CN112378393B - Floating type anti-inclination orientation fluxgate probe detection device - Google Patents
Floating type anti-inclination orientation fluxgate probe detection device Download PDFInfo
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- CN112378393B CN112378393B CN202011015172.8A CN202011015172A CN112378393B CN 112378393 B CN112378393 B CN 112378393B CN 202011015172 A CN202011015172 A CN 202011015172A CN 112378393 B CN112378393 B CN 112378393B
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- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/28—Electromagnetic compasses
- G01C17/30—Earth-inductor compasses
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Abstract
The invention discloses a floating type inclination-resistant orientation fluxgate probe detection device, which relates to the field of sensor detection and comprises a base, a course dial, a left support, a right support and a test workbench, wherein the course dial is fixedly provided with the left support and the right support; the center position of the course dial is fixedly provided with a central rotating shaft, the upper supporting ring is fixedly arranged on the lower end surface of the course dial, the lower supporting ring is fixedly arranged on the upper end surface of the base, and the upper supporting ring and the lower supporting ring are in surface contact and rotate in a mutual friction mode, so that the course scale can freely rotate around the center of the base by 360 degrees. The course dial of the invention can meet the requirement of the test precision of the azimuth fluxgate probe within the range of 0-360 degrees; the device has the advantages of high measurement precision, strong reliability, small volume, simple structure and low manufacturing cost.
Description
Technical Field
The invention relates to the field of sensor detection, in particular to a floating anti-inclination fluxgate probe detection device.
Background
The geomagnetic compass takes the earth rotation axis (magnetic north) as a calibration reference in the earth range, and is the only optional orientation device for most application fields. The azimuth fluxgate probe is a core component of the fluxgate compass, so the precision of the azimuth fluxgate probe is very important for the orientation accuracy of the geomagnetic compass. In order to ensure the quality of the floating anti-inclination orientation fluxgate sensor probe, the invention provides a detection device of the floating anti-inclination orientation fluxgate probe.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the floating type inclination-resistant orientation fluxgate probe detection device which has the advantages of convenience in use, high detection precision and small occupied space.
The purpose of the invention is completed by the following technical scheme: the floating anti-inclination fluxgate probe detection device comprises a base, a course dial, a left support, a right support and a test workbench, wherein the course dial is fixedly provided with the left support and the right support; the left support is provided with a left locking screw rod with a pressure spring and used for loosening or locking the left rotating shaft, and when the left rotating shaft is loosened, the test workbench rotates around the left rotating shaft and the right rotating shaft and is matched with the inclined dial to realize the adjustment of the test angle of the test workbench; the compass is detachably arranged at the central position of the test workbench and used for adjusting the detection device to align to the magnetic north; the azimuth fluxgate probe to be tested is fixed at the central position of the test workbench, and 0 degree of the azimuth fluxgate probe to be tested is aligned to the magnetic north; a central rotating shaft is fixedly arranged at the central position of the course dial, the central rotating shaft and the to-be-detected orientation fluxgate probe are coaxially arranged, a central shaft sleeve is sleeved outside the central rotating shaft, and the central shaft sleeve is fixedly connected with the base; the upper support ring is fixedly arranged on the lower end surface of the course dial, the lower support ring is fixedly arranged on the upper end surface of the base, and the upper support ring and the lower support ring are in surface contact and rotate in a mutual friction mode, so that the course scale can freely rotate 360 degrees around the center of the base; one side of the base is provided with a course locking mechanism which is used for contacting and locking the outer edge of the course dial; the base is provided with a positioning disc in a positioning mode through a base positioning pin, the vernier turntable is sleeved on the positioning disc, one end of a course vernier fixing frame is fixedly connected with the vernier turntable, the other end of the course vernier fixing frame is fixedly connected with the course vernier, one side of the vernier turntable is provided with a hole for an ejector rod screw to extend into, and the ejector rod screw is pressed on the positioning disc through a compression spring and a compression ejector block to limit the vernier turntable to rotate.
As a further technical scheme, the base is supported on the ground through a foot margin with an adjusting screw and a clamping nut, and the course gradienter is fixedly arranged on the course graduated disc and is used for being matched with the adjusting screw to level the course graduated disc.
As a further technical scheme, the gear transmission pair comprises a driven gear and a driving gear shaft which are in meshed transmission with each other, the driven gear is sleeved on the right rotating shaft and is limited to rotate and move axially by a positioning pin; the housing fixedly arranged on the right bracket is arranged outside the gear transmission pair to protect the gear transmission pair; one end of the driving gear shaft is sleeved into the gear shaft sleeve and is fixedly installed with the right support through a limiting plate and a countersunk head screw B, the other end of the driving gear shaft extends out of the housing and is connected with a right handle, and a limiting pin shaft for limiting is arranged on the right handle.
