CN108508412B - Placement tool and method for placing flat plate type target - Google Patents
Placement tool and method for placing flat plate type target Download PDFInfo
- Publication number
- CN108508412B CN108508412B CN201810255715.XA CN201810255715A CN108508412B CN 108508412 B CN108508412 B CN 108508412B CN 201810255715 A CN201810255715 A CN 201810255715A CN 108508412 B CN108508412 B CN 108508412B
- Authority
- CN
- China
- Prior art keywords
- prisms
- placing
- flat
- target
- square
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention relates to a placing tool and a method for placing a flat plate type target, comprising a bracket, a spring and a vacuum chuck; the stent, comprising: a square chassis, four side prisms and four upper prisms; the four side prisms are respectively fixed at four corners of the square chassis; every two side prisms are connected through one upper prism; one end of the spring is fixed on the square base plate, and the other end of the spring is connected with the vacuum chuck; the vacuum chuck is used for generating negative pressure, adsorbing the negative pressure on the flat target, and enabling the flat target to be tightly attached to the support under the action of the spring. The placing tool provided by the invention is high in stability.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a placing tool and a method for placing a flat plate type target.
Background
The radar cross section method is a commonly used method for measuring the reflectivity of a flat plate type target, and in the measuring process, electromagnetic waves need to be ensured to vertically irradiate the flat plate type target, so that the flat plate type target needs to be properly placed.
Currently, flat targets are typically placed by foam clamps.
However, the foam jig is liable to cause shaking and is inferior in stability.
Therefore, in view of the above disadvantages, it is desirable to provide a placement tool and a method for placing a plate-type target.
Disclosure of Invention
The invention aims to solve the technical problems that a foam clamp is easy to shake and poor in stability, and provides a placing tool and a method for placing a flat plate type target aiming at the defects in the prior art.
In order to solve the technical problem, the invention provides a placing tool, which comprises a bracket, a spring and a vacuum chuck;
the stent, comprising: a square chassis, four side prisms and four upper prisms;
the four side prisms are respectively fixed at four corners of the square chassis;
every two side prisms are connected through one upper prism;
one end of the spring is fixed on the square base plate, and the other end of the spring is connected with the vacuum chuck;
the vacuum chuck is used for generating negative pressure, adsorbing the negative pressure on the flat target, and enabling the flat target to be tightly attached to the support under the action of the spring.
Preferably, the first and second electrodes are formed of a metal,
the surface roughness of each of the side prisms is no greater than 6.4 um.
Preferably, the first and second electrodes are formed of a metal,
the surface roughness of each of the upper prisms is not greater than 6.4 um.
Preferably, the first and second electrodes are formed of a metal,
the length of each upper prism is 100mm, and the length of each side prism is 200 mm;
the perpendicularity between the axis of the side prism and the square chassis is not more than 0.2 mm.
Preferably, the first and second electrodes are formed of a metal,
the length of each upper prism is 100mm, and the length of each side prism is 200 mm;
the parallelism between the plane defined by the four upper prisms and the square chassis is less than 0.08 mm.
Preferably, the first and second electrodes are formed of a metal,
the stent satisfies the following formula:
and x is used for representing the parallelism of a plane surrounded by the four upper prisms and the square chassis, and y is used for representing the side length of the square chassis.
The invention also provides a method for placing a flat-plate-type target by using the placing tool in any embodiment, which comprises the following steps:
placing a flat plate type target on a support;
pressing a vacuum chuck on the flat-plate-type target to enable the vacuum chuck to be adsorbed on the flat-plate-type target;
placing a placing tool for placing the flat plate type target on a rotary platform;
a plane mirror is fixed on the outer side of the square chassis of the placing tool;
emitting a beam of laser subjected to horizontal calibration by using a laser emitter to irradiate the plane mirror, and adjusting the position of the placing tool on the rotating platform;
when the laser reflected by the plane mirror coincides with the laser emitted by the laser emitter, the placing tool is fixed at the current position of the rotating platform.
The tool and the method for placing the flat-plate-type target have the following beneficial effects that: the placing tool generates negative pressure through the vacuum chuck, adsorbs the flat target by utilizing the negative pressure, and enables the flat target to be tightly attached to the support under the action of the spring. Compared with the existing foam clamp, the stability of the foam clamp is higher.
Drawings
Fig. 1 is a schematic structural diagram of a placement tool according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for placing a plate-type target according to one embodiment of the present invention;
FIG. 3 is a diagram illustrating a method for measuring the reflectivity of a flat-panel target according to one embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, a placing tool provided in an embodiment of the present invention includes a support 101, a spring 102, and a vacuum chuck 103;
a support 101, comprising: a square base 1011, four side prisms 1012, and four upper prisms 1013;
four side prisms 1012 are fixed to four corners of the square base 1011, respectively;
every two side prisms are connected by an upper prism 1013;
one end of the spring 102 is fixed on the square base plate 1011, and the other end is connected with the vacuum chuck 103;
and the vacuum chuck 103 is used for generating negative pressure, adsorbing the flat target by the negative pressure and enabling the flat target to be tightly attached to the support 101 under the action of the spring 102.
