CN216848101U

CN216848101U - Three-axis magnetic measurement calibration holder device of magnetometer

Info

Publication number: CN216848101U
Application number: CN202122887669.5U
Authority: CN
Inventors: 张伟明; 汪孝文
Original assignee: Nanjing Fangzhiyu Technology Co ltd
Current assignee: Nanjing Fangzhiyu Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-06-28
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a magnetometer triaxial magnetic measurement calibration holder device, which comprises a chassis and a sensor platform, wherein a supporting structure is arranged on the chassis, an outer ring is arranged at the top of the supporting structure, the outer ring is relatively and rotatably connected to the supporting structure, a middle ring is rotatably connected to the outer ring, an inner ring is rotatably connected to the middle ring, the rotating shaft axes of the outer ring, the middle ring and the inner ring are mutually vertical in space, the sensor platform is arranged on the inner ring, a first limiting nut and a second limiting nut are in threaded connection with the rotating shafts of the middle ring and the inner ring, and a limiting screw rod is arranged on the supporting structure. The device can make the triaxial freely rotate in space to be convenient for fix a position, reduced the calibration degree of difficulty.

Description

Three-axis magnetic measurement calibration holder device of magnetometer

Technical Field

The utility model relates to a magnetic detection device, in particular to a three-axis magnetic measurement calibration holder device of a magnetometer.

Background

In the tests of an optical pump magnetometer and a proton magnetometer, the working angle and the steering difference of the optical pump magnetometer and the proton magnetometer need to be measured, and the three-axis non-orthogonality of the vector fluxgate magnetometer needs to be calibrated, so that a calibration holder capable of freely rotating at any angle in a space 360-degree range is needed.

The general calibration platform has no rotation function, and is very inconvenient to calibrate.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a three-axis magnetic measurement calibration holder device of a magnetometer, which can enable three axes to freely rotate in space, is convenient to position and reduces the calibration difficulty.

In order to achieve the purpose, the three-axis magnetic measurement calibration holder device of the magnetometer comprises a chassis and a sensor platform, wherein a supporting structure is arranged on the chassis, an outer ring is installed at the top of the supporting structure and is connected to the supporting structure in a relative rotating mode, a middle ring is connected to the outer ring in a rotating mode, an inner ring is connected to the middle ring in a rotating mode, the rotating shaft axes of the outer ring, the middle ring and the inner ring are mutually perpendicular in space, the sensor platform is installed on the inner ring, a first limiting nut and a second limiting nut are connected to the rotating shafts of the middle ring and the inner ring in a threaded mode, and a limiting screw rod is arranged on the supporting structure.

Furthermore, the supporting structure comprises three guide plates, a linkage sleeve and a supporting rod which are respectively connected to the chassis in a rotating mode, the three guide plates are distributed along the axis of the chassis in an equidistant mode, the supporting rod is connected to the surface of the linkage sleeve in a rotating mode and distributed in an equidistant mode, a sliding block is arranged at the other end of the supporting rod, the sliding block can slide along the length direction of the guide plates, and the other end of the supporting rod is connected to the sliding block in a rotating mode.

Furthermore, the deflector is equipped with the gliding spout of confession slider, has the regulating part along vertical direction threaded connection in the spout, and the regulating part contacts with the slider.

Furthermore, rotating hand wheels are fixed on rotating shafts of the middle ring and the inner ring, and the two rotating hand wheels, the first limiting nut and the second limiting nut are respectively positioned on two sides of the rotating shaft axis of the middle ring and the rotating shaft axis of the inner ring.

Furthermore, an adjusting bolt is connected to the chassis in a threaded manner and is in contact with the surface of the guide plate to limit the rotation of the guide plate.

Has the advantages that: the rotation of the inner ring and the middle ring is realized through the rotating hand wheel, the position is fixed after the rotation is realized through the first limiting nut and the second limiting nut, the change of a magnetic field collected by the magnetometer is recorded in the rotating process of the inner ring and the middle ring, the position fixation of the inner ring and the middle ring is simplified through the first limiting nut and the second limiting nut, the rotating mode of the inner ring and the middle ring is simplified through the rotating hand wheel, and the use is simple and convenient.

Drawings

The present invention will be further described and illustrated with reference to the following drawings.

Fig. 1 is an overall structural schematic diagram of a preferred embodiment of the present invention.

Reference numerals: 1. a chassis; 2. a sensor platform; 3. a guide plate; 4. a linkage sleeve; 5. a support bar; 6. a slider; 7. adjusting the bolt; 8. an adjustment member; 9. an outer ring; 10. a middle ring; 11. an inner ring; 12. a first limit nut; 13. A second limiting nut; 14. rotating a hand wheel; 15. the screw is restrained.

Detailed Description

The technical scheme of the utility model is more clearly and completely explained by the description of the preferred embodiment of the utility model in combination with the attached drawings.

As shown in fig. 1, a three-axis magnetic measurement calibration holder device of a magnetometer according to a preferred embodiment of the present invention includes a circular chassis 1 and a sensor platform 2, wherein a supporting structure is disposed on the chassis 1.

The supporting structure comprises three guide plates 3, a linkage sleeve 4 and a supporting rod 5 which are respectively connected to the chassis 1 in a rotating mode, the three guide plates 3 are distributed along the axis of the chassis 1 at equal intervals, the linkage sleeve 4 is cylindrical, the axis of the linkage sleeve 4 is collinear with the axis of the chassis 1, one end of the supporting rod 5 is located on the outer surface of the linkage sleeve 4, and the 3 guide plates 3 are also distributed along the outer surface of the linkage sleeve 4 at equal intervals. One end of a support rod 5 is rotatably connected to the linkage sleeve 4, the other end of the support rod 5 is provided with a sliding block 6, the support rod 5 is rotatably connected with the sliding block 6, the sliding block 6 can slide along the length direction of the guide plate 3, and the rotating directions of one support rod 5 and one guide plate 3 which are mutually connected are consistent.