As a further technical scheme, the course locking mechanism comprises a positioning frame, the positioning frame fixedly arranged on the base is fixedly connected with a course locking block through a right locking screw and a limiting pin, the upper end of the course locking block is in contact with the outer edge of the course dial, locking is realized through adjusting the right locking screw, and the bottom of the course locking block is fixedly connected with the course locking support plate.
As a further technical scheme, the left rotating shaft is supported on the left support through a left shaft sleeve, the right rotating shaft is supported on the right support through a right shaft sleeve, the inclined dial is locked through a nut and a washer which are sleeved on the left rotating shaft, and a left handle is installed on the nut and used for quickly loosening or locking the inclined dial.
As a further technical scheme, a positioning pad is fixedly arranged at the bottom of the central rotating shaft, and an adjusting pad is arranged between the central shaft sleeve and the positioning pad.
As a further technical scheme, a test workbench level gauge is fixedly arranged on the upper end face of the test workbench and used for leveling the test workbench.
As a further technical scheme, an inclined vernier fixing frame is fixedly arranged on the left support, and an inclined vernier is fixedly arranged on the inclined vernier fixing frame and is in close fit with the inclined dial; the tilt angle resolution of the tilt vernier was 2 'and the accuracy was 6'.
As a further technical scheme, the upper supporting ring and the lower supporting ring are both made of tin bronze materials.
As a further technical scheme, the angular resolution of the heading cursor is 2 'and the precision is 6'.
The beneficial effects of the invention are as follows:
1. the course dial can meet the requirement of the test precision of the probe of the azimuth sensor in the rotation range of 0-360 degrees;
2. the azimuth sensor probe can meet the requirement of the test precision of the azimuth sensor probe when the azimuth sensor probe is inclined at a set angle;
3. the device has high precision, high reliability and small volume;
4. simple structure and low manufacturing cost.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a cross-sectional view B-B of fig. 2 (without the left and right brackets and test station).
Fig. 4 is a sectional view a-a of fig. 1.
Fig. 5 is a view in the direction C of fig. 2.
Description of reference numerals: 1. a base; 2. a course dial; 3. a left bracket; 4. a right bracket; 5. a test bench; 6. a ground margin; 7. adjusting the screw rod; 8. tightening the nut; 9. a mandril screw; 10. a screw A; 11. positioning a plate; 12. a chassis positioning pin; 13. a countersunk head screw A; 14. a left rotating shaft; 15. a left shaft sleeve; 16. tilting the dial; 17. a nut; 18. a left handle; 19. a gasket; 20. a left locking screw; 21. a pressure spring; 22. an inclined pressing block; 23. a right rotary shaft; 24. a right shaft sleeve; 25. a driven gear; 26. positioning pins; 27. a housing; 28. a right handle; 29. and a limiting pin shaft. 30. A driving gear shaft; 31. a limiting plate; 32. a countersunk head screw B; 33. a gear shaft sleeve; 34. a screw B; 35. a screw C; 36. a central rotating shaft; 37. a screw D; 38. a course level; 39. a central shaft sleeve; 40. a screw E; 41. a screw F; 42. a screw G; 43. an upper support ring; 44. a lower support ring; 45. an adjustment pad; 46. a screw H; 47. a positioning pad; 48. a course locking support plate; 49. a positioning frame; 50. a screw I; 51. a right locking screw; 52. a spacing pin; 53. a screw J; 54. a course locking block; 55. a compression spring; 56. pressing the top block; 57. a screw K; 58. a course vernier fixing frame; 59. a course cursor; 60. a screw L; 61. testing a workbench level gauge; 62. tilting the vernier; 63. a screw M; 64. a screw N; 65. inclining the vernier fixing frame; 66. a compass; 67. a bracket positioning pin; 68. a vernier dial.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in fig. 1, the floating anti-inclination orientation fluxgate probe detection device comprises a base 1, a heading dial 2, a left bracket 3, a right bracket 4 and a test workbench 5, wherein the heading dial 2 is fixedly provided with the left bracket 3 and the right bracket 4 (as shown in fig. 4) through a screw A10, a screw B34 and a bracket positioning pin 67, one end of a left rotating shaft 14 is rotatably connected to the left bracket 3 through a left shaft sleeve 15, the other end of the left rotating shaft is sleeved with an inclination dial 16, the inclination dial 16 is locked through a nut 17 and a washer 19 sleeved on the left rotating shaft 14, and the nut 17 is provided with a left handle 18 for quickly loosening or locking the inclination dial 16. An inclined vernier fixing frame 65 is fixedly arranged on the left bracket 3 through a screw N64, and an inclined vernier 62 is fixedly arranged on the inclined vernier fixing frame 65 through a screw M63 and is in close fit with the inclined dial 16; the tilt angle resolution of the tilt vernier 62 is 2 'and the accuracy is 6'.