In the actual measurement process, the flat-plate target can be a flat-plate radar wave-absorbing material.
According to the GJB2038A-2011 test standard, the size of the square formed by the four upper prisms is smaller than that of the flat target to be tested, so that the flat target can be placed on the support.
The four side prisms 1012 are respectively perpendicular to the square bottom plate 1011, and the four upper prisms 1013 form a square, and the plane of the square is parallel to the square bottom plate 1011.
The vacuum chuck is tightly attached to the flat target through the generated negative pressure, and the flat target is tightly attached to the support under the action of the spring. Compared with the existing foam clamp, the stability of the foam clamp is higher. And the measured flat plate type target can be directly adsorbed on the bracket only by adjusting the square base plate to be vertical before the reflectivity is measured, so that the error of manually adjusting the flat plate type target is avoided.
In one embodiment of the invention, to ensure that the flat target remains level with the square base, the surface roughness of each of the side prisms is no greater than 6.4um, and the surface roughness of each of the upper prisms is no greater than 6.4 um.
In one embodiment of the invention, the length of each upper prism is 100mm, and the length of each side prism is 200 mm;
the perpendicularity between the axis of the side prism and the square chassis is not more than 0.2 mm.
In one embodiment of the invention, the length of each upper prism is 100mm, and the length of each side prism is 200 mm;
in order to ensure that the horizontal error is within the allowable range of the test, the parallelism between the plane formed by the four upper prisms and the square chassis is less than 0.08 mm.
In one embodiment of the invention, the stent satisfies the following formula:
wherein, x is used for representing the parallelism of the plane enclosed by the four upper prisms and the square chassis, and y is used for representing the side length of the square chassis.
As shown in fig. 2, an embodiment of the present invention provides a method for placing a plate-type target by using the placement tool of any one of the above embodiments, including the following steps:
step 201: placing a flat plate type target on a support;
step 202: pressing a vacuum chuck on the flat target to enable the vacuum chuck to be adsorbed on the flat target;
step 203: placing a placing tool with a flat plate type target on a rotary platform;
step 204: a plane mirror is fixed on the outer side of a square chassis of the placing tool;
step 205: emitting a beam of laser subjected to horizontal calibration by using a laser emitter to irradiate a plane mirror, and adjusting the position of a placing tool on a rotating platform;
step 206: when the laser reflected by the plane mirror coincides with the laser emitted by the laser emitter, the placing tool is fixed at the current position of the rotary platform.
When the laser reflected by the plane mirror coincides with the laser emitted by the laser emitter, the flat target is shown to be vertically placed, and the measurement requirement is met.
As shown in fig. 3, when the placing tool is fixed on the rotary platform, the flat target is perpendicular to the rotary platform, and the flat target can be horizontally irradiated by the radar electromagnetic wave to measure the reflectivity of the flat target.
In summary, the embodiments of the present invention have at least the following effects:
1. in the embodiment of the invention, the placing tool generates negative pressure through the vacuum chuck, adsorbs the flat target by utilizing the negative pressure, and enables the flat target to be tightly attached to the bracket under the action of the spring. Compared with the existing foam clamp, the stability of the foam clamp is higher.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a put frock, its characterized in that: comprises a bracket, a spring and a vacuum chuck;
the stent, comprising: a square chassis, four side prisms and four upper prisms;
the four side prisms are respectively fixed at four corners of the square chassis;
every two side prisms are connected through one upper prism;
the four side prisms are respectively vertical to the square chassis, and the plane of the square surrounded by the four upper prisms is parallel to the square chassis;
the stent satisfies the following formula:
wherein x is used for representing the parallelism between a plane surrounded by the four upper prisms and the square chassis, and y is used for representing the side length of the square chassis;
one end of the spring is fixed on the square base plate, and the other end of the spring is connected with the vacuum chuck;
the vacuum chuck is used for generating negative pressure, adsorbing the negative pressure on the flat target, and enabling the flat target to be tightly attached to the support under the action of the spring.
2. The holding tool according to claim 1, wherein:
the surface roughness of each of the side prisms is no greater than 6.4 um;
and/or the presence of a gas in the gas,
the surface roughness of each of the upper prisms is not greater than 6.4 um.
3. The holding tool according to claim 1, wherein:
the length of each upper prism is 100mm, and the length of each side prism is 200 mm;
the perpendicularity between the axis of the side prism and the square chassis is not more than 0.2 mm.
4. The holding tool according to claim 1, wherein:
the length of each upper prism is 100mm, and the length of each side prism is 200 mm;
the parallelism between the plane defined by the four upper prisms and the square chassis is less than 0.08 mm.
