CN216310252U - Portable magnetic sensor calibration device - Google Patents
Portable magnetic sensor calibration device Download PDFInfo
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- CN216310252U CN216310252U CN202122347835.2U CN202122347835U CN216310252U CN 216310252 U CN216310252 U CN 216310252U CN 202122347835 U CN202122347835 U CN 202122347835U CN 216310252 U CN216310252 U CN 216310252U
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Abstract
The utility model discloses a portable magnetic sensor calibration device, which is used for calibrating a projectile body with a magnetic sensor and comprises a circular base plate, wherein an orientation base plate is rotatably arranged on the base plate, two parallel bracket plates are vertically arranged on the orientation base plate, a rectangular inner ring frame is rotatably erected on the two bracket plates, the left side edge and the right side edge of the inner ring frame are respectively rotatably connected with the two bracket plates, a front chuck component is fixedly connected to the front side edge of the inner ring frame, a rear chuck component is fixedly connected to the rear side plate of the inner ring frame, and the front chuck component and the rear chuck component are used for clamping the projectile body. Compared with the calibration device in the prior art, the technical scheme of the utility model adopts a mechanical structure to control the horizontal azimuth angle, the pitch angle and the roll angle of the projectile body, and does not interfere with electronic components in the projectile body.
Description
Technical Field
The utility model relates to the field of manufacturing of small-sized guided missiles, in particular to a portable magnetic sensor calibration device.
Background
The magnetic sensor has the characteristics of high measurement precision, no accumulated error, low cost and the like, and is widely applied to attitude measurement of low-cost small-sized guided munitions. However, the magnetic sensor is easily interfered by external electromagnetic interference to cause measurement errors, so that the technical and tactical indexes can be met only by calibrating the errors before use. At present, before the magnetic sensor is delivered from a factory, error calibration is carried out in a special laboratory to ensure the measurement precision. However, as the use environment changes, the external magnetic interference also changes, so that it is difficult to ensure that the calibration result of the magnetic sensor is effective for a long time.
The calibration work of the magnetic sensor needs to provide accurate attitude information by means of a non-magnetic turntable, and the non-magnetic turntable is mainly divided into an automatic turntable and a manual turntable at present. The automatic turntable generally comprises a table body and a control computer, wherein the control computer controls a servo motor on the table body to drive the table body to rotate around a rotating shaft according to a set program. In order to eliminate the magnetic interference of components such as a turntable servo motor and the like on a magnetic sensor, the automatic turntable is generally large in size so as to ensure that magnetic interference sources such as the motor and the like are far away from the magnetic sensor, so that the automatic turntable is generally large in size and weight and high in cost and needs to be fixedly installed in a specially designed magnetic interference-free laboratory.
Therefore, how to design a calibration device without electric devices is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a portable magnetic sensor calibration device.
In order to achieve the above object, the present invention adopts the following technical solutions.
The utility model provides a portable magnetic sensor calibration device for the demarcation of the projectile body that has the magnetic sensor, includes the circular shape bed plate, rotationally be provided with the position base board on the bed plate, the vertical mounting panel that is provided with two parallels of each other on the position base board, two rotatable inner ring frame that is equipped with the rectangle that erects on the mounting panel, the left and right sides limit of inner ring frame rotates with two mounting panels respectively and is connected, cartridge assembly before the fixedly connected with on the preceding side of inner ring frame, cartridge assembly behind the fixedly connected with on the posterior lateral plate of inner ring frame, preceding cartridge assembly is used for pressing from both sides with back cartridge assembly and establishes the projectile body.
Further, the front chuck assembly comprises a front base and a bullet head tool, the front base is fixedly connected to the front side edge of the inner ring frame, a first through hole in the front-back direction is formed in the front base, a front mounting shaft matched with the first through hole is arranged at the front end of the bullet head tool, and the bullet head tool is inserted into the first through hole through the front mounting shaft and is mounted on the front base; the rear chuck assembly comprises a rear base and a bullet tail tool, the rear base is fixedly connected to the rear side edge of the inner ring frame, a second through hole in the front-rear direction is formed in the rear base, a rear installation shaft is arranged at the tail of the bullet tail tool, and the bullet tail tool is inserted into the second through hole through the rear installation shaft and is installed on the rear base.
Further, the front base is mounted on the front side edge of the inner ring frame through bolts, and the rear base is mounted on the rear side edge of the inner ring frame through bolts.
Furthermore, a roll angle dial is arranged on the front base, and a roll angle pointer is arranged on the front mounting shaft.
Furthermore, the middle parts of the left side edge and the right side edge of the inner ring frame are respectively provided with a first mounting hole, the upper ends of the two support plates are respectively provided with a second mounting hole, and the inner ring frame is connected to the two support plates through bolts and nuts.
Furthermore, the bottom of bed plate is provided with three height-adjustable's supporting legs, be provided with the bubble spirit level on the position base plate.