The sliders 6 on the 3 guide plates 3 slide synchronously, so that the height of the linkage sleeve 4 can be adjusted. In the latter case, one of the guide plates 3 can be rotated independently, and the position of the slider 6 can be adjusted according to the rotation of the guide plate 3, so that each guide plate 3 can be made to be more close to the ground.

The chassis 1 is provided with 3 adjusting bolts 7 in threaded connection, each adjusting bolt 7 is parallel to the rotating shaft of one guide plate 3, and the adjusting bolts 7 are abutted against the side faces of the guide plates 3 through screwing, so that the guide plates 3 are limited to rotate randomly.

The guide plate 3 is provided with a sliding groove which limits the sliding of the sliding block 6. An adjusting piece 8 is connected in the sliding groove along the vertical direction in a threaded manner, the supporting rod 5 drives the sliding block 6 to abut against the adjusting piece 8 under the action of the gravity of the linkage sleeve 4, and the adjusting piece 8 limits the lower end of the supporting rod 5 to move towards the direction far away from the axis direction of the chassis 1.

An outer ring 9 is installed at the top of the linkage sleeve 4, the outer ring 9 can rotate relative to the axis of the linkage sleeve 4, a middle ring 10 is connected to the outer ring 9 in a rotating mode, and an inner ring 11 is connected to the middle ring 10 in a rotating mode. The axes of the rotating shafts of the outer ring 9, the middle ring 10 and the inner ring 11 are mutually vertical in space. The sensor platform 2 is mounted on an inner ring 11, and the change of the magnetic field of the magnetometer on the sensor platform 2 is recorded through the rotation of the outer ring 9, the middle ring 10 and the inner ring 11.

A first limiting nut 12 and a second limiting nut 13 are screwed on the rotating shafts of the middle ring 10 and the inner ring 11, and the surface of the first limiting nut 12 can be tightly attached to the outer ring 9 by screwing the first limiting nut 12, so that the rotation of the middle ring 10 is limited. Similarly, by screwing the second limiting nut 13, the surface of the second limiting nut 13 can be made to abut against the surface of the middle ring 10, thereby limiting the rotation of the inner ring 11.

The linkage sleeve 4 is connected with a limiting screw rod 15 in a threaded mode, the limiting screw rod 15 is arranged along the radial direction of the linkage sleeve 4, the outer ring 9 is inserted into the linkage sleeve 4, the limiting screw rod 15 abuts against the surface of the outer ring 9, and the limiting screw rod 15 limits rotation of the outer ring 9.

The rotating shafts of the middle ring 10 and the inner ring 11 are both fixed with rotating handwheels 14, and the two rotating handwheels 14 and the first limiting nut 12 and the second limiting nut 13 are respectively positioned at two sides of the rotating shaft axes of the middle ring 10 and the inner ring 11. The hand wheel 14 is rotated to facilitate the rotation of the middle ring 10 and the inner ring 11, and the first and second

limiting nuts

12 and 13 facilitate the fixing of the positions of the middle ring 10 and the inner ring 11 after the rotation of the middle ring 10 or the inner ring 11.

The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the utility model. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art from the following detailed description and drawings. The scope of the utility model is defined by the claims.

Claims

1. The utility model provides a magnetometer triaxial magnetism surveys calibration cloud platform device, includes chassis, sensor platform, its characterized in that, be equipped with bearing structure on the chassis, the outer loop is installed at bearing structure's top, the outer loop is connected on bearing structure relatively rotating, it is connected with the zhonghuan to rotate on the outer loop, it is connected with the inner ring to rotate on the zhonghuan, outer loop, zhonghuan and inner ring three's pivot axis is mutually perpendicular in the space, the sensor platform is installed on the inner ring, threaded connection has first restriction nut and second restriction nut in the pivot between zhonghuan and inner ring two, the last restriction screw that is equipped with of bearing structure.

2. The magnetometer three-axis magnetic measurement calibration holder device according to claim 1, wherein the supporting structure comprises three guide plates, a linkage sleeve and a supporting rod which are respectively rotatably connected to the chassis, three guide plates are equidistantly distributed along the axis of the chassis, the supporting rod is rotatably connected to the surface of the linkage sleeve and equidistantly distributed, a sliding block is arranged at the other end of the supporting rod, the sliding block can slide along the length direction of the guide plates, and the other end of the supporting rod is rotatably connected to the sliding block.

3. The magnetometer triaxial magnetic calibration holder apparatus according to claim 2, wherein the guide plate is provided with a sliding groove for sliding of the sliding block, the sliding groove is threaded with an adjusting member in a vertical direction, and the adjusting member is in contact with the sliding block.

4. The magnetometer triaxial magnetic measuring calibration holder device according to claim 1, wherein the rotating handwheels are fixed on the rotating shafts of the middle ring and the inner ring, and the two rotating handwheels, the first limiting nut and the second limiting nut are respectively positioned on two sides of the rotating shaft axis of the middle ring and the inner ring.

5. The magnetometer tri-axis magnetic calibration pan-tilt apparatus of claim 1, wherein the chassis is threadedly connected with an adjusting bolt, and the adjusting bolt contacts with a surface of the guide plate to limit the rotation of the guide plate.