CN111076746B - Triaxial manual non-magnetic rotary table - Google Patents
Triaxial manual non-magnetic rotary table Download PDFInfo
- Publication number
- CN111076746B CN111076746B CN201911238795.9A CN201911238795A CN111076746B CN 111076746 B CN111076746 B CN 111076746B CN 201911238795 A CN201911238795 A CN 201911238795A CN 111076746 B CN111076746 B CN 111076746B
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- subassembly
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- cursor
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- 230000007246 mechanism Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 229910000737 Duralumin Inorganic materials 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000007123 defense Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transmission Devices (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
The invention discloses a three-axis manual nonmagnetic rotary table, which comprises a mechanical chassis, wherein an azimuth component is arranged on the mechanical chassis, a locking device is arranged on one side of the azimuth component, a workbench surface is arranged on the azimuth component, an outer frame component is arranged on the workbench surface, a cursor I is arranged on the front end surface of the workbench surface, a blister I and a blister II are also respectively arranged on the workbench surface, an anti-falling screw is arranged on the outer frame component, the outer frame component is sequentially connected with an inner frame component and a load mounting frame, a cursor III and a dial III are arranged on the upper side of the load mounting frame, a worm gear II is arranged on the lower side of the load mounting frame, a cursor II is arranged on one side of the outer frame component, a worm gear I is arranged on the other side of the outer frame component, and a plurality of adjusting screws are arranged on the bottom end surface of the mechanical chassis. The invention has the beneficial effects that: the components of the turntable are made of non-magnetic materials or non-magnetic materials, so that the magnetic total quantity of the turntable is less than or equal to 7nT, and the research and development of an inertial navigation system are satisfied.
Description
Technical Field
The invention relates to the technical field of inertial navigation test equipment, in particular to a triaxial manual nonmagnetic turntable.
Background
The test turntable in the prior art can reach very high precision, but the requirement of no magnetism often cannot be met, so that the geomagnetic inertial resistance navigation system cannot be effectively tested and calibrated, and the successful development of the no-magnetism turntable can effectively promote the research and development of the inertial navigation system.
Along with the continuous development of national defense industry, more and more inertial navigation systems adopt magneto-resistance sensors, and the sensitivity of the magneto-resistance sensors is generally 80nT, so that the magnetic total quantity index of ground calibration and test equipment is required to be not more than 40nT.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides the three-axis manual non-magnetic turntable, which can ensure the high precision of the turntable and ensure that the total magnetic quantity of the turntable is less than or equal to 7nT so as to meet the use requirement of inertial navigation test equipment.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows: the utility model provides a manual non-magnetic revolving stage of triaxial, includes mechanical chassis, its characterized in that, be equipped with azimuth subassembly on the mechanical chassis, one side of azimuth subassembly is equipped with locking device, be equipped with table surface on the azimuth subassembly, be equipped with the frame subassembly on the table surface, table surface's preceding terminal surface is equipped with vernier one, still be equipped with blister one and blister two on the table surface respectively, be equipped with anti-drop screw on the frame subassembly, frame subassembly has connected gradually inside casing subassembly and load installation frame, load installation frame upside is equipped with the vernier three, load installation frame downside is equipped with worm gear two, one side of frame subassembly is equipped with the vernier two, the opposite side of frame subassembly is equipped with worm gear one, be equipped with a plurality of adjusting screw on the bottom surface of mechanical chassis.
Further, the azimuth component comprises an azimuth shaft and a supporting component, wherein the azimuth shaft vertically penetrates through the azimuth component in the middle, and the supporting component is symmetrically arranged on two sides of the azimuth shaft.
Further, the left side of load installation frame is equipped with the left side axle, the right side of load installation frame is equipped with the right axle, the upside of load installation frame is equipped with the upper shaft, the downside of load installation frame is equipped with the lower shaft, the bilateral symmetry of left side axle is equipped with left supporting component, the bilateral symmetry of right side axle is equipped with right supporting component, the bilateral symmetry of upper shaft is equipped with supporting component, the bilateral symmetry of lower shaft is equipped with lower supporting component.