Furthermore, an electronic level meter is arranged on the left side edge or the right side edge of the inner ring frame.
Furthermore, the side of the base plate is provided with azimuth scales.
Furthermore, warhead frock and bullet tail frock have a plurality of dimensions respectively.
Compared with the calibration device in the prior art, the technical scheme of the utility model has the advantages that the horizontal azimuth angle, the pitch angle and the roll angle of the projectile body are controlled by adopting a mechanical structure, and the electronic elements in the projectile body cannot be interfered.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a portable magnetic sensor calibration device according to an embodiment of the present invention;
FIG. 2 is a perspective view of a portable magnetic sensor calibration device according to an embodiment of the present invention;
in the above figures:
1, a base plate; 2 an orientation base plate; 3, a support plate; 4 an inner ring frame;
5, front chuck component; 501 front base; 502, bullet head tooling; 503 front mounting shaft; 504 roll angle dial; 505 roll angle pointer;
6, a rear chuck component; 601 a rear base; 602, performing a bullet tail tool; mounting a shaft after 603;
7 supporting the feet; 8, a bubble level meter; 9 an electronic level; 10 azimuth angle scales; 11 of an elastomer.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The utility model can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the utility model. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, a portable magnetic sensor calibration device is used for calibrating a projectile 11 with a magnetic sensor, and includes a circular base plate 1, wherein an orientation base plate 2 is rotatably disposed on the base plate 1, two parallel support plates 3 are vertically disposed on the orientation base plate 2, a rectangular inner ring frame 4 is rotatably mounted on the two support plates 3, left and right sides of the inner ring frame 4 are rotatably connected with the two support plates 3, a front cartridge assembly 5 is fixedly connected to a front side edge of the inner ring frame 4, a rear cartridge assembly 6 is fixedly connected to a rear side plate of the inner ring frame 4, and the front cartridge assembly 5 and the rear cartridge assembly 6 are used for clamping the projectile 11.
In the above embodiment, the body 11 is sandwiched between the front chuck assembly 5 and the rear chuck assembly 6. The orientation base plate 2 can rotate relative to the base plate 1 to rotatably control the azimuth angle of the projectile body 11. The inner ring frame 4 is rotatably hinged on the two support plates 3 and can control the pitch angle of the projectile body 11. The front cartridge assembly 5 and the rear cartridge assembly 6 may be used to roll the body 11 and control the roll angle of the body 11. The horizontal azimuth angle, the pitch angle and the roll angle of the projectile body 11 can be controlled through the three groups of rotating pairs.
Further, the front chuck assembly 5 includes a front base 501 and a bullet head tooling 502, the front base 501 is fixedly connected to the front side edge of the inner ring frame 4, the front base 501 is provided with a first through hole in the front-back direction, the front end of the bullet head tooling 502 is provided with a front mounting shaft 503 matched with the first through hole, and the bullet head tooling 502 is inserted into the first through hole through the front mounting shaft 503 and mounted on the front base 501; the rear chuck assembly 6 comprises a rear base 601 and a tail tool 602, the rear base 601 is fixedly connected to the rear side edge of the inner ring frame 4, a second through hole in the front-rear direction is formed in the rear base 601, a rear mounting shaft 603 is arranged at the tail of the tail tool 602, and the tail tool 602 is inserted into the second through hole through the rear mounting shaft 603 and is mounted on the rear base 601.
The specific structure of the front cartridge assembly 5 and the rear cartridge assembly 6 is described in the above embodiment, and roll angle control of the projectile body 11 can be achieved.
Further, the front base 501 is mounted on the front side edge of the inner ring frame 4 by bolts, and the rear base 601 is mounted on the rear side edge of the inner ring frame 4 by bolts. The front base 501 is provided with a roll angle dial 504, and the front mounting shaft 503 is provided with a roll angle pointer 505.
In the above embodiment, the front base 501 and the rear base 601 are both mounted on the inner ring frame 4 by bolts, and at the time of assembly, the front base 501 is mounted on the front end of the projectile body 11, the rear base 601 is mounted on the rear end of the projectile body 11, and the projectile body 11 mounted with the front base 501 and the rear base 601 is mounted on the inner ring frame 4 by bolts.
Furthermore, the middle parts of the left side edge and the right side edge of the inner ring frame 4 are respectively provided with a first mounting hole, the upper ends of the two support plates 3 are respectively provided with a second mounting hole, and the inner ring frame 4 is connected to the two support plates 3 through bolts and nuts. In the above embodiment, the inner ring frame 4 is connected to the support plate 3 by bolts and nuts, so that the pitch angle can be adjusted.
Furthermore, the bottom of the base plate 1 is provided with three height-adjustable supporting legs 7, and the orientation base plate 2 is provided with a bubble level meter 8. Further, an electronic level 9 is arranged on the left side edge or the right side edge of the inner ring frame 4.
