machining and production of numerical control machine tool |
| CN114706072A (en) * | 2022-06-06 | 2022-07-05 | 中大检测(湖南)股份有限公司 | High-precision side slope monitoring radar double-shaft testing system and method |
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