Further, a first transmission mechanism is arranged in the first worm gear, a first spring mechanism is arranged right below the first transmission mechanism, a second transmission mechanism is arranged in the second worm gear, and a second spring mechanism is arranged on one side of the second transmission mechanism.
Further, a first dial is arranged on the first cursor, a second dial is arranged on the second cursor, and a third dial is arranged on the third cursor.
Further, the outer frame assembly is provided with an outer frame.
Further, the inner frame component is made of hard aluminum and cast aluminum.
Further, the outer frame assembly is made of hard aluminum and cast aluminum.
Further, the adjusting screw and the anti-falling screw are made of copper.
Furthermore, the first worm gear and the second worm gear are made of super-hard aluminum and ceramic materials.
The application has the beneficial effects that: the angle indication of the azimuth shafting, the outer frame shafting and the inner frame shafting of the non-magnetic turntable adopts a mode of combining a dial with a vernier, the scale circle is divided into 360 parts, each 1-degree scale line is divided into 120 parts, the vernier is made into a range of 119 degrees, the minimum resolution of the angle indication is 0.5', the precision can reach 3', the anti-magnetization requirement is combined, the bearing adopts super-hard aluminum, the frame component adopts hard aluminum and cast aluminum, and the fastening piece is made of copper.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a three-axis manual nonmagnetic turntable according to an embodiment of the invention.
Fig. 2 is a schematic cross-sectional structure of a three-axis manual nonmagnetic turntable according to an embodiment of the invention.
In the figure: 1. A mechanical chassis; 2. an azimuth component; 3. an outer frame assembly; 4. an inner frame assembly; 5. a load mounting frame; 6. adjusting a screw; 7. a locking device; 8. a worm gear I; 9. a worm gear II; 10. a cursor I; 11. a second cursor; 12. a third cursor; 13. an anti-falling screw; 14. a work table; 15. a first bubble; 16. a second bubble;
2a, azimuth axis; 2b, a support assembly; 3a, an outer frame; 3b, a left support assembly; 3c, left axis; 3d, upper shaft; 3e, an upper supporting component; 3f, right axis; 3g, right support component; 3h, lower shaft; 3i, a lower support assembly; 8a, a first transmission mechanism; 8b, a first spring mechanism; 9a, a transmission mechanism II; 9b, a spring mechanism II; 10a, a first dial; 11a, a dial II; 12a, a dial three.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
As shown in fig. 1-2, the three-axis manual non-magnetic turntable according to the embodiment of the invention comprises a mechanical chassis 1, wherein an azimuth component 2 is arranged on the mechanical chassis 1, a locking device 7 is arranged on one side of the azimuth component 2, a workbench surface 14 is arranged on the azimuth component 2, an outer frame component 3 is arranged on the workbench surface 14, a cursor 10 is arranged on the front end surface of the workbench surface 14, a blister 15 and a blister 16 are also respectively arranged on the workbench surface 14, a drop-off preventing screw 13 is arranged on the outer frame component 3, an inner frame component 4 and a load mounting frame 5 are sequentially connected with the outer frame component 3, a cursor three 12 is arranged on the upper side of the load mounting frame 5, a worm gear two 9 is arranged on the lower side of the load mounting frame 5, a cursor two 11 is arranged on one side of the outer frame component 3, a worm gear one 8 is arranged on the other side of the outer frame component 3, and a plurality of adjusting screws 6 are arranged on the bottom end surface of the mechanical chassis 1.
In a specific embodiment of the present invention, the azimuth assembly 2 includes an azimuth axis 2a and a support assembly 2b, the azimuth axis 2a is vertically centrally disposed through the azimuth assembly 2, and the support assemblies 2b are symmetrically disposed on both sides of the azimuth axis 2 a.
In a specific embodiment of the present invention, a left shaft 3c is disposed on the left side of the load mounting frame 5, a right shaft 3f is disposed on the right side of the load mounting frame 5, an upper shaft 3d is disposed on the upper side of the load mounting frame 5, a lower shaft 3h is disposed on the lower side of the load mounting frame 5, left support assemblies 3b are symmetrically disposed on two sides of the left shaft 3c, right support assemblies 3g are symmetrically disposed on two sides of the right shaft 3f, an upper support assembly 3e is symmetrically disposed on two sides of the upper shaft 3d, and a lower support assembly 3i is symmetrically disposed on two sides of the lower shaft 3 h.