In the above embodiment, the three supporting legs 7 of the base plate 1 can achieve the primary leveling. During the leveling process, the bubble level 8 may make a preliminary determination.
The horizontal coarse adjustment aims at quickly adjusting the base plate 1 to a roughly horizontal position, and comprises the following steps: the three supporting legs 7 on the lower surface of the base plate 1 are manually adjusted, the levelness of the base plate 1 is adjusted by adjusting the heights of the three supporting legs 7, the bubble level meter 8 on the upper surface is observed, when bubbles are located in the center, the base is roughly level, and the rough horizontal adjustment is completed.
After the rough adjustment of the base plate 1 is completed, the horizontal fine adjustment in the transverse rolling shaft direction is performed, and the purpose of the horizontal fine adjustment is to further eliminate the horizontal error in the transverse rolling shaft direction.
The electronic level 9 is arranged on the inner ring frame 4, the pitching axis direction does not need to be finely adjusted, and the pitching angle can be directly read from the electronic level 9.
Further, the side of the base plate is provided with an azimuth scale 10. The azimuth rotation angle can be conveniently and visually acquired.
Further, in order to adapt the device to the body 11 with more sizes, the bullet head tooling 502 and the bullet tail tooling 602 respectively have a plurality of sizes.
Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.
Claims (9)
1. The utility model provides a portable magnetic sensor calibration device for the demarcation of the body of bullet (11) that has the magnetic sensor, its characterized in that, including circular shape bed plate (1), rotationally be provided with position base plate (2) on bed plate (1), vertically be provided with two carriage plates (3) that are parallel to each other on position base plate (2), two rotatable inner ring frame (4) that are equipped with the rectangle that erect on carriage plate (3), the left and right sides limit of inner ring frame (4) rotates with two carriage plates (3) respectively to be connected, fixedly connected with preceding cartridge assembly (5) on the preceding side edge of inner ring frame (4), fixedly connected with back cartridge assembly (6) on the back curb plate of inner ring frame (4), preceding cartridge assembly (5) and back cartridge assembly (6) are used for pressing from both sides body of bullet (11).
2. The portable magnetic sensor calibration device according to claim 1, wherein the front chuck assembly (5) comprises a front base (501) and a bullet head fixture (502), the front base (501) is fixedly connected to the front side edge of the inner ring frame (4), a first through hole in the front-back direction is formed in the front base (501), a front mounting shaft (503) matched with the first through hole is arranged at the front end of the bullet head fixture (502), and the bullet head fixture (502) is mounted on the front base (501) by inserting the front mounting shaft (503) into the first through hole; back chuck subassembly (6) contain back base (601) and bullet tail frock (602), back base (601) fixed connection be in the back side of inner ring frame (4), be provided with the second through-hole of fore-and-aft direction on back base (601), the afterbody of bullet tail frock (602) is provided with back installation axle (603), bullet tail frock (602) are inserted through back installation axle (603) on back base (601) is installed to the second through-hole.
3. The portable magnetic sensor calibration device according to claim 2, wherein the front base (501) is mounted on the front side of the inner ring frame (4) by bolts, and the rear base (601) is mounted on the rear side of the inner ring frame (4) by bolts.
4. The portable magnetic sensor calibration device according to claim 3, wherein a roll angle dial (504) is provided on the front base (501), and a roll angle pointer (505) is provided on the front mounting shaft (503).
5. The portable magnetic sensor calibration device according to claim 1, wherein the middle of the left and right sides of the inner ring frame (4) is provided with a first mounting hole, the upper ends of the two support plates (3) are provided with a second mounting hole, and the inner ring frame (4) is connected to the two support plates (3) through bolts and nuts.
6. The portable magnetic sensor calibration device according to claim 1, wherein the base plate (1) is provided at its bottom with three height-adjustable support feet (7), and the orientation base plate (2) is provided with a bubble level gauge (8).
7. The portable magnetic sensor calibration device according to claim 1, wherein an electronic level (9) is provided on the left or right side of the inner ring frame (4).
8. The portable magnetic sensor calibration device according to claim 1, wherein the side of the base plate is provided with an azimuth scale (10).
9. The portable magnetic sensor calibration device of claim 2, wherein the bullet head tooling (502) and the bullet tail tooling (602) each have a plurality of dimensional specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347835.2U CN216310252U (en) | 2021-09-27 | 2021-09-27 | Portable magnetic sensor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347835.2U CN216310252U (en) | 2021-09-27 | 2021-09-27 | Portable magnetic sensor calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216310252U true CN216310252U (en) | 2022-04-15 |
Family
ID=81112523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122347835.2U Active CN216310252U (en) | 2021-09-27 | 2021-09-27 | Portable magnetic sensor calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216310252U (en) |
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2021
- 2021-09-27 CN CN202122347835.2U patent/CN216310252U/en active Active
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