One end of the right rotating shaft 23 is rotatably connected to the right bracket 4 through a right shaft sleeve 24, the other end of the right rotating shaft is sleeved with a driven gear 25, the driven gear 25 is limited to rotate and move axially by a positioning pin 26, the driving gear shaft 30 and the driven gear 25 are mutually engaged and driven to form a gear transmission pair, and a housing 27 fixedly arranged on the right bracket 4 is arranged outside the gear transmission pair to form protection for the gear transmission pair; one end of the driving gear shaft 30 is sleeved in the gear shaft sleeve 33 and is fixedly installed with the right bracket 4 through a limiting plate 31 and a countersunk head screw B32, the other end of the driving gear shaft 30 extends out of the housing 27 and is connected with a right handle 28, and a limiting pin shaft 29 is arranged on the right handle 28 for limiting; the left rotating shaft 14 and the right rotating shaft 23 are fixedly connected with the test workbench 5 through countersunk head screws A13; set up left locking screw 20 that has pressure spring 21 on the left socle 3 for unclamp or lock left pivot 14, when left locking screw 20 unclamped, left pivot 14 is in free state, wave right handle 28 with the hand and drive driving gear axle 30 rotatory, driven gear 25 is following the rotation, thereby drive right pivot 23 and rotate, make test table 5 do rotary motion around left pivot 14 and right pivot 23, through observing the angle reading on slope dial 16 and the slope vernier scale 62 (test table 5 is locked with left locking screw 20 when going to the angle of setting for measurement), realize the accurate adjustment to test table 5 inclination. As shown in fig. 2, a test table level 61 is fixedly mounted on the upper end surface of the test table 5 for leveling the test table 5.
As shown in fig. 1 and 2, the compass 66 is detachably mounted at the center of the test workbench 5, and is used for adjusting the 0 ° of the heading dial 2 to align to the magnetic north (after alignment, the compass 66 is removed, and then the azimuth fluxgate probe to be tested is mounted); the azimuth fluxgate probe to be tested is fixed at the central position of the test workbench 5, and the 0-degree position of the azimuth fluxgate probe to be tested is also aligned to the magnetic north before the test; the central position of the heading dial 2 is fixedly provided with a central rotating shaft 36 through a screw F41, the central rotating shaft 36 and the orientation fluxgate probe to be measured are coaxially arranged, a central shaft sleeve 39 is sleeved outside the central rotating shaft 36, the central shaft sleeve 39 is fixedly connected with the base 1 through a screw E40, the bottom of the central rotating shaft 36 is fixedly provided with a positioning pad 47 through a screw H46, and an adjusting pad 75 is arranged between the central shaft sleeve 39 and the positioning pad 47.
Referring to fig. 3, the upper support ring 43 is fixedly mounted on the lower end face of the heading dial 2 through a screw G42, the lower support ring 44 is fixedly mounted on the upper end face of the base 1 through a screw G42, and the upper support ring 43 and the lower support ring 44 are in surface contact and rotate in a mutual friction manner, so that the heading dial 2 freely rotates around the center of the base 1 by 360 degrees. Preferably, the upper support ring 43 and the lower support ring 44 are both made of tin bronze.
One side of the base 1 is provided with a course locking mechanism which is used for contacting the outer edge of the course dial 2 and locking (namely locking when the course dial 2 rotates to read data), the course locking mechanism comprises a positioning frame 49, the positioning frame 49 is fixedly arranged on the base 1 through a screw I50, the positioning frame 49 fixedly arranged on the base 1 is fixedly connected with a course locking block 54 through a right locking screw 51 and a limiting pin 52, the upper end of the course locking block 54 is contacted with the outer edge of the course dial 2 and is locked through adjusting the right locking screw 51, and the bottom of the course locking block 54 is fixedly connected with a course locking support plate 48 through a screw J53.