In one embodiment of the present invention, a first transmission mechanism 8a is disposed in the first worm gear 8, a first spring mechanism 8b is disposed under the first transmission mechanism 8a, a second transmission mechanism 9a is disposed in the second worm gear 9, and a second spring mechanism 9b is disposed on one side of the second transmission mechanism 9 a.
In one embodiment of the present invention, the first cursor 10 is provided with a first dial 10a, the second cursor 11 is provided with a second dial 11a, and the third cursor 12 is provided with a third dial 12a.
In one embodiment of the present invention, the outer frame assembly 3 is provided with an outer frame 3a, and the second blister 16 is disposed on the outer frame 3a in a penetrating manner.
In one embodiment of the present invention, the second bubble is provided on the table 14 at the center, and the first bubble is provided on one side of the table 14.
In one embodiment of the present invention, the inner frame assembly 4 is made of duralumin (2 a 12) and cast aluminum (ZL 104).
In one embodiment of the present invention, the outer frame assembly 3 is made of duralumin (2 a 12) and cast aluminum (ZL 104).
In one embodiment of the present invention, the adjusting screw 6 and the anti-falling screw 13 are made of copper.
In one embodiment of the present invention, the first worm gear 8 and the second worm gear 9 are made of superhard aluminum (7 a 04) and ceramic materials.
In a specific embodiment of the invention, in the transmission mechanism of the outer frame assembly 3 and the inner frame assembly 4, a gap is reserved between the worm and the mounting seat, and the screw is pressed downwards, so that the worm wheel and the worm are separated, and the transposition of the worm wheel and the shafting can be quickly realized.
In one embodiment of the present invention, the angular display of the azimuth assembly 2, the outer frame assembly 3 and the inner frame assembly 4 is embodied in the form of a combination of cursors and dials.
In a specific embodiment of the invention, the parts of the turntable are made of non-magnetic materials or non-magnetic materials, so that the total magnetic quantity of the turntable is less than or equal to 7nT.
In one embodiment of the present invention, the first cursor 10, the second cursor 11 and the third cursor 12 are all combined by a cursor and a dial; the rotary table azimuth shafting, the outer frame shafting and the inner frame shafting are all in a mode of combining a dial with a vernier, the dial is divided into 360 equal parts, each 1-degree dividing line is formed by 120 equal parts of the vernier within the range of 119 degrees, the minimum resolution of the angle indication is 0.5', and the precision can reach 3'.
In one embodiment of the present invention, three adjusting pins 6 are uniformly distributed on the machine base 1 at 120 °.
In one embodiment of the invention, all mounting screws are copper.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes the above technical solutions of the present invention in detail by a specific usage manner.
In specific use, according to the three-axis manual nonmagnetic turntable disclosed by the invention, as shown in fig. 1, the mechanical base 1 is connected with the azimuth component 2, the azimuth component 2 is connected with the workbench surface 14, the workbench surface 14 is connected with the outer frame component 3, the outer frame component 3 is coaxially connected with the inner frame component 4 and the load mounting frame 5, three adjusting pins are uniformly distributed on the lower end surface 120 DEG of the mechanical base 1 for the adjusting screws 6, the first 15 and the second 16 water bubbles on the workbench surface 14 are used for adjusting the horizontal position of the azimuth component 2, the azimuth component 2 is fixed by the stirring operation of the locking device 7, the inner frame component 3 and the outer frame component 4 are locked at the position required by processing through the transmission pair self-locking characteristics of the first 8 and the second 9 worm gear, and the angle display of the azimuth component 2, the outer frame component 3 and the inner frame component 4 is embodied in a vernier and dial combination mode.