5. A method for placing a plate-shaped target by using the placement tool of any one of claims 1 to 4, comprising the following steps of:
placing a flat plate type target on a support;
pressing a vacuum chuck on the flat-plate-type target to enable the vacuum chuck to be adsorbed on the flat-plate-type target;
placing a placing tool for placing the flat plate type target on a rotary platform;
a plane mirror is fixed on the outer side of the square chassis of the placing tool;
emitting a beam of laser subjected to horizontal calibration by using a laser emitter to irradiate the plane mirror, and adjusting the position of the placing tool on the rotating platform;
when the laser reflected by the plane mirror coincides with the laser emitted by the laser emitter, the placing tool is fixed at the current position of the rotating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810255715.XA CN108508412B (en) | 2018-03-27 | 2018-03-27 | Placement tool and method for placing flat plate type target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810255715.XA CN108508412B (en) | 2018-03-27 | 2018-03-27 | Placement tool and method for placing flat plate type target |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108508412A CN108508412A (en) | 2018-09-07 |
| CN108508412B true CN108508412B (en) | 2020-09-11 |
Family
ID=63378682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810255715.XA Active CN108508412B (en) | 2018-03-27 | 2018-03-27 | Placement tool and method for placing flat plate type target |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108508412B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197835A (en) * | 2014-09-11 | 2014-12-10 | 北京航空航天大学 | Spatial position simulation and calibration method |
| CN106144517A (en) * | 2016-08-30 | 2016-11-23 | 胡军勇 | A kind of pad automatic arranging apparatus and method |
| CN106425098A (en) * | 2016-11-22 | 2017-02-22 | 株洲天微技术有限公司 | Shell and cover plate laser soldering and sealing positioning tool and method |
| CN206994855U (en) * | 2016-08-29 | 2018-02-13 | 周永武 | With suctorial laying for goods platform |
| CN207014493U (en) * | 2017-05-31 | 2018-02-16 | 广元顺达木业有限公司 | A kind of furniture processing unit (plant) |
-
2018
- 2018-03-27 CN CN201810255715.XA patent/CN108508412B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197835A (en) * | 2014-09-11 | 2014-12-10 | 北京航空航天大学 | Spatial position simulation and calibration method |
| CN206994855U (en) * | 2016-08-29 | 2018-02-13 | 周永武 | With suctorial laying for goods platform |
| CN106144517A (en) * | 2016-08-30 | 2016-11-23 | 胡军勇 | A kind of pad automatic arranging apparatus and method |
| CN106425098A (en) * | 2016-11-22 | 2017-02-22 | 株洲天微技术有限公司 | Shell and cover plate laser soldering and sealing positioning tool and method |
| CN207014493U (en) * | 2017-05-31 | 2018-02-16 | 广元顺达木业有限公司 | A kind of furniture processing unit (plant) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108508412A (en) | 2018-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108406141A (en) | Ultrafast laser capillary processing method and device based on optical coherence tomography scanning | |
| CN207268614U (en) | Pin flatness calibrating installation | |
| CN108508412B (en) | Placement tool and method for placing flat plate type target | |
| JP6193601B2 (en) | Mount for calibration standards | |
| US10222414B2 (en) | Apparatus and method for exchanging probe | |
| CN111735401A (en) | High-precision thickness measurement method and device for large-size object | |
| CN219590244U (en) | Jig for ultrasonic detection and ultrasonic detection device | |
| CN204809203U (en) | Pallet means of fixed wafer | |
| CN217236825U (en) | Tool for testing bandwidth of accelerometer | |
| CN111721255A (en) | Flatness detection method and system | |
| CN116320953A (en) | Microphone calibration test board | |
| CN205373635U (en) | Side image measurement device | |
| WO2022032615A1 (en) | High-precision thickness measurement method and device for large-size object | |
| CN210850550U (en) | Adjusting device for optical centering instrument | |
| CN110068437B (en) | Method for checking vibration magnitude of electronic product | |
| CN114199142A (en) | Measuring device | |
| CN209147860U (en) | A kind of mobile phone shell side incline position detection device | |
| CN212845045U (en) | Detection assembly and detection equipment applying same | |
| CN105629532A (en) | Mechanical testing fixture for liquid crystal display panel | |
| CN209840957U (en) | Device for rapidly projecting and detecting blade | |
| CN110954882A (en) | Radar installation calibration device and calibration method thereof | |
| JP2017146179A (en) | Workpiece placement table for ultrasonic inspection device | |
| CN103697909B (en) | Guide rail slider type disc type micromechanics solid fluctuation gyro encapsulation device and method | |
| CN219957397U (en) | Cavity surface microscopic examination fixing device of semiconductor laser Bar | |
| CN210834638U (en) | Laser tester for tank cover scribing line |
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 |