A positioning plate 11 is positioned and installed on a base 1 through a base positioning pin 12, a cursor turntable 68 is sleeved on the positioning plate 11 and fixed on the base 1 through a screw C35, one end of a course cursor fixing frame 58 is fixedly connected with the cursor turntable 68 through a screw K57, the other end of the course cursor fixing frame is fixedly connected with a course cursor 59 through a screw L60, an opening on one side of the cursor turntable 68 is used for an ejector rod screw 9 to extend into, and the ejector rod screw 9 is pressed on the positioning plate 11 through a compression spring 55 and a pressing ejector block 56 to limit the rotation of the cursor turntable 68. Preferably, the angular resolution of the heading cursor 59 is 2 'and the accuracy is 6'.
The base 1 is supported on the ground through anchor feet 6 with adjusting screws 7 and tightening nuts 8, the course level gauge 38 is fixedly arranged on the course dial 2 through screws D37, the course dial 2 is leveled through the adjusting screws 7, and after the course level gauge 38 is observed to be in a horizontal state, the course dial 2 is fastened and fixed through the tightening nuts 8.
The working process of the invention is as follows: before detection, the compass 66 is installed at the central position of the test workbench 5, the compass 66 is aligned to the north, then the 0-degree position of the heading dial 2 is aligned to the magnetic north, then the compass 66 is removed, the azimuth fluxgate probe to be detected is fixed at the central position of the test workbench 5, and meanwhile, the 0-degree alignment north of the azimuth fluxgate probe to be detected is adjusted. The orientation fluxgate probe to be tested is powered by a voltage-stabilized power supply, the course dial 2 can rotate 360 degrees around the center of the base 1, the precision resolution of the course vernier 59 is 2 'and the precision 6', the orientation fluxgate probe to be tested installed on the test workbench 6 synchronously rotates along with the course dial 2, two sets of high-precision multimeters are used for reading two sets of orthogonal measurement data when the orientation fluxgate probe to be tested rotates 90 degrees, 180 degrees and 270 degrees respectively, and meanwhile, a locking mechanism (namely a right locking screw 51) is arranged on the rotation scale when the orientation fluxgate probe to be tested rotates in place to read the data. The inclination measurement is realized through a gear transmission pair, the right handle 28 is manually rotated to rotate the test workbench 5, the test workbench 5 is adjusted to the inclination angle set by the orientation fluxgate probe to be tested, the inclination dial 16 is locked by the left locking screw 20, and the test step in the horizontal state is repeated, so that the test of the orientation fluxgate probe to be tested in the inclined state is completed.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (9)
1. The utility model provides a float anti-inclination orientation fluxgate probe detection device which characterized in that: the heading dial (2) is fixedly provided with the left support (3) and the right support (4), one end of a left rotating shaft (14) is rotatably connected to the left support (3), the other end of the left rotating shaft is sleeved with an inclined dial (16), one end of a right rotating shaft (23) is rotatably connected to the right support (4), the other end of the right rotating shaft is connected with the output end of a gear transmission pair, the gear transmission pair is fixedly arranged on the right support (4), the input end of the gear transmission pair is provided with a right handle (28), and the left rotating shaft (14) and the right rotating shaft (23) are fixedly connected with the test workbench (5); the left support (3) is provided with a left locking screw rod (20) with a pressure spring (21) and used for loosening or locking the left rotating shaft (14), and when the left rotating shaft (14) is loosened, the test workbench (5) rotates around the left rotating shaft (14) and the right rotating shaft (23) and is matched with the inclined dial (16) to realize the adjustment of the test angle of the test workbench (5); the compass (66) is detachably arranged at the central position of the test workbench (5) and is used for adjusting the detection device to align the magnetic north; the orientation fluxgate probe to be tested is fixed at the central position of the test workbench (5), and 0 degree of the orientation fluxgate probe to be tested is aligned to the magnetic north; a central rotating shaft (36) is fixedly arranged at the central position of the course dial (2), the central rotating shaft (36) and the fluxgate probe at the position to be detected are coaxially arranged, a central shaft sleeve (39) is sleeved outside the central rotating shaft (36), and the central shaft sleeve (39) is fixedly connected with the base (1); the upper support ring (43) is fixedly arranged on the lower end face of the course dial (2), the lower support ring (44) is fixedly arranged on the upper end face of the base (1), and the upper support ring (43) and the lower support ring (44) are in surface contact and rotate in a mutual friction manner, so that the course dial (2) freely rotates around the center of the base (1) by 360 degrees; one side of the base (1) is provided with a course locking mechanism which is used for contacting and locking the outer edge of the course dial (2); a positioning disc (11) is positioned and installed on the base (1) through a base positioning pin (12), a cursor turntable (68) is sleeved on the positioning disc (11), one end of a course cursor fixing frame (58) is fixedly connected with the cursor turntable (68), the other end of the course cursor fixing frame is fixedly connected with a course cursor (59), an ejector rod screw (9) extends into an opening in one side of the cursor turntable (68), and the ejector rod screw (9) is pressed on the positioning disc (11) through a compression spring (55) and a pressing ejector block (56) to limit the rotation of the cursor turntable (68);
the gear transmission pair comprises a driven gear (25) and a driving gear shaft (30) which are in meshed transmission, the driven gear (25) is sleeved on the right rotating shaft (23) and is limited to rotate and move axially by a positioning pin (26); a housing (27) fixedly arranged on the right bracket (4) is arranged outside the gear transmission pair to protect the gear transmission pair; one end of the driving gear shaft (30) is sleeved into a gear shaft sleeve (33) and is fixedly installed with the right support (4) through a limiting plate (31) and a countersunk head screw B (32), the other end of the driving gear shaft (30) extends out of the housing (27) and is connected with a right handle (28), and a limiting pin shaft (29) is arranged on the right handle (28) and used for limiting.
2. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: the base (1) is supported on the ground through a foundation (6) with an adjusting screw rod (7) and a fastening nut (8), and a course level gauge (38) is fixedly arranged on the course dial (2) and used for being matched with the adjusting screw rod (7) to level the course dial (2).
3. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: the course locking mechanism comprises a positioning frame (49), the positioning frame (49) fixedly arranged on the base (1) is fixedly connected with a course locking block (54) through a right locking screw rod (51) and a limiting pin (52), the upper end of the course locking block (54) is in contact with the outer edge of the course dial (2) and is locked by adjusting the right locking screw rod (51), and the bottom of the course locking block (54) is fixedly connected with a course locking support plate (48).
4. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: the left rotating shaft (14) is supported on the left support (3) through a left shaft sleeve (15), the right rotating shaft (23) is supported on the right support (4) through a right shaft sleeve (24), the inclined dial (16) is locked through a nut (17) and a washer (19) which are sleeved on the left rotating shaft (14), and a left handle (18) is installed on the nut (17) and used for quickly loosening or locking the inclined dial (16).
5. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: a positioning pad (47) is fixedly arranged at the bottom of the central rotating shaft (36), and an adjusting pad (75) is arranged between the central shaft sleeve (39) and the positioning pad (47).
6. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: and a test workbench level gauge (61) is fixedly arranged on the upper end surface of the test workbench (5) and used for leveling the test workbench (5).
7. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: an inclined vernier fixing frame (65) is fixedly arranged on the left support (3), and an inclined vernier (62) is fixedly arranged on the inclined vernier fixing frame (65) and is in close fit with the inclined dial (16); the resolution of the inclination angle of the inclined vernier (62) is 2 'and the accuracy is 6'.
8. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: the upper support ring (43) and the lower support ring (44) are both made of tin bronze materials.
9. The floating anti-tilt orientation fluxgate probe detection device of claim 1, wherein: the angular resolution of the heading cursor (59) is 2 'and the precision is 6'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015172.8A CN112378393B (en) | 2020-09-24 | 2020-09-24 | Floating type anti-inclination orientation fluxgate probe detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015172.8A CN112378393B (en) | 2020-09-24 | 2020-09-24 | Floating type anti-inclination orientation fluxgate probe detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112378393A CN112378393A (en) | 2021-02-19 |
| CN112378393B true CN112378393B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011015172.8A Active CN112378393B (en) | 2020-09-24 | 2020-09-24 | Floating type anti-inclination orientation fluxgate probe detection device |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2107057B (en) * | 1981-08-03 | 1985-01-03 | Brookes & Gatehouse | Suspension system |
| US5485405A (en) * | 1993-03-31 | 1996-01-16 | Wilson; S. Edward G. | Inertial rotation sensing apparatus and method |
| JPH08219791A (en) * | 1995-02-16 | 1996-08-30 | Tokin Corp | Buoyancy type magnetic bearing detecting element |
| US6282803B1 (en) * | 1998-04-24 | 2001-09-04 | Laser Technology, Inc. | Self calibration circuit for determining an accurate zero compensation for a fluxgate compass |
| KR100574506B1 (en) * | 2004-02-26 | 2006-04-27 | 삼성전자주식회사 | Geomagnetic sensor to inform users whether detected azimuth angle is accetable or not, and, method thereof |
| CN110160513A (en) * | 2019-05-09 | 2019-08-23 | 杭州瑞利科技有限公司 | A kind of anti-inclination fluxgate aspect sensor probe of floatation type |
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- 2020-09-24 CN CN202011015172.8A patent/CN112378393B/en active Active
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