As shown in fig. 2, the azimuth shaft 2a is connected with the supporting component 2b through bearings, proper pretightening force is generated between the bearings by adjusting the thickness of the inner spacer ring and the outer spacer ring, axial force and radial force can be borne simultaneously, the front end face of the working table 14 is provided with a vernier 10 to form an angle index of the azimuth shaft 2a, the left shaft 3c and the right shaft 3f are fixed with one end of the left supporting component 3b and one end of the right supporting component 3g through ball bearings, the other end of the left supporting component 3b and the right supporting component 3g are adjusted to slide, shafting can continuously rotate, a transmission mechanism 8a can eliminate transmission gaps through a spring mechanism 8b, and a worm gear is used for transmitting the angle required by the self-locking load. The upper shaft 3d and the lower shaft 3h are fixed with one end of the upper supporting component 3e and one end of the lower supporting component 3i by adopting ball bearings, the other end of the upper supporting component and the other end of the lower supporting component are adjusted to slide, the shafting can continuously rotate, the transmission mechanism 9a can eliminate transmission gaps through the spring mechanism II 9b, gaps are reserved between worms and mounting seats in the transmission mechanisms of the outer frame component 3 and the inner frame component 4, the worms press the rods downwards, so that the worm wheels and the worms are separated, and quick transposition of the worm wheels and the shafting can be realized.
In summary, according to the three-axis manual nonmagnetic turntable disclosed by the application, the mechanical turntable body adopts a frame structure, the whole turntable can be divided into an upper part and a lower part, the upper part is a double-axis bracket, the lower part is a single-axis turntable, the double-axis bracket is arranged on the table top of the single-axis turntable, the bayonet is positioned, and four anti-falling bolts are adopted for fixing, so that the turntable is convenient to disassemble and assemble, the turntable can be used as the three-axis manual nonmagnetic turntable, and can be easily converted into the single-axis manual nonmagnetic turntable for use, and then the dial can be divided into 360 equal parts by adopting a mode that angles of an azimuth axis, an outer axis and an inner axis of the turntable are combined with a vernier, each 1-degree dividing line is formed into 120 equal parts within a 119-degree range, so that the minimum resolution of the angle indication is 0.5', the precision can reach 3', the turntable part adopts nonmagnetic materials or nonmagnetic materials, the total magnetic quantity of the turntable is ensured to be less than or equal to 7nT, and the research and development of an inertial navigation system is satisfied.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (1)
1. The utility model provides a triaxial manual non-magnetic turntable, includes mechanical chassis (1), its characterized in that, be equipped with position subassembly (2) on mechanical chassis (1), one side of position subassembly (2) is equipped with locking device (7), be equipped with table surface (14) on position subassembly (2), be equipped with frame subassembly (3) on table surface (14), the preceding terminal surface of table surface (14) is equipped with cursor one (10), still be equipped with blister one (15) and blister two (16) on table surface (14) respectively, be equipped with anti-drop screw (13) on frame subassembly (3), frame subassembly (3) have connected gradually inside casing subassembly (4) and load installation frame (5), load installation frame (5) upside is equipped with cursor three (12), load installation frame (5) downside is equipped with worm gear two (9), one side of frame subassembly (3) is equipped with cursor two (11), the opposite side of frame subassembly (3) is equipped with worm one (8), be equipped with on the bottom end face of worm wheel of mechanical chassis (1) respectively and adjust position subassembly (6), position subassembly (2) and direction (2) are in perpendicular to be established in the axle (2 a) and run through in the position subassembly (2 a) is perpendicular, the support component (2 b) is symmetrically arranged on two sides of the azimuth shaft (2 a), the left side of the load installation frame (5) is provided with a left shaft (3 c), the right side of the load installation frame (5) is provided with a right shaft (3 f), the upper side of the load installation frame (5) is provided with an upper shaft (3 d), the lower side of the load installation frame (5) is provided with a lower shaft (3 h), the two sides of the left shaft (3 c) are symmetrically provided with a left support component (3 b), the two sides of the right shaft (3 f) are symmetrically provided with a right support component (3 g), the two sides of the upper shaft (3 d) are symmetrically provided with an upper support component (3 e), the two sides of the lower shaft (3 h) are symmetrically provided with a lower support component (3 i), a first worm wheel and worm (8 a) is arranged in the first worm wheel, a first spring mechanism (8 b) is arranged under the first transmission mechanism (8 a), a second worm wheel (9 a) is arranged in the second worm wheel (9), the two transmission mechanism (9 a) is symmetrically provided with a second spring mechanism (9 b), the first worm wheel (9 a) is provided with a second vernier scale (11 a), the second vernier (12 a) is arranged on the first vernier (12 a) is arranged, the second vernier (11 a) is arranged on the second vernier (12 a), the inner frame assembly (4) is made of hard aluminum and cast aluminum, the outer frame assembly (3) is made of hard aluminum and cast aluminum, and the adjusting screw (6) and the anti-falling screw (13) are made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238795.9A CN111076746B (en) | 2019-12-06 | 2019-12-06 | Triaxial manual non-magnetic rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238795.9A CN111076746B (en) | 2019-12-06 | 2019-12-06 | Triaxial manual non-magnetic rotary table |
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| Publication Number | Publication Date |
|---|---|
| CN111076746A CN111076746A (en) | 2020-04-28 |
| CN111076746B true CN111076746B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238795.9A Active CN111076746B (en) | 2019-12-06 | 2019-12-06 | Triaxial manual non-magnetic rotary table |
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| CN (1) | CN111076746B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618611B (en) * | 2020-06-03 | 2024-10-01 | 北京汉飞航空科技有限公司 | Automatic alignment processing turntable of machine tool and processing method |
| CN111964692B (en) * | 2020-07-17 | 2022-07-29 | 北京航天控制仪器研究所 | High-resolution triaxial test simulation equipment based on tandem type combination transmission |
| CN112392858B (en) * | 2020-11-02 | 2022-04-01 | 天津津航技术物理研究所 | Assembling and adjusting method for inhibiting inclination angle rotation error of two-end support shafting structure |
| CN114413930A (en) * | 2021-12-24 | 2022-04-29 | 九江冠成仿真技术有限公司 | Novel electric driving module without magnetic turntable |
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| JP2010281598A (en) * | 2009-06-02 | 2010-12-16 | Fujitsu Ltd | Sensor calibration device |
| CN204329980U (en) * | 2014-11-21 | 2015-05-13 | 浙江讯领科技有限公司 | A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable |
| CN106351643A (en) * | 2016-10-18 | 2017-01-25 | 郑州士奇测控技术有限公司 | Digital display triaxial inclinometer checking table |
| DE102015113486A1 (en) * | 2015-08-14 | 2017-02-16 | Northrop Grumman Litef Gmbh | Navigation device with turntable for a turnover measurement and method for operating the navigation device |
| CN107340001A (en) * | 2017-05-23 | 2017-11-10 | 中国人民解放军军械工程学院 | Magnetic survey error compensation experimental rig |
| CN109373141A (en) * | 2018-10-11 | 2019-02-22 | 九江精密测试技术研究所 | It is a kind of based on screw lifter realize three axis without magnetic turntable |
| CN211121260U (en) * | 2019-12-06 | 2020-07-28 | 九江冠成仿真技术有限公司 | Manual no magnetism revolving stage of triaxial |
-
2019
- 2019-12-06 CN CN201911238795.9A patent/CN111076746B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010281598A (en) * | 2009-06-02 | 2010-12-16 | Fujitsu Ltd | Sensor calibration device |
| CN204329980U (en) * | 2014-11-21 | 2015-05-13 | 浙江讯领科技有限公司 | A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable |
| DE102015113486A1 (en) * | 2015-08-14 | 2017-02-16 | Northrop Grumman Litef Gmbh | Navigation device with turntable for a turnover measurement and method for operating the navigation device |
| CN106351643A (en) * | 2016-10-18 | 2017-01-25 | 郑州士奇测控技术有限公司 | Digital display triaxial inclinometer checking table |
| CN107340001A (en) * | 2017-05-23 | 2017-11-10 | 中国人民解放军军械工程学院 | Magnetic survey error compensation experimental rig |
| CN109373141A (en) * | 2018-10-11 | 2019-02-22 | 九江精密测试技术研究所 | It is a kind of based on screw lifter realize three axis without magnetic turntable |
| CN211121260U (en) * | 2019-12-06 | 2020-07-28 | 九江冠成仿真技术有限公司 | Manual no magnetism revolving stage of triaxial |
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| CN111076746A (en) | 2020-04-28 |
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